diff --git a/Documentation/Changes b/Documentation/Changes
index 6d88630..f447f05 100644
--- a/Documentation/Changes
+++ b/Documentation/Changes
@@ -43,7 +43,7 @@
 o  grub                   0.93                    # grub --version || grub-install --version
 o  mcelog                 0.6                     # mcelog --version
 o  iptables               1.4.2                   # iptables -V
-o  openssl & libcrypto    1.0.1k                  # openssl version
+o  openssl & libcrypto    1.0.0                   # openssl version
 
 
 Kernel compilation
diff --git a/Documentation/device-mapper/snapshot.txt b/Documentation/device-mapper/snapshot.txt
index 0d5bc46..ad6949b 100644
--- a/Documentation/device-mapper/snapshot.txt
+++ b/Documentation/device-mapper/snapshot.txt
@@ -41,9 +41,13 @@
 the amount of free space and expand the <COW device> before it fills up.
 
 <persistent?> is P (Persistent) or N (Not persistent - will not survive
-after reboot).
-The difference is that for transient snapshots less metadata must be
-saved on disk - they can be kept in memory by the kernel.
+after reboot).  O (Overflow) can be added as a persistent store option
+to allow userspace to advertise its support for seeing "Overflow" in the
+snapshot status.  So supported store types are "P", "PO" and "N".
+
+The difference between persistent and transient is with transient
+snapshots less metadata must be saved on disk - they can be kept in
+memory by the kernel.
 
 
 * snapshot-merge <origin> <COW device> <persistent> <chunksize>
diff --git a/Documentation/devicetree/bindings/arm/gic-v3.txt b/Documentation/devicetree/bindings/arm/gic-v3.txt
index ddfade4..7803e77 100644
--- a/Documentation/devicetree/bindings/arm/gic-v3.txt
+++ b/Documentation/devicetree/bindings/arm/gic-v3.txt
@@ -57,6 +57,8 @@
 These nodes must have the following properties:
 - compatible : Should at least contain  "arm,gic-v3-its".
 - msi-controller : Boolean property. Identifies the node as an MSI controller
+- #msi-cells: Must be <1>. The single msi-cell is the DeviceID of the device
+  which will generate the MSI.
 - reg: Specifies the base physical address and size of the ITS
   registers.
 
@@ -83,6 +85,7 @@
 		gic-its@2c200000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0x2c200000 0 0x200000>;
 		};
 	};
@@ -107,12 +110,14 @@
 		gic-its@2c200000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0x2c200000 0 0x200000>;
 		};
 
 		gic-its@2c400000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0x2c400000 0 0x200000>;
 		};
 	};
diff --git a/Documentation/devicetree/bindings/arm/idle-states.txt b/Documentation/devicetree/bindings/arm/idle-states.txt
index a8274ea..b8e41c1 100644
--- a/Documentation/devicetree/bindings/arm/idle-states.txt
+++ b/Documentation/devicetree/bindings/arm/idle-states.txt
@@ -497,7 +497,7 @@
 	};
 
 	idle-states {
-		entry-method = "arm,psci";
+		entry-method = "psci";
 
 		CPU_RETENTION_0_0: cpu-retention-0-0 {
 			compatible = "arm,idle-state";
diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt
index 5788d5c..82d40e2 100644
--- a/Documentation/devicetree/bindings/gpio/gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio.txt
@@ -16,7 +16,9 @@
 GPIO properties should be named "[<name>-]gpios", with <name> being the purpose
 of this GPIO for the device. While a non-existent <name> is considered valid
 for compatibility reasons (resolving to the "gpios" property), it is not allowed
-for new bindings.
+for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old
+bindings use it, but are only supported for compatibility reasons and should not
+be used for newer bindings since it has been deprecated.
 
 GPIO properties can contain one or more GPIO phandles, but only in exceptional
 cases should they contain more than one. If your device uses several GPIOs with
diff --git a/Documentation/devicetree/bindings/iio/accel/bma180.txt b/Documentation/devicetree/bindings/iio/accel/bma180.txt
index c593357..4a3679d 100644
--- a/Documentation/devicetree/bindings/iio/accel/bma180.txt
+++ b/Documentation/devicetree/bindings/iio/accel/bma180.txt
@@ -1,10 +1,11 @@
-* Bosch BMA180 triaxial acceleration sensor
+* Bosch BMA180 / BMA250 triaxial acceleration sensor
 
 http://omapworld.com/BMA180_111_1002839.pdf
+http://ae-bst.resource.bosch.com/media/products/dokumente/bma250/bst-bma250-ds002-05.pdf
 
 Required properties:
 
-  - compatible : should be "bosch,bma180"
+  - compatible : should be "bosch,bma180" or "bosch,bma250"
   - reg : the I2C address of the sensor
 
 Optional properties:
@@ -13,6 +14,9 @@
 
   - interrupts : interrupt mapping for GPIO IRQ, it should by configured with
 		flags IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING
+		For the bma250 the first interrupt listed must be the one
+		connected to the INT1 pin, the second (optional) interrupt
+		listed must be the one connected to the INT2 pin.
 
 Example:
 
diff --git a/Documentation/devicetree/bindings/input/cypress,cyapa.txt b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
index 635a3b0..8d91ba9 100644
--- a/Documentation/devicetree/bindings/input/cypress,cyapa.txt
+++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
@@ -25,7 +25,7 @@
 		/* Cypress Gen3 touchpad */
 		touchpad@67 {
 			compatible = "cypress,cyapa";
-			reg = <0x24>;
+			reg = <0x67>;
 			interrupt-parent = <&gpio>;
 			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
 			wakeup-source;
diff --git a/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
index 391717a..ec96b1f 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
@@ -4,8 +4,8 @@
 interrupt.
 
 Required Properties:
-- compatible: has to be "qca,<soctype>-cpu-intc", "qca,ar7100-misc-intc"
-  as fallback
+- compatible: has to be "qca,<soctype>-cpu-intc", "qca,ar7100-misc-intc" or
+  "qca,<soctype>-cpu-intc", "qca,ar7240-misc-intc"
 - reg: Base address and size of the controllers memory area
 - interrupt-parent: phandle of the parent interrupt controller.
 - interrupts: Interrupt specifier for the controllers interrupt.
@@ -13,6 +13,9 @@
 - #interrupt-cells : Specifies the number of cells needed to encode interrupt
 		     source, should be 1
 
+Compatible fallback depends on the SoC. Use ar7100 for ar71xx and ar913x,
+use ar7240 for all other SoCs.
+
 Please refer to interrupts.txt in this directory for details of the common
 Interrupt Controllers bindings used by client devices.
 
@@ -28,3 +31,16 @@
 		interrupt-controller;
 		#interrupt-cells = <1>;
 	};
+
+Another example:
+
+	interrupt-controller@18060010 {
+		compatible = "qca,ar9331-misc-intc", qca,ar7240-misc-intc";
+		reg = <0x18060010 0x4>;
+
+		interrupt-parent = <&cpuintc>;
+		interrupts = <6>;
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
diff --git a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
index d8ef5bf..7fab84b 100644
--- a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
+++ b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
@@ -7,7 +7,8 @@
 
 Required properties:
 - compatible: "renesas,pci-r8a7790" for the R8A7790 SoC;
-	      "renesas,pci-r8a7791" for the R8A7791 SoC.
+	      "renesas,pci-r8a7791" for the R8A7791 SoC;
+	      "renesas,pci-r8a7794" for the R8A7794 SoC.
 - reg:	A list of physical regions to access the device: the first is
 	the operational registers for the OHCI/EHCI controllers and the
 	second is for the bridge configuration and control registers.
diff --git a/Documentation/devicetree/bindings/regulator/pbias-regulator.txt b/Documentation/devicetree/bindings/regulator/pbias-regulator.txt
index 32aa26f..acbcb45 100644
--- a/Documentation/devicetree/bindings/regulator/pbias-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/pbias-regulator.txt
@@ -2,7 +2,12 @@
 
 Required properties:
 - compatible:
-  - "ti,pbias-omap" for OMAP2, OMAP3, OMAP4, OMAP5, DRA7.
+  - should be "ti,pbias-dra7" for DRA7
+  - should be "ti,pbias-omap2" for OMAP2
+  - should be "ti,pbias-omap3" for OMAP3
+  - should be "ti,pbias-omap4" for OMAP4
+  - should be "ti,pbias-omap5" for OMAP5
+  - "ti,pbias-omap" is deprecated
 - reg: pbias register offset from syscon base and size of pbias register.
 - syscon : phandle of the system control module
 - regulator-name : should be
diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt
index 8f77144..705075d 100644
--- a/Documentation/devicetree/bindings/spi/sh-msiof.txt
+++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt
@@ -51,7 +51,7 @@
 - renesas,tx-fifo-size : Overrides the default tx fifo size given in words
 			 (default is 64)
 - renesas,rx-fifo-size : Overrides the default rx fifo size given in words
-			 (default is 64, or 256 on R-Car Gen2)
+			 (default is 64)
 
 Pinctrl properties might be needed, too.  See
 Documentation/devicetree/bindings/pinctrl/renesas,*.
diff --git a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt
index dcefc43..6160ffb 100644
--- a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt
+++ b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt
@@ -15,17 +15,18 @@
 - interrupts: Should contain spi interrupt
 
 - clocks: phandles to input clocks.
-  The first should be <&topckgen CLK_TOP_SPI_SEL>.
-  The second should be one of the following.
+  The first should be one of the following. It's PLL.
    -  <&clk26m>: specify parent clock 26MHZ.
    -  <&topckgen CLK_TOP_SYSPLL3_D2>: specify parent clock 109MHZ.
 				      It's the default one.
    -  <&topckgen CLK_TOP_SYSPLL4_D2>: specify parent clock 78MHZ.
    -  <&topckgen CLK_TOP_UNIVPLL2_D4>: specify parent clock 104MHZ.
    -  <&topckgen CLK_TOP_UNIVPLL1_D8>: specify parent clock 78MHZ.
+  The second should be <&topckgen CLK_TOP_SPI_SEL>. It's clock mux.
+  The third is <&pericfg CLK_PERI_SPI0>. It's clock gate.
 
-- clock-names: shall be "spi-clk" for the controller clock, and
-  "parent-clk" for the parent clock.
+- clock-names: shall be "parent-clk" for the parent clock, "sel-clk" for the
+  muxes clock, and "spi-clk" for the clock gate.
 
 Optional properties:
 - mediatek,pad-select: specify which pins group(ck/mi/mo/cs) spi
@@ -44,8 +45,11 @@
 	#size-cells = <0>;
 	reg = <0 0x1100a000 0 0x1000>;
 	interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
-	clocks = <&topckgen CLK_TOP_SPI_SEL>, <&topckgen CLK_TOP_SYSPLL3_D2>;
-	clock-names = "spi-clk", "parent-clk";
+	clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
+		 <&topckgen CLK_TOP_SPI_SEL>,
+		 <&pericfg CLK_PERI_SPI0>;
+	clock-names = "parent-clk", "sel-clk", "spi-clk";
+
 	mediatek,pad-select = <0>;
 	status = "disabled";
 };
diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
index 8a49362..41b817f 100644
--- a/Documentation/devicetree/bindings/thermal/thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/thermal.txt
@@ -55,19 +55,11 @@
 the different fan speeds possible. Cooling states are referred to by
 single unsigned integers, where larger numbers mean greater heat
 dissipation. The precise set of cooling states associated with a device
-(as referred to be the cooling-min-state and cooling-max-state
+(as referred to by the cooling-min-level and cooling-max-level
 properties) should be defined in a particular device's binding.
 For more examples of cooling devices, refer to the example sections below.
 
 Required properties:
-- cooling-min-state:	An integer indicating the smallest
-  Type: unsigned	cooling state accepted. Typically 0.
-  Size: one cell
-
-- cooling-max-state:	An integer indicating the largest
-  Type: unsigned	cooling state accepted.
-  Size: one cell
-
 - #cooling-cells:	Used to provide cooling device specific information
   Type: unsigned	while referring to it. Must be at least 2, in order
   Size: one cell      	to specify minimum and maximum cooling state used
@@ -77,6 +69,15 @@
 			See Cooling device maps section below for more details
 			on how consumers refer to cooling devices.
 
+Optional properties:
+- cooling-min-level:	An integer indicating the smallest
+  Type: unsigned	cooling state accepted. Typically 0.
+  Size: one cell
+
+- cooling-max-level:	An integer indicating the largest
+  Type: unsigned	cooling state accepted.
+  Size: one cell
+
 * Trip points
 
 The trip node is a node to describe a point in the temperature domain
@@ -225,8 +226,8 @@
 			396000  950000
 			198000  850000
 		>;
-		cooling-min-state = <0>;
-		cooling-max-state = <3>;
+		cooling-min-level = <0>;
+		cooling-max-level = <3>;
 		#cooling-cells = <2>; /* min followed by max */
 	};
 	...
@@ -240,8 +241,8 @@
 	 */
 	fan0: fan@0x48 {
 		...
-		cooling-min-state = <0>;
-		cooling-max-state = <9>;
+		cooling-min-level = <0>;
+		cooling-max-level = <9>;
 		#cooling-cells = <2>; /* min followed by max */
 	};
 };
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
index d71ef07..a057b75 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
@@ -6,6 +6,7 @@
 	"lsi,zevio-usb"
 	"qcom,ci-hdrc"
 	"chipidea,usb2"
+	"xlnx,zynq-usb-2.20a"
 - reg: base address and length of the registers
 - interrupts: interrupt for the USB controller
 
diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
index 64a4ca6..7d48f63 100644
--- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
+++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
@@ -5,6 +5,7 @@
 	- "renesas,usbhs-r8a7790"
 	- "renesas,usbhs-r8a7791"
 	- "renesas,usbhs-r8a7794"
+	- "renesas,usbhs-r8a7795"
   - reg: Base address and length of the register for the USBHS
   - interrupts: Interrupt specifier for the USBHS
   - clocks: A list of phandle + clock specifier pairs
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index ac5f0c3..82d2ac9 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -203,6 +203,7 @@
 skyworks	Skyworks Solutions, Inc.
 smsc	Standard Microsystems Corporation
 snps	Synopsys, Inc.
+socionext	Socionext Inc.
 solidrun	SolidRun
 solomon        Solomon Systech Limited
 sony	Sony Corporation
diff --git a/Documentation/gpio/board.txt b/Documentation/gpio/board.txt
index b80606d..f59c43b 100644
--- a/Documentation/gpio/board.txt
+++ b/Documentation/gpio/board.txt
@@ -21,8 +21,8 @@
 device tree bindings for your controller.
 
 GPIOs mappings are defined in the consumer device's node, in a property named
-<function>-gpios, where <function> is the function the driver will request
-through gpiod_get(). For example:
+either <function>-gpios or <function>-gpio, where <function> is the function
+the driver will request through gpiod_get(). For example:
 
 	foo_device {
 		compatible = "acme,foo";
@@ -31,7 +31,7 @@
 			    <&gpio 16 GPIO_ACTIVE_HIGH>, /* green */
 			    <&gpio 17 GPIO_ACTIVE_HIGH>; /* blue */
 
-		power-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+		power-gpio = <&gpio 1 GPIO_ACTIVE_LOW>;
 	};
 
 This property will make GPIOs 15, 16 and 17 available to the driver under the
@@ -39,15 +39,24 @@
 
 	struct gpio_desc *red, *green, *blue, *power;
 
-	red = gpiod_get_index(dev, "led", 0);
-	green = gpiod_get_index(dev, "led", 1);
-	blue = gpiod_get_index(dev, "led", 2);
+	red = gpiod_get_index(dev, "led", 0, GPIOD_OUT_HIGH);
+	green = gpiod_get_index(dev, "led", 1, GPIOD_OUT_HIGH);
+	blue = gpiod_get_index(dev, "led", 2, GPIOD_OUT_HIGH);
 
-	power = gpiod_get(dev, "power");
+	power = gpiod_get(dev, "power", GPIOD_OUT_HIGH);
 
 The led GPIOs will be active-high, while the power GPIO will be active-low (i.e.
 gpiod_is_active_low(power) will be true).
 
+The second parameter of the gpiod_get() functions, the con_id string, has to be
+the <function>-prefix of the GPIO suffixes ("gpios" or "gpio", automatically
+looked up by the gpiod functions internally) used in the device tree. With above
+"led-gpios" example, use the prefix without the "-" as con_id parameter: "led".
+
+Internally, the GPIO subsystem prefixes the GPIO suffix ("gpios" or "gpio")
+with the string passed in con_id to get the resulting string
+(snprintf(... "%s-%s", con_id, gpio_suffixes[]).
+
 ACPI
 ----
 ACPI also supports function names for GPIOs in a similar fashion to DT.
@@ -142,13 +151,14 @@
 
 	struct gpio_desc *red, *green, *blue, *power;
 
-	red = gpiod_get_index(dev, "led", 0);
-	green = gpiod_get_index(dev, "led", 1);
-	blue = gpiod_get_index(dev, "led", 2);
+	red = gpiod_get_index(dev, "led", 0, GPIOD_OUT_HIGH);
+	green = gpiod_get_index(dev, "led", 1, GPIOD_OUT_HIGH);
+	blue = gpiod_get_index(dev, "led", 2, GPIOD_OUT_HIGH);
 
-	power = gpiod_get(dev, "power");
-	gpiod_direction_output(power, 1);
+	power = gpiod_get(dev, "power", GPIOD_OUT_HIGH);
 
-Since the "power" GPIO is mapped as active-low, its actual signal will be 0
-after this code. Contrary to the legacy integer GPIO interface, the active-low
-property is handled during mapping and is thus transparent to GPIO consumers.
+Since the "led" GPIOs are mapped as active-high, this example will switch their
+signals to 1, i.e. enabling the LEDs. And for the "power" GPIO, which is mapped
+as active-low, its actual signal will be 0 after this code. Contrary to the legacy
+integer GPIO interface, the active-low property is handled during mapping and is
+thus transparent to GPIO consumers.
diff --git a/Documentation/gpio/consumer.txt b/Documentation/gpio/consumer.txt
index a206639..e000502 100644
--- a/Documentation/gpio/consumer.txt
+++ b/Documentation/gpio/consumer.txt
@@ -39,6 +39,9 @@
 					  const char *con_id, unsigned int idx,
 					  enum gpiod_flags flags)
 
+For a more detailed description of the con_id parameter in the DeviceTree case
+see Documentation/gpio/board.txt
+
 The flags parameter is used to optionally specify a direction and initial value
 for the GPIO. Values can be:
 
diff --git a/Documentation/hwmon/nct6775 b/Documentation/hwmon/nct6775
index f0dd3d2..76add4c 100644
--- a/Documentation/hwmon/nct6775
+++ b/Documentation/hwmon/nct6775
@@ -32,6 +32,10 @@
     Prefix: 'nct6792'
     Addresses scanned: ISA address retrieved from Super I/O registers
     Datasheet: Available from Nuvoton upon request
+  * Nuvoton NCT6793D
+    Prefix: 'nct6793'
+    Addresses scanned: ISA address retrieved from Super I/O registers
+    Datasheet: Available from Nuvoton upon request
 
 Authors:
         Guenter Roeck <linux@roeck-us.net>
diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt
index b85d000..c51f114 100644
--- a/Documentation/input/multi-touch-protocol.txt
+++ b/Documentation/input/multi-touch-protocol.txt
@@ -361,7 +361,7 @@
    ABS_MT_POSITION_X := T_X
    ABS_MT_POSITION_Y := T_Y
    ABS_MT_TOOL_X := C_X
-   ABS_MT_TOOL_X := C_Y
+   ABS_MT_TOOL_Y := C_Y
 
 Unfortunately, there is not enough information to specify both the touching
 ellipse and the tool ellipse, so one has to resort to approximations.  One
diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt
new file mode 100644
index 0000000..031ef4a
--- /dev/null
+++ b/Documentation/networking/vrf.txt
@@ -0,0 +1,96 @@
+Virtual Routing and Forwarding (VRF)
+====================================
+The VRF device combined with ip rules provides the ability to create virtual
+routing and forwarding domains (aka VRFs, VRF-lite to be specific) in the
+Linux network stack. One use case is the multi-tenancy problem where each
+tenant has their own unique routing tables and in the very least need
+different default gateways.
+
+Processes can be "VRF aware" by binding a socket to the VRF device. Packets
+through the socket then use the routing table associated with the VRF
+device. An important feature of the VRF device implementation is that it
+impacts only Layer 3 and above so L2 tools (e.g., LLDP) are not affected
+(ie., they do not need to be run in each VRF). The design also allows
+the use of higher priority ip rules (Policy Based Routing, PBR) to take
+precedence over the VRF device rules directing specific traffic as desired.
+
+In addition, VRF devices allow VRFs to be nested within namespaces. For
+example network namespaces provide separation of network interfaces at L1
+(Layer 1 separation), VLANs on the interfaces within a namespace provide
+L2 separation and then VRF devices provide L3 separation.
+
+Design
+------
+A VRF device is created with an associated route table. Network interfaces
+are then enslaved to a VRF device:
+
+         +-----------------------------+
+         |           vrf-blue          |  ===> route table 10
+         +-----------------------------+
+            |        |            |
+         +------+ +------+     +-------------+
+         | eth1 | | eth2 | ... |    bond1    |
+         +------+ +------+     +-------------+
+                                  |       |
+                              +------+ +------+
+                              | eth8 | | eth9 |
+                              +------+ +------+
+
+Packets received on an enslaved device and are switched to the VRF device
+using an rx_handler which gives the impression that packets flow through
+the VRF device. Similarly on egress routing rules are used to send packets
+to the VRF device driver before getting sent out the actual interface. This
+allows tcpdump on a VRF device to capture all packets into and out of the
+VRF as a whole.[1] Similiarly, netfilter [2] and tc rules can be applied
+using the VRF device to specify rules that apply to the VRF domain as a whole.
+
+[1] Packets in the forwarded state do not flow through the device, so those
+    packets are not seen by tcpdump. Will revisit this limitation in a
+    future release.
+
+[2] Iptables on ingress is limited to NF_INET_PRE_ROUTING only with skb->dev
+    set to real ingress device and egress is limited to NF_INET_POST_ROUTING.
+    Will revisit this limitation in a future release.
+
+
+Setup
+-----
+1. VRF device is created with an association to a FIB table.
+   e.g, ip link add vrf-blue type vrf table 10
+        ip link set dev vrf-blue up
+
+2. Rules are added that send lookups to the associated FIB table when the
+   iif or oif is the VRF device. e.g.,
+       ip ru add oif vrf-blue table 10
+       ip ru add iif vrf-blue table 10
+
+   Set the default route for the table (and hence default route for the VRF).
+   e.g, ip route add table 10 prohibit default
+
+3. Enslave L3 interfaces to a VRF device.
+   e.g,  ip link set dev eth1 master vrf-blue
+
+   Local and connected routes for enslaved devices are automatically moved to
+   the table associated with VRF device. Any additional routes depending on
+   the enslaved device will need to be reinserted following the enslavement.
+
+4. Additional VRF routes are added to associated table.
+   e.g., ip route add table 10 ...
+
+
+Applications
+------------
+Applications that are to work within a VRF need to bind their socket to the
+VRF device:
+
+    setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, dev, strlen(dev)+1);
+
+or to specify the output device using cmsg and IP_PKTINFO.
+
+
+Limitations
+-----------
+VRF device currently only works for IPv4. Support for IPv6 is under development.
+
+Index of original ingress interface is not available via cmsg. Will address
+soon.
diff --git a/Documentation/power/pci.txt b/Documentation/power/pci.txt
index 62328d7..b0e911e 100644
--- a/Documentation/power/pci.txt
+++ b/Documentation/power/pci.txt
@@ -979,20 +979,45 @@
 (alternatively, the runtime_suspend() callback will have to check if the
 device should really be suspended and return -EAGAIN if that is not the case).
 
-The runtime PM of PCI devices is disabled by default.  It is also blocked by
-pci_pm_init() that runs the pm_runtime_forbid() helper function.  If a PCI
-driver implements the runtime PM callbacks and intends to use the runtime PM
-framework provided by the PM core and the PCI subsystem, it should enable this
-feature by executing the pm_runtime_enable() helper function.  However, the
-driver should not call the pm_runtime_allow() helper function unblocking
-the runtime PM of the device.  Instead, it should allow user space or some
-platform-specific code to do that (user space can do it via sysfs), although
-once it has called pm_runtime_enable(), it must be prepared to handle the
+The runtime PM of PCI devices is enabled by default by the PCI core.  PCI
+device drivers do not need to enable it and should not attempt to do so.
+However, it is blocked by pci_pm_init() that runs the pm_runtime_forbid()
+helper function.  In addition to that, the runtime PM usage counter of
+each PCI device is incremented by local_pci_probe() before executing the
+probe callback provided by the device's driver.
+
+If a PCI driver implements the runtime PM callbacks and intends to use the
+runtime PM framework provided by the PM core and the PCI subsystem, it needs
+to decrement the device's runtime PM usage counter in its probe callback
+function.  If it doesn't do that, the counter will always be different from
+zero for the device and it will never be runtime-suspended.  The simplest
+way to do that is by calling pm_runtime_put_noidle(), but if the driver
+wants to schedule an autosuspend right away, for example, it may call
+pm_runtime_put_autosuspend() instead for this purpose.  Generally, it
+just needs to call a function that decrements the devices usage counter
+from its probe routine to make runtime PM work for the device.
+
+It is important to remember that the driver's runtime_suspend() callback
+may be executed right after the usage counter has been decremented, because
+user space may already have cuased the pm_runtime_allow() helper function
+unblocking the runtime PM of the device to run via sysfs, so the driver must
+be prepared to cope with that.
+
+The driver itself should not call pm_runtime_allow(), though.  Instead, it
+should let user space or some platform-specific code do that (user space can
+do it via sysfs as stated above), but it must be prepared to handle the
 runtime PM of the device correctly as soon as pm_runtime_allow() is called
-(which may happen at any time).  [It also is possible that user space causes
-pm_runtime_allow() to be called via sysfs before the driver is loaded, so in
-fact the driver has to be prepared to handle the runtime PM of the device as
-soon as it calls pm_runtime_enable().]
+(which may happen at any time, even before the driver is loaded).
+
+When the driver's remove callback runs, it has to balance the decrementation
+of the device's runtime PM usage counter at the probe time.  For this reason,
+if it has decremented the counter in its probe callback, it must run
+pm_runtime_get_noresume() in its remove callback.  [Since the core carries
+out a runtime resume of the device and bumps up the device's usage counter
+before running the driver's remove callback, the runtime PM of the device
+is effectively disabled for the duration of the remove execution and all
+runtime PM helper functions incrementing the device's usage counter are
+then effectively equivalent to pm_runtime_get_noresume().]
 
 The runtime PM framework works by processing requests to suspend or resume
 devices, or to check if they are idle (in which cases it is reasonable to
diff --git a/Documentation/ptp/testptp.c b/Documentation/ptp/testptp.c
index 2bc8abc..6c6247a 100644
--- a/Documentation/ptp/testptp.c
+++ b/Documentation/ptp/testptp.c
@@ -18,6 +18,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 #define _GNU_SOURCE
+#define __SANE_USERSPACE_TYPES__        /* For PPC64, to get LL64 types */
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
diff --git a/Documentation/static-keys.txt b/Documentation/static-keys.txt
index f4cb0b2..477927b 100644
--- a/Documentation/static-keys.txt
+++ b/Documentation/static-keys.txt
@@ -15,8 +15,8 @@
 
 DEFINE_STATIC_KEY_TRUE(key);
 DEFINE_STATIC_KEY_FALSE(key);
-static_key_likely()
-statick_key_unlikely()
+static_branch_likely()
+static_branch_unlikely()
 
 0) Abstract
 
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
index 6294b51..809ab6e 100644
--- a/Documentation/sysctl/net.txt
+++ b/Documentation/sysctl/net.txt
@@ -54,13 +54,15 @@
 --------------
 
 The default queuing discipline to use for network devices. This allows
-overriding the default queue discipline of pfifo_fast with an
-alternative. Since the default queuing discipline is created with the
-no additional parameters so is best suited to queuing disciplines that
-work well without configuration like stochastic fair queue (sfq),
-CoDel (codel) or fair queue CoDel (fq_codel). Don't use queuing disciplines
-like Hierarchical Token Bucket or Deficit Round Robin which require setting
-up classes and bandwidths.
+overriding the default of pfifo_fast with an alternative. Since the default
+queuing discipline is created without additional parameters so is best suited
+to queuing disciplines that work well without configuration like stochastic
+fair queue (sfq), CoDel (codel) or fair queue CoDel (fq_codel). Don't use
+queuing disciplines like Hierarchical Token Bucket or Deficit Round Robin
+which require setting up classes and bandwidths. Note that physical multiqueue
+interfaces still use mq as root qdisc, which in turn uses this default for its
+leaves. Virtual devices (like e.g. lo or veth) ignore this setting and instead
+default to noqueue.
 Default: pfifo_fast
 
 busy_read
diff --git a/Documentation/thermal/power_allocator.txt b/Documentation/thermal/power_allocator.txt
index c3797b5..a1ce223 100644
--- a/Documentation/thermal/power_allocator.txt
+++ b/Documentation/thermal/power_allocator.txt
@@ -4,7 +4,7 @@
 Trip points
 -----------
 
-The governor requires the following two passive trip points:
+The governor works optimally with the following two passive trip points:
 
 1.  "switch on" trip point: temperature above which the governor
     control loop starts operating.  This is the first passive trip
diff --git a/MAINTAINERS b/MAINTAINERS
index 7ba7ab7..5f46784 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -615,9 +615,8 @@
 F:	drivers/hwmon/fam15h_power.c
 
 AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
-M:	Thomas Dahlmann <dahlmann.thomas@arcor.de>
 L:	linux-geode@lists.infradead.org (moderated for non-subscribers)
-S:	Supported
+S:	Orphan
 F:	drivers/usb/gadget/udc/amd5536udc.*
 
 AMD GEODE PROCESSOR/CHIPSET SUPPORT
@@ -808,6 +807,13 @@
 F:	drivers/video/fbdev/arcfb.c
 F:	drivers/video/fbdev/core/fb_defio.c
 
+ARCNET NETWORK LAYER
+M:	Michael Grzeschik <m.grzeschik@pengutronix.de>
+L:	netdev@vger.kernel.org
+S:	Maintained
+F:	drivers/net/arcnet/
+F:	include/uapi/linux/if_arcnet.h
+
 ARM MFM AND FLOPPY DRIVERS
 M:	Ian Molton <spyro@f2s.com>
 S:	Maintained
@@ -3394,7 +3400,6 @@
 
 DIGI EPCA PCI PRODUCTS
 M:	Lidza Louina <lidza.louina@gmail.com>
-M:	Mark Hounschell <markh@compro.net>
 M:	Daeseok Youn <daeseok.youn@gmail.com>
 L:	driverdev-devel@linuxdriverproject.org
 S:	Maintained
@@ -3998,7 +4003,7 @@
 F:	sound/usb/misc/ua101.c
 
 EXTENSIBLE FIRMWARE INTERFACE (EFI)
-M:	Matt Fleming <matt.fleming@intel.com>
+M:	Matt Fleming <matt@codeblueprint.co.uk>
 L:	linux-efi@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git
 S:	Maintained
@@ -4013,7 +4018,7 @@
 EFI VARIABLE FILESYSTEM
 M:	Matthew Garrett <matthew.garrett@nebula.com>
 M:	Jeremy Kerr <jk@ozlabs.org>
-M:	Matt Fleming <matt.fleming@intel.com>
+M:	Matt Fleming <matt@codeblueprint.co.uk>
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git
 L:	linux-efi@vger.kernel.org
 S:	Maintained
@@ -5952,7 +5957,7 @@
 KERNEL VIRTUAL MACHINE (KVM) FOR AMD-V
 M:	Joerg Roedel <joro@8bytes.org>
 L:	kvm@vger.kernel.org
-W:	http://kvm.qumranet.com
+W:	http://www.linux-kvm.org/
 S:	Maintained
 F:	arch/x86/include/asm/svm.h
 F:	arch/x86/kvm/svm.c
@@ -5960,7 +5965,7 @@
 KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC
 M:	Alexander Graf <agraf@suse.com>
 L:	kvm-ppc@vger.kernel.org
-W:	http://kvm.qumranet.com
+W:	http://www.linux-kvm.org/
 T:	git git://github.com/agraf/linux-2.6.git
 S:	Supported
 F:	arch/powerpc/include/asm/kvm*
@@ -6452,11 +6457,11 @@
 LTP (Linux Test Project)
 M:	Mike Frysinger <vapier@gentoo.org>
 M:	Cyril Hrubis <chrubis@suse.cz>
-M:	Wanlong Gao <gaowanlong@cn.fujitsu.com>
+M:	Wanlong Gao <wanlong.gao@gmail.com>
 M:	Jan Stancek <jstancek@redhat.com>
 M:	Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
 M:	Alexey Kodanev <alexey.kodanev@oracle.com>
-L:	ltp-list@lists.sourceforge.net (subscribers-only)
+L:	ltp@lists.linux.it (subscribers-only)
 W:	http://linux-test-project.github.io/
 T:	git git://github.com/linux-test-project/ltp.git
 S:	Maintained
@@ -8500,7 +8505,6 @@
 F:	drivers/net/ethernet/qlogic/qla3xxx.*
 
 QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
-M:	Shahed Shaikh <shahed.shaikh@qlogic.com>
 M:	Dept-GELinuxNICDev@qlogic.com
 L:	netdev@vger.kernel.org
 S:	Supported
@@ -9904,13 +9908,12 @@
 STAGING - LUSTRE PARALLEL FILESYSTEM
 M:	Oleg Drokin <oleg.drokin@intel.com>
 M:	Andreas Dilger <andreas.dilger@intel.com>
-L:	HPDD-discuss@lists.01.org (moderated for non-subscribers)
-W:	http://lustre.opensfs.org/
+L:	lustre-devel@lists.lustre.org (moderated for non-subscribers)
+W:	http://wiki.lustre.org/
 S:	Maintained
 F:	drivers/staging/lustre
 
 STAGING - NVIDIA COMPLIANT EMBEDDED CONTROLLER INTERFACE (nvec)
-M:	Julian Andres Klode <jak@jak-linux.org>
 M:	Marc Dietrich <marvin24@gmx.de>
 L:	ac100@lists.launchpad.net (moderated for non-subscribers)
 L:	linux-tegra@vger.kernel.org
@@ -10338,6 +10341,16 @@
 F:	include/linux/cpu_cooling.h
 F:	Documentation/devicetree/bindings/thermal/
 
+THERMAL/CPU_COOLING
+M:	Amit Daniel Kachhap <amit.kachhap@gmail.com>
+M:	Viresh Kumar <viresh.kumar@linaro.org>
+M:	Javi Merino <javi.merino@arm.com>
+L:	linux-pm@vger.kernel.org
+S:	Supported
+F:	Documentation/thermal/cpu-cooling-api.txt
+F:	drivers/thermal/cpu_cooling.c
+F:	include/linux/cpu_cooling.h
+
 THINGM BLINK(1) USB RGB LED DRIVER
 M:	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
 S:	Maintained
@@ -11187,7 +11200,7 @@
 F:	include/linux/vlynq.h
 
 VME SUBSYSTEM
-M:	Martyn Welch <martyn.welch@ge.com>
+M:	Martyn Welch <martyn@welchs.me.uk>
 M:	Manohar Vanga <manohar.vanga@gmail.com>
 M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:	devel@driverdev.osuosl.org
@@ -11239,7 +11252,6 @@
 M:	Liam Girdwood <lgirdwood@gmail.com>
 M:	Mark Brown <broonie@kernel.org>
 L:	linux-kernel@vger.kernel.org
-W:	http://opensource.wolfsonmicro.com/node/15
 W:	http://www.slimlogic.co.uk/?p=48
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git
 S:	Supported
@@ -11253,6 +11265,7 @@
 S:	Maintained
 F:	drivers/net/vrf.c
 F:	include/net/vrf.h
+F:	Documentation/networking/vrf.txt
 
 VT1211 HARDWARE MONITOR DRIVER
 M:	Juerg Haefliger <juergh@gmail.com>
@@ -11364,21 +11377,10 @@
 S:	Maintained
 F:	drivers/net/wireless/wl3501*
 
-WM97XX TOUCHSCREEN DRIVERS
-M:	Mark Brown <broonie@kernel.org>
-M:	Liam Girdwood <lrg@slimlogic.co.uk>
-L:	linux-input@vger.kernel.org
-T:	git git://opensource.wolfsonmicro.com/linux-2.6-touch
-W:	http://opensource.wolfsonmicro.com/node/7
-S:	Supported
-F:	drivers/input/touchscreen/*wm97*
-F:	include/linux/wm97xx.h
-
 WOLFSON MICROELECTRONICS DRIVERS
 L:	patches@opensource.wolfsonmicro.com
-T:	git git://opensource.wolfsonmicro.com/linux-2.6-asoc
-T:	git git://opensource.wolfsonmicro.com/linux-2.6-audioplus
-W:	http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices
+T:	git https://github.com/CirrusLogic/linux-drivers.git
+W:	https://github.com/CirrusLogic/linux-drivers/wiki
 S:	Supported
 F:	Documentation/hwmon/wm83??
 F:	arch/arm/mach-s3c64xx/mach-crag6410*
diff --git a/Makefile b/Makefile
index 1a132ea..416660d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 4
 PATCHLEVEL = 3
 SUBLEVEL = 0
-EXTRAVERSION = -rc1
-NAME = Hurr durr I'ma sheep
+EXTRAVERSION = -rc5
+NAME = Blurry Fish Butt
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index f05bdb4..ff40491 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -297,7 +297,9 @@
 					     unsigned long size)
 {
 	return ioremap(offset, size);
-} 
+}
+
+#define ioremap_uc ioremap_nocache
 
 static inline void iounmap(volatile void __iomem *addr)
 {
diff --git a/arch/alpha/include/asm/word-at-a-time.h b/arch/alpha/include/asm/word-at-a-time.h
index 6b340d0..902e6ab 100644
--- a/arch/alpha/include/asm/word-at-a-time.h
+++ b/arch/alpha/include/asm/word-at-a-time.h
@@ -52,4 +52,6 @@
 #endif
 }
 
+#define zero_bytemask(mask) ((2ul << (find_zero(mask) * 8)) - 1)
+
 #endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index 2804648..2d6efcf 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -117,6 +117,6 @@
 	}
 
 	irq_enter();
-	generic_handle_irq_desc(irq, desc);
+	generic_handle_irq_desc(desc);
 	irq_exit();
 }
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index cded02c..5f387ee 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -242,7 +242,12 @@
 
 void pcibios_fixup_bus(struct pci_bus *bus)
 {
-	struct pci_dev *dev;
+	struct pci_dev *dev = bus->self;
+
+	if (pci_has_flag(PCI_PROBE_ONLY) && dev &&
+	    (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
+		pci_read_bridge_bases(bus);
+	}
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		pdev_save_srm_config(dev);
diff --git a/arch/alpha/lib/udelay.c b/arch/alpha/lib/udelay.c
index 69d52aa..f2d81ff 100644
--- a/arch/alpha/lib/udelay.c
+++ b/arch/alpha/lib/udelay.c
@@ -30,6 +30,7 @@
 		"	bgt %0,1b"
 		: "=&r" (tmp), "=r" (loops) : "1"(loops));
 }
+EXPORT_SYMBOL(__delay);
 
 #ifdef CONFIG_SMP
 #define LPJ	 cpu_data[smp_processor_id()].loops_per_jiffy
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index 7611b10..0b10ef2 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -48,4 +48,5 @@
 generic-y += ucontext.h
 generic-y += user.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index d9e44b6..4ffd185 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -252,7 +252,7 @@
 
 static int idu_first_irq;
 
-static void idu_cascade_isr(unsigned int __core_irq, struct irq_desc *desc)
+static void idu_cascade_isr(struct irq_desc *desc)
 {
 	struct irq_domain *domain = irq_desc_get_handler_data(desc);
 	unsigned int core_irq = irq_desc_get_irq(desc);
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 7451b44..2c2b28e 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -54,6 +54,14 @@
 LD		+= -EL
 endif
 
+#
+# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
+# later may result in code being generated that handles signed short and signed
+# char struct members incorrectly. So disable it.
+# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
+#
+KBUILD_CFLAGS	+= $(call cc-option,-fno-ipa-sra)
+
 # This selects which instruction set is used.
 # Note that GCC does not numerically define an architecture version
 # macro, but instead defines a whole series of macros which makes
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 233159d..bb8fa02 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -578,7 +578,7 @@
 	sun4i-a10-hackberry.dtb \
 	sun4i-a10-hyundai-a7hd.dtb \
 	sun4i-a10-inet97fv2.dtb \
-	sun4i-a10-itead-iteaduino-plus.dts \
+	sun4i-a10-itead-iteaduino-plus.dtb \
 	sun4i-a10-jesurun-q5.dtb \
 	sun4i-a10-marsboard.dtb \
 	sun4i-a10-mini-xplus.dtb \
diff --git a/arch/arm/boot/dts/am335x-phycore-som.dtsi b/arch/arm/boot/dts/am335x-phycore-som.dtsi
index 4d28fc3..5dd084f 100644
--- a/arch/arm/boot/dts/am335x-phycore-som.dtsi
+++ b/arch/arm/boot/dts/am335x-phycore-som.dtsi
@@ -252,10 +252,10 @@
 		};
 
 		vdd1_reg: regulator@2 {
-			/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
+			/* VDD_MPU voltage limits 0.95V - 1.325V with +/-4% tolerance */
 			regulator-name = "vdd_mpu";
 			regulator-min-microvolt = <912500>;
-			regulator-max-microvolt = <1312500>;
+			regulator-max-microvolt = <1378000>;
 			regulator-boot-on;
 			regulator-always-on;
 		};
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 3a05b94..568adf5 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -98,13 +98,6 @@
 		pinctrl-0 = <&extcon_usb1_pins>;
 	};
 
-	extcon_usb2: extcon_usb2 {
-		compatible = "linux,extcon-usb-gpio";
-		id-gpio = <&gpio7 24 GPIO_ACTIVE_HIGH>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&extcon_usb2_pins>;
-	};
-
 	hdmi0: connector {
 		compatible = "hdmi-connector";
 		label = "hdmi";
@@ -326,12 +319,6 @@
 		>;
 	};
 
-	extcon_usb2_pins: extcon_usb2_pins {
-		pinctrl-single,pins = <
-			0x3e8 (PIN_INPUT_PULLUP | MUX_MODE14) /* uart1_ctsn.gpio7_24 */
-		>;
-	};
-
 	tpd12s015_pins: pinmux_tpd12s015_pins {
 		pinctrl-single,pins = <
 			0x3b0 (PIN_OUTPUT | MUX_MODE14)		/* gpio7_10 CT_CP_HPD */
@@ -432,7 +419,7 @@
 				};
 
 				ldo3_reg: ldo3 {
-					/* VDDA_1V8_PHY */
+					/* VDDA_1V8_PHYA */
 					regulator-name = "ldo3";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
@@ -440,6 +427,15 @@
 					regulator-boot-on;
 				};
 
+				ldo4_reg: ldo4 {
+					/* VDDA_1V8_PHYB */
+					regulator-name = "ldo4";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+
 				ldo9_reg: ldo9 {
 					/* VDD_RTC */
 					regulator-name = "ldo9";
@@ -495,6 +491,14 @@
 			gpio-controller;
 			#gpio-cells = <2>;
 		};
+
+		extcon_usb2: tps659038_usb {
+			compatible = "ti,palmas-usb-vid";
+			ti,enable-vbus-detection;
+			ti,enable-id-detection;
+			id-gpios = <&gpio7 24 GPIO_ACTIVE_HIGH>;
+		};
+
 	};
 
 	tmp102: tmp102@48 {
@@ -517,7 +521,8 @@
 	mcp_rtc: rtc@6f {
 		compatible = "microchip,mcp7941x";
 		reg = <0x6f>;
-		interrupts = <GIC_SPI 2 IRQ_TYPE_EDGE_RISING>;  /* IRQ_SYS_1N */
+		interrupts-extended = <&crossbar_mpu GIC_SPI 2 IRQ_TYPE_EDGE_RISING>,
+				      <&dra7_pmx_core 0x424>;
 
 		pinctrl-names = "default";
 		pinctrl-0 = <&mcp79410_pins_default>;
@@ -579,7 +584,6 @@
 	pinctrl-0 = <&mmc1_pins_default>;
 
 	vmmc-supply = <&ldo1_reg>;
-	vmmc_aux-supply = <&vdd_3v3>;
 	bus-width = <4>;
 	cd-gpios = <&gpio6 27 0>; /* gpio 219 */
 };
@@ -623,6 +627,14 @@
 };
 
 &usb2 {
+	/*
+	 * Stand alone usage is peripheral only.
+	 * However, with some resistor modifications
+	 * this port can be used via expansion connectors
+	 * as "host" or "dual-role". If so, provide
+	 * the necessary dr_mode override in the expansion
+	 * board's DT.
+	 */
 	dr_mode = "peripheral";
 };
 
@@ -681,7 +693,7 @@
 
 &hdmi {
 	status = "ok";
-	vdda-supply = <&ldo3_reg>;
+	vdda-supply = <&ldo4_reg>;
 
 	pinctrl-names = "default";
 	pinctrl-0 = <&hdmi_pins>;
diff --git a/arch/arm/boot/dts/dm8148-evm.dts b/arch/arm/boot/dts/dm8148-evm.dts
index 92bacd3..109fd47 100644
--- a/arch/arm/boot/dts/dm8148-evm.dts
+++ b/arch/arm/boot/dts/dm8148-evm.dts
@@ -19,10 +19,10 @@
 
 &cpsw_emac0 {
 	phy_id = <&davinci_mdio>, <0>;
-	phy-mode = "mii";
+	phy-mode = "rgmii";
 };
 
 &cpsw_emac1 {
 	phy_id = <&davinci_mdio>, <1>;
-	phy-mode = "mii";
+	phy-mode = "rgmii";
 };
diff --git a/arch/arm/boot/dts/dm8148-t410.dts b/arch/arm/boot/dts/dm8148-t410.dts
index 8c4bbc7..79838dd 100644
--- a/arch/arm/boot/dts/dm8148-t410.dts
+++ b/arch/arm/boot/dts/dm8148-t410.dts
@@ -8,7 +8,7 @@
 #include "dm814x.dtsi"
 
 / {
-	model = "DM8148 EVM";
+	model = "HP t410 Smart Zero Client";
 	compatible = "hp,t410", "ti,dm8148";
 
 	memory {
@@ -19,10 +19,10 @@
 
 &cpsw_emac0 {
 	phy_id = <&davinci_mdio>, <0>;
-	phy-mode = "mii";
+	phy-mode = "rgmii";
 };
 
 &cpsw_emac1 {
 	phy_id = <&davinci_mdio>, <1>;
-	phy-mode = "mii";
+	phy-mode = "rgmii";
 };
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index 972c9c9..7988b42 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -181,9 +181,9 @@
 				ti,hwmods = "timer3";
 			};
 
-			control: control@160000 {
+			control: control@140000 {
 				compatible = "ti,dm814-scm", "simple-bus";
-				reg = <0x160000 0x16d000>;
+				reg = <0x140000 0x16d000>;
 				#address-cells = <1>;
 				#size-cells = <1>;
 				ranges = <0 0x160000 0x16d000>;
@@ -321,9 +321,9 @@
 				mac-address = [ 00 00 00 00 00 00 ];
 			};
 
-			phy_sel: cpsw-phy-sel@0x48160650 {
+			phy_sel: cpsw-phy-sel@48140650 {
 				compatible = "ti,am3352-cpsw-phy-sel";
-				reg= <0x48160650 0x4>;
+				reg= <0x48140650 0x4>;
 				reg-names = "gmii-sel";
 			};
 		};
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 5d65db9..e289c70 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -120,9 +120,10 @@
 					reg = <0x0 0x1400>;
 					#address-cells = <1>;
 					#size-cells = <1>;
+					ranges = <0 0x0 0x1400>;
 
 					pbias_regulator: pbias_regulator {
-						compatible = "ti,pbias-omap";
+						compatible = "ti,pbias-dra7", "ti,pbias-omap";
 						reg = <0xe00 0x4>;
 						syscon = <&scm_conf>;
 						pbias_mmc_reg: pbias_mmc_omap5 {
@@ -1417,7 +1418,7 @@
 			ti,irqs-safe-map = <0>;
 		};
 
-		mac: ethernet@4a100000 {
+		mac: ethernet@48484000 {
 			compatible = "ti,dra7-cpsw","ti,cpsw";
 			ti,hwmods = "gmac";
 			clocks = <&dpll_gmac_ck>, <&gmac_gmii_ref_clk_div>;
diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index ca0e3c1..294cfe4 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -98,6 +98,7 @@
 			opp-hz = /bits/ 64 <800000000>;
 			opp-microvolt = <1000000>;
 			clock-latency-ns = <200000>;
+			opp-suspend;
 		};
 		opp07 {
 			opp-hz = /bits/ 64 <900000000>;
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 15aea76..c625e71 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -197,6 +197,7 @@
 				regulator-name = "P1.8V_LDO_OUT10";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
 			};
 
 			ldo11_reg: LDO11 {
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index df9aee9..1b3d6c7 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -1117,7 +1117,7 @@
 		interrupt-parent = <&combiner>;
 		interrupts = <3 0>;
 		clock-names = "sysmmu", "master";
-		clocks = <&clock CLK_SMMU_FIMD1M0>, <&clock CLK_FIMD1>;
+		clocks = <&clock CLK_SMMU_FIMD1M1>, <&clock CLK_FIMD1>;
 		power-domains = <&disp_pd>;
 		#iommu-cells = <0>;
 	};
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index 79ffdfe..3b43e57 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -472,7 +472,6 @@
 	 */
 	pinctrl-0 = <&pwm0_out &pwm1_out &pwm2_out &pwm3_out>;
 	pinctrl-names = "default";
-	samsung,pwm-outputs = <0>;
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsrb.dts
index 66e47de..96d7eed 100644
--- a/arch/arm/boot/dts/imx53-qsrb.dts
+++ b/arch/arm/boot/dts/imx53-qsrb.dts
@@ -36,7 +36,7 @@
 		pinctrl-0 = <&pinctrl_pmic>;
 		reg = <0x08>;
 		interrupt-parent = <&gpio5>;
-		interrupts = <23 0x8>;
+		interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
 		regulators {
 			sw1_reg: sw1a {
 				regulator-name = "SW1";
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index c3e3ca9..cd17037 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -15,6 +15,7 @@
 #include <dt-bindings/clock/imx5-clock.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	aliases {
diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi
index 3373fd9..a503562 100644
--- a/arch/arm/boot/dts/imx6qdl-rex.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi
@@ -35,7 +35,6 @@
 			compatible = "regulator-fixed";
 			reg = <1>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_usbh1>;
 			regulator-name = "usbh1_vbus";
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
@@ -47,7 +46,6 @@
 			compatible = "regulator-fixed";
 			reg = <2>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_usbotg>;
 			regulator-name = "usb_otg_vbus";
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi
index 2390f38..798dda0 100644
--- a/arch/arm/boot/dts/omap2430.dtsi
+++ b/arch/arm/boot/dts/omap2430.dtsi
@@ -56,6 +56,7 @@
 					reg = <0x270 0x240>;
 					#address-cells = <1>;
 					#size-cells = <1>;
+					ranges = <0 0x270 0x240>;
 
 					scm_clocks: clocks {
 						#address-cells = <1>;
@@ -63,7 +64,7 @@
 					};
 
 					pbias_regulator: pbias_regulator {
-						compatible = "ti,pbias-omap";
+						compatible = "ti,pbias-omap2", "ti,pbias-omap";
 						reg = <0x230 0x4>;
 						syscon = <&scm_conf>;
 						pbias_mmc_reg: pbias_mmc_omap2430 {
diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index a547411..67659a0 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -202,7 +202,7 @@
 
 	tfp410_pins: pinmux_tfp410_pins {
 		pinctrl-single,pins = <
-			0x194 (PIN_OUTPUT | MUX_MODE4)	/* hdq_sio.gpio_170 */
+			0x196 (PIN_OUTPUT | MUX_MODE4)	/* hdq_sio.gpio_170 */
 		>;
 	};
 
diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index d5e5cd4..2230e1c 100644
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi
@@ -78,12 +78,6 @@
 		>;
 	};
 
-	smsc9221_pins: pinmux_smsc9221_pins {
-		pinctrl-single,pins = <
-			0x1a2 (PIN_INPUT | MUX_MODE4)		/* mcspi1_cs2.gpio_176 */
-		>;
-	};
-
 	i2c1_pins: pinmux_i2c1_pins {
 		pinctrl-single,pins = <
 			0x18a (PIN_INPUT | MUX_MODE0)   /* i2c1_scl.i2c1_scl */
diff --git a/arch/arm/boot/dts/omap3-igep0020-common.dtsi b/arch/arm/boot/dts/omap3-igep0020-common.dtsi
index e458c21..5ad688c 100644
--- a/arch/arm/boot/dts/omap3-igep0020-common.dtsi
+++ b/arch/arm/boot/dts/omap3-igep0020-common.dtsi
@@ -156,6 +156,12 @@
 			OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0)	/* uart2_rx.uart2_rx */
 		>;
 	};
+
+	smsc9221_pins: pinmux_smsc9221_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x21d2, PIN_INPUT | MUX_MODE4)	/* mcspi1_cs2.gpio_176 */
+		>;
+	};
 };
 
 &omap3_pmx_core2 {
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 69a40cf..8a2b253 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -113,10 +113,22 @@
 				};
 
 				scm_conf: scm_conf@270 {
-					compatible = "syscon";
+					compatible = "syscon", "simple-bus";
 					reg = <0x270 0x330>;
 					#address-cells = <1>;
 					#size-cells = <1>;
+					ranges = <0 0x270 0x330>;
+
+					pbias_regulator: pbias_regulator {
+						compatible = "ti,pbias-omap3", "ti,pbias-omap";
+						reg = <0x2b0 0x4>;
+						syscon = <&scm_conf>;
+						pbias_mmc_reg: pbias_mmc_omap2430 {
+							regulator-name = "pbias_mmc_omap2430";
+							regulator-min-microvolt = <1800000>;
+							regulator-max-microvolt = <3000000>;
+						};
+					};
 
 					scm_clocks: clocks {
 						#address-cells = <1>;
@@ -202,17 +214,6 @@
 			dma-requests = <96>;
 		};
 
-		pbias_regulator: pbias_regulator {
-			compatible = "ti,pbias-omap";
-			reg = <0x2b0 0x4>;
-			syscon = <&scm_conf>;
-			pbias_mmc_reg: pbias_mmc_omap2430 {
-				regulator-name = "pbias_mmc_omap2430";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <3000000>;
-			};
-		};
-
 		gpio1: gpio@48310000 {
 			compatible = "ti,omap3-gpio";
 			reg = <0x48310000 0x200>;
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index abc4473..5a206c1 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -196,9 +196,10 @@
 					reg = <0x5a0 0x170>;
 					#address-cells = <1>;
 					#size-cells = <1>;
+					ranges = <0 0x5a0 0x170>;
 
 					pbias_regulator: pbias_regulator {
-						compatible = "ti,pbias-omap";
+						compatible = "ti,pbias-omap4", "ti,pbias-omap";
 						reg = <0x60 0x4>;
 						syscon = <&omap4_padconf_global>;
 						pbias_mmc_reg: pbias_mmc_omap4 {
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 3cc8f35..3cb030f 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -174,8 +174,8 @@
 
 	i2c5_pins: pinmux_i2c5_pins {
 		pinctrl-single,pins = <
-			0x184 (PIN_INPUT | MUX_MODE0)		/* i2c5_scl */
-			0x186 (PIN_INPUT | MUX_MODE0)		/* i2c5_sda */
+			0x186 (PIN_INPUT | MUX_MODE0)		/* i2c5_scl */
+			0x188 (PIN_INPUT | MUX_MODE0)		/* i2c5_sda */
 		>;
 	};
 
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 4205a8a..4c04389 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -185,9 +185,10 @@
 					reg = <0x5a0 0xec>;
 					#address-cells = <1>;
 					#size-cells = <1>;
+					ranges = <0 0x5a0 0xec>;
 
 					pbias_regulator: pbias_regulator {
-						compatible = "ti,pbias-omap";
+						compatible = "ti,pbias-omap5", "ti,pbias-omap";
 						reg = <0x60 0x4>;
 						syscon = <&omap5_padconf_global>;
 						pbias_mmc_reg: pbias_mmc_omap5 {
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index a0b2a79..4624d0f 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -1627,6 +1627,7 @@
 				"mix.0", "mix.1",
 				"dvc.0", "dvc.1",
 				"clk_a", "clk_b", "clk_c", "clk_i";
+		power-domains = <&cpg_clocks>;
 
 		status = "disabled";
 
diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 831525d..1666c8a 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -1677,6 +1677,7 @@
 				"mix.0", "mix.1",
 				"dvc.0", "dvc.1",
 				"clk_a", "clk_b", "clk_c", "clk_i";
+		power-domains = <&cpg_clocks>;
 
 		status = "disabled";
 
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 2fa7a0d..275c78c 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -158,6 +158,7 @@
 };
 
 &hdmi {
+	ddc-i2c-bus = <&i2c5>;
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/stih407.dtsi b/arch/arm/boot/dts/stih407.dtsi
index 3efa3b2..6b914e4 100644
--- a/arch/arm/boot/dts/stih407.dtsi
+++ b/arch/arm/boot/dts/stih407.dtsi
@@ -103,48 +103,46 @@
 							 <&clk_s_d0_quadfs 0>,
 							 <&clk_s_d2_quadfs 0>,
 							 <&clk_s_d2_quadfs 0>;
-				ranges;
+			};
 
-				sti-hdmi@8d04000 {
-					compatible = "st,stih407-hdmi";
-					reg = <0x8d04000 0x1000>;
-					reg-names = "hdmi-reg";
-					interrupts = <GIC_SPI 106 IRQ_TYPE_NONE>;
-					interrupt-names	= "irq";
-					clock-names = "pix",
-						      "tmds",
-						      "phy",
-						      "audio",
-						      "main_parent",
-						      "aux_parent";
+			sti-hdmi@8d04000 {
+				compatible = "st,stih407-hdmi";
+				reg = <0x8d04000 0x1000>;
+				reg-names = "hdmi-reg";
+				interrupts = <GIC_SPI 106 IRQ_TYPE_NONE>;
+				interrupt-names	= "irq";
+				clock-names = "pix",
+					      "tmds",
+					      "phy",
+					      "audio",
+					      "main_parent",
+					      "aux_parent";
 
-					clocks = <&clk_s_d2_flexgen CLK_PIX_HDMI>,
-						 <&clk_s_d2_flexgen CLK_TMDS_HDMI>,
-						 <&clk_s_d2_flexgen CLK_REF_HDMIPHY>,
-						 <&clk_s_d0_flexgen CLK_PCM_0>,
-						 <&clk_s_d2_quadfs 0>,
-						 <&clk_s_d2_quadfs 1>;
+				clocks = <&clk_s_d2_flexgen CLK_PIX_HDMI>,
+					 <&clk_s_d2_flexgen CLK_TMDS_HDMI>,
+					 <&clk_s_d2_flexgen CLK_REF_HDMIPHY>,
+					 <&clk_s_d0_flexgen CLK_PCM_0>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
 
-					hdmi,hpd-gpio = <&pio5 3>;
-					reset-names = "hdmi";
-					resets = <&softreset STIH407_HDMI_TX_PHY_SOFTRESET>;
-					ddc = <&hdmiddc>;
+				hdmi,hpd-gpio = <&pio5 3>;
+				reset-names = "hdmi";
+				resets = <&softreset STIH407_HDMI_TX_PHY_SOFTRESET>;
+				ddc = <&hdmiddc>;
+			};
 
-				};
-
-				sti-hda@8d02000 {
-					compatible = "st,stih407-hda";
-					reg = <0x8d02000 0x400>, <0x92b0120 0x4>;
-					reg-names = "hda-reg", "video-dacs-ctrl";
-					clock-names = "pix",
-						      "hddac",
-						      "main_parent",
-						      "aux_parent";
-					clocks = <&clk_s_d2_flexgen CLK_PIX_HDDAC>,
-						 <&clk_s_d2_flexgen CLK_HDDAC>,
-						 <&clk_s_d2_quadfs 0>,
-						 <&clk_s_d2_quadfs 1>;
-				};
+			sti-hda@8d02000 {
+				compatible = "st,stih407-hda";
+				reg = <0x8d02000 0x400>, <0x92b0120 0x4>;
+				reg-names = "hda-reg", "video-dacs-ctrl";
+				clock-names = "pix",
+					      "hddac",
+					      "main_parent",
+					      "aux_parent";
+				clocks = <&clk_s_d2_flexgen CLK_PIX_HDDAC>,
+					 <&clk_s_d2_flexgen CLK_HDDAC>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
 			};
 		};
 	};
diff --git a/arch/arm/boot/dts/stih410.dtsi b/arch/arm/boot/dts/stih410.dtsi
index 6f40bc9..8c6e61a 100644
--- a/arch/arm/boot/dts/stih410.dtsi
+++ b/arch/arm/boot/dts/stih410.dtsi
@@ -178,48 +178,46 @@
 							 <&clk_s_d0_quadfs 0>,
 							 <&clk_s_d2_quadfs 0>,
 							 <&clk_s_d2_quadfs 0>;
-				ranges;
+			};
 
-				sti-hdmi@8d04000 {
-					compatible = "st,stih407-hdmi";
-					reg = <0x8d04000 0x1000>;
-					reg-names = "hdmi-reg";
-					interrupts = <GIC_SPI 106 IRQ_TYPE_NONE>;
-					interrupt-names	= "irq";
-					clock-names = "pix",
-						      "tmds",
-						      "phy",
-						      "audio",
-						      "main_parent",
-						      "aux_parent";
+			sti-hdmi@8d04000 {
+				compatible = "st,stih407-hdmi";
+				reg = <0x8d04000 0x1000>;
+				reg-names = "hdmi-reg";
+				interrupts = <GIC_SPI 106 IRQ_TYPE_NONE>;
+				interrupt-names	= "irq";
+				clock-names = "pix",
+					      "tmds",
+					      "phy",
+					      "audio",
+					      "main_parent",
+					      "aux_parent";
 
-					clocks = <&clk_s_d2_flexgen CLK_PIX_HDMI>,
-						 <&clk_s_d2_flexgen CLK_TMDS_HDMI>,
-						 <&clk_s_d2_flexgen CLK_REF_HDMIPHY>,
-						 <&clk_s_d0_flexgen CLK_PCM_0>,
-						 <&clk_s_d2_quadfs 0>,
-						 <&clk_s_d2_quadfs 1>;
+				clocks = <&clk_s_d2_flexgen CLK_PIX_HDMI>,
+					 <&clk_s_d2_flexgen CLK_TMDS_HDMI>,
+					 <&clk_s_d2_flexgen CLK_REF_HDMIPHY>,
+					 <&clk_s_d0_flexgen CLK_PCM_0>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
 
-					hdmi,hpd-gpio = <&pio5 3>;
-					reset-names = "hdmi";
-					resets = <&softreset STIH407_HDMI_TX_PHY_SOFTRESET>;
-					ddc = <&hdmiddc>;
+				hdmi,hpd-gpio = <&pio5 3>;
+				reset-names = "hdmi";
+				resets = <&softreset STIH407_HDMI_TX_PHY_SOFTRESET>;
+				ddc = <&hdmiddc>;
+			};
 
-				};
-
-				sti-hda@8d02000 {
-					compatible = "st,stih407-hda";
-					reg = <0x8d02000 0x400>, <0x92b0120 0x4>;
-					reg-names = "hda-reg", "video-dacs-ctrl";
-					clock-names = "pix",
-						      "hddac",
-						      "main_parent",
-						      "aux_parent";
-					clocks = <&clk_s_d2_flexgen CLK_PIX_HDDAC>,
-						 <&clk_s_d2_flexgen CLK_HDDAC>,
-						 <&clk_s_d2_quadfs 0>,
-						 <&clk_s_d2_quadfs 1>;
-				};
+			sti-hda@8d02000 {
+				compatible = "st,stih407-hda";
+				reg = <0x8d02000 0x400>, <0x92b0120 0x4>;
+				reg-names = "hda-reg", "video-dacs-ctrl";
+				clock-names = "pix",
+					      "hddac",
+					      "main_parent",
+					      "aux_parent";
+				clocks = <&clk_s_d2_flexgen CLK_PIX_HDDAC>,
+					 <&clk_s_d2_flexgen CLK_HDDAC>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
 			};
 		};
 
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 2bebaa2..391230c 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -107,7 +107,7 @@
 				720000	1200000
 				528000	1100000
 				312000	1000000
-				144000	900000
+				144000	1000000
 				>;
 			#cooling-cells = <2>;
 			cooling-min-level = <0>;
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 96dabcb..996aed3 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -95,7 +95,7 @@
 	}
 }
 
-void it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
+void it8152_irq_demux(struct irq_desc *desc)
 {
        int bits_pd, bits_lp, bits_ld;
        int i;
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 304adea..0e97b4b 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -138,7 +138,7 @@
 	},
 };
 
-static void locomo_handler(unsigned int __irq, struct irq_desc *desc)
+static void locomo_handler(struct irq_desc *desc)
 {
 	struct locomo *lchip = irq_desc_get_chip_data(desc);
 	int req, i;
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 4f29025..3d22494 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -196,10 +196,8 @@
  * active IRQs causes the interrupt output to pulse, the upper levels
  * will call us again if there are more interrupts to process.
  */
-static void
-sa1111_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void sa1111_irq_handler(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
 	unsigned int stat0, stat1, i;
 	struct sa1111 *sachip = irq_desc_get_handler_data(desc);
 	void __iomem *mapbase = sachip->base + SA1111_INTC;
@@ -214,7 +212,7 @@
 	sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1);
 
 	if (stat0 == 0 && stat1 == 0) {
-		do_bad_IRQ(irq, desc);
+		do_bad_IRQ(desc);
 		return;
 	}
 
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index 50c84e1..3f15a5c 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -240,7 +240,8 @@
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
-CONFIG_GPIO_PCF857X=m
+CONFIG_GPIO_PCA953X=m
+CONFIG_GPIO_PCF857X=y
 CONFIG_GPIO_TWL4030=y
 CONFIG_GPIO_PALMAS=y
 CONFIG_W1=m
@@ -350,6 +351,8 @@
 CONFIG_USB_MUSB_OMAP2PLUS=m
 CONFIG_USB_MUSB_AM35X=m
 CONFIG_USB_MUSB_DSPS=m
+CONFIG_USB_INVENTRA_DMA=y
+CONFIG_USB_TI_CPPI41_DMA=y
 CONFIG_USB_DWC3=m
 CONFIG_USB_TEST=m
 CONFIG_AM335X_PHY_USB=y
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 7bbf325..b2bc8e1 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -491,11 +491,6 @@
 #endif
 	.endm
 
-	.macro	uaccess_save_and_disable, tmp
-	uaccess_save \tmp
-	uaccess_disable \tmp
-	.endm
-
 	.irp	c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
 	.macro	ret\c, reg
 #if __LINUX_ARM_ARCH__ < 6
diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h
index b274bde..e7335a9 100644
--- a/arch/arm/include/asm/bug.h
+++ b/arch/arm/include/asm/bug.h
@@ -40,6 +40,7 @@
 		"2:\t.asciz " #__file "\n" 			\
 		".popsection\n" 				\
 		".pushsection __bug_table,\"a\"\n"		\
+		".align 2\n"					\
 		"3:\t.word 1b, 2b\n"				\
 		"\t.hword " #__line ", 0\n"			\
 		".popsection");					\
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index e878129..fc8ba16 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -12,6 +12,7 @@
 
 #ifndef __ASSEMBLY__
 #include <asm/barrier.h>
+#include <asm/thread_info.h>
 #endif
 
 /*
@@ -89,7 +90,8 @@
 
 	asm(
 	"mrc	p15, 0, %0, c3, c0	@ get domain"
-	 : "=r" (domain));
+	 : "=r" (domain)
+	 : "m" (current_thread_info()->cpu_domain));
 
 	return domain;
 }
@@ -98,7 +100,7 @@
 {
 	asm volatile(
 	"mcr	p15, 0, %0, c3, c0	@ set domain"
-	  : : "r" (val));
+	  : : "r" (val) : "memory");
 	isb();
 }
 
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index d36a73d7..076777f 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -106,7 +106,7 @@
 struct pci_dev;
 struct pci_sys_data;
 
-extern void it8152_irq_demux(unsigned int irq, struct irq_desc *desc);
+extern void it8152_irq_demux(struct irq_desc *desc);
 extern void it8152_init_irq(void);
 extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
diff --git a/arch/arm/include/asm/hw_irq.h b/arch/arm/include/asm/hw_irq.h
index af79da4..9beb929 100644
--- a/arch/arm/include/asm/hw_irq.h
+++ b/arch/arm/include/asm/hw_irq.h
@@ -11,12 +11,6 @@
 	pr_crit("unexpected IRQ trap at vector %02x\n", irq);
 }
 
-void set_irq_flags(unsigned int irq, unsigned int flags);
-
-#define IRQF_VALID	(1 << 0)
-#define IRQF_PROBE	(1 << 1)
-#define IRQF_NOAUTOEN	(1 << 2)
-
 #define ARCH_IRQ_INIT_FLAGS	(IRQ_NOREQUEST | IRQ_NOPROBE)
 
 #endif
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index dcba0fa..c4072d9 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -29,21 +29,18 @@
 
 #define __KVM_HAVE_ARCH_INTC_INITIALIZED
 
-#if defined(CONFIG_KVM_ARM_MAX_VCPUS)
-#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
-#else
-#define KVM_MAX_VCPUS 0
-#endif
-
 #define KVM_USER_MEM_SLOTS 32
 #define KVM_PRIVATE_MEM_SLOTS 4
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
 #define KVM_HAVE_ONE_REG
+#define KVM_HALT_POLL_NS_DEFAULT 500000
 
 #define KVM_VCPU_MAX_FEATURES 2
 
 #include <kvm/arm_vgic.h>
 
+#define KVM_MAX_VCPUS VGIC_V2_MAX_CPUS
+
 u32 *kvm_vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num, u32 mode);
 int __attribute_const__ kvm_target_cpu(void);
 int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
@@ -148,6 +145,7 @@
 
 struct kvm_vcpu_stat {
 	u32 halt_successful_poll;
+	u32 halt_attempted_poll;
 	u32 halt_wakeup;
 };
 
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index 2092ee1..de4634b 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -23,10 +23,10 @@
 /*
  * This is for easy migration, but should be changed in the source
  */
-#define do_bad_IRQ(irq,desc)				\
+#define do_bad_IRQ(desc)				\
 do {							\
 	raw_spin_lock(&desc->lock);			\
-	handle_bad_irq(irq, desc);			\
+	handle_bad_irq(desc);				\
 	raw_spin_unlock(&desc->lock);			\
 } while(0)
 
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
index d0a1119..776757d 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -25,7 +25,6 @@
 struct task_struct;
 
 #include <asm/types.h>
-#include <asm/domain.h>
 
 typedef unsigned long mm_segment_t;
 
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 32640c4..7cba573 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -19,7 +19,7 @@
  * This may need to be greater than __NR_last_syscall+1 in order to
  * account for the padding in the syscall table
  */
-#define __NR_syscalls  (388)
+#define __NR_syscalls  (392)
 
 /*
  * *NOTE*: This is a ghost syscall private to the kernel.  Only the
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index 0c3f5a0..7a2a32a1 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -414,6 +414,8 @@
 #define __NR_memfd_create		(__NR_SYSCALL_BASE+385)
 #define __NR_bpf			(__NR_SYSCALL_BASE+386)
 #define __NR_execveat			(__NR_SYSCALL_BASE+387)
+#define __NR_userfaultfd		(__NR_SYSCALL_BASE+388)
+#define __NR_membarrier			(__NR_SYSCALL_BASE+389)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 05745eb..fde6c88 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -397,6 +397,8 @@
 /* 385 */	CALL(sys_memfd_create)
 		CALL(sys_bpf)
 		CALL(sys_execveat)
+		CALL(sys_userfaultfd)
+		CALL(sys_membarrier)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 5ff4826..2766183 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -79,26 +79,6 @@
 	handle_IRQ(irq, regs);
 }
 
-void set_irq_flags(unsigned int irq, unsigned int iflags)
-{
-	unsigned long clr = 0, set = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
-
-	if (irq >= nr_irqs) {
-		pr_err("Trying to set irq flags for IRQ%d\n", irq);
-		return;
-	}
-
-	if (iflags & IRQF_VALID)
-		clr |= IRQ_NOREQUEST;
-	if (iflags & IRQF_PROBE)
-		clr |= IRQ_NOPROBE;
-	if (!(iflags & IRQF_NOAUTOEN))
-		clr |= IRQ_NOAUTOEN;
-	/* Order is clear bits in "clr" then set bits in "set" */
-	irq_modify_status(irq, clr, set & ~clr);
-}
-EXPORT_SYMBOL_GPL(set_irq_flags);
-
 void __init init_IRQ(void)
 {
 	int ret;
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index a6ad93c..fd9eefc 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -259,15 +259,17 @@
 	if (err)
 		return err;
 
-	patch_text((void *)bpt->bpt_addr,
-		   *(unsigned int *)arch_kgdb_ops.gdb_bpt_instr);
+	/* Machine is already stopped, so we can use __patch_text() directly */
+	__patch_text((void *)bpt->bpt_addr,
+		     *(unsigned int *)arch_kgdb_ops.gdb_bpt_instr);
 
 	return err;
 }
 
 int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
 {
-	patch_text((void *)bpt->bpt_addr, *(unsigned int *)bpt->saved_instr);
+	/* Machine is already stopped, so we can use __patch_text() directly */
+	__patch_text((void *)bpt->bpt_addr, *(unsigned int *)bpt->saved_instr);
 
 	return 0;
 }
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index a3089ba..7a7c4ce 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -226,6 +226,7 @@
 
 	memset(&thread->cpu_context, 0, sizeof(struct cpu_context_save));
 
+#ifdef CONFIG_CPU_USE_DOMAINS
 	/*
 	 * Copy the initial value of the domain access control register
 	 * from the current thread: thread->addr_limit will have been
@@ -233,6 +234,7 @@
 	 * kernel/fork.c
 	 */
 	thread->cpu_domain = get_domain();
+#endif
 
 	if (likely(!(p->flags & PF_KTHREAD))) {
 		*childregs = *current_pt_regs();
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index b6cda06..7b8f214 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -343,15 +343,18 @@
 		 */
 		thumb = handler & 1;
 
-#if __LINUX_ARM_ARCH__ >= 7
 		/*
-		 * Clear the If-Then Thumb-2 execution state
-		 * ARM spec requires this to be all 000s in ARM mode
-		 * Snapdragon S4/Krait misbehaves on a Thumb=>ARM
-		 * signal transition without this.
+		 * Clear the If-Then Thumb-2 execution state.  ARM spec
+		 * requires this to be all 000s in ARM mode.  Snapdragon
+		 * S4/Krait misbehaves on a Thumb=>ARM signal transition
+		 * without this.
+		 *
+		 * We must do this whenever we are running on a Thumb-2
+		 * capable CPU, which includes ARMv6T2.  However, we elect
+		 * to always do this to simplify the code; this field is
+		 * marked UNK/SBZP for older architectures.
 		 */
 		cpsr &= ~PSR_IT_MASK;
-#endif
 
 		if (thumb) {
 			cpsr |= PSR_T_BIT;
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index bfb915d..210ecca 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -45,15 +45,4 @@
 	---help---
 	  Provides host support for ARM processors.
 
-config KVM_ARM_MAX_VCPUS
-	int "Number maximum supported virtual CPUs per VM"
-	depends on KVM_ARM_HOST
-	default 4
-	help
-	  Static number of max supported virtual CPUs per VM.
-
-	  If you choose a high number, the vcpu structures will be quite
-	  large, so only choose a reasonable number that you expect to
-	  actually use.
-
 endif # VIRTUALIZATION
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index ce404a5..dc017ad 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -446,7 +446,7 @@
 	 * Map the VGIC hardware resources before running a vcpu the first
 	 * time on this VM.
 	 */
-	if (unlikely(!vgic_ready(kvm))) {
+	if (unlikely(irqchip_in_kernel(kvm) && !vgic_ready(kvm))) {
 		ret = kvm_vgic_map_resources(kvm);
 		if (ret)
 			return ret;
diff --git a/arch/arm/kvm/interrupts_head.S b/arch/arm/kvm/interrupts_head.S
index 702740d..51a5950 100644
--- a/arch/arm/kvm/interrupts_head.S
+++ b/arch/arm/kvm/interrupts_head.S
@@ -515,8 +515,7 @@
 
 	mrc	p15, 0, r2, c14, c3, 1	@ CNTV_CTL
 	str	r2, [vcpu, #VCPU_TIMER_CNTV_CTL]
-	bic	r2, #1			@ Clear ENABLE
-	mcr	p15, 0, r2, c14, c3, 1	@ CNTV_CTL
+
 	isb
 
 	mrrc	p15, 3, rr_lo_hi(r2, r3), c14	@ CNTV_CVAL
@@ -529,6 +528,9 @@
 	mcrr	p15, 4, r2, r2, c14	@ CNTVOFF
 
 1:
+	mov	r2, #0			@ Clear ENABLE
+	mcr	p15, 0, r2, c14, c3, 1	@ CNTV_CTL
+
 	@ Allow physical timer/counter access for the host
 	mrc	p15, 4, r2, c14, c1, 0	@ CNTHCTL
 	orr	r2, r2, #(CNTHCTL_PL1PCEN | CNTHCTL_PL1PCTEN)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 7b42012..6984342 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1792,8 +1792,10 @@
 		if (vma->vm_flags & VM_PFNMAP) {
 			gpa_t gpa = mem->guest_phys_addr +
 				    (vm_start - mem->userspace_addr);
-			phys_addr_t pa = (vma->vm_pgoff << PAGE_SHIFT) +
-					 vm_start - vma->vm_start;
+			phys_addr_t pa;
+
+			pa = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT;
+			pa += vm_start - vma->vm_start;
 
 			/* IO region dirty page logging not allowed */
 			if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES)
diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c
index 4b94b51..ad6f642 100644
--- a/arch/arm/kvm/psci.c
+++ b/arch/arm/kvm/psci.c
@@ -126,7 +126,7 @@
 
 static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
 {
-	int i;
+	int i, matching_cpus = 0;
 	unsigned long mpidr;
 	unsigned long target_affinity;
 	unsigned long target_affinity_mask;
@@ -151,12 +151,16 @@
 	 */
 	kvm_for_each_vcpu(i, tmp, kvm) {
 		mpidr = kvm_vcpu_get_mpidr_aff(tmp);
-		if (((mpidr & target_affinity_mask) == target_affinity) &&
-		    !tmp->arch.pause) {
-			return PSCI_0_2_AFFINITY_LEVEL_ON;
+		if ((mpidr & target_affinity_mask) == target_affinity) {
+			matching_cpus++;
+			if (!tmp->arch.pause)
+				return PSCI_0_2_AFFINITY_LEVEL_ON;
 		}
 	}
 
+	if (!matching_cpus)
+		return PSCI_RET_INVALID_PARAMS;
+
 	return PSCI_0_2_AFFINITY_LEVEL_OFF;
 }
 
diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c
index 305d7c6..bfb3703 100644
--- a/arch/arm/mach-dove/irq.c
+++ b/arch/arm/mach-dove/irq.c
@@ -69,14 +69,14 @@
 	.irq_ack	= pmu_irq_ack,
 };
 
-static void pmu_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void pmu_irq_handler(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
 	unsigned long cause = readl(PMU_INTERRUPT_CAUSE);
+	unsigned int irq;
 
 	cause &= readl(PMU_INTERRUPT_MASK);
 	if (cause == 0) {
-		do_bad_IRQ(irq, desc);
+		do_bad_IRQ(desc);
 		return;
 	}
 
diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c
index 9bdf547..5697819 100644
--- a/arch/arm/mach-exynos/mcpm-exynos.c
+++ b/arch/arm/mach-exynos/mcpm-exynos.c
@@ -20,6 +20,7 @@
 #include <asm/cputype.h>
 #include <asm/cp15.h>
 #include <asm/mcpm.h>
+#include <asm/smp_plat.h>
 
 #include "regs-pmu.h"
 #include "common.h"
@@ -70,7 +71,31 @@
 		cluster >= EXYNOS5420_NR_CLUSTERS)
 		return -EINVAL;
 
-	exynos_cpu_power_up(cpunr);
+	if (!exynos_cpu_power_state(cpunr)) {
+		exynos_cpu_power_up(cpunr);
+
+		/*
+		 * This assumes the cluster number of the big cores(Cortex A15)
+		 * is 0 and the Little cores(Cortex A7) is 1.
+		 * When the system was booted from the Little core,
+		 * they should be reset during power up cpu.
+		 */
+		if (cluster &&
+		    cluster == MPIDR_AFFINITY_LEVEL(cpu_logical_map(0), 1)) {
+			/*
+			 * Before we reset the Little cores, we should wait
+			 * the SPARE2 register is set to 1 because the init
+			 * codes of the iROM will set the register after
+			 * initialization.
+			 */
+			while (!pmu_raw_readl(S5P_PMU_SPARE2))
+				udelay(10);
+
+			pmu_raw_writel(EXYNOS5420_KFC_CORE_RESET(cpu),
+					EXYNOS_SWRESET);
+		}
+	}
+
 	return 0;
 }
 
diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h
index b761433..fba9068 100644
--- a/arch/arm/mach-exynos/regs-pmu.h
+++ b/arch/arm/mach-exynos/regs-pmu.h
@@ -513,6 +513,12 @@
 #define SPREAD_ENABLE						0xF
 #define SPREAD_USE_STANDWFI					0xF
 
+#define EXYNOS5420_KFC_CORE_RESET0				BIT(8)
+#define EXYNOS5420_KFC_ETM_RESET0				BIT(20)
+
+#define EXYNOS5420_KFC_CORE_RESET(_nr)				\
+	((EXYNOS5420_KFC_CORE_RESET0 | EXYNOS5420_KFC_ETM_RESET0) << (_nr))
+
 #define EXYNOS5420_BB_CON1					0x0784
 #define EXYNOS5420_BB_SEL_EN					BIT(31)
 #define EXYNOS5420_BB_PMOS_EN					BIT(7)
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c
index fcd79bc..c01fca1 100644
--- a/arch/arm/mach-footbridge/isa-irq.c
+++ b/arch/arm/mach-footbridge/isa-irq.c
@@ -87,13 +87,12 @@
 	.irq_unmask	= isa_unmask_pic_hi_irq,
 };
 
-static void
-isa_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void isa_irq_handler(struct irq_desc *desc)
 {
 	unsigned int isa_irq = *(unsigned char *)PCIIACK_BASE;
 
 	if (isa_irq < _ISA_IRQ(0) || isa_irq >= _ISA_IRQ(16)) {
-		do_bad_IRQ(isa_irq, desc);
+		do_bad_IRQ(desc);
 		return;
 	}
 
diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c
index 220333e..2478d9f 100644
--- a/arch/arm/mach-gemini/gpio.c
+++ b/arch/arm/mach-gemini/gpio.c
@@ -126,7 +126,7 @@
 	return 0;
 }
 
-static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void gpio_irq_handler(struct irq_desc *desc)
 {
 	unsigned int port = (unsigned int)irq_desc_get_handler_data(desc);
 	unsigned int gpio_irq_no, irq_stat;
diff --git a/arch/arm/mach-imx/3ds_debugboard.c b/arch/arm/mach-imx/3ds_debugboard.c
index 45903be..16496a0 100644
--- a/arch/arm/mach-imx/3ds_debugboard.c
+++ b/arch/arm/mach-imx/3ds_debugboard.c
@@ -85,7 +85,7 @@
 	.resource = smsc911x_resources,
 };
 
-static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mxc_expio_irq_handler(struct irq_desc *desc)
 {
 	u32 imr_val;
 	u32 int_valid;
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index 2c08535..2b147e4 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -154,7 +154,7 @@
 	imx31_add_imx_uart0(&uart_pdata);
 }
 
-static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mx31ads_expio_irq_handler(struct irq_desc *desc)
 {
 	u32 imr_val;
 	u32 int_valid;
diff --git a/arch/arm/mach-iop13xx/msi.c b/arch/arm/mach-iop13xx/msi.c
index 9f89e76..f6235b2 100644
--- a/arch/arm/mach-iop13xx/msi.c
+++ b/arch/arm/mach-iop13xx/msi.c
@@ -91,7 +91,7 @@
 	write_imipr_3,
 };
 
-static void iop13xx_msi_handler(unsigned int irq, struct irq_desc *desc)
+static void iop13xx_msi_handler(struct irq_desc *desc)
 {
 	int i, j;
 	unsigned long status;
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index cce4cef..2ae431e 100644
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -370,7 +370,7 @@
 	.irq_set_wake = lpc32xx_irq_wake
 };
 
-static void lpc32xx_sic1_handler(unsigned int irq, struct irq_desc *desc)
+static void lpc32xx_sic1_handler(struct irq_desc *desc)
 {
 	unsigned long ints = __raw_readl(LPC32XX_INTC_STAT(LPC32XX_SIC1_BASE));
 
@@ -383,7 +383,7 @@
 	}
 }
 
-static void lpc32xx_sic2_handler(unsigned int irq, struct irq_desc *desc)
+static void lpc32xx_sic2_handler(struct irq_desc *desc)
 {
 	unsigned long ints = __raw_readl(LPC32XX_INTC_STAT(LPC32XX_SIC2_BASE));
 
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
index 6373e2b..842302d 100644
--- a/arch/arm/mach-netx/generic.c
+++ b/arch/arm/mach-netx/generic.c
@@ -69,8 +69,7 @@
 #define DEBUG_IRQ(fmt...)	while (0) {}
 #endif
 
-static void
-netx_hif_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
+static void netx_hif_demux_handler(struct irq_desc *desc)
 {
 	unsigned int irq = NETX_IRQ_HIF_CHAINED(0);
 	unsigned int stat;
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index dfec671..39e20d0 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -87,7 +87,7 @@
 	fpga_ack_irq(d);
 }
 
-static void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc)
+static void innovator_fpga_IRQ_demux(struct irq_desc *desc)
 {
 	u32 stat;
 	int fpga_irq;
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 07d2e10..b3a0dff 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -44,10 +44,11 @@
 	select ARM_CPU_SUSPEND if PM
 	select ARM_GIC
 	select HAVE_ARM_SCU if SMP
-	select HAVE_ARM_TWD if SMP
 	select HAVE_ARM_ARCH_TIMER
 	select ARM_ERRATA_798181 if SMP
+	select OMAP_INTERCONNECT
 	select OMAP_INTERCONNECT_BARRIER
+	select PM_OPP if PM
 
 config SOC_AM33XX
 	bool "TI AM33XX"
@@ -70,10 +71,13 @@
 	select ARCH_OMAP2PLUS
 	select ARM_CPU_SUSPEND if PM
 	select ARM_GIC
+	select HAVE_ARM_SCU if SMP
 	select HAVE_ARM_ARCH_TIMER
 	select IRQ_CROSSBAR
 	select ARM_ERRATA_798181 if SMP
+	select OMAP_INTERCONNECT
 	select OMAP_INTERCONNECT_BARRIER
+	select PM_OPP if PM
 
 config ARCH_OMAP2PLUS
 	bool
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 24c9afc..6133eaa 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -20,13 +20,6 @@
 
 #include "common.h"
 
-#if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
-#define intc_of_init	NULL
-#endif
-#ifndef CONFIG_ARCH_OMAP4
-#define gic_of_init		NULL
-#endif
-
 static const struct of_device_id omap_dt_match_table[] __initconst = {
 	{ .compatible = "simple-bus", },
 	{ .compatible = "ti,omap-infra", },
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index e3f713f..54a5ba54 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -653,8 +653,12 @@
 			omap_revision = DRA752_REV_ES1_0;
 			break;
 		case 1:
-		default:
 			omap_revision = DRA752_REV_ES1_1;
+			break;
+		case 2:
+		default:
+			omap_revision = DRA752_REV_ES2_0;
+			break;
 		}
 		break;
 
@@ -674,7 +678,7 @@
 		/* Unknown default to latest silicon rev as default*/
 		pr_warn("%s: unknown idcode=0x%08x (hawkeye=0x%08x,rev=0x%x)\n",
 			__func__, idcode, hawkeye, rev);
-		omap_revision = DRA752_REV_ES1_1;
+		omap_revision = DRA752_REV_ES2_0;
 	}
 
 	sprintf(soc_name, "DRA%03x", omap_rev() >> 16);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 980c937..3eaeaca 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -676,6 +676,7 @@
 void __init am43xx_init_late(void)
 {
 	omap_common_late_init();
+	omap2_clk_enable_autoidle_all();
 }
 #endif
 
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index 4cb8fd9..72ebc4c 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -901,7 +901,8 @@
 		if (od->hwmods[i]->flags & HWMOD_INIT_NO_IDLE)
 			return 0;
 
-	if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER) {
+	if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER &&
+	    od->_driver_status != BUS_NOTIFY_BIND_DRIVER) {
 		if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
 			dev_warn(dev, "%s: enabled but no driver.  Idling\n",
 				 __func__);
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 425bfcd..b668719 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -103,7 +103,8 @@
 #define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD	(1 << 0)
 #define PM_OMAP4_CPU_OSWR_DISABLE		(1 << 1)
 
-#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
+#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\
+	   defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
 extern u16 pm44xx_errata;
 #define IS_PM44XX_ERRATUM(id)		(pm44xx_errata & (id))
 #else
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 257e98c..3fc2cbe 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -102,7 +102,7 @@
  * dispatched accordingly. Clearing of the wakeup events should be
  * done by the SoC specific individual handlers.
  */
-static void omap_prcm_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void omap_prcm_irq_handler(struct irq_desc *desc)
 {
 	unsigned long pending[OMAP_PRCM_MAX_NR_PENDING_REG];
 	unsigned long priority_pending[OMAP_PRCM_MAX_NR_PENDING_REG];
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index f97654d..2d1d384 100644
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -469,6 +469,8 @@
 #define DRA7XX_CLASS		0x07000000
 #define DRA752_REV_ES1_0	(DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
 #define DRA752_REV_ES1_1	(DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
+#define DRA752_REV_ES2_0	(DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8))
+#define DRA722_REV_ES1_0	(DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
 #define DRA722_REV_ES1_0	(DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
 
 void omap2xxx_check_revision(void);
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index e4d8701..a556551 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -297,12 +297,8 @@
 	if (IS_ERR(src))
 		return PTR_ERR(src);
 
-	r = clk_set_parent(timer->fclk, src);
-	if (r < 0) {
-		pr_warn("%s: %s cannot set source\n", __func__, oh->name);
-		clk_put(src);
-		return r;
-	}
+	WARN(clk_set_parent(timer->fclk, src) < 0,
+	     "Cannot set timer parent clock, no PLL clock driver?");
 
 	clk_put(src);
 
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index e5a35f6..d44d311 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -300,7 +300,7 @@
 
 	val = voltdm->read(OMAP3_PRM_POLCTRL_OFFSET);
 	if (!(val & OMAP3430_PRM_POLCTRL_CLKREQ_POL) ||
-	    (val & OMAP3430_PRM_POLCTRL_CLKREQ_POL)) {
+	    (val & OMAP3430_PRM_POLCTRL_OFFMODE_POL)) {
 		val |= OMAP3430_PRM_POLCTRL_CLKREQ_POL;
 		val &= ~OMAP3430_PRM_POLCTRL_OFFMODE_POL;
 		pr_debug("PM: fixing sys_clkreq and sys_off_mode polarity to 0x%x\n",
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 70366b3..a727282 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -496,13 +496,13 @@
 	.irq_unmask	= balloon3_unmask_irq,
 };
 
-static void balloon3_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void balloon3_irq_handler(struct irq_desc *desc)
 {
 	unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
 					balloon3_irq_enabled;
 	do {
 		struct irq_data *d = irq_desc_get_irq_data(desc);
-		struct irq_chip *chip = irq_data_get_chip(d);
+		struct irq_chip *chip = irq_desc_get_chip(desc);
 		unsigned int irq;
 
 		/* clear useless edge notification */
diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c
index 1fa79f1..3221ae1 100644
--- a/arch/arm/mach-pxa/cm-x2xx-pci.c
+++ b/arch/arm/mach-pxa/cm-x2xx-pci.c
@@ -29,13 +29,12 @@
 void __iomem *it8152_base_address;
 static int cmx2xx_it8152_irq_gpio;
 
-static void cmx2xx_it8152_irq_demux(unsigned int __irq, struct irq_desc *desc)
+static void cmx2xx_it8152_irq_demux(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
 	/* clear our parent irq */
 	desc->irq_data.chip->irq_ack(&desc->irq_data);
 
-	it8152_irq_demux(irq, desc);
+	it8152_irq_demux(desc);
 }
 
 void __cmx2xx_pci_init_irq(int irq_gpio)
diff --git a/arch/arm/mach-pxa/include/mach/addr-map.h b/arch/arm/mach-pxa/include/mach/addr-map.h
index d28fe29..07b93fd 100644
--- a/arch/arm/mach-pxa/include/mach/addr-map.h
+++ b/arch/arm/mach-pxa/include/mach/addr-map.h
@@ -44,6 +44,13 @@
  */
 
 /*
+ * DFI Bus for NAND, PXA3xx only
+ */
+#define NAND_PHYS		0x43100000
+#define NAND_VIRT		IOMEM(0xf6300000)
+#define NAND_SIZE		0x00100000
+
+/*
  * Internal Memory Controller (PXA27x and later)
  */
 #define IMEMC_PHYS		0x58000000
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index b070167..4823d97 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -120,7 +120,7 @@
 	.irq_unmask	= lpd270_unmask_irq,
 };
 
-static void lpd270_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void lpd270_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq;
 	unsigned long pending;
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index 9a0c8af..d8319b5 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -284,7 +284,7 @@
 	.irq_unmask	= pcm990_unmask_irq,
 };
 
-static void pcm990_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void pcm990_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq;
 	unsigned long pending;
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index ce0f8d6..06005d3 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -47,6 +47,13 @@
 #define ISRAM_START	0x5c000000
 #define ISRAM_SIZE	SZ_256K
 
+/*
+ * NAND NFC: DFI bus arbitration subset
+ */
+#define NDCR			(*(volatile u32 __iomem*)(NAND_VIRT + 0))
+#define NDCR_ND_ARB_EN		(1 << 12)
+#define NDCR_ND_ARB_CNTL	(1 << 19)
+
 static void __iomem *sram;
 static unsigned long wakeup_src;
 
@@ -362,7 +369,12 @@
 		.pfn		= __phys_to_pfn(PXA3XX_SMEMC_BASE),
 		.length		= SMEMC_SIZE,
 		.type		= MT_DEVICE
-	}
+	}, {
+		.virtual	= (unsigned long)NAND_VIRT,
+		.pfn		= __phys_to_pfn(NAND_PHYS),
+		.length		= NAND_SIZE,
+		.type		= MT_DEVICE
+	},
 };
 
 void __init pxa3xx_map_io(void)
@@ -419,6 +431,13 @@
 		 */
 		ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S);
 
+		/*
+		 * Disable DFI bus arbitration, to prevent a system bus lock if
+		 * somebody disables the NAND clock (unused clock) while this
+		 * bit remains set.
+		 */
+		NDCR = (NDCR & ~NDCR_ND_ARB_EN) | NDCR_ND_ARB_CNTL;
+
 		if ((ret = pxa_init_dma(IRQ_DMA, 32)))
 			return ret;
 
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 4841d6c..8ab2637 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -276,7 +276,7 @@
 			viper_irq_enabled_mask;
 }
 
-static void viper_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void viper_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq;
 	unsigned long pending;
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 6f94dd7..30e62a3 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -105,7 +105,7 @@
 	return __raw_readw(ZEUS_CPLD_ISA_IRQ) & zeus_irq_enabled_mask;
 }
 
-static void zeus_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void zeus_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq;
 	unsigned long pending;
diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c
index f726d4c..dc67a7f 100644
--- a/arch/arm/mach-rpc/ecard.c
+++ b/arch/arm/mach-rpc/ecard.c
@@ -551,8 +551,7 @@
 	}
 }
 
-static void
-ecard_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ecard_irq_handler(struct irq_desc *desc)
 {
 	ecard_t *ec;
 	int called = 0;
diff --git a/arch/arm/mach-s3c24xx/bast-irq.c b/arch/arm/mach-s3c24xx/bast-irq.c
index ced1ab86..2bb0896 100644
--- a/arch/arm/mach-s3c24xx/bast-irq.c
+++ b/arch/arm/mach-s3c24xx/bast-irq.c
@@ -100,9 +100,7 @@
 	.irq_ack	= bast_pc104_maskack
 };
 
-static void
-bast_irq_pc104_demux(unsigned int irq,
-		     struct irq_desc *desc)
+static void bast_irq_pc104_demux(struct irq_desc *desc)
 {
 	unsigned int stat;
 	unsigned int irqno;
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index fd63ecf..ddb30b8 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -388,22 +388,22 @@
 	}
 }
 
-static void s3c_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint0_3(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(0, 3);
 }
 
-static void s3c_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint4_11(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(4, 11);
 }
 
-static void s3c_irq_demux_eint12_19(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint12_19(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(12, 19);
 }
 
-static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint20_27(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(20, 27);
 }
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 6d237b4..8411985 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -166,7 +166,7 @@
  * ensure that the IRQ signal is deasserted before returning.  This
  * is rather unfortunate.
  */
-static void neponset_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void neponset_irq_handler(struct irq_desc *desc)
 {
 	struct neponset_drvdata *d = irq_desc_get_handler_data(desc);
 	unsigned int irr;
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 9769f1e..00b7f7d 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -365,15 +365,21 @@
  user:
 	if (LDST_L_BIT(instr)) {
 		unsigned long val;
+		unsigned int __ua_flags = uaccess_save_and_enable();
+
 		get16t_unaligned_check(val, addr);
+		uaccess_restore(__ua_flags);
 
 		/* signed half-word? */
 		if (instr & 0x40)
 			val = (signed long)((signed short) val);
 
 		regs->uregs[rd] = val;
-	} else
+	} else {
+		unsigned int __ua_flags = uaccess_save_and_enable();
 		put16t_unaligned_check(regs->uregs[rd], addr);
+		uaccess_restore(__ua_flags);
+	}
 
 	return TYPE_LDST;
 
@@ -420,14 +426,21 @@
 
  user:
 	if (load) {
-		unsigned long val;
+		unsigned long val, val2;
+		unsigned int __ua_flags = uaccess_save_and_enable();
+
 		get32t_unaligned_check(val, addr);
+		get32t_unaligned_check(val2, addr + 4);
+
+		uaccess_restore(__ua_flags);
+
 		regs->uregs[rd] = val;
-		get32t_unaligned_check(val, addr + 4);
-		regs->uregs[rd2] = val;
+		regs->uregs[rd2] = val2;
 	} else {
+		unsigned int __ua_flags = uaccess_save_and_enable();
 		put32t_unaligned_check(regs->uregs[rd], addr);
 		put32t_unaligned_check(regs->uregs[rd2], addr + 4);
+		uaccess_restore(__ua_flags);
 	}
 
 	return TYPE_LDST;
@@ -458,10 +471,15 @@
  trans:
 	if (LDST_L_BIT(instr)) {
 		unsigned int val;
+		unsigned int __ua_flags = uaccess_save_and_enable();
 		get32t_unaligned_check(val, addr);
+		uaccess_restore(__ua_flags);
 		regs->uregs[rd] = val;
-	} else
+	} else {
+		unsigned int __ua_flags = uaccess_save_and_enable();
 		put32t_unaligned_check(regs->uregs[rd], addr);
+		uaccess_restore(__ua_flags);
+	}
 	return TYPE_LDST;
 
  fault:
@@ -531,6 +549,7 @@
 #endif
 
 	if (user_mode(regs)) {
+		unsigned int __ua_flags = uaccess_save_and_enable();
 		for (regbits = REGMASK_BITS(instr), rd = 0; regbits;
 		     regbits >>= 1, rd += 1)
 			if (regbits & 1) {
@@ -542,6 +561,7 @@
 					put32t_unaligned_check(regs->uregs[rd], eaddr);
 				eaddr += 4;
 			}
+		uaccess_restore(__ua_flags);
 	} else {
 		for (regbits = REGMASK_BITS(instr), rd = 0; regbits;
 		     regbits >>= 1, rd += 1)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e626043..1a7815e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1249,7 +1249,7 @@
 	struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev);
 	unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
 	dma_addr_t dma_addr, iova;
-	int i, ret = DMA_ERROR_CODE;
+	int i;
 
 	dma_addr = __alloc_iova(mapping, size);
 	if (dma_addr == DMA_ERROR_CODE)
@@ -1257,6 +1257,8 @@
 
 	iova = dma_addr;
 	for (i = 0; i < count; ) {
+		int ret;
+
 		unsigned int next_pfn = page_to_pfn(pages[i]) + 1;
 		phys_addr_t phys = page_to_phys(pages[i]);
 		unsigned int len, j;
diff --git a/arch/arm/nwfpe/entry.S b/arch/arm/nwfpe/entry.S
index 71df435..39c20af 100644
--- a/arch/arm/nwfpe/entry.S
+++ b/arch/arm/nwfpe/entry.S
@@ -95,9 +95,10 @@
 	reteq	r4			@ no, return failure
 
 next:
+	uaccess_enable r3
 .Lx1:	ldrt	r6, [r5], #4		@ get the next instruction and
 					@ increment PC
-
+	uaccess_disable r3
 	and	r2, r6, #0x0F000000	@ test for FP insns
 	teq	r2, #0x0C000000
 	teqne	r2, #0x0D000000
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index 79c33ec..7bd22d8 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -407,7 +407,7 @@
 	return 0;
 }
 
-static void gpio_irq_handler(unsigned __irq, struct irq_desc *desc)
+static void gpio_irq_handler(struct irq_desc *desc)
 {
 	struct orion_gpio_chip *ochip = irq_desc_get_handler_data(desc);
 	u32 cause, type;
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index ad9529c..daa1a65 100644
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -107,7 +107,6 @@
 	{ .compatible = "mvrl,pxa168-ssp",	.data = (void *) PXA168_SSP },
 	{ .compatible = "mrvl,pxa910-ssp",	.data = (void *) PXA910_SSP },
 	{ .compatible = "mrvl,ce4100-ssp",	.data = (void *) CE4100_SSP },
-	{ .compatible = "mrvl,lpss-ssp",	.data = (void *) LPSS_SSP },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, pxa_ssp_of_ids);
diff --git a/arch/arm/xen/hypercall.S b/arch/arm/xen/hypercall.S
index f00e080..10fd99c 100644
--- a/arch/arm/xen/hypercall.S
+++ b/arch/arm/xen/hypercall.S
@@ -98,8 +98,23 @@
 	mov r1, r2
 	mov r2, r3
 	ldr r3, [sp, #8]
+	/*
+	 * Privcmd calls are issued by the userspace. We need to allow the
+	 * kernel to access the userspace memory before issuing the hypercall.
+	 */
+	uaccess_enable r4
+
+	/* r4 is loaded now as we use it as scratch register before */
 	ldr r4, [sp, #4]
 	__HVC(XEN_IMM)
+
+	/*
+	 * Disable userspace access from kernel. This is fine to do it
+	 * unconditionally as no set_fs(KERNEL_DS)/set_fs(get_ds()) is
+	 * called before.
+	 */
+	uaccess_disable r4
+
 	ldm sp!, {r4}
 	ret lr
 ENDPROC(privcmd_call);
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7d95663..07d1811 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -32,6 +32,7 @@
 	select GENERIC_CLOCKEVENTS_BROADCAST
 	select GENERIC_CPU_AUTOPROBE
 	select GENERIC_EARLY_IOREMAP
+	select GENERIC_IDLE_POLL_SETUP
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_IRQ_SHOW_LEVEL
@@ -331,6 +332,22 @@
 
 	  If unsure, say Y.
 
+config ARM64_ERRATUM_843419
+	bool "Cortex-A53: 843419: A load or store might access an incorrect address"
+	depends on MODULES
+	default y
+	help
+	  This option builds kernel modules using the large memory model in
+	  order to avoid the use of the ADRP instruction, which can cause
+	  a subsequent memory access to use an incorrect address on Cortex-A53
+	  parts up to r0p4.
+
+	  Note that the kernel itself must be linked with a version of ld
+	  which fixes potentially affected ADRP instructions through the
+	  use of veneers.
+
+	  If unsure, say Y.
+
 endmenu
 
 
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 15ff5b4..f9914d7 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -41,6 +41,10 @@
 
 CHECKFLAGS	+= -D__aarch64__
 
+ifeq ($(CONFIG_ARM64_ERRATUM_843419), y)
+CFLAGS_MODULE	+= -mcmodel=large
+endif
+
 # Default value
 head-y		:= arch/arm64/kernel/head.o
 
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index 4be66ca..811cb76 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -387,6 +387,24 @@
 	};
 };
 
+&pio {
+	spi_pins_a: spi0 {
+		pins_spi {
+			pinmux = <MT8173_PIN_69_SPI_CK__FUNC_SPI_CK_0_>,
+				<MT8173_PIN_70_SPI_MI__FUNC_SPI_MI_0_>,
+				<MT8173_PIN_71_SPI_MO__FUNC_SPI_MO_0_>,
+				<MT8173_PIN_72_SPI_CS__FUNC_SPI_CS_0_>;
+		};
+	};
+};
+
+&spi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_pins_a>;
+	mediatek,pad-select = <0>;
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index d18ee42..4dd5f93 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -81,7 +81,7 @@
 		};
 
 		idle-states {
-			entry-method = "arm,psci";
+			entry-method = "psci";
 
 			CPU_SLEEP_0: cpu-sleep-0 {
 				compatible = "arm,idle-state";
@@ -116,6 +116,13 @@
 		clock-output-names = "clk32k";
 	};
 
+	cpum_ck: oscillator@2 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+		clock-output-names = "cpum_ck";
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;
@@ -227,8 +234,10 @@
 			#power-domain-cells = <1>;
 			reg = <0 0x10006000 0 0x1000>;
 			clocks = <&clk26m>,
-				 <&topckgen CLK_TOP_MM_SEL>;
-			clock-names = "mfg", "mm";
+				 <&topckgen CLK_TOP_MM_SEL>,
+				 <&topckgen CLK_TOP_VENC_SEL>,
+				 <&topckgen CLK_TOP_VENC_LT_SEL>;
+			clock-names = "mfg", "mm", "venc", "venc_lt";
 			infracfg = <&infracfg>;
 		};
 
@@ -365,7 +374,20 @@
 			status = "disabled";
 		};
 
-		i2c3: i2c3@11010000 {
+		spi: spi@1100a000 {
+			compatible = "mediatek,mt8173-spi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0x1100a000 0 0x1000>;
+			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
+				 <&topckgen CLK_TOP_SPI_SEL>,
+				 <&pericfg CLK_PERI_SPI0>;
+			clock-names = "parent-clk", "sel-clk", "spi-clk";
+			status = "disabled";
+		};
+
+		i2c3: i2c@11010000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11010000 0 0x70>,
 			      <0 0x11000280 0 0x80>;
@@ -381,7 +403,7 @@
 			status = "disabled";
 		};
 
-		i2c4: i2c4@11011000 {
+		i2c4: i2c@11011000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11011000 0 0x70>,
 			      <0 0x11000300 0 0x80>;
@@ -397,7 +419,7 @@
 			status = "disabled";
 		};
 
-		i2c6: i2c6@11013000 {
+		i2c6: i2c@11013000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11013000 0 0x70>,
 			      <0 0x11000080 0 0x80>;
@@ -487,6 +509,36 @@
 			clock-names = "source", "hclk";
 			status = "disabled";
 		};
+
+		mmsys: clock-controller@14000000 {
+			compatible = "mediatek,mt8173-mmsys", "syscon";
+			reg = <0 0x14000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		imgsys: clock-controller@15000000 {
+			compatible = "mediatek,mt8173-imgsys", "syscon";
+			reg = <0 0x15000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		vdecsys: clock-controller@16000000 {
+			compatible = "mediatek,mt8173-vdecsys", "syscon";
+			reg = <0 0x16000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		vencsys: clock-controller@18000000 {
+			compatible = "mediatek,mt8173-vencsys", "syscon";
+			reg = <0 0x18000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		vencltsys: clock-controller@19000000 {
+			compatible = "mediatek,mt8173-vencltsys", "syscon";
+			reg = <0 0x19000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
 	};
 };
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index a712bea..cc093a4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -106,7 +106,7 @@
 		};
 
 		idle-states {
-			entry-method = "arm,psci";
+			entry-method = "psci";
 
 			cpu_sleep: cpu-sleep-0 {
 				compatible = "arm,idle-state";
diff --git a/arch/arm64/include/asm/hardirq.h b/arch/arm64/include/asm/hardirq.h
index 2bb7009..a57601f 100644
--- a/arch/arm64/include/asm/hardirq.h
+++ b/arch/arm64/include/asm/hardirq.h
@@ -43,9 +43,4 @@
 	irq_err_count++;
 }
 
-/*
- * No arch-specific IRQ flags.
- */
-#define set_irq_flags(irq, flags)
-
 #endif /* __ASM_HARDIRQ_H */
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 7605e09..9694f26 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -95,6 +95,7 @@
 			 SCTLR_EL2_SA | SCTLR_EL2_I)
 
 /* TCR_EL2 Registers bits */
+#define TCR_EL2_RES1	((1 << 31) | (1 << 23))
 #define TCR_EL2_TBI	(1 << 20)
 #define TCR_EL2_PS	(7 << 16)
 #define TCR_EL2_PS_40B	(2 << 16)
@@ -106,9 +107,10 @@
 #define TCR_EL2_MASK	(TCR_EL2_TG0 | TCR_EL2_SH0 | \
 			 TCR_EL2_ORGN0 | TCR_EL2_IRGN0 | TCR_EL2_T0SZ)
 
-#define TCR_EL2_FLAGS	(TCR_EL2_PS_40B)
+#define TCR_EL2_FLAGS	(TCR_EL2_RES1 | TCR_EL2_PS_40B)
 
 /* VTCR_EL2 Registers bits */
+#define VTCR_EL2_RES1		(1 << 31)
 #define VTCR_EL2_PS_MASK	(7 << 16)
 #define VTCR_EL2_TG0_MASK	(1 << 14)
 #define VTCR_EL2_TG0_4K		(0 << 14)
@@ -147,7 +149,8 @@
  */
 #define VTCR_EL2_FLAGS		(VTCR_EL2_TG0_64K | VTCR_EL2_SH0_INNER | \
 				 VTCR_EL2_ORGN0_WBWA | VTCR_EL2_IRGN0_WBWA | \
-				 VTCR_EL2_SL0_LVL1 | VTCR_EL2_T0SZ_40B)
+				 VTCR_EL2_SL0_LVL1 | VTCR_EL2_T0SZ_40B | \
+				 VTCR_EL2_RES1)
 #define VTTBR_X		(38 - VTCR_EL2_T0SZ_40B)
 #else
 /*
@@ -158,7 +161,8 @@
  */
 #define VTCR_EL2_FLAGS		(VTCR_EL2_TG0_4K | VTCR_EL2_SH0_INNER | \
 				 VTCR_EL2_ORGN0_WBWA | VTCR_EL2_IRGN0_WBWA | \
-				 VTCR_EL2_SL0_LVL1 | VTCR_EL2_T0SZ_40B)
+				 VTCR_EL2_SL0_LVL1 | VTCR_EL2_T0SZ_40B | \
+				 VTCR_EL2_RES1)
 #define VTTBR_X		(37 - VTCR_EL2_T0SZ_40B)
 #endif
 
@@ -168,7 +172,6 @@
 #define VTTBR_VMID_MASK	  (UL(0xFF) << VTTBR_VMID_SHIFT)
 
 /* Hyp System Trap Register */
-#define HSTR_EL2_TTEE	(1 << 16)
 #define HSTR_EL2_T(x)	(1 << x)
 
 /* Hyp Coproccessor Trap Register Shifts */
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 67fa0de..5e37710 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -53,9 +53,7 @@
 #define	IFSR32_EL2	25	/* Instruction Fault Status Register */
 #define	FPEXC32_EL2	26	/* Floating-Point Exception Control Register */
 #define	DBGVCR32_EL2	27	/* Debug Vector Catch Register */
-#define	TEECR32_EL1	28	/* ThumbEE Configuration Register */
-#define	TEEHBR32_EL1	29	/* ThumbEE Handler Base Register */
-#define	NR_SYS_REGS	30
+#define	NR_SYS_REGS	28
 
 /* 32bit mapping */
 #define c0_MPIDR	(MPIDR_EL1 * 2)	/* MultiProcessor ID Register */
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 415938d..ed03968 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -30,19 +30,16 @@
 
 #define __KVM_HAVE_ARCH_INTC_INITIALIZED
 
-#if defined(CONFIG_KVM_ARM_MAX_VCPUS)
-#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
-#else
-#define KVM_MAX_VCPUS 0
-#endif
-
 #define KVM_USER_MEM_SLOTS 32
 #define KVM_PRIVATE_MEM_SLOTS 4
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_HALT_POLL_NS_DEFAULT 500000
 
 #include <kvm/arm_vgic.h>
 #include <kvm/arm_arch_timer.h>
 
+#define KVM_MAX_VCPUS VGIC_V3_MAX_CPUS
+
 #define KVM_VCPU_MAX_FEATURES 3
 
 int __attribute_const__ kvm_target_cpu(void);
@@ -195,6 +192,7 @@
 
 struct kvm_vcpu_stat {
 	u32 halt_successful_poll;
+	u32 halt_attempted_poll;
 	u32 halt_wakeup;
 };
 
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 6900b2d9..26b0666 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -26,13 +26,9 @@
  * Software defined PTE bits definition.
  */
 #define PTE_VALID		(_AT(pteval_t, 1) << 0)
+#define PTE_WRITE		(PTE_DBM)		 /* same as DBM (51) */
 #define PTE_DIRTY		(_AT(pteval_t, 1) << 55)
 #define PTE_SPECIAL		(_AT(pteval_t, 1) << 56)
-#ifdef CONFIG_ARM64_HW_AFDBM
-#define PTE_WRITE		(PTE_DBM)		 /* same as DBM */
-#else
-#define PTE_WRITE		(_AT(pteval_t, 1) << 57)
-#endif
 #define PTE_PROT_NONE		(_AT(pteval_t, 1) << 58) /* only when !PTE_VALID */
 
 /*
@@ -83,7 +79,7 @@
 #define PAGE_S2			__pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_NORMAL) | PTE_S2_RDONLY)
 #define PAGE_S2_DEVICE		__pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_DEVICE_nGnRE) | PTE_S2_RDONLY | PTE_UXN)
 
-#define PAGE_NONE		__pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE | PTE_PXN | PTE_UXN)
+#define PAGE_NONE		__pgprot(((_PAGE_DEFAULT) & ~PTE_VALID) | PTE_PROT_NONE | PTE_PXN | PTE_UXN)
 #define PAGE_SHARED		__pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
 #define PAGE_SHARED_EXEC	__pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_WRITE)
 #define PAGE_COPY		__pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
@@ -146,7 +142,7 @@
 #define pte_exec(pte)		(!(pte_val(pte) & PTE_UXN))
 
 #ifdef CONFIG_ARM64_HW_AFDBM
-#define pte_hw_dirty(pte)	(!(pte_val(pte) & PTE_RDONLY))
+#define pte_hw_dirty(pte)	(pte_write(pte) && !(pte_val(pte) & PTE_RDONLY))
 #else
 #define pte_hw_dirty(pte)	(0)
 #endif
@@ -238,7 +234,7 @@
  * When hardware DBM is not present, the sofware PTE_DIRTY bit is updated via
  * the page fault mechanism. Checking the dirty status of a pte becomes:
  *
- *   PTE_DIRTY || !PTE_RDONLY
+ *   PTE_DIRTY || (PTE_WRITE && !PTE_RDONLY)
  */
 static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 			      pte_t *ptep, pte_t pte)
@@ -500,10 +496,10 @@
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
 	const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY |
-			      PTE_PROT_NONE | PTE_WRITE | PTE_TYPE_MASK;
+			      PTE_PROT_NONE | PTE_VALID | PTE_WRITE;
 	/* preserve the hardware dirty information */
 	if (pte_hw_dirty(pte))
-		newprot |= PTE_DIRTY;
+		pte = pte_mkdirty(pte);
 	pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
 	return pte;
 }
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 9b3b62a..253021e 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -134,7 +134,7 @@
 				    unsigned long action, void *data)
 {
 	int cpu = (unsigned long)data;
-	if (action == CPU_ONLINE)
+	if ((action & ~CPU_TASKS_FROZEN) == CPU_ONLINE)
 		smp_call_function_single(cpu, clear_os_lock, NULL, 1);
 	return NOTIFY_OK;
 }
@@ -201,7 +201,7 @@
 }
 
 /*
- * Call registered single step handers
+ * Call registered single step handlers
  * There is no Syndrome info to check for determining the handler.
  * So we call all the registered handlers, until the right handler is
  * found which returns zero.
@@ -271,20 +271,21 @@
  * Use reader/writer locks instead of plain spinlock.
  */
 static LIST_HEAD(break_hook);
-static DEFINE_RWLOCK(break_hook_lock);
+static DEFINE_SPINLOCK(break_hook_lock);
 
 void register_break_hook(struct break_hook *hook)
 {
-	write_lock(&break_hook_lock);
-	list_add(&hook->node, &break_hook);
-	write_unlock(&break_hook_lock);
+	spin_lock(&break_hook_lock);
+	list_add_rcu(&hook->node, &break_hook);
+	spin_unlock(&break_hook_lock);
 }
 
 void unregister_break_hook(struct break_hook *hook)
 {
-	write_lock(&break_hook_lock);
-	list_del(&hook->node);
-	write_unlock(&break_hook_lock);
+	spin_lock(&break_hook_lock);
+	list_del_rcu(&hook->node);
+	spin_unlock(&break_hook_lock);
+	synchronize_rcu();
 }
 
 static int call_break_hook(struct pt_regs *regs, unsigned int esr)
@@ -292,11 +293,11 @@
 	struct break_hook *hook;
 	int (*fn)(struct pt_regs *regs, unsigned int esr) = NULL;
 
-	read_lock(&break_hook_lock);
-	list_for_each_entry(hook, &break_hook, node)
+	rcu_read_lock();
+	list_for_each_entry_rcu(hook, &break_hook, node)
 		if ((esr & hook->esr_mask) == hook->esr_val)
 			fn = hook->fn;
-	read_unlock(&break_hook_lock);
+	rcu_read_unlock();
 
 	return fn ? fn(regs, esr) : DBG_HOOK_ERROR;
 }
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index e8ca6ea..13671a9 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -258,7 +258,8 @@
 		 */
 		if (!is_normal_ram(md))
 			prot = __pgprot(PROT_DEVICE_nGnRE);
-		else if (md->type == EFI_RUNTIME_SERVICES_CODE)
+		else if (md->type == EFI_RUNTIME_SERVICES_CODE ||
+			 !PAGE_ALIGNED(md->phys_addr))
 			prot = PAGE_KERNEL_EXEC;
 		else
 			prot = PAGE_KERNEL;
diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S
index 08cafc5..0f03a8f 100644
--- a/arch/arm64/kernel/entry-ftrace.S
+++ b/arch/arm64/kernel/entry-ftrace.S
@@ -178,6 +178,24 @@
 ENDPROC(ftrace_stub)
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+	/* save return value regs*/
+	.macro save_return_regs
+	sub sp, sp, #64
+	stp x0, x1, [sp]
+	stp x2, x3, [sp, #16]
+	stp x4, x5, [sp, #32]
+	stp x6, x7, [sp, #48]
+	.endm
+
+	/* restore return value regs*/
+	.macro restore_return_regs
+	ldp x0, x1, [sp]
+	ldp x2, x3, [sp, #16]
+	ldp x4, x5, [sp, #32]
+	ldp x6, x7, [sp, #48]
+	add sp, sp, #64
+	.endm
+
 /*
  * void ftrace_graph_caller(void)
  *
@@ -204,11 +222,11 @@
  * only when CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST is enabled.
  */
 ENTRY(return_to_handler)
-	str	x0, [sp, #-16]!
+	save_return_regs
 	mov	x0, x29			//     parent's fp
 	bl	ftrace_return_to_handler// addr = ftrace_return_to_hander(fp);
 	mov	x30, x0			// restore the original return address
-	ldr	x0, [sp], #16
+	restore_return_regs
 	ret
 END(return_to_handler)
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index a055be6..90d09ed 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -523,6 +523,11 @@
 	msr	hstr_el2, xzr			// Disable CP15 traps to EL2
 #endif
 
+	/* EL2 debug */
+	mrs	x0, pmcr_el0			// Disable debug access traps
+	ubfx	x0, x0, #11, #5			// to EL2 and allow access to
+	msr	mdcr_el2, x0			// all PMU counters from EL1
+
 	/* Stage-2 translation */
 	msr	vttbr_el2, xzr
 
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c
index c97040e..bba85c8 100644
--- a/arch/arm64/kernel/hw_breakpoint.c
+++ b/arch/arm64/kernel/hw_breakpoint.c
@@ -872,7 +872,7 @@
 						void *hcpu)
 {
 	int cpu = (long)hcpu;
-	if (action == CPU_ONLINE)
+	if ((action & ~CPU_TASKS_FROZEN) == CPU_ONLINE)
 		smp_call_function_single(cpu, hw_breakpoint_reset, NULL, 1);
 	return NOTIFY_OK;
 }
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index f341866..c08b9ad 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -85,7 +85,7 @@
 		aarch64_insn_is_bcond(insn));
 }
 
-static DEFINE_SPINLOCK(patch_lock);
+static DEFINE_RAW_SPINLOCK(patch_lock);
 
 static void __kprobes *patch_map(void *addr, int fixmap)
 {
@@ -131,13 +131,13 @@
 	unsigned long flags = 0;
 	int ret;
 
-	spin_lock_irqsave(&patch_lock, flags);
+	raw_spin_lock_irqsave(&patch_lock, flags);
 	waddr = patch_map(addr, FIX_TEXT_POKE0);
 
 	ret = probe_kernel_write(waddr, &insn, AARCH64_INSN_SIZE);
 
 	patch_unmap(FIX_TEXT_POKE0);
-	spin_unlock_irqrestore(&patch_lock, flags);
+	raw_spin_unlock_irqrestore(&patch_lock, flags);
 
 	return ret;
 }
diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index 67bf410..876eb8d 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -332,12 +332,14 @@
 			ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 0, 21,
 					     AARCH64_INSN_IMM_ADR);
 			break;
+#ifndef CONFIG_ARM64_ERRATUM_843419
 		case R_AARCH64_ADR_PREL_PG_HI21_NC:
 			overflow_check = false;
 		case R_AARCH64_ADR_PREL_PG_HI21:
 			ovf = reloc_insn_imm(RELOC_OP_PAGE, loc, val, 12, 21,
 					     AARCH64_INSN_IMM_ADR);
 			break;
+#endif
 		case R_AARCH64_ADD_ABS_LO12_NC:
 		case R_AARCH64_LDST8_ABS_LO12_NC:
 			overflow_check = false;
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 6bab21f..2322479 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -364,6 +364,8 @@
 		to_free = ram_end - orig_start;
 
 	size = orig_end - orig_start;
+	if (!size)
+		return;
 
 	/* initrd needs to be relocated completely inside linear mapping */
 	new_start = memblock_find_in_range(0, PFN_PHYS(max_pfn),
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
index 948f0ad..71ef6dc 100644
--- a/arch/arm64/kernel/signal32.c
+++ b/arch/arm64/kernel/signal32.c
@@ -212,14 +212,32 @@
 
 /*
  * VFP save/restore code.
+ *
+ * We have to be careful with endianness, since the fpsimd context-switch
+ * code operates on 128-bit (Q) register values whereas the compat ABI
+ * uses an array of 64-bit (D) registers. Consequently, we need to swap
+ * the two halves of each Q register when running on a big-endian CPU.
  */
+union __fpsimd_vreg {
+	__uint128_t	raw;
+	struct {
+#ifdef __AARCH64EB__
+		u64	hi;
+		u64	lo;
+#else
+		u64	lo;
+		u64	hi;
+#endif
+	};
+};
+
 static int compat_preserve_vfp_context(struct compat_vfp_sigframe __user *frame)
 {
 	struct fpsimd_state *fpsimd = &current->thread.fpsimd_state;
 	compat_ulong_t magic = VFP_MAGIC;
 	compat_ulong_t size = VFP_STORAGE_SIZE;
 	compat_ulong_t fpscr, fpexc;
-	int err = 0;
+	int i, err = 0;
 
 	/*
 	 * Save the hardware registers to the fpsimd_state structure.
@@ -235,10 +253,15 @@
 	/*
 	 * Now copy the FP registers. Since the registers are packed,
 	 * we can copy the prefix we want (V0-V15) as it is.
-	 * FIXME: Won't work if big endian.
 	 */
-	err |= __copy_to_user(&frame->ufp.fpregs, fpsimd->vregs,
-			      sizeof(frame->ufp.fpregs));
+	for (i = 0; i < ARRAY_SIZE(frame->ufp.fpregs); i += 2) {
+		union __fpsimd_vreg vreg = {
+			.raw = fpsimd->vregs[i >> 1],
+		};
+
+		__put_user_error(vreg.lo, &frame->ufp.fpregs[i], err);
+		__put_user_error(vreg.hi, &frame->ufp.fpregs[i + 1], err);
+	}
 
 	/* Create an AArch32 fpscr from the fpsr and the fpcr. */
 	fpscr = (fpsimd->fpsr & VFP_FPSCR_STAT_MASK) |
@@ -263,7 +286,7 @@
 	compat_ulong_t magic = VFP_MAGIC;
 	compat_ulong_t size = VFP_STORAGE_SIZE;
 	compat_ulong_t fpscr;
-	int err = 0;
+	int i, err = 0;
 
 	__get_user_error(magic, &frame->magic, err);
 	__get_user_error(size, &frame->size, err);
@@ -273,12 +296,14 @@
 	if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
 		return -EINVAL;
 
-	/*
-	 * Copy the FP registers into the start of the fpsimd_state.
-	 * FIXME: Won't work if big endian.
-	 */
-	err |= __copy_from_user(fpsimd.vregs, frame->ufp.fpregs,
-				sizeof(frame->ufp.fpregs));
+	/* Copy the FP registers into the start of the fpsimd_state. */
+	for (i = 0; i < ARRAY_SIZE(frame->ufp.fpregs); i += 2) {
+		union __fpsimd_vreg vreg;
+
+		__get_user_error(vreg.lo, &frame->ufp.fpregs[i], err);
+		__get_user_error(vreg.hi, &frame->ufp.fpregs[i + 1], err);
+		fpsimd.vregs[i >> 1] = vreg.raw;
+	}
 
 	/* Extract the fpsr and the fpcr from the fpscr */
 	__get_user_error(fpscr, &frame->ufp.fpscr, err);
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index bfffe8f..5c7e920e 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -41,15 +41,4 @@
 	---help---
 	  Provides host support for ARM processors.
 
-config KVM_ARM_MAX_VCPUS
-	int "Number maximum supported virtual CPUs per VM"
-	depends on KVM_ARM_HOST
-	default 4
-	help
-	  Static number of max supported virtual CPUs per VM.
-
-	  If you choose a high number, the vcpu structures will be quite
-	  large, so only choose a reasonable number that you expect to
-	  actually use.
-
 endif # VIRTUALIZATION
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S
index 37c89ea..e583613 100644
--- a/arch/arm64/kvm/hyp.S
+++ b/arch/arm64/kvm/hyp.S
@@ -433,20 +433,13 @@
 	mrs	x5, ifsr32_el2
 	stp	x4, x5, [x3]
 
-	skip_fpsimd_state x8, 3f
+	skip_fpsimd_state x8, 2f
 	mrs	x6, fpexc32_el2
 	str	x6, [x3, #16]
-3:
-	skip_debug_state x8, 2f
+2:
+	skip_debug_state x8, 1f
 	mrs	x7, dbgvcr32_el2
 	str	x7, [x3, #24]
-2:
-	skip_tee_state x8, 1f
-
-	add	x3, x2, #CPU_SYSREG_OFFSET(TEECR32_EL1)
-	mrs	x4, teecr32_el1
-	mrs	x5, teehbr32_el1
-	stp	x4, x5, [x3]
 1:
 .endm
 
@@ -466,16 +459,9 @@
 	msr	dacr32_el2, x4
 	msr	ifsr32_el2, x5
 
-	skip_debug_state x8, 2f
+	skip_debug_state x8, 1f
 	ldr	x7, [x3, #24]
 	msr	dbgvcr32_el2, x7
-2:
-	skip_tee_state x8, 1f
-
-	add	x3, x2, #CPU_SYSREG_OFFSET(TEECR32_EL1)
-	ldp	x4, x5, [x3]
-	msr	teecr32_el1, x4
-	msr	teehbr32_el1, x5
 1:
 .endm
 
@@ -570,8 +556,6 @@
 	mrs	x3, cntv_ctl_el0
 	and	x3, x3, #3
 	str	w3, [x0, #VCPU_TIMER_CNTV_CTL]
-	bic	x3, x3, #1		// Clear Enable
-	msr	cntv_ctl_el0, x3
 
 	isb
 
@@ -579,6 +563,9 @@
 	str	x3, [x0, #VCPU_TIMER_CNTV_CVAL]
 
 1:
+	// Disable the virtual timer
+	msr	cntv_ctl_el0, xzr
+
 	// Allow physical timer/counter access for the host
 	mrs	x2, cnthctl_el2
 	orr	x2, x2, #3
@@ -753,6 +740,9 @@
 	// Guest context
 	add	x2, x0, #VCPU_CONTEXT
 
+	// We must restore the 32-bit state before the sysregs, thanks
+	// to Cortex-A57 erratum #852523.
+	restore_guest_32bit_state
 	bl __restore_sysregs
 
 	skip_debug_state x3, 1f
@@ -760,7 +750,6 @@
 	kern_hyp_va x3
 	bl	__restore_debug
 1:
-	restore_guest_32bit_state
 	restore_guest_regs
 
 	// That's it, no more messing around.
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index b41607d..d03d3af 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -272,7 +272,7 @@
 {
 	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
 
-	if (copy_from_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
+	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
 	return 0;
 }
@@ -314,7 +314,7 @@
 {
 	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
 
-	if (copy_from_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
+	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
 
 	return 0;
@@ -358,7 +358,7 @@
 {
 	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
 
-	if (copy_from_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
+	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
 	return 0;
 }
@@ -400,7 +400,7 @@
 {
 	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
 
-	if (copy_from_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
+	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
 	return 0;
 }
@@ -539,13 +539,6 @@
 	{ Op0(0b10), Op1(0b000), CRn(0b0111), CRm(0b1110), Op2(0b110),
 	  trap_dbgauthstatus_el1 },
 
-	/* TEECR32_EL1 */
-	{ Op0(0b10), Op1(0b010), CRn(0b0000), CRm(0b0000), Op2(0b000),
-	  NULL, reset_val, TEECR32_EL1, 0 },
-	/* TEEHBR32_EL1 */
-	{ Op0(0b10), Op1(0b010), CRn(0b0001), CRm(0b0000), Op2(0b000),
-	  NULL, reset_val, TEEHBR32_EL1, 0 },
-
 	/* MDCCSR_EL1 */
 	{ Op0(0b10), Op1(0b011), CRn(0b0000), CRm(0b0001), Op2(0b000),
 	  trap_raz_wi },
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 0bcc4bc..99224dc 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -100,7 +100,7 @@
 	if (IS_ENABLED(CONFIG_ZONE_DMA) &&
 	    dev->coherent_dma_mask <= DMA_BIT_MASK(32))
 		flags |= GFP_DMA;
-	if (IS_ENABLED(CONFIG_DMA_CMA) && (flags & __GFP_WAIT)) {
+	if (dev_get_cma_area(dev) && (flags & __GFP_WAIT)) {
 		struct page *page;
 		void *addr;
 
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index aba9ead..9fadf6d 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -287,6 +287,7 @@
 			 * starvation.
 			 */
 			mm_flags &= ~FAULT_FLAG_ALLOW_RETRY;
+			mm_flags |= FAULT_FLAG_TRIED;
 			goto retry;
 		}
 	}
diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild
index f61f2dd..241b9b9 100644
--- a/arch/avr32/include/asm/Kbuild
+++ b/arch/avr32/include/asm/Kbuild
@@ -20,4 +20,5 @@
 generic-y += topology.h
 generic-y += trace_clock.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index d51ff8f..96cabad 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -144,7 +144,7 @@
 	.irq_set_type	= eic_set_irq_type,
 };
 
-static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
+static void demux_eic_irq(struct irq_desc *desc)
 {
 	struct eic *eic = irq_desc_get_handler_data(desc);
 	unsigned long status, pending;
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 157a5e0..4f61378 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -281,7 +281,7 @@
 	.irq_set_type	= gpio_irq_type,
 };
 
-static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void gpio_irq_handler(struct irq_desc *desc)
 {
 	struct pio_device	*pio = irq_desc_get_chip_data(desc);
 	unsigned		gpio_irq;
diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild
index 61cd1e7..91d49c0 100644
--- a/arch/blackfin/include/asm/Kbuild
+++ b/arch/blackfin/include/asm/Kbuild
@@ -46,4 +46,5 @@
 generic-y += ucontext.h
 generic-y += unaligned.h
 generic-y += user.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/blackfin/include/asm/irq_handler.h b/arch/blackfin/include/asm/irq_handler.h
index 4b2a992..d2f90c7 100644
--- a/arch/blackfin/include/asm/irq_handler.h
+++ b/arch/blackfin/include/asm/irq_handler.h
@@ -60,7 +60,7 @@
 extern void bfin_internal_unmask_irq(unsigned int irq);
 
 struct irq_desc;
-extern void bfin_demux_mac_status_irq(unsigned int, struct irq_desc *);
-extern void bfin_demux_gpio_irq(unsigned int, struct irq_desc *);
+extern void bfin_demux_mac_status_irq(struct irq_desc *);
+extern void bfin_demux_gpio_irq(struct irq_desc *);
 
 #endif
diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index 0ba2576..052cde5 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -107,7 +107,7 @@
 	 * than crashing, do something sensible.
 	 */
 	if (irq >= NR_IRQS)
-		handle_bad_irq(irq, &bad_irq_desc);
+		handle_bad_irq(&bad_irq_desc);
 	else
 		generic_handle_irq(irq);
 
diff --git a/arch/blackfin/mach-bf537/ints-priority.c b/arch/blackfin/mach-bf537/ints-priority.c
index 14b2f74..a48baae 100644
--- a/arch/blackfin/mach-bf537/ints-priority.c
+++ b/arch/blackfin/mach-bf537/ints-priority.c
@@ -89,8 +89,7 @@
 	.irq_unmask = bf537_generic_error_unmask_irq,
 };
 
-static void bf537_demux_error_irq(unsigned int int_err_irq,
-				  struct irq_desc *inta_desc)
+static void bf537_demux_error_irq(struct irq_desc *inta_desc)
 {
 	int irq = 0;
 
@@ -182,15 +181,12 @@
 	.irq_unmask = bf537_mac_rx_unmask_irq,
 };
 
-static void bf537_demux_mac_rx_irq(unsigned int __int_irq,
-				   struct irq_desc *desc)
+static void bf537_demux_mac_rx_irq(struct irq_desc *desc)
 {
-	unsigned int int_irq = irq_desc_get_irq(desc);
-
 	if (bfin_read_DMA1_IRQ_STATUS() & (DMA_DONE | DMA_ERR))
 		bfin_handle_irq(IRQ_MAC_RX);
 	else
-		bfin_demux_gpio_irq(int_irq, desc);
+		bfin_demux_gpio_irq(desc);
 }
 #endif
 
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index a6d1b03..e8d4d74 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -656,8 +656,7 @@
 	.irq_set_wake = bfin_mac_status_set_wake,
 };
 
-void bfin_demux_mac_status_irq(unsigned int int_err_irq,
-			       struct irq_desc *inta_desc)
+void bfin_demux_mac_status_irq(struct irq_desc *inta_desc)
 {
 	int i, irq = 0;
 	u32 status = bfin_read_EMAC_SYSTAT();
@@ -825,7 +824,7 @@
 	}
 }
 
-void bfin_demux_gpio_irq(unsigned int __inta_irq, struct irq_desc *desc)
+void bfin_demux_gpio_irq(struct irq_desc *desc)
 {
 	unsigned int inta_irq = irq_desc_get_irq(desc);
 	unsigned int irq;
diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild
index f17c4dc..945544e 100644
--- a/arch/c6x/include/asm/Kbuild
+++ b/arch/c6x/include/asm/Kbuild
@@ -59,4 +59,5 @@
 generic-y += ucontext.h
 generic-y += user.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/c6x/platforms/megamod-pic.c b/arch/c6x/platforms/megamod-pic.c
index d487698..ddcb45d 100644
--- a/arch/c6x/platforms/megamod-pic.c
+++ b/arch/c6x/platforms/megamod-pic.c
@@ -93,7 +93,7 @@
 	.irq_unmask	= unmask_megamod,
 };
 
-static void megamod_irq_cascade(unsigned int __irq, struct irq_desc *desc)
+static void megamod_irq_cascade(struct irq_desc *desc)
 {
 	struct megamod_cascade_data *cascade;
 	struct megamod_pic *pic;
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index b7f6819..1778805 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -43,4 +43,5 @@
 generic-y += trace_clock.h
 generic-y += types.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild
index 8e47b83..1fa084c 100644
--- a/arch/frv/include/asm/Kbuild
+++ b/arch/frv/include/asm/Kbuild
@@ -7,3 +7,4 @@
 generic-y += mm-arch-hooks.h
 generic-y += preempt.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index f9c86c4..f211839 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -294,6 +294,8 @@
 	printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number);
 #endif
 
+	pci_read_bridge_bases(bus);
+
 	if (bus->number == 0) {
 		struct pci_dev *dev;
 		list_for_each_entry(dev, &bus->devices, bus_list) {
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
index 70e6ae1..373cb23 100644
--- a/arch/h8300/include/asm/Kbuild
+++ b/arch/h8300/include/asm/Kbuild
@@ -73,4 +73,5 @@
 generic-y += ucontext.h
 generic-y += unaligned.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index daee37b..db8ddab 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -58,4 +58,5 @@
 generic-y += ucontext.h
 generic-y += unaligned.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 9de3ba1..502a91d 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -8,3 +8,4 @@
 generic-y += preempt.h
 generic-y += trace_clock.h
 generic-y += vtime.h
+generic-y += word-at-a-time.h
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 95c39b9..99c96a5 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
 
 
 
-#define NR_syscalls			319 /* length of syscall table */
+#define NR_syscalls			321 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 4610795..98e94e1 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -332,5 +332,7 @@
 #define __NR_memfd_create		1340
 #define __NR_bpf			1341
 #define __NR_execveat			1342
+#define __NR_userfaultfd		1343
+#define __NR_membarrier			1344
 
 #endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ae0de7b..37cc7a6 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1768,5 +1768,7 @@
 	data8 sys_memfd_create			// 1340
 	data8 sys_bpf
 	data8 sys_execveat
+	data8 sys_userfaultfd
+	data8 sys_membarrier
 
 	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index d89b601..7cc3be9 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -533,9 +533,10 @@
 {
 	struct pci_dev *dev;
 
-	if (b->self)
+	if (b->self) {
+		pci_read_bridge_bases(b);
 		pcibios_fixup_bridge_resources(b->self);
-
+	}
 	list_for_each_entry(dev, &b->devices, bus_list)
 		pcibios_fixup_device_resources(dev);
 	platform_pci_fixup_bus(b);
diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild
index e0eb704..fd104bd 100644
--- a/arch/m32r/include/asm/Kbuild
+++ b/arch/m32r/include/asm/Kbuild
@@ -9,3 +9,4 @@
 generic-y += preempt.h
 generic-y += sections.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index 47b5f90..7ff739e 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -46,7 +46,7 @@
  * The builtin Amiga hardware interrupt handlers.
  */
 
-static void ami_int1(unsigned int irq, struct irq_desc *desc)
+static void ami_int1(struct irq_desc *desc)
 {
 	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
 
@@ -69,7 +69,7 @@
 	}
 }
 
-static void ami_int3(unsigned int irq, struct irq_desc *desc)
+static void ami_int3(struct irq_desc *desc)
 {
 	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
 
@@ -92,7 +92,7 @@
 	}
 }
 
-static void ami_int4(unsigned int irq, struct irq_desc *desc)
+static void ami_int4(struct irq_desc *desc)
 {
 	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
 
@@ -121,7 +121,7 @@
 	}
 }
 
-static void ami_int5(unsigned int irq, struct irq_desc *desc)
+static void ami_int5(struct irq_desc *desc)
 {
 	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
 
diff --git a/arch/m68k/coldfire/intc-5272.c b/arch/m68k/coldfire/intc-5272.c
index 47371de..b0a19e2 100644
--- a/arch/m68k/coldfire/intc-5272.c
+++ b/arch/m68k/coldfire/intc-5272.c
@@ -143,12 +143,10 @@
  * We need to be careful with the masking/acking due to the side effects
  * of masking an interrupt.
  */
-static void intc_external_irq(unsigned int __irq, struct irq_desc *desc)
+static void intc_external_irq(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
-
 	irq_desc_get_chip(desc)->irq_ack(&desc->irq_data);
-	handle_simple_irq(irq, desc);
+	handle_simple_irq(desc);
 }
 
 static struct irq_chip intc_irq_chip = {
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 0b6b40d..5b4ec54 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -57,7 +58,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -67,10 +67,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -179,6 +181,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -206,6 +209,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -271,6 +275,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -370,6 +375,7 @@
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -537,6 +543,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index eeb3a89..6e5198e 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -55,7 +56,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -65,10 +65,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -177,6 +179,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -204,6 +207,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -269,6 +273,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -344,6 +349,7 @@
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -495,6 +501,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 3a70066..f75600b 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -55,7 +56,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -65,10 +65,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -177,6 +179,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -204,6 +207,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -269,6 +273,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -355,6 +360,7 @@
 # CONFIG_NET_VENDOR_SEEQ is not set
 CONFIG_SMC91X=y
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -517,6 +523,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 0586b32..a42d91c 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -53,7 +54,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -63,10 +63,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -175,6 +177,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -202,6 +205,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -267,6 +271,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -343,6 +348,7 @@
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -488,6 +494,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index ad1dbce..77f4a11 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -55,7 +56,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -65,10 +65,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -177,6 +179,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -204,6 +207,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -269,6 +273,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -345,6 +350,7 @@
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -497,6 +503,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index b44acac..5a329f7 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -54,7 +55,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -64,10 +64,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -176,6 +178,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -203,6 +206,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -271,6 +275,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -364,6 +369,7 @@
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -519,6 +525,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index 8afca37..83c80d2 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -64,7 +65,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -74,10 +74,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -186,6 +188,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -213,6 +216,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -281,6 +285,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -410,6 +415,7 @@
 # CONFIG_NET_VENDOR_SEEQ is not set
 CONFIG_SMC91X=y
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PLIP=m
@@ -599,6 +605,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index ef00875..6cb42c3 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -52,7 +53,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -62,10 +62,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -174,6 +176,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -201,6 +204,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -266,6 +270,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -343,6 +348,7 @@
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -488,6 +494,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 387c2bd..c7508c3 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -53,7 +54,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -63,10 +63,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -175,6 +177,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -202,6 +205,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -267,6 +271,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -343,6 +348,7 @@
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -488,6 +494,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 35355c1..64b7166 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -53,7 +54,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -63,10 +63,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -175,6 +177,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -202,6 +205,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -267,6 +271,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -354,6 +359,7 @@
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PLIP=m
@@ -510,6 +516,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 8442d26..9a4cab7 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -50,7 +51,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -60,10 +60,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -172,6 +174,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -199,6 +202,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -264,6 +268,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -341,6 +346,7 @@
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
 # CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -489,6 +495,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_MANAGER=y
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 0e1b542..1a2eaac 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -50,7 +51,6 @@
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPVTI=m
 CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -60,10 +60,12 @@
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
 CONFIG_IPV6_VTI=m
 CONFIG_IPV6_GRE=m
 CONFIG_NETFILTER=y
@@ -172,6 +174,7 @@
 CONFIG_IP_SET_LIST_SET=m
 CONFIG_NF_CONNTRACK_IPV4=m
 CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
 CONFIG_NF_TABLES_ARP=m
 CONFIG_NF_LOG_ARP=m
 CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -199,6 +202,7 @@
 CONFIG_IP_NF_ARP_MANGLE=m
 CONFIG_NF_CONNTRACK_IPV6=m
 CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
 CONFIG_NFT_CHAIN_NAT_IPV6=m
 CONFIG_NFT_MASQ_IPV6=m
 CONFIG_NFT_REDIR_IPV6=m
@@ -264,6 +268,7 @@
 CONFIG_MPLS=y
 CONFIG_NET_MPLS_GSO=m
 CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
 # CONFIG_WIRELESS is not set
 # CONFIG_UEVENT_HELPER is not set
 CONFIG_DEVTMPFS=y
@@ -341,6 +346,7 @@
 # CONFIG_NET_VENDOR_SAMSUNG is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_PPP=m
@@ -489,6 +495,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
 CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 81ca118..a644f4a 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -64,8 +64,7 @@
 						      struct pt_regs *));
 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt);
 extern void m68k_setup_irq_controller(struct irq_chip *,
-				      void (*handle)(unsigned int irq,
-						     struct irq_desc *desc),
+				      void (*handle)(struct irq_desc *desc),
 				      unsigned int irq, unsigned int cnt);
 
 extern unsigned int irq_canonicalize(unsigned int irq);
diff --git a/arch/m68k/include/asm/linkage.h b/arch/m68k/include/asm/linkage.h
index 5a822bb..066e74f 100644
--- a/arch/m68k/include/asm/linkage.h
+++ b/arch/m68k/include/asm/linkage.h
@@ -4,4 +4,34 @@
 #define __ALIGN .align 4
 #define __ALIGN_STR ".align 4"
 
+/*
+ * Make sure the compiler doesn't do anything stupid with the
+ * arguments on the stack - they are owned by the *caller*, not
+ * the callee. This just fools gcc into not spilling into them,
+ * and keeps it from doing tailcall recursion and/or using the
+ * stack slots for temporaries, since they are live and "used"
+ * all the way to the end of the function.
+ */
+#define asmlinkage_protect(n, ret, args...) \
+	__asmlinkage_protect##n(ret, ##args)
+#define __asmlinkage_protect_n(ret, args...) \
+	__asm__ __volatile__ ("" : "=r" (ret) : "0" (ret), ##args)
+#define __asmlinkage_protect0(ret) \
+	__asmlinkage_protect_n(ret)
+#define __asmlinkage_protect1(ret, arg1) \
+	__asmlinkage_protect_n(ret, "m" (arg1))
+#define __asmlinkage_protect2(ret, arg1, arg2) \
+	__asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2))
+#define __asmlinkage_protect3(ret, arg1, arg2, arg3) \
+	__asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3))
+#define __asmlinkage_protect4(ret, arg1, arg2, arg3, arg4) \
+	__asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
+			      "m" (arg4))
+#define __asmlinkage_protect5(ret, arg1, arg2, arg3, arg4, arg5) \
+	__asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
+			      "m" (arg4), "m" (arg5))
+#define __asmlinkage_protect6(ret, arg1, arg2, arg3, arg4, arg5, arg6) \
+	__asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
+			      "m" (arg4), "m" (arg5), "m" (arg6))
+
 #endif
diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h
index fe3fc9a..53c632c 100644
--- a/arch/m68k/include/asm/mac_via.h
+++ b/arch/m68k/include/asm/mac_via.h
@@ -261,7 +261,7 @@
 extern void via_irq_disable(int);
 extern void via_nubus_irq_startup(int irq);
 extern void via_nubus_irq_shutdown(int irq);
-extern void via1_irq(unsigned int irq, struct irq_desc *desc);
+extern void via1_irq(struct irq_desc *desc);
 extern void via1_set_head(int);
 extern int via2_scsi_drq_pending(void);
 
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 244e0db..0793a7f 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define NR_syscalls		356
+#define NR_syscalls		375
 
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index 61fb6cb..5e6fae6 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -361,5 +361,24 @@
 #define __NR_memfd_create	353
 #define __NR_bpf		354
 #define __NR_execveat		355
+#define __NR_socket		356
+#define __NR_socketpair		357
+#define __NR_bind		358
+#define __NR_connect		359
+#define __NR_listen		360
+#define __NR_accept4		361
+#define __NR_getsockopt		362
+#define __NR_setsockopt		363
+#define __NR_getsockname	364
+#define __NR_getpeername	365
+#define __NR_sendto		366
+#define __NR_sendmsg		367
+#define __NR_recvfrom		368
+#define __NR_recvmsg		369
+#define __NR_shutdown		370
+#define __NR_recvmmsg		371
+#define __NR_sendmmsg		372
+#define __NR_userfaultfd	373
+#define __NR_membarrier		374
 
 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index a0ec430..5dd0e80 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -376,4 +376,22 @@
 	.long sys_memfd_create
 	.long sys_bpf
 	.long sys_execveat		/* 355 */
-
+	.long sys_socket
+	.long sys_socketpair
+	.long sys_bind
+	.long sys_connect
+	.long sys_listen		/* 360 */
+	.long sys_accept4
+	.long sys_getsockopt
+	.long sys_setsockopt
+	.long sys_getsockname
+	.long sys_getpeername		/* 365 */
+	.long sys_sendto
+	.long sys_sendmsg
+	.long sys_recvfrom
+	.long sys_recvmsg
+	.long sys_shutdown		/* 370 */
+	.long sys_recvmmsg
+	.long sys_sendmmsg
+	.long sys_userfaultfd
+	.long sys_membarrier
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index 3fe0e43..f6f7d42 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -45,7 +45,7 @@
  * Baboon interrupt handler. This works a lot like a VIA.
  */
 
-static void baboon_irq(unsigned int irq, struct irq_desc *desc)
+static void baboon_irq(struct irq_desc *desc)
 {
 	int irq_bit, irq_num;
 	unsigned char events;
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 191610d..55d65927 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -63,7 +63,7 @@
  * Handle miscellaneous OSS interrupts.
  */
 
-static void oss_irq(unsigned int __irq, struct irq_desc *desc)
+static void oss_irq(struct irq_desc *desc)
 {
 	int events = oss->irq_pending &
 		(OSS_IP_IOPSCC | OSS_IP_SCSI | OSS_IP_IOPISM);
@@ -99,7 +99,7 @@
  * Unlike the VIA/RBV this is on its own autovector interrupt level.
  */
 
-static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc)
+static void oss_nubus_irq(struct irq_desc *desc)
 {
 	int events, irq_bit, i;
 
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 3b9e302..cd38f29 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -113,7 +113,7 @@
  * PSC interrupt handler. It's a lot like the VIA interrupt handler.
  */
 
-static void psc_irq(unsigned int __irq, struct irq_desc *desc)
+static void psc_irq(struct irq_desc *desc)
 {
 	unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc);
 	unsigned int irq = irq_desc_get_irq(desc);
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index e198dec..ce56e04 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -446,7 +446,7 @@
  * via6522.c :-), disable/pending masks added.
  */
 
-void via1_irq(unsigned int irq, struct irq_desc *desc)
+void via1_irq(struct irq_desc *desc)
 {
 	int irq_num;
 	unsigned char irq_bit, events;
@@ -467,7 +467,7 @@
 	} while (events >= irq_bit);
 }
 
-static void via2_irq(unsigned int irq, struct irq_desc *desc)
+static void via2_irq(struct irq_desc *desc)
 {
 	int irq_num;
 	unsigned char irq_bit, events;
@@ -493,7 +493,7 @@
  * VIA2 dispatcher as a fast interrupt handler.
  */
 
-void via_nubus_irq(unsigned int irq, struct irq_desc *desc)
+static void via_nubus_irq(struct irq_desc *desc)
 {
 	int slot_irq;
 	unsigned char slot_bit, events;
diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild
index df31353..29acb89d 100644
--- a/arch/metag/include/asm/Kbuild
+++ b/arch/metag/include/asm/Kbuild
@@ -54,4 +54,5 @@
 generic-y += unaligned.h
 generic-y += user.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/metag/kernel/irq.c b/arch/metag/kernel/irq.c
index a336094..3074b64 100644
--- a/arch/metag/kernel/irq.c
+++ b/arch/metag/kernel/irq.c
@@ -94,13 +94,11 @@
 			"MOV   D0.5,%0\n"
 			"MOV   D1Ar1,%1\n"
 			"MOV   D1RtP,%2\n"
-			"MOV   D0Ar2,%3\n"
 			"SWAP  A0StP,D0.5\n"
 			"SWAP  PC,D1RtP\n"
 			"MOV   A0StP,D0.5\n"
 			:
-			: "r" (isp), "r" (irq), "r" (desc->handle_irq),
-			  "r" (desc)
+			: "r" (isp), "r" (desc), "r" (desc->handle_irq)
 			: "memory", "cc", "D1Ar1", "D0Ar2", "D1Ar3", "D0Ar4",
 			  "D1Ar5", "D0Ar6", "D0Re0", "D1Re0", "D0.4", "D1RtP",
 			  "D0.5"
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 2f222f3..b0ae88c 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -10,3 +10,4 @@
 generic-y += preempt.h
 generic-y += syscalls.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 6b8b752..ae838ed 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -863,7 +863,14 @@
 
 void pcibios_fixup_bus(struct pci_bus *bus)
 {
-	/* Fixup the bus */
+	/* When called from the generic PCI probe, read PCI<->PCI bridge
+	 * bases. This is -not- called when generating the PCI tree from
+	 * the OF device-tree.
+	 */
+	if (bus->self != NULL)
+		pci_read_bridge_bases(bus);
+
+	/* Now fixup the bus bus */
 	pcibios_setup_bus_self(bus);
 
 	/* Now fixup devices on that bus */
diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c
index 4c496c5..da9f922 100644
--- a/arch/mips/alchemy/common/irq.c
+++ b/arch/mips/alchemy/common/irq.c
@@ -851,7 +851,7 @@
 
 /* create chained handlers for the 4 IC requests to the MIPS IRQ ctrl */
 #define DISP(name, base, addr)						      \
-static void au1000_##name##_dispatch(unsigned int irq, struct irq_desc *d)    \
+static void au1000_##name##_dispatch(struct irq_desc *d)		      \
 {									      \
 	unsigned long r = __raw_readl((void __iomem *)KSEG1ADDR(addr));	      \
 	if (likely(r))							      \
@@ -865,7 +865,7 @@
 DISP(ic1r0, AU1000_INTC1_INT_BASE, AU1000_IC1_PHYS_ADDR + IC_REQ0INT)
 DISP(ic1r1, AU1000_INTC1_INT_BASE, AU1000_IC1_PHYS_ADDR + IC_REQ1INT)
 
-static void alchemy_gpic_dispatch(unsigned int irq, struct irq_desc *d)
+static void alchemy_gpic_dispatch(struct irq_desc *d)
 {
 	int i = __raw_readl(AU1300_GPIC_ADDR + AU1300_GPIC_PRIENC);
 	generic_handle_irq(ALCHEMY_GPIC_INT_BASE + i);
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index 324ad72..faeddf1 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -86,7 +86,7 @@
 /*
  * DB1200/PB1200 CPLD IRQ muxer
  */
-static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
+static void bcsr_csc_handler(struct irq_desc *d)
 {
 	unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT);
 	struct irq_chip *chip = irq_desc_get_chip(d);
diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c
index ec9a371..8da9961 100644
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -69,7 +69,7 @@
 	.name		= "ar2315-ahb-error",
 };
 
-static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+static void ar2315_misc_irq_handler(struct irq_desc *desc)
 {
 	u32 pending = ar2315_rst_reg_read(AR2315_ISR) &
 		      ar2315_rst_reg_read(AR2315_IMR);
diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c
index e63e38f..acd55a9 100644
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -73,7 +73,7 @@
 	.name    = "ar5312-ahb-error",
 };
 
-static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+static void ar5312_misc_irq_handler(struct irq_desc *desc)
 {
 	u32 pending = ar5312_rst_reg_read(AR5312_ISR) &
 		      ar5312_rst_reg_read(AR5312_IMR);
diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c
index 807132b..eeb3953 100644
--- a/arch/mips/ath79/irq.c
+++ b/arch/mips/ath79/irq.c
@@ -26,7 +26,7 @@
 #include "common.h"
 #include "machtypes.h"
 
-static void ath79_misc_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ath79_misc_irq_handler(struct irq_desc *desc)
 {
 	void __iomem *base = ath79_reset_base;
 	u32 pending;
@@ -119,7 +119,7 @@
 	irq_set_chained_handler(ATH79_CPU_IRQ(6), ath79_misc_irq_handler);
 }
 
-static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+static void ar934x_ip2_irq_dispatch(struct irq_desc *desc)
 {
 	u32 status;
 
@@ -148,7 +148,7 @@
 	irq_set_chained_handler(ATH79_CPU_IRQ(2), ar934x_ip2_irq_dispatch);
 }
 
-static void qca955x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+static void qca955x_ip2_irq_dispatch(struct irq_desc *desc)
 {
 	u32 status;
 
@@ -171,7 +171,7 @@
 	}
 }
 
-static void qca955x_ip3_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+static void qca955x_ip3_irq_dispatch(struct irq_desc *desc)
 {
 	u32 status;
 
@@ -293,8 +293,26 @@
 
 	return 0;
 }
-IRQCHIP_DECLARE(ath79_misc_intc, "qca,ar7100-misc-intc",
-		ath79_misc_intc_of_init);
+
+static int __init ar7100_misc_intc_of_init(
+	struct device_node *node, struct device_node *parent)
+{
+	ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask;
+	return ath79_misc_intc_of_init(node, parent);
+}
+
+IRQCHIP_DECLARE(ar7100_misc_intc, "qca,ar7100-misc-intc",
+		ar7100_misc_intc_of_init);
+
+static int __init ar7240_misc_intc_of_init(
+	struct device_node *node, struct device_node *parent)
+{
+	ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
+	return ath79_misc_intc_of_init(node, parent);
+}
+
+IRQCHIP_DECLARE(ar7240_misc_intc, "qca,ar7240-misc-intc",
+		ar7240_misc_intc_of_init);
 
 static int __init ar79_cpu_intc_of_init(
 	struct device_node *node, struct device_node *parent)
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index f26c3c6..0352bc8 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -2221,7 +2221,7 @@
 			if (irqd_get_trigger_type(irq_data) &
 				IRQ_TYPE_EDGE_BOTH)
 				cvmx_write_csr(host_data->raw_reg, 1ull << i);
-			generic_handle_irq_desc(irq, desc);
+			generic_handle_irq_desc(desc);
 		}
 	}
 
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 89a6284..bd63425 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -933,7 +933,7 @@
 	while ((boot_mem_map.nr_map < BOOT_MEM_MAP_MAX)
 		&& (total < MAX_MEMORY)) {
 		memory = cvmx_bootmem_phy_alloc(mem_alloc_size,
-						__pa_symbol(&__init_end), -1,
+						__pa_symbol(&_end), -1,
 						0x100000,
 						CVMX_BOOTMEM_FLAG_NO_LOCKING);
 		if (memory >= 0) {
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 40ec4ca..c7fe4d0 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -17,4 +17,5 @@
 generic-y += serial.h
 generic-y += trace_clock.h
 generic-y += user.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 9801ac9..fe67f12 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -20,6 +20,9 @@
 #ifndef cpu_has_tlb
 #define cpu_has_tlb		(cpu_data[0].options & MIPS_CPU_TLB)
 #endif
+#ifndef cpu_has_ftlb
+#define cpu_has_ftlb		(cpu_data[0].options & MIPS_CPU_FTLB)
+#endif
 #ifndef cpu_has_tlbinv
 #define cpu_has_tlbinv		(cpu_data[0].options & MIPS_CPU_TLBINV)
 #endif
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index cd89e98..82ad15f 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -385,6 +385,7 @@
 #define MIPS_CPU_CDMM		0x4000000000ull	/* CPU has Common Device Memory Map */
 #define MIPS_CPU_BP_GHIST	0x8000000000ull /* R12K+ Branch Prediction Global History */
 #define MIPS_CPU_SP		0x10000000000ull /* Small (1KB) page support */
+#define MIPS_CPU_FTLB		0x20000000000ull /* CPU has Fixed-page-size TLB */
 
 /*
  * CPU ASE encodings
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 9e777cd..d10fd80 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -256,6 +256,7 @@
  */
 #define ioremap_nocache(offset, size)					\
 	__ioremap_mode((offset), (size), _CACHE_UNCACHED)
+#define ioremap_uc ioremap_nocache
 
 /*
  * ioremap_cachable -	map bus memory into CPU space
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index e8c8d9d..5a1a882 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -61,6 +61,7 @@
 #define KVM_PRIVATE_MEM_SLOTS 	0
 
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_HALT_POLL_NS_DEFAULT 500000
 
 
 
@@ -128,6 +129,7 @@
 	u32 msa_disabled_exits;
 	u32 flush_dcache_exits;
 	u32 halt_successful_poll;
+	u32 halt_attempted_poll;
 	u32 halt_wakeup;
 };
 
diff --git a/arch/mips/include/asm/maar.h b/arch/mips/include/asm/maar.h
index b02891f..21d9607 100644
--- a/arch/mips/include/asm/maar.h
+++ b/arch/mips/include/asm/maar.h
@@ -66,6 +66,15 @@
 }
 
 /**
+ * maar_init() - initialise MAARs
+ *
+ * Performs initialisation of MAARs for the current CPU, making use of the
+ * platforms implementation of platform_maar_init where necessary and
+ * duplicating the setup it provides on secondary CPUs.
+ */
+extern void maar_init(void);
+
+/**
  * struct maar_config - MAAR configuration data
  * @lower:	The lowest address that the MAAR pair will affect. Must be
  *		aligned to a 2^16 byte boundary.
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index d75b75e..1f1927a 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -194,6 +194,7 @@
 BUILD_CM_R_(gic_status,		MIPS_CM_GCB_OFS + 0xd0)
 BUILD_CM_R_(cpc_status,		MIPS_CM_GCB_OFS + 0xf0)
 BUILD_CM_RW(l2_config,		MIPS_CM_GCB_OFS + 0x130)
+BUILD_CM_RW(sys_config2,	MIPS_CM_GCB_OFS + 0x150)
 
 /* Core Local & Core Other register accessor functions */
 BUILD_CM_Cx_RW(reset_release,	0x00)
@@ -316,6 +317,10 @@
 #define CM_GCR_L2_CONFIG_ASSOC_SHF		0
 #define CM_GCR_L2_CONFIG_ASSOC_MSK		(_ULCAST_(0xff) << 0)
 
+/* GCR_SYS_CONFIG2 register fields */
+#define CM_GCR_SYS_CONFIG2_MAXVPW_SHF		0
+#define CM_GCR_SYS_CONFIG2_MAXVPW_MSK		(_ULCAST_(0xf) << 0)
+
 /* GCR_Cx_COHERENCE register fields */
 #define CM_GCR_Cx_COHERENCE_COHDOMAINEN_SHF	0
 #define CM_GCR_Cx_COHERENCE_COHDOMAINEN_MSK	(_ULCAST_(0xff) << 0)
@@ -405,4 +410,38 @@
 	return read_gcr_rev();
 }
 
+/**
+ * mips_cm_max_vp_width() - return the width in bits of VP indices
+ *
+ * Return: the width, in bits, of VP indices in fields that combine core & VP
+ * indices.
+ */
+static inline unsigned int mips_cm_max_vp_width(void)
+{
+	extern int smp_num_siblings;
+
+	if (mips_cm_revision() >= CM_REV_CM3)
+		return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW_MSK;
+
+	return smp_num_siblings;
+}
+
+/**
+ * mips_cm_vp_id() - calculate the hardware VP ID for a CPU
+ * @cpu: the CPU whose VP ID to calculate
+ *
+ * Hardware such as the GIC uses identifiers for VPs which may not match the
+ * CPU numbers used by Linux. This function calculates the hardware VP
+ * identifier corresponding to a given CPU.
+ *
+ * Return: the VP ID for the CPU.
+ */
+static inline unsigned int mips_cm_vp_id(unsigned int cpu)
+{
+	unsigned int core = cpu_data[cpu].core;
+	unsigned int vp = cpu_vpe_id(&cpu_data[cpu]);
+
+	return (core * mips_cm_max_vp_width()) + vp;
+}
+
 #endif /* __MIPS_ASM_MIPS_CM_H__ */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index d3cd8ea..c64781c 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -487,6 +487,8 @@
 
 /* Bits specific to the MIPS32/64 PRA.	*/
 #define MIPS_CONF_MT		(_ULCAST_(7) <<	 7)
+#define MIPS_CONF_MT_TLB	(_ULCAST_(1) <<  7)
+#define MIPS_CONF_MT_FTLB	(_ULCAST_(4) <<  7)
 #define MIPS_CONF_AR		(_ULCAST_(7) << 10)
 #define MIPS_CONF_AT		(_ULCAST_(3) << 13)
 #define MIPS_CONF_M		(_ULCAST_(1) << 31)
diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h
index 2a4c128..be52c21 100644
--- a/arch/mips/include/asm/netlogic/common.h
+++ b/arch/mips/include/asm/netlogic/common.h
@@ -57,8 +57,8 @@
 #include <asm/mach-netlogic/multi-node.h>
 
 struct irq_desc;
-void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc);
-void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc);
+void nlm_smp_function_ipi_handler(struct irq_desc *desc);
+void nlm_smp_resched_ipi_handler(struct irq_desc *desc);
 void nlm_smp_irq_init(int hwcpuid);
 void nlm_boot_secondary_cpus(void);
 int nlm_wakeup_secondary_cpus(void);
diff --git a/arch/mips/include/uapi/asm/swab.h b/arch/mips/include/uapi/asm/swab.h
index c4ddc4f..23cd9b1 100644
--- a/arch/mips/include/uapi/asm/swab.h
+++ b/arch/mips/include/uapi/asm/swab.h
@@ -13,16 +13,15 @@
 
 #define __SWAB_64_THRU_32__
 
-#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) ||		\
-    defined(_MIPS_ARCH_LOONGSON3A)
+#if !defined(__mips16) &&					\
+	((defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) ||	\
+	 defined(_MIPS_ARCH_LOONGSON3A))
 
-static inline __attribute__((nomips16)) __attribute_const__
-		__u16 __arch_swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
 {
 	__asm__(
 	"	.set	push			\n"
 	"	.set	arch=mips32r2		\n"
-	"	.set	nomips16		\n"
 	"	wsbh	%0, %1			\n"
 	"	.set	pop			\n"
 	: "=r" (x)
@@ -32,13 +31,11 @@
 }
 #define __arch_swab16 __arch_swab16
 
-static inline __attribute__((nomips16)) __attribute_const__
-		__u32 __arch_swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 {
 	__asm__(
 	"	.set	push			\n"
 	"	.set	arch=mips32r2		\n"
-	"	.set	nomips16		\n"
 	"	wsbh	%0, %1			\n"
 	"	rotr	%0, %0, 16		\n"
 	"	.set	pop			\n"
@@ -54,13 +51,11 @@
  * 64-bit kernel on r2 CPUs.
  */
 #ifdef __mips64
-static inline __attribute__((nomips16)) __attribute_const__
-		__u64 __arch_swab64(__u64 x)
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
 {
 	__asm__(
 	"	.set	push			\n"
 	"	.set	arch=mips64r2		\n"
-	"	.set	nomips16		\n"
 	"	dsbh	%0, %1			\n"
 	"	dshd	%0, %0			\n"
 	"	.set	pop			\n"
@@ -71,5 +66,5 @@
 }
 #define __arch_swab64 __arch_swab64
 #endif /* __mips64 */
-#endif /* MIPS R2 or newer or Loongson 3A */
+#endif /* (not __mips16) and (MIPS R2 or newer or Loongson 3A) */
 #endif /* _ASM_SWAB_H */
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index c03088f..cfabadb 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -377,16 +377,18 @@
 #define __NR_memfd_create		(__NR_Linux + 354)
 #define __NR_bpf			(__NR_Linux + 355)
 #define __NR_execveat			(__NR_Linux + 356)
+#define __NR_userfaultfd		(__NR_Linux + 357)
+#define __NR_membarrier			(__NR_Linux + 358)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		356
+#define __NR_Linux_syscalls		358
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		356
+#define __NR_O32_Linux_syscalls		358
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -711,16 +713,18 @@
 #define __NR_memfd_create		(__NR_Linux + 314)
 #define __NR_bpf			(__NR_Linux + 315)
 #define __NR_execveat			(__NR_Linux + 316)
+#define __NR_userfaultfd		(__NR_Linux + 317)
+#define __NR_membarrier			(__NR_Linux + 318)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		316
+#define __NR_Linux_syscalls		318
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		316
+#define __NR_64_Linux_syscalls		318
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -1049,15 +1053,17 @@
 #define __NR_memfd_create		(__NR_Linux + 318)
 #define __NR_bpf			(__NR_Linux + 319)
 #define __NR_execveat			(__NR_Linux + 320)
+#define __NR_userfaultfd		(__NR_Linux + 321)
+#define __NR_membarrier			(__NR_Linux + 322)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		320
+#define __NR_Linux_syscalls		322
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		320
+#define __NR_N32_Linux_syscalls		322
 
 #endif /* _UAPI_ASM_UNISTD_H */
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 4e62bf8..459cb01 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -26,6 +26,7 @@
 #include <linux/power/jz4740-battery.h>
 #include <linux/power/gpio-charger.h>
 
+#include <asm/mach-jz4740/gpio.h>
 #include <asm/mach-jz4740/jz4740_fb.h>
 #include <asm/mach-jz4740/jz4740_mmc.h>
 #include <asm/mach-jz4740/jz4740_nand.h>
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 6cd69fd..8c6d76c 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -28,6 +28,7 @@
 #include <linux/seq_file.h>
 
 #include <asm/mach-jz4740/base.h>
+#include <asm/mach-jz4740/gpio.h>
 
 #define JZ4740_GPIO_BASE_A (32*0)
 #define JZ4740_GPIO_BASE_B (32*1)
@@ -291,7 +292,7 @@
 	writel(mask, reg);
 }
 
-static void jz_gpio_irq_demux_handler(unsigned int irq, struct irq_desc *desc)
+static void jz_gpio_irq_demux_handler(struct irq_desc *desc)
 {
 	uint32_t flag;
 	unsigned int gpio_irq;
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 9f71c06..209ded1 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -39,6 +39,7 @@
 	 mfc0	\dest, CP0_CONFIG, 3
 	andi	\dest, \dest, MIPS_CONF3_MT
 	beqz	\dest, \nomt
+	 nop
 	.endm
 
 .section .text.cps-vec
@@ -223,10 +224,9 @@
 	END(excep_ejtag)
 
 LEAF(mips_cps_core_init)
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
 	/* Check that the core implements the MT ASE */
 	has_mt	t0, 3f
-	 nop
 
 	.set	push
 	.set	mips64r2
@@ -310,8 +310,9 @@
 	PTR_ADDU t0, t0, t1
 
 	/* Calculate this VPEs ID. If the core doesn't support MT use 0 */
+	li	t9, 0
+#ifdef CONFIG_MIPS_MT_SMP
 	has_mt	ta2, 1f
-	 li	t9, 0
 
 	/* Find the number of VPEs present in the core */
 	mfc0	t1, CP0_MVPCONF0
@@ -330,6 +331,7 @@
 	/* Retrieve the VPE ID from EBase.CPUNum */
 	mfc0	t9, $15, 1
 	and	t9, t9, t1
+#endif
 
 1:	/* Calculate a pointer to this VPEs struct vpe_boot_config */
 	li	t1, VPEBOOTCFG_SIZE
@@ -337,7 +339,7 @@
 	PTR_L	ta3, COREBOOTCFG_VPECONFIG(t0)
 	PTR_ADDU v0, v0, ta3
 
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
 
 	/* If the core doesn't support MT then return */
 	bnez	ta2, 1f
@@ -451,7 +453,7 @@
 
 2:	.set	pop
 
-#endif /* CONFIG_MIPS_MT */
+#endif /* CONFIG_MIPS_MT_SMP */
 
 	/* Return */
 	jr	ra
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 571a8e6..09a51d0 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -410,16 +410,18 @@
 static inline unsigned int decode_config0(struct cpuinfo_mips *c)
 {
 	unsigned int config0;
-	int isa;
+	int isa, mt;
 
 	config0 = read_c0_config();
 
 	/*
 	 * Look for Standard TLB or Dual VTLB and FTLB
 	 */
-	if ((((config0 & MIPS_CONF_MT) >> 7) == 1) ||
-	    (((config0 & MIPS_CONF_MT) >> 7) == 4))
+	mt = config0 & MIPS_CONF_MT;
+	if (mt == MIPS_CONF_MT_TLB)
 		c->options |= MIPS_CPU_TLB;
+	else if (mt == MIPS_CONF_MT_FTLB)
+		c->options |= MIPS_CPU_TLB | MIPS_CPU_FTLB;
 
 	isa = (config0 & MIPS_CONF_AT) >> 13;
 	switch (isa) {
@@ -559,15 +561,18 @@
 	if (cpu_has_tlb) {
 		if (((config4 & MIPS_CONF4_IE) >> 29) == 2)
 			c->options |= MIPS_CPU_TLBINV;
+
 		/*
-		 * This is a bit ugly. R6 has dropped that field from
-		 * config4 and the only valid configuration is VTLB+FTLB so
-		 * set a good value for mmuextdef for that case.
+		 * R6 has dropped the MMUExtDef field from config4.
+		 * On R6 the fields always describe the FTLB, and only if it is
+		 * present according to Config.MT.
 		 */
-		if (cpu_has_mips_r6)
+		if (!cpu_has_mips_r6)
+			mmuextdef = config4 & MIPS_CONF4_MMUEXTDEF;
+		else if (cpu_has_ftlb)
 			mmuextdef = MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT;
 		else
-			mmuextdef = config4 & MIPS_CONF4_MMUEXTDEF;
+			mmuextdef = 0;
 
 		switch (mmuextdef) {
 		case MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT:
diff --git a/arch/mips/kernel/octeon_switch.S b/arch/mips/kernel/octeon_switch.S
index 423ae83..3375745 100644
--- a/arch/mips/kernel/octeon_switch.S
+++ b/arch/mips/kernel/octeon_switch.S
@@ -18,7 +18,7 @@
 	.set pop
 /*
  * task_struct *resume(task_struct *prev, task_struct *next,
- *		       struct thread_info *next_ti, int usedfpu)
+ *		       struct thread_info *next_ti)
  */
 	.align	7
 	LEAF(resume)
@@ -28,30 +28,6 @@
 	cpu_save_nonscratch a0
 	LONG_S	ra, THREAD_REG31(a0)
 
-	/*
-	 * check if we need to save FPU registers
-	 */
-	.set push
-	.set noreorder
-	beqz	a3, 1f
-	 PTR_L	t3, TASK_THREAD_INFO(a0)
-	.set pop
-
-	/*
-	 * clear saved user stack CU1 bit
-	 */
-	LONG_L	t0, ST_OFF(t3)
-	li	t1, ~ST0_CU1
-	and	t0, t0, t1
-	LONG_S	t0, ST_OFF(t3)
-
-	.set push
-	.set arch=mips64r2
-	fpu_save_double a0 t0 t1		# c0_status passed in t0
-						# clobbers t1
-	.set pop
-1:
-
 #if CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0
 	/* Check if we need to store CVMSEG state */
 	dmfc0	t0, $11,7	/* CvmMemCtl */
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S
index 5087a4b..ac27ef7 100644
--- a/arch/mips/kernel/r2300_switch.S
+++ b/arch/mips/kernel/r2300_switch.S
@@ -31,18 +31,8 @@
 #define ST_OFF (_THREAD_SIZE - 32 - PT_SIZE + PT_STATUS)
 
 /*
- * FPU context is saved iff the process has used it's FPU in the current
- * time slice as indicated by TIF_USEDFPU.  In any case, the CU1 bit for user
- * space STATUS register should be 0, so that a process *always* starts its
- * userland with FPU disabled after each context switch.
- *
- * FPU will be enabled as soon as the process accesses FPU again, through
- * do_cpu() trap.
- */
-
-/*
  * task_struct *resume(task_struct *prev, task_struct *next,
- *		       struct thread_info *next_ti, int usedfpu)
+ *		       struct thread_info *next_ti)
  */
 LEAF(resume)
 	mfc0	t1, CP0_STATUS
@@ -50,22 +40,6 @@
 	cpu_save_nonscratch a0
 	sw	ra, THREAD_REG31(a0)
 
-	beqz	a3, 1f
-
-	PTR_L	t3, TASK_THREAD_INFO(a0)
-
-	/*
-	 * clear saved user stack CU1 bit
-	 */
-	lw	t0, ST_OFF(t3)
-	li	t1, ~ST0_CU1
-	and	t0, t0, t1
-	sw	t0, ST_OFF(t3)
-
-	fpu_save_single a0, t0			# clobbers t0
-
-1:
-
 #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
 	PTR_LA	t8, __stack_chk_guard
 	LONG_L	t9, TASK_STACK_CANARY(a1)
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 4cc1350..65a74e4 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -36,16 +36,8 @@
 	lw	t1, PT_EPC(sp)		# skip syscall on return
 
 	subu	v0, v0, __NR_O32_Linux	# check syscall number
-	sltiu	t0, v0, __NR_O32_Linux_syscalls + 1
 	addiu	t1, 4			# skip to next instruction
 	sw	t1, PT_EPC(sp)
-	beqz	t0, illegal_syscall
-
-	sll	t0, v0, 2
-	la	t1, sys_call_table
-	addu	t1, t0
-	lw	t2, (t1)		# syscall routine
-	beqz	t2, illegal_syscall
 
 	sw	a3, PT_R26(sp)		# save a3 for syscall restarting
 
@@ -96,6 +88,16 @@
 	li	t1, _TIF_WORK_SYSCALL_ENTRY
 	and	t0, t1
 	bnez	t0, syscall_trace_entry # -> yes
+syscall_common:
+	sltiu	t0, v0, __NR_O32_Linux_syscalls + 1
+	beqz	t0, illegal_syscall
+
+	sll	t0, v0, 2
+	la	t1, sys_call_table
+	addu	t1, t0
+	lw	t2, (t1)		# syscall routine
+
+	beqz	t2, illegal_syscall
 
 	jalr	t2			# Do The Real Thing (TM)
 
@@ -116,7 +118,7 @@
 
 syscall_trace_entry:
 	SAVE_STATIC
-	move	s0, t2
+	move	s0, v0
 	move	a0, sp
 
 	/*
@@ -129,27 +131,18 @@
 
 1:	jal	syscall_trace_enter
 
-	bltz	v0, 2f			# seccomp failed? Skip syscall
+	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	t0, s0
+	move	v0, s0			# restore syscall
+
 	RESTORE_STATIC
 	lw	a0, PT_R4(sp)		# Restore argument registers
 	lw	a1, PT_R5(sp)
 	lw	a2, PT_R6(sp)
 	lw	a3, PT_R7(sp)
-	jalr	t0
+	j	syscall_common
 
-	li	t0, -EMAXERRNO - 1	# error?
-	sltu	t0, t0, v0
-	sw	t0, PT_R7(sp)		# set error flag
-	beqz	t0, 1f
-
-	lw	t1, PT_R2(sp)		# syscall number
-	negu	v0			# error
-	sw	t1, PT_R0(sp)		# save it for syscall restarting
-1:	sw	v0, PT_R2(sp)		# result
-
-2:	j	syscall_exit
+1:	j	syscall_exit
 
 /* ------------------------------------------------------------------------ */
 
@@ -599,3 +592,5 @@
 	PTR	sys_memfd_create
 	PTR	sys_bpf				/* 4355 */
 	PTR	sys_execveat
+	PTR	sys_userfaultfd
+	PTR	sys_membarrier
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index a6f6b76..e732981 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -39,18 +39,11 @@
 	.set	at
 #endif
 
-	dsubu	t0, v0, __NR_64_Linux	# check syscall number
-	sltiu	t0, t0, __NR_64_Linux_syscalls + 1
 #if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32)
 	ld	t1, PT_EPC(sp)		# skip syscall on return
 	daddiu	t1, 4			# skip to next instruction
 	sd	t1, PT_EPC(sp)
 #endif
-	beqz	t0, illegal_syscall
-
-	dsll	t0, v0, 3		# offset into table
-	ld	t2, (sys_call_table - (__NR_64_Linux * 8))(t0)
-					# syscall routine
 
 	sd	a3, PT_R26(sp)		# save a3 for syscall restarting
 
@@ -59,6 +52,17 @@
 	and	t0, t1, t0
 	bnez	t0, syscall_trace_entry
 
+syscall_common:
+	dsubu	t2, v0, __NR_64_Linux
+	sltiu   t0, t2, __NR_64_Linux_syscalls + 1
+	beqz	t0, illegal_syscall
+
+	dsll	t0, t2, 3		# offset into table
+	dla	t2, sys_call_table
+	daddu	t0, t2, t0
+	ld	t2, (t0)		# syscall routine
+	beqz	t2, illegal_syscall
+
 	jalr	t2			# Do The Real Thing (TM)
 
 	li	t0, -EMAXERRNO - 1	# error?
@@ -78,14 +82,14 @@
 
 syscall_trace_entry:
 	SAVE_STATIC
-	move	s0, t2
+	move	s0, v0
 	move	a0, sp
 	move	a1, v0
 	jal	syscall_trace_enter
 
-	bltz	v0, 2f			# seccomp failed? Skip syscall
+	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	t0, s0
+	move	v0, s0
 	RESTORE_STATIC
 	ld	a0, PT_R4(sp)		# Restore argument registers
 	ld	a1, PT_R5(sp)
@@ -93,19 +97,9 @@
 	ld	a3, PT_R7(sp)
 	ld	a4, PT_R8(sp)
 	ld	a5, PT_R9(sp)
-	jalr	t0
+	j	syscall_common
 
-	li	t0, -EMAXERRNO - 1	# error?
-	sltu	t0, t0, v0
-	sd	t0, PT_R7(sp)		# set error flag
-	beqz	t0, 1f
-
-	ld	t1, PT_R2(sp)		# syscall number
-	dnegu	v0			# error
-	sd	t1, PT_R0(sp)		# save it for syscall restarting
-1:	sd	v0, PT_R2(sp)		# result
-
-2:	j	syscall_exit
+1:	j	syscall_exit
 
 illegal_syscall:
 	/* This also isn't a 64-bit syscall, throw an error.  */
@@ -436,4 +430,6 @@
 	PTR	sys_memfd_create
 	PTR	sys_bpf				/* 5315 */
 	PTR	sys_execveat
+	PTR	sys_userfaultfd
+	PTR	sys_membarrier
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 4b20106..c794843 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -52,6 +52,7 @@
 	and	t0, t1, t0
 	bnez	t0, n32_syscall_trace_entry
 
+syscall_common:
 	jalr	t2			# Do The Real Thing (TM)
 
 	li	t0, -EMAXERRNO - 1	# error?
@@ -75,9 +76,9 @@
 	move	a1, v0
 	jal	syscall_trace_enter
 
-	bltz	v0, 2f			# seccomp failed? Skip syscall
+	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	t0, s0
+	move	t2, s0
 	RESTORE_STATIC
 	ld	a0, PT_R4(sp)		# Restore argument registers
 	ld	a1, PT_R5(sp)
@@ -85,19 +86,9 @@
 	ld	a3, PT_R7(sp)
 	ld	a4, PT_R8(sp)
 	ld	a5, PT_R9(sp)
-	jalr	t0
+	j	syscall_common
 
-	li	t0, -EMAXERRNO - 1	# error?
-	sltu	t0, t0, v0
-	sd	t0, PT_R7(sp)		# set error flag
-	beqz	t0, 1f
-
-	ld	t1, PT_R2(sp)		# syscall number
-	dnegu	v0			# error
-	sd	t1, PT_R0(sp)		# save it for syscall restarting
-1:	sd	v0, PT_R2(sp)		# result
-
-2:	j	syscall_exit
+1:	j	syscall_exit
 
 not_n32_scall:
 	/* This is not an n32 compatibility syscall, pass it on to
@@ -429,4 +420,6 @@
 	PTR	sys_memfd_create
 	PTR	sys_bpf
 	PTR	compat_sys_execveat		/* 6320 */
+	PTR	sys_userfaultfd
+	PTR	sys_membarrier
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index f543ff4..6369cfd 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -87,6 +87,7 @@
 	and	t0, t1, t0
 	bnez	t0, trace_a_syscall
 
+syscall_common:
 	jalr	t2			# Do The Real Thing (TM)
 
 	li	t0, -EMAXERRNO - 1	# error?
@@ -130,9 +131,9 @@
 
 1:	jal	syscall_trace_enter
 
-	bltz	v0, 2f			# seccomp failed? Skip syscall
+	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	t0, s0
+	move	t2, s0
 	RESTORE_STATIC
 	ld	a0, PT_R4(sp)		# Restore argument registers
 	ld	a1, PT_R5(sp)
@@ -142,19 +143,9 @@
 	ld	a5, PT_R9(sp)
 	ld	a6, PT_R10(sp)
 	ld	a7, PT_R11(sp)		# For indirect syscalls
-	jalr	t0
+	j	syscall_common
 
-	li	t0, -EMAXERRNO - 1	# error?
-	sltu	t0, t0, v0
-	sd	t0, PT_R7(sp)		# set error flag
-	beqz	t0, 1f
-
-	ld	t1, PT_R2(sp)		# syscall number
-	dnegu	v0			# error
-	sd	t1, PT_R0(sp)		# save it for syscall restarting
-1:	sd	v0, PT_R2(sp)		# result
-
-2:	j	syscall_exit
+1:	j	syscall_exit
 
 /* ------------------------------------------------------------------------ */
 
@@ -584,4 +575,6 @@
 	PTR	sys_memfd_create
 	PTR	sys_bpf				/* 4355 */
 	PTR	compat_sys_execveat
+	PTR	sys_userfaultfd
+	PTR	sys_membarrier
 	.size	sys32_call_table,.-sys32_call_table
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 35b8316..4795151 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -338,7 +338,7 @@
 		if (end <= reserved_end)
 			continue;
 #ifdef CONFIG_BLK_DEV_INITRD
-		/* mapstart should be after initrd_end */
+		/* Skip zones before initrd and initrd itself */
 		if (initrd_end && end <= (unsigned long)PFN_UP(__pa(initrd_end)))
 			continue;
 #endif
@@ -371,6 +371,14 @@
 		max_low_pfn = PFN_DOWN(HIGHMEM_START);
 	}
 
+#ifdef CONFIG_BLK_DEV_INITRD
+	/*
+	 * mapstart should be after initrd_end
+	 */
+	if (initrd_end)
+		mapstart = max(mapstart, (unsigned long)PFN_UP(__pa(initrd_end)));
+#endif
+
 	/*
 	 * Initialize the boot-time allocator with low memory only.
 	 */
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index a31896c..bd4385a 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -42,6 +42,7 @@
 #include <asm/mmu_context.h>
 #include <asm/time.h>
 #include <asm/setup.h>
+#include <asm/maar.h>
 
 cpumask_t cpu_callin_map;		/* Bitmask of started secondaries */
 
@@ -157,6 +158,7 @@
 	mips_clockevent_init();
 	mp_ops->init_secondary();
 	cpu_report();
+	maar_init();
 
 	/*
 	 * XXX parity protection should be folded in here when it's converted
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index cd4c129..49ff3bf 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -55,6 +55,7 @@
 	{ "msa_disabled", VCPU_STAT(msa_disabled_exits), KVM_STAT_VCPU },
 	{ "flush_dcache", VCPU_STAT(flush_dcache_exits), KVM_STAT_VCPU },
 	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll), KVM_STAT_VCPU },
+	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll), KVM_STAT_VCPU },
 	{ "halt_wakeup",  VCPU_STAT(halt_wakeup),	 KVM_STAT_VCPU },
 	{NULL}
 };
diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c
index f6c44dd..d6d07ad 100644
--- a/arch/mips/loongson64/common/env.c
+++ b/arch/mips/loongson64/common/env.c
@@ -64,6 +64,9 @@
 	}
 	if (memsize == 0)
 		memsize = 256;
+
+	loongson_sysconf.nr_uarts = 1;
+
 	pr_info("memsize=%u, highmemsize=%u\n", memsize, highmemsize);
 #else
 	struct boot_params *boot_p;
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index a914dc1..d8117be 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -100,7 +100,7 @@
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+	     if (dev->coherent_dma_mask < DMA_BIT_MASK(sizeof(phys_addr_t) * 8))
 		dma_flag = __GFP_DMA;
 	else
 #endif
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 66d0f49..8770e61 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -44,6 +44,7 @@
 #include <asm/pgalloc.h>
 #include <asm/tlb.h>
 #include <asm/fixmap.h>
+#include <asm/maar.h>
 
 /*
  * We have up to 8 empty zeroed pages so we can map one of the right colour
@@ -252,6 +253,119 @@
 #endif
 }
 
+unsigned __weak platform_maar_init(unsigned num_pairs)
+{
+	struct maar_config cfg[BOOT_MEM_MAP_MAX];
+	unsigned i, num_configured, num_cfg = 0;
+	phys_addr_t skip;
+
+	for (i = 0; i < boot_mem_map.nr_map; i++) {
+		switch (boot_mem_map.map[i].type) {
+		case BOOT_MEM_RAM:
+		case BOOT_MEM_INIT_RAM:
+			break;
+		default:
+			continue;
+		}
+
+		skip = 0x10000 - (boot_mem_map.map[i].addr & 0xffff);
+
+		cfg[num_cfg].lower = boot_mem_map.map[i].addr;
+		cfg[num_cfg].lower += skip;
+
+		cfg[num_cfg].upper = cfg[num_cfg].lower;
+		cfg[num_cfg].upper += boot_mem_map.map[i].size - 1;
+		cfg[num_cfg].upper -= skip;
+
+		cfg[num_cfg].attrs = MIPS_MAAR_S;
+		num_cfg++;
+	}
+
+	num_configured = maar_config(cfg, num_cfg, num_pairs);
+	if (num_configured < num_cfg)
+		pr_warn("Not enough MAAR pairs (%u) for all bootmem regions (%u)\n",
+			num_pairs, num_cfg);
+
+	return num_configured;
+}
+
+void maar_init(void)
+{
+	unsigned num_maars, used, i;
+	phys_addr_t lower, upper, attr;
+	static struct {
+		struct maar_config cfgs[3];
+		unsigned used;
+	} recorded = { { { 0 } }, 0 };
+
+	if (!cpu_has_maar)
+		return;
+
+	/* Detect the number of MAARs */
+	write_c0_maari(~0);
+	back_to_back_c0_hazard();
+	num_maars = read_c0_maari() + 1;
+
+	/* MAARs should be in pairs */
+	WARN_ON(num_maars % 2);
+
+	/* Set MAARs using values we recorded already */
+	if (recorded.used) {
+		used = maar_config(recorded.cfgs, recorded.used, num_maars / 2);
+		BUG_ON(used != recorded.used);
+	} else {
+		/* Configure the required MAARs */
+		used = platform_maar_init(num_maars / 2);
+	}
+
+	/* Disable any further MAARs */
+	for (i = (used * 2); i < num_maars; i++) {
+		write_c0_maari(i);
+		back_to_back_c0_hazard();
+		write_c0_maar(0);
+		back_to_back_c0_hazard();
+	}
+
+	if (recorded.used)
+		return;
+
+	pr_info("MAAR configuration:\n");
+	for (i = 0; i < num_maars; i += 2) {
+		write_c0_maari(i);
+		back_to_back_c0_hazard();
+		upper = read_c0_maar();
+
+		write_c0_maari(i + 1);
+		back_to_back_c0_hazard();
+		lower = read_c0_maar();
+
+		attr = lower & upper;
+		lower = (lower & MIPS_MAAR_ADDR) << 4;
+		upper = ((upper & MIPS_MAAR_ADDR) << 4) | 0xffff;
+
+		pr_info("  [%d]: ", i / 2);
+		if (!(attr & MIPS_MAAR_V)) {
+			pr_cont("disabled\n");
+			continue;
+		}
+
+		pr_cont("%pa-%pa", &lower, &upper);
+
+		if (attr & MIPS_MAAR_S)
+			pr_cont(" speculate");
+
+		pr_cont("\n");
+
+		/* Record the setup for use on secondary CPUs */
+		if (used <= ARRAY_SIZE(recorded.cfgs)) {
+			recorded.cfgs[recorded.used].lower = lower;
+			recorded.cfgs[recorded.used].upper = upper;
+			recorded.cfgs[recorded.used].attrs = attr;
+			recorded.used++;
+		}
+	}
+}
+
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 int page_is_ram(unsigned long pagenr)
 {
@@ -334,69 +448,6 @@
 #endif
 }
 
-unsigned __weak platform_maar_init(unsigned num_pairs)
-{
-	struct maar_config cfg[BOOT_MEM_MAP_MAX];
-	unsigned i, num_configured, num_cfg = 0;
-	phys_addr_t skip;
-
-	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		switch (boot_mem_map.map[i].type) {
-		case BOOT_MEM_RAM:
-		case BOOT_MEM_INIT_RAM:
-			break;
-		default:
-			continue;
-		}
-
-		skip = 0x10000 - (boot_mem_map.map[i].addr & 0xffff);
-
-		cfg[num_cfg].lower = boot_mem_map.map[i].addr;
-		cfg[num_cfg].lower += skip;
-
-		cfg[num_cfg].upper = cfg[num_cfg].lower;
-		cfg[num_cfg].upper += boot_mem_map.map[i].size - 1;
-		cfg[num_cfg].upper -= skip;
-
-		cfg[num_cfg].attrs = MIPS_MAAR_S;
-		num_cfg++;
-	}
-
-	num_configured = maar_config(cfg, num_cfg, num_pairs);
-	if (num_configured < num_cfg)
-		pr_warn("Not enough MAAR pairs (%u) for all bootmem regions (%u)\n",
-			num_pairs, num_cfg);
-
-	return num_configured;
-}
-
-static void maar_init(void)
-{
-	unsigned num_maars, used, i;
-
-	if (!cpu_has_maar)
-		return;
-
-	/* Detect the number of MAARs */
-	write_c0_maari(~0);
-	back_to_back_c0_hazard();
-	num_maars = read_c0_maari() + 1;
-
-	/* MAARs should be in pairs */
-	WARN_ON(num_maars % 2);
-
-	/* Configure the required MAARs */
-	used = platform_maar_init(num_maars / 2);
-
-	/* Disable any further MAARs */
-	for (i = (used * 2); i < num_maars; i++) {
-		write_c0_maari(i);
-		back_to_back_c0_hazard();
-		write_c0_maar(0);
-		back_to_back_c0_hazard();
-	}
-}
-
 void __init mem_init(void)
 {
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/mips/net/bpf_jit_asm.S b/arch/mips/net/bpf_jit_asm.S
index e927260..5d2e0c8 100644
--- a/arch/mips/net/bpf_jit_asm.S
+++ b/arch/mips/net/bpf_jit_asm.S
@@ -57,15 +57,28 @@
 
 LEAF(sk_load_word)
 	is_offset_negative(word)
-	.globl sk_load_word_positive
-sk_load_word_positive:
+FEXPORT(sk_load_word_positive)
 	is_offset_in_header(4, word)
 	/* Offset within header boundaries */
 	PTR_ADDU t1, $r_skb_data, offset
+	.set	reorder
 	lw	$r_A, 0(t1)
+	.set	noreorder
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
+# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
 	wsbh	t0, $r_A
 	rotr	$r_A, t0, 16
+# else
+	sll	t0, $r_A, 24
+	srl	t1, $r_A, 24
+	srl	t2, $r_A, 8
+	or	t0, t0, t1
+	andi	t2, t2, 0xff00
+	andi	t1, $r_A, 0xff00
+	or	t0, t0, t2
+	sll	t1, t1, 8
+	or	$r_A, t0, t1
+# endif
 #endif
 	jr	$r_ra
 	 move	$r_ret, zero
@@ -73,15 +86,24 @@
 
 LEAF(sk_load_half)
 	is_offset_negative(half)
-	.globl sk_load_half_positive
-sk_load_half_positive:
+FEXPORT(sk_load_half_positive)
 	is_offset_in_header(2, half)
 	/* Offset within header boundaries */
 	PTR_ADDU t1, $r_skb_data, offset
+	.set	reorder
 	lh	$r_A, 0(t1)
+	.set	noreorder
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
+# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
 	wsbh	t0, $r_A
 	seh	$r_A, t0
+# else
+	sll	t0, $r_A, 24
+	andi	t1, $r_A, 0xff00
+	sra	t0, t0, 16
+	srl	t1, t1, 8
+	or	$r_A, t0, t1
+# endif
 #endif
 	jr	$r_ra
 	 move	$r_ret, zero
@@ -89,8 +111,7 @@
 
 LEAF(sk_load_byte)
 	is_offset_negative(byte)
-	.globl sk_load_byte_positive
-sk_load_byte_positive:
+FEXPORT(sk_load_byte_positive)
 	is_offset_in_header(1, byte)
 	/* Offset within header boundaries */
 	PTR_ADDU t1, $r_skb_data, offset
@@ -148,23 +169,47 @@
 NESTED(bpf_slow_path_word, (6 * SZREG), $r_sp)
 	bpf_slow_path_common(4)
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
+# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
 	wsbh	t0, $r_s0
 	jr	$r_ra
 	 rotr	$r_A, t0, 16
-#endif
+# else
+	sll	t0, $r_s0, 24
+	srl	t1, $r_s0, 24
+	srl	t2, $r_s0, 8
+	or	t0, t0, t1
+	andi	t2, t2, 0xff00
+	andi	t1, $r_s0, 0xff00
+	or	t0, t0, t2
+	sll	t1, t1, 8
 	jr	$r_ra
-	move	$r_A, $r_s0
+	 or	$r_A, t0, t1
+# endif
+#else
+	jr	$r_ra
+	 move	$r_A, $r_s0
+#endif
 
 	END(bpf_slow_path_word)
 
 NESTED(bpf_slow_path_half, (6 * SZREG), $r_sp)
 	bpf_slow_path_common(2)
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
+# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
 	jr	$r_ra
 	 wsbh	$r_A, $r_s0
-#endif
+# else
+	sll	t0, $r_s0, 8
+	andi	t1, $r_s0, 0xff00
+	andi	t0, t0, 0xff00
+	srl	t1, t1, 8
+	jr	$r_ra
+	 or	$r_A, t0, t1
+# endif
+#else
 	jr	$r_ra
 	 move	$r_A, $r_s0
+#endif
 
 	END(bpf_slow_path_half)
 
diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c
index 0136b4f..10d86d5 100644
--- a/arch/mips/netlogic/common/smp.c
+++ b/arch/mips/netlogic/common/smp.c
@@ -82,7 +82,7 @@
 }
 
 /* IRQ_IPI_SMP_FUNCTION Handler */
-void nlm_smp_function_ipi_handler(unsigned int __irq, struct irq_desc *desc)
+void nlm_smp_function_ipi_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	clear_c0_eimr(irq);
@@ -92,7 +92,7 @@
 }
 
 /* IRQ_IPI_SMP_RESCHEDULE  handler */
-void nlm_smp_resched_ipi_handler(unsigned int __irq, struct irq_desc *desc)
+void nlm_smp_resched_ipi_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	clear_c0_eimr(irq);
diff --git a/arch/mips/pci/pci-ar2315.c b/arch/mips/pci/pci-ar2315.c
index f8d0acb..b4fa641 100644
--- a/arch/mips/pci/pci-ar2315.c
+++ b/arch/mips/pci/pci-ar2315.c
@@ -318,7 +318,7 @@
 	return 0;
 }
 
-static void ar2315_pci_irq_handler(unsigned irq, struct irq_desc *desc)
+static void ar2315_pci_irq_handler(struct irq_desc *desc)
 {
 	struct ar2315_pci_ctrl *apc = irq_desc_get_handler_data(desc);
 	u32 pending = ar2315_pci_reg_read(apc, AR2315_PCI_ISR) &
diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c
index ad35a5e..7db963d 100644
--- a/arch/mips/pci/pci-ar71xx.c
+++ b/arch/mips/pci/pci-ar71xx.c
@@ -226,7 +226,7 @@
 	.write	= ar71xx_pci_write_config,
 };
 
-static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ar71xx_pci_irq_handler(struct irq_desc *desc)
 {
 	struct ar71xx_pci_controller *apc;
 	void __iomem *base = ath79_reset_base;
diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c
index 907d11d..2013dad 100644
--- a/arch/mips/pci/pci-ar724x.c
+++ b/arch/mips/pci/pci-ar724x.c
@@ -225,7 +225,7 @@
 	.write	= ar724x_pci_write,
 };
 
-static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ar724x_pci_irq_handler(struct irq_desc *desc)
 {
 	struct ar724x_pci_controller *apc;
 	void __iomem *base;
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index 53c8efa..ed6732f9 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -129,7 +129,7 @@
 	rt3883_pci_w32(rpc, val, RT3883_PCI_REG_CFGDATA);
 }
 
-static void rt3883_pci_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void rt3883_pci_irq_handler(struct irq_desc *desc)
 {
 	struct rt3883_pci_controller *rpc;
 	u32 pending;
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index c6996cf..b8a0bf5 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -311,6 +311,12 @@
 
 void pcibios_fixup_bus(struct pci_bus *bus)
 {
+	struct pci_dev *dev = bus->self;
+
+	if (pci_has_flag(PCI_PROBE_ONLY) && dev &&
+	    (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
+		pci_read_bridge_bases(bus);
+	}
 }
 
 EXPORT_SYMBOL(PCIBIOS_MIN_IO);
diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c
index 8c624a8..4cf77f3 100644
--- a/arch/mips/ralink/irq.c
+++ b/arch/mips/ralink/irq.c
@@ -96,7 +96,7 @@
 	return CP0_LEGACY_COMPARE_IRQ;
 }
 
-static void ralink_intc_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ralink_intc_irq_handler(struct irq_desc *desc)
 {
 	u32 pending = rt_intc_r32(INTC_REG_STATUS0);
 
diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild
index 6edb9ee..1c8dd0f 100644
--- a/arch/mn10300/include/asm/Kbuild
+++ b/arch/mn10300/include/asm/Kbuild
@@ -9,3 +9,4 @@
 generic-y += preempt.h
 generic-y += sections.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c
index deaa893..3dfe2d3 100644
--- a/arch/mn10300/unit-asb2305/pci.c
+++ b/arch/mn10300/unit-asb2305/pci.c
@@ -324,6 +324,7 @@
 	struct pci_dev *dev;
 
 	if (bus->self) {
+		pci_read_bridge_bases(bus);
 		pcibios_fixup_bridge_resources(bus->self);
 	}
 
diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild
index 914864e..d63330e 100644
--- a/arch/nios2/include/asm/Kbuild
+++ b/arch/nios2/include/asm/Kbuild
@@ -61,4 +61,5 @@
 generic-y += unaligned.h
 generic-y += user.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 73eddda..4eec430 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -28,6 +28,9 @@
 endif
 ifdef CONFIG_CPU_BIG_ENDIAN
 BOOTCFLAGS	+= -mbig-endian
+else
+BOOTCFLAGS	+= -mlittle-endian
+BOOTCFLAGS	+= $(call cc-option,-mabi=elfv2)
 endif
 
 BOOTAFLAGS	:= -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 98eebbf..827a38d 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -44,6 +44,7 @@
 #ifdef CONFIG_KVM_MMIO
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
 #endif
+#define KVM_HALT_POLL_NS_DEFAULT 500000
 
 /* These values are internal and can be increased later */
 #define KVM_NR_IRQCHIPS          1
@@ -108,6 +109,7 @@
 	u32 dec_exits;
 	u32 ext_intr_exits;
 	u32 halt_successful_poll;
+	u32 halt_attempted_poll;
 	u32 halt_wakeup;
 	u32 dbell_exits;
 	u32 gdbell_exits;
diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h
index 25784cc..1e155ca 100644
--- a/arch/powerpc/include/asm/qe_ic.h
+++ b/arch/powerpc/include/asm/qe_ic.h
@@ -59,14 +59,14 @@
 
 #ifdef CONFIG_QUICC_ENGINE
 void qe_ic_init(struct device_node *node, unsigned int flags,
-		void (*low_handler)(unsigned int irq, struct irq_desc *desc),
-		void (*high_handler)(unsigned int irq, struct irq_desc *desc));
+		void (*low_handler)(struct irq_desc *desc),
+		void (*high_handler)(struct irq_desc *desc));
 unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
 unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
 #else
 static inline void qe_ic_init(struct device_node *node, unsigned int flags,
-		void (*low_handler)(unsigned int irq, struct irq_desc *desc),
-		void (*high_handler)(unsigned int irq, struct irq_desc *desc))
+		void (*low_handler)(struct irq_desc *desc),
+		void (*high_handler)(struct irq_desc *desc))
 {}
 static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
 { return 0; }
@@ -78,8 +78,7 @@
 int qe_ic_set_priority(unsigned int virq, unsigned int priority);
 int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
 
-static inline void qe_ic_cascade_low_ipic(unsigned int irq,
-					  struct irq_desc *desc)
+static inline void qe_ic_cascade_low_ipic(struct irq_desc *desc)
 {
 	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
 	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
@@ -88,8 +87,7 @@
 		generic_handle_irq(cascade_irq);
 }
 
-static inline void qe_ic_cascade_high_ipic(unsigned int irq,
-					   struct irq_desc *desc)
+static inline void qe_ic_cascade_high_ipic(struct irq_desc *desc)
 {
 	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
 	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
@@ -98,8 +96,7 @@
 		generic_handle_irq(cascade_irq);
 }
 
-static inline void qe_ic_cascade_low_mpic(unsigned int irq,
-					  struct irq_desc *desc)
+static inline void qe_ic_cascade_low_mpic(struct irq_desc *desc)
 {
 	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
 	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
@@ -111,8 +108,7 @@
 	chip->irq_eoi(&desc->irq_data);
 }
 
-static inline void qe_ic_cascade_high_mpic(unsigned int irq,
-					   struct irq_desc *desc)
+static inline void qe_ic_cascade_high_mpic(struct irq_desc *desc)
 {
 	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
 	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
@@ -124,8 +120,7 @@
 	chip->irq_eoi(&desc->irq_data);
 }
 
-static inline void qe_ic_cascade_muxed_mpic(unsigned int irq,
-					    struct irq_desc *desc)
+static inline void qe_ic_cascade_muxed_mpic(struct irq_desc *desc)
 {
 	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
 	unsigned int cascade_irq;
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 71f2b3f..126d0c4 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -368,3 +368,5 @@
 SYSCALL_SPU(bpf)
 COMPAT_SYS(execveat)
 PPC64ONLY(switch_endian)
+SYSCALL_SPU(userfaultfd)
+SYSCALL_SPU(membarrier)
diff --git a/arch/powerpc/include/asm/tsi108_pci.h b/arch/powerpc/include/asm/tsi108_pci.h
index 5653d7c..ae59d5b 100644
--- a/arch/powerpc/include/asm/tsi108_pci.h
+++ b/arch/powerpc/include/asm/tsi108_pci.h
@@ -39,7 +39,7 @@
 
 extern int tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary);
 extern void tsi108_pci_int_init(struct device_node *node);
-extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc);
+extern void tsi108_irq_cascade(struct irq_desc *desc);
 extern void tsi108_clear_pci_cfg_error(void);
 
 #endif				/*  _ASM_POWERPC_TSI108_PCI_H */
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index f4f8b66..13411be 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define __NR_syscalls		364
+#define __NR_syscalls		366
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls
diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h
index 5b3a903..e4396a7 100644
--- a/arch/powerpc/include/asm/word-at-a-time.h
+++ b/arch/powerpc/include/asm/word-at-a-time.h
@@ -40,6 +40,11 @@
 	return (val + c->high_bits) & ~rhs;
 }
 
+static inline unsigned long zero_bytemask(unsigned long mask)
+{
+	return ~1ul << __fls(mask);
+}
+
 #else
 
 #ifdef CONFIG_64BIT
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index e4aa173..6337738 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -386,5 +386,7 @@
 #define __NR_bpf		361
 #define __NR_execveat		362
 #define __NR_switch_endian	363
+#define __NR_userfaultfd	364
+#define __NR_membarrier		365
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 4509603..290559d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -441,7 +441,7 @@
 
 		chip = irq_data_get_irq_chip(data);
 
-		cpumask_and(mask, data->affinity, map);
+		cpumask_and(mask, irq_data_get_affinity_mask(data), map);
 		if (cpumask_any(mask) >= nr_cpu_ids) {
 			pr_warn("Breaking affinity for irq %i\n", irq);
 			cpumask_copy(mask, map);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index a1d0632..7587b2a 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1032,7 +1032,13 @@
 
 void pcibios_fixup_bus(struct pci_bus *bus)
 {
-	/* Fixup the bus */
+	/* When called from the generic PCI probe, read PCI<->PCI bridge
+	 * bases. This is -not- called when generating the PCI tree from
+	 * the OF device-tree.
+	 */
+	pci_read_bridge_bases(bus);
+
+	/* Now fixup the bus bus */
 	pcibios_setup_bus_self(bus);
 
 	/* Now fixup devices on that bus */
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index bb02e9f..ad8c9db 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -38,6 +38,7 @@
 #include <asm/udbg.h>
 #include <asm/mmu_context.h>
 #include <asm/epapr_hcalls.h>
+#include <asm/code-patching.h>
 
 #define DBG(fmt...)
 
@@ -109,6 +110,8 @@
  * This is called very early on the boot process, after a minimal
  * MMU environment has been set up but before MMU_init is called.
  */
+extern unsigned int memset_nocache_branch; /* Insn to be replaced by NOP */
+
 notrace void __init machine_init(u64 dt_ptr)
 {
 	lockdep_init();
@@ -116,6 +119,9 @@
 	/* Enable early debugging if any specified (see udbg.h) */
 	udbg_early_init();
 
+	patch_instruction((unsigned int *)&memcpy, PPC_INST_NOP);
+	patch_instruction(&memset_nocache_branch, PPC_INST_NOP);
+
 	/* Do some early initialization based on the flat device tree */
 	early_init_devtree(__va(dt_ptr));
 
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index d75bf32..099c79d 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -53,6 +53,7 @@
 	{ "ext_intr",    VCPU_STAT(ext_intr_exits) },
 	{ "queue_intr",  VCPU_STAT(queue_intr) },
 	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll), },
+	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll), },
 	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
 	{ "pf_storage",  VCPU_STAT(pf_storage) },
 	{ "sp_storage",  VCPU_STAT(sp_storage) },
@@ -828,12 +829,15 @@
 	unsigned long size = kvmppc_get_gpr(vcpu, 4);
 	unsigned long addr = kvmppc_get_gpr(vcpu, 5);
 	u64 buf;
+	int srcu_idx;
 	int ret;
 
 	if (!is_power_of_2(size) || (size > sizeof(buf)))
 		return H_TOO_HARD;
 
+	srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 	ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, size, &buf);
+	srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
 	if (ret != 0)
 		return H_TOO_HARD;
 
@@ -868,6 +872,7 @@
 	unsigned long addr = kvmppc_get_gpr(vcpu, 5);
 	unsigned long val = kvmppc_get_gpr(vcpu, 6);
 	u64 buf;
+	int srcu_idx;
 	int ret;
 
 	switch (size) {
@@ -891,7 +896,9 @@
 		return H_TOO_HARD;
 	}
 
+	srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 	ret = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, size, &buf);
+	srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
 	if (ret != 0)
 		return H_TOO_HARD;
 
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 9754e68..2280497 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2692,9 +2692,13 @@
 
 	while (vcpu->arch.state == KVMPPC_VCPU_RUNNABLE &&
 	       (vc->vcore_state == VCORE_RUNNING ||
-		vc->vcore_state == VCORE_EXITING))
+		vc->vcore_state == VCORE_EXITING ||
+		vc->vcore_state == VCORE_PIGGYBACK))
 		kvmppc_wait_for_exec(vc, vcpu, TASK_UNINTERRUPTIBLE);
 
+	if (vc->vcore_state == VCORE_PREEMPT && vc->runner == NULL)
+		kvmppc_vcore_end_preempt(vc);
+
 	if (vcpu->arch.state == KVMPPC_VCPU_RUNNABLE) {
 		kvmppc_remove_runnable(vc, vcpu);
 		vcpu->stat.signal_exits++;
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 2273dca..b98889e 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1257,6 +1257,7 @@
 	bl	kvmhv_accumulate_time
 #endif
 
+	mr 	r3, r12
 	/* Increment exit count, poke other threads to exit */
 	bl	kvmhv_commence_exit
 	nop
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index ae458f0..fd58751 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -63,6 +63,7 @@
 	{ "dec",        VCPU_STAT(dec_exits) },
 	{ "ext_intr",   VCPU_STAT(ext_intr_exits) },
 	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll) },
+	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) },
 	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
 	{ "doorbell", VCPU_STAT(dbell_exits) },
 	{ "guest doorbell", VCPU_STAT(gdbell_exits) },
diff --git a/arch/powerpc/lib/copy_32.S b/arch/powerpc/lib/copy_32.S
index 2ef50c6..c44df2d 100644
--- a/arch/powerpc/lib/copy_32.S
+++ b/arch/powerpc/lib/copy_32.S
@@ -73,6 +73,10 @@
  * Use dcbz on the complete cache lines in the destination
  * to set them to zero.  This requires that the destination
  * area is cacheable.  -- paulus
+ *
+ * During early init, cache might not be active yet, so dcbz cannot be used.
+ * We therefore skip the optimised bloc that uses dcbz. This jump is
+ * replaced by a nop once cache is active. This is done in machine_init()
  */
 _GLOBAL(memset)
 	rlwimi	r4,r4,8,16,23
@@ -88,6 +92,8 @@
 	subf	r6,r0,r6
 	cmplwi	0,r4,0
 	bne	2f	/* Use normal procedure if r4 is not zero */
+_GLOBAL(memset_nocache_branch)
+	b	2f	/* Skip optimised bloc until cache is enabled */
 
 	clrlwi	r7,r6,32-LG_CACHELINE_BYTES
 	add	r8,r7,r5
@@ -128,6 +134,10 @@
  * the destination area is cacheable.
  * We only use this version if the source and dest don't overlap.
  * -- paulus.
+ *
+ * During early init, cache might not be active yet, so dcbz cannot be used.
+ * We therefore jump to generic_memcpy which doesn't use dcbz. This jump is
+ * replaced by a nop once cache is active. This is done in machine_init()
  */
 _GLOBAL(memmove)
 	cmplw	0,r3,r4
@@ -135,6 +145,7 @@
 	/* fall through */
 
 _GLOBAL(memcpy)
+	b	generic_memcpy
 	add	r7,r3,r5		/* test if the src & dst overlap */
 	add	r8,r4,r5
 	cmplw	0,r4,r7
diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c
index 43dafb9..4d87122 100644
--- a/arch/powerpc/mm/hugepage-hash64.c
+++ b/arch/powerpc/mm/hugepage-hash64.c
@@ -85,7 +85,6 @@
 	BUG_ON(index >= 4096);
 
 	vpn = hpt_vpn(ea, vsid, ssize);
-	hash = hpt_hash(vpn, shift, ssize);
 	hpte_slot_array = get_hpte_slot_array(pmdp);
 	if (psize == MMU_PAGE_4K) {
 		/*
@@ -101,6 +100,7 @@
 	valid = hpte_valid(hpte_slot_array, index);
 	if (valid) {
 		/* update the hpte bits */
+		hash = hpt_hash(vpn, shift, ssize);
 		hidx =  hpte_hash_index(hpte_slot_array, index);
 		if (hidx & _PTEIDX_SECONDARY)
 			hash = ~hash;
@@ -126,6 +126,7 @@
 	if (!valid) {
 		unsigned long hpte_group;
 
+		hash = hpt_hash(vpn, shift, ssize);
 		/* insert new entry */
 		pa = pmd_pfn(__pmd(old_pmd)) << PAGE_SHIFT;
 		new_pmd |= _PAGE_HASHPTE;
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c
index 11090ab..0035d14 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c
@@ -104,9 +104,10 @@
 	return irq_linear_revmap(cpld_pic_host, cpld_irq);
 }
 
-static void
-cpld_pic_cascade(unsigned int irq, struct irq_desc *desc)
+static void cpld_pic_cascade(struct irq_desc *desc)
 {
+	unsigned int irq;
+
 	irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status,
 		&cpld_regs->pci_mask);
 	if (irq != NO_IRQ) {
diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c
index 32cae33..8fb9548 100644
--- a/arch/powerpc/platforms/52xx/media5200.c
+++ b/arch/powerpc/platforms/52xx/media5200.c
@@ -80,7 +80,7 @@
 	.irq_mask_ack = media5200_irq_mask,
 };
 
-void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc)
+static void media5200_irq_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	int sub_virq, val;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index 6301662..78ac19a 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -191,7 +191,7 @@
 	.irq_set_type = mpc52xx_gpt_irq_set_type,
 };
 
-void mpc52xx_gpt_irq_cascade(unsigned int virq, struct irq_desc *desc)
+static void mpc52xx_gpt_irq_cascade(struct irq_desc *desc)
 {
 	struct mpc52xx_gpt_priv *gpt = irq_desc_get_handler_data(desc);
 	int sub_virq;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 2944bc8..4fe2074 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -196,7 +196,7 @@
 	ctrl_reg |= (type << (22 - (l2irq * 2)));
 	out_be32(&intr->ctrl, ctrl_reg);
 
-	__irq_set_handler_locked(d->irq, handler);
+	irq_set_handler_locked(d, handler);
 
 	return 0;
 }
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 74861a7..60e89fc 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -78,7 +78,7 @@
 	.irq_disable = pq2ads_pci_mask_irq
 };
 
-static void pq2ads_pci_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void pq2ads_pci_irq_demux(struct irq_desc *desc)
 {
 	struct pq2ads_pci_pic *priv = irq_desc_get_handler_data(desc);
 	u32 stat, mask, pend;
diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c
index 7bfb9b1..23791de 100644
--- a/arch/powerpc/platforms/85xx/common.c
+++ b/arch/powerpc/platforms/85xx/common.c
@@ -49,7 +49,7 @@
 	return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);
 }
 #ifdef CONFIG_CPM2
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
+static void cpm2_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	int cascade_irq;
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index b0753e2..5ac70de 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -192,8 +192,7 @@
 }
 
 #ifdef CONFIG_PPC_I8259
-static void mpc85xx_8259_cascade_handler(unsigned int irq,
-					 struct irq_desc *desc)
+static void mpc85xx_8259_cascade_handler(struct irq_desc *desc)
 {
 	unsigned int cascade_irq = i8259_irq();
 
@@ -202,7 +201,7 @@
 		generic_handle_irq(cascade_irq);
 
 	/* check for any interrupts from the shared IRQ line */
-	handle_fasteoi_irq(irq, desc);
+	handle_fasteoi_irq(desc);
 }
 
 static irqreturn_t mpc85xx_8259_cascade_action(int irq, void *dev_id)
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index ffdf021..f858306 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -46,7 +46,7 @@
 #endif
 
 #ifdef CONFIG_PPC_I8259
-static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void mpc85xx_8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = i8259_irq();
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index 55a9682..b02d6a5 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -91,9 +91,10 @@
 			(irq_hw_number_t)i);
 }
 
-void socrates_fpga_pic_cascade(unsigned int irq, struct irq_desc *desc)
+static void socrates_fpga_pic_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
+	unsigned int irq = irq_desc_get_irq(desc);
 	unsigned int cascade_irq;
 
 	/*
diff --git a/arch/powerpc/platforms/86xx/pic.c b/arch/powerpc/platforms/86xx/pic.c
index d5b98c0..845defa 100644
--- a/arch/powerpc/platforms/86xx/pic.c
+++ b/arch/powerpc/platforms/86xx/pic.c
@@ -17,7 +17,7 @@
 #include <asm/i8259.h>
 
 #ifdef CONFIG_PPC_I8259
-static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void mpc86xx_8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = i8259_irq();
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
index d303774..c289fc7 100644
--- a/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -214,7 +214,7 @@
 	panic("Restart failed\n");
 }
 
-static void cpm_cascade(unsigned int irq, struct irq_desc *desc)
+static void cpm_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	int cascade_irq = cpm_get_irq();
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 306888a..e0e68a1 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -93,7 +93,7 @@
 	dcr_write(msic->dcr_host, dcr_n, val);
 }
 
-static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
+static void axon_msi_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct axon_msic *msic = irq_desc_get_handler_data(desc);
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index a15f1ef..9f609fc 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -99,11 +99,12 @@
 {
 }
 
-static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc)
+static void iic_ioexc_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct cbe_iic_regs __iomem *node_iic =
 		(void __iomem *)irq_desc_get_handler_data(desc);
+	unsigned int irq = irq_desc_get_irq(desc);
 	unsigned int base = (irq & 0xffffff00) | IIC_IRQ_TYPE_IOEXC;
 	unsigned long bits, ack;
 	int cascade;
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 1f72f4a..9d27de6 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -199,7 +199,7 @@
 	.xlate = spider_host_xlate,
 };
 
-static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc)
+static void spider_irq_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct spider_pic *pic = irq_desc_get_handler_data(desc);
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 15ebc4e..987d1b8 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -363,7 +363,7 @@
 	if (ppc_md.progress) ppc_md.progress("Linux/PPC "UTS_RELEASE"\n", 0x0);
 }
 
-static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void chrp_8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = i8259_irq();
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 9dd154d..9b79757 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -120,8 +120,7 @@
 	return irq_linear_revmap(h, irq);
 }
 
-static void hlwd_pic_irq_cascade(unsigned int cascade_virq,
-				      struct irq_desc *desc)
+static void hlwd_pic_irq_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct irq_domain *irq_domain = irq_desc_get_handler_data(desc);
diff --git a/arch/powerpc/platforms/embedded6xx/mvme5100.c b/arch/powerpc/platforms/embedded6xx/mvme5100.c
index 1613303..8f65aa3 100644
--- a/arch/powerpc/platforms/embedded6xx/mvme5100.c
+++ b/arch/powerpc/platforms/embedded6xx/mvme5100.c
@@ -42,7 +42,7 @@
 static phys_addr_t pci_membase;
 static u_char *restart;
 
-static void mvme5100_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void mvme5100_8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = i8259_irq();
diff --git a/arch/powerpc/platforms/pasemi/msi.c b/arch/powerpc/platforms/pasemi/msi.c
index e66ef19..b304a9f 100644
--- a/arch/powerpc/platforms/pasemi/msi.c
+++ b/arch/powerpc/platforms/pasemi/msi.c
@@ -63,6 +63,7 @@
 static void pasemi_msi_teardown_msi_irqs(struct pci_dev *pdev)
 {
 	struct msi_desc *entry;
+	irq_hw_number_t hwirq;
 
 	pr_debug("pasemi_msi_teardown_msi_irqs, pdev %p\n", pdev);
 
@@ -70,10 +71,10 @@
 		if (entry->irq == NO_IRQ)
 			continue;
 
+		hwirq = virq_to_hw(entry->irq);
 		irq_set_msi_desc(entry->irq, NULL);
-		msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap,
-				       virq_to_hw(entry->irq), ALLOC_CHUNK);
 		irq_dispose_mapping(entry->irq);
+		msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap, hwirq, ALLOC_CHUNK);
 	}
 
 	return;
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 2927cd5..414fd1a 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2049,9 +2049,23 @@
 	struct iommu_table *tbl = NULL;
 	long rc;
 
+	/*
+	 * crashkernel= specifies the kdump kernel's maximum memory at
+	 * some offset and there is no guaranteed the result is a power
+	 * of 2, which will cause errors later.
+	 */
+	const u64 max_memory = __rounddown_pow_of_two(memory_hotplug_max());
+
+	/*
+	 * In memory constrained environments, e.g. kdump kernel, the
+	 * DMA window can be larger than available memory, which will
+	 * cause errors later.
+	 */
+	const u64 window_size = min((u64)pe->table_group.tce32_size, max_memory);
+
 	rc = pnv_pci_ioda2_create_table(&pe->table_group, 0,
 			IOMMU_PAGE_SHIFT_4K,
-			pe->table_group.tce32_size,
+			window_size,
 			POWERNV_IOMMU_DEFAULT_LEVELS, &tbl);
 	if (rc) {
 		pe_err(pe, "Failed to create 32-bit TCE table, err %ld",
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 9b2480b..f2dd772 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -99,6 +99,7 @@
 	struct pci_controller *hose = pci_bus_to_host(pdev->bus);
 	struct pnv_phb *phb = hose->private_data;
 	struct msi_desc *entry;
+	irq_hw_number_t hwirq;
 
 	if (WARN_ON(!phb))
 		return;
@@ -106,10 +107,10 @@
 	for_each_pci_msi_entry(entry, pdev) {
 		if (entry->irq == NO_IRQ)
 			continue;
+		hwirq = virq_to_hw(entry->irq);
 		irq_set_msi_desc(entry->irq, NULL);
-		msi_bitmap_free_hwirqs(&phb->msi_bmp,
-			virq_to_hw(entry->irq) - phb->msi_base, 1);
 		irq_dispose_mapping(entry->irq);
+		msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq - phb->msi_base, 1);
 	}
 }
 #endif /* CONFIG_PCI_MSI */
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 47d9cebe..db17827 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -422,8 +422,10 @@
 
 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);
 	of_node_put(parent);
-	if (!dn)
+	if (!dn) {
+		dlpar_release_drc(drc_index);
 		return -EINVAL;
+	}
 
 	rc = dlpar_attach_node(dn);
 	if (rc) {
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 39a74fa..9a83eb7 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -111,7 +111,7 @@
 		fwnmi_active = 1;
 }
 
-static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void pseries_8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = i8259_irq();
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index a11bd1d..9e86074 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -155,9 +155,9 @@
 
 	irqd_set_trigger_type(d, flow_type);
 	if (flow_type & IRQ_TYPE_LEVEL_LOW)
-		__irq_set_handler_locked(d->irq, handle_level_irq);
+		irq_set_handler_locked(d, handle_level_irq);
 	else
-		__irq_set_handler_locked(d->irq, handle_edge_irq);
+		irq_set_handler_locked(d, handle_edge_irq);
 
 	/* internal IRQ senses are LEVEL_LOW
 	 * EXT IRQ and Port C IRQ senses are programmable
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index 5916da1..48a576a 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -128,15 +128,16 @@
 {
 	struct msi_desc *entry;
 	struct fsl_msi *msi_data;
+	irq_hw_number_t hwirq;
 
 	for_each_pci_msi_entry(entry, pdev) {
 		if (entry->irq == NO_IRQ)
 			continue;
+		hwirq = virq_to_hw(entry->irq);
 		msi_data = irq_get_chip_data(entry->irq);
 		irq_set_msi_desc(entry->irq, NULL);
-		msi_bitmap_free_hwirqs(&msi_data->bitmap,
-				       virq_to_hw(entry->irq), 1);
 		irq_dispose_mapping(entry->irq);
+		msi_bitmap_free_hwirqs(&msi_data->bitmap, hwirq, 1);
 	}
 
 	return;
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
index 2bcb78b..d57b775 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.c
+++ b/arch/powerpc/sysdev/ge/ge_pic.c
@@ -91,7 +91,7 @@
  * should be masked out.
  */
 
-void gef_pic_cascade(unsigned int irq, struct irq_desc *desc)
+static void gef_pic_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq;
diff --git a/arch/powerpc/sysdev/ge/ge_pic.h b/arch/powerpc/sysdev/ge/ge_pic.h
index 908dbd9..5bf7e4b 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.h
+++ b/arch/powerpc/sysdev/ge/ge_pic.h
@@ -1,8 +1,6 @@
 #ifndef __GEF_PIC_H__
 #define __GEF_PIC_H__
 
-
-void gef_pic_cascade(unsigned int, struct irq_desc *);
 unsigned int gef_pic_get_irq(void);
 void gef_pic_init(struct device_node *);
 
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 6b2b689..b1297ab 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -624,10 +624,10 @@
 
 	irqd_set_trigger_type(d, flow_type);
 	if (flow_type & IRQ_TYPE_LEVEL_LOW)  {
-		__irq_set_handler_locked(d->irq, handle_level_irq);
+		irq_set_handler_locked(d, handle_level_irq);
 		d->chip = &ipic_level_irq_chip;
 	} else {
-		__irq_set_handler_locked(d->irq, handle_edge_irq);
+		irq_set_handler_locked(d, handle_edge_irq);
 		d->chip = &ipic_edge_irq_chip;
 	}
 
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c
index d93a78be..9a42397 100644
--- a/arch/powerpc/sysdev/mpc8xx_pic.c
+++ b/arch/powerpc/sysdev/mpc8xx_pic.c
@@ -55,7 +55,7 @@
 		unsigned int siel = in_be32(&siu_reg->sc_siel);
 		siel |= mpc8xx_irqd_to_bit(d);
 		out_be32(&siu_reg->sc_siel, siel);
-		__irq_set_handler_locked(d->irq, handle_edge_irq);
+		irq_set_handler_locked(d, handle_edge_irq);
 	}
 	return 0;
 }
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 97a8ae8..537e5db 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1181,7 +1181,7 @@
 }
 
 /* IRQ handler for a secondary MPIC cascaded from another IRQ controller */
-static void mpic_cascade(unsigned int irq, struct irq_desc *desc)
+static void mpic_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct mpic *mpic = irq_desc_get_handler_data(desc);
diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c
index 70fbd56..2cbc7e2 100644
--- a/arch/powerpc/sysdev/mpic_u3msi.c
+++ b/arch/powerpc/sysdev/mpic_u3msi.c
@@ -107,15 +107,16 @@
 static void u3msi_teardown_msi_irqs(struct pci_dev *pdev)
 {
 	struct msi_desc *entry;
+	irq_hw_number_t hwirq;
 
 	for_each_pci_msi_entry(entry, pdev) {
 		if (entry->irq == NO_IRQ)
 			continue;
 
+		hwirq = virq_to_hw(entry->irq);
 		irq_set_msi_desc(entry->irq, NULL);
-		msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap,
-				       virq_to_hw(entry->irq), 1);
 		irq_dispose_mapping(entry->irq);
+		msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap, hwirq, 1);
 	}
 
 	return;
diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
index 24d0470..8fb8061 100644
--- a/arch/powerpc/sysdev/ppc4xx_msi.c
+++ b/arch/powerpc/sysdev/ppc4xx_msi.c
@@ -124,16 +124,17 @@
 {
 	struct msi_desc *entry;
 	struct ppc4xx_msi *msi_data = &ppc4xx_msi;
+	irq_hw_number_t hwirq;
 
 	dev_dbg(&dev->dev, "PCIE-MSI: tearing down msi irqs\n");
 
 	for_each_pci_msi_entry(entry, dev) {
 		if (entry->irq == NO_IRQ)
 			continue;
+		hwirq = virq_to_hw(entry->irq);
 		irq_set_msi_desc(entry->irq, NULL);
-		msi_bitmap_free_hwirqs(&msi_data->bitmap,
-				virq_to_hw(entry->irq), 1);
 		irq_dispose_mapping(entry->irq);
+		msi_bitmap_free_hwirqs(&msi_data->bitmap, hwirq, 1);
 	}
 }
 
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 47b352e..fbcc1f8 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -311,8 +311,8 @@
 }
 
 void __init qe_ic_init(struct device_node *node, unsigned int flags,
-		void (*low_handler)(unsigned int irq, struct irq_desc *desc),
-		void (*high_handler)(unsigned int irq, struct irq_desc *desc))
+		       void (*low_handler)(struct irq_desc *desc),
+		       void (*high_handler)(struct irq_desc *desc))
 {
 	struct qe_ic *qe_ic;
 	struct resource res;
diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c
index 57b5447..379de95 100644
--- a/arch/powerpc/sysdev/tsi108_pci.c
+++ b/arch/powerpc/sysdev/tsi108_pci.c
@@ -428,7 +428,7 @@
 	init_pci_source();
 }
 
-void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc)
+void tsi108_irq_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = get_pci_source();
diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c
index d773453..6893d8f 100644
--- a/arch/powerpc/sysdev/uic.c
+++ b/arch/powerpc/sysdev/uic.c
@@ -194,7 +194,7 @@
 	.xlate	= irq_domain_xlate_twocell,
 };
 
-void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)
+static void uic_irq_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct irq_data *idata = irq_desc_get_irq_data(desc);
diff --git a/arch/powerpc/sysdev/xics/ics-opal.c b/arch/powerpc/sysdev/xics/ics-opal.c
index 11ac964..27c936c 100644
--- a/arch/powerpc/sysdev/xics/ics-opal.c
+++ b/arch/powerpc/sysdev/xics/ics-opal.c
@@ -54,7 +54,7 @@
 	if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS)
 		return;
 
-	server = xics_get_irq_server(d->irq, d->affinity, 0);
+	server = xics_get_irq_server(d->irq, irq_data_get_affinity_mask(d), 0);
 	server = ics_opal_mangle_server(server);
 
 	rc = opal_set_xive(hw_irq, server, DEFAULT_PRIORITY);
diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c
index d1c625c..3854dd4 100644
--- a/arch/powerpc/sysdev/xics/ics-rtas.c
+++ b/arch/powerpc/sysdev/xics/ics-rtas.c
@@ -47,7 +47,7 @@
 	if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS)
 		return;
 
-	server = xics_get_irq_server(d->irq, d->affinity, 0);
+	server = xics_get_irq_server(d->irq, irq_data_get_affinity_mask(d), 0);
 
 	call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hw_irq, server,
 				DEFAULT_PRIORITY);
diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c
index 43b8b27..0f52d79 100644
--- a/arch/powerpc/sysdev/xilinx_intc.c
+++ b/arch/powerpc/sysdev/xilinx_intc.c
@@ -222,7 +222,7 @@
 /*
  * Support code for cascading to 8259 interrupt controllers
  */
-static void xilinx_i8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void xilinx_i8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned int cascade_irq = i8259_irq();
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index d478811..fac6ac9 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -10,7 +10,7 @@
 
 KBUILD_CFLAGS := -m64 -D__KERNEL__ $(LINUX_INCLUDE) -O2
 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
-KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks
+KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -msoft-float
 KBUILD_CFLAGS += $(call cc-option,-mpacked-stack)
 KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
 
diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig
index 0c98f15..ed7da28 100644
--- a/arch/s390/configs/default_defconfig
+++ b/arch/s390/configs/default_defconfig
@@ -381,7 +381,7 @@
 CONFIG_SCSI_DEBUG=m
 CONFIG_ZFCP=y
 CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
 CONFIG_SCSI_DH_RDAC=m
 CONFIG_SCSI_DH_HP_SW=m
 CONFIG_SCSI_DH_EMC=m
diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig
index 82083e1..9858b14 100644
--- a/arch/s390/configs/gcov_defconfig
+++ b/arch/s390/configs/gcov_defconfig
@@ -377,7 +377,7 @@
 CONFIG_SCSI_DEBUG=m
 CONFIG_ZFCP=y
 CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
 CONFIG_SCSI_DH_RDAC=m
 CONFIG_SCSI_DH_HP_SW=m
 CONFIG_SCSI_DH_EMC=m
diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig
index c05c9e0..7f14f80 100644
--- a/arch/s390/configs/performance_defconfig
+++ b/arch/s390/configs/performance_defconfig
@@ -377,7 +377,7 @@
 CONFIG_SCSI_DEBUG=m
 CONFIG_ZFCP=y
 CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
 CONFIG_SCSI_DH_RDAC=m
 CONFIG_SCSI_DH_HP_SW=m
 CONFIG_SCSI_DH_EMC=m
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index 1b0184a..92805d6 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -1,7 +1,6 @@
 # CONFIG_SWAP is not set
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
-CONFIG_RCU_FAST_NO_HZ=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_COMPAT_BRK is not set
@@ -54,10 +53,6 @@
 # CONFIG_MONWRITER is not set
 # CONFIG_S390_VMUR is not set
 # CONFIG_HID is not set
-CONFIG_MEMSTICK=y
-CONFIG_MEMSTICK_DEBUG=y
-CONFIG_MEMSTICK_UNSAFE_RESUME=y
-CONFIG_MSPRO_BLOCK=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 5ad26dd..9043d2e 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -6,3 +6,4 @@
 generic-y += mm-arch-hooks.h
 generic-y += preempt.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 3d012e0..8ced426 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -35,6 +35,7 @@
  */
 #define KVM_NR_IRQCHIPS 1
 #define KVM_IRQCHIP_NUM_PINS 4096
+#define KVM_HALT_POLL_NS_DEFAULT 0
 
 #define SIGP_CTRL_C		0x80
 #define SIGP_CTRL_SCN_MASK	0x3f
@@ -210,6 +211,7 @@
 	u32 exit_validity;
 	u32 exit_instruction;
 	u32 halt_successful_poll;
+	u32 halt_attempted_poll;
 	u32 halt_wakeup;
 	u32 instruction_lctl;
 	u32 instruction_lctlg;
diff --git a/arch/s390/include/asm/numa.h b/arch/s390/include/asm/numa.h
index 2a0efc6..dc19ee0 100644
--- a/arch/s390/include/asm/numa.h
+++ b/arch/s390/include/asm/numa.h
@@ -19,7 +19,7 @@
 int __node_distance(int a, int b);
 void numa_update_cpu_topology(void);
 
-extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
+extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
 extern int numa_debug_enabled;
 
 #else
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 27ebde6..94fc55f 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -68,7 +68,7 @@
 #define cpumask_of_node cpumask_of_node
 static inline const struct cpumask *cpumask_of_node(int node)
 {
-	return node_to_cpumask_map[node];
+	return &node_to_cpumask_map[node];
 }
 
 /*
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 525cef7..02613ba 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -8,28 +8,8 @@
 
 #include <uapi/asm/unistd.h>
 
-
 #define __IGNORE_time
 
-/* Ignore system calls that are also reachable via sys_socketcall */
-#define __IGNORE_recvmmsg
-#define __IGNORE_sendmmsg
-#define __IGNORE_socket
-#define __IGNORE_socketpair
-#define __IGNORE_bind
-#define __IGNORE_connect
-#define __IGNORE_listen
-#define __IGNORE_accept4
-#define __IGNORE_getsockopt
-#define __IGNORE_setsockopt
-#define __IGNORE_getsockname
-#define __IGNORE_getpeername
-#define __IGNORE_sendto
-#define __IGNORE_sendmsg
-#define __IGNORE_recvfrom
-#define __IGNORE_recvmsg
-#define __IGNORE_shutdown
-
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index 59d2bb4..a848adb 100644
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -290,7 +290,26 @@
 #define __NR_s390_pci_mmio_write	352
 #define __NR_s390_pci_mmio_read		353
 #define __NR_execveat		354
-#define NR_syscalls 355
+#define __NR_userfaultfd	355
+#define __NR_membarrier		356
+#define __NR_recvmmsg		357
+#define __NR_sendmmsg		358
+#define __NR_socket		359
+#define __NR_socketpair		360
+#define __NR_bind		361
+#define __NR_connect		362
+#define __NR_listen		363
+#define __NR_accept4		364
+#define __NR_getsockopt		365
+#define __NR_setsockopt		366
+#define __NR_getsockname	367
+#define __NR_getpeername	368
+#define __NR_sendto		369
+#define __NR_sendmsg		370
+#define __NR_recvfrom		371
+#define __NR_recvmsg		372
+#define __NR_shutdown		373
+#define NR_syscalls 374
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 48c9af7..3aeeb1b 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -176,6 +176,7 @@
 	DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
 	DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
 	DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
+	DEFINE(__LC_PERCPU_OFFSET, offsetof(struct _lowcore, percpu_offset));
 	DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
 	DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
 	DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb));
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index eb46642..e0f9d27 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -48,6 +48,19 @@
 	struct ucontext32 uc;
 } rt_sigframe32;
 
+static inline void sigset_to_sigset32(unsigned long *set64,
+				      compat_sigset_word *set32)
+{
+	set32[0] = (compat_sigset_word) set64[0];
+	set32[1] = (compat_sigset_word)(set64[0] >> 32);
+}
+
+static inline void sigset32_to_sigset(compat_sigset_word *set32,
+				      unsigned long *set64)
+{
+	set64[0] = (unsigned long) set32[0] | ((unsigned long) set32[1] << 32);
+}
+
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
 {
 	int err;
@@ -281,10 +294,12 @@
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	sigframe32 __user *frame = (sigframe32 __user *)regs->gprs[15];
+	compat_sigset_t cset;
 	sigset_t set;
 
-	if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE32))
+	if (__copy_from_user(&cset.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE32))
 		goto badframe;
+	sigset32_to_sigset(cset.sig, set.sig);
 	set_current_blocked(&set);
 	save_fpu_regs();
 	if (restore_sigregs32(regs, &frame->sregs))
@@ -302,10 +317,12 @@
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	rt_sigframe32 __user *frame = (rt_sigframe32 __user *)regs->gprs[15];
+	compat_sigset_t cset;
 	sigset_t set;
 
-	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
+	if (__copy_from_user(&cset, &frame->uc.uc_sigmask, sizeof(cset)))
 		goto badframe;
+	sigset32_to_sigset(cset.sig, set.sig);
 	set_current_blocked(&set);
 	if (compat_restore_altstack(&frame->uc.uc_stack))
 		goto badframe;
@@ -377,7 +394,7 @@
 		return -EFAULT;
 
 	/* Create struct sigcontext32 on the signal stack */
-	memcpy(&sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE32);
+	sigset_to_sigset32(set->sig, sc.oldmask);
 	sc.sregs = (__u32)(unsigned long __force) &frame->sregs;
 	if (__copy_to_user(&frame->sc, &sc, sizeof(frame->sc)))
 		return -EFAULT;
@@ -438,6 +455,7 @@
 static int setup_rt_frame32(struct ksignal *ksig, sigset_t *set,
 			    struct pt_regs *regs)
 {
+	compat_sigset_t cset;
 	rt_sigframe32 __user *frame;
 	unsigned long restorer;
 	size_t frame_size;
@@ -485,11 +503,12 @@
 	store_sigregs();
 
 	/* Create ucontext on the signal stack. */
+	sigset_to_sigset32(set->sig, cset.sig);
 	if (__put_user(uc_flags, &frame->uc.uc_flags) ||
 	    __put_user(0, &frame->uc.uc_link) ||
 	    __compat_save_altstack(&frame->uc.uc_stack, regs->gprs[15]) ||
 	    save_sigregs32(regs, &frame->uc.uc_mcontext) ||
-	    __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)) ||
+	    __copy_to_user(&frame->uc.uc_sigmask, &cset, sizeof(cset)) ||
 	    save_sigregs_ext32(regs, &frame->uc.uc_mcontext_ext))
 		return -EFAULT;
 
diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c
index f8498dd..09f1940 100644
--- a/arch/s390/kernel/compat_wrapper.c
+++ b/arch/s390/kernel/compat_wrapper.c
@@ -52,15 +52,13 @@
  * the regular system call wrappers.
  */
 #define COMPAT_SYSCALL_WRAPx(x, name, ...)					\
-	asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));		\
-	asmlinkage long compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__));\
-	asmlinkage long compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__))	\
-	{									\
-		return sys##name(__MAP(x,__SC_COMPAT_CAST,__VA_ARGS__));	\
-	}
+asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));			\
+asmlinkage long notrace compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__));\
+asmlinkage long notrace compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__))	\
+{										\
+	return sys##name(__MAP(x,__SC_COMPAT_CAST,__VA_ARGS__));		\
+}
 
-COMPAT_SYSCALL_WRAP1(exit, int, error_code);
-COMPAT_SYSCALL_WRAP1(close, unsigned int, fd);
 COMPAT_SYSCALL_WRAP2(creat, const char __user *, pathname, umode_t, mode);
 COMPAT_SYSCALL_WRAP2(link, const char __user *, oldname, const char __user *, newname);
 COMPAT_SYSCALL_WRAP1(unlink, const char __user *, pathname);
@@ -68,23 +66,16 @@
 COMPAT_SYSCALL_WRAP3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev);
 COMPAT_SYSCALL_WRAP2(chmod, const char __user *, filename, umode_t, mode);
 COMPAT_SYSCALL_WRAP1(oldumount, char __user *, name);
-COMPAT_SYSCALL_WRAP1(alarm, unsigned int, seconds);
 COMPAT_SYSCALL_WRAP2(access, const char __user *, filename, int, mode);
-COMPAT_SYSCALL_WRAP1(nice, int, increment);
-COMPAT_SYSCALL_WRAP2(kill, int, pid, int, sig);
 COMPAT_SYSCALL_WRAP2(rename, const char __user *, oldname, const char __user *, newname);
 COMPAT_SYSCALL_WRAP2(mkdir, const char __user *, pathname, umode_t, mode);
 COMPAT_SYSCALL_WRAP1(rmdir, const char __user *, pathname);
-COMPAT_SYSCALL_WRAP1(dup, unsigned int, fildes);
 COMPAT_SYSCALL_WRAP1(pipe, int __user *, fildes);
 COMPAT_SYSCALL_WRAP1(brk, unsigned long, brk);
 COMPAT_SYSCALL_WRAP2(signal, int, sig, __sighandler_t, handler);
 COMPAT_SYSCALL_WRAP1(acct, const char __user *, name);
 COMPAT_SYSCALL_WRAP2(umount, char __user *, name, int, flags);
-COMPAT_SYSCALL_WRAP2(setpgid, pid_t, pid, pid_t, pgid);
-COMPAT_SYSCALL_WRAP1(umask, int, mask);
 COMPAT_SYSCALL_WRAP1(chroot, const char __user *, filename);
-COMPAT_SYSCALL_WRAP2(dup2, unsigned int, oldfd, unsigned int, newfd);
 COMPAT_SYSCALL_WRAP3(sigsuspend, int, unused1, int, unused2, old_sigset_t, mask);
 COMPAT_SYSCALL_WRAP2(sethostname, char __user *, name, int, len);
 COMPAT_SYSCALL_WRAP2(symlink, const char __user *, old, const char __user *, new);
@@ -93,37 +84,23 @@
 COMPAT_SYSCALL_WRAP2(swapon, const char __user *, specialfile, int, swap_flags);
 COMPAT_SYSCALL_WRAP4(reboot, int, magic1, int, magic2, unsigned int, cmd, void __user *, arg);
 COMPAT_SYSCALL_WRAP2(munmap, unsigned long, addr, size_t, len);
-COMPAT_SYSCALL_WRAP2(fchmod, unsigned int, fd, umode_t, mode);
-COMPAT_SYSCALL_WRAP2(getpriority, int, which, int, who);
-COMPAT_SYSCALL_WRAP3(setpriority, int, which, int, who, int, niceval);
 COMPAT_SYSCALL_WRAP3(syslog, int, type, char __user *, buf, int, len);
 COMPAT_SYSCALL_WRAP1(swapoff, const char __user *, specialfile);
-COMPAT_SYSCALL_WRAP1(fsync, unsigned int, fd);
 COMPAT_SYSCALL_WRAP2(setdomainname, char __user *, name, int, len);
 COMPAT_SYSCALL_WRAP1(newuname, struct new_utsname __user *, name);
 COMPAT_SYSCALL_WRAP3(mprotect, unsigned long, start, size_t, len, unsigned long, prot);
 COMPAT_SYSCALL_WRAP3(init_module, void __user *, umod, unsigned long, len, const char __user *, uargs);
 COMPAT_SYSCALL_WRAP2(delete_module, const char __user *, name_user, unsigned int, flags);
 COMPAT_SYSCALL_WRAP4(quotactl, unsigned int, cmd, const char __user *, special, qid_t, id, void __user *, addr);
-COMPAT_SYSCALL_WRAP1(getpgid, pid_t, pid);
-COMPAT_SYSCALL_WRAP1(fchdir, unsigned int, fd);
 COMPAT_SYSCALL_WRAP2(bdflush, int, func, long, data);
 COMPAT_SYSCALL_WRAP3(sysfs, int, option, unsigned long, arg1, unsigned long, arg2);
-COMPAT_SYSCALL_WRAP1(s390_personality, unsigned int, personality);
 COMPAT_SYSCALL_WRAP5(llseek, unsigned int, fd, unsigned long, high, unsigned long, low, loff_t __user *, result, unsigned int, whence);
-COMPAT_SYSCALL_WRAP2(flock, unsigned int, fd, unsigned int, cmd);
 COMPAT_SYSCALL_WRAP3(msync, unsigned long, start, size_t, len, int, flags);
-COMPAT_SYSCALL_WRAP1(getsid, pid_t, pid);
-COMPAT_SYSCALL_WRAP1(fdatasync, unsigned int, fd);
 COMPAT_SYSCALL_WRAP2(mlock, unsigned long, start, size_t, len);
 COMPAT_SYSCALL_WRAP2(munlock, unsigned long, start, size_t, len);
-COMPAT_SYSCALL_WRAP1(mlockall, int, flags);
 COMPAT_SYSCALL_WRAP2(sched_setparam, pid_t, pid, struct sched_param __user *, param);
 COMPAT_SYSCALL_WRAP2(sched_getparam, pid_t, pid, struct sched_param __user *, param);
 COMPAT_SYSCALL_WRAP3(sched_setscheduler, pid_t, pid, int, policy, struct sched_param __user *, param);
-COMPAT_SYSCALL_WRAP1(sched_getscheduler, pid_t, pid);
-COMPAT_SYSCALL_WRAP1(sched_get_priority_max, int, policy);
-COMPAT_SYSCALL_WRAP1(sched_get_priority_min, int, policy);
 COMPAT_SYSCALL_WRAP5(mremap, unsigned long, addr, unsigned long, old_len, unsigned long, new_len, unsigned long, flags, unsigned long, new_addr);
 COMPAT_SYSCALL_WRAP3(poll, struct pollfd __user *, ufds, unsigned int, nfds, int, timeout);
 COMPAT_SYSCALL_WRAP5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, unsigned long, arg4, unsigned long, arg5);
@@ -131,20 +108,11 @@
 COMPAT_SYSCALL_WRAP2(capget, cap_user_header_t, header, cap_user_data_t, dataptr);
 COMPAT_SYSCALL_WRAP2(capset, cap_user_header_t, header, const cap_user_data_t, data);
 COMPAT_SYSCALL_WRAP3(lchown, const char __user *, filename, uid_t, user, gid_t, group);
-COMPAT_SYSCALL_WRAP2(setreuid, uid_t, ruid, uid_t, euid);
-COMPAT_SYSCALL_WRAP2(setregid, gid_t, rgid, gid_t, egid);
 COMPAT_SYSCALL_WRAP2(getgroups, int, gidsetsize, gid_t __user *, grouplist);
 COMPAT_SYSCALL_WRAP2(setgroups, int, gidsetsize, gid_t __user *, grouplist);
-COMPAT_SYSCALL_WRAP3(fchown, unsigned int, fd, uid_t, user, gid_t, group);
-COMPAT_SYSCALL_WRAP3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid);
 COMPAT_SYSCALL_WRAP3(getresuid, uid_t __user *, ruid, uid_t __user *, euid, uid_t __user *, suid);
-COMPAT_SYSCALL_WRAP3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid);
 COMPAT_SYSCALL_WRAP3(getresgid, gid_t __user *, rgid, gid_t __user *, egid, gid_t __user *, sgid);
 COMPAT_SYSCALL_WRAP3(chown, const char __user *, filename, uid_t, user, gid_t, group);
-COMPAT_SYSCALL_WRAP1(setuid, uid_t, uid);
-COMPAT_SYSCALL_WRAP1(setgid, gid_t, gid);
-COMPAT_SYSCALL_WRAP1(setfsuid, uid_t, uid);
-COMPAT_SYSCALL_WRAP1(setfsgid, gid_t, gid);
 COMPAT_SYSCALL_WRAP2(pivot_root, const char __user *, new_root, const char __user *, put_old);
 COMPAT_SYSCALL_WRAP3(mincore, unsigned long, start, size_t, len, unsigned char __user *, vec);
 COMPAT_SYSCALL_WRAP3(madvise, unsigned long, start, size_t, len, int, behavior);
@@ -161,23 +129,16 @@
 COMPAT_SYSCALL_WRAP2(removexattr, const char __user *, path, const char __user *, name);
 COMPAT_SYSCALL_WRAP2(lremovexattr, const char __user *, path, const char __user *, name);
 COMPAT_SYSCALL_WRAP2(fremovexattr, int, fd, const char __user *, name);
-COMPAT_SYSCALL_WRAP1(exit_group, int, error_code);
 COMPAT_SYSCALL_WRAP1(set_tid_address, int __user *, tidptr);
-COMPAT_SYSCALL_WRAP1(epoll_create, int, size);
 COMPAT_SYSCALL_WRAP4(epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event __user *, event);
 COMPAT_SYSCALL_WRAP4(epoll_wait, int, epfd, struct epoll_event __user *, events, int, maxevents, int, timeout);
-COMPAT_SYSCALL_WRAP1(timer_getoverrun, timer_t, timer_id);
-COMPAT_SYSCALL_WRAP1(timer_delete, compat_timer_t, compat_timer_id);
 COMPAT_SYSCALL_WRAP1(io_destroy, aio_context_t, ctx);
 COMPAT_SYSCALL_WRAP3(io_cancel, aio_context_t, ctx_id, struct iocb __user *, iocb, struct io_event __user *, result);
 COMPAT_SYSCALL_WRAP1(mq_unlink, const char __user *, name);
 COMPAT_SYSCALL_WRAP5(add_key, const char __user *, tp, const char __user *, dsc, const void __user *, pld, size_t, len, key_serial_t, id);
 COMPAT_SYSCALL_WRAP4(request_key, const char __user *, tp, const char __user *, dsc, const char __user *, info, key_serial_t, id);
 COMPAT_SYSCALL_WRAP5(remap_file_pages, unsigned long, start, unsigned long, size, unsigned long, prot, unsigned long, pgoff, unsigned long, flags);
-COMPAT_SYSCALL_WRAP3(ioprio_set, int, which, int, who, int, ioprio);
-COMPAT_SYSCALL_WRAP2(ioprio_get, int, which, int, who);
 COMPAT_SYSCALL_WRAP3(inotify_add_watch, int, fd, const char __user *, path, u32, mask);
-COMPAT_SYSCALL_WRAP2(inotify_rm_watch, int, fd, __s32, wd);
 COMPAT_SYSCALL_WRAP3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode);
 COMPAT_SYSCALL_WRAP4(mknodat, int, dfd, const char __user *, filename, umode_t, mode, unsigned, dev);
 COMPAT_SYSCALL_WRAP5(fchownat, int, dfd, const char __user *, filename, uid_t, user, gid_t, group, int, flag);
@@ -192,23 +153,11 @@
 COMPAT_SYSCALL_WRAP6(splice, int, fd_in, loff_t __user *, off_in, int, fd_out, loff_t __user *, off_out, size_t, len, unsigned int, flags);
 COMPAT_SYSCALL_WRAP4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags);
 COMPAT_SYSCALL_WRAP3(getcpu, unsigned __user *, cpu, unsigned __user *, node, struct getcpu_cache __user *, cache);
-COMPAT_SYSCALL_WRAP1(eventfd, unsigned int, count);
-COMPAT_SYSCALL_WRAP2(timerfd_create, int, clockid, int, flags);
-COMPAT_SYSCALL_WRAP2(eventfd2, unsigned int, count, int, flags);
-COMPAT_SYSCALL_WRAP1(inotify_init1, int, flags);
 COMPAT_SYSCALL_WRAP2(pipe2, int __user *, fildes, int, flags);
-COMPAT_SYSCALL_WRAP3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags);
-COMPAT_SYSCALL_WRAP1(epoll_create1, int, flags);
-COMPAT_SYSCALL_WRAP2(tkill, int, pid, int, sig);
-COMPAT_SYSCALL_WRAP3(tgkill, int, tgid, int, pid, int, sig);
 COMPAT_SYSCALL_WRAP5(perf_event_open, struct perf_event_attr __user *, attr_uptr, pid_t, pid, int, cpu, int, group_fd, unsigned long, flags);
 COMPAT_SYSCALL_WRAP5(clone, unsigned long, newsp, unsigned long, clone_flags, int __user *, parent_tidptr, int __user *, child_tidptr, unsigned long, tls);
-COMPAT_SYSCALL_WRAP2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags);
 COMPAT_SYSCALL_WRAP4(prlimit64, pid_t, pid, unsigned int, resource, const struct rlimit64 __user *, new_rlim, struct rlimit64 __user *, old_rlim);
 COMPAT_SYSCALL_WRAP5(name_to_handle_at, int, dfd, const char __user *, name, struct file_handle __user *, handle, int __user *, mnt_id, int, flag);
-COMPAT_SYSCALL_WRAP1(syncfs, int, fd);
-COMPAT_SYSCALL_WRAP2(setns, int, fd, int, nstype);
-COMPAT_SYSCALL_WRAP2(s390_runtime_instr, int, command, int, signum);
 COMPAT_SYSCALL_WRAP5(kcmp, pid_t, pid1, pid_t, pid2, int, type, unsigned long, idx1, unsigned long, idx2);
 COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char __user *, uargs, int, flags);
 COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, flags);
@@ -220,3 +169,10 @@
 COMPAT_SYSCALL_WRAP3(bpf, int, cmd, union bpf_attr *, attr, unsigned int, size);
 COMPAT_SYSCALL_WRAP3(s390_pci_mmio_write, const unsigned long, mmio_addr, const void __user *, user_buffer, const size_t, length);
 COMPAT_SYSCALL_WRAP3(s390_pci_mmio_read, const unsigned long, mmio_addr, void __user *, user_buffer, const size_t, length);
+COMPAT_SYSCALL_WRAP4(socketpair, int, family, int, type, int, protocol, int __user *, usockvec);
+COMPAT_SYSCALL_WRAP3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen);
+COMPAT_SYSCALL_WRAP3(connect, int, fd, struct sockaddr __user *, uservaddr, int, addrlen);
+COMPAT_SYSCALL_WRAP4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, int __user *, upeer_addrlen, int, flags);
+COMPAT_SYSCALL_WRAP3(getsockname, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
+COMPAT_SYSCALL_WRAP3(getpeername, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
+COMPAT_SYSCALL_WRAP6(sendto, int, fd, void __user *, buff, size_t, len, unsigned int, flags, struct sockaddr __user *, addr, int, addr_len);
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 247b7aa..582fe44 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -733,6 +733,14 @@
 	stg	%r3,__SF_EMPTY(%r15)
 	larl	%r1,.Lpsw_idle_lpsw+4
 	stg	%r1,__SF_EMPTY+8(%r15)
+#ifdef CONFIG_SMP
+	larl	%r1,smp_cpu_mtid
+	llgf	%r1,0(%r1)
+	ltgr	%r1,%r1
+	jz	.Lpsw_idle_stcctm
+	.insn	rsy,0xeb0000000017,%r1,5,__SF_EMPTY+16(%r15)
+.Lpsw_idle_stcctm:
+#endif
 	STCK	__CLOCK_IDLE_ENTER(%r2)
 	stpt	__TIMER_IDLE_ENTER(%r2)
 .Lpsw_idle_lpsw:
@@ -1159,7 +1167,27 @@
 	jhe	1f
 	mvc	__CLOCK_IDLE_ENTER(8,%r2),__CLOCK_IDLE_EXIT(%r2)
 	mvc	__TIMER_IDLE_ENTER(8,%r2),__TIMER_IDLE_EXIT(%r2)
-1:	# account system time going idle
+1:	# calculate idle cycles
+#ifdef CONFIG_SMP
+	clg	%r9,BASED(.Lcleanup_idle_insn)
+	jl	3f
+	larl	%r1,smp_cpu_mtid
+	llgf	%r1,0(%r1)
+	ltgr	%r1,%r1
+	jz	3f
+	.insn	rsy,0xeb0000000017,%r1,5,__SF_EMPTY+80(%r15)
+	larl	%r3,mt_cycles
+	ag	%r3,__LC_PERCPU_OFFSET
+	la	%r4,__SF_EMPTY+16(%r15)
+2:	lg	%r0,0(%r3)
+	slg	%r0,0(%r4)
+	alg	%r0,64(%r4)
+	stg	%r0,0(%r3)
+	la	%r3,8(%r3)
+	la	%r4,8(%r4)
+	brct	%r1,2b
+#endif
+3:	# account system time going idle
 	lg	%r9,__LC_STEAL_TIMER
 	alg	%r9,__CLOCK_IDLE_ENTER(%r2)
 	slg	%r9,__LC_LAST_UPDATE_CLOCK
@@ -1191,6 +1219,7 @@
 	clg	%r9,BASED(.Lcleanup_save_fpu_fpc_end)
 	jhe	1f
 	lg	%r2,__LC_CURRENT
+	aghi	%r2,__TASK_thread
 0:	# Store floating-point controls
 	stfpc	__THREAD_FPU_fpc(%r2)
 1:	# Load register save area and check if VX is active
@@ -1252,6 +1281,7 @@
 	clg	%r9,BASED(.Lcleanup_load_fpu_regs_vx_ctl)
 	jhe	6f
 	lg	%r4,__LC_CURRENT
+	aghi	%r4,__TASK_thread
 	lfpc	__THREAD_FPU_fpc(%r4)
 	tm	__THREAD_FPU_flags+3(%r4),FPU_USE_VX	# VX-enabled task ?
 	lg	%r4,__THREAD_FPU_regs(%r4)	# %r4 <- reg save area
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 56fdad4..a956340 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -157,10 +157,14 @@
 
 	cpuhw = &get_cpu_var(cpu_hw_events);
 
-	/* check authorization for cpu counter sets */
+	/* Check authorization for cpu counter sets.
+	 * If the particular CPU counter set is not authorized,
+	 * return with -ENOENT in order to fall back to other
+	 * PMUs that might suffice the event request.
+	 */
 	ctrs_state = cpumf_state_ctl[hwc->config_base];
 	if (!(ctrs_state & cpuhw->info.auth_ctl))
-		err = -EPERM;
+		err = -ENOENT;
 
 	put_cpu_var(cpu_hw_events);
 	return err;
@@ -536,7 +540,7 @@
 	 */
 	if (!(cpuhw->flags & PERF_EVENT_TXN))
 		if (validate_ctr_auth(&event->hw))
-			return -EPERM;
+			return -ENOENT;
 
 	ctr_set_enable(&cpuhw->state, event->hw.config_base);
 	event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
@@ -611,7 +615,7 @@
 	state = cpuhw->state & ~((1 << CPUMF_LCCTL_ENABLE_SHIFT) - 1);
 	state >>= CPUMF_LCCTL_ENABLE_SHIFT;
 	if ((state & cpuhw->info.auth_ctl) != state)
-		return -EPERM;
+		return -ENOENT;
 
 	cpuhw->flags &= ~PERF_EVENT_TXN;
 	perf_pmu_enable(pmu);
diff --git a/arch/s390/kernel/swsusp.S b/arch/s390/kernel/swsusp.S
index ca62946..2d6b6e8 100644
--- a/arch/s390/kernel/swsusp.S
+++ b/arch/s390/kernel/swsusp.S
@@ -30,6 +30,9 @@
 	aghi	%r15,-STACK_FRAME_OVERHEAD
 	stg	%r1,__SF_BACKCHAIN(%r15)
 
+	/* Store FPU registers */
+	brasl	%r14,save_fpu_regs
+
 	/* Deactivate DAT */
 	stnsm	__SF_EMPTY(%r15),0xfb
 
@@ -47,23 +50,6 @@
 
 	/* Store registers */
 	mvc	0x318(4,%r1),__SF_EMPTY(%r15)	/* move prefix to lowcore */
-	stfpc	0x31c(%r1)			/* store fpu control */
-	std	0,0x200(%r1)			/* store f0 */
-	std	1,0x208(%r1)			/* store f1 */
-	std	2,0x210(%r1)			/* store f2 */
-	std	3,0x218(%r1)			/* store f3 */
-	std	4,0x220(%r1)			/* store f4 */
-	std	5,0x228(%r1)			/* store f5 */
-	std	6,0x230(%r1)			/* store f6 */
-	std	7,0x238(%r1)			/* store f7 */
-	std	8,0x240(%r1)			/* store f8 */
-	std	9,0x248(%r1)			/* store f9 */
-	std	10,0x250(%r1)			/* store f10 */
-	std	11,0x258(%r1)			/* store f11 */
-	std	12,0x260(%r1)			/* store f12 */
-	std	13,0x268(%r1)			/* store f13 */
-	std	14,0x270(%r1)			/* store f14 */
-	std	15,0x278(%r1)			/* store f15 */
 	stam	%a0,%a15,0x340(%r1)		/* store access registers */
 	stctg	%c0,%c15,0x380(%r1)		/* store control registers */
 	stmg	%r0,%r15,0x280(%r1)		/* store general registers */
@@ -249,24 +235,6 @@
 	lctlg	%c0,%c15,0x380(%r13)	/* load control registers */
 	lam	%a0,%a15,0x340(%r13)	/* load access registers */
 
-	lfpc	0x31c(%r13)		/* load fpu control */
-	ld	0,0x200(%r13)		/* load f0 */
-	ld	1,0x208(%r13)		/* load f1 */
-	ld	2,0x210(%r13)		/* load f2 */
-	ld	3,0x218(%r13)		/* load f3 */
-	ld	4,0x220(%r13)		/* load f4 */
-	ld	5,0x228(%r13)		/* load f5 */
-	ld	6,0x230(%r13)		/* load f6 */
-	ld	7,0x238(%r13)		/* load f7 */
-	ld	8,0x240(%r13)		/* load f8 */
-	ld	9,0x248(%r13)		/* load f9 */
-	ld	10,0x250(%r13)		/* load f10 */
-	ld	11,0x258(%r13)		/* load f11 */
-	ld	12,0x260(%r13)		/* load f12 */
-	ld	13,0x268(%r13)		/* load f13 */
-	ld	14,0x270(%r13)		/* load f14 */
-	ld	15,0x278(%r13)		/* load f15 */
-
 	/* Load old stack */
 	lg	%r15,0x2f8(%r13)
 
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index f3f4a13..8c56929 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -9,12 +9,12 @@
 #define NI_SYSCALL SYSCALL(sys_ni_syscall,sys_ni_syscall)
 
 NI_SYSCALL						/* 0 */
-SYSCALL(sys_exit,compat_sys_exit)
+SYSCALL(sys_exit,sys_exit)
 SYSCALL(sys_fork,sys_fork)
 SYSCALL(sys_read,compat_sys_s390_read)
 SYSCALL(sys_write,compat_sys_s390_write)
 SYSCALL(sys_open,compat_sys_open)			/* 5 */
-SYSCALL(sys_close,compat_sys_close)
+SYSCALL(sys_close,sys_close)
 SYSCALL(sys_restart_syscall,sys_restart_syscall)
 SYSCALL(sys_creat,compat_sys_creat)
 SYSCALL(sys_link,compat_sys_link)
@@ -35,21 +35,21 @@
 SYSCALL(sys_ni_syscall,compat_sys_s390_getuid16)	/* old getuid16 syscall*/
 SYSCALL(sys_ni_syscall,compat_sys_stime)		/* 25 old stime syscall */
 SYSCALL(sys_ptrace,compat_sys_ptrace)
-SYSCALL(sys_alarm,compat_sys_alarm)
+SYSCALL(sys_alarm,sys_alarm)
 NI_SYSCALL						/* old fstat syscall */
 SYSCALL(sys_pause,sys_pause)
 SYSCALL(sys_utime,compat_sys_utime)			/* 30 */
 NI_SYSCALL						/* old stty syscall */
 NI_SYSCALL						/* old gtty syscall */
 SYSCALL(sys_access,compat_sys_access)
-SYSCALL(sys_nice,compat_sys_nice)
+SYSCALL(sys_nice,sys_nice)
 NI_SYSCALL						/* 35 old ftime syscall */
 SYSCALL(sys_sync,sys_sync)
-SYSCALL(sys_kill,compat_sys_kill)
+SYSCALL(sys_kill,sys_kill)
 SYSCALL(sys_rename,compat_sys_rename)
 SYSCALL(sys_mkdir,compat_sys_mkdir)
 SYSCALL(sys_rmdir,compat_sys_rmdir)			/* 40 */
-SYSCALL(sys_dup,compat_sys_dup)
+SYSCALL(sys_dup,sys_dup)
 SYSCALL(sys_pipe,compat_sys_pipe)
 SYSCALL(sys_times,compat_sys_times)
 NI_SYSCALL						/* old prof syscall */
@@ -65,13 +65,13 @@
 SYSCALL(sys_ioctl,compat_sys_ioctl)
 SYSCALL(sys_fcntl,compat_sys_fcntl)			/* 55 */
 NI_SYSCALL						/* intel mpx syscall */
-SYSCALL(sys_setpgid,compat_sys_setpgid)
+SYSCALL(sys_setpgid,sys_setpgid)
 NI_SYSCALL						/* old ulimit syscall */
 NI_SYSCALL						/* old uname syscall */
-SYSCALL(sys_umask,compat_sys_umask)			/* 60 */
+SYSCALL(sys_umask,sys_umask)				/* 60 */
 SYSCALL(sys_chroot,compat_sys_chroot)
 SYSCALL(sys_ustat,compat_sys_ustat)
-SYSCALL(sys_dup2,compat_sys_dup2)
+SYSCALL(sys_dup2,sys_dup2)
 SYSCALL(sys_getppid,sys_getppid)
 SYSCALL(sys_getpgrp,sys_getpgrp)			/* 65 */
 SYSCALL(sys_setsid,sys_setsid)
@@ -102,10 +102,10 @@
 SYSCALL(sys_munmap,compat_sys_munmap)
 SYSCALL(sys_truncate,compat_sys_truncate)
 SYSCALL(sys_ftruncate,compat_sys_ftruncate)
-SYSCALL(sys_fchmod,compat_sys_fchmod)
+SYSCALL(sys_fchmod,sys_fchmod)
 SYSCALL(sys_ni_syscall,compat_sys_s390_fchown16)	/* 95 old fchown16 syscall*/
-SYSCALL(sys_getpriority,compat_sys_getpriority)
-SYSCALL(sys_setpriority,compat_sys_setpriority)
+SYSCALL(sys_getpriority,sys_getpriority)
+SYSCALL(sys_setpriority,sys_setpriority)
 NI_SYSCALL						/* old profil syscall */
 SYSCALL(sys_statfs,compat_sys_statfs)
 SYSCALL(sys_fstatfs,compat_sys_fstatfs)			/* 100 */
@@ -126,7 +126,7 @@
 SYSCALL(sys_swapoff,compat_sys_swapoff)			/* 115 */
 SYSCALL(sys_sysinfo,compat_sys_sysinfo)
 SYSCALL(sys_s390_ipc,compat_sys_s390_ipc)
-SYSCALL(sys_fsync,compat_sys_fsync)
+SYSCALL(sys_fsync,sys_fsync)
 SYSCALL(sys_sigreturn,compat_sys_sigreturn)
 SYSCALL(sys_clone,compat_sys_clone)			/* 120 */
 SYSCALL(sys_setdomainname,compat_sys_setdomainname)
@@ -140,35 +140,35 @@
 SYSCALL(sys_delete_module,compat_sys_delete_module)
 NI_SYSCALL						/* 130: old get_kernel_syms */
 SYSCALL(sys_quotactl,compat_sys_quotactl)
-SYSCALL(sys_getpgid,compat_sys_getpgid)
-SYSCALL(sys_fchdir,compat_sys_fchdir)
+SYSCALL(sys_getpgid,sys_getpgid)
+SYSCALL(sys_fchdir,sys_fchdir)
 SYSCALL(sys_bdflush,compat_sys_bdflush)
 SYSCALL(sys_sysfs,compat_sys_sysfs)			/* 135 */
-SYSCALL(sys_s390_personality,compat_sys_s390_personality)
+SYSCALL(sys_s390_personality,sys_s390_personality)
 NI_SYSCALL						/* for afs_syscall */
 SYSCALL(sys_ni_syscall,compat_sys_s390_setfsuid16)	/* old setfsuid16 syscall */
 SYSCALL(sys_ni_syscall,compat_sys_s390_setfsgid16)	/* old setfsgid16 syscall */
 SYSCALL(sys_llseek,compat_sys_llseek)			/* 140 */
 SYSCALL(sys_getdents,compat_sys_getdents)
 SYSCALL(sys_select,compat_sys_select)
-SYSCALL(sys_flock,compat_sys_flock)
+SYSCALL(sys_flock,sys_flock)
 SYSCALL(sys_msync,compat_sys_msync)
 SYSCALL(sys_readv,compat_sys_readv)			/* 145 */
 SYSCALL(sys_writev,compat_sys_writev)
-SYSCALL(sys_getsid,compat_sys_getsid)
-SYSCALL(sys_fdatasync,compat_sys_fdatasync)
+SYSCALL(sys_getsid,sys_getsid)
+SYSCALL(sys_fdatasync,sys_fdatasync)
 SYSCALL(sys_sysctl,compat_sys_sysctl)
 SYSCALL(sys_mlock,compat_sys_mlock)			/* 150 */
 SYSCALL(sys_munlock,compat_sys_munlock)
-SYSCALL(sys_mlockall,compat_sys_mlockall)
+SYSCALL(sys_mlockall,sys_mlockall)
 SYSCALL(sys_munlockall,sys_munlockall)
 SYSCALL(sys_sched_setparam,compat_sys_sched_setparam)
 SYSCALL(sys_sched_getparam,compat_sys_sched_getparam)	/* 155 */
 SYSCALL(sys_sched_setscheduler,compat_sys_sched_setscheduler)
-SYSCALL(sys_sched_getscheduler,compat_sys_sched_getscheduler)
+SYSCALL(sys_sched_getscheduler,sys_sched_getscheduler)
 SYSCALL(sys_sched_yield,sys_sched_yield)
-SYSCALL(sys_sched_get_priority_max,compat_sys_sched_get_priority_max)
-SYSCALL(sys_sched_get_priority_min,compat_sys_sched_get_priority_min)	/* 160 */
+SYSCALL(sys_sched_get_priority_max,sys_sched_get_priority_max)
+SYSCALL(sys_sched_get_priority_min,sys_sched_get_priority_min)	/* 160 */
 SYSCALL(sys_sched_rr_get_interval,compat_sys_sched_rr_get_interval)
 SYSCALL(sys_nanosleep,compat_sys_nanosleep)
 SYSCALL(sys_mremap,compat_sys_mremap)
@@ -211,20 +211,20 @@
 SYSCALL(sys_getgid,sys_getgid)				/* 200 */
 SYSCALL(sys_geteuid,sys_geteuid)
 SYSCALL(sys_getegid,sys_getegid)
-SYSCALL(sys_setreuid,compat_sys_setreuid)
-SYSCALL(sys_setregid,compat_sys_setregid)
+SYSCALL(sys_setreuid,sys_setreuid)
+SYSCALL(sys_setregid,sys_setregid)
 SYSCALL(sys_getgroups,compat_sys_getgroups)		/* 205 */
 SYSCALL(sys_setgroups,compat_sys_setgroups)
-SYSCALL(sys_fchown,compat_sys_fchown)
-SYSCALL(sys_setresuid,compat_sys_setresuid)
+SYSCALL(sys_fchown,sys_fchown)
+SYSCALL(sys_setresuid,sys_setresuid)
 SYSCALL(sys_getresuid,compat_sys_getresuid)
-SYSCALL(sys_setresgid,compat_sys_setresgid)		/* 210 */
+SYSCALL(sys_setresgid,sys_setresgid)			/* 210 */
 SYSCALL(sys_getresgid,compat_sys_getresgid)
 SYSCALL(sys_chown,compat_sys_chown)
-SYSCALL(sys_setuid,compat_sys_setuid)
-SYSCALL(sys_setgid,compat_sys_setgid)
-SYSCALL(sys_setfsuid,compat_sys_setfsuid)		/* 215 */
-SYSCALL(sys_setfsgid,compat_sys_setfsgid)
+SYSCALL(sys_setuid,sys_setuid)
+SYSCALL(sys_setgid,sys_setgid)
+SYSCALL(sys_setfsuid,sys_setfsuid)			/* 215 */
+SYSCALL(sys_setfsgid,sys_setfsgid)
 SYSCALL(sys_pivot_root,compat_sys_pivot_root)
 SYSCALL(sys_mincore,compat_sys_mincore)
 SYSCALL(sys_madvise,compat_sys_madvise)
@@ -245,19 +245,19 @@
 SYSCALL(sys_lremovexattr,compat_sys_lremovexattr)
 SYSCALL(sys_fremovexattr,compat_sys_fremovexattr)	/* 235 */
 SYSCALL(sys_gettid,sys_gettid)
-SYSCALL(sys_tkill,compat_sys_tkill)
+SYSCALL(sys_tkill,sys_tkill)
 SYSCALL(sys_futex,compat_sys_futex)
 SYSCALL(sys_sched_setaffinity,compat_sys_sched_setaffinity)
 SYSCALL(sys_sched_getaffinity,compat_sys_sched_getaffinity)	/* 240 */
-SYSCALL(sys_tgkill,compat_sys_tgkill)
+SYSCALL(sys_tgkill,sys_tgkill)
 NI_SYSCALL						/* reserved for TUX */
 SYSCALL(sys_io_setup,compat_sys_io_setup)
 SYSCALL(sys_io_destroy,compat_sys_io_destroy)
 SYSCALL(sys_io_getevents,compat_sys_io_getevents)	/* 245 */
 SYSCALL(sys_io_submit,compat_sys_io_submit)
 SYSCALL(sys_io_cancel,compat_sys_io_cancel)
-SYSCALL(sys_exit_group,compat_sys_exit_group)
-SYSCALL(sys_epoll_create,compat_sys_epoll_create)
+SYSCALL(sys_exit_group,sys_exit_group)
+SYSCALL(sys_epoll_create,sys_epoll_create)
 SYSCALL(sys_epoll_ctl,compat_sys_epoll_ctl)		/* 250 */
 SYSCALL(sys_epoll_wait,compat_sys_epoll_wait)
 SYSCALL(sys_set_tid_address,compat_sys_set_tid_address)
@@ -265,8 +265,8 @@
 SYSCALL(sys_timer_create,compat_sys_timer_create)
 SYSCALL(sys_timer_settime,compat_sys_timer_settime)	/* 255 */
 SYSCALL(sys_timer_gettime,compat_sys_timer_gettime)
-SYSCALL(sys_timer_getoverrun,compat_sys_timer_getoverrun)
-SYSCALL(sys_timer_delete,compat_sys_timer_delete)
+SYSCALL(sys_timer_getoverrun,sys_timer_getoverrun)
+SYSCALL(sys_timer_delete,sys_timer_delete)
 SYSCALL(sys_clock_settime,compat_sys_clock_settime)
 SYSCALL(sys_clock_gettime,compat_sys_clock_gettime)	/* 260 */
 SYSCALL(sys_clock_getres,compat_sys_clock_getres)
@@ -290,11 +290,11 @@
 SYSCALL(sys_request_key,compat_sys_request_key)
 SYSCALL(sys_keyctl,compat_sys_keyctl)			/* 280 */
 SYSCALL(sys_waitid,compat_sys_waitid)
-SYSCALL(sys_ioprio_set,compat_sys_ioprio_set)
-SYSCALL(sys_ioprio_get,compat_sys_ioprio_get)
+SYSCALL(sys_ioprio_set,sys_ioprio_set)
+SYSCALL(sys_ioprio_get,sys_ioprio_get)
 SYSCALL(sys_inotify_init,sys_inotify_init)
 SYSCALL(sys_inotify_add_watch,compat_sys_inotify_add_watch)	/* 285 */
-SYSCALL(sys_inotify_rm_watch,compat_sys_inotify_rm_watch)
+SYSCALL(sys_inotify_rm_watch,sys_inotify_rm_watch)
 SYSCALL(sys_migrate_pages,compat_sys_migrate_pages)
 SYSCALL(sys_openat,compat_sys_openat)
 SYSCALL(sys_mkdirat,compat_sys_mkdirat)
@@ -326,31 +326,31 @@
 SYSCALL(sys_utimensat,compat_sys_utimensat)		/* 315 */
 SYSCALL(sys_signalfd,compat_sys_signalfd)
 NI_SYSCALL						/* 317 old sys_timer_fd */
-SYSCALL(sys_eventfd,compat_sys_eventfd)
-SYSCALL(sys_timerfd_create,compat_sys_timerfd_create)
+SYSCALL(sys_eventfd,sys_eventfd)
+SYSCALL(sys_timerfd_create,sys_timerfd_create)
 SYSCALL(sys_timerfd_settime,compat_sys_timerfd_settime) /* 320 */
 SYSCALL(sys_timerfd_gettime,compat_sys_timerfd_gettime)
 SYSCALL(sys_signalfd4,compat_sys_signalfd4)
-SYSCALL(sys_eventfd2,compat_sys_eventfd2)
-SYSCALL(sys_inotify_init1,compat_sys_inotify_init1)
+SYSCALL(sys_eventfd2,sys_eventfd2)
+SYSCALL(sys_inotify_init1,sys_inotify_init1)
 SYSCALL(sys_pipe2,compat_sys_pipe2)			/* 325 */
-SYSCALL(sys_dup3,compat_sys_dup3)
-SYSCALL(sys_epoll_create1,compat_sys_epoll_create1)
+SYSCALL(sys_dup3,sys_dup3)
+SYSCALL(sys_epoll_create1,sys_epoll_create1)
 SYSCALL(sys_preadv,compat_sys_preadv)
 SYSCALL(sys_pwritev,compat_sys_pwritev)
 SYSCALL(sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo) /* 330 */
 SYSCALL(sys_perf_event_open,compat_sys_perf_event_open)
-SYSCALL(sys_fanotify_init,compat_sys_fanotify_init)
+SYSCALL(sys_fanotify_init,sys_fanotify_init)
 SYSCALL(sys_fanotify_mark,compat_sys_fanotify_mark)
 SYSCALL(sys_prlimit64,compat_sys_prlimit64)
 SYSCALL(sys_name_to_handle_at,compat_sys_name_to_handle_at) /* 335 */
 SYSCALL(sys_open_by_handle_at,compat_sys_open_by_handle_at)
 SYSCALL(sys_clock_adjtime,compat_sys_clock_adjtime)
-SYSCALL(sys_syncfs,compat_sys_syncfs)
-SYSCALL(sys_setns,compat_sys_setns)
+SYSCALL(sys_syncfs,sys_syncfs)
+SYSCALL(sys_setns,sys_setns)
 SYSCALL(sys_process_vm_readv,compat_sys_process_vm_readv) /* 340 */
 SYSCALL(sys_process_vm_writev,compat_sys_process_vm_writev)
-SYSCALL(sys_s390_runtime_instr,compat_sys_s390_runtime_instr)
+SYSCALL(sys_s390_runtime_instr,sys_s390_runtime_instr)
 SYSCALL(sys_kcmp,compat_sys_kcmp)
 SYSCALL(sys_finit_module,compat_sys_finit_module)
 SYSCALL(sys_sched_setattr,compat_sys_sched_setattr)	/* 345 */
@@ -363,3 +363,22 @@
 SYSCALL(sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write)
 SYSCALL(sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read)
 SYSCALL(sys_execveat,compat_sys_execveat)
+SYSCALL(sys_userfaultfd,sys_userfaultfd)		/* 355 */
+SYSCALL(sys_membarrier,sys_membarrier)
+SYSCALL(sys_recvmmsg,compat_sys_recvmmsg)
+SYSCALL(sys_sendmmsg,compat_sys_sendmmsg)
+SYSCALL(sys_socket,sys_socket)
+SYSCALL(sys_socketpair,compat_sys_socketpair)		/* 360 */
+SYSCALL(sys_bind,sys_bind)
+SYSCALL(sys_connect,sys_connect)
+SYSCALL(sys_listen,sys_listen)
+SYSCALL(sys_accept4,sys_accept4)
+SYSCALL(sys_getsockopt,compat_sys_getsockopt)		/* 365 */
+SYSCALL(sys_setsockopt,compat_sys_setsockopt)
+SYSCALL(sys_getsockname,compat_sys_getsockname)
+SYSCALL(sys_getpeername,compat_sys_getpeername)
+SYSCALL(sys_sendto,compat_sys_sendto)
+SYSCALL(sys_sendmsg,compat_sys_sendmsg)			/* 370 */
+SYSCALL(sys_recvfrom,compat_sys_recvfrom)
+SYSCALL(sys_recvmsg,compat_sys_recvmsg)
+SYSCALL(sys_shutdown,sys_shutdown)
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index b9ce650..dafc44f 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -25,7 +25,7 @@
 static atomic64_t virt_timer_current;
 static atomic64_t virt_timer_elapsed;
 
-static DEFINE_PER_CPU(u64, mt_cycles[32]);
+DEFINE_PER_CPU(u64, mt_cycles[8]);
 static DEFINE_PER_CPU(u64, mt_scaling_mult) = { 1 };
 static DEFINE_PER_CPU(u64, mt_scaling_div) = { 1 };
 static DEFINE_PER_CPU(u64, mt_scaling_jiffies);
@@ -60,6 +60,34 @@
 	return elapsed >= atomic64_read(&virt_timer_current);
 }
 
+static void update_mt_scaling(void)
+{
+	u64 cycles_new[8], *cycles_old;
+	u64 delta, fac, mult, div;
+	int i;
+
+	stcctm5(smp_cpu_mtid + 1, cycles_new);
+	cycles_old = this_cpu_ptr(mt_cycles);
+	fac = 1;
+	mult = div = 0;
+	for (i = 0; i <= smp_cpu_mtid; i++) {
+		delta = cycles_new[i] - cycles_old[i];
+		div += delta;
+		mult *= i + 1;
+		mult += delta * fac;
+		fac *= i + 1;
+	}
+	div *= fac;
+	if (div > 0) {
+		/* Update scaling factor */
+		__this_cpu_write(mt_scaling_mult, mult);
+		__this_cpu_write(mt_scaling_div, div);
+		memcpy(cycles_old, cycles_new,
+		       sizeof(u64) * (smp_cpu_mtid + 1));
+	}
+	__this_cpu_write(mt_scaling_jiffies, jiffies_64);
+}
+
 /*
  * Update process times based on virtual cpu times stored by entry.S
  * to the lowcore fields user_timer, system_timer & steal_clock.
@@ -69,7 +97,6 @@
 	struct thread_info *ti = task_thread_info(tsk);
 	u64 timer, clock, user, system, steal;
 	u64 user_scaled, system_scaled;
-	int i;
 
 	timer = S390_lowcore.last_update_timer;
 	clock = S390_lowcore.last_update_clock;
@@ -85,30 +112,10 @@
 	S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer;
 	S390_lowcore.steal_timer += S390_lowcore.last_update_clock - clock;
 
-	/* Do MT utilization calculation */
+	/* Update MT utilization calculation */
 	if (smp_cpu_mtid &&
-	    time_after64(jiffies_64, __this_cpu_read(mt_scaling_jiffies))) {
-		u64 cycles_new[32], *cycles_old;
-		u64 delta, mult, div;
-
-		cycles_old = this_cpu_ptr(mt_cycles);
-		if (stcctm5(smp_cpu_mtid + 1, cycles_new) < 2) {
-			mult = div = 0;
-			for (i = 0; i <= smp_cpu_mtid; i++) {
-				delta = cycles_new[i] - cycles_old[i];
-				mult += delta;
-				div += (i + 1) * delta;
-			}
-			if (mult > 0) {
-				/* Update scaling factor */
-				__this_cpu_write(mt_scaling_mult, mult);
-				__this_cpu_write(mt_scaling_div, div);
-				memcpy(cycles_old, cycles_new,
-				       sizeof(u64) * (smp_cpu_mtid + 1));
-			}
-		}
-		__this_cpu_write(mt_scaling_jiffies, jiffies_64);
-	}
+	    time_after64(jiffies_64, this_cpu_read(mt_scaling_jiffies)))
+		update_mt_scaling();
 
 	user = S390_lowcore.user_timer - ti->user_timer;
 	S390_lowcore.steal_timer -= user;
@@ -177,6 +184,11 @@
 	S390_lowcore.last_update_timer = get_vtimer();
 	S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer;
 
+	/* Update MT utilization calculation */
+	if (smp_cpu_mtid &&
+	    time_after64(jiffies_64, this_cpu_read(mt_scaling_jiffies)))
+		update_mt_scaling();
+
 	system = S390_lowcore.system_timer - ti->system_timer;
 	S390_lowcore.steal_timer -= system;
 	ti->system_timer = S390_lowcore.system_timer;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index c91eb94..0a67c40 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -63,6 +63,7 @@
 	{ "exit_program_interruption", VCPU_STAT(exit_program_interruption) },
 	{ "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) },
 	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll) },
+	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) },
 	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
 	{ "instruction_lctlg", VCPU_STAT(instruction_lctlg) },
 	{ "instruction_lctl", VCPU_STAT(instruction_lctl) },
@@ -1574,7 +1575,7 @@
 
 static void kvm_s390_vcpu_request_handled(struct kvm_vcpu *vcpu)
 {
-	atomic_or(PROG_REQUEST, &vcpu->arch.sie_block->prog20);
+	atomic_andnot(PROG_REQUEST, &vcpu->arch.sie_block->prog20);
 }
 
 /*
diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c
index 7de4e2f..30b2698 100644
--- a/arch/s390/numa/mode_emu.c
+++ b/arch/s390/numa/mode_emu.c
@@ -368,7 +368,7 @@
 		cpumask_copy(&top->thread_mask, &core->mask);
 		cpumask_copy(&top->core_mask, &core_mc(core)->mask);
 		cpumask_copy(&top->book_mask, &core_book(core)->mask);
-		cpumask_set_cpu(cpu, node_to_cpumask_map[core_node(core)->id]);
+		cpumask_set_cpu(cpu, &node_to_cpumask_map[core_node(core)->id]);
 		top->node_id = core_node(core)->id;
 	}
 }
@@ -383,7 +383,7 @@
 
 	/* Clear all node masks */
 	for (i = 0; i < MAX_NUMNODES; i++)
-		cpumask_clear(node_to_cpumask_map[i]);
+		cpumask_clear(&node_to_cpumask_map[i]);
 
 	/* Rebuild all masks */
 	toptree_for_each(core, numa, CORE)
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index 09b1d23..43f32ce 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -23,7 +23,7 @@
 pg_data_t *node_data[MAX_NUMNODES];
 EXPORT_SYMBOL(node_data);
 
-cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
+cpumask_t node_to_cpumask_map[MAX_NUMNODES];
 EXPORT_SYMBOL(node_to_cpumask_map);
 
 const struct numa_mode numa_mode_plain = {
@@ -144,7 +144,7 @@
 static int __init numa_init_early(void)
 {
 	/* Attach all possible CPUs to node 0 for now. */
-	cpumask_copy(node_to_cpumask_map[0], cpu_possible_mask);
+	cpumask_copy(&node_to_cpumask_map[0], cpu_possible_mask);
 	return 0;
 }
 early_initcall(numa_init_early);
diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
index 92ffe39..a05218f 100644
--- a/arch/score/include/asm/Kbuild
+++ b/arch/score/include/asm/Kbuild
@@ -13,3 +13,4 @@
 generic-y += trace_clock.h
 generic-y += xor.h
 generic-y += serial.h
+generic-y += word-at-a-time.h
diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c
index 6f97a8f..6129aef 100644
--- a/arch/sh/boards/mach-se/7343/irq.c
+++ b/arch/sh/boards/mach-se/7343/irq.c
@@ -29,7 +29,7 @@
 static void __iomem *se7343_irq_regs;
 struct irq_domain *se7343_irq_domain;
 
-static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void se7343_irq_demux(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct irq_chip *chip = irq_data_get_irq_chip(data);
diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c
index 60aebd1..24c74a8 100644
--- a/arch/sh/boards/mach-se/7722/irq.c
+++ b/arch/sh/boards/mach-se/7722/irq.c
@@ -28,7 +28,7 @@
 static void __iomem *se7722_irq_regs;
 struct irq_domain *se7722_irq_domain;
 
-static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void se7722_irq_demux(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct irq_chip *chip = irq_data_get_irq_chip(data);
diff --git a/arch/sh/boards/mach-se/7724/irq.c b/arch/sh/boards/mach-se/7724/irq.c
index 9f20338..64e681e 100644
--- a/arch/sh/boards/mach-se/7724/irq.c
+++ b/arch/sh/boards/mach-se/7724/irq.c
@@ -92,7 +92,7 @@
 	.irq_unmask	= enable_se7724_irq,
 };
 
-static void se7724_irq_demux(unsigned int __irq, struct irq_desc *desc)
+static void se7724_irq_demux(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct fpga_irq set = get_fpga_irq(irq);
diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c
index 24555c3..1fb2cbe 100644
--- a/arch/sh/boards/mach-x3proto/gpio.c
+++ b/arch/sh/boards/mach-x3proto/gpio.c
@@ -60,7 +60,7 @@
 	return virq;
 }
 
-static void x3proto_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void x3proto_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct irq_chip *chip = irq_data_get_irq_chip(data);
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index e973561..8180092 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -56,7 +56,7 @@
 	.irq_unmask	= hd64461_unmask_irq,
 };
 
-static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void hd64461_irq_demux(struct irq_desc *desc)
 {
 	unsigned short intv = __raw_readw(HD64461_NIRR);
 	unsigned int ext_irq = HD64461_IRQBASE;
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 0299f05..42efcf8 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -53,7 +53,7 @@
 }
 
 /* Handle one or multiple IRQs from the extended interrupt controller */
-static void leon_handle_ext_irq(unsigned int irq, struct irq_desc *desc)
+static void leon_handle_ext_irq(struct irq_desc *desc)
 {
 	unsigned int eirq;
 	struct irq_bucket *p;
diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
index 3382f7b..1e77128 100644
--- a/arch/sparc/kernel/leon_pci_grpci1.c
+++ b/arch/sparc/kernel/leon_pci_grpci1.c
@@ -357,7 +357,7 @@
 };
 
 /* Handle one or multiple IRQs from the PCI core */
-static void grpci1_pci_flow_irq(unsigned int irq, struct irq_desc *desc)
+static void grpci1_pci_flow_irq(struct irq_desc *desc)
 {
 	struct grpci1_priv *priv = grpci1priv;
 	int i, ack = 0;
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index 814fb17..f727c4d 100644
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -498,7 +498,7 @@
 };
 
 /* Handle one or multiple IRQs from the PCI core */
-static void grpci2_pci_flow_irq(unsigned int irq, struct irq_desc *desc)
+static void grpci2_pci_flow_irq(struct irq_desc *desc)
 {
 	struct grpci2_priv *priv = grpci2priv;
 	int i, ack = 0;
diff --git a/arch/tile/gxio/mpipe.c b/arch/tile/gxio/mpipe.c
index ee186e1..f102048 100644
--- a/arch/tile/gxio/mpipe.c
+++ b/arch/tile/gxio/mpipe.c
@@ -19,6 +19,7 @@
 #include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/module.h>
+#include <linux/string.h>
 
 #include <gxio/iorpc_globals.h>
 #include <gxio/iorpc_mpipe.h>
@@ -29,32 +30,6 @@
 /* HACK: Avoid pointless "shadow" warnings. */
 #define link link_shadow
 
-/**
- * strscpy - Copy a C-string into a sized buffer, but only if it fits
- * @dest: Where to copy the string to
- * @src: Where to copy the string from
- * @size: size of destination buffer
- *
- * Use this routine to avoid copying too-long strings.
- * The routine returns the total number of bytes copied
- * (including the trailing NUL) or zero if the buffer wasn't
- * big enough.  To ensure that programmers pay attention
- * to the return code, the destination has a single NUL
- * written at the front (if size is non-zero) when the
- * buffer is not big enough.
- */
-static size_t strscpy(char *dest, const char *src, size_t size)
-{
-	size_t len = strnlen(src, size) + 1;
-	if (len > size) {
-		if (size)
-			dest[0] = '\0';
-		return 0;
-	}
-	memcpy(dest, src, len);
-	return len;
-}
-
 int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index)
 {
 	char file[32];
@@ -540,7 +515,7 @@
 	if (!context)
 		return GXIO_ERR_NO_DEVICE;
 
-	if (strscpy(name.name, link_name, sizeof(name.name)) == 0)
+	if (strscpy(name.name, link_name, sizeof(name.name)) < 0)
 		return GXIO_ERR_NO_DEVICE;
 
 	return gxio_mpipe_info_instance_aux(context, name);
@@ -559,7 +534,7 @@
 
 	rv = gxio_mpipe_info_enumerate_aux(context, idx, &name, &mac);
 	if (rv >= 0) {
-		if (strscpy(link_name, name.name, sizeof(name.name)) == 0)
+		if (strscpy(link_name, name.name, sizeof(name.name)) < 0)
 			return GXIO_ERR_INVAL_MEMORY_SIZE;
 		memcpy(link_mac, mac.mac, sizeof(mac.mac));
 	}
@@ -576,7 +551,7 @@
 	_gxio_mpipe_link_name_t name;
 	int rv;
 
-	if (strscpy(name.name, link_name, sizeof(name.name)) == 0)
+	if (strscpy(name.name, link_name, sizeof(name.name)) < 0)
 		return GXIO_ERR_NO_DEVICE;
 
 	rv = gxio_mpipe_link_open_aux(context, name, flags);
diff --git a/arch/tile/include/asm/word-at-a-time.h b/arch/tile/include/asm/word-at-a-time.h
index 9e5ce0d..b66a693 100644
--- a/arch/tile/include/asm/word-at-a-time.h
+++ b/arch/tile/include/asm/word-at-a-time.h
@@ -6,7 +6,7 @@
 struct word_at_a_time { /* unused */ };
 #define WORD_AT_A_TIME_CONSTANTS {}
 
-/* Generate 0x01 byte values for non-zero bytes using a SIMD instruction. */
+/* Generate 0x01 byte values for zero bytes using a SIMD instruction. */
 static inline unsigned long has_zero(unsigned long val, unsigned long *data,
 				     const struct word_at_a_time *c)
 {
@@ -33,4 +33,10 @@
 #endif
 }
 
+#ifdef __BIG_ENDIAN
+#define zero_bytemask(mask) (~1ul << (63 - __builtin_clzl(mask)))
+#else
+#define zero_bytemask(mask) ((2ul << __builtin_ctzl(mask)) - 1)
+#endif
+
 #endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/arch/tile/kernel/pci_gx.c b/arch/tile/kernel/pci_gx.c
index b3f73fd..4c017d0 100644
--- a/arch/tile/kernel/pci_gx.c
+++ b/arch/tile/kernel/pci_gx.c
@@ -304,17 +304,16 @@
  * to Linux which just calls handle_level_irq() after clearing the
  * MAC INTx Assert status bit associated with this interrupt.
  */
-static void trio_handle_level_irq(unsigned int __irq, struct irq_desc *desc)
+static void trio_handle_level_irq(struct irq_desc *desc)
 {
 	struct pci_controller *controller = irq_desc_get_handler_data(desc);
 	gxio_trio_context_t *trio_context = controller->trio;
 	uint64_t intx = (uint64_t)irq_desc_get_chip_data(desc);
-	unsigned int irq = irq_desc_get_irq(desc);
 	int mac = controller->mac;
 	unsigned int reg_offset;
 	uint64_t level_mask;
 
-	handle_level_irq(irq, desc);
+	handle_level_irq(desc);
 
 	/*
 	 * Clear the INTx Level status, otherwise future interrupts are
diff --git a/arch/tile/kernel/usb.c b/arch/tile/kernel/usb.c
index f0da5a2..9f1e05e 100644
--- a/arch/tile/kernel/usb.c
+++ b/arch/tile/kernel/usb.c
@@ -22,6 +22,7 @@
 #include <linux/platform_device.h>
 #include <linux/usb/tilegx.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/types.h>
 
 static u64 ehci_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index 149ec55..904f3eb 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -25,4 +25,5 @@
 generic-y += switch_to.h
 generic-y += topology.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild
index 1fc7a28..256c45b 100644
--- a/arch/unicore32/include/asm/Kbuild
+++ b/arch/unicore32/include/asm/Kbuild
@@ -62,4 +62,5 @@
 generic-y += unaligned.h
 generic-y += user.h
 generic-y += vga.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/unicore32/kernel/irq.c b/arch/unicore32/kernel/irq.c
index c53729d..eb1fd00 100644
--- a/arch/unicore32/kernel/irq.c
+++ b/arch/unicore32/kernel/irq.c
@@ -112,7 +112,7 @@
  * irq_controller_lock held, and IRQs disabled.  Decode the IRQ
  * and call the handler.
  */
-static void puv3_gpio_handler(unsigned int __irq, struct irq_desc *desc)
+static void puv3_gpio_handler(struct irq_desc *desc)
 {
 	unsigned int mask, irq;
 
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7aef2d5..96d058a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1006,7 +1006,7 @@
 	depends on X86_MCE_INTEL
 
 config X86_LEGACY_VM86
-	bool "Legacy VM86 support (obsolete)"
+	bool "Legacy VM86 support"
 	default n
 	depends on X86_32
 	---help---
@@ -1018,19 +1018,20 @@
 	  available to accelerate real mode DOS programs.  However, any
 	  recent version of DOSEMU, X, or vbetool should be fully
 	  functional even without kernel VM86 support, as they will all
-	  fall back to (pretty well performing) software emulation.
+	  fall back to software emulation. Nevertheless, if you are using
+	  a 16-bit DOS program where 16-bit performance matters, vm86
+	  mode might be faster than emulation and you might want to
+	  enable this option.
 
-	  Anything that works on a 64-bit kernel is unlikely to need
-	  this option, as 64-bit kernels don't, and can't, support V8086
-	  mode.  This option is also unrelated to 16-bit protected mode
-	  and is not needed to run most 16-bit programs under Wine.
+	  Note that any app that works on a 64-bit kernel is unlikely to
+	  need this option, as 64-bit kernels don't, and can't, support
+	  V8086 mode. This option is also unrelated to 16-bit protected
+	  mode and is not needed to run most 16-bit programs under Wine.
 
-	  Enabling this option adds considerable attack surface to the
-	  kernel and slows down system calls and exception handling.
+	  Enabling this option increases the complexity of the kernel
+	  and slows down exception handling a tiny bit.
 
-	  Unless you use very old userspace or need the last drop of
-	  performance in your real mode DOS games and can't use KVM,
-	  say N here.
+	  If unsure, say N here.
 
 config VM86
        bool
@@ -1307,6 +1308,7 @@
 config X86_PAE
 	bool "PAE (Physical Address Extension) Support"
 	depends on X86_32 && !HIGHMEM4G
+	select SWIOTLB
 	---help---
 	  PAE is required for NX support, and furthermore enables
 	  larger swapspace support for non-overcommit purposes. It
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index d303318..055a01d 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -1128,7 +1128,18 @@
 
 /* Runs on exception stack */
 ENTRY(nmi)
+	/*
+	 * Fix up the exception frame if we're on Xen.
+	 * PARAVIRT_ADJUST_EXCEPTION_FRAME is guaranteed to push at most
+	 * one value to the stack on native, so it may clobber the rdx
+	 * scratch slot, but it won't clobber any of the important
+	 * slots past it.
+	 *
+	 * Xen is a different story, because the Xen frame itself overlaps
+	 * the "NMI executing" variable.
+	 */
 	PARAVIRT_ADJUST_EXCEPTION_FRAME
+
 	/*
 	 * We allow breakpoints in NMIs. If a breakpoint occurs, then
 	 * the iretq it performs will take us out of NMI context.
@@ -1179,9 +1190,12 @@
 	 * we don't want to enable interrupts, because then we'll end
 	 * up in an awkward situation in which IRQs are on but NMIs
 	 * are off.
+	 *
+	 * We also must not push anything to the stack before switching
+	 * stacks lest we corrupt the "NMI executing" variable.
 	 */
 
-	SWAPGS
+	SWAPGS_UNSAFE_STACK
 	cld
 	movq	%rsp, %rdx
 	movq	PER_CPU_VAR(cpu_current_top_of_stack), %rsp
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 477fc28..9727b3b 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -193,7 +193,7 @@
 #define X86_FEATURE_HW_PSTATE	( 7*32+ 8) /* AMD HW-PState */
 #define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
 #define X86_FEATURE_HWP		( 7*32+ 10) /* "hwp" Intel HWP */
-#define X86_FEATURE_HWP_NOITFY	( 7*32+ 11) /* Intel HWP_NOTIFY */
+#define X86_FEATURE_HWP_NOTIFY	( 7*32+ 11) /* Intel HWP_NOTIFY */
 #define X86_FEATURE_HWP_ACT_WINDOW ( 7*32+ 12) /* Intel HWP_ACT_WINDOW */
 #define X86_FEATURE_HWP_EPP	( 7*32+13) /* Intel HWP_EPP */
 #define X86_FEATURE_HWP_PKG_REQ ( 7*32+14) /* Intel HWP_PKG_REQ */
@@ -241,6 +241,7 @@
 #define X86_FEATURE_AVX512PF	( 9*32+26) /* AVX-512 Prefetch */
 #define X86_FEATURE_AVX512ER	( 9*32+27) /* AVX-512 Exponential and Reciprocal */
 #define X86_FEATURE_AVX512CD	( 9*32+28) /* AVX-512 Conflict Detection */
+#define X86_FEATURE_SHA_NI	( 9*32+29) /* SHA1/SHA256 Instruction Extensions */
 
 /* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */
 #define X86_FEATURE_XSAVEOPT	(10*32+ 0) /* XSAVEOPT */
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 155162e..ae68be9 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -86,6 +86,18 @@
 extern void __iomem *__init efi_ioremap(unsigned long addr, unsigned long size,
 					u32 type, u64 attribute);
 
+#ifdef CONFIG_KASAN
+/*
+ * CONFIG_KASAN may redefine memset to __memset.  __memset function is present
+ * only in kernel binary.  Since the EFI stub linked into a separate binary it
+ * doesn't have __memset().  So we should use standard memset from
+ * arch/x86/boot/compressed/string.c.  The same applies to memcpy and memmove.
+ */
+#undef memcpy
+#undef memset
+#undef memmove
+#endif
+
 #endif /* CONFIG_X86_32 */
 
 extern struct efi_scratch efi_scratch;
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index c12e845..2beee03 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -40,6 +40,7 @@
 
 #define KVM_PIO_PAGE_OFFSET 1
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
+#define KVM_HALT_POLL_NS_DEFAULT 500000
 
 #define KVM_IRQCHIP_NUM_PINS  KVM_IOAPIC_NUM_PINS
 
@@ -711,6 +712,7 @@
 	u32 nmi_window_exits;
 	u32 halt_exits;
 	u32 halt_successful_poll;
+	u32 halt_attempted_poll;
 	u32 halt_wakeup;
 	u32 request_irq_exits;
 	u32 irq_exits;
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index c1c0a1c..b8c14bb 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -141,6 +141,8 @@
 #define DEBUGCTLMSR_BTS_OFF_USR		(1UL << 10)
 #define DEBUGCTLMSR_FREEZE_LBRS_ON_PMI	(1UL << 11)
 
+#define MSR_PEBS_FRONTEND		0x000003f7
+
 #define MSR_IA32_POWER_CTL		0x000001fc
 
 #define MSR_IA32_MC0_CTL		0x00000400
@@ -331,6 +333,7 @@
 /* C1E active bits in int pending message */
 #define K8_INTP_C1E_ACTIVE_MASK		0x18000000
 #define MSR_K8_TSEG_ADDR		0xc0010112
+#define MSR_K8_TSEG_MASK		0xc0010113
 #define K8_MTRRFIXRANGE_DRAM_ENABLE	0x00040000 /* MtrrFixDramEn bit    */
 #define K8_MTRRFIXRANGE_DRAM_MODIFY	0x00080000 /* MtrrFixDramModEn bit */
 #define K8_MTRR_RDMEM_WRMEM_MASK	0x18181818 /* Mask: RdMem|WrMem    */
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index ce029e4..31247b5 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -97,7 +97,6 @@
 struct pv_time_ops {
 	unsigned long long (*sched_clock)(void);
 	unsigned long long (*steal_clock)(int cpu);
-	unsigned long (*get_tsc_khz)(void);
 };
 
 struct pv_cpu_ops {
diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h
index 655e07a..67f0823 100644
--- a/arch/x86/include/asm/pvclock-abi.h
+++ b/arch/x86/include/asm/pvclock-abi.h
@@ -41,6 +41,7 @@
 
 #define PVCLOCK_TSC_STABLE_BIT	(1 << 0)
 #define PVCLOCK_GUEST_STOPPED	(1 << 1)
+/* PVCLOCK_COUNTS_FROM_ZERO broke ABI and can't be used anymore. */
 #define PVCLOCK_COUNTS_FROM_ZERO (1 << 2)
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_X86_PVCLOCK_ABI_H */
diff --git a/arch/x86/include/asm/qspinlock.h b/arch/x86/include/asm/qspinlock.h
index 9d51fae..eaba080 100644
--- a/arch/x86/include/asm/qspinlock.h
+++ b/arch/x86/include/asm/qspinlock.h
@@ -39,18 +39,27 @@
 }
 #endif
 
-#define virt_queued_spin_lock virt_queued_spin_lock
-
-static inline bool virt_queued_spin_lock(struct qspinlock *lock)
+#ifdef CONFIG_PARAVIRT
+#define virt_spin_lock virt_spin_lock
+static inline bool virt_spin_lock(struct qspinlock *lock)
 {
 	if (!static_cpu_has(X86_FEATURE_HYPERVISOR))
 		return false;
 
-	while (atomic_cmpxchg(&lock->val, 0, _Q_LOCKED_VAL) != 0)
-		cpu_relax();
+	/*
+	 * On hypervisors without PARAVIRT_SPINLOCKS support we fall
+	 * back to a Test-and-Set spinlock, because fair locks have
+	 * horrible lock 'holder' preemption issues.
+	 */
+
+	do {
+		while (atomic_read(&lock->val) != 0)
+			cpu_relax();
+	} while (atomic_cmpxchg(&lock->val, 0, _Q_LOCKED_VAL) != 0);
 
 	return true;
 }
+#endif /* CONFIG_PARAVIRT */
 
 #include <asm-generic/qspinlock.h>
 
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 83aea80..4c20dd3 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -336,10 +336,10 @@
 	return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
 }
 
-static inline int
+static inline long
 HYPERVISOR_memory_op(unsigned int cmd, void *arg)
 {
-	return _hypercall2(int, memory_op, cmd, arg);
+	return _hypercall2(long, memory_op, cmd, arg);
 }
 
 static inline int
diff --git a/arch/x86/include/uapi/asm/bitsperlong.h b/arch/x86/include/uapi/asm/bitsperlong.h
index b0ae1c4..217909b 100644
--- a/arch/x86/include/uapi/asm/bitsperlong.h
+++ b/arch/x86/include/uapi/asm/bitsperlong.h
@@ -1,7 +1,7 @@
 #ifndef __ASM_X86_BITSPERLONG_H
 #define __ASM_X86_BITSPERLONG_H
 
-#ifdef __x86_64__
+#if defined(__x86_64__) && !defined(__ILP32__)
 # define __BITS_PER_LONG 64
 #else
 # define __BITS_PER_LONG 32
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index c42827e..25f9093 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -338,10 +338,15 @@
 
 static void __init_or_module optimize_nops(struct alt_instr *a, u8 *instr)
 {
+	unsigned long flags;
+
 	if (instr[0] != 0x90)
 		return;
 
+	local_irq_save(flags);
 	add_nops(instr + (a->instrlen - a->padlen), a->padlen);
+	sync_core();
+	local_irq_restore(flags);
 
 	DUMP_BYTES(instr, a->instrlen, "%p: [%d:%d) optimized NOPs: ",
 		   instr, a->instrlen - a->padlen, a->padlen);
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 3ca3e46..24e94ce 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -336,6 +336,13 @@
 	apic_write(APIC_LVTT, lvtt_value);
 
 	if (lvtt_value & APIC_LVT_TIMER_TSCDEADLINE) {
+		/*
+		 * See Intel SDM: TSC-Deadline Mode chapter. In xAPIC mode,
+		 * writing to the APIC LVTT and TSC_DEADLINE MSR isn't serialized.
+		 * According to Intel, MFENCE can do the serialization here.
+		 */
+		asm volatile("mfence" : : : "memory");
+
 		printk_once(KERN_DEBUG "TSC deadline timer enabled\n");
 		return;
 	}
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 38a76f8..5c60bb1 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2522,6 +2522,7 @@
 	int pin, ioapic, irq, irq_entry;
 	const struct cpumask *mask;
 	struct irq_data *idata;
+	struct irq_chip *chip;
 
 	if (skip_ioapic_setup == 1)
 		return;
@@ -2545,9 +2546,9 @@
 		else
 			mask = apic->target_cpus();
 
-		irq_set_affinity(irq, mask);
+		chip = irq_data_get_irq_chip(idata);
+		chip->irq_set_affinity(idata, mask, false);
 	}
-
 }
 #endif
 
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 1bbd0fe..836d11b 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -489,10 +489,8 @@
 
 	err = assign_irq_vector(irq, data, dest);
 	if (err) {
-		struct irq_data *top = irq_get_irq_data(irq);
-
 		if (assign_irq_vector(irq, data,
-				      irq_data_get_affinity_mask(top)))
+				      irq_data_get_affinity_mask(irq_data)))
 			pr_err("Failed to recover vector for irq %d\n", irq);
 		return err;
 	}
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 07ce52c..de22ea7 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1110,10 +1110,10 @@
 	else
 		printk(KERN_CONT "%d86", c->x86);
 
-	printk(KERN_CONT " (fam: %02x, model: %02x", c->x86, c->x86_model);
+	printk(KERN_CONT " (family: 0x%x, model: 0x%x", c->x86, c->x86_model);
 
 	if (c->x86_mask || c->cpuid_level >= 0)
-		printk(KERN_CONT ", stepping: %02x)\n", c->x86_mask);
+		printk(KERN_CONT ", stepping: 0x%x)\n", c->x86_mask);
 	else
 		printk(KERN_CONT ")\n");
 
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 381c8b9..20e242e 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -34,11 +34,10 @@
 struct ms_hyperv_info ms_hyperv;
 EXPORT_SYMBOL_GPL(ms_hyperv);
 
-static void (*hv_kexec_handler)(void);
-static void (*hv_crash_handler)(struct pt_regs *regs);
-
 #if IS_ENABLED(CONFIG_HYPERV)
 static void (*vmbus_handler)(void);
+static void (*hv_kexec_handler)(void);
+static void (*hv_crash_handler)(struct pt_regs *regs);
 
 void hyperv_vector_handler(struct pt_regs *regs)
 {
@@ -96,8 +95,8 @@
 	hv_crash_handler = NULL;
 }
 EXPORT_SYMBOL_GPL(hv_remove_crash_handler);
-#endif
 
+#ifdef CONFIG_KEXEC_CORE
 static void hv_machine_shutdown(void)
 {
 	if (kexec_in_progress && hv_kexec_handler)
@@ -111,7 +110,8 @@
 		hv_crash_handler(regs);
 	native_machine_crash_shutdown(regs);
 }
-
+#endif /* CONFIG_KEXEC_CORE */
+#endif /* CONFIG_HYPERV */
 
 static uint32_t  __init ms_hyperv_platform(void)
 {
@@ -186,8 +186,10 @@
 	no_timer_check = 1;
 #endif
 
+#if IS_ENABLED(CONFIG_HYPERV) && defined(CONFIG_KEXEC_CORE)
 	machine_ops.shutdown = hv_machine_shutdown;
 	machine_ops.crash_shutdown = hv_machine_crash_shutdown;
+#endif
 	mark_tsc_unstable("running on Hyper-V");
 }
 
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 5edf6d8..165be83 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -47,6 +47,7 @@
 	EXTRA_REG_RSP_1 = 1,	/* offcore_response_1 */
 	EXTRA_REG_LBR   = 2,	/* lbr_select */
 	EXTRA_REG_LDLAT = 3,	/* ld_lat_threshold */
+	EXTRA_REG_FE    = 4,    /* fe_* */
 
 	EXTRA_REG_MAX		/* number of entries needed */
 };
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index cd9b6d0..f63360b 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -205,6 +205,11 @@
 	INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
 	INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
 	INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
+	/*
+	 * Note the low 8 bits eventsel code is not a continuous field, containing
+	 * some #GPing bits. These are masked out.
+	 */
+	INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
 	EVENT_EXTRA_END
 };
 
@@ -250,7 +255,7 @@
 	FIXED_EVENT_CONSTRAINT(0x003c, 1),	/* CPU_CLK_UNHALTED.CORE */
 	FIXED_EVENT_CONSTRAINT(0x0300, 2),	/* CPU_CLK_UNHALTED.REF */
 	INTEL_UEVENT_CONSTRAINT(0x148, 0x4),	/* L1D_PEND_MISS.PENDING */
-	INTEL_EVENT_CONSTRAINT(0xa3, 0x4),	/* CYCLE_ACTIVITY.* */
+	INTEL_UEVENT_CONSTRAINT(0x8a3, 0x4),	/* CYCLE_ACTIVITY.CYCLES_L1D_MISS */
 	EVENT_CONSTRAINT_END
 };
 
@@ -2316,9 +2321,12 @@
 intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
 			    struct perf_event *event)
 {
-	struct event_constraint *c1 = cpuc->event_constraint[idx];
+	struct event_constraint *c1 = NULL;
 	struct event_constraint *c2;
 
+	if (idx >= 0) /* fake does < 0 */
+		c1 = cpuc->event_constraint[idx];
+
 	/*
 	 * first time only
 	 * - static constraint: no change across incremental scheduling calls
@@ -2888,6 +2896,8 @@
 
 PMU_FORMAT_ATTR(ldlat, "config1:0-15");
 
+PMU_FORMAT_ATTR(frontend, "config1:0-23");
+
 static struct attribute *intel_arch3_formats_attr[] = {
 	&format_attr_event.attr,
 	&format_attr_umask.attr,
@@ -2904,6 +2914,11 @@
 	NULL,
 };
 
+static struct attribute *skl_format_attr[] = {
+	&format_attr_frontend.attr,
+	NULL,
+};
+
 static __initconst const struct x86_pmu core_pmu = {
 	.name			= "core",
 	.handle_irq		= x86_pmu_handle_irq,
@@ -3513,7 +3528,8 @@
 
 		x86_pmu.hw_config = hsw_hw_config;
 		x86_pmu.get_event_constraints = hsw_get_event_constraints;
-		x86_pmu.cpu_events = hsw_events_attrs;
+		x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr,
+						  skl_format_attr);
 		WARN_ON(!x86_pmu.format_attrs);
 		x86_pmu.cpu_events = hsw_events_attrs;
 		pr_cont("Skylake events, ");
diff --git a/arch/x86/kernel/cpu/perf_event_intel_bts.c b/arch/x86/kernel/cpu/perf_event_intel_bts.c
index 54690e8..d1c0f25 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_bts.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_bts.c
@@ -222,6 +222,7 @@
 	if (!buf || bts_buffer_is_full(buf, bts))
 		return;
 
+	event->hw.itrace_started = 1;
 	event->hw.state = 0;
 
 	if (!buf->snapshot)
diff --git a/arch/x86/kernel/cpu/perf_event_msr.c b/arch/x86/kernel/cpu/perf_event_msr.c
index 086b12e..f32ac13 100644
--- a/arch/x86/kernel/cpu/perf_event_msr.c
+++ b/arch/x86/kernel/cpu/perf_event_msr.c
@@ -10,12 +10,12 @@
 	PERF_MSR_EVENT_MAX,
 };
 
-bool test_aperfmperf(int idx)
+static bool test_aperfmperf(int idx)
 {
 	return boot_cpu_has(X86_FEATURE_APERFMPERF);
 }
 
-bool test_intel(int idx)
+static bool test_intel(int idx)
 {
 	if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL ||
 	    boot_cpu_data.x86 != 6)
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 3d423a1..608fb26 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -37,7 +37,7 @@
 		{ X86_FEATURE_PLN,		CR_EAX, 4, 0x00000006, 0 },
 		{ X86_FEATURE_PTS,		CR_EAX, 6, 0x00000006, 0 },
 		{ X86_FEATURE_HWP,		CR_EAX, 7, 0x00000006, 0 },
-		{ X86_FEATURE_HWP_NOITFY,	CR_EAX, 8, 0x00000006, 0 },
+		{ X86_FEATURE_HWP_NOTIFY,	CR_EAX, 8, 0x00000006, 0 },
 		{ X86_FEATURE_HWP_ACT_WINDOW,	CR_EAX, 9, 0x00000006, 0 },
 		{ X86_FEATURE_HWP_EPP,		CR_EAX,10, 0x00000006, 0 },
 		{ X86_FEATURE_HWP_PKG_REQ,	CR_EAX,11, 0x00000006, 0 },
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index e068d66..74ca2fe 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -185,10 +185,9 @@
 }
 
 #ifdef CONFIG_KEXEC_FILE
-static int get_nr_ram_ranges_callback(unsigned long start_pfn,
-				unsigned long nr_pfn, void *arg)
+static int get_nr_ram_ranges_callback(u64 start, u64 end, void *arg)
 {
-	int *nr_ranges = arg;
+	unsigned int *nr_ranges = arg;
 
 	(*nr_ranges)++;
 	return 0;
@@ -214,7 +213,7 @@
 
 	ced->image = image;
 
-	walk_system_ram_range(0, -1, &nr_ranges,
+	walk_system_ram_res(0, -1, &nr_ranges,
 				get_nr_ram_ranges_callback);
 
 	ced->max_nr_ranges = nr_ranges;
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index c80cf66..38da8f2 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -68,11 +68,10 @@
 	return (void *)(current_stack_pointer() & ~(THREAD_SIZE - 1));
 }
 
-static inline int
-execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
+static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc)
 {
 	struct irq_stack *curstk, *irqstk;
-	u32 *isp, *prev_esp, arg1, arg2;
+	u32 *isp, *prev_esp, arg1;
 
 	curstk = (struct irq_stack *) current_stack();
 	irqstk = __this_cpu_read(hardirq_stack);
@@ -98,8 +97,8 @@
 	asm volatile("xchgl	%%ebx,%%esp	\n"
 		     "call	*%%edi		\n"
 		     "movl	%%ebx,%%esp	\n"
-		     : "=a" (arg1), "=d" (arg2), "=b" (isp)
-		     :  "0" (irq),   "1" (desc),  "2" (isp),
+		     : "=a" (arg1), "=b" (isp)
+		     :  "0" (desc),   "1" (isp),
 			"D" (desc->handle_irq)
 		     : "memory", "cc", "ecx");
 	return 1;
@@ -150,19 +149,15 @@
 
 bool handle_irq(struct irq_desc *desc, struct pt_regs *regs)
 {
-	unsigned int irq;
-	int overflow;
-
-	overflow = check_stack_overflow();
+	int overflow = check_stack_overflow();
 
 	if (IS_ERR_OR_NULL(desc))
 		return false;
 
-	irq = irq_desc_get_irq(desc);
-	if (user_mode(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
+	if (user_mode(regs) || !execute_on_irq_stack(overflow, desc)) {
 		if (unlikely(overflow))
 			print_stack_overflow();
-		generic_handle_irq_desc(irq, desc);
+		generic_handle_irq_desc(desc);
 	}
 
 	return true;
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index ff16ccb..c767cf2 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -75,6 +75,6 @@
 	if (unlikely(IS_ERR_OR_NULL(desc)))
 		return false;
 
-	generic_handle_irq_desc(irq_desc_get_irq(desc), desc);
+	generic_handle_irq_desc(desc);
 	return true;
 }
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 2bcc052..6acc9dd 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -58,7 +58,7 @@
 	if (alloc_size > PAGE_SIZE)
 		new_ldt->entries = vzalloc(alloc_size);
 	else
-		new_ldt->entries = kzalloc(PAGE_SIZE, GFP_KERNEL);
+		new_ldt->entries = (void *)get_zeroed_page(GFP_KERNEL);
 
 	if (!new_ldt->entries) {
 		kfree(new_ldt);
@@ -95,7 +95,7 @@
 	if (ldt->size * LDT_ENTRY_SIZE > PAGE_SIZE)
 		vfree(ldt->entries);
 	else
-		kfree(ldt->entries);
+		free_page((unsigned long)ldt->entries);
 	kfree(ldt);
 }
 
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index f68e48f..c2130ae 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -41,10 +41,18 @@
 #include <asm/timer.h>
 #include <asm/special_insns.h>
 
-/* nop stub */
-void _paravirt_nop(void)
-{
-}
+/*
+ * nop stub, which must not clobber anything *including the stack* to
+ * avoid confusing the entry prologues.
+ */
+extern void _paravirt_nop(void);
+asm (".pushsection .entry.text, \"ax\"\n"
+     ".global _paravirt_nop\n"
+     "_paravirt_nop:\n\t"
+     "ret\n\t"
+     ".size _paravirt_nop, . - _paravirt_nop\n\t"
+     ".type _paravirt_nop, @function\n\t"
+     ".popsection");
 
 /* identity function, which can be inlined */
 u32 _paravirt_ident_32(u32 x)
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 84b8ef8..1b55de1 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -131,8 +131,8 @@
 
 bool arch_dma_alloc_attrs(struct device **dev, gfp_t *gfp)
 {
-	*gfp = dma_alloc_coherent_gfp_flags(*dev, *gfp);
 	*gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
+	*gfp = dma_alloc_coherent_gfp_flags(*dev, *gfp);
 
 	if (!*dev)
 		*dev = &x86_dma_fallback_dev;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 6d0e62a..39e585a 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -506,3 +506,58 @@
 	return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
 }
 
+/*
+ * Called from fs/proc with a reference on @p to find the function
+ * which called into schedule(). This needs to be done carefully
+ * because the task might wake up and we might look at a stack
+ * changing under us.
+ */
+unsigned long get_wchan(struct task_struct *p)
+{
+	unsigned long start, bottom, top, sp, fp, ip;
+	int count = 0;
+
+	if (!p || p == current || p->state == TASK_RUNNING)
+		return 0;
+
+	start = (unsigned long)task_stack_page(p);
+	if (!start)
+		return 0;
+
+	/*
+	 * Layout of the stack page:
+	 *
+	 * ----------- topmax = start + THREAD_SIZE - sizeof(unsigned long)
+	 * PADDING
+	 * ----------- top = topmax - TOP_OF_KERNEL_STACK_PADDING
+	 * stack
+	 * ----------- bottom = start + sizeof(thread_info)
+	 * thread_info
+	 * ----------- start
+	 *
+	 * The tasks stack pointer points at the location where the
+	 * framepointer is stored. The data on the stack is:
+	 * ... IP FP ... IP FP
+	 *
+	 * We need to read FP and IP, so we need to adjust the upper
+	 * bound by another unsigned long.
+	 */
+	top = start + THREAD_SIZE - TOP_OF_KERNEL_STACK_PADDING;
+	top -= 2 * sizeof(unsigned long);
+	bottom = start + sizeof(struct thread_info);
+
+	sp = READ_ONCE(p->thread.sp);
+	if (sp < bottom || sp > top)
+		return 0;
+
+	fp = READ_ONCE(*(unsigned long *)sp);
+	do {
+		if (fp < bottom || fp > top)
+			return 0;
+		ip = READ_ONCE(*(unsigned long *)(fp + sizeof(unsigned long)));
+		if (!in_sched_functions(ip))
+			return ip;
+		fp = READ_ONCE(*(unsigned long *)fp);
+	} while (count++ < 16 && p->state != TASK_RUNNING);
+	return 0;
+}
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index c13df2c..737527b 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -324,31 +324,3 @@
 
 	return prev_p;
 }
-
-#define top_esp                (THREAD_SIZE - sizeof(unsigned long))
-#define top_ebp                (THREAD_SIZE - 2*sizeof(unsigned long))
-
-unsigned long get_wchan(struct task_struct *p)
-{
-	unsigned long bp, sp, ip;
-	unsigned long stack_page;
-	int count = 0;
-	if (!p || p == current || p->state == TASK_RUNNING)
-		return 0;
-	stack_page = (unsigned long)task_stack_page(p);
-	sp = p->thread.sp;
-	if (!stack_page || sp < stack_page || sp > top_esp+stack_page)
-		return 0;
-	/* include/asm-i386/system.h:switch_to() pushes bp last. */
-	bp = *(unsigned long *) sp;
-	do {
-		if (bp < stack_page || bp > top_ebp+stack_page)
-			return 0;
-		ip = *(unsigned long *) (bp+4);
-		if (!in_sched_functions(ip))
-			return ip;
-		bp = *(unsigned long *) bp;
-	} while (count++ < 16);
-	return 0;
-}
-
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3c1bbcf..b35921a 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -499,30 +499,6 @@
 }
 EXPORT_SYMBOL_GPL(set_personality_ia32);
 
-unsigned long get_wchan(struct task_struct *p)
-{
-	unsigned long stack;
-	u64 fp, ip;
-	int count = 0;
-
-	if (!p || p == current || p->state == TASK_RUNNING)
-		return 0;
-	stack = (unsigned long)task_stack_page(p);
-	if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
-		return 0;
-	fp = *(u64 *)(p->thread.sp);
-	do {
-		if (fp < (unsigned long)stack ||
-		    fp >= (unsigned long)stack+THREAD_SIZE)
-			return 0;
-		ip = *(u64 *)(fp+8);
-		if (!in_sched_functions(ip))
-			return ip;
-		fp = *(u64 *)fp;
-	} while (count++ < 16);
-	return 0;
-}
-
 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
 {
 	int ret = 0;
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index c8d52cb..c3f7602 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -21,6 +21,7 @@
 #include <asm/hypervisor.h>
 #include <asm/nmi.h>
 #include <asm/x86_init.h>
+#include <asm/geode.h>
 
 unsigned int __read_mostly cpu_khz;	/* TSC clocks / usec, not used here */
 EXPORT_SYMBOL(cpu_khz);
@@ -1013,15 +1014,17 @@
 
 static void __init check_system_tsc_reliable(void)
 {
-#ifdef CONFIG_MGEODE_LX
-	/* RTSC counts during suspend */
+#if defined(CONFIG_MGEODEGX1) || defined(CONFIG_MGEODE_LX) || defined(CONFIG_X86_GENERIC)
+	if (is_geode_lx()) {
+		/* RTSC counts during suspend */
 #define RTSC_SUSP 0x100
-	unsigned long res_low, res_high;
+		unsigned long res_low, res_high;
 
-	rdmsr_safe(MSR_GEODE_BUSCONT_CONF0, &res_low, &res_high);
-	/* Geode_LX - the OLPC CPU has a very reliable TSC */
-	if (res_low & RTSC_SUSP)
-		tsc_clocksource_reliable = 1;
+		rdmsr_safe(MSR_GEODE_BUSCONT_CONF0, &res_low, &res_high);
+		/* Geode_LX - the OLPC CPU has a very reliable TSC */
+		if (res_low & RTSC_SUSP)
+			tsc_clocksource_reliable = 1;
+	}
 #endif
 	if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE))
 		tsc_clocksource_reliable = 1;
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index abd8b856..5246193 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -45,6 +45,7 @@
 #include <linux/audit.h>
 #include <linux/stddef.h>
 #include <linux/slab.h>
+#include <linux/security.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -232,6 +233,32 @@
 	struct pt_regs *regs = current_pt_regs();
 	unsigned long err = 0;
 
+	err = security_mmap_addr(0);
+	if (err) {
+		/*
+		 * vm86 cannot virtualize the address space, so vm86 users
+		 * need to manage the low 1MB themselves using mmap.  Given
+		 * that BIOS places important data in the first page, vm86
+		 * is essentially useless if mmap_min_addr != 0.  DOSEMU,
+		 * for example, won't even bother trying to use vm86 if it
+		 * can't map a page at virtual address 0.
+		 *
+		 * To reduce the available kernel attack surface, simply
+		 * disallow vm86(old) for users who cannot mmap at va 0.
+		 *
+		 * The implementation of security_mmap_addr will allow
+		 * suitably privileged users to map va 0 even if
+		 * vm.mmap_min_addr is set above 0, and we want this
+		 * behavior for vm86 as well, as it ensures that legacy
+		 * tools like vbetool will not fail just because of
+		 * vm.mmap_min_addr.
+		 */
+		pr_info_once("Denied a call to vm86(old) from %s[%d] (uid: %d).  Set the vm.mmap_min_addr sysctl to 0 and/or adjust LSM mmap_min_addr policy to enable vm86 if you are using a vm86-based DOS emulator.\n",
+			     current->comm, task_pid_nr(current),
+			     from_kuid_munged(&init_user_ns, current_uid()));
+		return -EPERM;
+	}
+
 	if (!vm86) {
 		if (!(vm86 = kzalloc(sizeof(*vm86), GFP_KERNEL)))
 			return -ENOMEM;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 69088a1..ff606f5 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3322,7 +3322,7 @@
 			break;
 
 		reserved |= is_shadow_zero_bits_set(&vcpu->arch.mmu, spte,
-						    leaf);
+						    iterator.level);
 	}
 
 	walk_shadow_page_lockless_end(vcpu);
@@ -3614,7 +3614,7 @@
 __reset_rsvds_bits_mask(struct kvm_vcpu *vcpu,
 			struct rsvd_bits_validate *rsvd_check,
 			int maxphyaddr, int level, bool nx, bool gbpages,
-			bool pse)
+			bool pse, bool amd)
 {
 	u64 exb_bit_rsvd = 0;
 	u64 gbpages_bit_rsvd = 0;
@@ -3631,7 +3631,7 @@
 	 * Non-leaf PML4Es and PDPEs reserve bit 8 (which would be the G bit for
 	 * leaf entries) on AMD CPUs only.
 	 */
-	if (guest_cpuid_is_amd(vcpu))
+	if (amd)
 		nonleaf_bit8_rsvd = rsvd_bits(8, 8);
 
 	switch (level) {
@@ -3699,7 +3699,7 @@
 	__reset_rsvds_bits_mask(vcpu, &context->guest_rsvd_check,
 				cpuid_maxphyaddr(vcpu), context->root_level,
 				context->nx, guest_cpuid_has_gbpages(vcpu),
-				is_pse(vcpu));
+				is_pse(vcpu), guest_cpuid_is_amd(vcpu));
 }
 
 static void
@@ -3749,13 +3749,24 @@
 void
 reset_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, struct kvm_mmu *context)
 {
+	/*
+	 * Passing "true" to the last argument is okay; it adds a check
+	 * on bit 8 of the SPTEs which KVM doesn't use anyway.
+	 */
 	__reset_rsvds_bits_mask(vcpu, &context->shadow_zero_check,
 				boot_cpu_data.x86_phys_bits,
 				context->shadow_root_level, context->nx,
-				guest_cpuid_has_gbpages(vcpu), is_pse(vcpu));
+				guest_cpuid_has_gbpages(vcpu), is_pse(vcpu),
+				true);
 }
 EXPORT_SYMBOL_GPL(reset_shadow_zero_bits_mask);
 
+static inline bool boot_cpu_is_amd(void)
+{
+	WARN_ON_ONCE(!tdp_enabled);
+	return shadow_x_mask == 0;
+}
+
 /*
  * the direct page table on host, use as much mmu features as
  * possible, however, kvm currently does not do execution-protection.
@@ -3764,11 +3775,11 @@
 reset_tdp_shadow_zero_bits_mask(struct kvm_vcpu *vcpu,
 				struct kvm_mmu *context)
 {
-	if (guest_cpuid_is_amd(vcpu))
+	if (boot_cpu_is_amd())
 		__reset_rsvds_bits_mask(vcpu, &context->shadow_zero_check,
 					boot_cpu_data.x86_phys_bits,
 					context->shadow_root_level, false,
-					cpu_has_gbpages, true);
+					cpu_has_gbpages, true, true);
 	else
 		__reset_rsvds_bits_mask_ept(&context->shadow_zero_check,
 					    boot_cpu_data.x86_phys_bits,
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index fdb8cb6..2f9ed1f 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -202,6 +202,7 @@
 static int nested = true;
 module_param(nested, int, S_IRUGO);
 
+static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 static void svm_flush_tlb(struct kvm_vcpu *vcpu);
 static void svm_complete_interrupts(struct vcpu_svm *svm);
 
@@ -513,7 +514,7 @@
 	struct vcpu_svm *svm = to_svm(vcpu);
 
 	if (svm->vmcb->control.next_rip != 0) {
-		WARN_ON(!static_cpu_has(X86_FEATURE_NRIPS));
+		WARN_ON_ONCE(!static_cpu_has(X86_FEATURE_NRIPS));
 		svm->next_rip = svm->vmcb->control.next_rip;
 	}
 
@@ -865,64 +866,6 @@
 	set_msr_interception(msrpm, MSR_IA32_LASTINTTOIP, 0, 0);
 }
 
-#define MTRR_TYPE_UC_MINUS	7
-#define MTRR2PROTVAL_INVALID 0xff
-
-static u8 mtrr2protval[8];
-
-static u8 fallback_mtrr_type(int mtrr)
-{
-	/*
-	 * WT and WP aren't always available in the host PAT.  Treat
-	 * them as UC and UC- respectively.  Everything else should be
-	 * there.
-	 */
-	switch (mtrr)
-	{
-	case MTRR_TYPE_WRTHROUGH:
-		return MTRR_TYPE_UNCACHABLE;
-	case MTRR_TYPE_WRPROT:
-		return MTRR_TYPE_UC_MINUS;
-	default:
-		BUG();
-	}
-}
-
-static void build_mtrr2protval(void)
-{
-	int i;
-	u64 pat;
-
-	for (i = 0; i < 8; i++)
-		mtrr2protval[i] = MTRR2PROTVAL_INVALID;
-
-	/* Ignore the invalid MTRR types.  */
-	mtrr2protval[2] = 0;
-	mtrr2protval[3] = 0;
-
-	/*
-	 * Use host PAT value to figure out the mapping from guest MTRR
-	 * values to nested page table PAT/PCD/PWT values.  We do not
-	 * want to change the host PAT value every time we enter the
-	 * guest.
-	 */
-	rdmsrl(MSR_IA32_CR_PAT, pat);
-	for (i = 0; i < 8; i++) {
-		u8 mtrr = pat >> (8 * i);
-
-		if (mtrr2protval[mtrr] == MTRR2PROTVAL_INVALID)
-			mtrr2protval[mtrr] = __cm_idx2pte(i);
-	}
-
-	for (i = 0; i < 8; i++) {
-		if (mtrr2protval[i] == MTRR2PROTVAL_INVALID) {
-			u8 fallback = fallback_mtrr_type(i);
-			mtrr2protval[i] = mtrr2protval[fallback];
-			BUG_ON(mtrr2protval[i] == MTRR2PROTVAL_INVALID);
-		}
-	}
-}
-
 static __init int svm_hardware_setup(void)
 {
 	int cpu;
@@ -989,7 +932,6 @@
 	} else
 		kvm_disable_tdp();
 
-	build_mtrr2protval();
 	return 0;
 
 err:
@@ -1144,43 +1086,6 @@
 	return target_tsc - tsc;
 }
 
-static void svm_set_guest_pat(struct vcpu_svm *svm, u64 *g_pat)
-{
-	struct kvm_vcpu *vcpu = &svm->vcpu;
-
-	/* Unlike Intel, AMD takes the guest's CR0.CD into account.
-	 *
-	 * AMD does not have IPAT.  To emulate it for the case of guests
-	 * with no assigned devices, just set everything to WB.  If guests
-	 * have assigned devices, however, we cannot force WB for RAM
-	 * pages only, so use the guest PAT directly.
-	 */
-	if (!kvm_arch_has_assigned_device(vcpu->kvm))
-		*g_pat = 0x0606060606060606;
-	else
-		*g_pat = vcpu->arch.pat;
-}
-
-static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
-{
-	u8 mtrr;
-
-	/*
-	 * 1. MMIO: trust guest MTRR, so same as item 3.
-	 * 2. No passthrough: always map as WB, and force guest PAT to WB as well
-	 * 3. Passthrough: can't guarantee the result, try to trust guest.
-	 */
-	if (!is_mmio && !kvm_arch_has_assigned_device(vcpu->kvm))
-		return 0;
-
-	if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED) &&
-	    kvm_read_cr0(vcpu) & X86_CR0_CD)
-		return _PAGE_NOCACHE;
-
-	mtrr = kvm_mtrr_get_guest_memory_type(vcpu, gfn);
-	return mtrr2protval[mtrr];
-}
-
 static void init_vmcb(struct vcpu_svm *svm, bool init_event)
 {
 	struct vmcb_control_area *control = &svm->vmcb->control;
@@ -1263,7 +1168,8 @@
 	 * svm_set_cr0() sets PG and WP and clears NW and CD on save->cr0.
 	 * It also updates the guest-visible cr0 value.
 	 */
-	(void)kvm_set_cr0(&svm->vcpu, X86_CR0_NW | X86_CR0_CD | X86_CR0_ET);
+	svm_set_cr0(&svm->vcpu, X86_CR0_NW | X86_CR0_CD | X86_CR0_ET);
+	kvm_mmu_reset_context(&svm->vcpu);
 
 	save->cr4 = X86_CR4_PAE;
 	/* rdx = ?? */
@@ -1276,7 +1182,6 @@
 		clr_cr_intercept(svm, INTERCEPT_CR3_READ);
 		clr_cr_intercept(svm, INTERCEPT_CR3_WRITE);
 		save->g_pat = svm->vcpu.arch.pat;
-		svm_set_guest_pat(svm, &save->g_pat);
 		save->cr3 = 0;
 		save->cr4 = 0;
 	}
@@ -1671,10 +1576,13 @@
 
 	if (!vcpu->fpu_active)
 		cr0 |= X86_CR0_TS;
-
-	/* These are emulated via page tables.  */
-	cr0 &= ~(X86_CR0_CD | X86_CR0_NW);
-
+	/*
+	 * re-enable caching here because the QEMU bios
+	 * does not do it - this results in some delay at
+	 * reboot
+	 */
+	if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED))
+		cr0 &= ~(X86_CR0_CD | X86_CR0_NW);
 	svm->vmcb->save.cr0 = cr0;
 	mark_dirty(svm->vmcb, VMCB_CR);
 	update_cr0_intercept(svm);
@@ -3349,16 +3257,6 @@
 	case MSR_VM_IGNNE:
 		vcpu_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
 		break;
-	case MSR_IA32_CR_PAT:
-		if (npt_enabled) {
-			if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data))
-				return 1;
-			vcpu->arch.pat = data;
-			svm_set_guest_pat(svm, &svm->vmcb->save.g_pat);
-			mark_dirty(svm->vmcb, VMCB_NPT);
-			break;
-		}
-		/* fall through */
 	default:
 		return kvm_set_msr_common(vcpu, msr);
 	}
@@ -4193,6 +4091,11 @@
 	return true;
 }
 
+static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
+{
+	return 0;
+}
+
 static void svm_cpuid_update(struct kvm_vcpu *vcpu)
 {
 }
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d019868..06ef490 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6064,6 +6064,8 @@
 	memcpy(vmx_msr_bitmap_longmode_x2apic,
 			vmx_msr_bitmap_longmode, PAGE_SIZE);
 
+	set_bit(0, vmx_vpid_bitmap); /* 0 is reserved for host */
+
 	if (enable_apicv) {
 		for (msr = 0x800; msr <= 0x8ff; msr++)
 			vmx_disable_intercept_msr_read_x2apic(msr);
@@ -8615,17 +8617,22 @@
 	u64 ipat = 0;
 
 	/* For VT-d and EPT combination
-	 * 1. MMIO: guest may want to apply WC, trust it.
+	 * 1. MMIO: always map as UC
 	 * 2. EPT with VT-d:
 	 *   a. VT-d without snooping control feature: can't guarantee the
-	 *	result, try to trust guest.  So the same as item 1.
+	 *	result, try to trust guest.
 	 *   b. VT-d with snooping control feature: snooping control feature of
 	 *	VT-d engine can guarantee the cache correctness. Just set it
 	 *	to WB to keep consistent with host. So the same as item 3.
 	 * 3. EPT without VT-d: always map as WB and set IPAT=1 to keep
 	 *    consistent with host MTRR
 	 */
-	if (!is_mmio && !kvm_arch_has_noncoherent_dma(vcpu->kvm)) {
+	if (is_mmio) {
+		cache = MTRR_TYPE_UNCACHABLE;
+		goto exit;
+	}
+
+	if (!kvm_arch_has_noncoherent_dma(vcpu->kvm)) {
 		ipat = VMX_EPT_IPAT_BIT;
 		cache = MTRR_TYPE_WRBACK;
 		goto exit;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a60bdbc..92511d4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -149,6 +149,7 @@
 	{ "nmi_window", VCPU_STAT(nmi_window_exits) },
 	{ "halt_exits", VCPU_STAT(halt_exits) },
 	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll) },
+	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) },
 	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
 	{ "hypercalls", VCPU_STAT(hypercalls) },
 	{ "request_irq", VCPU_STAT(request_irq_exits) },
@@ -1707,8 +1708,6 @@
 		vcpu->pvclock_set_guest_stopped_request = false;
 	}
 
-	pvclock_flags |= PVCLOCK_COUNTS_FROM_ZERO;
-
 	/* If the host uses TSC clocksource, then it is stable */
 	if (use_master_clock)
 		pvclock_flags |= PVCLOCK_TSC_STABLE_BIT;
@@ -2006,8 +2005,6 @@
 					&vcpu->requests);
 
 			ka->boot_vcpu_runs_old_kvmclock = tmp;
-
-			ka->kvmclock_offset = -get_kernel_ns();
 		}
 
 		vcpu->arch.time = data;
@@ -2189,6 +2186,8 @@
 	case MSR_IA32_LASTINTFROMIP:
 	case MSR_IA32_LASTINTTOIP:
 	case MSR_K8_SYSCFG:
+	case MSR_K8_TSEG_ADDR:
+	case MSR_K8_TSEG_MASK:
 	case MSR_K7_HWCR:
 	case MSR_VM_HSAVE_PA:
 	case MSR_K8_INT_PENDING_MSG:
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 161804d..a0d09f6 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1015,7 +1015,7 @@
  * This is the Guest timer interrupt handler (hardware interrupt 0).  We just
  * call the clockevent infrastructure and it does whatever needs doing.
  */
-static void lguest_time_irq(unsigned int irq, struct irq_desc *desc)
+static void lguest_time_irq(struct irq_desc *desc)
 {
 	unsigned long flags;
 
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 30564e2..df48430 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1132,7 +1132,7 @@
 	 * has been zapped already via cleanup_highmem().
 	 */
 	all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
-	set_memory_nx(rodata_start, (all_end - rodata_start) >> PAGE_SHIFT);
+	set_memory_nx(text_end, (all_end - text_end) >> PAGE_SHIFT);
 
 	rodata_test();
 
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 66338a6..c2aea63 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -192,10 +192,11 @@
 
 	node_set(node, numa_nodes_parsed);
 
-	pr_info("SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]%s\n",
+	pr_info("SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]%s%s\n",
 		node, pxm,
 		(unsigned long long) start, (unsigned long long) end - 1,
-		hotpluggable ? " hotplug" : "");
+		hotpluggable ? " hotplug" : "",
+		ma->flags & ACPI_SRAT_MEM_NON_VOLATILE ? " non-volatile" : "");
 
 	/* Mark hotplug range in memblock. */
 	if (hotpluggable && memblock_mark_hotplug(start, ma->length))
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 09d3afc..dc78a4a 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -166,6 +166,7 @@
 {
 	struct pci_dev *dev;
 
+	pci_read_bridge_bases(b);
 	list_for_each_entry(dev, &b->devices, bus_list)
 		pcibios_fixup_device_resources(dev);
 }
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 1db84c0..6a28ded 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -705,6 +705,70 @@
 }
 
 /*
+ * Iterate the EFI memory map in reverse order because the regions
+ * will be mapped top-down. The end result is the same as if we had
+ * mapped things forward, but doesn't require us to change the
+ * existing implementation of efi_map_region().
+ */
+static inline void *efi_map_next_entry_reverse(void *entry)
+{
+	/* Initial call */
+	if (!entry)
+		return memmap.map_end - memmap.desc_size;
+
+	entry -= memmap.desc_size;
+	if (entry < memmap.map)
+		return NULL;
+
+	return entry;
+}
+
+/*
+ * efi_map_next_entry - Return the next EFI memory map descriptor
+ * @entry: Previous EFI memory map descriptor
+ *
+ * This is a helper function to iterate over the EFI memory map, which
+ * we do in different orders depending on the current configuration.
+ *
+ * To begin traversing the memory map @entry must be %NULL.
+ *
+ * Returns %NULL when we reach the end of the memory map.
+ */
+static void *efi_map_next_entry(void *entry)
+{
+	if (!efi_enabled(EFI_OLD_MEMMAP) && efi_enabled(EFI_64BIT)) {
+		/*
+		 * Starting in UEFI v2.5 the EFI_PROPERTIES_TABLE
+		 * config table feature requires us to map all entries
+		 * in the same order as they appear in the EFI memory
+		 * map. That is to say, entry N must have a lower
+		 * virtual address than entry N+1. This is because the
+		 * firmware toolchain leaves relative references in
+		 * the code/data sections, which are split and become
+		 * separate EFI memory regions. Mapping things
+		 * out-of-order leads to the firmware accessing
+		 * unmapped addresses.
+		 *
+		 * Since we need to map things this way whether or not
+		 * the kernel actually makes use of
+		 * EFI_PROPERTIES_TABLE, let's just switch to this
+		 * scheme by default for 64-bit.
+		 */
+		return efi_map_next_entry_reverse(entry);
+	}
+
+	/* Initial call */
+	if (!entry)
+		return memmap.map;
+
+	entry += memmap.desc_size;
+	if (entry >= memmap.map_end)
+		return NULL;
+
+	return entry;
+}
+
+/*
  * Map the efi memory ranges of the runtime services and update new_mmap with
  * virtual addresses.
  */
@@ -714,7 +778,8 @@
 	unsigned long left = 0;
 	efi_memory_desc_t *md;
 
-	for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+	p = NULL;
+	while ((p = efi_map_next_entry(p))) {
 		md = p;
 		if (!(md->attribute & EFI_MEMORY_RUNTIME)) {
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 30d12af..993b7a7 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -33,6 +33,10 @@
 #include <linux/memblock.h>
 #include <linux/edd.h>
 
+#ifdef CONFIG_KEXEC_CORE
+#include <linux/kexec.h>
+#endif
+
 #include <xen/xen.h>
 #include <xen/events.h>
 #include <xen/interface/xen.h>
@@ -1077,6 +1081,7 @@
 		/* Fast syscall setup is all done in hypercalls, so
 		   these are all ignored.  Stub them out here to stop
 		   Xen console noise. */
+		break;
 
 	default:
 		if (!pmu_msr_write(msr, low, high, &ret))
@@ -1807,6 +1812,21 @@
 	.notifier_call	= xen_hvm_cpu_notify,
 };
 
+#ifdef CONFIG_KEXEC_CORE
+static void xen_hvm_shutdown(void)
+{
+	native_machine_shutdown();
+	if (kexec_in_progress)
+		xen_reboot(SHUTDOWN_soft_reset);
+}
+
+static void xen_hvm_crash_shutdown(struct pt_regs *regs)
+{
+	native_machine_crash_shutdown(regs);
+	xen_reboot(SHUTDOWN_soft_reset);
+}
+#endif
+
 static void __init xen_hvm_guest_init(void)
 {
 	if (xen_pv_domain())
@@ -1826,6 +1846,10 @@
 	x86_init.irqs.intr_init = xen_init_IRQ;
 	xen_hvm_init_time_ops();
 	xen_hvm_init_mmu_ops();
+#ifdef CONFIG_KEXEC_CORE
+	machine_ops.shutdown = xen_hvm_shutdown;
+	machine_ops.crash_shutdown = xen_hvm_crash_shutdown;
+#endif
 }
 #endif
 
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index bfc08b1..660b3cf 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -112,6 +112,15 @@
 static pte_t *p2m_missing_pte;
 static pte_t *p2m_identity_pte;
 
+/*
+ * Hint at last populated PFN.
+ *
+ * Used to set HYPERVISOR_shared_info->arch.max_pfn so the toolstack
+ * can avoid scanning the whole P2M (which may be sized to account for
+ * hotplugged memory).
+ */
+static unsigned long xen_p2m_last_pfn;
+
 static inline unsigned p2m_top_index(unsigned long pfn)
 {
 	BUG_ON(pfn >= MAX_P2M_PFN);
@@ -270,7 +279,7 @@
 	else
 		HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
 			virt_to_mfn(p2m_top_mfn);
-	HYPERVISOR_shared_info->arch.max_pfn = xen_max_p2m_pfn;
+	HYPERVISOR_shared_info->arch.max_pfn = xen_p2m_last_pfn;
 	HYPERVISOR_shared_info->arch.p2m_generation = 0;
 	HYPERVISOR_shared_info->arch.p2m_vaddr = (unsigned long)xen_p2m_addr;
 	HYPERVISOR_shared_info->arch.p2m_cr3 =
@@ -406,6 +415,8 @@
 	static struct vm_struct vm;
 	unsigned long p2m_limit;
 
+	xen_p2m_last_pfn = xen_max_p2m_pfn;
+
 	p2m_limit = (phys_addr_t)P2M_LIMIT * 1024 * 1024 * 1024 / PAGE_SIZE;
 	vm.flags = VM_ALLOC;
 	vm.size = ALIGN(sizeof(unsigned long) * max(xen_max_p2m_pfn, p2m_limit),
@@ -608,6 +619,12 @@
 			free_p2m_page(p2m);
 	}
 
+	/* Expanded the p2m? */
+	if (pfn > xen_p2m_last_pfn) {
+		xen_p2m_last_pfn = pfn;
+		HYPERVISOR_shared_info->arch.max_pfn = xen_p2m_last_pfn;
+	}
+
 	return true;
 }
 
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index f5ef674..1c30e4a 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -548,7 +548,7 @@
 {
 	unsigned long max_pages, limit;
 	domid_t domid = DOMID_SELF;
-	int ret;
+	long ret;
 
 	limit = xen_get_pages_limit();
 	max_pages = limit;
@@ -798,7 +798,7 @@
 		xen_ignore_unusable();
 
 	/* Make sure the Xen-supplied memory map is well-ordered. */
-	sanitize_e820_map(xen_e820_map, xen_e820_map_entries,
+	sanitize_e820_map(xen_e820_map, ARRAY_SIZE(xen_e820_map),
 			  &xen_e820_map_entries);
 
 	max_pages = xen_get_max_pages();
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index 63c223d..b56855a 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -28,4 +28,5 @@
 generic-y += termios.h
 generic-y += topology.h
 generic-y += trace_clock.h
+generic-y += word-at-a-time.h
 generic-y += xor.h
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index d27b4dc..b848cc3 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -210,6 +210,10 @@
 
 void pcibios_fixup_bus(struct pci_bus *bus)
 {
+	if (bus->parent) {
+		/* This is a subordinate bridge */
+		pci_read_bridge_bases(bus);
+	}
 }
 
 void pcibios_set_master(struct pci_dev *dev)
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 4aecca7..14b8faf 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -140,6 +140,11 @@
 
 	iv = bip->bip_vec + bip->bip_vcnt;
 
+	if (bip->bip_vcnt &&
+	    bvec_gap_to_prev(bdev_get_queue(bio->bi_bdev),
+			     &bip->bip_vec[bip->bip_vcnt - 1], offset))
+		return 0;
+
 	iv->bv_page = page;
 	iv->bv_len = len;
 	iv->bv_offset = offset;
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index ac8370c..55512dd 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -370,6 +370,9 @@
 		blkg_destroy(blkg);
 		spin_unlock(&blkcg->lock);
 	}
+
+	q->root_blkg = NULL;
+	q->root_rl.blkg = NULL;
 }
 
 /*
diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index f548b64..75f29cf 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -204,6 +204,9 @@
 	    q->limits.max_integrity_segments)
 		return false;
 
+	if (integrity_req_gap_back_merge(req, next->bio))
+		return false;
+
 	return true;
 }
 EXPORT_SYMBOL(blk_integrity_merge_rq);
diff --git a/block/blk-map.c b/block/blk-map.c
index 2338416..f565e11 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -9,6 +9,24 @@
 
 #include "blk.h"
 
+static bool iovec_gap_to_prv(struct request_queue *q,
+			     struct iovec *prv, struct iovec *cur)
+{
+	unsigned long prev_end;
+
+	if (!queue_virt_boundary(q))
+		return false;
+
+	if (prv->iov_base == NULL && prv->iov_len == 0)
+		/* prv is not set - don't check */
+		return false;
+
+	prev_end = (unsigned long)(prv->iov_base + prv->iov_len);
+
+	return (((unsigned long)cur->iov_base & queue_virt_boundary(q)) ||
+		prev_end & queue_virt_boundary(q));
+}
+
 int blk_rq_append_bio(struct request_queue *q, struct request *rq,
 		      struct bio *bio)
 {
@@ -67,7 +85,7 @@
 	struct bio *bio;
 	int unaligned = 0;
 	struct iov_iter i;
-	struct iovec iov;
+	struct iovec iov, prv = {.iov_base = NULL, .iov_len = 0};
 
 	if (!iter || !iter->count)
 		return -EINVAL;
@@ -81,8 +99,12 @@
 		/*
 		 * Keep going so we check length of all segments
 		 */
-		if (uaddr & queue_dma_alignment(q))
+		if ((uaddr & queue_dma_alignment(q)) ||
+		    iovec_gap_to_prv(q, &prv, &iov))
 			unaligned = 1;
+
+		prv.iov_base = iov.iov_base;
+		prv.iov_len = iov.iov_len;
 	}
 
 	if (unaligned || (q->dma_pad_mask & iter->count) || map_data)
diff --git a/block/blk-merge.c b/block/blk-merge.c
index d088cff..c4e9c37 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -66,36 +66,33 @@
 					 struct bio *bio,
 					 struct bio_set *bs)
 {
-	struct bio *split;
-	struct bio_vec bv, bvprv;
+	struct bio_vec bv, bvprv, *bvprvp = NULL;
 	struct bvec_iter iter;
 	unsigned seg_size = 0, nsegs = 0, sectors = 0;
-	int prev = 0;
 
 	bio_for_each_segment(bv, bio, iter) {
-		sectors += bv.bv_len >> 9;
-
-		if (sectors > queue_max_sectors(q))
+		if (sectors + (bv.bv_len >> 9) > queue_max_sectors(q))
 			goto split;
 
 		/*
 		 * If the queue doesn't support SG gaps and adding this
 		 * offset would create a gap, disallow it.
 		 */
-		if (prev && bvec_gap_to_prev(q, &bvprv, bv.bv_offset))
+		if (bvprvp && bvec_gap_to_prev(q, bvprvp, bv.bv_offset))
 			goto split;
 
-		if (prev && blk_queue_cluster(q)) {
+		if (bvprvp && blk_queue_cluster(q)) {
 			if (seg_size + bv.bv_len > queue_max_segment_size(q))
 				goto new_segment;
-			if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
+			if (!BIOVEC_PHYS_MERGEABLE(bvprvp, &bv))
 				goto new_segment;
-			if (!BIOVEC_SEG_BOUNDARY(q, &bvprv, &bv))
+			if (!BIOVEC_SEG_BOUNDARY(q, bvprvp, &bv))
 				goto new_segment;
 
 			seg_size += bv.bv_len;
 			bvprv = bv;
-			prev = 1;
+			bvprvp = &bv;
+			sectors += bv.bv_len >> 9;
 			continue;
 		}
 new_segment:
@@ -104,23 +101,14 @@
 
 		nsegs++;
 		bvprv = bv;
-		prev = 1;
+		bvprvp = &bv;
 		seg_size = bv.bv_len;
+		sectors += bv.bv_len >> 9;
 	}
 
 	return NULL;
 split:
-	split = bio_clone_bioset(bio, GFP_NOIO, bs);
-
-	split->bi_iter.bi_size -= iter.bi_size;
-	bio->bi_iter = iter;
-
-	if (bio_integrity(bio)) {
-		bio_integrity_advance(bio, split->bi_iter.bi_size);
-		bio_integrity_trim(split, 0, bio_sectors(split));
-	}
-
-	return split;
+	return bio_split(bio, sectors, GFP_NOIO, bs);
 }
 
 void blk_queue_split(struct request_queue *q, struct bio **bio,
@@ -439,6 +427,11 @@
 int ll_back_merge_fn(struct request_queue *q, struct request *req,
 		     struct bio *bio)
 {
+	if (req_gap_back_merge(req, bio))
+		return 0;
+	if (blk_integrity_rq(req) &&
+	    integrity_req_gap_back_merge(req, bio))
+		return 0;
 	if (blk_rq_sectors(req) + bio_sectors(bio) >
 	    blk_rq_get_max_sectors(req)) {
 		req->cmd_flags |= REQ_NOMERGE;
@@ -457,6 +450,12 @@
 int ll_front_merge_fn(struct request_queue *q, struct request *req,
 		      struct bio *bio)
 {
+
+	if (req_gap_front_merge(req, bio))
+		return 0;
+	if (blk_integrity_rq(req) &&
+	    integrity_req_gap_front_merge(req, bio))
+		return 0;
 	if (blk_rq_sectors(req) + bio_sectors(bio) >
 	    blk_rq_get_max_sectors(req)) {
 		req->cmd_flags |= REQ_NOMERGE;
@@ -483,14 +482,6 @@
 	return !q->mq_ops && req->special;
 }
 
-static int req_gap_to_prev(struct request *req, struct bio *next)
-{
-	struct bio *prev = req->biotail;
-
-	return bvec_gap_to_prev(req->q, &prev->bi_io_vec[prev->bi_vcnt - 1],
-			next->bi_io_vec[0].bv_offset);
-}
-
 static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
 				struct request *next)
 {
@@ -505,7 +496,7 @@
 	if (req_no_special_merge(req) || req_no_special_merge(next))
 		return 0;
 
-	if (req_gap_to_prev(req, next->bio))
+	if (req_gap_back_merge(req, next->bio))
 		return 0;
 
 	/*
@@ -713,10 +704,6 @@
 	    !blk_write_same_mergeable(rq->bio, bio))
 		return false;
 
-	/* Only check gaps if the bio carries data */
-	if (bio_has_data(bio) && req_gap_to_prev(rq, bio))
-		return false;
-
 	return true;
 }
 
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 1e28ddb..8764c24 100644
--- a/block/blk-mq-cpumap.c
+++ b/block/blk-mq-cpumap.c
@@ -31,7 +31,8 @@
 	return cpu;
 }
 
-int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues)
+int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues,
+			    const struct cpumask *online_mask)
 {
 	unsigned int i, nr_cpus, nr_uniq_cpus, queue, first_sibling;
 	cpumask_var_t cpus;
@@ -41,7 +42,7 @@
 
 	cpumask_clear(cpus);
 	nr_cpus = nr_uniq_cpus = 0;
-	for_each_online_cpu(i) {
+	for_each_cpu(i, online_mask) {
 		nr_cpus++;
 		first_sibling = get_first_sibling(i);
 		if (!cpumask_test_cpu(first_sibling, cpus))
@@ -51,7 +52,7 @@
 
 	queue = 0;
 	for_each_possible_cpu(i) {
-		if (!cpu_online(i)) {
+		if (!cpumask_test_cpu(i, online_mask)) {
 			map[i] = 0;
 			continue;
 		}
@@ -95,7 +96,7 @@
 	if (!map)
 		return NULL;
 
-	if (!blk_mq_update_queue_map(map, set->nr_hw_queues))
+	if (!blk_mq_update_queue_map(map, set->nr_hw_queues, cpu_online_mask))
 		return map;
 
 	kfree(map);
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 279c5d6..788fffd 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -229,8 +229,6 @@
 	unsigned int i, first = 1;
 	ssize_t ret = 0;
 
-	blk_mq_disable_hotplug();
-
 	for_each_cpu(i, hctx->cpumask) {
 		if (first)
 			ret += sprintf(ret + page, "%u", i);
@@ -240,8 +238,6 @@
 		first = 0;
 	}
 
-	blk_mq_enable_hotplug();
-
 	ret += sprintf(ret + page, "\n");
 	return ret;
 }
@@ -343,7 +339,7 @@
 	struct blk_mq_ctx *ctx;
 	int i;
 
-	if (!hctx->nr_ctx || !(hctx->flags & BLK_MQ_F_SYSFS_UP))
+	if (!hctx->nr_ctx)
 		return;
 
 	hctx_for_each_ctx(hctx, ctx, i)
@@ -358,7 +354,7 @@
 	struct blk_mq_ctx *ctx;
 	int i, ret;
 
-	if (!hctx->nr_ctx || !(hctx->flags & BLK_MQ_F_SYSFS_UP))
+	if (!hctx->nr_ctx)
 		return 0;
 
 	ret = kobject_add(&hctx->kobj, &q->mq_kobj, "%u", hctx->queue_num);
@@ -381,6 +377,8 @@
 	struct blk_mq_ctx *ctx;
 	int i, j;
 
+	blk_mq_disable_hotplug();
+
 	queue_for_each_hw_ctx(q, hctx, i) {
 		blk_mq_unregister_hctx(hctx);
 
@@ -395,6 +393,9 @@
 	kobject_put(&q->mq_kobj);
 
 	kobject_put(&disk_to_dev(disk)->kobj);
+
+	q->mq_sysfs_init_done = false;
+	blk_mq_enable_hotplug();
 }
 
 static void blk_mq_sysfs_init(struct request_queue *q)
@@ -425,27 +426,30 @@
 	struct blk_mq_hw_ctx *hctx;
 	int ret, i;
 
+	blk_mq_disable_hotplug();
+
 	blk_mq_sysfs_init(q);
 
 	ret = kobject_add(&q->mq_kobj, kobject_get(&dev->kobj), "%s", "mq");
 	if (ret < 0)
-		return ret;
+		goto out;
 
 	kobject_uevent(&q->mq_kobj, KOBJ_ADD);
 
 	queue_for_each_hw_ctx(q, hctx, i) {
-		hctx->flags |= BLK_MQ_F_SYSFS_UP;
 		ret = blk_mq_register_hctx(hctx);
 		if (ret)
 			break;
 	}
 
-	if (ret) {
+	if (ret)
 		blk_mq_unregister_disk(disk);
-		return ret;
-	}
+	else
+		q->mq_sysfs_init_done = true;
+out:
+	blk_mq_enable_hotplug();
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(blk_mq_register_disk);
 
@@ -454,6 +458,9 @@
 	struct blk_mq_hw_ctx *hctx;
 	int i;
 
+	if (!q->mq_sysfs_init_done)
+		return;
+
 	queue_for_each_hw_ctx(q, hctx, i)
 		blk_mq_unregister_hctx(hctx);
 }
@@ -463,6 +470,9 @@
 	struct blk_mq_hw_ctx *hctx;
 	int i, ret = 0;
 
+	if (!q->mq_sysfs_init_done)
+		return ret;
+
 	queue_for_each_hw_ctx(q, hctx, i) {
 		ret = blk_mq_register_hctx(hctx);
 		if (ret)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 9115c6d..ed96474 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -471,17 +471,30 @@
 }
 EXPORT_SYMBOL(blk_mq_all_tag_busy_iter);
 
-void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
+void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
 		void *priv)
 {
-	struct blk_mq_tags *tags = hctx->tags;
+	struct blk_mq_hw_ctx *hctx;
+	int i;
 
-	if (tags->nr_reserved_tags)
-		bt_for_each(hctx, &tags->breserved_tags, 0, fn, priv, true);
-	bt_for_each(hctx, &tags->bitmap_tags, tags->nr_reserved_tags, fn, priv,
-			false);
+
+	queue_for_each_hw_ctx(q, hctx, i) {
+		struct blk_mq_tags *tags = hctx->tags;
+
+		/*
+		 * If not software queues are currently mapped to this
+		 * hardware queue, there's nothing to check
+		 */
+		if (!blk_mq_hw_queue_mapped(hctx))
+			continue;
+
+		if (tags->nr_reserved_tags)
+			bt_for_each(hctx, &tags->breserved_tags, 0, fn, priv, true);
+		bt_for_each(hctx, &tags->bitmap_tags, tags->nr_reserved_tags, fn, priv,
+		      false);
+	}
+
 }
-EXPORT_SYMBOL(blk_mq_tag_busy_iter);
 
 static unsigned int bt_unused_tags(struct blk_mq_bitmap_tags *bt)
 {
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index 9eb2cf4..d468a79 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -58,6 +58,8 @@
 extern void blk_mq_tag_init_last_tag(struct blk_mq_tags *tags, unsigned int *last_tag);
 extern int blk_mq_tag_update_depth(struct blk_mq_tags *tags, unsigned int depth);
 extern void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool);
+void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
+		void *priv);
 
 enum {
 	BLK_MQ_TAG_CACHE_MIN	= 1,
diff --git a/block/blk-mq.c b/block/blk-mq.c
index f2d67b4..7785ae9 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -393,14 +393,16 @@
  *	Ends all I/O on a request. It does not handle partial completions.
  *	The actual completion happens out-of-order, through a IPI handler.
  **/
-void blk_mq_complete_request(struct request *rq)
+void blk_mq_complete_request(struct request *rq, int error)
 {
 	struct request_queue *q = rq->q;
 
 	if (unlikely(blk_should_fake_timeout(q)))
 		return;
-	if (!blk_mark_rq_complete(rq))
+	if (!blk_mark_rq_complete(rq)) {
+		rq->errors = error;
 		__blk_mq_complete_request(rq);
+	}
 }
 EXPORT_SYMBOL(blk_mq_complete_request);
 
@@ -616,10 +618,8 @@
 		 * If a request wasn't started before the queue was
 		 * marked dying, kill it here or it'll go unnoticed.
 		 */
-		if (unlikely(blk_queue_dying(rq->q))) {
-			rq->errors = -EIO;
-			blk_mq_complete_request(rq);
-		}
+		if (unlikely(blk_queue_dying(rq->q)))
+			blk_mq_complete_request(rq, -EIO);
 		return;
 	}
 	if (rq->cmd_flags & REQ_NO_TIMEOUT)
@@ -641,24 +641,16 @@
 		.next		= 0,
 		.next_set	= 0,
 	};
-	struct blk_mq_hw_ctx *hctx;
 	int i;
 
-	queue_for_each_hw_ctx(q, hctx, i) {
-		/*
-		 * If not software queues are currently mapped to this
-		 * hardware queue, there's nothing to check
-		 */
-		if (!blk_mq_hw_queue_mapped(hctx))
-			continue;
-
-		blk_mq_tag_busy_iter(hctx, blk_mq_check_expired, &data);
-	}
+	blk_mq_queue_tag_busy_iter(q, blk_mq_check_expired, &data);
 
 	if (data.next_set) {
 		data.next = blk_rq_timeout(round_jiffies_up(data.next));
 		mod_timer(&q->timeout, data.next);
 	} else {
+		struct blk_mq_hw_ctx *hctx;
+
 		queue_for_each_hw_ctx(q, hctx, i) {
 			/* the hctx may be unmapped, so check it here */
 			if (blk_mq_hw_queue_mapped(hctx))
@@ -1789,13 +1781,19 @@
 	}
 }
 
-static void blk_mq_map_swqueue(struct request_queue *q)
+static void blk_mq_map_swqueue(struct request_queue *q,
+			       const struct cpumask *online_mask)
 {
 	unsigned int i;
 	struct blk_mq_hw_ctx *hctx;
 	struct blk_mq_ctx *ctx;
 	struct blk_mq_tag_set *set = q->tag_set;
 
+	/*
+	 * Avoid others reading imcomplete hctx->cpumask through sysfs
+	 */
+	mutex_lock(&q->sysfs_lock);
+
 	queue_for_each_hw_ctx(q, hctx, i) {
 		cpumask_clear(hctx->cpumask);
 		hctx->nr_ctx = 0;
@@ -1806,16 +1804,17 @@
 	 */
 	queue_for_each_ctx(q, ctx, i) {
 		/* If the cpu isn't online, the cpu is mapped to first hctx */
-		if (!cpu_online(i))
+		if (!cpumask_test_cpu(i, online_mask))
 			continue;
 
 		hctx = q->mq_ops->map_queue(q, i);
 		cpumask_set_cpu(i, hctx->cpumask);
-		cpumask_set_cpu(i, hctx->tags->cpumask);
 		ctx->index_hw = hctx->nr_ctx;
 		hctx->ctxs[hctx->nr_ctx++] = ctx;
 	}
 
+	mutex_unlock(&q->sysfs_lock);
+
 	queue_for_each_hw_ctx(q, hctx, i) {
 		struct blk_mq_ctxmap *map = &hctx->ctx_map;
 
@@ -1851,6 +1850,14 @@
 		hctx->next_cpu = cpumask_first(hctx->cpumask);
 		hctx->next_cpu_batch = BLK_MQ_CPU_WORK_BATCH;
 	}
+
+	queue_for_each_ctx(q, ctx, i) {
+		if (!cpumask_test_cpu(i, online_mask))
+			continue;
+
+		hctx = q->mq_ops->map_queue(q, i);
+		cpumask_set_cpu(i, hctx->tags->cpumask);
+	}
 }
 
 static void blk_mq_update_tag_set_depth(struct blk_mq_tag_set *set)
@@ -1918,6 +1925,9 @@
 		kfree(hctx);
 	}
 
+	kfree(q->mq_map);
+	q->mq_map = NULL;
+
 	kfree(q->queue_hw_ctx);
 
 	/* ctx kobj stays in queue_ctx */
@@ -2027,13 +2037,15 @@
 	if (blk_mq_init_hw_queues(q, set))
 		goto err_hctxs;
 
+	get_online_cpus();
 	mutex_lock(&all_q_mutex);
+
 	list_add_tail(&q->all_q_node, &all_q_list);
-	mutex_unlock(&all_q_mutex);
-
 	blk_mq_add_queue_tag_set(set, q);
+	blk_mq_map_swqueue(q, cpu_online_mask);
 
-	blk_mq_map_swqueue(q);
+	mutex_unlock(&all_q_mutex);
+	put_online_cpus();
 
 	return q;
 
@@ -2057,30 +2069,27 @@
 {
 	struct blk_mq_tag_set	*set = q->tag_set;
 
+	mutex_lock(&all_q_mutex);
+	list_del_init(&q->all_q_node);
+	mutex_unlock(&all_q_mutex);
+
 	blk_mq_del_queue_tag_set(q);
 
 	blk_mq_exit_hw_queues(q, set, set->nr_hw_queues);
 	blk_mq_free_hw_queues(q, set);
 
 	percpu_ref_exit(&q->mq_usage_counter);
-
-	kfree(q->mq_map);
-
-	q->mq_map = NULL;
-
-	mutex_lock(&all_q_mutex);
-	list_del_init(&q->all_q_node);
-	mutex_unlock(&all_q_mutex);
 }
 
 /* Basically redo blk_mq_init_queue with queue frozen */
-static void blk_mq_queue_reinit(struct request_queue *q)
+static void blk_mq_queue_reinit(struct request_queue *q,
+				const struct cpumask *online_mask)
 {
 	WARN_ON_ONCE(!atomic_read(&q->mq_freeze_depth));
 
 	blk_mq_sysfs_unregister(q);
 
-	blk_mq_update_queue_map(q->mq_map, q->nr_hw_queues);
+	blk_mq_update_queue_map(q->mq_map, q->nr_hw_queues, online_mask);
 
 	/*
 	 * redo blk_mq_init_cpu_queues and blk_mq_init_hw_queues. FIXME: maybe
@@ -2088,7 +2097,7 @@
 	 * involves free and re-allocate memory, worthy doing?)
 	 */
 
-	blk_mq_map_swqueue(q);
+	blk_mq_map_swqueue(q, online_mask);
 
 	blk_mq_sysfs_register(q);
 }
@@ -2097,16 +2106,43 @@
 				      unsigned long action, void *hcpu)
 {
 	struct request_queue *q;
+	int cpu = (unsigned long)hcpu;
+	/*
+	 * New online cpumask which is going to be set in this hotplug event.
+	 * Declare this cpumasks as global as cpu-hotplug operation is invoked
+	 * one-by-one and dynamically allocating this could result in a failure.
+	 */
+	static struct cpumask online_new;
 
 	/*
-	 * Before new mappings are established, hotadded cpu might already
-	 * start handling requests. This doesn't break anything as we map
-	 * offline CPUs to first hardware queue. We will re-init the queue
-	 * below to get optimal settings.
+	 * Before hotadded cpu starts handling requests, new mappings must
+	 * be established.  Otherwise, these requests in hw queue might
+	 * never be dispatched.
+	 *
+	 * For example, there is a single hw queue (hctx) and two CPU queues
+	 * (ctx0 for CPU0, and ctx1 for CPU1).
+	 *
+	 * Now CPU1 is just onlined and a request is inserted into
+	 * ctx1->rq_list and set bit0 in pending bitmap as ctx1->index_hw is
+	 * still zero.
+	 *
+	 * And then while running hw queue, flush_busy_ctxs() finds bit0 is
+	 * set in pending bitmap and tries to retrieve requests in
+	 * hctx->ctxs[0]->rq_list.  But htx->ctxs[0] is a pointer to ctx0,
+	 * so the request in ctx1->rq_list is ignored.
 	 */
-	if (action != CPU_DEAD && action != CPU_DEAD_FROZEN &&
-	    action != CPU_ONLINE && action != CPU_ONLINE_FROZEN)
+	switch (action & ~CPU_TASKS_FROZEN) {
+	case CPU_DEAD:
+	case CPU_UP_CANCELED:
+		cpumask_copy(&online_new, cpu_online_mask);
+		break;
+	case CPU_UP_PREPARE:
+		cpumask_copy(&online_new, cpu_online_mask);
+		cpumask_set_cpu(cpu, &online_new);
+		break;
+	default:
 		return NOTIFY_OK;
+	}
 
 	mutex_lock(&all_q_mutex);
 
@@ -2130,7 +2166,7 @@
 	}
 
 	list_for_each_entry(q, &all_q_list, all_q_node)
-		blk_mq_queue_reinit(q);
+		blk_mq_queue_reinit(q, &online_new);
 
 	list_for_each_entry(q, &all_q_list, all_q_node)
 		blk_mq_unfreeze_queue(q);
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 6a48c4c..f4fea79 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -51,7 +51,8 @@
  * CPU -> queue mappings
  */
 extern unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set);
-extern int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues);
+extern int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues,
+				   const struct cpumask *online_mask);
 extern int blk_mq_hw_queue_to_node(unsigned int *map, unsigned int);
 
 /*
diff --git a/block/bounce.c b/block/bounce.c
index 0611aea..1cb5dd3 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -128,12 +128,14 @@
 	struct bio *bio_orig = bio->bi_private;
 	struct bio_vec *bvec, *org_vec;
 	int i;
+	int start = bio_orig->bi_iter.bi_idx;
 
 	/*
 	 * free up bounce indirect pages used
 	 */
 	bio_for_each_segment_all(bvec, bio, i) {
-		org_vec = bio_orig->bi_io_vec + i;
+		org_vec = bio_orig->bi_io_vec + i + start;
+
 		if (bvec->bv_page == org_vec->bv_page)
 			continue;
 
diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c
index 6d88dd1..1970966 100644
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -332,10 +332,6 @@
 		srlen = cert->raw_serial_size;
 		q = cert->raw_serial;
 	}
-	if (srlen > 1 && *q == 0) {
-		srlen--;
-		q++;
-	}
 
 	ret = -ENOMEM;
 	desc = kmalloc(sulen + 2 + srlen * 2 + 1, GFP_KERNEL);
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 35c2de1..fa18753 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -940,6 +940,7 @@
 	char *xbuf[XBUFSIZE];
 	char *xoutbuf[XBUFSIZE];
 	int ret = -ENOMEM;
+	unsigned int ivsize = crypto_skcipher_ivsize(tfm);
 
 	if (testmgr_alloc_buf(xbuf))
 		goto out_nobuf;
@@ -975,7 +976,7 @@
 			continue;
 
 		if (template[i].iv)
-			memcpy(iv, template[i].iv, MAX_IVLEN);
+			memcpy(iv, template[i].iv, ivsize);
 		else
 			memset(iv, 0, MAX_IVLEN);
 
@@ -1051,7 +1052,7 @@
 			continue;
 
 		if (template[i].iv)
-			memcpy(iv, template[i].iv, MAX_IVLEN);
+			memcpy(iv, template[i].iv, ivsize);
 		else
 			memset(iv, 0, MAX_IVLEN);
 
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 46506e7..a212cef 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -315,14 +315,10 @@
 
 	capbuf[OSC_QUERY_DWORD] = OSC_QUERY_ENABLE;
 	capbuf[OSC_SUPPORT_DWORD] = OSC_SB_PR3_SUPPORT; /* _PR3 is in use */
-#if defined(CONFIG_ACPI_PROCESSOR_AGGREGATOR) ||\
-			defined(CONFIG_ACPI_PROCESSOR_AGGREGATOR_MODULE)
-	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PAD_SUPPORT;
-#endif
-
-#if defined(CONFIG_ACPI_PROCESSOR) || defined(CONFIG_ACPI_PROCESSOR_MODULE)
-	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PPC_OST_SUPPORT;
-#endif
+	if (IS_ENABLED(CONFIG_ACPI_PROCESSOR_AGGREGATOR))
+		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PAD_SUPPORT;
+	if (IS_ENABLED(CONFIG_ACPI_PROCESSOR))
+		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PPC_OST_SUPPORT;
 
 	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT;
 
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 2614a83..42c66b6 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1044,8 +1044,10 @@
 		goto err_exit;
 
 	mutex_lock(&ec->mutex);
+	result = -ENODATA;
 	list_for_each_entry(handler, &ec->list, node) {
 		if (value == handler->query_bit) {
+			result = 0;
 			q->handler = acpi_ec_get_query_handler(handler);
 			ec_dbg_evt("Query(0x%02x) scheduled",
 				   q->handler->query_bit);
diff --git a/drivers/acpi/int340x_thermal.c b/drivers/acpi/int340x_thermal.c
index 9dcf836..33505c6 100644
--- a/drivers/acpi/int340x_thermal.c
+++ b/drivers/acpi/int340x_thermal.c
@@ -33,13 +33,12 @@
 static int int340x_thermal_handler_attach(struct acpi_device *adev,
 					const struct acpi_device_id *id)
 {
-#if defined(CONFIG_INT340X_THERMAL) || defined(CONFIG_INT340X_THERMAL_MODULE)
-	acpi_create_platform_device(adev);
-#elif defined(INTEL_SOC_DTS_THERMAL) || defined(INTEL_SOC_DTS_THERMAL_MODULE)
-	/* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
-	if (id->driver_data == INT3401_DEVICE)
+	if (IS_ENABLED(CONFIG_INT340X_THERMAL))
 		acpi_create_platform_device(adev);
-#endif
+	/* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
+	else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
+		 id->driver_data == INT3401_DEVICE)
+		acpi_create_platform_device(adev);
 	return 1;
 }
 
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 6da0f9b..c933675 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -372,6 +372,7 @@
 
 	/* Interrupt Line values above 0xF are forbidden */
 	if (dev->irq > 0 && (dev->irq <= 0xF) &&
+	    acpi_isa_irq_available(dev->irq) &&
 	    (acpi_isa_irq_to_gsi(dev->irq, &dev_gsi) == 0)) {
 		dev_warn(&dev->dev, "PCI INT %c: no GSI - using ISA IRQ %d\n",
 			 pin_name(dev->pin), dev->irq);
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 3b4ea98..7c8408b 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -498,8 +498,7 @@
 			    PIRQ_PENALTY_PCI_POSSIBLE;
 		}
 	}
-	/* Add a penalty for the SCI */
-	acpi_irq_penalty[acpi_gbl_FADT.sci_interrupt] += PIRQ_PENALTY_PCI_USING;
+
 	return 0;
 }
 
@@ -553,6 +552,13 @@
 				irq = link->irq.possible[i];
 		}
 	}
+	if (acpi_irq_penalty[irq] >= PIRQ_PENALTY_ISA_ALWAYS) {
+		printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. "
+			    "Try pci=noacpi or acpi=off\n",
+			    acpi_device_name(link->device),
+			    acpi_device_bid(link->device));
+		return -ENODEV;
+	}
 
 	/* Attempt to enable the link device at this IRQ. */
 	if (acpi_pci_link_set(link, irq)) {
@@ -821,6 +827,12 @@
 	}
 }
 
+bool acpi_isa_irq_available(int irq)
+{
+	return irq >= 0 && (irq >= ARRAY_SIZE(acpi_irq_penalty) ||
+			    acpi_irq_penalty[irq] < PIRQ_PENALTY_ISA_ALWAYS);
+}
+
 /*
  * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict with
  * PCI IRQ attributes, mark ACPI SCI as ISA_ALWAYS so it won't be use for
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index a8da3a5..0f5cb37 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1578,9 +1578,7 @@
 
 	kfree(he_dev->rbpl_virt);
 	kfree(he_dev->rbpl_table);
-
-	if (he_dev->rbpl_pool)
-		dma_pool_destroy(he_dev->rbpl_pool);
+	dma_pool_destroy(he_dev->rbpl_pool);
 
 	if (he_dev->rbrq_base)
 		dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq),
@@ -1594,8 +1592,7 @@
 		dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq),
 				  he_dev->tpdrq_base, he_dev->tpdrq_phys);
 
-	if (he_dev->tpd_pool)
-		dma_pool_destroy(he_dev->tpd_pool);
+	dma_pool_destroy(he_dev->tpd_pool);
 
 	if (he_dev->pci_dev) {
 		pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command);
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 74e18b0..3d7fb65 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -805,7 +805,12 @@
 					continue;
 				}
 
-				skb = alloc_skb(size + 1, GFP_ATOMIC);
+				/* Use netdev_alloc_skb() because it adds NET_SKB_PAD of
+				 * headroom, and ensures we can route packets back out an
+				 * Ethernet interface (for example) without having to
+				 * reallocate. Adding NET_IP_ALIGN also ensures that both
+				 * PPPoATM and PPPoEoBR2684 packets end up aligned. */
+				skb = netdev_alloc_skb_ip_align(NULL, size + 1);
 				if (!skb) {
 					if (net_ratelimit())
 						dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n");
@@ -869,7 +874,10 @@
 		/* Allocate RX skbs for any ports which need them */
 		if (card->using_dma && card->atmdev[port] &&
 		    !card->rx_skb[port]) {
-			struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC);
+			/* Unlike the MMIO case (qv) we can't add NET_IP_ALIGN
+			 * here; the FPGA can only DMA to addresses which are
+			 * aligned to 4 bytes. */
+			struct sk_buff *skb = dev_alloc_skb(RX_DMA_SIZE);
 			if (skb) {
 				SKB_CB(skb)->dma_addr =
 					dma_map_single(&card->dev->dev, skb->data,
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 764280a..e9fd32e 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -148,7 +148,11 @@
 
 			if (sibling == cpu) /* skip itself */
 				continue;
+
 			sib_cpu_ci = get_cpu_cacheinfo(sibling);
+			if (!sib_cpu_ci->info_list)
+				continue;
+
 			sib_leaf = sib_cpu_ci->info_list + index;
 			cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map);
 			cpumask_clear_cpu(sibling, &this_leaf->shared_cpu_map);
@@ -159,6 +163,9 @@
 
 static void free_cache_attributes(unsigned int cpu)
 {
+	if (!per_cpu_cacheinfo(cpu))
+		return;
+
 	cache_shared_cpu_map_remove(cpu);
 
 	kfree(per_cpu_cacheinfo(cpu));
@@ -514,8 +521,7 @@
 		break;
 	case CPU_DEAD:
 		cache_remove_dev(cpu);
-		if (per_cpu_cacheinfo(cpu))
-			free_cache_attributes(cpu);
+		free_cache_attributes(cpu);
 		break;
 	}
 	return notifier_from_errno(rc);
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 1857a5d..134483d 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -63,20 +63,8 @@
 			     unsigned int virq, irq_hw_number_t hwirq,
 			     msi_alloc_info_t *arg)
 {
-	struct irq_data *data;
-
-	irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
-				      info->chip, info->chip_data);
-
-	/*
-	 * Save the MSI descriptor in handler_data so that the
-	 * irq_write_msi_msg callback can retrieve it (and the
-	 * associated device).
-	 */
-	data = irq_domain_get_irq_data(domain, virq);
-	data->handler_data = arg->desc;
-
-	return 0;
+	return irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
+					     info->chip, info->chip_data);
 }
 #else
 #define platform_msi_set_desc		NULL
@@ -97,7 +85,7 @@
 
 static void platform_msi_write_msg(struct irq_data *data, struct msi_msg *msg)
 {
-	struct msi_desc *desc = irq_data_get_irq_handler_data(data);
+	struct msi_desc *desc = irq_data_get_msi_desc(data);
 	struct platform_msi_priv_data *priv_data;
 
 	priv_data = desc->platform.msi_priv_data;
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 28cd75c..7ae7cd9 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -892,10 +892,17 @@
 	u32 microvolt[3] = {0};
 	int count, ret;
 
-	count = of_property_count_u32_elems(opp->np, "opp-microvolt");
-	if (!count)
+	/* Missing property isn't a problem, but an invalid entry is */
+	if (!of_find_property(opp->np, "opp-microvolt", NULL))
 		return 0;
 
+	count = of_property_count_u32_elems(opp->np, "opp-microvolt");
+	if (count < 0) {
+		dev_err(dev, "%s: Invalid opp-microvolt property (%d)\n",
+			__func__, count);
+		return count;
+	}
+
 	/* There can be one or three elements here */
 	if (count != 1 && count != 3) {
 		dev_err(dev, "%s: Invalid number of elements in opp-microvolt property (%d)\n",
@@ -1063,7 +1070,7 @@
  * share a common logic which is isolated here.
  *
  * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
- * copy operation, returns 0 if no modifcation was done OR modification was
+ * copy operation, returns 0 if no modification was done OR modification was
  * successful.
  *
  * Locking: The internal device_opp and opp structures are RCU protected.
@@ -1151,7 +1158,7 @@
  * mutex locking or synchronize_rcu() blocking calls cannot be used.
  *
  * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
- * copy operation, returns 0 if no modifcation was done OR modification was
+ * copy operation, returns 0 if no modification was done OR modification was
  * successful.
  */
 int dev_pm_opp_enable(struct device *dev, unsigned long freq)
@@ -1177,7 +1184,7 @@
  * mutex locking or synchronize_rcu() blocking calls cannot be used.
  *
  * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
- * copy operation, returns 0 if no modifcation was done OR modification was
+ * copy operation, returns 0 if no modification was done OR modification was
  * successful.
  */
 int dev_pm_opp_disable(struct device *dev, unsigned long freq)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index f42f2ba..4c55cfb 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -32,8 +32,7 @@
 /* Calculate the length of a fixed format  */
 static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size)
 {
-	snprintf(buf, buf_size, "%x", max_val);
-	return strlen(buf);
+	return snprintf(NULL, 0, "%x", max_val);
 }
 
 static ssize_t regmap_name_read_file(struct file *file,
@@ -432,7 +431,7 @@
 		/* If we're in the region the user is trying to read */
 		if (p >= *ppos) {
 			/* ...but not beyond it */
-			if (buf_pos >= count - 1 - tot_len)
+			if (buf_pos + tot_len + 1 >= count)
 				break;
 
 			/* Format the register */
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index f9889b6..674f800 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1486,17 +1486,16 @@
 {
 	const bool write = cmd->rq->cmd_flags & REQ_WRITE;
 	struct loop_device *lo = cmd->rq->q->queuedata;
-	int ret = -EIO;
+	int ret = 0;
 
-	if (write && (lo->lo_flags & LO_FLAGS_READ_ONLY))
+	if (write && (lo->lo_flags & LO_FLAGS_READ_ONLY)) {
+		ret = -EIO;
 		goto failed;
+	}
 
 	ret = do_req_filebacked(lo, cmd->rq);
-
  failed:
-	if (ret)
-		cmd->rq->errors = -EIO;
-	blk_mq_complete_request(cmd->rq);
+	blk_mq_complete_request(cmd->rq, ret ? -EIO : 0);
 }
 
 static void loop_queue_write_work(struct work_struct *work)
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 17269a3..1c9e4fe 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -289,7 +289,7 @@
 	case NULL_IRQ_SOFTIRQ:
 		switch (queue_mode)  {
 		case NULL_Q_MQ:
-			blk_mq_complete_request(cmd->rq);
+			blk_mq_complete_request(cmd->rq, cmd->rq->errors);
 			break;
 		case NULL_Q_RQ:
 			blk_complete_request(cmd->rq);
@@ -406,6 +406,22 @@
 	.complete	= null_softirq_done_fn,
 };
 
+static void cleanup_queue(struct nullb_queue *nq)
+{
+	kfree(nq->tag_map);
+	kfree(nq->cmds);
+}
+
+static void cleanup_queues(struct nullb *nullb)
+{
+	int i;
+
+	for (i = 0; i < nullb->nr_queues; i++)
+		cleanup_queue(&nullb->queues[i]);
+
+	kfree(nullb->queues);
+}
+
 static void null_del_dev(struct nullb *nullb)
 {
 	list_del_init(&nullb->list);
@@ -415,6 +431,7 @@
 	if (queue_mode == NULL_Q_MQ)
 		blk_mq_free_tag_set(&nullb->tag_set);
 	put_disk(nullb->disk);
+	cleanup_queues(nullb);
 	kfree(nullb);
 }
 
@@ -459,22 +476,6 @@
 	return 0;
 }
 
-static void cleanup_queue(struct nullb_queue *nq)
-{
-	kfree(nq->tag_map);
-	kfree(nq->cmds);
-}
-
-static void cleanup_queues(struct nullb *nullb)
-{
-	int i;
-
-	for (i = 0; i < nullb->nr_queues; i++)
-		cleanup_queue(&nullb->queues[i]);
-
-	kfree(nullb->queues);
-}
-
 static int setup_queues(struct nullb *nullb)
 {
 	nullb->queues = kzalloc(submit_queues * sizeof(struct nullb_queue),
@@ -588,8 +589,7 @@
 	blk_queue_physical_block_size(nullb->q, bs);
 
 	size = gb * 1024 * 1024 * 1024ULL;
-	sector_div(size, bs);
-	set_capacity(disk, size);
+	set_capacity(disk, size >> 9);
 
 	disk->flags |= GENHD_FL_EXT_DEVT | GENHD_FL_SUPPRESS_PARTITION_INFO;
 	disk->major		= null_major;
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index b97fc3f..6f04771 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -618,16 +618,15 @@
 			spin_unlock_irqrestore(req->q->queue_lock, flags);
 			return;
 		}
+
 		if (req->cmd_type == REQ_TYPE_DRV_PRIV) {
 			if (cmd_rq->ctx == CMD_CTX_CANCELLED)
-				req->errors = -EINTR;
-			else
-				req->errors = status;
+				status = -EINTR;
 		} else {
-			req->errors = nvme_error_status(status);
+			status = nvme_error_status(status);
 		}
-	} else
-		req->errors = 0;
+	}
+
 	if (req->cmd_type == REQ_TYPE_DRV_PRIV) {
 		u32 result = le32_to_cpup(&cqe->result);
 		req->special = (void *)(uintptr_t)result;
@@ -650,7 +649,7 @@
 	}
 	nvme_free_iod(nvmeq->dev, iod);
 
-	blk_mq_complete_request(req);
+	blk_mq_complete_request(req, status);
 }
 
 /* length is in bytes.  gfp flags indicates whether we may sleep. */
@@ -863,8 +862,7 @@
 	if (ns && ns->ms && !blk_integrity_rq(req)) {
 		if (!(ns->pi_type && ns->ms == 8) &&
 					req->cmd_type != REQ_TYPE_DRV_PRIV) {
-			req->errors = -EFAULT;
-			blk_mq_complete_request(req);
+			blk_mq_complete_request(req, -EFAULT);
 			return BLK_MQ_RQ_QUEUE_OK;
 		}
 	}
@@ -2439,6 +2437,22 @@
 	list_sort(NULL, &dev->namespaces, ns_cmp);
 }
 
+static void nvme_set_irq_hints(struct nvme_dev *dev)
+{
+	struct nvme_queue *nvmeq;
+	int i;
+
+	for (i = 0; i < dev->online_queues; i++) {
+		nvmeq = dev->queues[i];
+
+		if (!nvmeq->tags || !(*nvmeq->tags))
+			continue;
+
+		irq_set_affinity_hint(dev->entry[nvmeq->cq_vector].vector,
+					blk_mq_tags_cpumask(*nvmeq->tags));
+	}
+}
+
 static void nvme_dev_scan(struct work_struct *work)
 {
 	struct nvme_dev *dev = container_of(work, struct nvme_dev, scan_work);
@@ -2450,6 +2464,7 @@
 		return;
 	nvme_scan_namespaces(dev, le32_to_cpup(&ctrl->nn));
 	kfree(ctrl);
+	nvme_set_irq_hints(dev);
 }
 
 /*
@@ -2953,22 +2968,6 @@
 	.compat_ioctl	= nvme_dev_ioctl,
 };
 
-static void nvme_set_irq_hints(struct nvme_dev *dev)
-{
-	struct nvme_queue *nvmeq;
-	int i;
-
-	for (i = 0; i < dev->online_queues; i++) {
-		nvmeq = dev->queues[i];
-
-		if (!nvmeq->tags || !(*nvmeq->tags))
-			continue;
-
-		irq_set_affinity_hint(dev->entry[nvmeq->cq_vector].vector,
-					blk_mq_tags_cpumask(*nvmeq->tags));
-	}
-}
-
 static int nvme_dev_start(struct nvme_dev *dev)
 {
 	int result;
@@ -3010,8 +3009,6 @@
 	if (result)
 		goto free_tags;
 
-	nvme_set_irq_hints(dev);
-
 	dev->event_limit = 1;
 	return result;
 
@@ -3062,7 +3059,6 @@
 	} else {
 		nvme_unfreeze_queues(dev);
 		nvme_dev_add(dev);
-		nvme_set_irq_hints(dev);
 	}
 	return 0;
 }
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index e93899c..6ca3549 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -144,7 +144,7 @@
 	do {
 		virtqueue_disable_cb(vq);
 		while ((vbr = virtqueue_get_buf(vblk->vqs[qid].vq, &len)) != NULL) {
-			blk_mq_complete_request(vbr->req);
+			blk_mq_complete_request(vbr->req, vbr->req->errors);
 			req_done = true;
 		}
 		if (unlikely(virtqueue_is_broken(vq)))
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index deb3f00..7676575 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -212,6 +212,9 @@
 
 static int xen_blkif_disconnect(struct xen_blkif *blkif)
 {
+	struct pending_req *req, *n;
+	int i = 0, j;
+
 	if (blkif->xenblkd) {
 		kthread_stop(blkif->xenblkd);
 		wake_up(&blkif->shutdown_wq);
@@ -238,25 +241,6 @@
 	/* Remove all persistent grants and the cache of ballooned pages. */
 	xen_blkbk_free_caches(blkif);
 
-	return 0;
-}
-
-static void xen_blkif_free(struct xen_blkif *blkif)
-{
-	struct pending_req *req, *n;
-	int i = 0, j;
-
-	xen_blkif_disconnect(blkif);
-	xen_vbd_free(&blkif->vbd);
-
-	/* Make sure everything is drained before shutting down */
-	BUG_ON(blkif->persistent_gnt_c != 0);
-	BUG_ON(atomic_read(&blkif->persistent_gnt_in_use) != 0);
-	BUG_ON(blkif->free_pages_num != 0);
-	BUG_ON(!list_empty(&blkif->persistent_purge_list));
-	BUG_ON(!list_empty(&blkif->free_pages));
-	BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts));
-
 	/* Check that there is no request in use */
 	list_for_each_entry_safe(req, n, &blkif->pending_free, free_list) {
 		list_del(&req->free_list);
@@ -272,6 +256,24 @@
 	}
 
 	WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages));
+	blkif->nr_ring_pages = 0;
+
+	return 0;
+}
+
+static void xen_blkif_free(struct xen_blkif *blkif)
+{
+
+	xen_blkif_disconnect(blkif);
+	xen_vbd_free(&blkif->vbd);
+
+	/* Make sure everything is drained before shutting down */
+	BUG_ON(blkif->persistent_gnt_c != 0);
+	BUG_ON(atomic_read(&blkif->persistent_gnt_in_use) != 0);
+	BUG_ON(blkif->free_pages_num != 0);
+	BUG_ON(!list_empty(&blkif->persistent_purge_list));
+	BUG_ON(!list_empty(&blkif->free_pages));
+	BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts));
 
 	kmem_cache_free(xen_blkif_cachep, blkif);
 }
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 0823a96..6111708 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1142,6 +1142,7 @@
 	RING_IDX i, rp;
 	unsigned long flags;
 	struct blkfront_info *info = (struct blkfront_info *)dev_id;
+	int error;
 
 	spin_lock_irqsave(&info->io_lock, flags);
 
@@ -1182,37 +1183,37 @@
 			continue;
 		}
 
-		req->errors = (bret->status == BLKIF_RSP_OKAY) ? 0 : -EIO;
+		error = (bret->status == BLKIF_RSP_OKAY) ? 0 : -EIO;
 		switch (bret->operation) {
 		case BLKIF_OP_DISCARD:
 			if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) {
 				struct request_queue *rq = info->rq;
 				printk(KERN_WARNING "blkfront: %s: %s op failed\n",
 					   info->gd->disk_name, op_name(bret->operation));
-				req->errors = -EOPNOTSUPP;
+				error = -EOPNOTSUPP;
 				info->feature_discard = 0;
 				info->feature_secdiscard = 0;
 				queue_flag_clear(QUEUE_FLAG_DISCARD, rq);
 				queue_flag_clear(QUEUE_FLAG_SECDISCARD, rq);
 			}
-			blk_mq_complete_request(req);
+			blk_mq_complete_request(req, error);
 			break;
 		case BLKIF_OP_FLUSH_DISKCACHE:
 		case BLKIF_OP_WRITE_BARRIER:
 			if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) {
 				printk(KERN_WARNING "blkfront: %s: %s op failed\n",
 				       info->gd->disk_name, op_name(bret->operation));
-				req->errors = -EOPNOTSUPP;
+				error = -EOPNOTSUPP;
 			}
 			if (unlikely(bret->status == BLKIF_RSP_ERROR &&
 				     info->shadow[id].req.u.rw.nr_segments == 0)) {
 				printk(KERN_WARNING "blkfront: %s: empty %s op failed\n",
 				       info->gd->disk_name, op_name(bret->operation));
-				req->errors = -EOPNOTSUPP;
+				error = -EOPNOTSUPP;
 			}
-			if (unlikely(req->errors)) {
-				if (req->errors == -EOPNOTSUPP)
-					req->errors = 0;
+			if (unlikely(error)) {
+				if (error == -EOPNOTSUPP)
+					error = 0;
 				info->feature_flush = 0;
 				xlvbd_flush(info);
 			}
@@ -1223,7 +1224,7 @@
 				dev_dbg(&info->xbdev->dev, "Bad return from blkdev data "
 					"request: %x\n", bret->status);
 
-			blk_mq_complete_request(req);
+			blk_mq_complete_request(req, error);
 			break;
 		default:
 			BUG();
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 965d1af..5cb13ca 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -330,12 +330,14 @@
  * allocate new zcomp and initialize it. return compressing
  * backend pointer or ERR_PTR if things went bad. ERR_PTR(-EINVAL)
  * if requested algorithm is not supported, ERR_PTR(-ENOMEM) in
- * case of allocation error.
+ * case of allocation error, or any other error potentially
+ * returned by functions zcomp_strm_{multi,single}_create.
  */
 struct zcomp *zcomp_create(const char *compress, int max_strm)
 {
 	struct zcomp *comp;
 	struct zcomp_backend *backend;
+	int error;
 
 	backend = find_backend(compress);
 	if (!backend)
@@ -347,12 +349,12 @@
 
 	comp->backend = backend;
 	if (max_strm > 1)
-		zcomp_strm_multi_create(comp, max_strm);
+		error = zcomp_strm_multi_create(comp, max_strm);
 	else
-		zcomp_strm_single_create(comp);
-	if (!comp->stream) {
+		error = zcomp_strm_single_create(comp);
+	if (error) {
 		kfree(comp);
-		return ERR_PTR(-ENOMEM);
+		return ERR_PTR(error);
 	}
 	return comp;
 }
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 1a82f3a..0ebca8b 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -36,7 +36,6 @@
 
 config ARM_CCI500_PMU
 	bool "ARM CCI500 PMU support"
-	default y
 	depends on (ARM && CPU_V7) || ARM64
 	depends on PERF_EVENTS
 	select ARM_CCI_PMU
diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c
index c37cf75..3c77645 100644
--- a/drivers/char/hw_random/xgene-rng.c
+++ b/drivers/char/hw_random/xgene-rng.c
@@ -344,11 +344,12 @@
 	if (IS_ERR(ctx->csr_base))
 		return PTR_ERR(ctx->csr_base);
 
-	ctx->irq = platform_get_irq(pdev, 0);
-	if (ctx->irq < 0) {
+	rc = platform_get_irq(pdev, 0);
+	if (rc < 0) {
 		dev_err(&pdev->dev, "No IRQ resource\n");
-		return ctx->irq;
+		return rc;
 	}
+	ctx->irq = rc;
 
 	dev_dbg(&pdev->dev, "APM X-Gene RNG BASE %p ALARM IRQ %d",
 		ctx->csr_base, ctx->irq);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 43e2c3a..0ebcf44 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2437,7 +2437,8 @@
 	hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
 		if (orphan->num_parents && orphan->ops->get_parent) {
 			i = orphan->ops->get_parent(orphan->hw);
-			if (!strcmp(core->name, orphan->parent_names[i]))
+			if (i >= 0 && i < orphan->num_parents &&
+			    !strcmp(core->name, orphan->parent_names[i]))
 				clk_core_reparent(orphan, core);
 			continue;
 		}
diff --git a/drivers/clk/h8300/clk-h8s2678.c b/drivers/clk/h8300/clk-h8s2678.c
index 2a38eb4..6cf38dc 100644
--- a/drivers/clk/h8300/clk-h8s2678.c
+++ b/drivers/clk/h8300/clk-h8s2678.c
@@ -8,6 +8,7 @@
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/of_address.h>
+#include <linux/slab.h>
 
 static DEFINE_SPINLOCK(clklock);
 
diff --git a/drivers/clk/hisilicon/Kconfig b/drivers/clk/hisilicon/Kconfig
index 2c16807..e434854 100644
--- a/drivers/clk/hisilicon/Kconfig
+++ b/drivers/clk/hisilicon/Kconfig
@@ -1,6 +1,12 @@
 config COMMON_CLK_HI6220
 	bool "Hi6220 Clock Driver"
-	depends on (ARCH_HISI || COMPILE_TEST) && MAILBOX
+	depends on ARCH_HISI || COMPILE_TEST
 	default ARCH_HISI
 	help
 	  Build the Hisilicon Hi6220 clock driver based on the common clock framework.
+
+config STUB_CLK_HI6220
+	bool "Hi6220 Stub Clock Driver"
+	depends on COMMON_CLK_HI6220 && MAILBOX
+	help
+	  Build the Hisilicon Hi6220 stub clock driver.
diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile
index 4a1001a..74dba31 100644
--- a/drivers/clk/hisilicon/Makefile
+++ b/drivers/clk/hisilicon/Makefile
@@ -7,4 +7,5 @@
 obj-$(CONFIG_ARCH_HI3xxx)	+= clk-hi3620.o
 obj-$(CONFIG_ARCH_HIP04)	+= clk-hip04.o
 obj-$(CONFIG_ARCH_HIX5HD2)	+= clk-hix5hd2.o
-obj-$(CONFIG_COMMON_CLK_HI6220)	+= clk-hi6220.o clk-hi6220-stub.o
+obj-$(CONFIG_COMMON_CLK_HI6220)	+= clk-hi6220.o
+obj-$(CONFIG_STUB_CLK_HI6220)	+= clk-hi6220-stub.o
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index ed02bbc..abb4760 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -716,6 +716,8 @@
 	"aclk_cpu",
 	"aclk_peri",
 	"hclk_peri",
+	"pclk_cpu",
+	"pclk_peri",
 };
 
 static void __init rk3188_common_clk_init(struct device_node *np)
@@ -744,8 +746,6 @@
 
 	rockchip_clk_register_branches(common_clk_branches,
 				  ARRAY_SIZE(common_clk_branches));
-	rockchip_clk_protect_critical(rk3188_critical_clocks,
-				      ARRAY_SIZE(rk3188_critical_clocks));
 
 	rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
 				  ROCKCHIP_SOFTRST_HIWORD_MASK);
@@ -765,6 +765,8 @@
 			mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 			&rk3066_cpuclk_data, rk3066_cpuclk_rates,
 			ARRAY_SIZE(rk3066_cpuclk_rates));
+	rockchip_clk_protect_critical(rk3188_critical_clocks,
+				      ARRAY_SIZE(rk3188_critical_clocks));
 }
 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
 
@@ -801,6 +803,9 @@
 		pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
 			__func__);
 	}
+
+	rockchip_clk_protect_critical(rk3188_critical_clocks,
+				      ARRAY_SIZE(rk3188_critical_clocks));
 }
 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
 
diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c
index 9c5d61e..7e6b783 100644
--- a/drivers/clk/rockchip/clk-rk3368.c
+++ b/drivers/clk/rockchip/clk-rk3368.c
@@ -818,6 +818,10 @@
 	GATE(0, "sclk_timer00", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 0, GFLAGS),
 };
 
+static const char *const rk3368_critical_clocks[] __initconst = {
+	"pclk_pd_pmu",
+};
+
 static void __init rk3368_clk_init(struct device_node *np)
 {
 	void __iomem *reg_base;
@@ -862,6 +866,8 @@
 				   RK3368_GRF_SOC_STATUS0);
 	rockchip_clk_register_branches(rk3368_clk_branches,
 				  ARRAY_SIZE(rk3368_clk_branches));
+	rockchip_clk_protect_critical(rk3368_critical_clocks,
+				      ARRAY_SIZE(rk3368_critical_clocks));
 
 	rockchip_clk_register_armclk(ARMCLKB, "armclkb",
 			mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p),
diff --git a/drivers/clk/samsung/clk-cpu.c b/drivers/clk/samsung/clk-cpu.c
index 7c1e1f5..2fe37f7 100644
--- a/drivers/clk/samsung/clk-cpu.c
+++ b/drivers/clk/samsung/clk-cpu.c
@@ -164,7 +164,7 @@
 	 * the values for DIV_COPY and DIV_HPM dividers need not be set.
 	 */
 	div0 = cfg_data->div0;
-	if (test_bit(CLK_CPU_HAS_DIV1, &cpuclk->flags)) {
+	if (cpuclk->flags & CLK_CPU_HAS_DIV1) {
 		div1 = cfg_data->div1;
 		if (readl(base + E4210_SRC_CPU) & E4210_MUX_HPM_MASK)
 			div1 = readl(base + E4210_DIV_CPU1) &
@@ -185,7 +185,7 @@
 		alt_div = DIV_ROUND_UP(alt_prate, tmp_rate) - 1;
 		WARN_ON(alt_div >= MAX_DIV);
 
-		if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) {
+		if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) {
 			/*
 			 * In Exynos4210, ATB clock parent is also mout_core. So
 			 * ATB clock also needs to be mantained at safe speed.
@@ -206,7 +206,7 @@
 	writel(div0, base + E4210_DIV_CPU0);
 	wait_until_divider_stable(base + E4210_DIV_STAT_CPU0, DIV_MASK_ALL);
 
-	if (test_bit(CLK_CPU_HAS_DIV1, &cpuclk->flags)) {
+	if (cpuclk->flags & CLK_CPU_HAS_DIV1) {
 		writel(div1, base + E4210_DIV_CPU1);
 		wait_until_divider_stable(base + E4210_DIV_STAT_CPU1,
 				DIV_MASK_ALL);
@@ -225,7 +225,7 @@
 	unsigned long mux_reg;
 
 	/* find out the divider values to use for clock data */
-	if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) {
+	if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) {
 		while ((cfg_data->prate * 1000) != ndata->new_rate) {
 			if (cfg_data->prate == 0)
 				return -EINVAL;
@@ -240,7 +240,7 @@
 	writel(mux_reg & ~(1 << 16), base + E4210_SRC_CPU);
 	wait_until_mux_stable(base + E4210_STAT_CPU, 16, 1);
 
-	if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) {
+	if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) {
 		div |= (cfg_data->div0 & E4210_DIV0_ATB_MASK);
 		div_mask |= E4210_DIV0_ATB_MASK;
 	}
diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index 83ccf14..576cd03 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -307,7 +307,7 @@
 	.get_rate	= clk_fs660c32_dig_get_rate,
 };
 
-static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
+static const struct clkgen_quadfs_data st_fs660c32_C = {
 	.nrst_present = true,
 	.nrst	= { CLKGEN_FIELD(0x2f0, 0x1, 0),
 		    CLKGEN_FIELD(0x2f0, 0x1, 1),
@@ -350,7 +350,7 @@
 	.get_rate	= clk_fs660c32_dig_get_rate,
 };
 
-static const struct clkgen_quadfs_data st_fs660c32_D_407 = {
+static const struct clkgen_quadfs_data st_fs660c32_D = {
 	.nrst_present = true,
 	.nrst	= { CLKGEN_FIELD(0x2a0, 0x1, 0),
 		    CLKGEN_FIELD(0x2a0, 0x1, 1),
@@ -1077,11 +1077,11 @@
 	},
 	{
 		.compatible = "st,stih407-quadfs660-C",
-		.data = &st_fs660c32_C_407
+		.data = &st_fs660c32_C
 	},
 	{
 		.compatible = "st,stih407-quadfs660-D",
-		.data = &st_fs660c32_D_407
+		.data = &st_fs660c32_D
 	},
 	{}
 };
diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c
index 47a38a9..b2a332c 100644
--- a/drivers/clk/st/clkgen-pll.c
+++ b/drivers/clk/st/clkgen-pll.c
@@ -193,7 +193,7 @@
 	.ops		= &stm_pll3200c32_ops,
 };
 
-static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = {
+static const struct clkgen_pll_data st_pll3200c32_cx_0 = {
 	/* 407 C0 PLL0 */
 	.pdn_status	= CLKGEN_FIELD(0x2a0,	0x1,			8),
 	.locked_status	= CLKGEN_FIELD(0x2a0,	0x1,			24),
@@ -205,7 +205,7 @@
 	.ops		= &stm_pll3200c32_ops,
 };
 
-static const struct clkgen_pll_data st_pll3200c32_407_c0_1 = {
+static const struct clkgen_pll_data st_pll3200c32_cx_1 = {
 	/* 407 C0 PLL1 */
 	.pdn_status	= CLKGEN_FIELD(0x2c8,	0x1,			8),
 	.locked_status	= CLKGEN_FIELD(0x2c8,	0x1,			24),
@@ -624,12 +624,12 @@
 		.data = &st_pll3200c32_407_a0,
 	},
 	{
-		.compatible = "st,stih407-plls-c32-c0_0",
-		.data = &st_pll3200c32_407_c0_0,
+		.compatible = "st,plls-c32-cx_0",
+		.data = &st_pll3200c32_cx_0,
 	},
 	{
-		.compatible = "st,stih407-plls-c32-c0_1",
-		.data = &st_pll3200c32_407_c0_1,
+		.compatible = "st,plls-c32-cx_1",
+		.data = &st_pll3200c32_cx_1,
 	},
 	{
 		.compatible = "st,stih407-plls-c32-a9",
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c
index c2ff859..c4e3a52 100644
--- a/drivers/clk/tegra/clk-dfll.c
+++ b/drivers/clk/tegra/clk-dfll.c
@@ -682,11 +682,17 @@
 	struct dev_pm_opp *opp;
 	int i, uv;
 
+	rcu_read_lock();
+
 	opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate);
-	if (IS_ERR(opp))
+	if (IS_ERR(opp)) {
+		rcu_read_unlock();
 		return PTR_ERR(opp);
+	}
 	uv = dev_pm_opp_get_voltage(opp);
 
+	rcu_read_unlock();
+
 	for (i = 0; i < td->i2c_lut_size; i++) {
 		if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv)
 			return i;
diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c
index 676ee8f..8831e1a 100644
--- a/drivers/clk/ti/clk-3xxx.c
+++ b/drivers/clk/ti/clk-3xxx.c
@@ -374,7 +374,6 @@
 	DT_CLK(NULL, "gpio2_ick", "gpio2_ick"),
 	DT_CLK(NULL, "wdt3_ick", "wdt3_ick"),
 	DT_CLK(NULL, "uart3_ick", "uart3_ick"),
-	DT_CLK(NULL, "uart4_ick", "uart4_ick"),
 	DT_CLK(NULL, "gpt9_ick", "gpt9_ick"),
 	DT_CLK(NULL, "gpt8_ick", "gpt8_ick"),
 	DT_CLK(NULL, "gpt7_ick", "gpt7_ick"),
@@ -519,6 +518,7 @@
 static struct ti_dt_clk omap36xx_clks[] = {
 	DT_CLK(NULL, "omap_192m_alwon_fck", "omap_192m_alwon_fck"),
 	DT_CLK(NULL, "uart4_fck", "uart4_fck"),
+	DT_CLK(NULL, "uart4_ick", "uart4_ick"),
 	{ .node_name = NULL },
 };
 
diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c
index 9b5b289..a911d7d 100644
--- a/drivers/clk/ti/clk-7xx.c
+++ b/drivers/clk/ti/clk-7xx.c
@@ -18,7 +18,6 @@
 
 #include "clock.h"
 
-#define DRA7_DPLL_ABE_DEFFREQ				180633600
 #define DRA7_DPLL_GMAC_DEFFREQ				1000000000
 #define DRA7_DPLL_USB_DEFFREQ				960000000
 
@@ -313,27 +312,12 @@
 int __init dra7xx_dt_clk_init(void)
 {
 	int rc;
-	struct clk *abe_dpll_mux, *sys_clkin2, *dpll_ck, *hdcp_ck;
+	struct clk *dpll_ck, *hdcp_ck;
 
 	ti_dt_clocks_register(dra7xx_clks);
 
 	omap2_clk_disable_autoidle_all();
 
-	abe_dpll_mux = clk_get_sys(NULL, "abe_dpll_sys_clk_mux");
-	sys_clkin2 = clk_get_sys(NULL, "sys_clkin2");
-	dpll_ck = clk_get_sys(NULL, "dpll_abe_ck");
-
-	rc = clk_set_parent(abe_dpll_mux, sys_clkin2);
-	if (!rc)
-		rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ);
-	if (rc)
-		pr_err("%s: failed to configure ABE DPLL!\n", __func__);
-
-	dpll_ck = clk_get_sys(NULL, "dpll_abe_m2x2_ck");
-	rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ * 2);
-	if (rc)
-		pr_err("%s: failed to configure ABE DPLL m2x2!\n", __func__);
-
 	dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck");
 	rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ);
 	if (rc)
diff --git a/drivers/clk/ti/clkt_dflt.c b/drivers/clk/ti/clkt_dflt.c
index 90d7d8a..1ddc288 100644
--- a/drivers/clk/ti/clkt_dflt.c
+++ b/drivers/clk/ti/clkt_dflt.c
@@ -222,7 +222,7 @@
 		}
 	}
 
-	if (unlikely(!clk->enable_reg)) {
+	if (unlikely(IS_ERR(clk->enable_reg))) {
 		pr_err("%s: %s missing enable_reg\n", __func__,
 		       clk_hw_get_name(hw));
 		ret = -EINVAL;
@@ -264,7 +264,7 @@
 	u32 v;
 
 	clk = to_clk_hw_omap(hw);
-	if (!clk->enable_reg) {
+	if (IS_ERR(clk->enable_reg)) {
 		/*
 		 * 'independent' here refers to a clock which is not
 		 * controlled by its parent.
diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c
index bb2c2b0..d3c1742 100644
--- a/drivers/clocksource/rockchip_timer.c
+++ b/drivers/clocksource/rockchip_timer.c
@@ -148,7 +148,7 @@
 	bc_timer.freq = clk_get_rate(timer_clk);
 
 	irq = irq_of_parse_and_map(np, 0);
-	if (irq == NO_IRQ) {
+	if (!irq) {
 		pr_err("Failed to map interrupts for '%s'\n", TIMER_NAME);
 		return;
 	}
diff --git a/drivers/clocksource/timer-keystone.c b/drivers/clocksource/timer-keystone.c
index edacf39..1cea08c 100644
--- a/drivers/clocksource/timer-keystone.c
+++ b/drivers/clocksource/timer-keystone.c
@@ -152,7 +152,7 @@
 	int irq, error;
 
 	irq  = irq_of_parse_and_map(np, 0);
-	if (irq == NO_IRQ) {
+	if (!irq) {
 		pr_err("%s: failed to map interrupts\n", __func__);
 		return;
 	}
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 15b921a..cec1ee2 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -149,6 +149,9 @@
 {
 	struct acpi_cpufreq_data *data = policy->driver_data;
 
+	if (unlikely(!data))
+		return -ENODEV;
+
 	return cpufreq_show_cpus(data->freqdomain_cpus, buf);
 }
 
@@ -375,12 +378,11 @@
 
 	pr_debug("get_cur_freq_on_cpu (%d)\n", cpu);
 
-	policy = cpufreq_cpu_get(cpu);
+	policy = cpufreq_cpu_get_raw(cpu);
 	if (unlikely(!policy))
 		return 0;
 
 	data = policy->driver_data;
-	cpufreq_cpu_put(policy);
 	if (unlikely(!data || !data->freq_table))
 		return 0;
 
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 6633b3f..25c4c15 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -238,13 +238,13 @@
 }
 EXPORT_SYMBOL_GPL(cpufreq_generic_init);
 
-/* Only for cpufreq core internal use */
-static struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu)
+struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu)
 {
 	struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu);
 
 	return policy && cpumask_test_cpu(cpu, policy->cpus) ? policy : NULL;
 }
+EXPORT_SYMBOL_GPL(cpufreq_cpu_get_raw);
 
 unsigned int cpufreq_generic_get(unsigned int cpu)
 {
@@ -1436,8 +1436,10 @@
 	 * since this is a core component, and is essential for the
 	 * subsequent light-weight ->init() to succeed.
 	 */
-	if (cpufreq_driver->exit)
+	if (cpufreq_driver->exit) {
 		cpufreq_driver->exit(policy);
+		policy->freq_table = NULL;
+	}
 }
 
 /**
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 07bc7aa..d234719 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -461,7 +461,7 @@
 
 config CRYPTO_DEV_VMX
 	bool "Support for VMX cryptographic acceleration instructions"
-	depends on PPC64
+	depends on PPC64 && VSX
 	help
 	  Support for VMX cryptographic acceleration instructions.
 
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h
index b60698b..bc2a55b 100644
--- a/drivers/crypto/marvell/cesa.h
+++ b/drivers/crypto/marvell/cesa.h
@@ -687,6 +687,33 @@
 
 int mv_cesa_queue_req(struct crypto_async_request *req);
 
+/*
+ * Helper function that indicates whether a crypto request needs to be
+ * cleaned up or not after being enqueued using mv_cesa_queue_req().
+ */
+static inline int mv_cesa_req_needs_cleanup(struct crypto_async_request *req,
+					    int ret)
+{
+	/*
+	 * The queue still had some space, the request was queued
+	 * normally, so there's no need to clean it up.
+	 */
+	if (ret == -EINPROGRESS)
+		return false;
+
+	/*
+	 * The queue had not space left, but since the request is
+	 * flagged with CRYPTO_TFM_REQ_MAY_BACKLOG, it was added to
+	 * the backlog and will be processed later. There's no need to
+	 * clean it up.
+	 */
+	if (ret == -EBUSY && req->flags & CRYPTO_TFM_REQ_MAY_BACKLOG)
+		return false;
+
+	/* Request wasn't queued, we need to clean it up */
+	return true;
+}
+
 /* TDMA functions */
 
 static inline void mv_cesa_req_dma_iter_init(struct mv_cesa_dma_iter *iter,
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c
index 0745cf3..3df2f4e 100644
--- a/drivers/crypto/marvell/cipher.c
+++ b/drivers/crypto/marvell/cipher.c
@@ -189,7 +189,6 @@
 {
 	struct ablkcipher_request *ablkreq = ablkcipher_request_cast(req);
 	struct mv_cesa_ablkcipher_req *creq = ablkcipher_request_ctx(ablkreq);
-
 	creq->req.base.engine = engine;
 
 	if (creq->req.base.type == CESA_DMA_REQ)
@@ -431,7 +430,7 @@
 		return ret;
 
 	ret = mv_cesa_queue_req(&req->base);
-	if (ret && ret != -EINPROGRESS)
+	if (mv_cesa_req_needs_cleanup(&req->base, ret))
 		mv_cesa_ablkcipher_cleanup(req);
 
 	return ret;
@@ -551,7 +550,7 @@
 		return ret;
 
 	ret = mv_cesa_queue_req(&req->base);
-	if (ret && ret != -EINPROGRESS)
+	if (mv_cesa_req_needs_cleanup(&req->base, ret))
 		mv_cesa_ablkcipher_cleanup(req);
 
 	return ret;
@@ -693,7 +692,7 @@
 		return ret;
 
 	ret = mv_cesa_queue_req(&req->base);
-	if (ret && ret != -EINPROGRESS)
+	if (mv_cesa_req_needs_cleanup(&req->base, ret))
 		mv_cesa_ablkcipher_cleanup(req);
 
 	return ret;
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index ae9272e..e8d0d71 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -739,10 +739,8 @@
 		return 0;
 
 	ret = mv_cesa_queue_req(&req->base);
-	if (ret && ret != -EINPROGRESS) {
+	if (mv_cesa_req_needs_cleanup(&req->base, ret))
 		mv_cesa_ahash_cleanup(req);
-		return ret;
-	}
 
 	return ret;
 }
@@ -766,7 +764,7 @@
 		return 0;
 
 	ret = mv_cesa_queue_req(&req->base);
-	if (ret && ret != -EINPROGRESS)
+	if (mv_cesa_req_needs_cleanup(&req->base, ret))
 		mv_cesa_ahash_cleanup(req);
 
 	return ret;
@@ -791,7 +789,7 @@
 		return 0;
 
 	ret = mv_cesa_queue_req(&req->base);
-	if (ret && ret != -EINPROGRESS)
+	if (mv_cesa_req_needs_cleanup(&req->base, ret))
 		mv_cesa_ahash_cleanup(req);
 
 	return ret;
diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c
index a57b419..0a5ca0b 100644
--- a/drivers/crypto/qat/qat_common/adf_aer.c
+++ b/drivers/crypto/qat/qat_common/adf_aer.c
@@ -88,6 +88,9 @@
 	struct pci_dev *parent = pdev->bus->self;
 	uint16_t bridge_ctl = 0;
 
+	if (accel_dev->is_vf)
+		return;
+
 	dev_info(&GET_DEV(accel_dev), "Resetting device qat_dev%d\n",
 		 accel_dev->accel_id);
 
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
index e070c31..a19ee12 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
@@ -104,7 +104,7 @@
 			sg_miter_next(&mo);
 			oo = 0;
 		}
-	} while (mo.length > 0);
+	} while (oleft > 0);
 
 	if (areq->info) {
 		for (i = 0; i < 4 && i < ivsize / 4; i++) {
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index ca1b362..ca848cc 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -53,7 +53,7 @@
 {
 	struct devfreq *tmp_devfreq;
 
-	if (unlikely(IS_ERR_OR_NULL(dev))) {
+	if (IS_ERR_OR_NULL(dev)) {
 		pr_err("DEVFREQ: %s: Invalid parameters\n", __func__);
 		return ERR_PTR(-EINVAL);
 	}
@@ -133,7 +133,7 @@
 {
 	struct devfreq_governor *tmp_governor;
 
-	if (unlikely(IS_ERR_OR_NULL(name))) {
+	if (IS_ERR_OR_NULL(name)) {
 		pr_err("DEVFREQ: %s: Invalid parameters\n", __func__);
 		return ERR_PTR(-EINVAL);
 	}
@@ -177,10 +177,10 @@
 		return err;
 
 	/*
-	 * Adjust the freuqency with user freq and QoS.
+	 * Adjust the frequency with user freq and QoS.
 	 *
-	 * List from the highest proiority
-	 * max_freq (probably called by thermal when it's too hot)
+	 * List from the highest priority
+	 * max_freq
 	 * min_freq
 	 */
 
@@ -482,7 +482,7 @@
 						devfreq->profile->max_state *
 						devfreq->profile->max_state,
 						GFP_KERNEL);
-	devfreq->time_in_state = devm_kzalloc(dev, sizeof(unsigned int) *
+	devfreq->time_in_state = devm_kzalloc(dev, sizeof(unsigned long) *
 						devfreq->profile->max_state,
 						GFP_KERNEL);
 	devfreq->last_stat_updated = jiffies;
@@ -492,7 +492,7 @@
 	if (err) {
 		put_device(&devfreq->dev);
 		mutex_unlock(&devfreq->lock);
-		goto err_dev;
+		goto err_out;
 	}
 
 	mutex_unlock(&devfreq->lock);
@@ -518,7 +518,6 @@
 err_init:
 	list_del(&devfreq->node);
 	device_unregister(&devfreq->dev);
-err_dev:
 	kfree(devfreq);
 err_out:
 	return ERR_PTR(err);
@@ -795,8 +794,10 @@
 		ret = PTR_ERR(governor);
 		goto out;
 	}
-	if (df->governor == governor)
+	if (df->governor == governor) {
+		ret = 0;
 		goto out;
+	}
 
 	if (df->governor) {
 		ret = df->governor->event_handler(df, DEVFREQ_GOV_STOP, NULL);
diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index f9901f5..f312485 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -319,7 +319,8 @@
 	case PPMU_PMNCNT3:
 		pmcnt_high = __raw_readl(info->ppmu.base + PPMU_V2_PMCNT3_HIGH);
 		pmcnt_low = __raw_readl(info->ppmu.base + PPMU_V2_PMCNT3_LOW);
-		load_count = (u64)((pmcnt_high & 0xff) << 32) + (u64)pmcnt_low;
+		load_count = ((u64)((pmcnt_high & 0xff)) << 32)
+			   + (u64)pmcnt_low;
 		break;
 	}
 	edata->load_count = load_count;
diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c
index 0720ba8..ae72ba5 100644
--- a/drivers/devfreq/governor_simpleondemand.c
+++ b/drivers/devfreq/governor_simpleondemand.c
@@ -21,17 +21,20 @@
 static int devfreq_simple_ondemand_func(struct devfreq *df,
 					unsigned long *freq)
 {
-	struct devfreq_dev_status stat;
-	int err = df->profile->get_dev_status(df->dev.parent, &stat);
+	int err;
+	struct devfreq_dev_status *stat;
 	unsigned long long a, b;
 	unsigned int dfso_upthreshold = DFSO_UPTHRESHOLD;
 	unsigned int dfso_downdifferential = DFSO_DOWNDIFFERENCTIAL;
 	struct devfreq_simple_ondemand_data *data = df->data;
 	unsigned long max = (df->max_freq) ? df->max_freq : UINT_MAX;
 
+	err = devfreq_update_stats(df);
 	if (err)
 		return err;
 
+	stat = &df->last_status;
+
 	if (data) {
 		if (data->upthreshold)
 			dfso_upthreshold = data->upthreshold;
@@ -43,41 +46,41 @@
 		return -EINVAL;
 
 	/* Assume MAX if it is going to be divided by zero */
-	if (stat.total_time == 0) {
+	if (stat->total_time == 0) {
 		*freq = max;
 		return 0;
 	}
 
 	/* Prevent overflow */
-	if (stat.busy_time >= (1 << 24) || stat.total_time >= (1 << 24)) {
-		stat.busy_time >>= 7;
-		stat.total_time >>= 7;
+	if (stat->busy_time >= (1 << 24) || stat->total_time >= (1 << 24)) {
+		stat->busy_time >>= 7;
+		stat->total_time >>= 7;
 	}
 
 	/* Set MAX if it's busy enough */
-	if (stat.busy_time * 100 >
-	    stat.total_time * dfso_upthreshold) {
+	if (stat->busy_time * 100 >
+	    stat->total_time * dfso_upthreshold) {
 		*freq = max;
 		return 0;
 	}
 
 	/* Set MAX if we do not know the initial frequency */
-	if (stat.current_frequency == 0) {
+	if (stat->current_frequency == 0) {
 		*freq = max;
 		return 0;
 	}
 
 	/* Keep the current frequency */
-	if (stat.busy_time * 100 >
-	    stat.total_time * (dfso_upthreshold - dfso_downdifferential)) {
-		*freq = stat.current_frequency;
+	if (stat->busy_time * 100 >
+	    stat->total_time * (dfso_upthreshold - dfso_downdifferential)) {
+		*freq = stat->current_frequency;
 		return 0;
 	}
 
 	/* Set the desired frequency based on the load */
-	a = stat.busy_time;
-	a *= stat.current_frequency;
-	b = div_u64(a, stat.total_time);
+	a = stat->busy_time;
+	a *= stat->current_frequency;
+	b = div_u64(a, stat->total_time);
 	b *= 100;
 	b = div_u64(b, (dfso_upthreshold - dfso_downdifferential / 2));
 	*freq = (unsigned long) b;
diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index 13a1a6e..848b93ee 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -541,18 +541,20 @@
 static int tegra_governor_get_target(struct devfreq *devfreq,
 				     unsigned long *freq)
 {
-	struct devfreq_dev_status stat;
+	struct devfreq_dev_status *stat;
 	struct tegra_devfreq *tegra;
 	struct tegra_devfreq_device *dev;
 	unsigned long target_freq = 0;
 	unsigned int i;
 	int err;
 
-	err = devfreq->profile->get_dev_status(devfreq->dev.parent, &stat);
+	err = devfreq_update_stats(devfreq);
 	if (err)
 		return err;
 
-	tegra = stat.private_data;
+	stat = &devfreq->last_status;
+
+	tegra = stat->private_data;
 
 	for (i = 0; i < ARRAY_SIZE(tegra->devices); i++) {
 		dev = &tegra->devices[i];
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index a165b4b..dd24375 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -455,6 +455,15 @@
 	return desc;
 }
 
+void at_xdmac_init_used_desc(struct at_xdmac_desc *desc)
+{
+	memset(&desc->lld, 0, sizeof(desc->lld));
+	INIT_LIST_HEAD(&desc->descs_list);
+	desc->direction = DMA_TRANS_NONE;
+	desc->xfer_size = 0;
+	desc->active_xfer = false;
+}
+
 /* Call must be protected by lock. */
 static struct at_xdmac_desc *at_xdmac_get_desc(struct at_xdmac_chan *atchan)
 {
@@ -466,7 +475,7 @@
 		desc = list_first_entry(&atchan->free_descs_list,
 					struct at_xdmac_desc, desc_node);
 		list_del(&desc->desc_node);
-		desc->active_xfer = false;
+		at_xdmac_init_used_desc(desc);
 	}
 
 	return desc;
@@ -875,14 +884,14 @@
 
 	if (xt->src_inc) {
 		if (xt->src_sgl)
-			chan_cc |=  AT_XDMAC_CC_SAM_UBS_DS_AM;
+			chan_cc |=  AT_XDMAC_CC_SAM_UBS_AM;
 		else
 			chan_cc |=  AT_XDMAC_CC_SAM_INCREMENTED_AM;
 	}
 
 	if (xt->dst_inc) {
 		if (xt->dst_sgl)
-			chan_cc |=  AT_XDMAC_CC_DAM_UBS_DS_AM;
+			chan_cc |=  AT_XDMAC_CC_DAM_UBS_AM;
 		else
 			chan_cc |=  AT_XDMAC_CC_DAM_INCREMENTED_AM;
 	}
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 3ff284c..09479d4 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -554,10 +554,18 @@
 	mutex_lock(&dma_list_mutex);
 
 	if (chan->client_count == 0) {
+		struct dma_device *device = chan->device;
+
+		dma_cap_set(DMA_PRIVATE, device->cap_mask);
+		device->privatecnt++;
 		err = dma_chan_get(chan);
-		if (err)
+		if (err) {
 			pr_debug("%s: failed to get %s: (%d)\n",
 				__func__, dma_chan_name(chan), err);
+			chan = NULL;
+			if (--device->privatecnt == 0)
+				dma_cap_clear(DMA_PRIVATE, device->cap_mask);
+		}
 	} else
 		chan = NULL;
 
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index cf1c87f..bedce03 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -1591,7 +1591,6 @@
 	INIT_LIST_HEAD(&dw->dma.channels);
 	for (i = 0; i < nr_channels; i++) {
 		struct dw_dma_chan	*dwc = &dw->chan[i];
-		int			r = nr_channels - i - 1;
 
 		dwc->chan.device = &dw->dma;
 		dma_cookie_init(&dwc->chan);
@@ -1603,7 +1602,7 @@
 
 		/* 7 is highest priority & 0 is lowest. */
 		if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING)
-			dwc->priority = r;
+			dwc->priority = nr_channels - i - 1;
 		else
 			dwc->priority = i;
 
@@ -1622,6 +1621,7 @@
 		/* Hardware configuration */
 		if (autocfg) {
 			unsigned int dwc_params;
+			unsigned int r = DW_DMA_MAX_NR_CHANNELS - i - 1;
 			void __iomem *addr = chip->regs + r * sizeof(u32);
 
 			dwc_params = dma_read_byaddr(addr, DWC_PARAMS);
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 18c14e1..48d6d9e 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -355,23 +355,23 @@
 	struct idma64_desc *desc = idma64c->desc;
 	struct idma64_hw_desc *hw;
 	size_t bytes = desc->length;
-	u64 llp;
-	u32 ctlhi;
+	u64 llp = channel_readq(idma64c, LLP);
+	u32 ctlhi = channel_readl(idma64c, CTL_HI);
 	unsigned int i = 0;
 
-	llp = channel_readq(idma64c, LLP);
 	do {
 		hw = &desc->hw[i];
-	} while ((hw->llp != llp) && (++i < desc->ndesc));
+		if (hw->llp == llp)
+			break;
+		bytes -= hw->len;
+	} while (++i < desc->ndesc);
 
 	if (!i)
 		return bytes;
 
-	do {
-		bytes -= desc->hw[--i].len;
-	} while (i);
+	/* The current chunk is not fully transfered yet */
+	bytes += desc->hw[--i].len;
 
-	ctlhi = channel_readl(idma64c, CTL_HI);
 	return bytes - IDMA64C_CTLH_BLOCK_TS(ctlhi);
 }
 
diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index 4768a82..2bf37e6 100644
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -266,7 +266,7 @@
 }
 
 /* Chained IRQ handler for IPU function and error interrupt */
-static void ipu_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void ipu_irq_handler(struct irq_desc *desc)
 {
 	struct ipu *ipu = irq_desc_get_handler_data(desc);
 	u32 status;
diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index 5cb61ce..fc4156a 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -473,8 +473,10 @@
 		return;
 
 	/* clear the channel mapping in DRCMR */
-	reg = pxad_drcmr(chan->drcmr);
-	writel_relaxed(0, chan->phy->base + reg);
+	if (chan->drcmr <= DRCMR_CHLNUM) {
+		reg = pxad_drcmr(chan->drcmr);
+		writel_relaxed(0, chan->phy->base + reg);
+	}
 
 	spin_lock_irqsave(&pdev->phy_lock, flags);
 	for (i = 0; i < 32; i++)
@@ -516,8 +518,10 @@
 		"%s(); phy=%p(%d) misaligned=%d\n", __func__,
 		phy, phy->idx, misaligned);
 
-	reg = pxad_drcmr(phy->vchan->drcmr);
-	writel_relaxed(DRCMR_MAPVLD | phy->idx, phy->base + reg);
+	if (phy->vchan->drcmr <= DRCMR_CHLNUM) {
+		reg = pxad_drcmr(phy->vchan->drcmr);
+		writel_relaxed(DRCMR_MAPVLD | phy->idx, phy->base + reg);
+	}
 
 	dalgn = phy_readl_relaxed(phy, DALGN);
 	if (misaligned)
@@ -887,6 +891,7 @@
 	struct dma_async_tx_descriptor *tx;
 	struct pxad_chan *chan = container_of(vc, struct pxad_chan, vc);
 
+	INIT_LIST_HEAD(&vd->node);
 	tx = vchan_tx_prep(vc, vd, tx_flags);
 	tx->tx_submit = pxad_tx_submit;
 	dev_dbg(&chan->vc.chan.dev->device,
@@ -910,14 +915,18 @@
 		width = chan->cfg.src_addr_width;
 		dev_addr = chan->cfg.src_addr;
 		*dev_src = dev_addr;
-		*dcmd |= PXA_DCMD_INCTRGADDR | PXA_DCMD_FLOWSRC;
+		*dcmd |= PXA_DCMD_INCTRGADDR;
+		if (chan->drcmr <= DRCMR_CHLNUM)
+			*dcmd |= PXA_DCMD_FLOWSRC;
 	}
 	if (dir == DMA_MEM_TO_DEV) {
 		maxburst = chan->cfg.dst_maxburst;
 		width = chan->cfg.dst_addr_width;
 		dev_addr = chan->cfg.dst_addr;
 		*dev_dst = dev_addr;
-		*dcmd |= PXA_DCMD_INCSRCADDR | PXA_DCMD_FLOWTRG;
+		*dcmd |= PXA_DCMD_INCSRCADDR;
+		if (chan->drcmr <= DRCMR_CHLNUM)
+			*dcmd |= PXA_DCMD_FLOWTRG;
 	}
 	if (dir == DMA_MEM_TO_MEM)
 		*dcmd |= PXA_DCMD_BURST32 | PXA_DCMD_INCTRGADDR |
@@ -1177,6 +1186,16 @@
 	else
 		curr = phy_readl_relaxed(chan->phy, DTADR);
 
+	/*
+	 * curr has to be actually read before checking descriptor
+	 * completion, so that a curr inside a status updater
+	 * descriptor implies the following test returns true, and
+	 * preventing reordering of curr load and the test.
+	 */
+	rmb();
+	if (is_desc_completed(vd))
+		goto out;
+
 	for (i = 0; i < sw_desc->nb_desc - 1; i++) {
 		hw_desc = sw_desc->hw_desc[i];
 		if (sw_desc->hw_desc[0]->dcmd & PXA_DCMD_INCSRCADDR)
diff --git a/drivers/dma/sun4i-dma.c b/drivers/dma/sun4i-dma.c
index a1a500d..1661d518 100644
--- a/drivers/dma/sun4i-dma.c
+++ b/drivers/dma/sun4i-dma.c
@@ -599,13 +599,13 @@
 static void sun4i_dma_free_contract(struct virt_dma_desc *vd)
 {
 	struct sun4i_dma_contract *contract = to_sun4i_dma_contract(vd);
-	struct sun4i_dma_promise *promise;
+	struct sun4i_dma_promise *promise, *tmp;
 
 	/* Free all the demands and completed demands */
-	list_for_each_entry(promise, &contract->demands, list)
+	list_for_each_entry_safe(promise, tmp, &contract->demands, list)
 		kfree(promise);
 
-	list_for_each_entry(promise, &contract->completed_demands, list)
+	list_for_each_entry_safe(promise, tmp, &contract->completed_demands, list)
 		kfree(promise);
 
 	kfree(contract);
diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c
index b23e8d5..8d57b1b 100644
--- a/drivers/dma/xgene-dma.c
+++ b/drivers/dma/xgene-dma.c
@@ -59,7 +59,6 @@
 #define XGENE_DMA_RING_MEM_RAM_SHUTDOWN		0xD070
 #define XGENE_DMA_RING_BLK_MEM_RDY		0xD074
 #define XGENE_DMA_RING_BLK_MEM_RDY_VAL		0xFFFFFFFF
-#define XGENE_DMA_RING_DESC_CNT(v)		(((v) & 0x0001FFFE) >> 1)
 #define XGENE_DMA_RING_ID_GET(owner, num)	(((owner) << 6) | (num))
 #define XGENE_DMA_RING_DST_ID(v)		((1 << 10) | (v))
 #define XGENE_DMA_RING_CMD_OFFSET		0x2C
@@ -379,14 +378,6 @@
 	return flyby_type[src_cnt];
 }
 
-static u32 xgene_dma_ring_desc_cnt(struct xgene_dma_ring *ring)
-{
-	u32 __iomem *cmd_base = ring->cmd_base;
-	u32 ring_state = ioread32(&cmd_base[1]);
-
-	return XGENE_DMA_RING_DESC_CNT(ring_state);
-}
-
 static void xgene_dma_set_src_buffer(__le64 *ext8, size_t *len,
 				     dma_addr_t *paddr)
 {
@@ -659,15 +650,12 @@
 	dma_pool_free(chan->desc_pool, desc, desc->tx.phys);
 }
 
-static int xgene_chan_xfer_request(struct xgene_dma_ring *ring,
-				   struct xgene_dma_desc_sw *desc_sw)
+static void xgene_chan_xfer_request(struct xgene_dma_chan *chan,
+				    struct xgene_dma_desc_sw *desc_sw)
 {
+	struct xgene_dma_ring *ring = &chan->tx_ring;
 	struct xgene_dma_desc_hw *desc_hw;
 
-	/* Check if can push more descriptor to hw for execution */
-	if (xgene_dma_ring_desc_cnt(ring) > (ring->slots - 2))
-		return -EBUSY;
-
 	/* Get hw descriptor from DMA tx ring */
 	desc_hw = &ring->desc_hw[ring->head];
 
@@ -694,11 +682,13 @@
 		memcpy(desc_hw, &desc_sw->desc2, sizeof(*desc_hw));
 	}
 
+	/* Increment the pending transaction count */
+	chan->pending += ((desc_sw->flags &
+			  XGENE_DMA_FLAG_64B_DESC) ? 2 : 1);
+
 	/* Notify the hw that we have descriptor ready for execution */
 	iowrite32((desc_sw->flags & XGENE_DMA_FLAG_64B_DESC) ?
 		  2 : 1, ring->cmd);
-
-	return 0;
 }
 
 /**
@@ -710,7 +700,6 @@
 static void xgene_chan_xfer_ld_pending(struct xgene_dma_chan *chan)
 {
 	struct xgene_dma_desc_sw *desc_sw, *_desc_sw;
-	int ret;
 
 	/*
 	 * If the list of pending descriptors is empty, then we
@@ -735,18 +724,13 @@
 		if (chan->pending >= chan->max_outstanding)
 			return;
 
-		ret = xgene_chan_xfer_request(&chan->tx_ring, desc_sw);
-		if (ret)
-			return;
+		xgene_chan_xfer_request(chan, desc_sw);
 
 		/*
 		 * Delete this element from ld pending queue and append it to
 		 * ld running queue
 		 */
 		list_move_tail(&desc_sw->node, &chan->ld_running);
-
-		/* Increment the pending transaction count */
-		chan->pending++;
 	}
 }
 
@@ -821,7 +805,8 @@
 		 * Decrement the pending transaction count
 		 * as we have processed one
 		 */
-		chan->pending--;
+		chan->pending -= ((desc_sw->flags &
+				  XGENE_DMA_FLAG_64B_DESC) ? 2 : 1);
 
 		/*
 		 * Delete this node from ld running queue and append it to
@@ -1421,15 +1406,18 @@
 				     struct xgene_dma_ring *ring,
 				     enum xgene_dma_ring_cfgsize cfgsize)
 {
+	int ret;
+
 	/* Setup DMA ring descriptor variables */
 	ring->pdma = chan->pdma;
 	ring->cfgsize = cfgsize;
 	ring->num = chan->pdma->ring_num++;
 	ring->id = XGENE_DMA_RING_ID_GET(ring->owner, ring->buf_num);
 
-	ring->size = xgene_dma_get_ring_size(chan, cfgsize);
-	if (ring->size <= 0)
-		return ring->size;
+	ret = xgene_dma_get_ring_size(chan, cfgsize);
+	if (ret <= 0)
+		return ret;
+	ring->size = ret;
 
 	/* Allocate memory for DMA ring descriptor */
 	ring->desc_vaddr = dma_zalloc_coherent(chan->dev, ring->size,
@@ -1482,7 +1470,7 @@
 		 tx_ring->id, tx_ring->num, tx_ring->desc_vaddr);
 
 	/* Set the max outstanding request possible to this channel */
-	chan->max_outstanding = rx_ring->slots;
+	chan->max_outstanding = tx_ring->slots;
 
 	return ret;
 }
diff --git a/drivers/dma/zx296702_dma.c b/drivers/dma/zx296702_dma.c
index 39915a6..c017fcd 100644
--- a/drivers/dma/zx296702_dma.c
+++ b/drivers/dma/zx296702_dma.c
@@ -739,7 +739,7 @@
 	struct dma_chan *chan;
 	struct zx_dma_chan *c;
 
-	if (request > d->dma_requests)
+	if (request >= d->dma_requests)
 		return NULL;
 
 	chan = dma_get_any_slave_channel(&d->slave);
diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index a07addd..8dd0af1 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -159,7 +159,7 @@
 static bool is_extcon_changed(u32 prev, u32 new, int idx, bool *attached)
 {
 	if (((prev >> idx) & 0x1) != ((new >> idx) & 0x1)) {
-		*attached = new ? true : false;
+		*attached = ((new >> idx) & 0x1) ? true : false;
 		return true;
 	}
 
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index d8de6a8..665efca 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -139,6 +139,14 @@
 	bool
 	depends on ARM || ARM64
 
+config QCOM_SCM_32
+	def_bool y
+	depends on QCOM_SCM && ARM
+
+config QCOM_SCM_64
+	def_bool y
+	depends on QCOM_SCM && ARM64
+
 source "drivers/firmware/broadcom/Kconfig"
 source "drivers/firmware/google/Kconfig"
 source "drivers/firmware/efi/Kconfig"
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 000830f..2ee8347 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -13,7 +13,8 @@
 obj-$(CONFIG_ISCSI_IBFT)	+= iscsi_ibft.o
 obj-$(CONFIG_FIRMWARE_MEMMAP)	+= memmap.o
 obj-$(CONFIG_QCOM_SCM)		+= qcom_scm.o
-obj-$(CONFIG_QCOM_SCM)		+= qcom_scm-32.o
+obj-$(CONFIG_QCOM_SCM_64)	+= qcom_scm-64.o
+obj-$(CONFIG_QCOM_SCM_32)	+= qcom_scm-32.o
 CFLAGS_qcom_scm-32.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1)
 
 obj-y				+= broadcom/
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index e29560e..950c87f 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/efi.h>
+#include <linux/sort.h>
 #include <asm/efi.h>
 
 #include "efistub.h"
@@ -305,6 +306,44 @@
  */
 #define EFI_RT_VIRTUAL_BASE	0x40000000
 
+static int cmp_mem_desc(const void *l, const void *r)
+{
+	const efi_memory_desc_t *left = l, *right = r;
+
+	return (left->phys_addr > right->phys_addr) ? 1 : -1;
+}
+
+/*
+ * Returns whether region @left ends exactly where region @right starts,
+ * or false if either argument is NULL.
+ */
+static bool regions_are_adjacent(efi_memory_desc_t *left,
+				 efi_memory_desc_t *right)
+{
+	u64 left_end;
+
+	if (left == NULL || right == NULL)
+		return false;
+
+	left_end = left->phys_addr + left->num_pages * EFI_PAGE_SIZE;
+
+	return left_end == right->phys_addr;
+}
+
+/*
+ * Returns whether region @left and region @right have compatible memory type
+ * mapping attributes, and are both EFI_MEMORY_RUNTIME regions.
+ */
+static bool regions_have_compatible_memory_type_attrs(efi_memory_desc_t *left,
+						      efi_memory_desc_t *right)
+{
+	static const u64 mem_type_mask = EFI_MEMORY_WB | EFI_MEMORY_WT |
+					 EFI_MEMORY_WC | EFI_MEMORY_UC |
+					 EFI_MEMORY_RUNTIME;
+
+	return ((left->attribute ^ right->attribute) & mem_type_mask) == 0;
+}
+
 /*
  * efi_get_virtmap() - create a virtual mapping for the EFI memory map
  *
@@ -317,33 +356,52 @@
 		     int *count)
 {
 	u64 efi_virt_base = EFI_RT_VIRTUAL_BASE;
-	efi_memory_desc_t *out = runtime_map;
+	efi_memory_desc_t *in, *prev = NULL, *out = runtime_map;
 	int l;
 
-	for (l = 0; l < map_size; l += desc_size) {
-		efi_memory_desc_t *in = (void *)memory_map + l;
+	/*
+	 * To work around potential issues with the Properties Table feature
+	 * introduced in UEFI 2.5, which may split PE/COFF executable images
+	 * in memory into several RuntimeServicesCode and RuntimeServicesData
+	 * regions, we need to preserve the relative offsets between adjacent
+	 * EFI_MEMORY_RUNTIME regions with the same memory type attributes.
+	 * The easiest way to find adjacent regions is to sort the memory map
+	 * before traversing it.
+	 */
+	sort(memory_map, map_size / desc_size, desc_size, cmp_mem_desc, NULL);
+
+	for (l = 0; l < map_size; l += desc_size, prev = in) {
 		u64 paddr, size;
 
+		in = (void *)memory_map + l;
 		if (!(in->attribute & EFI_MEMORY_RUNTIME))
 			continue;
 
+		paddr = in->phys_addr;
+		size = in->num_pages * EFI_PAGE_SIZE;
+
 		/*
 		 * Make the mapping compatible with 64k pages: this allows
 		 * a 4k page size kernel to kexec a 64k page size kernel and
 		 * vice versa.
 		 */
-		paddr = round_down(in->phys_addr, SZ_64K);
-		size = round_up(in->num_pages * EFI_PAGE_SIZE +
-				in->phys_addr - paddr, SZ_64K);
+		if (!regions_are_adjacent(prev, in) ||
+		    !regions_have_compatible_memory_type_attrs(prev, in)) {
 
-		/*
-		 * Avoid wasting memory on PTEs by choosing a virtual base that
-		 * is compatible with section mappings if this region has the
-		 * appropriate size and physical alignment. (Sections are 2 MB
-		 * on 4k granule kernels)
-		 */
-		if (IS_ALIGNED(in->phys_addr, SZ_2M) && size >= SZ_2M)
-			efi_virt_base = round_up(efi_virt_base, SZ_2M);
+			paddr = round_down(in->phys_addr, SZ_64K);
+			size += in->phys_addr - paddr;
+
+			/*
+			 * Avoid wasting memory on PTEs by choosing a virtual
+			 * base that is compatible with section mappings if this
+			 * region has the appropriate size and physical
+			 * alignment. (Sections are 2 MB on 4k granule kernels)
+			 */
+			if (IS_ALIGNED(in->phys_addr, SZ_2M) && size >= SZ_2M)
+				efi_virt_base = round_up(efi_virt_base, SZ_2M);
+			else
+				efi_virt_base = round_up(efi_virt_base, SZ_64K);
+		}
 
 		in->virt_addr = efi_virt_base + in->phys_addr - paddr;
 		efi_virt_base += size;
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index e334a01..6b6548f 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -5,10 +5,6 @@
 /* error code which can't be mistaken for valid address */
 #define EFI_ERROR	(~0UL)
 
-#undef memcpy
-#undef memset
-#undef memmove
-
 void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
 
 efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
diff --git a/drivers/firmware/qcom_scm-64.c b/drivers/firmware/qcom_scm-64.c
new file mode 100644
index 0000000..bb6555f
--- /dev/null
+++ b/drivers/firmware/qcom_scm-64.c
@@ -0,0 +1,63 @@
+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/io.h>
+#include <linux/errno.h>
+#include <linux/qcom_scm.h>
+
+/**
+ * qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus
+ * @entry: Entry point function for the cpus
+ * @cpus: The cpumask of cpus that will use the entry point
+ *
+ * Set the cold boot address of the cpus. Any cpu outside the supported
+ * range would be removed from the cpu present mask.
+ */
+int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
+{
+	return -ENOTSUPP;
+}
+
+/**
+ * qcom_scm_set_warm_boot_addr() - Set the warm boot address for cpus
+ * @entry: Entry point function for the cpus
+ * @cpus: The cpumask of cpus that will use the entry point
+ *
+ * Set the Linux entry point for the SCM to transfer control to when coming
+ * out of a power down. CPU power down may be executed on cpuidle or hotplug.
+ */
+int __qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus)
+{
+	return -ENOTSUPP;
+}
+
+/**
+ * qcom_scm_cpu_power_down() - Power down the cpu
+ * @flags - Flags to flush cache
+ *
+ * This is an end point to power down cpu. If there was a pending interrupt,
+ * the control would return from this function, otherwise, the cpu jumps to the
+ * warm boot entry point set for this cpu upon reset.
+ */
+void __qcom_scm_cpu_power_down(u32 flags)
+{
+}
+
+int __qcom_scm_is_call_available(u32 svc_id, u32 cmd_id)
+{
+	return -ENOTSUPP;
+}
+
+int __qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp)
+{
+	return -ENOTSUPP;
+}
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index b4fc9e4..8949b3f 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -356,7 +356,7 @@
 
 config GPIO_RCAR
 	tristate "Renesas R-Car GPIO"
-	depends on ARM && (ARCH_SHMOBILE || COMPILE_TEST)
+	depends on ARCH_SHMOBILE || COMPILE_TEST
 	select GPIOLIB_IRQCHIP
 	help
 	  Say yes here to support GPIO on Renesas R-Car SoCs.
diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
index 9b7e0b3d..1b44941 100644
--- a/drivers/gpio/gpio-altera.c
+++ b/drivers/gpio/gpio-altera.c
@@ -201,8 +201,7 @@
 	return 0;
 }
 
-static void altera_gpio_irq_edge_handler(unsigned int irq,
-					struct irq_desc *desc)
+static void altera_gpio_irq_edge_handler(struct irq_desc *desc)
 {
 	struct altera_gpio_chip *altera_gc;
 	struct irq_chip *chip;
@@ -231,8 +230,7 @@
 }
 
 
-static void altera_gpio_irq_leveL_high_handler(unsigned int irq,
-					      struct irq_desc *desc)
+static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc)
 {
 	struct altera_gpio_chip *altera_gc;
 	struct irq_chip *chip;
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index 31b90ac..33a1f97 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -433,7 +433,7 @@
 	return 0;
 }
 
-static void bcm_kona_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void bcm_kona_gpio_irq_handler(struct irq_desc *desc)
 {
 	void __iomem *reg_base;
 	int bit, bank_id;
diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index 9ea86d2..4c64627 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -236,7 +236,7 @@
 }
 
 /* Each UPG GIO block has one IRQ for all banks */
-static void brcmstb_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void brcmstb_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct brcmstb_gpio_priv *priv = brcmstb_gpio_gc_to_priv(gc);
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 94b0ab7..5e71538 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -326,8 +326,7 @@
 	.flags		= IRQCHIP_SET_TYPE_MASKED,
 };
 
-static void
-gpio_irq_handler(unsigned __irq, struct irq_desc *desc)
+static void gpio_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct davinci_gpio_regs __iomem *g;
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index c5be4b9..fcd5b0a 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -147,7 +147,7 @@
 	return ret;
 }
 
-static void dwapb_irq_handler(u32 irq, struct irq_desc *desc)
+static void dwapb_irq_handler(struct irq_desc *desc)
 {
 	struct dwapb_gpio *gpio = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c
index 9d90366..3e3947b 100644
--- a/drivers/gpio/gpio-ep93xx.c
+++ b/drivers/gpio/gpio-ep93xx.c
@@ -78,7 +78,7 @@
 		EP93XX_GPIO_REG(int_debounce_register_offset[port]));
 }
 
-static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ep93xx_gpio_ab_irq_handler(struct irq_desc *desc)
 {
 	unsigned char status;
 	int i;
@@ -100,8 +100,7 @@
 	}
 }
 
-static void ep93xx_gpio_f_irq_handler(unsigned int __irq,
-				      struct irq_desc *desc)
+static void ep93xx_gpio_f_irq_handler(struct irq_desc *desc)
 {
 	/*
 	 * map discontiguous hw irq range to continuous sw irq range:
diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c
index aa28c65..7009747 100644
--- a/drivers/gpio/gpio-intel-mid.c
+++ b/drivers/gpio/gpio-intel-mid.c
@@ -301,7 +301,7 @@
 };
 MODULE_DEVICE_TABLE(pci, intel_gpio_ids);
 
-static void intel_mid_irq_handler(unsigned irq, struct irq_desc *desc)
+static void intel_mid_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct intel_mid_gpio *priv = to_intel_gpio_priv(gc);
diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c
index 153af46..127c37b 100644
--- a/drivers/gpio/gpio-lynxpoint.c
+++ b/drivers/gpio/gpio-lynxpoint.c
@@ -234,7 +234,7 @@
 	return 0;
 }
 
-static void lp_gpio_irq_handler(unsigned hwirq, struct irq_desc *desc)
+static void lp_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 8ef7a12..48ef368 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -194,7 +194,7 @@
 		return -ENXIO;
 }
 
-static void mpc8xxx_gpio_irq_cascade(unsigned int irq, struct irq_desc *desc)
+static void mpc8xxx_gpio_irq_cascade(struct irq_desc *desc)
 {
 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c
index 7bcfb87..22523aa 100644
--- a/drivers/gpio/gpio-msic.c
+++ b/drivers/gpio/gpio-msic.c
@@ -232,7 +232,7 @@
 	.irq_bus_sync_unlock	= msic_bus_sync_unlock,
 };
 
-static void msic_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void msic_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct msic_gpio *mg = irq_data_get_irq_handler_data(data);
diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c
index d2012cf..4b42221 100644
--- a/drivers/gpio/gpio-msm-v2.c
+++ b/drivers/gpio/gpio-msm-v2.c
@@ -305,7 +305,7 @@
  * which have been set as summary IRQ lines and which are triggered,
  * and to call their interrupt handlers.
  */
-static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void msm_summary_irq_handler(struct irq_desc *desc)
 {
 	unsigned long i;
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index b396bf3..df418b8 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -458,7 +458,7 @@
 	return 0;
 }
 
-static void mvebu_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void mvebu_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct mvebu_gpio_chip *mvchip = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index b752b56..b8dd847 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -272,7 +272,7 @@
 }
 
 /* MX1 and MX3 has one interrupt *per* gpio port */
-static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mx3_gpio_irq_handler(struct irq_desc *desc)
 {
 	u32 irq_stat;
 	struct mxc_gpio_port *port = irq_desc_get_handler_data(desc);
@@ -288,7 +288,7 @@
 }
 
 /* MX2 has one interrupt *for all* gpio ports */
-static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mx2_gpio_irq_handler(struct irq_desc *desc)
 {
 	u32 irq_msk, irq_stat;
 	struct mxc_gpio_port *port;
@@ -339,13 +339,15 @@
 	return 0;
 }
 
-static void mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
+static int mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
 {
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
 
 	gc = irq_alloc_generic_chip("gpio-mxc", 1, irq_base,
 				    port->base, handle_level_irq);
+	if (!gc)
+		return -ENOMEM;
 	gc->private = port;
 
 	ct = gc->chip_types;
@@ -360,6 +362,8 @@
 
 	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
 			       IRQ_NOREQUEST, 0);
+
+	return 0;
 }
 
 static void mxc_gpio_get_hw(struct platform_device *pdev)
@@ -477,12 +481,16 @@
 	}
 
 	/* gpio-mxc can be a generic irq chip */
-	mxc_gpio_init_gc(port, irq_base);
+	err = mxc_gpio_init_gc(port, irq_base);
+	if (err < 0)
+		goto out_irqdomain_remove;
 
 	list_add_tail(&port->node, &mxc_gpio_ports);
 
 	return 0;
 
+out_irqdomain_remove:
+	irq_domain_remove(port->domain);
 out_irqdesc_free:
 	irq_free_descs(irq_base, 32);
 out_gpiochip_remove:
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index b7f383e..a4288f4 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -154,7 +154,7 @@
 }
 
 /* MXS has one interrupt *per* gpio port */
-static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mxs_gpio_irq_handler(struct irq_desc *desc)
 {
 	u32 irq_stat;
 	struct mxs_gpio_port *port = irq_desc_get_handler_data(desc);
@@ -196,13 +196,16 @@
 	return 0;
 }
 
-static void __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
+static int __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
 {
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
 
 	gc = irq_alloc_generic_chip("gpio-mxs", 1, irq_base,
 				    port->base, handle_level_irq);
+	if (!gc)
+		return -ENOMEM;
+
 	gc->private = port;
 
 	ct = gc->chip_types;
@@ -216,6 +219,8 @@
 
 	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
 			       IRQ_NOREQUEST, 0);
+
+	return 0;
 }
 
 static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
@@ -317,7 +322,9 @@
 	}
 
 	/* gpio-mxs can be a generic irq chip */
-	mxs_gpio_init_gc(port, irq_base);
+	err = mxs_gpio_init_gc(port, irq_base);
+	if (err < 0)
+		goto out_irqdomain_remove;
 
 	/* setup one handler for each entry */
 	irq_set_chained_handler_and_data(port->irq, mxs_gpio_irq_handler,
@@ -343,6 +350,8 @@
 
 out_bgpio_remove:
 	bgpio_remove(&port->bgc);
+out_irqdomain_remove:
+	irq_domain_remove(port->domain);
 out_irqdesc_free:
 	irq_free_descs(irq_base, 32);
 	return err;
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 2ae0d47..5236db1 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -709,7 +709,7 @@
  * line's interrupt handler has been run, we may miss some nested
  * interrupts.
  */
-static void omap_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void omap_gpio_irq_handler(struct irq_desc *desc)
 {
 	void __iomem *isr_reg = NULL;
 	u32 isr;
@@ -1098,7 +1098,6 @@
 	} else {
 		bank->chip.label = "gpio";
 		bank->chip.base = gpio;
-		gpio += bank->width;
 	}
 	bank->chip.ngpio = bank->width;
 
@@ -1108,6 +1107,9 @@
 		return ret;
 	}
 
+	if (!bank->is_mpuio)
+		gpio += bank->width;
+
 #ifdef CONFIG_ARCH_OMAP1
 	/*
 	 * REVISIT: Once we have OMAP1 supporting SPARSE_IRQ, we can drop
@@ -1253,8 +1255,11 @@
 	omap_gpio_mod_init(bank);
 
 	ret = omap_gpio_chip_init(bank, irqc);
-	if (ret)
+	if (ret) {
+		pm_runtime_put_sync(bank->dev);
+		pm_runtime_disable(bank->dev);
 		return ret;
+	}
 
 	omap_gpio_show_rev(bank);
 
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 0475613..229ef65 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -187,7 +187,7 @@
 	return 0;
 }
 
-static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
+static void pl061_irq_handler(struct irq_desc *desc)
 {
 	unsigned long pending;
 	int offset;
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 55a11de..df2ce55 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -401,7 +401,7 @@
 	return 0;
 }
 
-static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
+static void pxa_gpio_demux_handler(struct irq_desc *desc)
 {
 	struct pxa_gpio_chip *c;
 	int loop, gpio, gpio_base, n;
diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c
index 67bd2f5..990fa90 100644
--- a/drivers/gpio/gpio-sa1100.c
+++ b/drivers/gpio/gpio-sa1100.c
@@ -172,8 +172,7 @@
  * irq_controller_lock held, and IRQs disabled.  Decode the IRQ
  * and call the handler.
  */
-static void
-sa1100_gpio_handler(unsigned int __irq, struct irq_desc *desc)
+static void sa1100_gpio_handler(struct irq_desc *desc)
 {
 	unsigned int irq, mask;
 
diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index 458d9d7..9c6b967 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -706,4 +706,3 @@
 MODULE_AUTHOR("Gregory Bean <gbean@codeaurora.org>");
 MODULE_DESCRIPTION("Driver for Semtech SX150X I2C GPIO Expanders");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("i2c:sx150x");
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 9b14aaf..027e5f4 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -266,7 +266,7 @@
 	gpiochip_unlock_as_irq(&tegra_gpio_chip, gpio);
 }
 
-static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void tegra_gpio_irq_handler(struct irq_desc *desc)
 {
 	int port;
 	int pin;
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index 5a49205..30653e6 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -192,7 +192,7 @@
 	return ret;
 }
 
-static void timbgpio_irq(unsigned int irq, struct irq_desc *desc)
+static void timbgpio_irq(struct irq_desc *desc)
 {
 	struct timbgpio *tgpio = irq_desc_get_handler_data(desc);
 	struct irq_data *data = irq_desc_get_irq_data(desc);
diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c
index bbac92a..87bb1b1 100644
--- a/drivers/gpio/gpio-tz1090.c
+++ b/drivers/gpio/gpio-tz1090.c
@@ -375,7 +375,7 @@
 #define gpio_set_irq_wake NULL
 #endif
 
-static void tz1090_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void tz1090_gpio_irq_handler(struct irq_desc *desc)
 {
 	irq_hw_number_t hw;
 	unsigned int irq_stat, irq_no;
@@ -400,7 +400,7 @@
 				== IRQ_TYPE_EDGE_BOTH)
 			tz1090_gpio_irq_next_edge(bank, hw);
 
-		generic_handle_irq_desc(irq_no, child_desc);
+		generic_handle_irq_desc(child_desc);
 	}
 }
 
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 3d5714d..069f9e4 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -120,7 +120,7 @@
 	return pinctrl_gpio_direction_output(chip->base + gpio);
 }
 
-static void vf610_gpio_irq_handler(u32 irq, struct irq_desc *desc)
+static void vf610_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct vf610_gpio_port *port = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -176,9 +176,9 @@
 	port->irqc[d->hwirq] = irqc;
 
 	if (type & IRQ_TYPE_LEVEL_MASK)
-		__irq_set_handler_locked(d->irq, handle_level_irq);
+		irq_set_handler_locked(d, handle_level_irq);
 	else
-		__irq_set_handler_locked(d->irq, handle_edge_irq);
+		irq_set_handler_locked(d, handle_edge_irq);
 
 	return 0;
 }
diff --git a/drivers/gpio/gpio-zx.c b/drivers/gpio/gpio-zx.c
index 12ee196..4b8a269 100644
--- a/drivers/gpio/gpio-zx.c
+++ b/drivers/gpio/gpio-zx.c
@@ -177,7 +177,7 @@
 	return 0;
 }
 
-static void zx_irq_handler(unsigned irq, struct irq_desc *desc)
+static void zx_irq_handler(struct irq_desc *desc)
 {
 	unsigned long pending;
 	int offset;
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 27348e7..1d1a586 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -514,7 +514,7 @@
  * application for that pin.
  * Note: A bug is reported if no handler is set for the gpio pin.
  */
-static void zynq_gpio_irqhandler(unsigned int irq, struct irq_desc *desc)
+static void zynq_gpio_irqhandler(struct irq_desc *desc)
 {
 	u32 int_sts, int_enb;
 	unsigned int bank_num;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 980c1f8..5db3445 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1174,15 +1174,16 @@
  * that the GPIO was actually requested.
  */
 
-static bool _gpiod_get_raw_value(const struct gpio_desc *desc)
+static int _gpiod_get_raw_value(const struct gpio_desc *desc)
 {
 	struct gpio_chip	*chip;
-	bool value;
 	int offset;
+	int value;
 
 	chip = desc->chip;
 	offset = gpio_chip_hwgpio(desc);
-	value = chip->get ? chip->get(chip, offset) : false;
+	value = chip->get ? chip->get(chip, offset) : -EIO;
+	value = value < 0 ? value : !!value;
 	trace_gpio_value(desc_to_gpio(desc), 1, value);
 	return value;
 }
@@ -1192,7 +1193,7 @@
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's raw value, i.e. the value of the physical line disregarding
- * its ACTIVE_LOW status.
+ * its ACTIVE_LOW status, or negative errno on failure.
  *
  * This function should be called from contexts where we cannot sleep, and will
  * complain if the GPIO chip functions potentially sleep.
@@ -1212,7 +1213,7 @@
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's logical value, i.e. taking the ACTIVE_LOW status into
- * account.
+ * account, or negative errno on failure.
  *
  * This function should be called from contexts where we cannot sleep, and will
  * complain if the GPIO chip functions potentially sleep.
@@ -1226,6 +1227,9 @@
 	WARN_ON(desc->chip->can_sleep);
 
 	value = _gpiod_get_raw_value(desc);
+	if (value < 0)
+		return value;
+
 	if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
 		value = !value;
 
@@ -1548,7 +1552,7 @@
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's raw value, i.e. the value of the physical line disregarding
- * its ACTIVE_LOW status.
+ * its ACTIVE_LOW status, or negative errno on failure.
  *
  * This function is to be called from contexts that can sleep.
  */
@@ -1566,7 +1570,7 @@
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's logical value, i.e. taking the ACTIVE_LOW status into
- * account.
+ * account, or negative errno on failure.
  *
  * This function is to be called from contexts that can sleep.
  */
@@ -1579,6 +1583,9 @@
 		return 0;
 
 	value = _gpiod_get_raw_value(desc);
+	if (value < 0)
+		return value;
+
 	if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
 		value = !value;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 668939a..6647fb2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -82,6 +82,7 @@
 extern int amdgpu_enable_scheduler;
 extern int amdgpu_sched_jobs;
 extern int amdgpu_sched_hw_submission;
+extern int amdgpu_enable_semaphores;
 
 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
@@ -432,7 +433,7 @@
 void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
 void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
 
-void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
 				   struct amdgpu_irq_src *irq_src,
 				   unsigned irq_type);
@@ -890,7 +891,7 @@
 	struct amdgpu_device		*adev;
 	const struct amdgpu_ring_funcs	*funcs;
 	struct amdgpu_fence_driver	fence_drv;
-	struct amd_gpu_scheduler 	*scheduler;
+	struct amd_gpu_scheduler 	sched;
 
 	spinlock_t              fence_lock;
 	struct mutex		*ring_lock;
@@ -1201,8 +1202,6 @@
 	struct amdgpu_irq_src		priv_inst_irq;
 	/* gfx status */
 	uint32_t gfx_current_status;
-	/* sync signal for const engine */
-	unsigned ce_sync_offs;
 	/* ce ram size*/
 	unsigned ce_ram_size;
 };
@@ -1274,8 +1273,10 @@
 	uint32_t		num_ibs;
 	struct mutex            job_lock;
 	struct amdgpu_user_fence uf;
-	int (*free_job)(struct amdgpu_job *sched_job);
+	int (*free_job)(struct amdgpu_job *job);
 };
+#define to_amdgpu_job(sched_job)		\
+		container_of((sched_job), struct amdgpu_job, base)
 
 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 496ed21..84d68d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -183,7 +183,7 @@
 		return -ENOMEM;
 
 	r = amdgpu_bo_create(rdev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT,
-			AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, &(*mem)->bo);
+			     AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, NULL, &(*mem)->bo);
 	if (r) {
 		dev_err(rdev->dev,
 			"failed to allocate BO for amdkfd (%d)\n", r);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
index 98d59ee..cd639c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
@@ -79,7 +79,8 @@
 	int time;
 
 	n = AMDGPU_BENCHMARK_ITERATIONS;
-	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj);
+	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL,
+			     NULL, &sobj);
 	if (r) {
 		goto out_cleanup;
 	}
@@ -91,7 +92,8 @@
 	if (r) {
 		goto out_cleanup;
 	}
-	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj);
+	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL,
+			     NULL, &dobj);
 	if (r) {
 		goto out_cleanup;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 6b1243f..8e99514 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -86,7 +86,7 @@
 
 	struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages);
 	ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false,
-			       AMDGPU_GEM_DOMAIN_GTT, 0, sg, &bo);
+			       AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo);
 	if (ret)
 		return ret;
 	ret = amdgpu_bo_reserve(bo, false);
@@ -197,7 +197,8 @@
 
 	ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE,
 					  true, domain, flags,
-					  NULL, &placement, &obj);
+					  NULL, &placement, NULL,
+					  &obj);
 	if (ret) {
 		DRM_ERROR("(%d) bo create failed\n", ret);
 		return ret;
@@ -207,44 +208,6 @@
 	return ret;
 }
 
-static int amdgpu_cgs_import_gpu_mem(void *cgs_device, int dmabuf_fd,
-				     cgs_handle_t *handle)
-{
-	CGS_FUNC_ADEV;
-	int r;
-	uint32_t dma_handle;
-	struct drm_gem_object *obj;
-	struct amdgpu_bo *bo;
-	struct drm_device *dev = adev->ddev;
-	struct drm_file *file_priv = NULL, *priv;
-
-	mutex_lock(&dev->struct_mutex);
-	list_for_each_entry(priv, &dev->filelist, lhead) {
-		rcu_read_lock();
-		if (priv->pid == get_pid(task_pid(current)))
-			file_priv = priv;
-		rcu_read_unlock();
-		if (file_priv)
-			break;
-	}
-	mutex_unlock(&dev->struct_mutex);
-	r = dev->driver->prime_fd_to_handle(dev,
-					    file_priv, dmabuf_fd,
-					    &dma_handle);
-	spin_lock(&file_priv->table_lock);
-
-	/* Check if we currently have a reference on the object */
-	obj = idr_find(&file_priv->object_idr, dma_handle);
-	if (obj == NULL) {
-		spin_unlock(&file_priv->table_lock);
-		return -EINVAL;
-	}
-	spin_unlock(&file_priv->table_lock);
-	bo = gem_to_amdgpu_bo(obj);
-	*handle = (cgs_handle_t)bo;
-	return 0;
-}
-
 static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle)
 {
 	struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
@@ -809,7 +772,6 @@
 };
 
 static const struct cgs_os_ops amdgpu_cgs_os_ops = {
-	amdgpu_cgs_import_gpu_mem,
 	amdgpu_cgs_add_irq_source,
 	amdgpu_cgs_irq_get,
 	amdgpu_cgs_irq_put
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 3b355ae..cb3c274 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -154,42 +154,42 @@
 {
 	union drm_amdgpu_cs *cs = data;
 	uint64_t *chunk_array_user;
-	uint64_t *chunk_array = NULL;
+	uint64_t *chunk_array;
 	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
-	unsigned size, i;
-	int r = 0;
+	unsigned size;
+	int i;
+	int ret;
 
-	if (!cs->in.num_chunks)
-		goto out;
+	if (cs->in.num_chunks == 0)
+		return 0;
+
+	chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL);
+	if (!chunk_array)
+		return -ENOMEM;
 
 	p->ctx = amdgpu_ctx_get(fpriv, cs->in.ctx_id);
 	if (!p->ctx) {
-		r = -EINVAL;
-		goto out;
+		ret = -EINVAL;
+		goto free_chunk;
 	}
+
 	p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle);
 
 	/* get chunks */
 	INIT_LIST_HEAD(&p->validated);
-	chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL);
-	if (chunk_array == NULL) {
-		r = -ENOMEM;
-		goto out;
-	}
-
 	chunk_array_user = (uint64_t __user *)(cs->in.chunks);
 	if (copy_from_user(chunk_array, chunk_array_user,
 			   sizeof(uint64_t)*cs->in.num_chunks)) {
-		r = -EFAULT;
-		goto out;
+		ret = -EFAULT;
+		goto put_bo_list;
 	}
 
 	p->nchunks = cs->in.num_chunks;
 	p->chunks = kmalloc_array(p->nchunks, sizeof(struct amdgpu_cs_chunk),
 			    GFP_KERNEL);
-	if (p->chunks == NULL) {
-		r = -ENOMEM;
-		goto out;
+	if (!p->chunks) {
+		ret = -ENOMEM;
+		goto put_bo_list;
 	}
 
 	for (i = 0; i < p->nchunks; i++) {
@@ -200,8 +200,9 @@
 		chunk_ptr = (void __user *)chunk_array[i];
 		if (copy_from_user(&user_chunk, chunk_ptr,
 				       sizeof(struct drm_amdgpu_cs_chunk))) {
-			r = -EFAULT;
-			goto out;
+			ret = -EFAULT;
+			i--;
+			goto free_partial_kdata;
 		}
 		p->chunks[i].chunk_id = user_chunk.chunk_id;
 		p->chunks[i].length_dw = user_chunk.length_dw;
@@ -212,13 +213,14 @@
 
 		p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t));
 		if (p->chunks[i].kdata == NULL) {
-			r = -ENOMEM;
-			goto out;
+			ret = -ENOMEM;
+			i--;
+			goto free_partial_kdata;
 		}
 		size *= sizeof(uint32_t);
 		if (copy_from_user(p->chunks[i].kdata, cdata, size)) {
-			r = -EFAULT;
-			goto out;
+			ret = -EFAULT;
+			goto free_partial_kdata;
 		}
 
 		switch (p->chunks[i].chunk_id) {
@@ -238,15 +240,15 @@
 				gobj = drm_gem_object_lookup(p->adev->ddev,
 							     p->filp, handle);
 				if (gobj == NULL) {
-					r = -EINVAL;
-					goto out;
+					ret = -EINVAL;
+					goto free_partial_kdata;
 				}
 
 				p->uf.bo = gem_to_amdgpu_bo(gobj);
 				p->uf.offset = fence_data->offset;
 			} else {
-				r = -EINVAL;
-				goto out;
+				ret = -EINVAL;
+				goto free_partial_kdata;
 			}
 			break;
 
@@ -254,19 +256,35 @@
 			break;
 
 		default:
-			r = -EINVAL;
-			goto out;
+			ret = -EINVAL;
+			goto free_partial_kdata;
 		}
 	}
 
 
 	p->ibs = kcalloc(p->num_ibs, sizeof(struct amdgpu_ib), GFP_KERNEL);
-	if (!p->ibs)
-		r = -ENOMEM;
+	if (!p->ibs) {
+		ret = -ENOMEM;
+		goto free_all_kdata;
+	}
 
-out:
 	kfree(chunk_array);
-	return r;
+	return 0;
+
+free_all_kdata:
+	i = p->nchunks - 1;
+free_partial_kdata:
+	for (; i >= 0; i--)
+		drm_free_large(p->chunks[i].kdata);
+	kfree(p->chunks);
+put_bo_list:
+	if (p->bo_list)
+		amdgpu_bo_list_put(p->bo_list);
+	amdgpu_ctx_put(p->ctx);
+free_chunk:
+	kfree(chunk_array);
+
+	return ret;
 }
 
 /* Returns how many bytes TTM can move per IB.
@@ -321,25 +339,17 @@
 	return max(bytes_moved_threshold, 1024*1024ull);
 }
 
-int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p)
+int amdgpu_cs_list_validate(struct amdgpu_device *adev,
+			    struct amdgpu_vm *vm,
+			    struct list_head *validated)
 {
-	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
-	struct amdgpu_vm *vm = &fpriv->vm;
-	struct amdgpu_device *adev = p->adev;
 	struct amdgpu_bo_list_entry *lobj;
-	struct list_head duplicates;
 	struct amdgpu_bo *bo;
 	u64 bytes_moved = 0, initial_bytes_moved;
 	u64 bytes_moved_threshold = amdgpu_cs_get_threshold_for_moves(adev);
 	int r;
 
-	INIT_LIST_HEAD(&duplicates);
-	r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates);
-	if (unlikely(r != 0)) {
-		return r;
-	}
-
-	list_for_each_entry(lobj, &p->validated, tv.head) {
+	list_for_each_entry(lobj, validated, tv.head) {
 		bo = lobj->robj;
 		if (!bo->pin_count) {
 			u32 domain = lobj->prefered_domains;
@@ -373,7 +383,6 @@
 					domain = lobj->allowed_domains;
 					goto retry;
 				}
-				ttm_eu_backoff_reservation(&p->ticket, &p->validated);
 				return r;
 			}
 		}
@@ -386,6 +395,7 @@
 {
 	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
 	struct amdgpu_cs_buckets buckets;
+	struct list_head duplicates;
 	bool need_mmap_lock = false;
 	int i, r;
 
@@ -405,8 +415,22 @@
 	if (need_mmap_lock)
 		down_read(&current->mm->mmap_sem);
 
-	r = amdgpu_cs_list_validate(p);
+	INIT_LIST_HEAD(&duplicates);
+	r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates);
+	if (unlikely(r != 0))
+		goto error_reserve;
 
+	r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &p->validated);
+	if (r)
+		goto error_validate;
+
+	r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates);
+
+error_validate:
+	if (r)
+		ttm_eu_backoff_reservation(&p->ticket, &p->validated);
+
+error_reserve:
 	if (need_mmap_lock)
 		up_read(&current->mm->mmap_sem);
 
@@ -772,15 +796,15 @@
 	return 0;
 }
 
-static int amdgpu_cs_free_job(struct amdgpu_job *sched_job)
+static int amdgpu_cs_free_job(struct amdgpu_job *job)
 {
 	int i;
-	if (sched_job->ibs)
-		for (i = 0; i < sched_job->num_ibs; i++)
-			amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]);
-	kfree(sched_job->ibs);
-	if (sched_job->uf.bo)
-		drm_gem_object_unreference_unlocked(&sched_job->uf.bo->gem_base);
+	if (job->ibs)
+		for (i = 0; i < job->num_ibs; i++)
+			amdgpu_ib_free(job->adev, &job->ibs[i]);
+	kfree(job->ibs);
+	if (job->uf.bo)
+		drm_gem_object_unreference_unlocked(&job->uf.bo->gem_base);
 	return 0;
 }
 
@@ -804,7 +828,7 @@
 	r = amdgpu_cs_parser_init(parser, data);
 	if (r) {
 		DRM_ERROR("Failed to initialize parser !\n");
-		amdgpu_cs_parser_fini(parser, r, false);
+		kfree(parser);
 		up_read(&adev->exclusive_lock);
 		r = amdgpu_cs_handle_lockup(adev, r);
 		return r;
@@ -842,7 +866,7 @@
 		job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
 		if (!job)
 			return -ENOMEM;
-		job->base.sched = ring->scheduler;
+		job->base.sched = &ring->sched;
 		job->base.s_entity = &parser->ctx->rings[ring->idx].entity;
 		job->adev = parser->adev;
 		job->ibs = parser->ibs;
@@ -857,7 +881,7 @@
 
 		job->free_job = amdgpu_cs_free_job;
 		mutex_lock(&job->job_lock);
-		r = amd_sched_entity_push_job((struct amd_sched_job *)job);
+		r = amd_sched_entity_push_job(&job->base);
 		if (r) {
 			mutex_unlock(&job->job_lock);
 			amdgpu_cs_free_job(job);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 20cbc4e..e0b80cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -43,10 +43,10 @@
 		for (i = 0; i < adev->num_rings; i++) {
 			struct amd_sched_rq *rq;
 			if (kernel)
-				rq = &adev->rings[i]->scheduler->kernel_rq;
+				rq = &adev->rings[i]->sched.kernel_rq;
 			else
-				rq = &adev->rings[i]->scheduler->sched_rq;
-			r = amd_sched_entity_init(adev->rings[i]->scheduler,
+				rq = &adev->rings[i]->sched.sched_rq;
+			r = amd_sched_entity_init(&adev->rings[i]->sched,
 						  &ctx->rings[i].entity,
 						  rq, amdgpu_sched_jobs);
 			if (r)
@@ -55,7 +55,7 @@
 
 		if (i < adev->num_rings) {
 			for (j = 0; j < i; j++)
-				amd_sched_entity_fini(adev->rings[j]->scheduler,
+				amd_sched_entity_fini(&adev->rings[j]->sched,
 						      &ctx->rings[j].entity);
 			kfree(ctx);
 			return r;
@@ -75,7 +75,7 @@
 
 	if (amdgpu_enable_scheduler) {
 		for (i = 0; i < adev->num_rings; i++)
-			amd_sched_entity_fini(adev->rings[i]->scheduler,
+			amd_sched_entity_fini(&adev->rings[i]->sched,
 					      &ctx->rings[i].entity);
 	}
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6ff6ae9..6068d82 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -246,7 +246,7 @@
 		r = amdgpu_bo_create(adev, AMDGPU_GPU_PAGE_SIZE,
 				     PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
 				     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-				     NULL, &adev->vram_scratch.robj);
+				     NULL, NULL, &adev->vram_scratch.robj);
 		if (r) {
 			return r;
 		}
@@ -449,7 +449,8 @@
 
 	if (adev->wb.wb_obj == NULL) {
 		r = amdgpu_bo_create(adev, AMDGPU_MAX_WB * 4, PAGE_SIZE, true,
-				     AMDGPU_GEM_DOMAIN_GTT, 0,  NULL, &adev->wb.wb_obj);
+				     AMDGPU_GEM_DOMAIN_GTT, 0,  NULL, NULL,
+				     &adev->wb.wb_obj);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create WB bo failed\n", r);
 			return r;
@@ -1650,9 +1651,11 @@
 	drm_kms_helper_poll_disable(dev);
 
 	/* turn off display hw */
+	drm_modeset_lock_all(dev);
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 	}
+	drm_modeset_unlock_all(dev);
 
 	/* unpin the front buffers */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -1747,9 +1750,11 @@
 	if (fbcon) {
 		drm_helper_resume_force_mode(dev);
 		/* turn on display hw */
+		drm_modeset_lock_all(dev);
 		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 		}
+		drm_modeset_unlock_all(dev);
 	}
 
 	drm_kms_helper_poll_enable(dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 0fcc0bd..adb4835 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -79,6 +79,7 @@
 int amdgpu_enable_scheduler = 0;
 int amdgpu_sched_jobs = 16;
 int amdgpu_sched_hw_submission = 2;
+int amdgpu_enable_semaphores = 1;
 
 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -152,6 +153,9 @@
 MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
 module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
 
+MODULE_PARM_DESC(enable_semaphores, "Enable semaphores (1 = enable (default), 0 = disable)");
+module_param_named(enable_semaphores, amdgpu_enable_semaphores, int, 0644);
+
 static struct pci_device_id pciidlist[] = {
 #ifdef CONFIG_DRM_AMDGPU_CIK
 	/* Kaveri */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 1be2bd6..b3fc26c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -609,9 +609,9 @@
  * Init the fence driver for the requested ring (all asics).
  * Helper function for amdgpu_fence_driver_init().
  */
-void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
 {
-	int i;
+	int i, r;
 
 	ring->fence_drv.cpu_addr = NULL;
 	ring->fence_drv.gpu_addr = 0;
@@ -625,15 +625,19 @@
 			amdgpu_fence_check_lockup);
 	ring->fence_drv.ring = ring;
 
+	init_waitqueue_head(&ring->fence_drv.fence_queue);
+
 	if (amdgpu_enable_scheduler) {
-		ring->scheduler = amd_sched_create(&amdgpu_sched_ops,
-						   ring->idx,
-						   amdgpu_sched_hw_submission,
-						   (void *)ring->adev);
-		if (!ring->scheduler)
-			DRM_ERROR("Failed to create scheduler on ring %d.\n",
-				  ring->idx);
+		r = amd_sched_init(&ring->sched, &amdgpu_sched_ops,
+				   amdgpu_sched_hw_submission, ring->name);
+		if (r) {
+			DRM_ERROR("Failed to create scheduler on ring %s.\n",
+				  ring->name);
+			return r;
+		}
 	}
+
+	return 0;
 }
 
 /**
@@ -681,8 +685,7 @@
 		wake_up_all(&ring->fence_drv.fence_queue);
 		amdgpu_irq_put(adev, ring->fence_drv.irq_src,
 			       ring->fence_drv.irq_type);
-		if (ring->scheduler)
-			amd_sched_destroy(ring->scheduler);
+		amd_sched_fini(&ring->sched);
 		ring->fence_drv.initialized = false;
 	}
 	mutex_unlock(&adev->ring_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index cbd3a48..7312d72 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -127,7 +127,7 @@
 		r = amdgpu_bo_create(adev, adev->gart.table_size,
 				     PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
 				     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-				     NULL, &adev->gart.robj);
+				     NULL, NULL, &adev->gart.robj);
 		if (r) {
 			return r;
 		}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 5839fab..7297ca3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -69,7 +69,8 @@
 		}
 	}
 retry:
-	r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain, flags, NULL, &robj);
+	r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain,
+			     flags, NULL, NULL, &robj);
 	if (r) {
 		if (r != -ERESTARTSYS) {
 			if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
@@ -426,6 +427,10 @@
 					   &args->data.data_size_bytes,
 					   &args->data.flags);
 	} else if (args->op == AMDGPU_GEM_METADATA_OP_SET_METADATA) {
+		if (args->data.data_size_bytes > sizeof(args->data.data)) {
+			r = -EINVAL;
+			goto unreserve;
+		}
 		r = amdgpu_bo_set_tiling_flags(robj, args->data.tiling_info);
 		if (!r)
 			r = amdgpu_bo_set_metadata(robj, args->data.data,
@@ -433,6 +438,7 @@
 						   args->data.flags);
 	}
 
+unreserve:
 	amdgpu_bo_unreserve(robj);
 out:
 	drm_gem_object_unreference_unlocked(gobj);
@@ -454,11 +460,12 @@
 	struct ttm_validate_buffer tv, *entry;
 	struct amdgpu_bo_list_entry *vm_bos;
 	struct ww_acquire_ctx ticket;
-	struct list_head list;
+	struct list_head list, duplicates;
 	unsigned domain;
 	int r;
 
 	INIT_LIST_HEAD(&list);
+	INIT_LIST_HEAD(&duplicates);
 
 	tv.bo = &bo_va->bo->tbo;
 	tv.shared = true;
@@ -468,7 +475,8 @@
 	if (!vm_bos)
 		return;
 
-	r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
+	/* Provide duplicates to avoid -EALREADY */
+	r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates);
 	if (r)
 		goto error_free;
 
@@ -651,7 +659,7 @@
 	int r;
 
 	args->pitch = amdgpu_align_pitch(adev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
-	args->size = args->pitch * args->height;
+	args->size = (u64)args->pitch * args->height;
 	args->size = ALIGN(args->size, PAGE_SIZE);
 
 	r = amdgpu_gem_object_create(adev, args->size, 0,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index 5c8a803..534fc04 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -43,7 +43,7 @@
 		r = amdgpu_bo_create(adev, adev->irq.ih.ring_size,
 				     PAGE_SIZE, true,
 				     AMDGPU_GEM_DOMAIN_GTT, 0,
-				     NULL, &adev->irq.ih.ring_obj);
+				     NULL, NULL, &adev->irq.ih.ring_obj);
 		if (r) {
 			DRM_ERROR("amdgpu: failed to create ih ring buffer (%d).\n", r);
 			return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 0aba8e9..7c42ff6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -140,7 +140,7 @@
  */
 int amdgpu_irq_postinstall(struct drm_device *dev)
 {
-	dev->max_vblank_count = 0x001fffff;
+	dev->max_vblank_count = 0x00ffffff;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 2236793..8c735f54 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -390,7 +390,7 @@
 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
 	}
 	case AMDGPU_INFO_READ_MMR_REG: {
-		unsigned n, alloc_size = info->read_mmr_reg.count * 4;
+		unsigned n, alloc_size;
 		uint32_t *regs;
 		unsigned se_num = (info->read_mmr_reg.instance >>
 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
@@ -406,9 +406,10 @@
 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
 			sh_num = 0xffffffff;
 
-		regs = kmalloc(alloc_size, GFP_KERNEL);
+		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
 		if (!regs)
 			return -ENOMEM;
+		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
 
 		for (i = 0; i < info->read_mmr_reg.count; i++)
 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 08b09d5..1a7708f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -215,6 +215,7 @@
 				bool kernel, u32 domain, u64 flags,
 				struct sg_table *sg,
 				struct ttm_placement *placement,
+				struct reservation_object *resv,
 				struct amdgpu_bo **bo_ptr)
 {
 	struct amdgpu_bo *bo;
@@ -261,7 +262,7 @@
 	/* Kernel allocation are uninterruptible */
 	r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type,
 			&bo->placement, page_align, !kernel, NULL,
-			acc_size, sg, NULL, &amdgpu_ttm_bo_destroy);
+			acc_size, sg, resv, &amdgpu_ttm_bo_destroy);
 	if (unlikely(r != 0)) {
 		return r;
 	}
@@ -275,7 +276,9 @@
 int amdgpu_bo_create(struct amdgpu_device *adev,
 		     unsigned long size, int byte_align,
 		     bool kernel, u32 domain, u64 flags,
-		     struct sg_table *sg, struct amdgpu_bo **bo_ptr)
+		     struct sg_table *sg,
+		     struct reservation_object *resv,
+		     struct amdgpu_bo **bo_ptr)
 {
 	struct ttm_placement placement = {0};
 	struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1];
@@ -286,11 +289,9 @@
 	amdgpu_ttm_placement_init(adev, &placement,
 				  placements, domain, flags);
 
-	return amdgpu_bo_create_restricted(adev, size, byte_align,
-					   kernel, domain, flags,
-					   sg,
-					   &placement,
-					   bo_ptr);
+	return amdgpu_bo_create_restricted(adev, size, byte_align, kernel,
+					   domain, flags, sg, &placement,
+					   resv, bo_ptr);
 }
 
 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
@@ -535,12 +536,10 @@
 	if (metadata == NULL)
 		return -EINVAL;
 
-	buffer = kzalloc(metadata_size, GFP_KERNEL);
+	buffer = kmemdup(metadata, metadata_size, GFP_KERNEL);
 	if (buffer == NULL)
 		return -ENOMEM;
 
-	memcpy(buffer, metadata, metadata_size);
-
 	kfree(bo->metadata);
 	bo->metadata_flags = flags;
 	bo->metadata = buffer;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 6ea18dc..3c2ff45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -129,12 +129,14 @@
 			    unsigned long size, int byte_align,
 			    bool kernel, u32 domain, u64 flags,
 			    struct sg_table *sg,
+			    struct reservation_object *resv,
 			    struct amdgpu_bo **bo_ptr);
 int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
 				unsigned long size, int byte_align,
 				bool kernel, u32 domain, u64 flags,
 				struct sg_table *sg,
 				struct ttm_placement *placement,
+			        struct reservation_object *resv,
 				struct amdgpu_bo **bo_ptr);
 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
index d9652fe..59f735a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
@@ -61,12 +61,15 @@
 							struct dma_buf_attachment *attach,
 							struct sg_table *sg)
 {
+	struct reservation_object *resv = attach->dmabuf->resv;
 	struct amdgpu_device *adev = dev->dev_private;
 	struct amdgpu_bo *bo;
 	int ret;
 
+	ww_mutex_lock(&resv->lock, NULL);
 	ret = amdgpu_bo_create(adev, attach->dmabuf->size, PAGE_SIZE, false,
-			       AMDGPU_GEM_DOMAIN_GTT, 0, sg, &bo);
+			       AMDGPU_GEM_DOMAIN_GTT, 0, sg, resv, &bo);
+	ww_mutex_unlock(&resv->lock);
 	if (ret)
 		return ERR_PTR(ret);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 9bec914..30dce23 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -357,11 +357,11 @@
 		ring->adev = adev;
 		ring->idx = adev->num_rings++;
 		adev->rings[ring->idx] = ring;
-		amdgpu_fence_driver_init_ring(ring);
+		r = amdgpu_fence_driver_init_ring(ring);
+		if (r)
+			return r;
 	}
 
-	init_waitqueue_head(&ring->fence_drv.fence_queue);
-
 	r = amdgpu_wb_get(adev, &ring->rptr_offs);
 	if (r) {
 		dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r);
@@ -407,7 +407,7 @@
 	if (ring->ring_obj == NULL) {
 		r = amdgpu_bo_create(adev, ring->ring_size, PAGE_SIZE, true,
 				     AMDGPU_GEM_DOMAIN_GTT, 0,
-				     NULL, &ring->ring_obj);
+				     NULL, NULL, &ring->ring_obj);
 		if (r) {
 			dev_err(adev->dev, "(%d) ring create failed\n", r);
 			return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
index 74dad27..e907124 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
@@ -64,8 +64,8 @@
 		INIT_LIST_HEAD(&sa_manager->flist[i]);
 	}
 
-	r = amdgpu_bo_create(adev, size, align, true,
-			     domain, 0, NULL, &sa_manager->bo);
+	r = amdgpu_bo_create(adev, size, align, true, domain,
+			     0, NULL, NULL, &sa_manager->bo);
 	if (r) {
 		dev_err(adev->dev, "(%d) failed to allocate bo for manager\n", r);
 		return r;
@@ -145,8 +145,13 @@
 	struct amd_sched_fence *s_fence;
 
 	s_fence = to_amd_sched_fence(f);
-	if (s_fence)
-		return s_fence->scheduler->ring_id;
+	if (s_fence) {
+		struct amdgpu_ring *ring;
+
+		ring = container_of(s_fence->sched, struct amdgpu_ring, sched);
+		return ring->idx;
+	}
+
 	a_fence = to_amdgpu_fence(f);
 	if (a_fence)
 		return a_fence->ring->idx;
@@ -412,6 +417,26 @@
 }
 
 #if defined(CONFIG_DEBUG_FS)
+
+static void amdgpu_sa_bo_dump_fence(struct fence *fence, struct seq_file *m)
+{
+	struct amdgpu_fence *a_fence = to_amdgpu_fence(fence);
+	struct amd_sched_fence *s_fence = to_amd_sched_fence(fence);
+
+	if (a_fence)
+		seq_printf(m, " protected by 0x%016llx on ring %d",
+			   a_fence->seq, a_fence->ring->idx);
+
+	if (s_fence) {
+		struct amdgpu_ring *ring;
+
+
+		ring = container_of(s_fence->sched, struct amdgpu_ring, sched);
+		seq_printf(m, " protected by 0x%016x on ring %d",
+			   s_fence->base.seqno, ring->idx);
+	}
+}
+
 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
 				  struct seq_file *m)
 {
@@ -428,18 +453,8 @@
 		}
 		seq_printf(m, "[0x%010llx 0x%010llx] size %8lld",
 			   soffset, eoffset, eoffset - soffset);
-		if (i->fence) {
-			struct amdgpu_fence *a_fence = to_amdgpu_fence(i->fence);
-			struct amd_sched_fence *s_fence = to_amd_sched_fence(i->fence);
-			if (a_fence)
-				seq_printf(m, " protected by 0x%016llx on ring %d",
-					   a_fence->seq, a_fence->ring->idx);
-			if (s_fence)
-				seq_printf(m, " protected by 0x%016x on ring %d",
-					   s_fence->base.seqno,
-					   s_fence->scheduler->ring_id);
-
-		}
+		if (i->fence)
+			amdgpu_sa_bo_dump_fence(i->fence, m);
 		seq_printf(m, "\n");
 	}
 	spin_unlock(&sa_manager->wq.lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index de98fbd..2e946b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -27,63 +27,48 @@
 #include <drm/drmP.h>
 #include "amdgpu.h"
 
-static struct fence *amdgpu_sched_dependency(struct amd_sched_job *job)
+static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job)
 {
-	struct amdgpu_job *sched_job = (struct amdgpu_job *)job;
-	return amdgpu_sync_get_fence(&sched_job->ibs->sync);
+	struct amdgpu_job *job = to_amdgpu_job(sched_job);
+	return amdgpu_sync_get_fence(&job->ibs->sync);
 }
 
-static struct fence *amdgpu_sched_run_job(struct amd_sched_job *job)
+static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job)
 {
-	struct amdgpu_job *sched_job;
-	struct amdgpu_fence *fence;
+	struct amdgpu_fence *fence = NULL;
+	struct amdgpu_job *job;
 	int r;
 
-	if (!job) {
+	if (!sched_job) {
 		DRM_ERROR("job is null\n");
 		return NULL;
 	}
-	sched_job = (struct amdgpu_job *)job;
-	mutex_lock(&sched_job->job_lock);
-	r = amdgpu_ib_schedule(sched_job->adev,
-			       sched_job->num_ibs,
-			       sched_job->ibs,
-			       sched_job->base.owner);
-	if (r)
+	job = to_amdgpu_job(sched_job);
+	mutex_lock(&job->job_lock);
+	r = amdgpu_ib_schedule(job->adev,
+			       job->num_ibs,
+			       job->ibs,
+			       job->base.owner);
+	if (r) {
+		DRM_ERROR("Error scheduling IBs (%d)\n", r);
 		goto err;
-	fence = amdgpu_fence_ref(sched_job->ibs[sched_job->num_ibs - 1].fence);
+	}
 
-	if (sched_job->free_job)
-		sched_job->free_job(sched_job);
-
-	mutex_unlock(&sched_job->job_lock);
-	return &fence->base;
+	fence = amdgpu_fence_ref(job->ibs[job->num_ibs - 1].fence);
 
 err:
-	DRM_ERROR("Run job error\n");
-	mutex_unlock(&sched_job->job_lock);
-	job->sched->ops->process_job(job);
-	return NULL;
-}
+	if (job->free_job)
+		job->free_job(job);
 
-static void amdgpu_sched_process_job(struct amd_sched_job *job)
-{
-	struct amdgpu_job *sched_job;
-
-	if (!job) {
-		DRM_ERROR("job is null\n");
-		return;
-	}
-	sched_job = (struct amdgpu_job *)job;
-	/* after processing job, free memory */
-	fence_put(&sched_job->base.s_fence->base);
-	kfree(sched_job);
+	mutex_unlock(&job->job_lock);
+	fence_put(&job->base.s_fence->base);
+	kfree(job);
+	return fence ? &fence->base : NULL;
 }
 
 struct amd_sched_backend_ops amdgpu_sched_ops = {
 	.dependency = amdgpu_sched_dependency,
 	.run_job = amdgpu_sched_run_job,
-	.process_job = amdgpu_sched_process_job
 };
 
 int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
@@ -100,7 +85,7 @@
 			kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
 		if (!job)
 			return -ENOMEM;
-		job->base.sched = ring->scheduler;
+		job->base.sched = &ring->sched;
 		job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
 		job->adev = adev;
 		job->ibs = ibs;
@@ -109,7 +94,7 @@
 		mutex_init(&job->job_lock);
 		job->free_job = free_job;
 		mutex_lock(&job->job_lock);
-		r = amd_sched_entity_push_job((struct amd_sched_job *)job);
+		r = amd_sched_entity_push_job(&job->base);
 		if (r) {
 			mutex_unlock(&job->job_lock);
 			kfree(job);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 068aeaf..4921de1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -65,8 +65,14 @@
 
 	if (a_fence)
 		return a_fence->ring->adev == adev;
-	if (s_fence)
-		return (struct amdgpu_device *)s_fence->scheduler->priv == adev;
+
+	if (s_fence) {
+		struct amdgpu_ring *ring;
+
+		ring = container_of(s_fence->sched, struct amdgpu_ring, sched);
+		return ring->adev == adev;
+	}
+
 	return false;
 }
 
@@ -251,6 +257,20 @@
 		fence_put(e->fence);
 		kfree(e);
 	}
+
+	if (amdgpu_enable_semaphores)
+		return 0;
+
+	for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
+		struct amdgpu_fence *fence = sync->sync_to[i];
+		if (!fence)
+			continue;
+
+		r = fence_wait(&fence->base, false);
+		if (r)
+			return r;
+	}
+
 	return 0;
 }
 
@@ -285,7 +305,8 @@
 			return -EINVAL;
 		}
 
-		if (amdgpu_enable_scheduler || (count >= AMDGPU_NUM_SYNCS)) {
+		if (amdgpu_enable_scheduler || !amdgpu_enable_semaphores ||
+		    (count >= AMDGPU_NUM_SYNCS)) {
 			/* not enough room, wait manually */
 			r = fence_wait(&fence->base, false);
 			if (r)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
index f80b1a4..4865615 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
@@ -59,8 +59,9 @@
 		goto out_cleanup;
 	}
 
-	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, 0,
-			     NULL, &vram_obj);
+	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
+			     AMDGPU_GEM_DOMAIN_VRAM, 0,
+			     NULL, NULL, &vram_obj);
 	if (r) {
 		DRM_ERROR("Failed to create VRAM object\n");
 		goto out_cleanup;
@@ -80,7 +81,8 @@
 		struct fence *fence = NULL;
 
 		r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
-				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL, gtt_obj + i);
+				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+				     NULL, gtt_obj + i);
 		if (r) {
 			DRM_ERROR("Failed to create GTT object %d\n", i);
 			goto out_lclean;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index b5abd5c..364cbe9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -861,7 +861,7 @@
 	r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			     NULL, &adev->stollen_vga_memory);
+			     NULL, NULL, &adev->stollen_vga_memory);
 	if (r) {
 		return r;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index 482e667..5cc95f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -247,7 +247,7 @@
 	const struct common_firmware_header *header = NULL;
 
 	err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
-			AMDGPU_GEM_DOMAIN_GTT, 0, NULL, bo);
+			AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, bo);
 	if (err) {
 		dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
 		err = -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 2cf6c6b..d0312364 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -156,7 +156,7 @@
 	r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			     NULL, &adev->uvd.vcpu_bo);
+			     NULL, NULL, &adev->uvd.vcpu_bo);
 	if (r) {
 		dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
 		return r;
@@ -543,46 +543,60 @@
 		return -EINVAL;
 	}
 
-	if (msg_type == 1) {
+	switch (msg_type) {
+	case 0:
+		/* it's a create msg, calc image size (width * height) */
+		amdgpu_bo_kunmap(bo);
+
+		/* try to alloc a new handle */
+		for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
+			if (atomic_read(&adev->uvd.handles[i]) == handle) {
+				DRM_ERROR("Handle 0x%x already in use!\n", handle);
+				return -EINVAL;
+			}
+
+			if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
+				adev->uvd.filp[i] = ctx->parser->filp;
+				return 0;
+			}
+		}
+
+		DRM_ERROR("No more free UVD handles!\n");
+		return -EINVAL;
+
+	case 1:
 		/* it's a decode msg, calc buffer sizes */
 		r = amdgpu_uvd_cs_msg_decode(msg, ctx->buf_sizes);
 		amdgpu_bo_kunmap(bo);
 		if (r)
 			return r;
 
-	} else if (msg_type == 2) {
+		/* validate the handle */
+		for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
+			if (atomic_read(&adev->uvd.handles[i]) == handle) {
+				if (adev->uvd.filp[i] != ctx->parser->filp) {
+					DRM_ERROR("UVD handle collision detected!\n");
+					return -EINVAL;
+				}
+				return 0;
+			}
+		}
+
+		DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
+		return -ENOENT;
+
+	case 2:
 		/* it's a destroy msg, free the handle */
 		for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i)
 			atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
 		amdgpu_bo_kunmap(bo);
 		return 0;
-	} else {
-		/* it's a create msg */
-		amdgpu_bo_kunmap(bo);
 
-		if (msg_type != 0) {
-			DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
-			return -EINVAL;
-		}
-
-		/* it's a create msg, no special handling needed */
+	default:
+		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
+		return -EINVAL;
 	}
-
-	/* create or decode, validate the handle */
-	for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
-		if (atomic_read(&adev->uvd.handles[i]) == handle)
-			return 0;
-	}
-
-	/* handle not found try to alloc a new one */
-	for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
-		if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
-			adev->uvd.filp[i] = ctx->parser->filp;
-			return 0;
-		}
-	}
-
-	DRM_ERROR("No more free UVD handles!\n");
+	BUG();
 	return -EINVAL;
 }
 
@@ -805,10 +819,10 @@
 }
 
 static int amdgpu_uvd_free_job(
-	struct amdgpu_job *sched_job)
+	struct amdgpu_job *job)
 {
-	amdgpu_ib_free(sched_job->adev, sched_job->ibs);
-	kfree(sched_job->ibs);
+	amdgpu_ib_free(job->adev, job->ibs);
+	kfree(job->ibs);
 	return 0;
 }
 
@@ -905,7 +919,7 @@
 	r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			     NULL, &bo);
+			     NULL, NULL, &bo);
 	if (r)
 		return r;
 
@@ -954,7 +968,7 @@
 	r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			     NULL, &bo);
+			     NULL, NULL, &bo);
 	if (r)
 		return r;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 3cab96c..74f2038a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -143,7 +143,7 @@
 	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			     NULL, &adev->vce.vcpu_bo);
+			     NULL, NULL, &adev->vce.vcpu_bo);
 	if (r) {
 		dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
 		return r;
@@ -342,10 +342,10 @@
 }
 
 static int amdgpu_vce_free_job(
-	struct amdgpu_job *sched_job)
+	struct amdgpu_job *job)
 {
-	amdgpu_ib_free(sched_job->adev, sched_job->ibs);
-	kfree(sched_job->ibs);
+	amdgpu_ib_free(job->adev, job->ibs);
+	kfree(job->ibs);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index f68b7cd..1e14531 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -316,12 +316,12 @@
 	}
 }
 
-int amdgpu_vm_free_job(struct amdgpu_job *sched_job)
+int amdgpu_vm_free_job(struct amdgpu_job *job)
 {
 	int i;
-	for (i = 0; i < sched_job->num_ibs; i++)
-		amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]);
-	kfree(sched_job->ibs);
+	for (i = 0; i < job->num_ibs; i++)
+		amdgpu_ib_free(job->adev, &job->ibs[i]);
+	kfree(job->ibs);
 	return 0;
 }
 
@@ -686,31 +686,6 @@
 }
 
 /**
- * amdgpu_vm_fence_pts - fence page tables after an update
- *
- * @vm: requested vm
- * @start: start of GPU address range
- * @end: end of GPU address range
- * @fence: fence to use
- *
- * Fence the page tables in the range @start - @end (cayman+).
- *
- * Global and local mutex must be locked!
- */
-static void amdgpu_vm_fence_pts(struct amdgpu_vm *vm,
-				uint64_t start, uint64_t end,
-				struct fence *fence)
-{
-	unsigned i;
-
-	start >>= amdgpu_vm_block_size;
-	end >>= amdgpu_vm_block_size;
-
-	for (i = start; i <= end; ++i)
-		amdgpu_bo_fence(vm->page_tables[i].bo, fence, true);
-}
-
-/**
  * amdgpu_vm_bo_update_mapping - update a mapping in the vm page table
  *
  * @adev: amdgpu_device pointer
@@ -813,8 +788,7 @@
 	if (r)
 		goto error_free;
 
-	amdgpu_vm_fence_pts(vm, mapping->it.start,
-			    mapping->it.last + 1, f);
+	amdgpu_bo_fence(vm->page_directory, f, true);
 	if (fence) {
 		fence_put(*fence);
 		*fence = fence_get(f);
@@ -855,7 +829,7 @@
 	int r;
 
 	if (mem) {
-		addr = mem->start << PAGE_SHIFT;
+		addr = (u64)mem->start << PAGE_SHIFT;
 		if (mem->mem_type != TTM_PL_TT)
 			addr += adev->vm_manager.vram_base_offset;
 	} else {
@@ -1089,6 +1063,7 @@
 
 	/* walk over the address space and allocate the page tables */
 	for (pt_idx = saddr; pt_idx <= eaddr; ++pt_idx) {
+		struct reservation_object *resv = vm->page_directory->tbo.resv;
 		struct amdgpu_bo *pt;
 
 		if (vm->page_tables[pt_idx].bo)
@@ -1097,11 +1072,13 @@
 		/* drop mutex to allocate and clear page table */
 		mutex_unlock(&vm->mutex);
 
+		ww_mutex_lock(&resv->lock, NULL);
 		r = amdgpu_bo_create(adev, AMDGPU_VM_PTE_COUNT * 8,
 				     AMDGPU_GPU_PAGE_SIZE, true,
 				     AMDGPU_GEM_DOMAIN_VRAM,
 				     AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
-				     NULL, &pt);
+				     NULL, resv, &pt);
+		ww_mutex_unlock(&resv->lock);
 		if (r)
 			goto error_free;
 
@@ -1303,7 +1280,7 @@
 	r = amdgpu_bo_create(adev, pd_size, align, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
-			     NULL, &vm->page_directory);
+			     NULL, NULL, &vm->page_directory);
 	if (r)
 		return r;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index cd6edc4..1e0bba2 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -1279,8 +1279,7 @@
 			amdgpu_atombios_encoder_setup_dig_encoder(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
 		}
 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
-			amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
-							       ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
+			amdgpu_atombios_encoder_set_backlight_level(amdgpu_encoder, dig->backlight_level);
 		if (ext_encoder)
 			amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder, ATOM_ENABLE);
 	} else {
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_smc.c b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
index a72ffc7..e33180d 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
@@ -814,7 +814,8 @@
 	* 3. map kernel virtual address
 	*/
 	ret = amdgpu_bo_create(adev, priv->toc_buffer.data_size, PAGE_SIZE,
-				true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, toc_buf);
+			       true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+			       toc_buf);
 
 	if (ret) {
 		dev_err(adev->dev, "(%d) SMC TOC buffer allocation failed\n", ret);
@@ -822,7 +823,8 @@
 	}
 
 	ret = amdgpu_bo_create(adev, priv->smu_buffer.data_size, PAGE_SIZE,
-				true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, smu_buf);
+			       true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+			       smu_buf);
 
 	if (ret) {
 		dev_err(adev->dev, "(%d) SMC Internal buffer allocation failed\n", ret);
diff --git a/drivers/gpu/drm/amd/amdgpu/fiji_smc.c b/drivers/gpu/drm/amd/amdgpu/fiji_smc.c
index 322edea..bda1249 100644
--- a/drivers/gpu/drm/amd/amdgpu/fiji_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/fiji_smc.c
@@ -764,7 +764,7 @@
 	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
 			       true, AMDGPU_GEM_DOMAIN_VRAM,
 			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, toc_buf);
+			       NULL, NULL, toc_buf);
 	if (ret) {
 		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
 		return -ENOMEM;
@@ -774,7 +774,7 @@
 	ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
 			       true, AMDGPU_GEM_DOMAIN_VRAM,
 			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, smu_buf);
+			       NULL, NULL, smu_buf);
 	if (ret) {
 		DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
 		return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 4bd1e5c..e992bf2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3206,7 +3206,7 @@
 		r = amdgpu_bo_create(adev,
 				     adev->gfx.mec.num_mec *adev->gfx.mec.num_pipe * MEC_HPD_SIZE * 2,
 				     PAGE_SIZE, true,
-				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
 				     &adev->gfx.mec.hpd_eop_obj);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r);
@@ -3373,7 +3373,7 @@
 			r = amdgpu_bo_create(adev,
 					     sizeof(struct bonaire_mqd),
 					     PAGE_SIZE, true,
-					     AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+					     AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
 					     &ring->mqd_obj);
 			if (r) {
 				dev_warn(adev->dev, "(%d) create MQD bo failed\n", r);
@@ -3610,41 +3610,6 @@
 	return 0;
 }
 
-static void gfx_v7_0_ce_sync_me(struct amdgpu_ring *ring)
-{
-	struct amdgpu_device *adev = ring->adev;
-	u64 gpu_addr = adev->wb.gpu_addr + adev->gfx.ce_sync_offs * 4;
-
-	/* instruct DE to set a magic number */
-	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
-							 WRITE_DATA_DST_SEL(5)));
-	amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
-	amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
-	amdgpu_ring_write(ring, 1);
-
-	/* let CE wait till condition satisfied */
-	amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
-	amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */
-							 WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
-							 WAIT_REG_MEM_FUNCTION(3) |  /* == */
-							 WAIT_REG_MEM_ENGINE(2)));   /* ce */
-	amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
-	amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
-	amdgpu_ring_write(ring, 1);
-	amdgpu_ring_write(ring, 0xffffffff);
-	amdgpu_ring_write(ring, 4); /* poll interval */
-
-	/* instruct CE to reset wb of ce_sync to zero */
-	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) |
-							 WRITE_DATA_DST_SEL(5) |
-							 WR_CONFIRM));
-	amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
-	amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
-	amdgpu_ring_write(ring, 0);
-}
-
 /*
  * vm
  * VMID 0 is the physical GPU addresses as used by the kernel.
@@ -3663,6 +3628,13 @@
 					unsigned vm_id, uint64_t pd_addr)
 {
 	int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
+	if (usepfp) {
+		/* synce CE with ME to prevent CE fetch CEIB before context switch done */
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
+	}
 
 	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
 	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
@@ -3703,7 +3675,10 @@
 		amdgpu_ring_write(ring, 0x0);
 
 		/* synce CE with ME to prevent CE fetch CEIB before context switch done */
-		gfx_v7_0_ce_sync_me(ring);
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
 	}
 }
 
@@ -3788,7 +3763,8 @@
 			r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
 					     AMDGPU_GEM_DOMAIN_VRAM,
 					     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-					     NULL, &adev->gfx.rlc.save_restore_obj);
+					     NULL, NULL,
+					     &adev->gfx.rlc.save_restore_obj);
 			if (r) {
 				dev_warn(adev->dev, "(%d) create RLC sr bo failed\n", r);
 				return r;
@@ -3831,7 +3807,8 @@
 			r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
 					     AMDGPU_GEM_DOMAIN_VRAM,
 					     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-					     NULL, &adev->gfx.rlc.clear_state_obj);
+					     NULL, NULL,
+					     &adev->gfx.rlc.clear_state_obj);
 			if (r) {
 				dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r);
 				gfx_v7_0_rlc_fini(adev);
@@ -3870,7 +3847,8 @@
 			r = amdgpu_bo_create(adev, adev->gfx.rlc.cp_table_size, PAGE_SIZE, true,
 					     AMDGPU_GEM_DOMAIN_VRAM,
 					     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-					     NULL, &adev->gfx.rlc.cp_table_obj);
+					     NULL, NULL,
+					     &adev->gfx.rlc.cp_table_obj);
 			if (r) {
 				dev_warn(adev->dev, "(%d) create RLC cp table bo failed\n", r);
 				gfx_v7_0_rlc_fini(adev);
@@ -4802,12 +4780,6 @@
 		return r;
 	}
 
-	r = amdgpu_wb_get(adev, &adev->gfx.ce_sync_offs);
-	if (r) {
-		DRM_ERROR("(%d) gfx.ce_sync_offs wb alloc failed\n", r);
-		return r;
-	}
-
 	for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
 		ring = &adev->gfx.gfx_ring[i];
 		ring->ring_obj = NULL;
@@ -4851,21 +4823,21 @@
 	r = amdgpu_bo_create(adev, adev->gds.mem.gfx_partition_size,
 			PAGE_SIZE, true,
 			AMDGPU_GEM_DOMAIN_GDS, 0,
-			NULL, &adev->gds.gds_gfx_bo);
+			NULL, NULL, &adev->gds.gds_gfx_bo);
 	if (r)
 		return r;
 
 	r = amdgpu_bo_create(adev, adev->gds.gws.gfx_partition_size,
 		PAGE_SIZE, true,
 		AMDGPU_GEM_DOMAIN_GWS, 0,
-		NULL, &adev->gds.gws_gfx_bo);
+		NULL, NULL, &adev->gds.gws_gfx_bo);
 	if (r)
 		return r;
 
 	r = amdgpu_bo_create(adev, adev->gds.oa.gfx_partition_size,
 			PAGE_SIZE, true,
 			AMDGPU_GEM_DOMAIN_OA, 0,
-			NULL, &adev->gds.oa_gfx_bo);
+			NULL, NULL, &adev->gds.oa_gfx_bo);
 	if (r)
 		return r;
 
@@ -4886,8 +4858,6 @@
 	for (i = 0; i < adev->gfx.num_compute_rings; i++)
 		amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
 
-	amdgpu_wb_free(adev, adev->gfx.ce_sync_offs);
-
 	gfx_v7_0_cp_compute_fini(adev);
 	gfx_v7_0_rlc_fini(adev);
 	gfx_v7_0_mec_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 53f0743..cb4f68f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -868,7 +868,7 @@
 		r = amdgpu_bo_create(adev,
 				     adev->gfx.mec.num_mec *adev->gfx.mec.num_pipe * MEC_HPD_SIZE * 2,
 				     PAGE_SIZE, true,
-				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
 				     &adev->gfx.mec.hpd_eop_obj);
 		if (r) {
 			dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r);
@@ -940,12 +940,6 @@
 		return r;
 	}
 
-	r = amdgpu_wb_get(adev, &adev->gfx.ce_sync_offs);
-	if (r) {
-		DRM_ERROR("(%d) gfx.ce_sync_offs wb alloc failed\n", r);
-		return r;
-	}
-
 	/* set up the gfx ring */
 	for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
 		ring = &adev->gfx.gfx_ring[i];
@@ -995,21 +989,21 @@
 	/* reserve GDS, GWS and OA resource for gfx */
 	r = amdgpu_bo_create(adev, adev->gds.mem.gfx_partition_size,
 			PAGE_SIZE, true,
-			AMDGPU_GEM_DOMAIN_GDS, 0,
+			AMDGPU_GEM_DOMAIN_GDS, 0, NULL,
 			NULL, &adev->gds.gds_gfx_bo);
 	if (r)
 		return r;
 
 	r = amdgpu_bo_create(adev, adev->gds.gws.gfx_partition_size,
 		PAGE_SIZE, true,
-		AMDGPU_GEM_DOMAIN_GWS, 0,
+		AMDGPU_GEM_DOMAIN_GWS, 0, NULL,
 		NULL, &adev->gds.gws_gfx_bo);
 	if (r)
 		return r;
 
 	r = amdgpu_bo_create(adev, adev->gds.oa.gfx_partition_size,
 			PAGE_SIZE, true,
-			AMDGPU_GEM_DOMAIN_OA, 0,
+			AMDGPU_GEM_DOMAIN_OA, 0, NULL,
 			NULL, &adev->gds.oa_gfx_bo);
 	if (r)
 		return r;
@@ -1033,8 +1027,6 @@
 	for (i = 0; i < adev->gfx.num_compute_rings; i++)
 		amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
 
-	amdgpu_wb_free(adev, adev->gfx.ce_sync_offs);
-
 	gfx_v8_0_mec_fini(adev);
 
 	return 0;
@@ -3106,7 +3098,7 @@
 					     sizeof(struct vi_mqd),
 					     PAGE_SIZE, true,
 					     AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
-					     &ring->mqd_obj);
+					     NULL, &ring->mqd_obj);
 			if (r) {
 				dev_warn(adev->dev, "(%d) create MQD bo failed\n", r);
 				return r;
@@ -3965,6 +3957,7 @@
 			  DATA_SEL(write64bit ? 2 : 1) | INT_SEL(int_sel ? 2 : 0));
 	amdgpu_ring_write(ring, lower_32_bits(seq));
 	amdgpu_ring_write(ring, upper_32_bits(seq));
+
 }
 
 /**
@@ -4005,49 +3998,34 @@
 	return true;
 }
 
-static void gfx_v8_0_ce_sync_me(struct amdgpu_ring *ring)
-{
-	struct amdgpu_device *adev = ring->adev;
-	u64 gpu_addr = adev->wb.gpu_addr + adev->gfx.ce_sync_offs * 4;
-
-	/* instruct DE to set a magic number */
-	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
-							 WRITE_DATA_DST_SEL(5)));
-	amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
-	amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
-	amdgpu_ring_write(ring, 1);
-
-	/* let CE wait till condition satisfied */
-	amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
-	amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */
-							 WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
-							 WAIT_REG_MEM_FUNCTION(3) |  /* == */
-							 WAIT_REG_MEM_ENGINE(2)));   /* ce */
-	amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
-	amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
-	amdgpu_ring_write(ring, 1);
-	amdgpu_ring_write(ring, 0xffffffff);
-	amdgpu_ring_write(ring, 4); /* poll interval */
-
-	/* instruct CE to reset wb of ce_sync to zero */
-	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) |
-							 WRITE_DATA_DST_SEL(5) |
-							 WR_CONFIRM));
-	amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
-	amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
-	amdgpu_ring_write(ring, 0);
-}
-
 static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
 					unsigned vm_id, uint64_t pd_addr)
 {
 	int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
+	uint32_t seq = ring->fence_drv.sync_seq[ring->idx];
+	uint64_t addr = ring->fence_drv.gpu_addr;
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+	amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
+		 WAIT_REG_MEM_FUNCTION(3))); /* equal */
+	amdgpu_ring_write(ring, addr & 0xfffffffc);
+	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+	amdgpu_ring_write(ring, seq);
+	amdgpu_ring_write(ring, 0xffffffff);
+	amdgpu_ring_write(ring, 4); /* poll interval */
+
+	if (usepfp) {
+		/* synce CE with ME to prevent CE fetch CEIB before context switch done */
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
+	}
 
 	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
 	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
-				 WRITE_DATA_DST_SEL(0)));
+				 WRITE_DATA_DST_SEL(0)) |
+				 WR_CONFIRM);
 	if (vm_id < 8) {
 		amdgpu_ring_write(ring,
 				  (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id));
@@ -4083,9 +4061,10 @@
 		/* sync PFP to ME, otherwise we might get invalid PFP reads */
 		amdgpu_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
 		amdgpu_ring_write(ring, 0x0);
-
-		/* synce CE with ME to prevent CE fetch CEIB before context switch done */
-		gfx_v8_0_ce_sync_me(ring);
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
+		amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+		amdgpu_ring_write(ring, 0);
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 774528a..fab5471 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -1262,6 +1262,12 @@
 	addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
 	status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
 	mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
+	/* reset addr and status */
+	WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
+
+	if (!addr && !status)
+		return 0;
+
 	dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
 		entry->src_id, entry->src_data);
 	dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
@@ -1269,8 +1275,6 @@
 	dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
 		status);
 	gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client);
-	/* reset addr and status */
-	WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 9a07742..7bc9e9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1262,6 +1262,12 @@
 	addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
 	status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
 	mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
+	/* reset addr and status */
+	WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
+
+	if (!addr && !status)
+		return 0;
+
 	dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
 		entry->src_id, entry->src_data);
 	dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
@@ -1269,8 +1275,6 @@
 	dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
 		status);
 	gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client);
-	/* reset addr and status */
-	WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
index c900aa9..966d4b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
@@ -625,7 +625,7 @@
 	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
 			       true, AMDGPU_GEM_DOMAIN_VRAM,
 			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, toc_buf);
+			       NULL, NULL, toc_buf);
 	if (ret) {
 		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
 		return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_smc.c b/drivers/gpu/drm/amd/amdgpu/tonga_smc.c
index 1f5ac94..5421309 100644
--- a/drivers/gpu/drm/amd/amdgpu/tonga_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/tonga_smc.c
@@ -763,7 +763,7 @@
 	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
 			       true, AMDGPU_GEM_DOMAIN_VRAM,
 			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, toc_buf);
+			       NULL, NULL, toc_buf);
 	if (ret) {
 		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
 		return -ENOMEM;
@@ -773,7 +773,7 @@
 	ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
 			       true, AMDGPU_GEM_DOMAIN_VRAM,
 			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, smu_buf);
+			       NULL, NULL, smu_buf);
 	if (ret) {
 		DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
 		return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 5fac5da..ed50dd7 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -224,11 +224,11 @@
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	r = uvd_v4_2_hw_fini(adev);
+	r = amdgpu_uvd_suspend(adev);
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_suspend(adev);
+	r = uvd_v4_2_hw_fini(adev);
 	if (r)
 		return r;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index 2d5c59c..9ad8b99 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -220,11 +220,11 @@
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	r = uvd_v5_0_hw_fini(adev);
+	r = amdgpu_uvd_suspend(adev);
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_suspend(adev);
+	r = uvd_v5_0_hw_fini(adev);
 	if (r)
 		return r;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index d9f553f..7e9934f 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -214,14 +214,16 @@
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	/* Skip this for APU for now */
+	if (!(adev->flags & AMD_IS_APU)) {
+		r = amdgpu_uvd_suspend(adev);
+		if (r)
+			return r;
+	}
 	r = uvd_v6_0_hw_fini(adev);
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_suspend(adev);
-	if (r)
-		return r;
-
 	return r;
 }
 
@@ -230,10 +232,12 @@
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	r = amdgpu_uvd_resume(adev);
-	if (r)
-		return r;
-
+	/* Skip this for APU for now */
+	if (!(adev->flags & AMD_IS_APU)) {
+		r = amdgpu_uvd_resume(adev);
+		if (r)
+			return r;
+	}
 	r = uvd_v6_0_hw_init(adev);
 	if (r)
 		return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 552d9e7..b55ceb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1400,7 +1400,8 @@
 	case CHIP_CARRIZO:
 		adev->has_uvd = true;
 		adev->cg_flags = 0;
-		adev->pg_flags = AMDGPU_PG_SUPPORT_UVD | AMDGPU_PG_SUPPORT_VCE;
+		/* Disable UVD pg */
+		adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE;
 		adev->external_rev_id = adev->rev_id + 0x1;
 		if (amdgpu_smc_load_fw && smc_enabled)
 			adev->firmware.smu_load = true;
diff --git a/drivers/gpu/drm/amd/include/cgs_linux.h b/drivers/gpu/drm/amd/include/cgs_linux.h
index 488642f..3b47ae3 100644
--- a/drivers/gpu/drm/amd/include/cgs_linux.h
+++ b/drivers/gpu/drm/amd/include/cgs_linux.h
@@ -27,19 +27,6 @@
 #include "cgs_common.h"
 
 /**
- * cgs_import_gpu_mem() - Import dmabuf handle
- * @cgs_device:  opaque device handle
- * @dmabuf_fd:   DMABuf file descriptor
- * @handle:      memory handle (output)
- *
- * Must be called in the process context that dmabuf_fd belongs to.
- *
- * Return:  0 on success, -errno otherwise
- */
-typedef int (*cgs_import_gpu_mem_t)(void *cgs_device, int dmabuf_fd,
-				    cgs_handle_t *handle);
-
-/**
  * cgs_irq_source_set_func() - Callback for enabling/disabling interrupt sources
  * @private_data:  private data provided to cgs_add_irq_source
  * @src_id:        interrupt source ID
@@ -114,16 +101,12 @@
 typedef int (*cgs_irq_put_t)(void *cgs_device, unsigned src_id, unsigned type);
 
 struct cgs_os_ops {
-	cgs_import_gpu_mem_t import_gpu_mem;
-
 	/* IRQ handling */
 	cgs_add_irq_source_t add_irq_source;
 	cgs_irq_get_t irq_get;
 	cgs_irq_put_t irq_put;
 };
 
-#define cgs_import_gpu_mem(dev,dmabuf_fd,handle)		\
-	CGS_OS_CALL(import_gpu_mem,dev,dmabuf_fd,handle)
 #define cgs_add_irq_source(dev,src_id,num_types,set,handler,private_data) \
 	CGS_OS_CALL(add_irq_source,dev,src_id,num_types,set,handler,	\
 		    private_data)
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
new file mode 100644
index 0000000..144f50a
--- /dev/null
+++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
@@ -0,0 +1,41 @@
+#if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _GPU_SCHED_TRACE_H_
+
+#include <linux/stringify.h>
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#include <drm/drmP.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gpu_sched
+#define TRACE_INCLUDE_FILE gpu_sched_trace
+
+TRACE_EVENT(amd_sched_job,
+	    TP_PROTO(struct amd_sched_job *sched_job),
+	    TP_ARGS(sched_job),
+	    TP_STRUCT__entry(
+			     __field(struct amd_sched_entity *, entity)
+			     __field(const char *, name)
+			     __field(u32, job_count)
+			     __field(int, hw_job_count)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->entity = sched_job->s_entity;
+			   __entry->name = sched_job->sched->name;
+			   __entry->job_count = kfifo_len(
+				   &sched_job->s_entity->job_queue) / sizeof(sched_job);
+			   __entry->hw_job_count = atomic_read(
+				   &sched_job->sched->hw_rq_count);
+			   ),
+	    TP_printk("entity=%p, ring=%s, job count:%u, hw job count:%d",
+		      __entry->entity, __entry->name, __entry->job_count,
+		      __entry->hw_job_count)
+);
+#endif
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 9259f1b..3697eee 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -27,6 +27,9 @@
 #include <drm/drmP.h>
 #include "gpu_scheduler.h"
 
+#define CREATE_TRACE_POINTS
+#include "gpu_sched_trace.h"
+
 static struct amd_sched_job *
 amd_sched_entity_pop_job(struct amd_sched_entity *entity);
 static void amd_sched_wakeup(struct amd_gpu_scheduler *sched);
@@ -65,29 +68,29 @@
 amd_sched_rq_select_job(struct amd_sched_rq *rq)
 {
 	struct amd_sched_entity *entity;
-	struct amd_sched_job *job;
+	struct amd_sched_job *sched_job;
 
 	spin_lock(&rq->lock);
 
 	entity = rq->current_entity;
 	if (entity) {
 		list_for_each_entry_continue(entity, &rq->entities, list) {
-			job = amd_sched_entity_pop_job(entity);
-			if (job) {
+			sched_job = amd_sched_entity_pop_job(entity);
+			if (sched_job) {
 				rq->current_entity = entity;
 				spin_unlock(&rq->lock);
-				return job;
+				return sched_job;
 			}
 		}
 	}
 
 	list_for_each_entry(entity, &rq->entities, list) {
 
-		job = amd_sched_entity_pop_job(entity);
-		if (job) {
+		sched_job = amd_sched_entity_pop_job(entity);
+		if (sched_job) {
 			rq->current_entity = entity;
 			spin_unlock(&rq->lock);
-			return job;
+			return sched_job;
 		}
 
 		if (entity == rq->current_entity)
@@ -115,23 +118,27 @@
 			  struct amd_sched_rq *rq,
 			  uint32_t jobs)
 {
+	int r;
+
 	if (!(sched && entity && rq))
 		return -EINVAL;
 
 	memset(entity, 0, sizeof(struct amd_sched_entity));
-	entity->belongto_rq = rq;
-	entity->scheduler = sched;
-	entity->fence_context = fence_context_alloc(1);
-	if(kfifo_alloc(&entity->job_queue,
-		       jobs * sizeof(void *),
-		       GFP_KERNEL))
-		return -EINVAL;
+	INIT_LIST_HEAD(&entity->list);
+	entity->rq = rq;
+	entity->sched = sched;
 
 	spin_lock_init(&entity->queue_lock);
+	r = kfifo_alloc(&entity->job_queue, jobs * sizeof(void *), GFP_KERNEL);
+	if (r)
+		return r;
+
 	atomic_set(&entity->fence_seq, 0);
+	entity->fence_context = fence_context_alloc(1);
 
 	/* Add the entity to the run queue */
 	amd_sched_rq_add_entity(rq, entity);
+
 	return 0;
 }
 
@@ -146,8 +153,8 @@
 static bool amd_sched_entity_is_initialized(struct amd_gpu_scheduler *sched,
 					    struct amd_sched_entity *entity)
 {
-	return entity->scheduler == sched &&
-		entity->belongto_rq != NULL;
+	return entity->sched == sched &&
+		entity->rq != NULL;
 }
 
 /**
@@ -177,7 +184,7 @@
 void amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
 			   struct amd_sched_entity *entity)
 {
-	struct amd_sched_rq *rq = entity->belongto_rq;
+	struct amd_sched_rq *rq = entity->rq;
 
 	if (!amd_sched_entity_is_initialized(sched, entity))
 		return;
@@ -198,22 +205,22 @@
 		container_of(cb, struct amd_sched_entity, cb);
 	entity->dependency = NULL;
 	fence_put(f);
-	amd_sched_wakeup(entity->scheduler);
+	amd_sched_wakeup(entity->sched);
 }
 
 static struct amd_sched_job *
 amd_sched_entity_pop_job(struct amd_sched_entity *entity)
 {
-	struct amd_gpu_scheduler *sched = entity->scheduler;
-	struct amd_sched_job *job;
+	struct amd_gpu_scheduler *sched = entity->sched;
+	struct amd_sched_job *sched_job;
 
 	if (ACCESS_ONCE(entity->dependency))
 		return NULL;
 
-	if (!kfifo_out_peek(&entity->job_queue, &job, sizeof(job)))
+	if (!kfifo_out_peek(&entity->job_queue, &sched_job, sizeof(sched_job)))
 		return NULL;
 
-	while ((entity->dependency = sched->ops->dependency(job))) {
+	while ((entity->dependency = sched->ops->dependency(sched_job))) {
 
 		if (fence_add_callback(entity->dependency, &entity->cb,
 				       amd_sched_entity_wakeup))
@@ -222,32 +229,33 @@
 			return NULL;
 	}
 
-	return job;
+	return sched_job;
 }
 
 /**
  * Helper to submit a job to the job queue
  *
- * @job		The pointer to job required to submit
+ * @sched_job		The pointer to job required to submit
  *
  * Returns true if we could submit the job.
  */
-static bool amd_sched_entity_in(struct amd_sched_job *job)
+static bool amd_sched_entity_in(struct amd_sched_job *sched_job)
 {
-	struct amd_sched_entity *entity = job->s_entity;
+	struct amd_sched_entity *entity = sched_job->s_entity;
 	bool added, first = false;
 
 	spin_lock(&entity->queue_lock);
-	added = kfifo_in(&entity->job_queue, &job, sizeof(job)) == sizeof(job);
+	added = kfifo_in(&entity->job_queue, &sched_job,
+			sizeof(sched_job)) == sizeof(sched_job);
 
-	if (added && kfifo_len(&entity->job_queue) == sizeof(job))
+	if (added && kfifo_len(&entity->job_queue) == sizeof(sched_job))
 		first = true;
 
 	spin_unlock(&entity->queue_lock);
 
 	/* first job wakes up scheduler */
 	if (first)
-		amd_sched_wakeup(job->sched);
+		amd_sched_wakeup(sched_job->sched);
 
 	return added;
 }
@@ -255,7 +263,7 @@
 /**
  * Submit a job to the job queue
  *
- * @job		The pointer to job required to submit
+ * @sched_job		The pointer to job required to submit
  *
  * Returns 0 for success, negative error code otherwise.
  */
@@ -271,9 +279,9 @@
 	fence_get(&fence->base);
 	sched_job->s_fence = fence;
 
-	wait_event(entity->scheduler->job_scheduled,
+	wait_event(entity->sched->job_scheduled,
 		   amd_sched_entity_in(sched_job));
-
+	trace_amd_sched_job(sched_job);
 	return 0;
 }
 
@@ -301,30 +309,28 @@
 static struct amd_sched_job *
 amd_sched_select_job(struct amd_gpu_scheduler *sched)
 {
-	struct amd_sched_job *job;
+	struct amd_sched_job *sched_job;
 
 	if (!amd_sched_ready(sched))
 		return NULL;
 
 	/* Kernel run queue has higher priority than normal run queue*/
-	job = amd_sched_rq_select_job(&sched->kernel_rq);
-	if (job == NULL)
-		job = amd_sched_rq_select_job(&sched->sched_rq);
+	sched_job = amd_sched_rq_select_job(&sched->kernel_rq);
+	if (sched_job == NULL)
+		sched_job = amd_sched_rq_select_job(&sched->sched_rq);
 
-	return job;
+	return sched_job;
 }
 
 static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
 {
-	struct amd_sched_job *sched_job =
-		container_of(cb, struct amd_sched_job, cb);
-	struct amd_gpu_scheduler *sched;
+	struct amd_sched_fence *s_fence =
+		container_of(cb, struct amd_sched_fence, cb);
+	struct amd_gpu_scheduler *sched = s_fence->sched;
 
-	sched = sched_job->sched;
-	amd_sched_fence_signal(sched_job->s_fence);
 	atomic_dec(&sched->hw_rq_count);
-	fence_put(&sched_job->s_fence->base);
-	sched->ops->process_job(sched_job);
+	amd_sched_fence_signal(s_fence);
+	fence_put(&s_fence->base);
 	wake_up_interruptible(&sched->wake_up_worker);
 }
 
@@ -338,87 +344,82 @@
 
 	while (!kthread_should_stop()) {
 		struct amd_sched_entity *entity;
-		struct amd_sched_job *job;
+		struct amd_sched_fence *s_fence;
+		struct amd_sched_job *sched_job;
 		struct fence *fence;
 
 		wait_event_interruptible(sched->wake_up_worker,
 			kthread_should_stop() ||
-			(job = amd_sched_select_job(sched)));
+			(sched_job = amd_sched_select_job(sched)));
 
-		if (!job)
+		if (!sched_job)
 			continue;
 
-		entity = job->s_entity;
+		entity = sched_job->s_entity;
+		s_fence = sched_job->s_fence;
 		atomic_inc(&sched->hw_rq_count);
-		fence = sched->ops->run_job(job);
+		fence = sched->ops->run_job(sched_job);
 		if (fence) {
-			r = fence_add_callback(fence, &job->cb,
+			r = fence_add_callback(fence, &s_fence->cb,
 					       amd_sched_process_job);
 			if (r == -ENOENT)
-				amd_sched_process_job(fence, &job->cb);
+				amd_sched_process_job(fence, &s_fence->cb);
 			else if (r)
 				DRM_ERROR("fence add callback failed (%d)\n", r);
 			fence_put(fence);
+		} else {
+			DRM_ERROR("Failed to run job!\n");
+			amd_sched_process_job(NULL, &s_fence->cb);
 		}
 
-		count = kfifo_out(&entity->job_queue, &job, sizeof(job));
-		WARN_ON(count != sizeof(job));
+		count = kfifo_out(&entity->job_queue, &sched_job,
+				sizeof(sched_job));
+		WARN_ON(count != sizeof(sched_job));
 		wake_up(&sched->job_scheduled);
 	}
 	return 0;
 }
 
 /**
- * Create a gpu scheduler
+ * Init a gpu scheduler instance
  *
+ * @sched		The pointer to the scheduler
  * @ops			The backend operations for this scheduler.
- * @ring		The the ring id for the scheduler.
  * @hw_submissions	Number of hw submissions to do.
+ * @name		Name used for debugging
  *
- * Return the pointer to scheduler for success, otherwise return NULL
+ * Return 0 on success, otherwise error code.
 */
-struct amd_gpu_scheduler *amd_sched_create(struct amd_sched_backend_ops *ops,
-					   unsigned ring, unsigned hw_submission,
-					   void *priv)
+int amd_sched_init(struct amd_gpu_scheduler *sched,
+		   struct amd_sched_backend_ops *ops,
+		   unsigned hw_submission, const char *name)
 {
-	struct amd_gpu_scheduler *sched;
-
-	sched = kzalloc(sizeof(struct amd_gpu_scheduler), GFP_KERNEL);
-	if (!sched)
-		return NULL;
-
 	sched->ops = ops;
-	sched->ring_id = ring;
 	sched->hw_submission_limit = hw_submission;
-	sched->priv = priv;
-	snprintf(sched->name, sizeof(sched->name), "amdgpu[%d]", ring);
+	sched->name = name;
 	amd_sched_rq_init(&sched->sched_rq);
 	amd_sched_rq_init(&sched->kernel_rq);
 
 	init_waitqueue_head(&sched->wake_up_worker);
 	init_waitqueue_head(&sched->job_scheduled);
 	atomic_set(&sched->hw_rq_count, 0);
+
 	/* Each scheduler will run on a seperate kernel thread */
 	sched->thread = kthread_run(amd_sched_main, sched, sched->name);
 	if (IS_ERR(sched->thread)) {
-		DRM_ERROR("Failed to create scheduler for id %d.\n", ring);
-		kfree(sched);
-		return NULL;
+		DRM_ERROR("Failed to create scheduler for %s.\n", name);
+		return PTR_ERR(sched->thread);
 	}
 
-	return sched;
+	return 0;
 }
 
 /**
  * Destroy a gpu scheduler
  *
  * @sched	The pointer to the scheduler
- *
- * return 0 if succeed. -1 if failed.
  */
-int amd_sched_destroy(struct amd_gpu_scheduler *sched)
+void amd_sched_fini(struct amd_gpu_scheduler *sched)
 {
 	kthread_stop(sched->thread);
-	kfree(sched);
-	return  0;
 }
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 2af0e4d..80b64dc 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -38,13 +38,15 @@
 */
 struct amd_sched_entity {
 	struct list_head		list;
-	struct amd_sched_rq		*belongto_rq;
-	atomic_t			fence_seq;
-	/* the job_queue maintains the jobs submitted by clients */
-	struct kfifo                    job_queue;
+	struct amd_sched_rq		*rq;
+	struct amd_gpu_scheduler	*sched;
+
 	spinlock_t			queue_lock;
-	struct amd_gpu_scheduler	*scheduler;
+	struct kfifo                    job_queue;
+
+	atomic_t			fence_seq;
 	uint64_t                        fence_context;
+
 	struct fence			*dependency;
 	struct fence_cb			cb;
 };
@@ -62,13 +64,13 @@
 
 struct amd_sched_fence {
 	struct fence                    base;
-	struct amd_gpu_scheduler	*scheduler;
+	struct fence_cb                 cb;
+	struct amd_gpu_scheduler	*sched;
 	spinlock_t			lock;
 	void                            *owner;
 };
 
 struct amd_sched_job {
-	struct fence_cb                 cb;
 	struct amd_gpu_scheduler        *sched;
 	struct amd_sched_entity         *s_entity;
 	struct amd_sched_fence          *s_fence;
@@ -91,32 +93,29 @@
  * these functions should be implemented in driver side
 */
 struct amd_sched_backend_ops {
-	struct fence *(*dependency)(struct amd_sched_job *job);
-	struct fence *(*run_job)(struct amd_sched_job *job);
-	void (*process_job)(struct amd_sched_job *job);
+	struct fence *(*dependency)(struct amd_sched_job *sched_job);
+	struct fence *(*run_job)(struct amd_sched_job *sched_job);
 };
 
 /**
  * One scheduler is implemented for each hardware ring
 */
 struct amd_gpu_scheduler {
-	struct task_struct		*thread;
+	struct amd_sched_backend_ops	*ops;
+	uint32_t			hw_submission_limit;
+	const char			*name;
 	struct amd_sched_rq		sched_rq;
 	struct amd_sched_rq		kernel_rq;
-	atomic_t			hw_rq_count;
-	struct amd_sched_backend_ops	*ops;
-	uint32_t			ring_id;
 	wait_queue_head_t		wake_up_worker;
 	wait_queue_head_t		job_scheduled;
-	uint32_t                        hw_submission_limit;
-	char                            name[20];
-	void                            *priv;
+	atomic_t			hw_rq_count;
+	struct task_struct		*thread;
 };
 
-struct amd_gpu_scheduler *
-amd_sched_create(struct amd_sched_backend_ops *ops,
-		 uint32_t ring, uint32_t hw_submission, void *priv);
-int amd_sched_destroy(struct amd_gpu_scheduler *sched);
+int amd_sched_init(struct amd_gpu_scheduler *sched,
+		   struct amd_sched_backend_ops *ops,
+		   uint32_t hw_submission, const char *name);
+void amd_sched_fini(struct amd_gpu_scheduler *sched);
 
 int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
 			  struct amd_sched_entity *entity,
diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c
index e62c379..d802638 100644
--- a/drivers/gpu/drm/amd/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c
@@ -36,7 +36,7 @@
 	if (fence == NULL)
 		return NULL;
 	fence->owner = owner;
-	fence->scheduler = s_entity->scheduler;
+	fence->sched = s_entity->sched;
 	spin_lock_init(&fence->lock);
 
 	seq = atomic_inc_return(&s_entity->fence_seq);
@@ -63,7 +63,7 @@
 static const char *amd_sched_fence_get_timeline_name(struct fence *f)
 {
 	struct amd_sched_fence *fence = to_amd_sched_fence(f);
-	return (const char *)fence->scheduler->name;
+	return (const char *)fence->sched->name;
 }
 
 static bool amd_sched_fence_enable_signaling(struct fence *f)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index e23df5f..bf27a07 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -53,8 +53,8 @@
 				  struct drm_dp_mst_port *port,
 				  int offset, int size, u8 *bytes);
 
-static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
-				    struct drm_dp_mst_branch *mstb);
+static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
+				     struct drm_dp_mst_branch *mstb);
 static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
 					   struct drm_dp_mst_branch *mstb,
 					   struct drm_dp_mst_port *port);
@@ -804,8 +804,6 @@
 	struct drm_dp_mst_port *port, *tmp;
 	bool wake_tx = false;
 
-	cancel_work_sync(&mstb->mgr->work);
-
 	/*
 	 * destroy all ports - don't need lock
 	 * as there are no more references to the mst branch
@@ -863,29 +861,33 @@
 {
 	struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref);
 	struct drm_dp_mst_topology_mgr *mgr = port->mgr;
+
 	if (!port->input) {
 		port->vcpi.num_slots = 0;
 
 		kfree(port->cached_edid);
 
-		/* we can't destroy the connector here, as
-		   we might be holding the mode_config.mutex
-		   from an EDID retrieval */
+		/*
+		 * The only time we don't have a connector
+		 * on an output port is if the connector init
+		 * fails.
+		 */
 		if (port->connector) {
+			/* we can't destroy the connector here, as
+			 * we might be holding the mode_config.mutex
+			 * from an EDID retrieval */
+
 			mutex_lock(&mgr->destroy_connector_lock);
 			list_add(&port->next, &mgr->destroy_connector_list);
 			mutex_unlock(&mgr->destroy_connector_lock);
 			schedule_work(&mgr->destroy_connector_work);
 			return;
 		}
+		/* no need to clean up vcpi
+		 * as if we have no connector we never setup a vcpi */
 		drm_dp_port_teardown_pdt(port, port->pdt);
-
-		if (!port->input && port->vcpi.vcpi > 0)
-			drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi);
 	}
 	kfree(port);
-
-	(*mgr->cbs->hotplug)(mgr);
 }
 
 static void drm_dp_put_port(struct drm_dp_mst_port *port)
@@ -1027,8 +1029,8 @@
 	}
 }
 
-static void build_mst_prop_path(struct drm_dp_mst_port *port,
-				struct drm_dp_mst_branch *mstb,
+static void build_mst_prop_path(const struct drm_dp_mst_branch *mstb,
+				int pnum,
 				char *proppath,
 				size_t proppath_size)
 {
@@ -1041,7 +1043,7 @@
 		snprintf(temp, sizeof(temp), "-%d", port_num);
 		strlcat(proppath, temp, proppath_size);
 	}
-	snprintf(temp, sizeof(temp), "-%d", port->port_num);
+	snprintf(temp, sizeof(temp), "-%d", pnum);
 	strlcat(proppath, temp, proppath_size);
 }
 
@@ -1105,22 +1107,32 @@
 		drm_dp_port_teardown_pdt(port, old_pdt);
 
 		ret = drm_dp_port_setup_pdt(port);
-		if (ret == true) {
+		if (ret == true)
 			drm_dp_send_link_address(mstb->mgr, port->mstb);
-			port->mstb->link_address_sent = true;
-		}
 	}
 
 	if (created && !port->input) {
 		char proppath[255];
-		build_mst_prop_path(port, mstb, proppath, sizeof(proppath));
-		port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath);
 
-		if (port->port_num >= 8) {
-			port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc);
+		build_mst_prop_path(mstb, port->port_num, proppath, sizeof(proppath));
+		port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath);
+		if (!port->connector) {
+			/* remove it from the port list */
+			mutex_lock(&mstb->mgr->lock);
+			list_del(&port->next);
+			mutex_unlock(&mstb->mgr->lock);
+			/* drop port list reference */
+			drm_dp_put_port(port);
+			goto out;
 		}
+		if (port->port_num >= DP_MST_LOGICAL_PORT_0) {
+			port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc);
+			drm_mode_connector_set_tile_property(port->connector);
+		}
+		(*mstb->mgr->cbs->register_connector)(port->connector);
 	}
 
+out:
 	/* put reference to this port */
 	drm_dp_put_port(port);
 }
@@ -1202,10 +1214,9 @@
 {
 	struct drm_dp_mst_port *port;
 	struct drm_dp_mst_branch *mstb_child;
-	if (!mstb->link_address_sent) {
+	if (!mstb->link_address_sent)
 		drm_dp_send_link_address(mgr, mstb);
-		mstb->link_address_sent = true;
-	}
+
 	list_for_each_entry(port, &mstb->ports, next) {
 		if (port->input)
 			continue;
@@ -1458,8 +1469,8 @@
 	mutex_unlock(&mgr->qlock);
 }
 
-static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
-				    struct drm_dp_mst_branch *mstb)
+static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
+				     struct drm_dp_mst_branch *mstb)
 {
 	int len;
 	struct drm_dp_sideband_msg_tx *txmsg;
@@ -1467,11 +1478,12 @@
 
 	txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
 	if (!txmsg)
-		return -ENOMEM;
+		return;
 
 	txmsg->dst = mstb;
 	len = build_link_address(txmsg);
 
+	mstb->link_address_sent = true;
 	drm_dp_queue_down_tx(mgr, txmsg);
 
 	ret = drm_dp_mst_wait_tx_reply(mstb, txmsg);
@@ -1499,11 +1511,12 @@
 			}
 			(*mgr->cbs->hotplug)(mgr);
 		}
-	} else
+	} else {
+		mstb->link_address_sent = false;
 		DRM_DEBUG_KMS("link address failed %d\n", ret);
+	}
 
 	kfree(txmsg);
-	return 0;
 }
 
 static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
@@ -1978,6 +1991,8 @@
 	drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
 			   DP_MST_EN | DP_UPSTREAM_IS_SRC);
 	mutex_unlock(&mgr->lock);
+	flush_work(&mgr->work);
+	flush_work(&mgr->destroy_connector_work);
 }
 EXPORT_SYMBOL(drm_dp_mst_topology_mgr_suspend);
 
@@ -2263,10 +2278,10 @@
 
 	if (port->cached_edid)
 		edid = drm_edid_duplicate(port->cached_edid);
-	else
+	else {
 		edid = drm_get_edid(connector, &port->aux.ddc);
-
-	drm_mode_connector_set_tile_property(connector);
+		drm_mode_connector_set_tile_property(connector);
+	}
 	drm_dp_put_port(port);
 	return edid;
 }
@@ -2671,7 +2686,7 @@
 {
 	struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, destroy_connector_work);
 	struct drm_dp_mst_port *port;
-
+	bool send_hotplug = false;
 	/*
 	 * Not a regular list traverse as we have to drop the destroy
 	 * connector lock before destroying the connector, to avoid AB->BA
@@ -2694,7 +2709,10 @@
 		if (!port->input && port->vcpi.vcpi > 0)
 			drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi);
 		kfree(port);
+		send_hotplug = true;
 	}
+	if (send_hotplug)
+		(*mgr->cbs->hotplug)(mgr);
 }
 
 /**
@@ -2747,6 +2765,7 @@
  */
 void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr)
 {
+	flush_work(&mgr->work);
 	flush_work(&mgr->destroy_connector_work);
 	mutex_lock(&mgr->payload_lock);
 	kfree(mgr->payloads);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 418d299..ca08c47 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -345,7 +345,11 @@
 		struct drm_crtc *crtc = mode_set->crtc;
 		int ret;
 
-		if (crtc->funcs->cursor_set) {
+		if (crtc->funcs->cursor_set2) {
+			ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0);
+			if (ret)
+				error = true;
+		} else if (crtc->funcs->cursor_set) {
 			ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0);
 			if (ret)
 				error = true;
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 9a860ca..d93e737 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -520,7 +520,8 @@
 
 /** Ioctl table */
 static const struct drm_ioctl_desc drm_ioctls[] = {
-	DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED|DRM_RENDER_ALLOW),
+	DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version,
+		      DRM_UNLOCKED|DRM_RENDER_ALLOW|DRM_CONTROL_ALLOW),
 	DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0),
 	DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0),
 	DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY),
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index d734780..a18164f 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -94,7 +94,18 @@
 }
 
 #define DRM_OUTPUT_POLL_PERIOD (10*HZ)
-static void __drm_kms_helper_poll_enable(struct drm_device *dev)
+/**
+ * drm_kms_helper_poll_enable_locked - re-enable output polling.
+ * @dev: drm_device
+ *
+ * This function re-enables the output polling work without
+ * locking the mode_config mutex.
+ *
+ * This is like drm_kms_helper_poll_enable() however it is to be
+ * called from a context where the mode_config mutex is locked
+ * already.
+ */
+void drm_kms_helper_poll_enable_locked(struct drm_device *dev)
 {
 	bool poll = false;
 	struct drm_connector *connector;
@@ -113,6 +124,8 @@
 	if (poll)
 		schedule_delayed_work(&dev->mode_config.output_poll_work, DRM_OUTPUT_POLL_PERIOD);
 }
+EXPORT_SYMBOL(drm_kms_helper_poll_enable_locked);
+
 
 static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connector *connector,
 							      uint32_t maxX, uint32_t maxY, bool merge_type_bits)
@@ -174,7 +187,7 @@
 
 	/* Re-enable polling in case the global poll config changed. */
 	if (drm_kms_helper_poll != dev->mode_config.poll_running)
-		__drm_kms_helper_poll_enable(dev);
+		drm_kms_helper_poll_enable_locked(dev);
 
 	dev->mode_config.poll_running = drm_kms_helper_poll;
 
@@ -428,7 +441,7 @@
 void drm_kms_helper_poll_enable(struct drm_device *dev)
 {
 	mutex_lock(&dev->mode_config.mutex);
-	__drm_kms_helper_poll_enable(dev);
+	drm_kms_helper_poll_enable_locked(dev);
 	mutex_unlock(&dev->mode_config.mutex);
 }
 EXPORT_SYMBOL(drm_kms_helper_poll_enable);
diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index cbdb78e..e6cbaca 100644
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -37,7 +37,6 @@
  * DECON stands for Display and Enhancement controller.
  */
 
-#define DECON_DEFAULT_FRAMERATE 60
 #define MIN_FB_WIDTH_FOR_16WORD_BURST 128
 
 #define WINDOWS_NR	2
@@ -165,16 +164,6 @@
 	return (clkdiv < 0x100) ? clkdiv : 0xff;
 }
 
-static bool decon_mode_fixup(struct exynos_drm_crtc *crtc,
-		const struct drm_display_mode *mode,
-		struct drm_display_mode *adjusted_mode)
-{
-	if (adjusted_mode->vrefresh == 0)
-		adjusted_mode->vrefresh = DECON_DEFAULT_FRAMERATE;
-
-	return true;
-}
-
 static void decon_commit(struct exynos_drm_crtc *crtc)
 {
 	struct decon_context *ctx = crtc->ctx;
@@ -637,7 +626,6 @@
 static const struct exynos_drm_crtc_ops decon_crtc_ops = {
 	.enable = decon_enable,
 	.disable = decon_disable,
-	.mode_fixup = decon_mode_fixup,
 	.commit = decon_commit,
 	.enable_vblank = decon_enable_vblank,
 	.disable_vblank = decon_disable_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index d66ade0..124fb9a 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -1383,28 +1383,6 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int exynos_dp_suspend(struct device *dev)
-{
-	struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
-	exynos_dp_disable(&dp->encoder);
-	return 0;
-}
-
-static int exynos_dp_resume(struct device *dev)
-{
-	struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
-	exynos_dp_enable(&dp->encoder);
-	return 0;
-}
-#endif
-
-static const struct dev_pm_ops exynos_dp_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(exynos_dp_suspend, exynos_dp_resume)
-};
-
 static const struct of_device_id exynos_dp_match[] = {
 	{ .compatible = "samsung,exynos5-dp" },
 	{},
@@ -1417,7 +1395,6 @@
 	.driver		= {
 		.name	= "exynos-dp",
 		.owner	= THIS_MODULE,
-		.pm	= &exynos_dp_pm_ops,
 		.of_match_table = exynos_dp_match,
 	},
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index c68a6a2..7f55ba6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -28,7 +28,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(exynos_drm_subdrv_register);
 
 int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv)
 {
@@ -39,7 +38,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister);
 
 int exynos_drm_device_subdrv_probe(struct drm_device *dev)
 {
@@ -69,7 +67,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(exynos_drm_device_subdrv_probe);
 
 int exynos_drm_device_subdrv_remove(struct drm_device *dev)
 {
@@ -87,7 +84,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(exynos_drm_device_subdrv_remove);
 
 int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file)
 {
@@ -111,7 +107,6 @@
 	}
 	return ret;
 }
-EXPORT_SYMBOL_GPL(exynos_drm_subdrv_open);
 
 void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file)
 {
@@ -122,4 +117,3 @@
 			subdrv->close(dev, subdrv->dev, file);
 	}
 }
-EXPORT_SYMBOL_GPL(exynos_drm_subdrv_close);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 0872aa2f..ed28823 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -41,20 +41,6 @@
 		exynos_crtc->ops->disable(exynos_crtc);
 }
 
-static bool
-exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
-			    const struct drm_display_mode *mode,
-			    struct drm_display_mode *adjusted_mode)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-	if (exynos_crtc->ops->mode_fixup)
-		return exynos_crtc->ops->mode_fixup(exynos_crtc, mode,
-						    adjusted_mode);
-
-	return true;
-}
-
 static void
 exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
 {
@@ -99,7 +85,6 @@
 static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
 	.enable		= exynos_drm_crtc_enable,
 	.disable	= exynos_drm_crtc_disable,
-	.mode_fixup	= exynos_drm_crtc_mode_fixup,
 	.mode_set_nofb	= exynos_drm_crtc_mode_set_nofb,
 	.atomic_begin	= exynos_crtc_atomic_begin,
 	.atomic_flush	= exynos_crtc_atomic_flush,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 831d2e4..ae9e6b2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -304,6 +304,7 @@
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int exynos_drm_suspend(struct drm_device *dev, pm_message_t state)
 {
 	struct drm_connector *connector;
@@ -340,6 +341,7 @@
 
 	return 0;
 }
+#endif
 
 static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
 {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index b7ba21d..6c717ba 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -82,7 +82,6 @@
  *
  * @enable: enable the device
  * @disable: disable the device
- * @mode_fixup: fix mode data before applying it
  * @commit: set current hw specific display mode to hw.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
@@ -103,9 +102,6 @@
 struct exynos_drm_crtc_ops {
 	void (*enable)(struct exynos_drm_crtc *crtc);
 	void (*disable)(struct exynos_drm_crtc *crtc);
-	bool (*mode_fixup)(struct exynos_drm_crtc *crtc,
-				const struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode);
 	void (*commit)(struct exynos_drm_crtc *crtc);
 	int (*enable_vblank)(struct exynos_drm_crtc *crtc);
 	void (*disable_vblank)(struct exynos_drm_crtc *crtc);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 2a65235..dd3a5e6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -1206,23 +1206,6 @@
 	.set_addr = fimc_dst_set_addr,
 };
 
-static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
-{
-	DRM_DEBUG_KMS("enable[%d]\n", enable);
-
-	if (enable) {
-		clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
-		clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
-		ctx->suspended = false;
-	} else {
-		clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
-		clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
-		ctx->suspended = true;
-	}
-
-	return 0;
-}
-
 static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
 {
 	struct fimc_context *ctx = dev_id;
@@ -1780,6 +1763,24 @@
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
+{
+	DRM_DEBUG_KMS("enable[%d]\n", enable);
+
+	if (enable) {
+		clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
+		clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
+		ctx->suspended = false;
+	} else {
+		clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
+		clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
+		ctx->suspended = true;
+	}
+
+	return 0;
+}
+
 #ifdef CONFIG_PM_SLEEP
 static int fimc_suspend(struct device *dev)
 {
@@ -1806,7 +1807,6 @@
 }
 #endif
 
-#ifdef CONFIG_PM
 static int fimc_runtime_suspend(struct device *dev)
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 750a9e6..3d1aba6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -41,7 +41,6 @@
  * CPU Interface.
  */
 
-#define FIMD_DEFAULT_FRAMERATE 60
 #define MIN_FB_WIDTH_FOR_16WORD_BURST 128
 
 /* position control register for hardware window 0, 2 ~ 4.*/
@@ -377,16 +376,6 @@
 	return (clkdiv < 0x100) ? clkdiv : 0xff;
 }
 
-static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc,
-		const struct drm_display_mode *mode,
-		struct drm_display_mode *adjusted_mode)
-{
-	if (adjusted_mode->vrefresh == 0)
-		adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
-
-	return true;
-}
-
 static void fimd_commit(struct exynos_drm_crtc *crtc)
 {
 	struct fimd_context *ctx = crtc->ctx;
@@ -882,13 +871,12 @@
 		return;
 
 	val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
-	writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON);
+	writel(val, ctx->regs + DP_MIE_CLKCON);
 }
 
 static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
 	.enable = fimd_enable,
 	.disable = fimd_disable,
-	.mode_fixup = fimd_mode_fixup,
 	.commit = fimd_commit,
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 3734c34..c17efdb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -1059,7 +1059,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(exynos_g2d_get_ver_ioctl);
 
 int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data,
 				 struct drm_file *file)
@@ -1230,7 +1229,6 @@
 	g2d_put_cmdlist(g2d, node);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(exynos_g2d_set_cmdlist_ioctl);
 
 int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data,
 			  struct drm_file *file)
@@ -1293,7 +1291,6 @@
 out:
 	return 0;
 }
-EXPORT_SYMBOL_GPL(exynos_g2d_exec_ioctl);
 
 static int g2d_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index f12fbc3..407afed 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -56,39 +56,35 @@
 	nr_pages = obj->size >> PAGE_SHIFT;
 
 	if (!is_drm_iommu_supported(dev)) {
-		dma_addr_t start_addr;
-		unsigned int i = 0;
-
 		obj->pages = drm_calloc_large(nr_pages, sizeof(struct page *));
 		if (!obj->pages) {
 			DRM_ERROR("failed to allocate pages.\n");
 			return -ENOMEM;
 		}
+	}
 
-		obj->cookie = dma_alloc_attrs(dev->dev,
-					obj->size,
-					&obj->dma_addr, GFP_KERNEL,
-					&obj->dma_attrs);
-		if (!obj->cookie) {
-			DRM_ERROR("failed to allocate buffer.\n");
+	obj->cookie = dma_alloc_attrs(dev->dev, obj->size, &obj->dma_addr,
+				      GFP_KERNEL, &obj->dma_attrs);
+	if (!obj->cookie) {
+		DRM_ERROR("failed to allocate buffer.\n");
+		if (obj->pages)
 			drm_free_large(obj->pages);
-			return -ENOMEM;
-		}
+		return -ENOMEM;
+	}
+
+	if (obj->pages) {
+		dma_addr_t start_addr;
+		unsigned int i = 0;
 
 		start_addr = obj->dma_addr;
 		while (i < nr_pages) {
-			obj->pages[i] = phys_to_page(start_addr);
+			obj->pages[i] = pfn_to_page(dma_to_pfn(dev->dev,
+							       start_addr));
 			start_addr += PAGE_SIZE;
 			i++;
 		}
 	} else {
-		obj->pages = dma_alloc_attrs(dev->dev, obj->size,
-					&obj->dma_addr, GFP_KERNEL,
-					&obj->dma_attrs);
-		if (!obj->pages) {
-			DRM_ERROR("failed to allocate buffer.\n");
-			return -ENOMEM;
-		}
+		obj->pages = obj->cookie;
 	}
 
 	DRM_DEBUG_KMS("dma_addr(0x%lx), size(0x%lx)\n",
@@ -110,15 +106,11 @@
 	DRM_DEBUG_KMS("dma_addr(0x%lx), size(0x%lx)\n",
 			(unsigned long)obj->dma_addr, obj->size);
 
-	if (!is_drm_iommu_supported(dev)) {
-		dma_free_attrs(dev->dev, obj->size, obj->cookie,
-				(dma_addr_t)obj->dma_addr, &obj->dma_attrs);
-		drm_free_large(obj->pages);
-	} else
-		dma_free_attrs(dev->dev, obj->size, obj->pages,
-				(dma_addr_t)obj->dma_addr, &obj->dma_attrs);
+	dma_free_attrs(dev->dev, obj->size, obj->cookie,
+			(dma_addr_t)obj->dma_addr, &obj->dma_attrs);
 
-	obj->dma_addr = (dma_addr_t)NULL;
+	if (!is_drm_iommu_supported(dev))
+		drm_free_large(obj->pages);
 }
 
 static int exynos_drm_gem_handle_create(struct drm_gem_object *obj,
@@ -156,18 +148,14 @@
 	 * once dmabuf's refcount becomes 0.
 	 */
 	if (obj->import_attach)
-		goto out;
-
-	exynos_drm_free_buf(exynos_gem_obj);
-
-out:
-	drm_gem_free_mmap_offset(obj);
+		drm_prime_gem_destroy(obj, exynos_gem_obj->sgt);
+	else
+		exynos_drm_free_buf(exynos_gem_obj);
 
 	/* release file pointer to gem object. */
 	drm_gem_object_release(obj);
 
 	kfree(exynos_gem_obj);
-	exynos_gem_obj = NULL;
 }
 
 unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
@@ -190,8 +178,7 @@
 	return exynos_gem_obj->size;
 }
 
-
-struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev,
+static struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev,
 						      unsigned long size)
 {
 	struct exynos_drm_gem_obj *exynos_gem_obj;
@@ -212,6 +199,13 @@
 		return ERR_PTR(ret);
 	}
 
+	ret = drm_gem_create_mmap_offset(obj);
+	if (ret < 0) {
+		drm_gem_object_release(obj);
+		kfree(exynos_gem_obj);
+		return ERR_PTR(ret);
+	}
+
 	DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);
 
 	return exynos_gem_obj;
@@ -313,7 +307,7 @@
 	drm_gem_object_unreference_unlocked(obj);
 }
 
-int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem_obj *exynos_gem_obj,
+static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem_obj *exynos_gem_obj,
 				      struct vm_area_struct *vma)
 {
 	struct drm_device *drm_dev = exynos_gem_obj->base.dev;
@@ -342,7 +336,8 @@
 
 int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
 				      struct drm_file *file_priv)
-{	struct exynos_drm_gem_obj *exynos_gem_obj;
+{
+	struct exynos_drm_gem_obj *exynos_gem_obj;
 	struct drm_exynos_gem_info *args = data;
 	struct drm_gem_object *obj;
 
@@ -402,6 +397,7 @@
 			       struct drm_mode_create_dumb *args)
 {
 	struct exynos_drm_gem_obj *exynos_gem_obj;
+	unsigned int flags;
 	int ret;
 
 	/*
@@ -413,16 +409,12 @@
 	args->pitch = args->width * ((args->bpp + 7) / 8);
 	args->size = args->pitch * args->height;
 
-	if (is_drm_iommu_supported(dev)) {
-		exynos_gem_obj = exynos_drm_gem_create(dev,
-			EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC,
-			args->size);
-	} else {
-		exynos_gem_obj = exynos_drm_gem_create(dev,
-			EXYNOS_BO_CONTIG | EXYNOS_BO_WC,
-			args->size);
-	}
+	if (is_drm_iommu_supported(dev))
+		flags = EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC;
+	else
+		flags = EXYNOS_BO_CONTIG | EXYNOS_BO_WC;
 
+	exynos_gem_obj = exynos_drm_gem_create(dev, flags, args->size);
 	if (IS_ERR(exynos_gem_obj)) {
 		dev_warn(dev->dev, "FB allocation failed.\n");
 		return PTR_ERR(exynos_gem_obj);
@@ -460,14 +452,9 @@
 		goto unlock;
 	}
 
-	ret = drm_gem_create_mmap_offset(obj);
-	if (ret)
-		goto out;
-
 	*offset = drm_vma_node_offset_addr(&obj->vma_node);
 	DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset);
 
-out:
 	drm_gem_object_unreference(obj);
 unlock:
 	mutex_unlock(&dev->struct_mutex);
@@ -543,7 +530,6 @@
 
 err_close_vm:
 	drm_gem_vm_close(vma);
-	drm_gem_free_mmap_offset(obj);
 
 	return ret;
 }
@@ -588,6 +574,8 @@
 	if (ret < 0)
 		goto err_free_large;
 
+	exynos_gem_obj->sgt = sgt;
+
 	if (sgt->nents == 1) {
 		/* always physically continuous memory if sgt->nents is 1. */
 		exynos_gem_obj->flags |= EXYNOS_BO_CONTIG;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index cd62f84..b62d100 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -39,6 +39,7 @@
  *	- this address could be physical address without IOMMU and
  *	device address with IOMMU.
  * @pages: Array of backing pages.
+ * @sgt: Imported sg_table.
  *
  * P.S. this object would be transferred to user as kms_bo.handle so
  *	user can access the buffer through kms_bo.handle.
@@ -52,6 +53,7 @@
 	dma_addr_t		dma_addr;
 	struct dma_attrs	dma_attrs;
 	struct page		**pages;
+	struct sg_table		*sgt;
 };
 
 struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask);
@@ -59,10 +61,6 @@
 /* destroy a buffer with gem object */
 void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj);
 
-/* create a private gem object and initialize it. */
-struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev,
-						      unsigned long size);
-
 /* create a new buffer with gem object */
 struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
 						unsigned int flags,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index 425e706..2f5c118 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -786,6 +786,7 @@
 	return 0;
 }
 
+#ifdef CONFIG_PM
 static int rotator_clk_crtl(struct rot_context *rot, bool enable)
 {
 	if (enable) {
@@ -822,7 +823,6 @@
 }
 #endif
 
-#ifdef CONFIG_PM
 static int rotator_runtime_suspend(struct device *dev)
 {
 	struct rot_context *rot = dev_get_drvdata(dev);
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
index 82be6b8..d1e300d 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
@@ -58,7 +58,8 @@
 					     struct drm_plane_state *old_state)
 {
 	struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private;
-	unsigned int index, value, ret;
+	unsigned int value;
+	int index, ret;
 
 	index = fsl_dcu_drm_plane_index(plane);
 	if (index < 0)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5a244ab..39d73db 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -640,6 +640,32 @@
 		position = __raw_i915_read32(dev_priv, PIPEDSL(pipe)) & DSL_LINEMASK_GEN3;
 
 	/*
+	 * On HSW, the DSL reg (0x70000) appears to return 0 if we
+	 * read it just before the start of vblank.  So try it again
+	 * so we don't accidentally end up spanning a vblank frame
+	 * increment, causing the pipe_update_end() code to squak at us.
+	 *
+	 * The nature of this problem means we can't simply check the ISR
+	 * bit and return the vblank start value; nor can we use the scanline
+	 * debug register in the transcoder as it appears to have the same
+	 * problem.  We may need to extend this to include other platforms,
+	 * but so far testing only shows the problem on HSW.
+	 */
+	if (IS_HASWELL(dev) && !position) {
+		int i, temp;
+
+		for (i = 0; i < 100; i++) {
+			udelay(1);
+			temp = __raw_i915_read32(dev_priv, PIPEDSL(pipe)) &
+				DSL_LINEMASK_GEN3;
+			if (temp != position) {
+				position = temp;
+				break;
+			}
+		}
+	}
+
+	/*
 	 * See update_scanline_offset() for the details on the
 	 * scanline_offset adjustment.
 	 */
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 89c1a8ce..2a5c76f 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -430,7 +430,7 @@
 
 /**
  * intel_audio_codec_disable - Disable the audio codec for HD audio
- * @encoder: encoder on which to disable audio
+ * @intel_encoder: encoder on which to disable audio
  *
  * The disable sequences must be performed before disabling the transcoder or
  * port.
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index b3e437b..c19e669 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -42,7 +42,7 @@
 	const struct bdb_header *bdb = _bdb;
 	const u8 *base = _bdb;
 	int index = 0;
-	u16 total, current_size;
+	u32 total, current_size;
 	u8 current_id;
 
 	/* skip to first section */
@@ -57,6 +57,10 @@
 		current_size = *((const u16 *)(base + index));
 		index += 2;
 
+		/* The MIPI Sequence Block v3+ has a separate size field. */
+		if (current_id == BDB_MIPI_SEQUENCE && *(base + index) >= 3)
+			current_size = *((const u32 *)(base + index + 1));
+
 		if (index + current_size > total)
 			return NULL;
 
@@ -799,6 +803,12 @@
 		return;
 	}
 
+	/* Fail gracefully for forward incompatible sequence block. */
+	if (sequence->version >= 3) {
+		DRM_ERROR("Unable to parse MIPI Sequence Block v3+\n");
+		return;
+	}
+
 	DRM_DEBUG_DRIVER("Found MIPI sequence block\n");
 
 	block_size = get_blocksize(sequence);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8cc9264..cf418be 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15087,9 +15087,12 @@
 
 		plane_state = to_intel_plane_state(p->base.state);
 
-		if (p->base.type == DRM_PLANE_TYPE_PRIMARY)
+		if (p->base.type == DRM_PLANE_TYPE_PRIMARY) {
 			plane_state->visible = primary_get_hw_state(crtc);
-		else {
+			if (plane_state->visible)
+				crtc->base.state->plane_mask |=
+					1 << drm_plane_index(&p->base);
+		} else {
 			if (active)
 				p->disable_plane(&p->base, &crtc->base);
 
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 3e4be5a..6ade068 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -462,11 +462,17 @@
 	drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0);
 
 	drm_mode_connector_set_path_property(connector, pathprop);
+	return connector;
+}
+
+static void intel_dp_register_mst_connector(struct drm_connector *connector)
+{
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct drm_device *dev = connector->dev;
 	drm_modeset_lock_all(dev);
 	intel_connector_add_to_fbdev(intel_connector);
 	drm_modeset_unlock_all(dev);
 	drm_connector_register(&intel_connector->base);
-	return connector;
 }
 
 static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
@@ -512,6 +518,7 @@
 
 static struct drm_dp_mst_topology_cbs mst_cbs = {
 	.add_connector = intel_dp_add_mst_connector,
+	.register_connector = intel_dp_register_mst_connector,
 	.destroy_connector = intel_dp_destroy_mst_connector,
 	.hotplug = intel_dp_mst_hotplug,
 };
diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c
index 53c0173..b177857 100644
--- a/drivers/gpu/drm/i915/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/intel_hotplug.c
@@ -180,7 +180,7 @@
 
 	/* Enable polling and queue hotplug re-enabling. */
 	if (hpd_disabled) {
-		drm_kms_helper_poll_enable(dev);
+		drm_kms_helper_poll_enable_locked(dev);
 		mod_delayed_work(system_wq, &dev_priv->hotplug.reenable_work,
 				 msecs_to_jiffies(HPD_STORM_REENABLE_DELAY));
 	}
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 72e0edd..7412cae 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -484,18 +484,18 @@
 	status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring));
 
 	read_pointer = ring->next_context_status_buffer;
-	write_pointer = status_pointer & 0x07;
+	write_pointer = status_pointer & GEN8_CSB_PTR_MASK;
 	if (read_pointer > write_pointer)
-		write_pointer += 6;
+		write_pointer += GEN8_CSB_ENTRIES;
 
 	spin_lock(&ring->execlist_lock);
 
 	while (read_pointer < write_pointer) {
 		read_pointer++;
 		status = I915_READ(RING_CONTEXT_STATUS_BUF(ring) +
-				(read_pointer % 6) * 8);
+				(read_pointer % GEN8_CSB_ENTRIES) * 8);
 		status_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) +
-				(read_pointer % 6) * 8 + 4);
+				(read_pointer % GEN8_CSB_ENTRIES) * 8 + 4);
 
 		if (status & GEN8_CTX_STATUS_IDLE_ACTIVE)
 			continue;
@@ -521,10 +521,12 @@
 	spin_unlock(&ring->execlist_lock);
 
 	WARN(submit_contexts > 2, "More than two context complete events?\n");
-	ring->next_context_status_buffer = write_pointer % 6;
+	ring->next_context_status_buffer = write_pointer % GEN8_CSB_ENTRIES;
 
 	I915_WRITE(RING_CONTEXT_STATUS_PTR(ring),
-		   _MASKED_FIELD(0x07 << 8, ((u32)ring->next_context_status_buffer & 0x07) << 8));
+		   _MASKED_FIELD(GEN8_CSB_PTR_MASK << 8,
+				 ((u32)ring->next_context_status_buffer &
+				  GEN8_CSB_PTR_MASK) << 8));
 }
 
 static int execlists_context_queue(struct drm_i915_gem_request *request)
@@ -1422,6 +1424,7 @@
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	u8 next_context_status_buffer_hw;
 
 	I915_WRITE_IMR(ring, ~(ring->irq_enable_mask | ring->irq_keep_mask));
 	I915_WRITE(RING_HWSTAM(ring->mmio_base), 0xffffffff);
@@ -1436,7 +1439,29 @@
 		   _MASKED_BIT_DISABLE(GFX_REPLAY_MODE) |
 		   _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE));
 	POSTING_READ(RING_MODE_GEN7(ring));
-	ring->next_context_status_buffer = 0;
+
+	/*
+	 * Instead of resetting the Context Status Buffer (CSB) read pointer to
+	 * zero, we need to read the write pointer from hardware and use its
+	 * value because "this register is power context save restored".
+	 * Effectively, these states have been observed:
+	 *
+	 *      | Suspend-to-idle (freeze) | Suspend-to-RAM (mem) |
+	 * BDW  | CSB regs not reset       | CSB regs reset       |
+	 * CHT  | CSB regs not reset       | CSB regs not reset   |
+	 */
+	next_context_status_buffer_hw = (I915_READ(RING_CONTEXT_STATUS_PTR(ring))
+						   & GEN8_CSB_PTR_MASK);
+
+	/*
+	 * When the CSB registers are reset (also after power-up / gpu reset),
+	 * CSB write pointer is set to all 1's, which is not valid, use '5' in
+	 * this special case, so the first element read is CSB[0].
+	 */
+	if (next_context_status_buffer_hw == GEN8_CSB_PTR_MASK)
+		next_context_status_buffer_hw = (GEN8_CSB_ENTRIES - 1);
+
+	ring->next_context_status_buffer = next_context_status_buffer_hw;
 	DRM_DEBUG_DRIVER("Execlists enabled for %s\n", ring->name);
 
 	memset(&ring->hangcheck, 0, sizeof(ring->hangcheck));
diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h
index 64f89f99..3c63bb3 100644
--- a/drivers/gpu/drm/i915/intel_lrc.h
+++ b/drivers/gpu/drm/i915/intel_lrc.h
@@ -25,6 +25,8 @@
 #define _INTEL_LRC_H_
 
 #define GEN8_LR_CONTEXT_ALIGN 4096
+#define GEN8_CSB_ENTRIES 6
+#define GEN8_CSB_PTR_MASK 0x07
 
 /* Execlists regs */
 #define RING_ELSP(ring)			((ring)->mmio_base+0x230)
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index af7fdb3..7401cf9 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -246,7 +246,8 @@
 	}
 
 	if (power_well->data == SKL_DISP_PW_1) {
-		intel_prepare_ddi(dev);
+		if (!dev_priv->power_domains.initializing)
+			intel_prepare_ddi(dev);
 		gen8_irq_power_well_post_enable(dev_priv, 1 << PIPE_A);
 	}
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 87de15e..b35b5b2 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -186,17 +186,19 @@
 
 	sysram = vmalloc(size);
 	if (!sysram)
-		return -ENOMEM;
+		goto err_sysram;
 
 	info = drm_fb_helper_alloc_fbi(helper);
-	if (IS_ERR(info))
-		return PTR_ERR(info);
+	if (IS_ERR(info)) {
+		ret = PTR_ERR(info);
+		goto err_alloc_fbi;
+	}
 
 	info->par = mfbdev;
 
 	ret = mgag200_framebuffer_init(dev, &mfbdev->mfb, &mode_cmd, gobj);
 	if (ret)
-		return ret;
+		goto err_framebuffer_init;
 
 	mfbdev->sysram = sysram;
 	mfbdev->size = size;
@@ -225,7 +227,17 @@
 
 	DRM_DEBUG_KMS("allocated %dx%d\n",
 		      fb->width, fb->height);
+
 	return 0;
+
+err_framebuffer_init:
+	drm_fb_helper_release_fbi(helper);
+err_alloc_fbi:
+	vfree(sysram);
+err_sysram:
+	drm_gem_object_unreference_unlocked(gobj);
+
+	return ret;
 }
 
 static int mga_fbdev_destroy(struct drm_device *dev,
@@ -276,23 +288,26 @@
 	ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper,
 				 mdev->num_crtc, MGAG200FB_CONN_LIMIT);
 	if (ret)
-		return ret;
+		goto err_fb_helper;
 
 	ret = drm_fb_helper_single_add_all_connectors(&mfbdev->helper);
 	if (ret)
-		goto fini;
+		goto err_fb_setup;
 
 	/* disable all the possible outputs/crtcs before entering KMS mode */
 	drm_helper_disable_unused_functions(mdev->dev);
 
 	ret = drm_fb_helper_initial_config(&mfbdev->helper, bpp_sel);
 	if (ret)
-		goto fini;
+		goto err_fb_setup;
 
 	return 0;
 
-fini:
+err_fb_setup:
 	drm_fb_helper_fini(&mfbdev->helper);
+err_fb_helper:
+	mdev->mfbdev = NULL;
+
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index de06388..b1a0f56 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -220,7 +220,7 @@
 	}
 	r = mgag200_mm_init(mdev);
 	if (r)
-		goto out;
+		goto err_mm;
 
 	drm_mode_config_init(dev);
 	dev->mode_config.funcs = (void *)&mga_mode_funcs;
@@ -233,7 +233,7 @@
 	r = mgag200_modeset_init(mdev);
 	if (r) {
 		dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
-		goto out;
+		goto err_modeset;
 	}
 
 	/* Make small buffers to store a hardware cursor (double buffered icon updates) */
@@ -241,20 +241,24 @@
 					  &mdev->cursor.pixels_1);
 	mgag200_bo_create(dev, roundup(48*64, PAGE_SIZE), 0, 0,
 					  &mdev->cursor.pixels_2);
-	if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1)
-		goto cursor_nospace;
-	mdev->cursor.pixels_current = mdev->cursor.pixels_1;
-	mdev->cursor.pixels_prev = mdev->cursor.pixels_2;
-	goto cursor_done;
- cursor_nospace:
-	mdev->cursor.pixels_1 = NULL;
-	mdev->cursor.pixels_2 = NULL;
-	dev_warn(&dev->pdev->dev, "Could not allocate space for cursors. Not doing hardware cursors.\n");
- cursor_done:
+	if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1) {
+		mdev->cursor.pixels_1 = NULL;
+		mdev->cursor.pixels_2 = NULL;
+		dev_warn(&dev->pdev->dev,
+			"Could not allocate space for cursors. Not doing hardware cursors.\n");
+	} else {
+		mdev->cursor.pixels_current = mdev->cursor.pixels_1;
+		mdev->cursor.pixels_prev = mdev->cursor.pixels_2;
+	}
 
-out:
-	if (r)
-		mgag200_driver_unload(dev);
+	return 0;
+
+err_modeset:
+	drm_mode_config_cleanup(dev);
+	mgag200_mm_fini(mdev);
+err_mm:
+	dev->dev_private = NULL;
+
 	return r;
 }
 
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
index b1f73be..b0d4b53 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
@@ -178,7 +178,6 @@
 
 	irq_set_chip_and_handler(irq, &mdp5_hw_irq_chip, handle_level_irq);
 	irq_set_chip_data(irq, mdp5_kms);
-	set_irq_flags(irq, IRQF_VALID);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 7c6225c..4649bd2 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -618,7 +618,7 @@
 		  adjusted_mode->hdisplay,
 		  adjusted_mode->vdisplay);
 
-	if (qcrtc->index == 0)
+	if (bo->is_primary == false)
 		recreate_primary = true;
 
 	if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
@@ -886,13 +886,15 @@
 		drm_connector_to_qxl_output(connector);
 	struct drm_device *ddev = connector->dev;
 	struct qxl_device *qdev = ddev->dev_private;
-	int connected;
+	bool connected = false;
 
 	/* The first monitor is always connected */
-	connected = (output->index == 0) ||
-		    (qdev->client_monitors_config &&
-		     qdev->client_monitors_config->count > output->index &&
-		     qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
+	if (!qdev->client_monitors_config) {
+		if (output->index == 0)
+			connected = true;
+	} else
+		connected = qdev->client_monitors_config->count > output->index &&
+		     qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
 
 	DRM_DEBUG("#%d connected: %d\n", output->index, connected);
 	if (!connected)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index c387259..65adb9c 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1624,8 +1624,9 @@
 		} else
 			atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 		if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
-			args.ucAction = ATOM_LCD_BLON;
-			atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+			struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+
+			atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
 		}
 		break;
 	case DRM_MODE_DPMS_STANDBY:
@@ -1706,8 +1707,7 @@
 				atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
 		}
 		if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
-			atombios_dig_transmitter_setup(encoder,
-						       ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
+			atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
 		if (ext_encoder)
 			atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
 		break;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index d8319da..f3f562f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1573,10 +1573,12 @@
 
 	drm_kms_helper_poll_disable(dev);
 
+	drm_modeset_lock_all(dev);
 	/* turn off display hw */
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 	}
+	drm_modeset_unlock_all(dev);
 
 	/* unpin the front buffers and cursors */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -1734,9 +1736,11 @@
 	if (fbcon) {
 		drm_helper_resume_force_mode(dev);
 		/* turn on display hw */
+		drm_modeset_lock_all(dev);
 		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 		}
+		drm_modeset_unlock_all(dev);
 	}
 
 	drm_kms_helper_poll_enable(dev);
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index 5e09c06..6cddae4 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -265,7 +265,6 @@
 {
 	struct radeon_connector *master = container_of(mgr, struct radeon_connector, mst_mgr);
 	struct drm_device *dev = master->base.dev;
-	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_connector *radeon_connector;
 	struct drm_connector *connector;
 
@@ -286,12 +285,19 @@
 	drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0);
 	drm_mode_connector_set_path_property(connector, pathprop);
 
+	return connector;
+}
+
+static void radeon_dp_register_mst_connector(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct radeon_device *rdev = dev->dev_private;
+
 	drm_modeset_lock_all(dev);
 	radeon_fb_add_connector(rdev, connector);
 	drm_modeset_unlock_all(dev);
 
 	drm_connector_register(connector);
-	return connector;
 }
 
 static void radeon_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
@@ -324,6 +330,7 @@
 
 struct drm_dp_mst_topology_cbs mst_cbs = {
 	.add_connector = radeon_dp_add_mst_connector,
+	.register_connector = radeon_dp_register_mst_connector,
 	.destroy_connector = radeon_dp_destroy_mst_connector,
 	.hotplug = radeon_dp_mst_hotplug,
 };
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 7214858..1aa657f 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -48,40 +48,10 @@
 	struct radeon_device *rdev;
 };
 
-/**
- * radeon_fb_helper_set_par - Hide cursor on CRTCs used by fbdev.
- *
- * @info: fbdev info
- *
- * This function hides the cursor on all CRTCs used by fbdev.
- */
-static int radeon_fb_helper_set_par(struct fb_info *info)
-{
-	int ret;
-
-	ret = drm_fb_helper_set_par(info);
-
-	/* XXX: with universal plane support fbdev will automatically disable
-	 * all non-primary planes (including the cursor)
-	 */
-	if (ret == 0) {
-		struct drm_fb_helper *fb_helper = info->par;
-		int i;
-
-		for (i = 0; i < fb_helper->crtc_count; i++) {
-			struct drm_crtc *crtc = fb_helper->crtc_info[i].mode_set.crtc;
-
-			radeon_crtc_cursor_set2(crtc, NULL, 0, 0, 0, 0, 0);
-		}
-	}
-
-	return ret;
-}
-
 static struct fb_ops radeonfb_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = radeon_fb_helper_set_par,
+	.fb_set_par = drm_fb_helper_set_par,
 	.fb_fillrect = drm_fb_helper_cfb_fillrect,
 	.fb_copyarea = drm_fb_helper_cfb_copyarea,
 	.fb_imageblit = drm_fb_helper_cfb_imageblit,
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 787cd8f..e9115d3 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2927,6 +2927,7 @@
 	{ PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 },
 	{ PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 },
 	{ PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 },
+	{ PCI_VENDOR_ID_ATI, 0x6811, 0x1762, 0x2015, 0, 120000 },
 	{ 0, 0, 0, 0 },
 };
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 8d9b7de..745e996 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -882,6 +882,8 @@
 		if (ret)
 			return ret;
 		man = &bdev->man[mem_type];
+		if (!man->has_type || !man->use_type)
+			continue;
 
 		type_ok = ttm_bo_mt_compatible(man, mem_type, place,
 						&cur_flags);
@@ -889,6 +891,7 @@
 		if (!type_ok)
 			continue;
 
+		type_found = true;
 		cur_flags = ttm_bo_select_caching(man, bo->mem.placement,
 						  cur_flags);
 		/*
@@ -901,12 +904,10 @@
 		if (mem_type == TTM_PL_SYSTEM)
 			break;
 
-		if (man->has_type && man->use_type) {
-			type_found = true;
-			ret = (*man->func->get_node)(man, bo, place, mem);
-			if (unlikely(ret))
-				return ret;
-		}
+		ret = (*man->func->get_node)(man, bo, place, mem);
+		if (unlikely(ret))
+			return ret;
+		
 		if (mem->mm_node)
 			break;
 	}
@@ -917,9 +918,6 @@
 		return 0;
 	}
 
-	if (!type_found)
-		return -EINVAL;
-
 	for (i = 0; i < placement->num_busy_placement; ++i) {
 		const struct ttm_place *place = &placement->busy_placement[i];
 
@@ -927,11 +925,12 @@
 		if (ret)
 			return ret;
 		man = &bdev->man[mem_type];
-		if (!man->has_type)
+		if (!man->has_type || !man->use_type)
 			continue;
 		if (!ttm_bo_mt_compatible(man, mem_type, place, &cur_flags))
 			continue;
 
+		type_found = true;
 		cur_flags = ttm_bo_select_caching(man, bo->mem.placement,
 						  cur_flags);
 		/*
@@ -957,8 +956,13 @@
 		if (ret == -ERESTARTSYS)
 			has_erestartsys = true;
 	}
-	ret = (has_erestartsys) ? -ERESTARTSYS : -ENOMEM;
-	return ret;
+
+	if (!type_found) {
+		printk(KERN_ERR TTM_PFX "No compatible memory type found.\n");
+		return -EINVAL;
+	}
+
+	return (has_erestartsys) ? -ERESTARTSYS : -ENOMEM;
 }
 EXPORT_SYMBOL(ttm_bo_mem_space);
 
diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index 67720f7..b49445d 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -1,6 +1,6 @@
 config DRM_VMWGFX
 	tristate "DRM driver for VMware Virtual GPU"
-	depends on DRM && PCI
+	depends on DRM && PCI && X86
 	select FB_DEFERRED_IO
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
index 5ae8f92..8a76821 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
@@ -681,6 +681,14 @@
 					 0, 0,
 					 DRM_MM_SEARCH_DEFAULT,
 					 DRM_MM_CREATE_DEFAULT);
+	if (ret) {
+		(void) vmw_cmdbuf_man_process(man);
+		ret = drm_mm_insert_node_generic(&man->mm, info->node,
+						 info->page_size, 0, 0,
+						 DRM_MM_SEARCH_DEFAULT,
+						 DRM_MM_CREATE_DEFAULT);
+	}
+
 	spin_unlock_bh(&man->lock);
 	info->done = !ret;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index ce659a1..092ea81 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -311,7 +311,6 @@
 	struct vmw_private *dev_priv = res->dev_priv;
 	struct ttm_buffer_object *bo = val_buf->bo;
 	struct vmw_fence_obj *fence;
-	int ret;
 
 	if (list_empty(&res->mob_head))
 		return 0;
@@ -328,7 +327,7 @@
 	if (likely(fence != NULL))
 		vmw_fence_obj_unreference(&fence);
 
-	return ret;
+	return 0;
 }
 
 /**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index e13b20b..2c7a25c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -752,12 +752,8 @@
 	ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
 	dev_priv->active_master = &dev_priv->fbdev_master;
 
-
-	dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
-					       dev_priv->mmio_size);
-
-	dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
-					 dev_priv->mmio_size);
+	dev_priv->mmio_virt = ioremap_cache(dev_priv->mmio_start,
+					    dev_priv->mmio_size);
 
 	if (unlikely(dev_priv->mmio_virt == NULL)) {
 		ret = -ENOMEM;
@@ -913,7 +909,6 @@
 out_err4:
 	iounmap(dev_priv->mmio_virt);
 out_err3:
-	arch_phys_wc_del(dev_priv->mmio_mtrr);
 	vmw_ttm_global_release(dev_priv);
 out_err0:
 	for (i = vmw_res_context; i < vmw_res_max; ++i)
@@ -964,7 +959,6 @@
 
 	ttm_object_device_release(&dev_priv->tdev);
 	iounmap(dev_priv->mmio_virt);
-	arch_phys_wc_del(dev_priv->mmio_mtrr);
 	if (dev_priv->ctx.staged_bindings)
 		vmw_binding_state_free(dev_priv->ctx.staged_bindings);
 	vmw_ttm_global_release(dev_priv);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 6d02de6..f19fd39 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -376,7 +376,6 @@
 	uint32_t initial_width;
 	uint32_t initial_height;
 	u32 __iomem *mmio_virt;
-	int mmio_mtrr;
 	uint32_t capabilities;
 	uint32_t max_gmr_ids;
 	uint32_t max_gmr_pages;
@@ -631,7 +630,8 @@
 				 uint32_t size,
 				 bool shareable,
 				 uint32_t *handle,
-				 struct vmw_dma_buffer **p_dma_buf);
+				 struct vmw_dma_buffer **p_dma_buf,
+				 struct ttm_base_object **p_base);
 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
 				     struct vmw_dma_buffer *dma_buf,
 				     uint32_t *handle);
@@ -645,7 +645,8 @@
 					 uint32_t cur_validate_node);
 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
-				  uint32_t id, struct vmw_dma_buffer **out);
+				  uint32_t id, struct vmw_dma_buffer **out,
+				  struct ttm_base_object **base);
 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file_priv);
 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index b565654..5da5de0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -1236,7 +1236,8 @@
 	struct vmw_relocation *reloc;
 	int ret;
 
-	ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
+	ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
+				     NULL);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Could not find or use MOB buffer.\n");
 		ret = -EINVAL;
@@ -1296,7 +1297,8 @@
 	struct vmw_relocation *reloc;
 	int ret;
 
-	ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
+	ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
+				     NULL);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Could not find or use GMR region.\n");
 		ret = -EINVAL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 61fb7f3..15a6c01 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1685,7 +1685,6 @@
 	struct drm_crtc *crtc;
 	u32 num_units = 0;
 	u32 i, k;
-	int ret;
 
 	dirty->dev_priv = dev_priv;
 
@@ -1711,7 +1710,7 @@
 			if (!dirty->cmd) {
 				DRM_ERROR("Couldn't reserve fifo space "
 					  "for dirty blits.\n");
-				return ret;
+				return -ENOMEM;
 			}
 			memset(dirty->cmd, 0, dirty->fifo_reserve_size);
 		}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index 76069f0..222c9c2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -484,7 +484,7 @@
 		goto out_unlock;
 	}
 
-	ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf);
+	ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf, NULL);
 	if (ret)
 		goto out_unlock;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index c1912f8..e57667c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -354,7 +354,7 @@
 	}
 
 	*out_surf = NULL;
-	ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+	ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf, NULL);
 	return ret;
 }
 
@@ -481,7 +481,8 @@
 			  uint32_t size,
 			  bool shareable,
 			  uint32_t *handle,
-			  struct vmw_dma_buffer **p_dma_buf)
+			  struct vmw_dma_buffer **p_dma_buf,
+			  struct ttm_base_object **p_base)
 {
 	struct vmw_user_dma_buffer *user_bo;
 	struct ttm_buffer_object *tmp;
@@ -515,6 +516,10 @@
 	}
 
 	*p_dma_buf = &user_bo->dma;
+	if (p_base) {
+		*p_base = &user_bo->prime.base;
+		kref_get(&(*p_base)->refcount);
+	}
 	*handle = user_bo->prime.base.hash.key;
 
 out_no_base_object:
@@ -631,6 +636,7 @@
 	struct vmw_dma_buffer *dma_buf;
 	struct vmw_user_dma_buffer *user_bo;
 	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+	struct ttm_base_object *buffer_base;
 	int ret;
 
 	if ((arg->flags & (drm_vmw_synccpu_read | drm_vmw_synccpu_write)) == 0
@@ -643,7 +649,8 @@
 
 	switch (arg->op) {
 	case drm_vmw_synccpu_grab:
-		ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf);
+		ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf,
+					     &buffer_base);
 		if (unlikely(ret != 0))
 			return ret;
 
@@ -651,6 +658,7 @@
 				       dma);
 		ret = vmw_user_dmabuf_synccpu_grab(user_bo, tfile, arg->flags);
 		vmw_dmabuf_unreference(&dma_buf);
+		ttm_base_object_unref(&buffer_base);
 		if (unlikely(ret != 0 && ret != -ERESTARTSYS &&
 			     ret != -EBUSY)) {
 			DRM_ERROR("Failed synccpu grab on handle 0x%08x.\n",
@@ -692,7 +700,8 @@
 		return ret;
 
 	ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
-				    req->size, false, &handle, &dma_buf);
+				    req->size, false, &handle, &dma_buf,
+				    NULL);
 	if (unlikely(ret != 0))
 		goto out_no_dmabuf;
 
@@ -721,7 +730,8 @@
 }
 
 int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
-			   uint32_t handle, struct vmw_dma_buffer **out)
+			   uint32_t handle, struct vmw_dma_buffer **out,
+			   struct ttm_base_object **p_base)
 {
 	struct vmw_user_dma_buffer *vmw_user_bo;
 	struct ttm_base_object *base;
@@ -743,7 +753,10 @@
 	vmw_user_bo = container_of(base, struct vmw_user_dma_buffer,
 				   prime.base);
 	(void)ttm_bo_reference(&vmw_user_bo->dma.base);
-	ttm_base_object_unref(&base);
+	if (p_base)
+		*p_base = base;
+	else
+		ttm_base_object_unref(&base);
 	*out = &vmw_user_bo->dma;
 
 	return 0;
@@ -1004,7 +1017,7 @@
 
 	ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
 				    args->size, false, &args->handle,
-				    &dma_buf);
+				    &dma_buf, NULL);
 	if (unlikely(ret != 0))
 		goto out_no_dmabuf;
 
@@ -1032,7 +1045,7 @@
 	struct vmw_dma_buffer *out_buf;
 	int ret;
 
-	ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf);
+	ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf, NULL);
 	if (ret != 0)
 		return -EINVAL;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index bba1ee3..fd47547 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -855,7 +855,7 @@
 
 	if (buffer_handle != SVGA3D_INVALID_ID) {
 		ret = vmw_user_dmabuf_lookup(tfile, buffer_handle,
-					     &buffer);
+					     &buffer, NULL);
 		if (unlikely(ret != 0)) {
 			DRM_ERROR("Could not find buffer for shader "
 				  "creation.\n");
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 3361769..64b5040 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -46,6 +46,7 @@
 	struct vmw_surface srf;
 	uint32_t size;
 	struct drm_master *master;
+	struct ttm_base_object *backup_base;
 };
 
 /**
@@ -656,6 +657,7 @@
 	struct vmw_resource *res = &user_srf->srf.res;
 
 	*p_base = NULL;
+	ttm_base_object_unref(&user_srf->backup_base);
 	vmw_resource_unreference(&res);
 }
 
@@ -851,7 +853,8 @@
 					    res->backup_size,
 					    true,
 					    &backup_handle,
-					    &res->backup);
+					    &res->backup,
+					    &user_srf->backup_base);
 		if (unlikely(ret != 0)) {
 			vmw_resource_unreference(&res);
 			goto out_unlock;
@@ -1321,7 +1324,8 @@
 
 	if (req->buffer_handle != SVGA3D_INVALID_ID) {
 		ret = vmw_user_dmabuf_lookup(tfile, req->buffer_handle,
-					     &res->backup);
+					     &res->backup,
+					     &user_srf->backup_base);
 		if (ret == 0 && res->backup->base.num_pages * PAGE_SIZE <
 		    res->backup_size) {
 			DRM_ERROR("Surface backup buffer is too small.\n");
@@ -1335,7 +1339,8 @@
 					    req->drm_surface_flags &
 					    drm_vmw_surface_flag_shareable,
 					    &backup_handle,
-					    &res->backup);
+					    &res->backup,
+					    &user_srf->backup_base);
 
 	if (unlikely(ret != 0)) {
 		vmw_resource_unreference(&res);
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 243f99a..e5a38d2 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -912,7 +912,7 @@
 	}
 }
 
-static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ipu_irq_handler(struct irq_desc *desc)
 {
 	struct ipu_soc *ipu = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -925,7 +925,7 @@
 	chained_irq_exit(chip, desc);
 }
 
-static void ipu_err_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void ipu_err_irq_handler(struct irq_desc *desc)
 {
 	struct ipu_soc *ipu = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -1099,8 +1099,7 @@
 	}
 
 	ret = irq_alloc_domain_generic_chips(ipu->domain, 32, 1, "IPU",
-					     handle_level_irq, 0,
-					     IRQF_VALID, 0);
+					     handle_level_irq, 0, 0, 0);
 	if (ret < 0) {
 		dev_err(ipu->dev, "failed to alloc generic irq chips\n");
 		irq_domain_remove(ipu->domain);
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 2f9aead..652afd1 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -204,6 +204,8 @@
 		spin_lock_irqsave(&vmbus_connection.channel_lock, flags);
 		list_del(&channel->listentry);
 		spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags);
+
+		primary_channel = channel;
 	} else {
 		primary_channel = channel->primary_channel;
 		spin_lock_irqsave(&primary_channel->lock, flags);
@@ -211,6 +213,14 @@
 		primary_channel->num_sc--;
 		spin_unlock_irqrestore(&primary_channel->lock, flags);
 	}
+
+	/*
+	 * We need to free the bit for init_vp_index() to work in the case
+	 * of sub-channel, when we reload drivers like hv_netvsc.
+	 */
+	cpumask_clear_cpu(channel->target_cpu,
+			  &primary_channel->alloced_cpus_in_node);
+
 	free_channel(channel);
 }
 
@@ -458,6 +468,13 @@
 			continue;
 		}
 
+		/*
+		 * NOTE: in the case of sub-channel, we clear the sub-channel
+		 * related bit(s) in primary->alloced_cpus_in_node in
+		 * hv_process_channel_removal(), so when we reload drivers
+		 * like hv_netvsc in SMP guest, here we're able to re-allocate
+		 * bit from primary->alloced_cpus_in_node.
+		 */
 		if (!cpumask_test_cpu(cur_cpu,
 				&primary->alloced_cpus_in_node)) {
 			cpumask_set_cpu(cur_cpu,
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 500b262..e13c902 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1140,8 +1140,8 @@
 	help
 	  If you say yes here you get support for the hardware monitoring
 	  functionality of the Nuvoton NCT6106D, NCT6775F, NCT6776F, NCT6779D,
-	  NCT6791D, NCT6792D and compatible Super-I/O chips. This driver
-	  replaces the w83627ehf driver for NCT6775F and NCT6776F.
+	  NCT6791D, NCT6792D, NCT6793D, and compatible Super-I/O chips. This
+	  driver replaces the w83627ehf driver for NCT6775F and NCT6776F.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called nct6775.
diff --git a/drivers/hwmon/abx500.c b/drivers/hwmon/abx500.c
index 6cb89c0..1fd4685 100644
--- a/drivers/hwmon/abx500.c
+++ b/drivers/hwmon/abx500.c
@@ -470,6 +470,7 @@
 	{ .compatible = "stericsson,abx500-temp" },
 	{},
 };
+MODULE_DEVICE_TABLE(of, abx500_temp_match);
 #endif
 
 static struct platform_driver abx500_temp_driver = {
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index a3dae6d..82de3de 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -539,6 +539,7 @@
 	{ .compatible = "gpio-fan", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, of_gpio_fan_match);
 #endif /* CONFIG_OF_GPIO */
 
 static int gpio_fan_probe(struct platform_device *pdev)
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index bd1c99d..8b4fa55 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -39,6 +39,7 @@
  * nct6779d    15      5       5       2+6    0xc560 0xc1    0x5ca3
  * nct6791d    15      6       6       2+6    0xc800 0xc1    0x5ca3
  * nct6792d    15      6       6       2+6    0xc910 0xc1    0x5ca3
+ * nct6793d    15      6       6       2+6    0xd120 0xc1    0x5ca3
  *
  * #temp lists the number of monitored temperature sources (first value) plus
  * the number of directly connectable temperature sensors (second value).
@@ -63,7 +64,7 @@
 
 #define USE_ALTERNATE
 
-enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792 };
+enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793 };
 
 /* used to set data->name = nct6775_device_names[data->sio_kind] */
 static const char * const nct6775_device_names[] = {
@@ -73,6 +74,17 @@
 	"nct6779",
 	"nct6791",
 	"nct6792",
+	"nct6793",
+};
+
+static const char * const nct6775_sio_names[] __initconst = {
+	"NCT6106D",
+	"NCT6775F",
+	"NCT6776D/F",
+	"NCT6779D",
+	"NCT6791D",
+	"NCT6792D",
+	"NCT6793D",
 };
 
 static unsigned short force_id;
@@ -104,6 +116,7 @@
 #define SIO_NCT6779_ID		0xc560
 #define SIO_NCT6791_ID		0xc800
 #define SIO_NCT6792_ID		0xc910
+#define SIO_NCT6793_ID		0xd120
 #define SIO_ID_MASK		0xFFF0
 
 enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
@@ -354,6 +367,10 @@
 
 /* NCT6776 specific data */
 
+/* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */
+#define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME
+#define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME
+
 static const s8 NCT6776_ALARM_BITS[] = {
 	0, 1, 2, 3, 8, 21, 20, 16,	/* in0.. in7 */
 	17, -1, -1, -1, -1, -1, -1,	/* in8..in14 */
@@ -533,7 +550,7 @@
 	4, 5, 13, -1, -1, -1,		/* temp1..temp6 */
 	12, 9 };			/* intrusion0, intrusion1 */
 
-/* NCT6792 specific data */
+/* NCT6792/NCT6793 specific data */
 
 static const u16 NCT6792_REG_TEMP_MON[] = {
 	0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d };
@@ -1056,6 +1073,7 @@
 	case nct6779:
 	case nct6791:
 	case nct6792:
+	case nct6793:
 		return reg == 0x150 || reg == 0x153 || reg == 0x155 ||
 		  ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) ||
 		  reg == 0x402 ||
@@ -1407,6 +1425,7 @@
 		case nct6779:
 		case nct6791:
 		case nct6792:
+		case nct6793:
 			reg = nct6775_read_value(data,
 					data->REG_CRITICAL_PWM_ENABLE[i]);
 			if (reg & data->CRITICAL_PWM_ENABLE_MASK)
@@ -2822,6 +2841,7 @@
 		case nct6779:
 		case nct6791:
 		case nct6792:
+		case nct6793:
 			nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],
 					    val);
 			reg = nct6775_read_value(data,
@@ -3256,7 +3276,7 @@
 		pwm4pin = false;
 		pwm5pin = false;
 		pwm6pin = false;
-	} else {	/* NCT6779D, NCT6791D, or NCT6792D */
+	} else {	/* NCT6779D, NCT6791D, NCT6792D, or NCT6793D */
 		regval = superio_inb(sioreg, 0x1c);
 
 		fan3pin = !(regval & (1 << 5));
@@ -3269,7 +3289,8 @@
 
 		fan4min = fan4pin;
 
-		if (data->kind == nct6791 || data->kind == nct6792) {
+		if (data->kind == nct6791 || data->kind == nct6792 ||
+		    data->kind == nct6793) {
 			regval = superio_inb(sioreg, 0x2d);
 			fan6pin = (regval & (1 << 1));
 			pwm6pin = (regval & (1 << 0));
@@ -3528,8 +3549,8 @@
 		data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES;
 		data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
 		data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-		data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-		data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+		data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+		data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
 		data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6775_REG_PWM;
 		data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3600,8 +3621,8 @@
 		data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
 		data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
 		data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-		data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-		data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+		data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+		data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
 		data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6775_REG_PWM;
 		data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3643,6 +3664,7 @@
 		break;
 	case nct6791:
 	case nct6792:
+	case nct6793:
 		data->in_num = 15;
 		data->pwm_num = 6;
 		data->auto_pwm_num = 4;
@@ -3677,8 +3699,8 @@
 		data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
 		data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
 		data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-		data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-		data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+		data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+		data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
 		data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6775_REG_PWM;
 		data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3918,6 +3940,7 @@
 	case nct6779:
 	case nct6791:
 	case nct6792:
+	case nct6793:
 		break;
 	}
 
@@ -3950,6 +3973,7 @@
 			break;
 		case nct6791:
 		case nct6792:
+		case nct6793:
 			tmp |= 0x7e;
 			break;
 		}
@@ -4047,7 +4071,8 @@
 	if (reg != data->sio_reg_enable)
 		superio_outb(sioreg, SIO_REG_ENABLE, data->sio_reg_enable);
 
-	if (data->kind == nct6791 || data->kind == nct6792)
+	if (data->kind == nct6791 || data->kind == nct6792 ||
+	    data->kind == nct6793)
 		nct6791_enable_io_mapping(sioreg);
 
 	superio_exit(sioreg);
@@ -4106,15 +4131,6 @@
 	.probe		= nct6775_probe,
 };
 
-static const char * const nct6775_sio_names[] __initconst = {
-	"NCT6106D",
-	"NCT6775F",
-	"NCT6776D/F",
-	"NCT6779D",
-	"NCT6791D",
-	"NCT6792D",
-};
-
 /* nct6775_find() looks for a '627 in the Super-I/O config space */
 static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
 {
@@ -4150,6 +4166,9 @@
 	case SIO_NCT6792_ID:
 		sio_data->kind = nct6792;
 		break;
+	case SIO_NCT6793_ID:
+		sio_data->kind = nct6793;
+		break;
 	default:
 		if (val != 0xffff)
 			pr_debug("unsupported chip ID: 0x%04x\n", val);
@@ -4175,7 +4194,8 @@
 		superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
 	}
 
-	if (sio_data->kind == nct6791 || sio_data->kind == nct6792)
+	if (sio_data->kind == nct6791 || sio_data->kind == nct6792 ||
+	    sio_data->kind == nct6793)
 		nct6791_enable_io_mapping(sioaddr);
 
 	superio_exit(sioaddr);
@@ -4285,7 +4305,7 @@
 }
 
 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
-MODULE_DESCRIPTION("NCT6106D/NCT6775F/NCT6776F/NCT6779D/NCT6791D/NCT6792D driver");
+MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips");
 MODULE_LICENSE("GPL");
 
 module_init(sensors_nct6775_init);
diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 2d9a712..3e23003 100644
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -323,6 +323,7 @@
 	{ .compatible = "pwm-fan", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, of_pwm_fan_match);
 
 static struct platform_driver pwm_fan_driver = {
 	.probe		= pwm_fan_probe,
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3a3738f..cd4510a 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -620,7 +620,7 @@
 		.name = "C6-SKL",
 		.desc = "MWAIT 0x20",
 		.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
-		.exit_latency = 75,
+		.exit_latency = 85,
 		.target_residency = 200,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
@@ -636,11 +636,19 @@
 		.name = "C8-SKL",
 		.desc = "MWAIT 0x40",
 		.flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED,
-		.exit_latency = 174,
+		.exit_latency = 200,
 		.target_residency = 800,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
 	{
+		.name = "C9-SKL",
+		.desc = "MWAIT 0x50",
+		.flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TLB_FLUSHED,
+		.exit_latency = 480,
+		.target_residency = 5000,
+		.enter = &intel_idle,
+		.enter_freeze = intel_idle_freeze, },
+	{
 		.name = "C10-SKL",
 		.desc = "MWAIT 0x60",
 		.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index da4c697..aa26f3c 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -56,7 +56,6 @@
 
 source "drivers/infiniband/hw/mthca/Kconfig"
 source "drivers/infiniband/hw/qib/Kconfig"
-source "drivers/infiniband/hw/ehca/Kconfig"
 source "drivers/infiniband/hw/cxgb3/Kconfig"
 source "drivers/infiniband/hw/cxgb4/Kconfig"
 source "drivers/infiniband/hw/mlx4/Kconfig"
diff --git a/drivers/infiniband/hw/Makefile b/drivers/infiniband/hw/Makefile
index 1bdb999..aded2a5 100644
--- a/drivers/infiniband/hw/Makefile
+++ b/drivers/infiniband/hw/Makefile
@@ -1,6 +1,5 @@
 obj-$(CONFIG_INFINIBAND_MTHCA)		+= mthca/
 obj-$(CONFIG_INFINIBAND_QIB)		+= qib/
-obj-$(CONFIG_INFINIBAND_EHCA)		+= ehca/
 obj-$(CONFIG_INFINIBAND_CXGB3)		+= cxgb3/
 obj-$(CONFIG_INFINIBAND_CXGB4)		+= cxgb4/
 obj-$(CONFIG_MLX4_INFINIBAND)		+= mlx4/
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 41d6911..f1ccd40 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -245,7 +245,6 @@
 		props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 	if (MLX5_CAP_GEN(mdev, apm))
 		props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
-	props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
 	if (MLX5_CAP_GEN(mdev, xrc))
 		props->device_cap_flags |= IB_DEVICE_XRC;
 	props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
@@ -795,53 +794,6 @@
 	return 0;
 }
 
-static int alloc_pa_mkey(struct mlx5_ib_dev *dev, u32 *key, u32 pdn)
-{
-	struct mlx5_create_mkey_mbox_in *in;
-	struct mlx5_mkey_seg *seg;
-	struct mlx5_core_mr mr;
-	int err;
-
-	in = kzalloc(sizeof(*in), GFP_KERNEL);
-	if (!in)
-		return -ENOMEM;
-
-	seg = &in->seg;
-	seg->flags = MLX5_PERM_LOCAL_READ | MLX5_ACCESS_MODE_PA;
-	seg->flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64);
-	seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
-	seg->start_addr = 0;
-
-	err = mlx5_core_create_mkey(dev->mdev, &mr, in, sizeof(*in),
-				    NULL, NULL, NULL);
-	if (err) {
-		mlx5_ib_warn(dev, "failed to create mkey, %d\n", err);
-		goto err_in;
-	}
-
-	kfree(in);
-	*key = mr.key;
-
-	return 0;
-
-err_in:
-	kfree(in);
-
-	return err;
-}
-
-static void free_pa_mkey(struct mlx5_ib_dev *dev, u32 key)
-{
-	struct mlx5_core_mr mr;
-	int err;
-
-	memset(&mr, 0, sizeof(mr));
-	mr.key = key;
-	err = mlx5_core_destroy_mkey(dev->mdev, &mr);
-	if (err)
-		mlx5_ib_warn(dev, "failed to destroy mkey 0x%x\n", key);
-}
-
 static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
 				      struct ib_ucontext *context,
 				      struct ib_udata *udata)
@@ -867,13 +819,6 @@
 			kfree(pd);
 			return ERR_PTR(-EFAULT);
 		}
-	} else {
-		err = alloc_pa_mkey(to_mdev(ibdev), &pd->pa_lkey, pd->pdn);
-		if (err) {
-			mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn);
-			kfree(pd);
-			return ERR_PTR(err);
-		}
 	}
 
 	return &pd->ibpd;
@@ -884,9 +829,6 @@
 	struct mlx5_ib_dev *mdev = to_mdev(pd->device);
 	struct mlx5_ib_pd *mpd = to_mpd(pd);
 
-	if (!pd->uobject)
-		free_pa_mkey(mdev, mpd->pa_lkey);
-
 	mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn);
 	kfree(mpd);
 
@@ -1245,18 +1187,10 @@
 	struct ib_srq_init_attr attr;
 	struct mlx5_ib_dev *dev;
 	struct ib_cq_init_attr cq_attr = {.cqe = 1};
-	u32 rsvd_lkey;
 	int ret = 0;
 
 	dev = container_of(devr, struct mlx5_ib_dev, devr);
 
-	ret = mlx5_core_query_special_context(dev->mdev, &rsvd_lkey);
-	if (ret) {
-		pr_err("Failed to query special context %d\n", ret);
-		return ret;
-	}
-	dev->ib_dev.local_dma_lkey = rsvd_lkey;
-
 	devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL);
 	if (IS_ERR(devr->p0)) {
 		ret = PTR_ERR(devr->p0);
@@ -1418,6 +1352,7 @@
 	strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX);
 	dev->ib_dev.owner		= THIS_MODULE;
 	dev->ib_dev.node_type		= RDMA_NODE_IB_CA;
+	dev->ib_dev.local_dma_lkey	= 0 /* not supported for now */;
 	dev->num_ports		= MLX5_CAP_GEN(mdev, num_ports);
 	dev->ib_dev.phys_port_cnt     = dev->num_ports;
 	dev->ib_dev.num_comp_vectors    =
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index bb8cda7..22123b7 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -103,7 +103,6 @@
 struct mlx5_ib_pd {
 	struct ib_pd		ibpd;
 	u32			pdn;
-	u32			pa_lkey;
 };
 
 /* Use macros here so that don't have to duplicate
@@ -213,7 +212,6 @@
 	int			uuarn;
 
 	int			create_type;
-	u32			pa_lkey;
 
 	/* Store signature errors */
 	bool			signature_en;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index c745c6c..6f521a3 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -925,8 +925,6 @@
 			err = create_kernel_qp(dev, init_attr, qp, &in, &inlen);
 			if (err)
 				mlx5_ib_dbg(dev, "err %d\n", err);
-			else
-				qp->pa_lkey = to_mpd(pd)->pa_lkey;
 		}
 
 		if (err)
@@ -2045,7 +2043,7 @@
 		mfrpl->mapped_page_list[i] = cpu_to_be64(page_list[i] | perm);
 	dseg->addr = cpu_to_be64(mfrpl->map);
 	dseg->byte_count = cpu_to_be32(ALIGN(sizeof(u64) * wr->wr.fast_reg.page_list_len, 64));
-	dseg->lkey = cpu_to_be32(pd->pa_lkey);
+	dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey);
 }
 
 static __be32 send_ieth(struct ib_send_wr *wr)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index ca28736..4cd5428 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -80,7 +80,7 @@
 	IPOIB_NUM_WC		  = 4,
 
 	IPOIB_MAX_PATH_REC_QUEUE  = 3,
-	IPOIB_MAX_MCAST_QUEUE	  = 3,
+	IPOIB_MAX_MCAST_QUEUE	  = 64,
 
 	IPOIB_FLAG_OPER_UP	  = 0,
 	IPOIB_FLAG_INITIALIZED	  = 1,
@@ -548,6 +548,8 @@
 
 int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
 		       union ib_gid *mgid, int set_qkey);
+int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast);
+struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid);
 
 int ipoib_init_qp(struct net_device *dev);
 int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 36536ce..f74316e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1149,6 +1149,9 @@
 	unsigned long dt;
 	unsigned long flags;
 	int i;
+	LIST_HEAD(remove_list);
+	struct ipoib_mcast *mcast, *tmcast;
+	struct net_device *dev = priv->dev;
 
 	if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
 		return;
@@ -1176,6 +1179,19 @@
 							  lockdep_is_held(&priv->lock))) != NULL) {
 			/* was the neigh idle for two GC periods */
 			if (time_after(neigh_obsolete, neigh->alive)) {
+				u8 *mgid = neigh->daddr + 4;
+
+				/* Is this multicast ? */
+				if (*mgid == 0xff) {
+					mcast = __ipoib_mcast_find(dev, mgid);
+
+					if (mcast && test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
+						list_del(&mcast->list);
+						rb_erase(&mcast->rb_node, &priv->multicast_tree);
+						list_add_tail(&mcast->list, &remove_list);
+					}
+				}
+
 				rcu_assign_pointer(*np,
 						   rcu_dereference_protected(neigh->hnext,
 									     lockdep_is_held(&priv->lock)));
@@ -1191,6 +1207,8 @@
 
 out_unlock:
 	spin_unlock_irqrestore(&priv->lock, flags);
+	list_for_each_entry_safe(mcast, tmcast, &remove_list, list)
+		ipoib_mcast_leave(dev, mcast);
 }
 
 static void ipoib_reap_neigh(struct work_struct *work)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 09a1748..136cbef 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -153,7 +153,7 @@
 	return mcast;
 }
 
-static struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid)
+struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct rb_node *n = priv->multicast_tree.rb_node;
@@ -508,17 +508,19 @@
 		rec.hop_limit	  = priv->broadcast->mcmember.hop_limit;
 
 		/*
-		 * Historically Linux IPoIB has never properly supported SEND
-		 * ONLY join. It emulated it by not providing all the required
-		 * attributes, which is enough to prevent group creation and
-		 * detect if there are full members or not. A major problem
-		 * with supporting SEND ONLY is detecting when the group is
-		 * auto-destroyed as IPoIB will cache the MLID..
+		 * Send-only IB Multicast joins do not work at the core
+		 * IB layer yet, so we can't use them here.  However,
+		 * we are emulating an Ethernet multicast send, which
+		 * does not require a multicast subscription and will
+		 * still send properly.  The most appropriate thing to
+		 * do is to create the group if it doesn't exist as that
+		 * most closely emulates the behavior, from a user space
+		 * application perspecitive, of Ethernet multicast
+		 * operation.  For now, we do a full join, maybe later
+		 * when the core IB layers support send only joins we
+		 * will use them.
 		 */
-#if 1
-		if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
-			comp_mask &= ~IB_SA_MCMEMBER_REC_TRAFFIC_CLASS;
-#else
+#if 0
 		if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
 			rec.join_state = 4;
 #endif
@@ -675,7 +677,7 @@
 	return 0;
 }
 
-static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
+int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	int ret = 0;
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 1ace5d8..f58ff96 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -97,6 +97,11 @@
 module_param_named(max_sectors, iser_max_sectors, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(max_sectors, "Max number of sectors in a single scsi command (default:1024");
 
+bool iser_always_reg = true;
+module_param_named(always_register, iser_always_reg, bool, S_IRUGO);
+MODULE_PARM_DESC(always_register,
+		 "Always register memory, even for continuous memory regions (default:true)");
+
 bool iser_pi_enable = false;
 module_param_named(pi_enable, iser_pi_enable, bool, S_IRUGO);
 MODULE_PARM_DESC(pi_enable, "Enable T10-PI offload support (default:disabled)");
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 86f6583..a5edd6e 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -611,6 +611,7 @@
 extern bool iser_pi_enable;
 extern int iser_pi_guard;
 extern unsigned int iser_max_sectors;
+extern bool iser_always_reg;
 
 int iser_assign_reg_ops(struct iser_device *device);
 
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 2493cc7..4c46d67 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -803,11 +803,12 @@
 iser_reg_prot_sg(struct iscsi_iser_task *task,
 		 struct iser_data_buf *mem,
 		 struct iser_fr_desc *desc,
+		 bool use_dma_key,
 		 struct iser_mem_reg *reg)
 {
 	struct iser_device *device = task->iser_conn->ib_conn.device;
 
-	if (mem->dma_nents == 1)
+	if (use_dma_key)
 		return iser_reg_dma(device, mem, reg);
 
 	return device->reg_ops->reg_mem(task, mem, &desc->pi_ctx->rsc, reg);
@@ -817,11 +818,12 @@
 iser_reg_data_sg(struct iscsi_iser_task *task,
 		 struct iser_data_buf *mem,
 		 struct iser_fr_desc *desc,
+		 bool use_dma_key,
 		 struct iser_mem_reg *reg)
 {
 	struct iser_device *device = task->iser_conn->ib_conn.device;
 
-	if (mem->dma_nents == 1)
+	if (use_dma_key)
 		return iser_reg_dma(device, mem, reg);
 
 	return device->reg_ops->reg_mem(task, mem, &desc->rsc, reg);
@@ -836,14 +838,17 @@
 	struct iser_mem_reg *reg = &task->rdma_reg[dir];
 	struct iser_mem_reg *data_reg;
 	struct iser_fr_desc *desc = NULL;
+	bool use_dma_key;
 	int err;
 
 	err = iser_handle_unaligned_buf(task, mem, dir);
 	if (unlikely(err))
 		return err;
 
-	if (mem->dma_nents != 1 ||
-	    scsi_get_prot_op(task->sc) != SCSI_PROT_NORMAL) {
+	use_dma_key = (mem->dma_nents == 1 && !iser_always_reg &&
+		       scsi_get_prot_op(task->sc) == SCSI_PROT_NORMAL);
+
+	if (!use_dma_key) {
 		desc = device->reg_ops->reg_desc_get(ib_conn);
 		reg->mem_h = desc;
 	}
@@ -853,7 +858,7 @@
 	else
 		data_reg = &task->desc.data_reg;
 
-	err = iser_reg_data_sg(task, mem, desc, data_reg);
+	err = iser_reg_data_sg(task, mem, desc, use_dma_key, data_reg);
 	if (unlikely(err))
 		goto err_reg;
 
@@ -866,7 +871,8 @@
 			if (unlikely(err))
 				goto err_reg;
 
-			err = iser_reg_prot_sg(task, mem, desc, prot_reg);
+			err = iser_reg_prot_sg(task, mem, desc,
+					       use_dma_key, prot_reg);
 			if (unlikely(err))
 				goto err_reg;
 		}
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index ae70cc1..85132d8 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -133,11 +133,15 @@
 			     (unsigned long)comp);
 	}
 
-	device->mr = ib_get_dma_mr(device->pd, IB_ACCESS_LOCAL_WRITE |
-				   IB_ACCESS_REMOTE_WRITE |
-				   IB_ACCESS_REMOTE_READ);
-	if (IS_ERR(device->mr))
-		goto dma_mr_err;
+	if (!iser_always_reg) {
+		int access = IB_ACCESS_LOCAL_WRITE |
+			     IB_ACCESS_REMOTE_WRITE |
+			     IB_ACCESS_REMOTE_READ;
+
+		device->mr = ib_get_dma_mr(device->pd, access);
+		if (IS_ERR(device->mr))
+			goto dma_mr_err;
+	}
 
 	INIT_IB_EVENT_HANDLER(&device->event_handler, device->ib_device,
 				iser_event_handler);
@@ -147,7 +151,8 @@
 	return 0;
 
 handler_err:
-	ib_dereg_mr(device->mr);
+	if (device->mr)
+		ib_dereg_mr(device->mr);
 dma_mr_err:
 	for (i = 0; i < device->comps_used; i++)
 		tasklet_kill(&device->comps[i].tasklet);
@@ -173,7 +178,6 @@
 static void iser_free_device_ib_res(struct iser_device *device)
 {
 	int i;
-	BUG_ON(device->mr == NULL);
 
 	for (i = 0; i < device->comps_used; i++) {
 		struct iser_comp *comp = &device->comps[i];
@@ -184,7 +188,8 @@
 	}
 
 	(void)ib_unregister_event_handler(&device->event_handler);
-	(void)ib_dereg_mr(device->mr);
+	if (device->mr)
+		(void)ib_dereg_mr(device->mr);
 	ib_dealloc_pd(device->pd);
 
 	kfree(device->comps);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 403bd29..aa59037 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -238,8 +238,6 @@
 		rx_sg->lkey = device->pd->local_dma_lkey;
 	}
 
-	isert_conn->rx_desc_head = 0;
-
 	return 0;
 
 dma_map_fail:
@@ -634,7 +632,7 @@
 isert_init_conn(struct isert_conn *isert_conn)
 {
 	isert_conn->state = ISER_CONN_INIT;
-	INIT_LIST_HEAD(&isert_conn->accept_node);
+	INIT_LIST_HEAD(&isert_conn->node);
 	init_completion(&isert_conn->login_comp);
 	init_completion(&isert_conn->login_req_comp);
 	init_completion(&isert_conn->wait);
@@ -762,28 +760,15 @@
 	ret = isert_rdma_post_recvl(isert_conn);
 	if (ret)
 		goto out_conn_dev;
-	/*
-	 * Obtain the second reference now before isert_rdma_accept() to
-	 * ensure that any initiator generated REJECT CM event that occurs
-	 * asynchronously won't drop the last reference until the error path
-	 * in iscsi_target_login_sess_out() does it's ->iscsit_free_conn() ->
-	 * isert_free_conn() -> isert_put_conn() -> kref_put().
-	 */
-	if (!kref_get_unless_zero(&isert_conn->kref)) {
-		isert_warn("conn %p connect_release is running\n", isert_conn);
-		goto out_conn_dev;
-	}
 
 	ret = isert_rdma_accept(isert_conn);
 	if (ret)
 		goto out_conn_dev;
 
-	mutex_lock(&isert_np->np_accept_mutex);
-	list_add_tail(&isert_conn->accept_node, &isert_np->np_accept_list);
-	mutex_unlock(&isert_np->np_accept_mutex);
+	mutex_lock(&isert_np->mutex);
+	list_add_tail(&isert_conn->node, &isert_np->accepted);
+	mutex_unlock(&isert_np->mutex);
 
-	isert_info("np %p: Allow accept_np to continue\n", np);
-	up(&isert_np->np_sem);
 	return 0;
 
 out_conn_dev:
@@ -831,13 +816,21 @@
 isert_connected_handler(struct rdma_cm_id *cma_id)
 {
 	struct isert_conn *isert_conn = cma_id->qp->qp_context;
+	struct isert_np *isert_np = cma_id->context;
 
 	isert_info("conn %p\n", isert_conn);
 
 	mutex_lock(&isert_conn->mutex);
-	if (isert_conn->state != ISER_CONN_FULL_FEATURE)
-		isert_conn->state = ISER_CONN_UP;
+	isert_conn->state = ISER_CONN_UP;
+	kref_get(&isert_conn->kref);
 	mutex_unlock(&isert_conn->mutex);
+
+	mutex_lock(&isert_np->mutex);
+	list_move_tail(&isert_conn->node, &isert_np->pending);
+	mutex_unlock(&isert_np->mutex);
+
+	isert_info("np %p: Allow accept_np to continue\n", isert_np);
+	up(&isert_np->sem);
 }
 
 static void
@@ -903,14 +896,14 @@
 
 	switch (event) {
 	case RDMA_CM_EVENT_DEVICE_REMOVAL:
-		isert_np->np_cm_id = NULL;
+		isert_np->cm_id = NULL;
 		break;
 	case RDMA_CM_EVENT_ADDR_CHANGE:
-		isert_np->np_cm_id = isert_setup_id(isert_np);
-		if (IS_ERR(isert_np->np_cm_id)) {
+		isert_np->cm_id = isert_setup_id(isert_np);
+		if (IS_ERR(isert_np->cm_id)) {
 			isert_err("isert np %p setup id failed: %ld\n",
-				  isert_np, PTR_ERR(isert_np->np_cm_id));
-			isert_np->np_cm_id = NULL;
+				  isert_np, PTR_ERR(isert_np->cm_id));
+			isert_np->cm_id = NULL;
 		}
 		break;
 	default:
@@ -929,7 +922,7 @@
 	struct isert_conn *isert_conn;
 	bool terminating = false;
 
-	if (isert_np->np_cm_id == cma_id)
+	if (isert_np->cm_id == cma_id)
 		return isert_np_cma_handler(cma_id->context, event);
 
 	isert_conn = cma_id->qp->qp_context;
@@ -945,13 +938,13 @@
 	if (terminating)
 		goto out;
 
-	mutex_lock(&isert_np->np_accept_mutex);
-	if (!list_empty(&isert_conn->accept_node)) {
-		list_del_init(&isert_conn->accept_node);
+	mutex_lock(&isert_np->mutex);
+	if (!list_empty(&isert_conn->node)) {
+		list_del_init(&isert_conn->node);
 		isert_put_conn(isert_conn);
 		queue_work(isert_release_wq, &isert_conn->release_work);
 	}
-	mutex_unlock(&isert_np->np_accept_mutex);
+	mutex_unlock(&isert_np->mutex);
 
 out:
 	return 0;
@@ -962,6 +955,7 @@
 {
 	struct isert_conn *isert_conn = cma_id->qp->qp_context;
 
+	list_del_init(&isert_conn->node);
 	isert_conn->cm_id = NULL;
 	isert_put_conn(isert_conn);
 
@@ -1006,35 +1000,51 @@
 }
 
 static int
-isert_post_recv(struct isert_conn *isert_conn, u32 count)
+isert_post_recvm(struct isert_conn *isert_conn, u32 count)
 {
 	struct ib_recv_wr *rx_wr, *rx_wr_failed;
 	int i, ret;
-	unsigned int rx_head = isert_conn->rx_desc_head;
 	struct iser_rx_desc *rx_desc;
 
 	for (rx_wr = isert_conn->rx_wr, i = 0; i < count; i++, rx_wr++) {
-		rx_desc		= &isert_conn->rx_descs[rx_head];
-		rx_wr->wr_id	= (uintptr_t)rx_desc;
-		rx_wr->sg_list	= &rx_desc->rx_sg;
-		rx_wr->num_sge	= 1;
-		rx_wr->next	= rx_wr + 1;
-		rx_head = (rx_head + 1) & (ISERT_QP_MAX_RECV_DTOS - 1);
+		rx_desc = &isert_conn->rx_descs[i];
+		rx_wr->wr_id = (uintptr_t)rx_desc;
+		rx_wr->sg_list = &rx_desc->rx_sg;
+		rx_wr->num_sge = 1;
+		rx_wr->next = rx_wr + 1;
 	}
-
 	rx_wr--;
 	rx_wr->next = NULL; /* mark end of work requests list */
 
 	isert_conn->post_recv_buf_count += count;
 	ret = ib_post_recv(isert_conn->qp, isert_conn->rx_wr,
-				&rx_wr_failed);
+			   &rx_wr_failed);
 	if (ret) {
 		isert_err("ib_post_recv() failed with ret: %d\n", ret);
 		isert_conn->post_recv_buf_count -= count;
-	} else {
-		isert_dbg("Posted %d RX buffers\n", count);
-		isert_conn->rx_desc_head = rx_head;
 	}
+
+	return ret;
+}
+
+static int
+isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc)
+{
+	struct ib_recv_wr *rx_wr_failed, rx_wr;
+	int ret;
+
+	rx_wr.wr_id = (uintptr_t)rx_desc;
+	rx_wr.sg_list = &rx_desc->rx_sg;
+	rx_wr.num_sge = 1;
+	rx_wr.next = NULL;
+
+	isert_conn->post_recv_buf_count++;
+	ret = ib_post_recv(isert_conn->qp, &rx_wr, &rx_wr_failed);
+	if (ret) {
+		isert_err("ib_post_recv() failed with ret: %d\n", ret);
+		isert_conn->post_recv_buf_count--;
+	}
+
 	return ret;
 }
 
@@ -1205,7 +1215,8 @@
 			if (ret)
 				return ret;
 
-			ret = isert_post_recv(isert_conn, ISERT_MIN_POSTED_RX);
+			ret = isert_post_recvm(isert_conn,
+					       ISERT_QP_MAX_RECV_DTOS);
 			if (ret)
 				return ret;
 
@@ -1278,7 +1289,7 @@
 }
 
 static struct iscsi_cmd
-*isert_allocate_cmd(struct iscsi_conn *conn)
+*isert_allocate_cmd(struct iscsi_conn *conn, struct iser_rx_desc *rx_desc)
 {
 	struct isert_conn *isert_conn = conn->context;
 	struct isert_cmd *isert_cmd;
@@ -1292,6 +1303,7 @@
 	isert_cmd = iscsit_priv_cmd(cmd);
 	isert_cmd->conn = isert_conn;
 	isert_cmd->iscsi_cmd = cmd;
+	isert_cmd->rx_desc = rx_desc;
 
 	return cmd;
 }
@@ -1303,9 +1315,9 @@
 {
 	struct iscsi_conn *conn = isert_conn->conn;
 	struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)buf;
-	struct scatterlist *sg;
 	int imm_data, imm_data_len, unsol_data, sg_nents, rc;
 	bool dump_payload = false;
+	unsigned int data_len;
 
 	rc = iscsit_setup_scsi_cmd(conn, cmd, buf);
 	if (rc < 0)
@@ -1314,7 +1326,10 @@
 	imm_data = cmd->immediate_data;
 	imm_data_len = cmd->first_burst_len;
 	unsol_data = cmd->unsolicited_data;
+	data_len = cmd->se_cmd.data_length;
 
+	if (imm_data && imm_data_len == data_len)
+		cmd->se_cmd.se_cmd_flags |= SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC;
 	rc = iscsit_process_scsi_cmd(conn, cmd, hdr);
 	if (rc < 0) {
 		return 0;
@@ -1326,13 +1341,20 @@
 	if (!imm_data)
 		return 0;
 
-	sg = &cmd->se_cmd.t_data_sg[0];
-	sg_nents = max(1UL, DIV_ROUND_UP(imm_data_len, PAGE_SIZE));
-
-	isert_dbg("Copying Immediate SG: %p sg_nents: %u from %p imm_data_len: %d\n",
-		  sg, sg_nents, &rx_desc->data[0], imm_data_len);
-
-	sg_copy_from_buffer(sg, sg_nents, &rx_desc->data[0], imm_data_len);
+	if (imm_data_len != data_len) {
+		sg_nents = max(1UL, DIV_ROUND_UP(imm_data_len, PAGE_SIZE));
+		sg_copy_from_buffer(cmd->se_cmd.t_data_sg, sg_nents,
+				    &rx_desc->data[0], imm_data_len);
+		isert_dbg("Copy Immediate sg_nents: %u imm_data_len: %d\n",
+			  sg_nents, imm_data_len);
+	} else {
+		sg_init_table(&isert_cmd->sg, 1);
+		cmd->se_cmd.t_data_sg = &isert_cmd->sg;
+		cmd->se_cmd.t_data_nents = 1;
+		sg_set_buf(&isert_cmd->sg, &rx_desc->data[0], imm_data_len);
+		isert_dbg("Transfer Immediate imm_data_len: %d\n",
+			  imm_data_len);
+	}
 
 	cmd->write_data_done += imm_data_len;
 
@@ -1407,6 +1429,15 @@
 	if (rc < 0)
 		return rc;
 
+	/*
+	 * multiple data-outs on the same command can arrive -
+	 * so post the buffer before hand
+	 */
+	rc = isert_post_recv(isert_conn, rx_desc);
+	if (rc) {
+		isert_err("ib_post_recv failed with %d\n", rc);
+		return rc;
+	}
 	return 0;
 }
 
@@ -1479,7 +1510,7 @@
 
 	switch (opcode) {
 	case ISCSI_OP_SCSI_CMD:
-		cmd = isert_allocate_cmd(conn);
+		cmd = isert_allocate_cmd(conn, rx_desc);
 		if (!cmd)
 			break;
 
@@ -1493,7 +1524,7 @@
 					rx_desc, (unsigned char *)hdr);
 		break;
 	case ISCSI_OP_NOOP_OUT:
-		cmd = isert_allocate_cmd(conn);
+		cmd = isert_allocate_cmd(conn, rx_desc);
 		if (!cmd)
 			break;
 
@@ -1506,7 +1537,7 @@
 						(unsigned char *)hdr);
 		break;
 	case ISCSI_OP_SCSI_TMFUNC:
-		cmd = isert_allocate_cmd(conn);
+		cmd = isert_allocate_cmd(conn, rx_desc);
 		if (!cmd)
 			break;
 
@@ -1514,22 +1545,20 @@
 						(unsigned char *)hdr);
 		break;
 	case ISCSI_OP_LOGOUT:
-		cmd = isert_allocate_cmd(conn);
+		cmd = isert_allocate_cmd(conn, rx_desc);
 		if (!cmd)
 			break;
 
 		ret = iscsit_handle_logout_cmd(conn, cmd, (unsigned char *)hdr);
 		break;
 	case ISCSI_OP_TEXT:
-		if (be32_to_cpu(hdr->ttt) != 0xFFFFFFFF) {
+		if (be32_to_cpu(hdr->ttt) != 0xFFFFFFFF)
 			cmd = iscsit_find_cmd_from_itt(conn, hdr->itt);
-			if (!cmd)
-				break;
-		} else {
-			cmd = isert_allocate_cmd(conn);
-			if (!cmd)
-				break;
-		}
+		else
+			cmd = isert_allocate_cmd(conn, rx_desc);
+
+		if (!cmd)
+			break;
 
 		isert_cmd = iscsit_priv_cmd(cmd);
 		ret = isert_handle_text_cmd(isert_conn, isert_cmd, cmd,
@@ -1589,7 +1618,7 @@
 	struct ib_device *ib_dev = isert_conn->cm_id->device;
 	struct iscsi_hdr *hdr;
 	u64 rx_dma;
-	int rx_buflen, outstanding;
+	int rx_buflen;
 
 	if ((char *)desc == isert_conn->login_req_buf) {
 		rx_dma = isert_conn->login_req_dma;
@@ -1629,22 +1658,6 @@
 				      DMA_FROM_DEVICE);
 
 	isert_conn->post_recv_buf_count--;
-	isert_dbg("Decremented post_recv_buf_count: %d\n",
-		  isert_conn->post_recv_buf_count);
-
-	if ((char *)desc == isert_conn->login_req_buf)
-		return;
-
-	outstanding = isert_conn->post_recv_buf_count;
-	if (outstanding + ISERT_MIN_POSTED_RX <= ISERT_QP_MAX_RECV_DTOS) {
-		int err, count = min(ISERT_QP_MAX_RECV_DTOS - outstanding,
-				ISERT_MIN_POSTED_RX);
-		err = isert_post_recv(isert_conn, count);
-		if (err) {
-			isert_err("isert_post_recv() count: %d failed, %d\n",
-			       count, err);
-		}
-	}
 }
 
 static int
@@ -2156,6 +2169,12 @@
 	struct ib_send_wr *wr_failed;
 	int ret;
 
+	ret = isert_post_recv(isert_conn, isert_cmd->rx_desc);
+	if (ret) {
+		isert_err("ib_post_recv failed with %d\n", ret);
+		return ret;
+	}
+
 	ret = ib_post_send(isert_conn->qp, &isert_cmd->tx_desc.send_wr,
 			   &wr_failed);
 	if (ret) {
@@ -2950,6 +2969,12 @@
 				   &isert_cmd->tx_desc.send_wr);
 		isert_cmd->rdma_wr.s_send_wr.next = &isert_cmd->tx_desc.send_wr;
 		wr->send_wr_num += 1;
+
+		rc = isert_post_recv(isert_conn, isert_cmd->rx_desc);
+		if (rc) {
+			isert_err("ib_post_recv failed with %d\n", rc);
+			return rc;
+		}
 	}
 
 	rc = ib_post_send(isert_conn->qp, wr->send_wr, &wr_failed);
@@ -2999,9 +3024,16 @@
 static int
 isert_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state)
 {
-	int ret;
+	struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
+	int ret = 0;
 
 	switch (state) {
+	case ISTATE_REMOVE:
+		spin_lock_bh(&conn->cmd_lock);
+		list_del_init(&cmd->i_conn_node);
+		spin_unlock_bh(&conn->cmd_lock);
+		isert_put_cmd(isert_cmd, true);
+		break;
 	case ISTATE_SEND_NOPIN_WANT_RESPONSE:
 		ret = isert_put_nopin(cmd, conn, false);
 		break;
@@ -3106,10 +3138,10 @@
 		isert_err("Unable to allocate struct isert_np\n");
 		return -ENOMEM;
 	}
-	sema_init(&isert_np->np_sem, 0);
-	mutex_init(&isert_np->np_accept_mutex);
-	INIT_LIST_HEAD(&isert_np->np_accept_list);
-	init_completion(&isert_np->np_login_comp);
+	sema_init(&isert_np->sem, 0);
+	mutex_init(&isert_np->mutex);
+	INIT_LIST_HEAD(&isert_np->accepted);
+	INIT_LIST_HEAD(&isert_np->pending);
 	isert_np->np = np;
 
 	/*
@@ -3125,7 +3157,7 @@
 		goto out;
 	}
 
-	isert_np->np_cm_id = isert_lid;
+	isert_np->cm_id = isert_lid;
 	np->np_context = isert_np;
 
 	return 0;
@@ -3214,7 +3246,7 @@
 	int ret;
 
 accept_wait:
-	ret = down_interruptible(&isert_np->np_sem);
+	ret = down_interruptible(&isert_np->sem);
 	if (ret)
 		return -ENODEV;
 
@@ -3231,15 +3263,15 @@
 	}
 	spin_unlock_bh(&np->np_thread_lock);
 
-	mutex_lock(&isert_np->np_accept_mutex);
-	if (list_empty(&isert_np->np_accept_list)) {
-		mutex_unlock(&isert_np->np_accept_mutex);
+	mutex_lock(&isert_np->mutex);
+	if (list_empty(&isert_np->pending)) {
+		mutex_unlock(&isert_np->mutex);
 		goto accept_wait;
 	}
-	isert_conn = list_first_entry(&isert_np->np_accept_list,
-			struct isert_conn, accept_node);
-	list_del_init(&isert_conn->accept_node);
-	mutex_unlock(&isert_np->np_accept_mutex);
+	isert_conn = list_first_entry(&isert_np->pending,
+			struct isert_conn, node);
+	list_del_init(&isert_conn->node);
+	mutex_unlock(&isert_np->mutex);
 
 	conn->context = isert_conn;
 	isert_conn->conn = conn;
@@ -3257,28 +3289,39 @@
 	struct isert_np *isert_np = np->np_context;
 	struct isert_conn *isert_conn, *n;
 
-	if (isert_np->np_cm_id)
-		rdma_destroy_id(isert_np->np_cm_id);
+	if (isert_np->cm_id)
+		rdma_destroy_id(isert_np->cm_id);
 
 	/*
 	 * FIXME: At this point we don't have a good way to insure
 	 * that at this point we don't have hanging connections that
 	 * completed RDMA establishment but didn't start iscsi login
 	 * process. So work-around this by cleaning up what ever piled
-	 * up in np_accept_list.
+	 * up in accepted and pending lists.
 	 */
-	mutex_lock(&isert_np->np_accept_mutex);
-	if (!list_empty(&isert_np->np_accept_list)) {
-		isert_info("Still have isert connections, cleaning up...\n");
+	mutex_lock(&isert_np->mutex);
+	if (!list_empty(&isert_np->pending)) {
+		isert_info("Still have isert pending connections\n");
 		list_for_each_entry_safe(isert_conn, n,
-					 &isert_np->np_accept_list,
-					 accept_node) {
+					 &isert_np->pending,
+					 node) {
 			isert_info("cleaning isert_conn %p state (%d)\n",
 				   isert_conn, isert_conn->state);
 			isert_connect_release(isert_conn);
 		}
 	}
-	mutex_unlock(&isert_np->np_accept_mutex);
+
+	if (!list_empty(&isert_np->accepted)) {
+		isert_info("Still have isert accepted connections\n");
+		list_for_each_entry_safe(isert_conn, n,
+					 &isert_np->accepted,
+					 node) {
+			isert_info("cleaning isert_conn %p state (%d)\n",
+				   isert_conn, isert_conn->state);
+			isert_connect_release(isert_conn);
+		}
+	}
+	mutex_unlock(&isert_np->mutex);
 
 	np->np_context = NULL;
 	kfree(isert_np);
@@ -3345,6 +3388,41 @@
 	wait_for_completion(&isert_conn->wait_comp_err);
 }
 
+/**
+ * isert_put_unsol_pending_cmds() - Drop commands waiting for
+ *     unsolicitate dataout
+ * @conn:    iscsi connection
+ *
+ * We might still have commands that are waiting for unsolicited
+ * dataouts messages. We must put the extra reference on those
+ * before blocking on the target_wait_for_session_cmds
+ */
+static void
+isert_put_unsol_pending_cmds(struct iscsi_conn *conn)
+{
+	struct iscsi_cmd *cmd, *tmp;
+	static LIST_HEAD(drop_cmd_list);
+
+	spin_lock_bh(&conn->cmd_lock);
+	list_for_each_entry_safe(cmd, tmp, &conn->conn_cmd_list, i_conn_node) {
+		if ((cmd->cmd_flags & ICF_NON_IMMEDIATE_UNSOLICITED_DATA) &&
+		    (cmd->write_data_done < conn->sess->sess_ops->FirstBurstLength) &&
+		    (cmd->write_data_done < cmd->se_cmd.data_length))
+			list_move_tail(&cmd->i_conn_node, &drop_cmd_list);
+	}
+	spin_unlock_bh(&conn->cmd_lock);
+
+	list_for_each_entry_safe(cmd, tmp, &drop_cmd_list, i_conn_node) {
+		list_del_init(&cmd->i_conn_node);
+		if (cmd->i_state != ISTATE_REMOVE) {
+			struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
+
+			isert_info("conn %p dropping cmd %p\n", conn, cmd);
+			isert_put_cmd(isert_cmd, true);
+		}
+	}
+}
+
 static void isert_wait_conn(struct iscsi_conn *conn)
 {
 	struct isert_conn *isert_conn = conn->context;
@@ -3363,8 +3441,9 @@
 	isert_conn_terminate(isert_conn);
 	mutex_unlock(&isert_conn->mutex);
 
-	isert_wait4cmds(conn);
 	isert_wait4flush(isert_conn);
+	isert_put_unsol_pending_cmds(conn);
+	isert_wait4cmds(conn);
 	isert_wait4logout(isert_conn);
 
 	queue_work(isert_release_wq, &isert_conn->release_work);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 6a04ba3..c5b99bc 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -113,7 +113,6 @@
 };
 
 struct isert_rdma_wr {
-	struct list_head	wr_list;
 	struct isert_cmd	*isert_cmd;
 	enum iser_ib_op_code	iser_ib_op;
 	struct ib_sge		*ib_sge;
@@ -134,14 +133,13 @@
 	uint64_t		write_va;
 	u64			pdu_buf_dma;
 	u32			pdu_buf_len;
-	u32			read_va_off;
-	u32			write_va_off;
-	u32			rdma_wr_num;
 	struct isert_conn	*conn;
 	struct iscsi_cmd	*iscsi_cmd;
 	struct iser_tx_desc	tx_desc;
+	struct iser_rx_desc	*rx_desc;
 	struct isert_rdma_wr	rdma_wr;
 	struct work_struct	comp_work;
+	struct scatterlist	sg;
 };
 
 struct isert_device;
@@ -159,11 +157,10 @@
 	u64			login_req_dma;
 	int			login_req_len;
 	u64			login_rsp_dma;
-	unsigned int		rx_desc_head;
 	struct iser_rx_desc	*rx_descs;
-	struct ib_recv_wr	rx_wr[ISERT_MIN_POSTED_RX];
+	struct ib_recv_wr	rx_wr[ISERT_QP_MAX_RECV_DTOS];
 	struct iscsi_conn	*conn;
-	struct list_head	accept_node;
+	struct list_head	node;
 	struct completion	login_comp;
 	struct completion	login_req_comp;
 	struct iser_tx_desc	login_tx_desc;
@@ -222,9 +219,9 @@
 
 struct isert_np {
 	struct iscsi_np         *np;
-	struct semaphore	np_sem;
-	struct rdma_cm_id	*np_cm_id;
-	struct mutex		np_accept_mutex;
-	struct list_head	np_accept_list;
-	struct completion	np_login_comp;
+	struct semaphore	sem;
+	struct rdma_cm_id	*cm_id;
+	struct mutex		mutex;
+	struct list_head	accepted;
+	struct list_head	pending;
 };
diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
index 56eb471..4215b53 100644
--- a/drivers/input/joystick/Kconfig
+++ b/drivers/input/joystick/Kconfig
@@ -196,6 +196,7 @@
 config JOYSTICK_ZHENHUA
 	tristate "5-byte Zhenhua RC transmitter"
 	select SERIO
+	select BITREVERSE
 	help
 	  Say Y here if you have a Zhen Hua PPM-4CH transmitter which is
 	  supplied with a ready to fly micro electric indoor helicopters
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index b76ac58..a8bc2fe 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -150,7 +150,7 @@
 		if (w->counter == 24) {	/* full frame */
 			walkera0701_parse_frame(w);
 			w->counter = NO_SYNC;
-			if (abs(pulse_time - SYNC_PULSE) < RESERVE)	/* new frame sync */
+			if (abs64(pulse_time - SYNC_PULSE) < RESERVE)	/* new frame sync */
 				w->counter = 0;
 		} else {
 			if ((pulse_time > (ANALOG_MIN_PULSE - RESERVE)
@@ -161,7 +161,7 @@
 			} else
 				w->counter = NO_SYNC;
 		}
-	} else if (abs(pulse_time - SYNC_PULSE - BIN0_PULSE) <
+	} else if (abs64(pulse_time - SYNC_PULSE - BIN0_PULSE) <
 				RESERVE + BIN1_PULSE - BIN0_PULSE)	/* frame sync .. */
 		w->counter = 0;
 
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index b052afe..6639b2b 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -266,7 +266,7 @@
 
 	error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
 	if (error)
-		return error;
+		goto err_free_keypad;
 
 	res = request_mem_region(res->start, resource_size(res), pdev->name);
 	if (!res) {
diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c
index 867db8a..e317b75 100644
--- a/drivers/input/misc/pm8941-pwrkey.c
+++ b/drivers/input/misc/pm8941-pwrkey.c
@@ -93,7 +93,7 @@
 	default:
 		reset_type = PON_PS_HOLD_TYPE_HARD_RESET;
 		break;
-	};
+	}
 
 	error = regmap_update_bits(pwrkey->regmap,
 				   pwrkey->baseaddr + PON_PS_HOLD_RST_CTL,
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 345df9b..5adbced 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -414,7 +414,7 @@
 	dev->id.product	= user_dev->id.product;
 	dev->id.version	= user_dev->id.version;
 
-	for_each_set_bit(i, dev->absbit, ABS_CNT) {
+	for (i = 0; i < ABS_CNT; i++) {
 		input_abs_set_max(dev, i, user_dev->absmax[i]);
 		input_abs_set_min(dev, i, user_dev->absmin[i]);
 		input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]);
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 73670f2..c0ec261 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -60,7 +60,7 @@
 	int (*get_sm_version)(struct i2c_client *client,
 			      u8* ic_type, u8 *version);
 	int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
-	int (*get_product_id)(struct i2c_client *client, u8 *id);
+	int (*get_product_id)(struct i2c_client *client, u16 *id);
 
 	int (*get_max)(struct i2c_client *client,
 		       unsigned int *max_x, unsigned int *max_y);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index fa94530..5e1665b 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -40,7 +40,7 @@
 #include "elan_i2c.h"
 
 #define DRIVER_NAME		"elan_i2c"
-#define ELAN_DRIVER_VERSION	"1.6.0"
+#define ELAN_DRIVER_VERSION	"1.6.1"
 #define ETP_MAX_PRESSURE	255
 #define ETP_FWIDTH_REDUCE	90
 #define ETP_FINGER_WIDTH	15
@@ -76,7 +76,7 @@
 	unsigned int		x_res;
 	unsigned int		y_res;
 
-	u8			product_id;
+	u16			product_id;
 	u8			fw_version;
 	u8			sm_version;
 	u8			iap_version;
@@ -98,15 +98,25 @@
 			   u16 *signature_address)
 {
 	switch (iap_version) {
+	case 0x00:
+	case 0x06:
 	case 0x08:
 		*validpage_count = 512;
 		break;
+	case 0x03:
+	case 0x07:
 	case 0x09:
+	case 0x0A:
+	case 0x0B:
+	case 0x0C:
 		*validpage_count = 768;
 		break;
 	case 0x0D:
 		*validpage_count = 896;
 		break;
+	case 0x0E:
+		*validpage_count = 640;
+		break;
 	default:
 		/* unknown ic type clear value */
 		*validpage_count = 0;
@@ -266,11 +276,10 @@
 
 	error = elan_get_fwinfo(data->iap_version, &data->fw_validpage_count,
 				&data->fw_signature_address);
-	if (error) {
-		dev_err(&data->client->dev,
-			"unknown iap version %d\n", data->iap_version);
-		return error;
-	}
+	if (error)
+		dev_warn(&data->client->dev,
+			 "unexpected iap version %#04x (ic type: %#04x), firmware update will not work\n",
+			 data->iap_version, data->ic_type);
 
 	return 0;
 }
@@ -486,6 +495,9 @@
 	const u8 *fw_signature;
 	static const u8 signature[] = {0xAA, 0x55, 0xCC, 0x33, 0xFF, 0xFF};
 
+	if (data->fw_validpage_count == 0)
+		return -EINVAL;
+
 	/* Look for a firmware with the product id appended. */
 	fw_name = kasprintf(GFP_KERNEL, ETP_FW_NAME, data->product_id);
 	if (!fw_name) {
diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index 683c840..a679e56 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -276,7 +276,7 @@
 	return 0;
 }
 
-static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id)
+static int elan_i2c_get_product_id(struct i2c_client *client, u16 *id)
 {
 	int error;
 	u8 val[3];
@@ -287,7 +287,7 @@
 		return error;
 	}
 
-	*id = val[0];
+	*id = le16_to_cpup((__le16 *)val);
 	return 0;
 }
 
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index ff36a36..cb6aecb 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -183,7 +183,7 @@
 	return 0;
 }
 
-static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id)
+static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id)
 {
 	int error;
 	u8 val[3];
@@ -195,7 +195,7 @@
 		return error;
 	}
 
-	*id = val[1];
+	*id = be16_to_cpup((__be16 *)val);
 	return 0;
 }
 
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 994ae78..6025eb4 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -519,18 +519,14 @@
 	struct synaptics_data *priv = psmouse->private;
 
 	priv->mode = 0;
-
-	if (priv->absolute_mode) {
+	if (priv->absolute_mode)
 		priv->mode |= SYN_BIT_ABSOLUTE_MODE;
-		if (SYN_CAP_EXTENDED(priv->capabilities))
-			priv->mode |= SYN_BIT_W_MODE;
-	}
-
-	if (!SYN_MODE_WMODE(priv->mode) && priv->disable_gesture)
+	if (priv->disable_gesture)
 		priv->mode |= SYN_BIT_DISABLE_GESTURE;
-
 	if (psmouse->rate >= 80)
 		priv->mode |= SYN_BIT_HIGH_RATE;
+	if (SYN_CAP_EXTENDED(priv->capabilities))
+		priv->mode |= SYN_BIT_W_MODE;
 
 	if (synaptics_mode_cmd(psmouse, priv->mode))
 		return -1;
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 7551699..316f2c8 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -212,12 +212,17 @@
 	 * time before the ACK arrives.
 	 */
 	if (ps2_sendbyte(ps2dev, command & 0xff,
-			 command == PS2_CMD_RESET_BAT ? 1000 : 200))
-		goto out;
+			 command == PS2_CMD_RESET_BAT ? 1000 : 200)) {
+		serio_pause_rx(ps2dev->serio);
+		goto out_reset_flags;
+	}
 
-	for (i = 0; i < send; i++)
-		if (ps2_sendbyte(ps2dev, param[i], 200))
-			goto out;
+	for (i = 0; i < send; i++) {
+		if (ps2_sendbyte(ps2dev, param[i], 200)) {
+			serio_pause_rx(ps2dev->serio);
+			goto out_reset_flags;
+		}
+	}
 
 	/*
 	 * The reset command takes a long time to execute.
@@ -234,17 +239,18 @@
 				   !(ps2dev->flags & PS2_FLAG_CMD), timeout);
 	}
 
+	serio_pause_rx(ps2dev->serio);
+
 	if (param)
 		for (i = 0; i < receive; i++)
 			param[i] = ps2dev->cmdbuf[(receive - 1) - i];
 
 	if (ps2dev->cmdcnt && (command != PS2_CMD_RESET_BAT || ps2dev->cmdcnt != 1))
-		goto out;
+		goto out_reset_flags;
 
 	rc = 0;
 
- out:
-	serio_pause_rx(ps2dev->serio);
+ out_reset_flags:
 	ps2dev->flags = 0;
 	serio_continue_rx(ps2dev->serio);
 
diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c
index 26b4593..1e8cd6f 100644
--- a/drivers/input/serio/parkbd.c
+++ b/drivers/input/serio/parkbd.c
@@ -194,6 +194,7 @@
 	parkbd_port = parkbd_allocate_serio();
 	if (!parkbd_port) {
 		parport_release(parkbd_dev);
+		parport_unregister_device(parkbd_dev);
 		return -ENOMEM;
 	}
 
diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index ff0b758..8275267 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -94,7 +94,7 @@
  * TSC module need ADC to get the measure value. So
  * before config TSC, we should initialize ADC module.
  */
-static void imx6ul_adc_init(struct imx6ul_tsc *tsc)
+static int imx6ul_adc_init(struct imx6ul_tsc *tsc)
 {
 	int adc_hc = 0;
 	int adc_gc;
@@ -122,17 +122,23 @@
 
 	timeout = wait_for_completion_timeout
 			(&tsc->completion, ADC_TIMEOUT);
-	if (timeout == 0)
+	if (timeout == 0) {
 		dev_err(tsc->dev, "Timeout for adc calibration\n");
+		return -ETIMEDOUT;
+	}
 
 	adc_gs = readl(tsc->adc_regs + REG_ADC_GS);
-	if (adc_gs & ADC_CALF)
+	if (adc_gs & ADC_CALF) {
 		dev_err(tsc->dev, "ADC calibration failed\n");
+		return -EINVAL;
+	}
 
 	/* TSC need the ADC work in hardware trigger */
 	adc_cfg = readl(tsc->adc_regs + REG_ADC_CFG);
 	adc_cfg |= ADC_HARDWARE_TRIGGER;
 	writel(adc_cfg, tsc->adc_regs + REG_ADC_CFG);
+
+	return 0;
 }
 
 /*
@@ -188,11 +194,17 @@
 	writel(start, tsc->tsc_regs + REG_TSC_FLOW_CONTROL);
 }
 
-static void imx6ul_tsc_init(struct imx6ul_tsc *tsc)
+static int imx6ul_tsc_init(struct imx6ul_tsc *tsc)
 {
-	imx6ul_adc_init(tsc);
+	int err;
+
+	err = imx6ul_adc_init(tsc);
+	if (err)
+		return err;
 	imx6ul_tsc_channel_config(tsc);
 	imx6ul_tsc_set(tsc);
+
+	return 0;
 }
 
 static void imx6ul_tsc_disable(struct imx6ul_tsc *tsc)
@@ -311,9 +323,7 @@
 		return err;
 	}
 
-	imx6ul_tsc_init(tsc);
-
-	return 0;
+	return imx6ul_tsc_init(tsc);
 }
 
 static void imx6ul_tsc_close(struct input_dev *input_dev)
@@ -337,7 +347,7 @@
 	int tsc_irq;
 	int adc_irq;
 
-	tsc = devm_kzalloc(&pdev->dev, sizeof(struct imx6ul_tsc), GFP_KERNEL);
+	tsc = devm_kzalloc(&pdev->dev, sizeof(*tsc), GFP_KERNEL);
 	if (!tsc)
 		return -ENOMEM;
 
@@ -345,7 +355,7 @@
 	if (!input_dev)
 		return -ENOMEM;
 
-	input_dev->name = "iMX6UL TouchScreen Controller";
+	input_dev->name = "iMX6UL Touchscreen Controller";
 	input_dev->id.bustype = BUS_HOST;
 
 	input_dev->open = imx6ul_tsc_open;
@@ -406,7 +416,7 @@
 	}
 
 	adc_irq = platform_get_irq(pdev, 1);
-	if (adc_irq <= 0) {
+	if (adc_irq < 0) {
 		dev_err(&pdev->dev, "no adc irq resource?\n");
 		return adc_irq;
 	}
@@ -491,7 +501,7 @@
 			goto out;
 		}
 
-		imx6ul_tsc_init(tsc);
+		retval = imx6ul_tsc_init(tsc);
 	}
 
 out:
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index 7cce876..1fafc9f 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -394,12 +394,12 @@
 	if (of_property_read_u32(np, "x-size", &pdata->x_size)) {
 		dev_err(dev, "failed to get x-size property\n");
 		return NULL;
-	};
+	}
 
 	if (of_property_read_u32(np, "y-size", &pdata->y_size)) {
 		dev_err(dev, "failed to get y-size property\n");
 		return NULL;
-	};
+	}
 
 	of_property_read_u32(np, "contact-threshold",
 				&pdata->contact_threshold);
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 4664c2a..d9da766 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -43,7 +43,7 @@
 endmenu
 
 config IOMMU_IOVA
-	bool
+	tristate
 
 config OF_IOMMU
        def_bool y
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 2d7349a..041bc18 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3215,6 +3215,8 @@
 
 	/* Restrict dma_mask to the width that the iommu can handle */
 	dma_mask = min_t(uint64_t, DOMAIN_MAX_ADDR(domain->gaw), dma_mask);
+	/* Ensure we reserve the whole size-aligned region */
+	nrpages = __roundup_pow_of_two(nrpages);
 
 	if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32)) {
 		/*
@@ -3711,7 +3713,7 @@
 static int __init iommu_init_mempool(void)
 {
 	int ret;
-	ret = iommu_iova_cache_init();
+	ret = iova_cache_get();
 	if (ret)
 		return ret;
 
@@ -3725,7 +3727,7 @@
 
 	kmem_cache_destroy(iommu_domain_cache);
 domain_error:
-	iommu_iova_cache_destroy();
+	iova_cache_put();
 
 	return -ENOMEM;
 }
@@ -3734,7 +3736,7 @@
 {
 	kmem_cache_destroy(iommu_devinfo_cache);
 	kmem_cache_destroy(iommu_domain_cache);
-	iommu_iova_cache_destroy();
+	iova_cache_put();
 }
 
 static void quirk_ioat_snb_local_iommu(struct pci_dev *pdev)
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index b7c3d92..fa0adef 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -18,42 +18,9 @@
  */
 
 #include <linux/iova.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 
-static struct kmem_cache *iommu_iova_cache;
-
-int iommu_iova_cache_init(void)
-{
-	int ret = 0;
-
-	iommu_iova_cache = kmem_cache_create("iommu_iova",
-					 sizeof(struct iova),
-					 0,
-					 SLAB_HWCACHE_ALIGN,
-					 NULL);
-	if (!iommu_iova_cache) {
-		pr_err("Couldn't create iova cache\n");
-		ret = -ENOMEM;
-	}
-
-	return ret;
-}
-
-void iommu_iova_cache_destroy(void)
-{
-	kmem_cache_destroy(iommu_iova_cache);
-}
-
-struct iova *alloc_iova_mem(void)
-{
-	return kmem_cache_alloc(iommu_iova_cache, GFP_ATOMIC);
-}
-
-void free_iova_mem(struct iova *iova)
-{
-	kmem_cache_free(iommu_iova_cache, iova);
-}
-
 void
 init_iova_domain(struct iova_domain *iovad, unsigned long granule,
 	unsigned long start_pfn, unsigned long pfn_32bit)
@@ -72,6 +39,7 @@
 	iovad->start_pfn = start_pfn;
 	iovad->dma_32bit_pfn = pfn_32bit;
 }
+EXPORT_SYMBOL_GPL(init_iova_domain);
 
 static struct rb_node *
 __get_cached_rbnode(struct iova_domain *iovad, unsigned long *limit_pfn)
@@ -120,19 +88,14 @@
 	}
 }
 
-/* Computes the padding size required, to make the
- * the start address naturally aligned on its size
+/*
+ * Computes the padding size required, to make the start address
+ * naturally aligned on the power-of-two order of its size
  */
-static int
-iova_get_pad_size(int size, unsigned int limit_pfn)
+static unsigned int
+iova_get_pad_size(unsigned int size, unsigned int limit_pfn)
 {
-	unsigned int pad_size = 0;
-	unsigned int order = ilog2(size);
-
-	if (order)
-		pad_size = (limit_pfn + 1) % (1 << order);
-
-	return pad_size;
+	return (limit_pfn + 1 - size) & (__roundup_pow_of_two(size) - 1);
 }
 
 static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
@@ -242,6 +205,57 @@
 	rb_insert_color(&iova->node, root);
 }
 
+static struct kmem_cache *iova_cache;
+static unsigned int iova_cache_users;
+static DEFINE_MUTEX(iova_cache_mutex);
+
+struct iova *alloc_iova_mem(void)
+{
+	return kmem_cache_alloc(iova_cache, GFP_ATOMIC);
+}
+EXPORT_SYMBOL(alloc_iova_mem);
+
+void free_iova_mem(struct iova *iova)
+{
+	kmem_cache_free(iova_cache, iova);
+}
+EXPORT_SYMBOL(free_iova_mem);
+
+int iova_cache_get(void)
+{
+	mutex_lock(&iova_cache_mutex);
+	if (!iova_cache_users) {
+		iova_cache = kmem_cache_create(
+			"iommu_iova", sizeof(struct iova), 0,
+			SLAB_HWCACHE_ALIGN, NULL);
+		if (!iova_cache) {
+			mutex_unlock(&iova_cache_mutex);
+			printk(KERN_ERR "Couldn't create iova cache\n");
+			return -ENOMEM;
+		}
+	}
+
+	iova_cache_users++;
+	mutex_unlock(&iova_cache_mutex);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(iova_cache_get);
+
+void iova_cache_put(void)
+{
+	mutex_lock(&iova_cache_mutex);
+	if (WARN_ON(!iova_cache_users)) {
+		mutex_unlock(&iova_cache_mutex);
+		return;
+	}
+	iova_cache_users--;
+	if (!iova_cache_users)
+		kmem_cache_destroy(iova_cache);
+	mutex_unlock(&iova_cache_mutex);
+}
+EXPORT_SYMBOL_GPL(iova_cache_put);
+
 /**
  * alloc_iova - allocates an iova
  * @iovad: - iova domain in question
@@ -265,12 +279,6 @@
 	if (!new_iova)
 		return NULL;
 
-	/* If size aligned is set then round the size to
-	 * to next power of two.
-	 */
-	if (size_aligned)
-		size = __roundup_pow_of_two(size);
-
 	ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn,
 			new_iova, size_aligned);
 
@@ -281,6 +289,7 @@
 
 	return new_iova;
 }
+EXPORT_SYMBOL_GPL(alloc_iova);
 
 /**
  * find_iova - find's an iova for a given pfn
@@ -321,6 +330,7 @@
 	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(find_iova);
 
 /**
  * __free_iova - frees the given iova
@@ -339,6 +349,7 @@
 	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
 	free_iova_mem(iova);
 }
+EXPORT_SYMBOL_GPL(__free_iova);
 
 /**
  * free_iova - finds and frees the iova for a given pfn
@@ -356,6 +367,7 @@
 		__free_iova(iovad, iova);
 
 }
+EXPORT_SYMBOL_GPL(free_iova);
 
 /**
  * put_iova_domain - destroys the iova doamin
@@ -378,6 +390,7 @@
 	}
 	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
 }
+EXPORT_SYMBOL_GPL(put_iova_domain);
 
 static int
 __is_range_overlap(struct rb_node *node,
@@ -467,6 +480,7 @@
 	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
 	return iova;
 }
+EXPORT_SYMBOL_GPL(reserve_iova);
 
 /**
  * copy_reserved_iova - copies the reserved between domains
@@ -493,6 +507,7 @@
 	}
 	spin_unlock_irqrestore(&from->iova_rbtree_lock, flags);
 }
+EXPORT_SYMBOL_GPL(copy_reserved_iova);
 
 struct iova *
 split_and_remove_iova(struct iova_domain *iovad, struct iova *iova,
@@ -534,3 +549,6 @@
 		free_iova_mem(prev);
 	return NULL;
 }
+
+MODULE_AUTHOR("Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c
index e9c6f2a..cd7d3bc 100644
--- a/drivers/irqchip/exynos-combiner.c
+++ b/drivers/irqchip/exynos-combiner.c
@@ -65,12 +65,10 @@
 	__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
 }
 
-static void combiner_handle_cascade_irq(unsigned int __irq,
-					struct irq_desc *desc)
+static void combiner_handle_cascade_irq(struct irq_desc *desc)
 {
 	struct combiner_chip_data *chip_data = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
-	unsigned int irq = irq_desc_get_irq(desc);
 	unsigned int cascade_irq, combiner_irq;
 	unsigned long status;
 
@@ -88,7 +86,7 @@
 	cascade_irq = irq_find_mapping(combiner_irq_domain, combiner_irq);
 
 	if (unlikely(!cascade_irq))
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 	else
 		generic_handle_irq(cascade_irq);
 
@@ -165,7 +163,7 @@
 
 	irq_set_chip_and_handler(irq, &combiner_chip, handle_level_irq);
 	irq_set_chip_data(irq, &combiner_data[hw >> 3]);
-	set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+	irq_set_probe(irq);
 
 	return 0;
 }
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 39b72da..655cb96 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -200,7 +200,6 @@
 {
 	irq_set_chip_and_handler(virq, &armada_370_xp_msi_irq_chip,
 				 handle_simple_irq);
-	set_irq_flags(virq, IRQF_VALID);
 
 	return 0;
 }
@@ -317,7 +316,7 @@
 		irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
 					handle_level_irq);
 	}
-	set_irq_flags(virq, IRQF_VALID | IRQF_PROBE);
+	irq_set_probe(virq);
 
 	return 0;
 }
@@ -447,8 +446,7 @@
 static void armada_370_xp_handle_msi_irq(struct pt_regs *r, bool b) {}
 #endif
 
-static void armada_370_xp_mpic_handle_cascade_irq(unsigned int irq,
-						  struct irq_desc *desc)
+static void armada_370_xp_mpic_handle_cascade_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned long irqmap, irqn, irqsrc, cpuid;
diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index 9da9942..f6d6804 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -88,28 +88,36 @@
 {
 	struct irq_domain *domain = d->domain;
 	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *gc = dgc->gc[0];
+	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 
-	/* Disable interrupt on AIC5 */
-	irq_gc_lock(gc);
+	/*
+	 * Disable interrupt on AIC5. We always take the lock of the
+	 * first irq chip as all chips share the same registers.
+	 */
+	irq_gc_lock(bgc);
 	irq_reg_writel(gc, d->hwirq, AT91_AIC5_SSR);
 	irq_reg_writel(gc, 1, AT91_AIC5_IDCR);
 	gc->mask_cache &= ~d->mask;
-	irq_gc_unlock(gc);
+	irq_gc_unlock(bgc);
 }
 
 static void aic5_unmask(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
 	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *gc = dgc->gc[0];
+	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 
-	/* Enable interrupt on AIC5 */
-	irq_gc_lock(gc);
+	/*
+	 * Enable interrupt on AIC5. We always take the lock of the
+	 * first irq chip as all chips share the same registers.
+	 */
+	irq_gc_lock(bgc);
 	irq_reg_writel(gc, d->hwirq, AT91_AIC5_SSR);
 	irq_reg_writel(gc, 1, AT91_AIC5_IECR);
 	gc->mask_cache |= d->mask;
-	irq_gc_unlock(gc);
+	irq_gc_unlock(bgc);
 }
 
 static int aic5_retrigger(struct irq_data *d)
diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c
index ed4ca9d..bf9cc5f 100644
--- a/drivers/irqchip/irq-bcm2835.c
+++ b/drivers/irqchip/irq-bcm2835.c
@@ -96,7 +96,7 @@
 static struct armctrl_ic intc __read_mostly;
 static void __exception_irq_entry bcm2835_handle_irq(
 	struct pt_regs *regs);
-static void bcm2836_chained_handle_irq(unsigned int irq, struct irq_desc *desc);
+static void bcm2836_chained_handle_irq(struct irq_desc *desc);
 
 static void armctrl_mask_irq(struct irq_data *d)
 {
@@ -166,7 +166,7 @@
 			BUG_ON(irq <= 0);
 			irq_set_chip_and_handler(irq, &armctrl_chip,
 				handle_level_irq);
-			set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+			irq_set_probe(irq);
 		}
 	}
 
@@ -245,7 +245,7 @@
 		handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs);
 }
 
-static void bcm2836_chained_handle_irq(unsigned int irq, struct irq_desc *desc)
+static void bcm2836_chained_handle_irq(struct irq_desc *desc)
 {
 	u32 hwirq;
 
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index 409bdc6..0fea985 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -115,7 +115,7 @@
 		writel(val, reg);
 }
 
-static void bcm7038_l1_irq_handle(unsigned int irq, struct irq_desc *desc)
+static void bcm7038_l1_irq_handle(struct irq_desc *desc)
 {
 	struct bcm7038_l1_chip *intc = irq_desc_get_handler_data(desc);
 	struct bcm7038_l1_cpu *cpu;
diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c
index d3f9769..61b18ab 100644
--- a/drivers/irqchip/irq-bcm7120-l2.c
+++ b/drivers/irqchip/irq-bcm7120-l2.c
@@ -56,7 +56,7 @@
 	const __be32 *map_mask_prop;
 };
 
-static void bcm7120_l2_intc_irq_handle(unsigned int irq, struct irq_desc *desc)
+static void bcm7120_l2_intc_irq_handle(struct irq_desc *desc)
 {
 	struct bcm7120_l1_intc_data *data = irq_desc_get_handler_data(desc);
 	struct bcm7120_l2_intc_data *b = data->b;
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index aedda06..65cd341 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -49,13 +49,12 @@
 	u32 saved_mask; /* for suspend/resume */
 };
 
-static void brcmstb_l2_intc_irq_handle(unsigned int __irq,
-				       struct irq_desc *desc)
+static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc)
 {
 	struct brcmstb_l2_intc_data *b = irq_desc_get_handler_data(desc);
 	struct irq_chip_generic *gc = irq_get_domain_generic_chip(b->domain, 0);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
-	unsigned int irq = irq_desc_get_irq(desc);
+	unsigned int irq;
 	u32 status;
 
 	chained_irq_enter(chip, desc);
@@ -65,7 +64,7 @@
 
 	if (status == 0) {
 		raw_spin_lock(&desc->lock);
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 		raw_spin_unlock(&desc->lock);
 		goto out;
 	}
diff --git a/drivers/irqchip/irq-clps711x.c b/drivers/irqchip/irq-clps711x.c
index 2dd929e..eb5eb0c 100644
--- a/drivers/irqchip/irq-clps711x.c
+++ b/drivers/irqchip/irq-clps711x.c
@@ -132,14 +132,14 @@
 					irq_hw_number_t hw)
 {
 	irq_flow_handler_t handler = handle_level_irq;
-	unsigned int flags = IRQF_VALID | IRQF_PROBE;
+	unsigned int flags = 0;
 
 	if (!clps711x_irqs[hw].flags)
 		return 0;
 
 	if (clps711x_irqs[hw].flags & CLPS711X_FLAG_FIQ) {
 		handler = handle_bad_irq;
-		flags |= IRQF_NOAUTOEN;
+		flags |= IRQ_NOAUTOEN;
 	} else if (clps711x_irqs[hw].eoi) {
 		handler = handle_fasteoi_irq;
 	}
@@ -149,7 +149,7 @@
 		writel_relaxed(0, clps711x_intc->base + clps711x_irqs[hw].eoi);
 
 	irq_set_chip_and_handler(virq, &clps711x_intc_chip, handler);
-	set_irq_flags(virq, flags);
+	irq_modify_status(virq, IRQ_NOPROBE, flags);
 
 	return 0;
 }
diff --git a/drivers/irqchip/irq-dw-apb-ictl.c b/drivers/irqchip/irq-dw-apb-ictl.c
index efd95d9..052f266 100644
--- a/drivers/irqchip/irq-dw-apb-ictl.c
+++ b/drivers/irqchip/irq-dw-apb-ictl.c
@@ -26,7 +26,7 @@
 #define APB_INT_FINALSTATUS_H	0x34
 #define APB_INT_BASE_OFFSET	0x04
 
-static void dw_apb_ictl_handler(unsigned int irq, struct irq_desc *desc)
+static void dw_apb_ictl_handler(struct irq_desc *desc)
 {
 	struct irq_domain *d = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index db04fc1..12985da 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -95,8 +95,8 @@
 	struct v2m_data *v2m = irq_data_get_irq_chip_data(data);
 	phys_addr_t addr = v2m->res.start + V2M_MSI_SETSPI_NS;
 
-	msg->address_hi = (u32) (addr >> 32);
-	msg->address_lo = (u32) (addr);
+	msg->address_hi = upper_32_bits(addr);
+	msg->address_lo = lower_32_bits(addr);
 	msg->data = data->hwirq;
 }
 
diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
index cf351c6..a7c8c9f 100644
--- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
@@ -62,7 +62,7 @@
 
 	dev_alias->dev_id = alias;
 	if (pdev != dev_alias->pdev)
-		dev_alias->count += its_pci_msi_vec_count(dev_alias->pdev);
+		dev_alias->count += its_pci_msi_vec_count(pdev);
 
 	return 0;
 }
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 26b55c5..25ceae9f 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -719,6 +719,9 @@
 out:
 	spin_unlock(&lpi_lock);
 
+	if (!bitmap)
+		*base = *nr_ids = 0;
+
 	return bitmap;
 }
 
@@ -898,8 +901,10 @@
 			 * non-cacheable as well.
 			 */
 			shr = tmp & GITS_BASER_SHAREABILITY_MASK;
-			if (!shr)
+			if (!shr) {
 				cache = GITS_BASER_nC;
+				__flush_dcache_area(base, alloc_size);
+			}
 			goto retry_baser;
 		}
 
@@ -1140,6 +1145,8 @@
 		return NULL;
 	}
 
+	__flush_dcache_area(itt, sz);
+
 	dev->its = its;
 	dev->itt = itt;
 	dev->nr_ites = nr_ites;
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 7deed6e..36ecfc8 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -70,11 +70,6 @@
 	return gic_irq(d) < 32;
 }
 
-static inline bool forwarded_irq(struct irq_data *d)
-{
-	return d->handler_data != NULL;
-}
-
 static inline void __iomem *gic_dist_base(struct irq_data *d)
 {
 	if (gic_irq_in_rdist(d))	/* SGI+PPI -> SGI_base for this CPU */
@@ -249,7 +244,7 @@
 	 * disabled/masked will not get "stuck", because there is
 	 * noone to deactivate it (guest is being terminated).
 	 */
-	if (forwarded_irq(d))
+	if (irqd_is_forwarded_to_vcpu(d))
 		gic_poke_irq(d, GICD_ICACTIVER);
 }
 
@@ -324,7 +319,7 @@
 	 * No need to deactivate an LPI, or an interrupt that
 	 * is is getting forwarded to a vcpu.
 	 */
-	if (gic_irq(d) >= 8192 || forwarded_irq(d))
+	if (gic_irq(d) >= 8192 || irqd_is_forwarded_to_vcpu(d))
 		return;
 	gic_write_dir(gic_irq(d));
 }
@@ -357,7 +352,10 @@
 
 static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu)
 {
-	d->handler_data = vcpu;
+	if (vcpu)
+		irqd_set_forwarded_to_vcpu(d);
+	else
+		irqd_clr_forwarded_to_vcpu(d);
 	return 0;
 }
 
@@ -754,13 +752,13 @@
 		irq_set_percpu_devid(irq);
 		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_percpu_devid_irq, NULL, NULL);
-		set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN);
+		irq_set_status_flags(irq, IRQ_NOAUTOEN);
 	}
 	/* SPIs */
 	if (hw >= 32 && hw < gic_data.irq_nr) {
 		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_fasteoi_irq, NULL, NULL);
-		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+		irq_set_probe(irq);
 	}
 	/* LPIs */
 	if (hw >= 8192 && hw < GIC_ID_NR) {
@@ -768,7 +766,6 @@
 			return -EPERM;
 		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_fasteoi_irq, NULL, NULL);
-		set_irq_flags(irq, IRQF_VALID);
 	}
 
 	return 0;
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index e6b7ed5..982c09c 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -145,29 +145,10 @@
 	void *data = irq_data_get_irq_handler_data(d);
 
 	/*
-	 * If handler_data pointing to one of the secondary GICs, then
-	 * this is a cascading interrupt, and it cannot possibly be
-	 * forwarded.
+	 * If handler_data is set, this is a cascading interrupt, and
+	 * it cannot possibly be forwarded.
 	 */
-	if (data >= (void *)(gic_data + 1) &&
-	    data <  (void *)(gic_data + MAX_GIC_NR))
-		return true;
-
-	return false;
-}
-
-static inline bool forwarded_irq(struct irq_data *d)
-{
-	/*
-	 * A forwarded interrupt:
-	 * - is on the primary GIC
-	 * - has its handler_data set to a value
-	 * - that isn't a secondary GIC
-	 */
-	if (d->handler_data && !cascading_gic_irq(d))
-		return true;
-
-	return false;
+	return data != NULL;
 }
 
 /*
@@ -201,7 +182,7 @@
 	 * disabled/masked will not get "stuck", because there is
 	 * noone to deactivate it (guest is being terminated).
 	 */
-	if (forwarded_irq(d))
+	if (irqd_is_forwarded_to_vcpu(d))
 		gic_poke_irq(d, GIC_DIST_ACTIVE_CLEAR);
 }
 
@@ -218,7 +199,7 @@
 static void gic_eoimode1_eoi_irq(struct irq_data *d)
 {
 	/* Do not deactivate an IRQ forwarded to a vcpu. */
-	if (forwarded_irq(d))
+	if (irqd_is_forwarded_to_vcpu(d))
 		return;
 
 	writel_relaxed(gic_irq(d), gic_cpu_base(d) + GIC_CPU_DEACTIVATE);
@@ -296,7 +277,10 @@
 	if (cascading_gic_irq(d))
 		return -EINVAL;
 
-	d->handler_data = vcpu;
+	if (vcpu)
+		irqd_set_forwarded_to_vcpu(d);
+	else
+		irqd_clr_forwarded_to_vcpu(d);
 	return 0;
 }
 
@@ -357,7 +341,7 @@
 	} while (1);
 }
 
-static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
+static void gic_handle_cascade_irq(struct irq_desc *desc)
 {
 	struct gic_chip_data *chip_data = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -376,7 +360,7 @@
 
 	cascade_irq = irq_find_mapping(chip_data->domain, gic_irq);
 	if (unlikely(gic_irq < 32 || gic_irq > 1020))
-		handle_bad_irq(cascade_irq, desc);
+		handle_bad_irq(desc);
 	else
 		generic_handle_irq(cascade_irq);
 
@@ -906,11 +890,11 @@
 		irq_set_percpu_devid(irq);
 		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_percpu_devid_irq, NULL, NULL);
-		set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN);
+		irq_set_status_flags(irq, IRQ_NOAUTOEN);
 	} else {
 		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_fasteoi_irq, NULL, NULL);
-		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+		irq_set_probe(irq);
 	}
 	return 0;
 }
@@ -1119,12 +1103,49 @@
 #ifdef CONFIG_OF
 static int gic_cnt __initdata;
 
+static bool gic_check_eoimode(struct device_node *node, void __iomem **base)
+{
+	struct resource cpuif_res;
+
+	of_address_to_resource(node, 1, &cpuif_res);
+
+	if (!is_hyp_mode_available())
+		return false;
+	if (resource_size(&cpuif_res) < SZ_8K)
+		return false;
+	if (resource_size(&cpuif_res) == SZ_128K) {
+		u32 val_low, val_high;
+
+		/*
+		 * Verify that we have the first 4kB of a GIC400
+		 * aliased over the first 64kB by checking the
+		 * GICC_IIDR register on both ends.
+		 */
+		val_low = readl_relaxed(*base + GIC_CPU_IDENT);
+		val_high = readl_relaxed(*base + GIC_CPU_IDENT + 0xf000);
+		if ((val_low & 0xffff0fff) != 0x0202043B ||
+		    val_low != val_high)
+			return false;
+
+		/*
+		 * Move the base up by 60kB, so that we have a 8kB
+		 * contiguous region, which allows us to use GICC_DIR
+		 * at its normal offset. Please pass me that bucket.
+		 */
+		*base += 0xf000;
+		cpuif_res.start += 0xf000;
+		pr_warn("GIC: Adjusting CPU interface base to %pa",
+			&cpuif_res.start);
+	}
+
+	return true;
+}
+
 static int __init
 gic_of_init(struct device_node *node, struct device_node *parent)
 {
 	void __iomem *cpu_base;
 	void __iomem *dist_base;
-	struct resource cpu_res;
 	u32 percpu_offset;
 	int irq;
 
@@ -1137,14 +1158,11 @@
 	cpu_base = of_iomap(node, 1);
 	WARN(!cpu_base, "unable to map gic cpu registers\n");
 
-	of_address_to_resource(node, 1, &cpu_res);
-
 	/*
 	 * Disable split EOI/Deactivate if either HYP is not available
 	 * or the CPU interface is too small.
 	 */
-	if (gic_cnt == 0 && (!is_hyp_mode_available() ||
-			     resource_size(&cpu_res) < SZ_8K))
+	if (gic_cnt == 0 && !gic_check_eoimode(node, &cpu_base))
 		static_key_slow_dec(&supports_deactivate);
 
 	if (of_property_read_u32(node, "cpu-offset", &percpu_offset))
diff --git a/drivers/irqchip/irq-hip04.c b/drivers/irqchip/irq-hip04.c
index a0128c7..8f3ca8f 100644
--- a/drivers/irqchip/irq-hip04.c
+++ b/drivers/irqchip/irq-hip04.c
@@ -307,11 +307,11 @@
 		irq_set_percpu_devid(irq);
 		irq_set_chip_and_handler(irq, &hip04_irq_chip,
 					 handle_percpu_devid_irq);
-		set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN);
+		irq_set_status_flags(irq, IRQ_NOAUTOEN);
 	} else {
 		irq_set_chip_and_handler(irq, &hip04_irq_chip,
 					 handle_fasteoi_irq);
-		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+		irq_set_probe(irq);
 	}
 	irq_set_chip_data(irq, d->host_data);
 	return 0;
diff --git a/drivers/irqchip/irq-i8259.c b/drivers/irqchip/irq-i8259.c
index 4836102..e484fd2 100644
--- a/drivers/irqchip/irq-i8259.c
+++ b/drivers/irqchip/irq-i8259.c
@@ -352,7 +352,7 @@
 	__init_i8259_irqs(NULL);
 }
 
-static void i8259_irq_dispatch(unsigned int __irq, struct irq_desc *desc)
+static void i8259_irq_dispatch(struct irq_desc *desc)
 {
 	struct irq_domain *domain = irq_desc_get_handler_data(desc);
 	int hwirq = i8259_irq();
diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c
index 841604b..c02d29c 100644
--- a/drivers/irqchip/irq-imgpdc.c
+++ b/drivers/irqchip/irq-imgpdc.c
@@ -218,7 +218,7 @@
 	return 0;
 }
 
-static void pdc_intc_perip_isr(unsigned int __irq, struct irq_desc *desc)
+static void pdc_intc_perip_isr(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct pdc_intc_priv *priv;
@@ -240,7 +240,7 @@
 	generic_handle_irq(irq_no);
 }
 
-static void pdc_intc_syswake_isr(unsigned int irq, struct irq_desc *desc)
+static void pdc_intc_syswake_isr(struct irq_desc *desc)
 {
 	struct pdc_intc_priv *priv;
 	unsigned int syswake, irq_no;
diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c
index c151726..deb89d6 100644
--- a/drivers/irqchip/irq-keystone.c
+++ b/drivers/irqchip/irq-keystone.c
@@ -83,7 +83,7 @@
 	/* nothing to do here */
 }
 
-static void keystone_irq_handler(unsigned __irq, struct irq_desc *desc)
+static void keystone_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct keystone_irq_device *kirq = irq_desc_get_handler_data(desc);
@@ -127,7 +127,7 @@
 
 	irq_set_chip_data(virq, kirq);
 	irq_set_chip_and_handler(virq, &kirq->chip, handle_level_irq);
-	set_irq_flags(virq, IRQF_VALID | IRQF_PROBE);
+	irq_set_probe(virq);
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c
index 5f4c529..8c38b3d 100644
--- a/drivers/irqchip/irq-metag-ext.c
+++ b/drivers/irqchip/irq-metag-ext.c
@@ -446,7 +446,7 @@
  * Whilst using TR2 to detect external interrupts is a software convention it is
  * (hopefully) unlikely to change.
  */
-static void meta_intc_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void meta_intc_irq_demux(struct irq_desc *desc)
 {
 	struct meta_intc_priv *priv = &meta_intc_priv;
 	irq_hw_number_t hw;
diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c
index 3d23ce3..a5f053b 100644
--- a/drivers/irqchip/irq-metag.c
+++ b/drivers/irqchip/irq-metag.c
@@ -220,7 +220,7 @@
  *	occurred. It is this function's job to demux this irq and
  *	figure out exactly which trigger needs servicing.
  */
-static void metag_internal_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void metag_internal_irq_demux(struct irq_desc *desc)
 {
 	struct metag_internal_irq_priv *priv = irq_desc_get_handler_data(desc);
 	irq_hw_number_t hw;
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 1764bcf..aeaa061 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -320,6 +320,14 @@
 		intrmask[i] = gic_read(intrmask_reg);
 		pending_reg += gic_reg_step;
 		intrmask_reg += gic_reg_step;
+
+		if (!config_enabled(CONFIG_64BIT) || mips_cm_is64)
+			continue;
+
+		pending[i] |= (u64)gic_read(pending_reg) << 32;
+		intrmask[i] |= (u64)gic_read(intrmask_reg) << 32;
+		pending_reg += gic_reg_step;
+		intrmask_reg += gic_reg_step;
 	}
 
 	bitmap_and(pending, pending, intrmask, gic_shared_intrs);
@@ -426,7 +434,7 @@
 	spin_lock_irqsave(&gic_lock, flags);
 
 	/* Re-route this IRQ */
-	gic_map_to_vpe(irq, cpumask_first(&tmp));
+	gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp)));
 
 	/* Update the pcpu_masks */
 	for (i = 0; i < NR_CPUS; i++)
@@ -546,7 +554,7 @@
 	gic_handle_shared_int(false);
 }
 
-static void gic_irq_dispatch(unsigned int irq, struct irq_desc *desc)
+static void gic_irq_dispatch(struct irq_desc *desc)
 {
 	gic_handle_local_int(true);
 	gic_handle_shared_int(true);
@@ -599,7 +607,7 @@
 				      GIC_SHARED_TO_HWIRQ(intr));
 	int i;
 
-	gic_map_to_vpe(intr, cpu);
+	gic_map_to_vpe(intr, mips_cm_vp_id(cpu));
 	for (i = 0; i < NR_CPUS; i++)
 		clear_bit(intr, pcpu_masks[i].pcpu_mask);
 	set_bit(intr, pcpu_masks[cpu].pcpu_mask);
diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c
index 781ed6e..013fc96 100644
--- a/drivers/irqchip/irq-mmp.c
+++ b/drivers/irqchip/irq-mmp.c
@@ -129,7 +129,7 @@
 	.irq_unmask	= icu_unmask_irq,
 };
 
-static void icu_mux_irq_demux(unsigned int __irq, struct irq_desc *desc)
+static void icu_mux_irq_demux(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct irq_domain *domain;
@@ -164,7 +164,6 @@
 			      irq_hw_number_t hw)
 {
 	irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
-	set_irq_flags(irq, IRQF_VALID);
 	return 0;
 }
 
@@ -234,7 +233,6 @@
 	for (irq = 0; irq < 64; irq++) {
 		icu_mask_irq(irq_get_irq_data(irq));
 		irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
 	}
 	irq_set_default_host(icu_data[0].domain);
 	set_handle_irq(mmp_handle_irq);
@@ -337,7 +335,6 @@
 			irq_set_chip_and_handler(irq, &icu_irq_chip,
 						 handle_level_irq);
 		}
-		set_irq_flags(irq, IRQF_VALID);
 	}
 	irq_set_default_host(icu_data[0].domain);
 	set_handle_irq(mmp2_handle_irq);
diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c
index 1faf812..604df63 100644
--- a/drivers/irqchip/irq-mxs.c
+++ b/drivers/irqchip/irq-mxs.c
@@ -84,7 +84,6 @@
 				irq_hw_number_t hw)
 {
 	irq_set_chip_and_handler(virq, &mxs_icoll_chip, handle_level_irq);
-	set_irq_flags(virq, IRQF_VALID);
 
 	return 0;
 }
diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c
index 5ea999a..be4c5a8 100644
--- a/drivers/irqchip/irq-orion.c
+++ b/drivers/irqchip/irq-orion.c
@@ -106,7 +106,7 @@
 #define ORION_BRIDGE_IRQ_CAUSE	0x00
 #define ORION_BRIDGE_IRQ_MASK	0x04
 
-static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void orion_bridge_irq_handler(struct irq_desc *desc)
 {
 	struct irq_domain *d = irq_desc_get_handler_data(desc);
 
diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 0670ab4..9525335 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -283,6 +283,9 @@
 static int intc_irqpin_irq_set_wake(struct irq_data *d, unsigned int on)
 {
 	struct intc_irqpin_priv *p = irq_data_get_irq_chip_data(d);
+	int hw_irq = irqd_to_hwirq(d);
+
+	irq_set_irq_wake(p->irq[hw_irq].requested_irq, on);
 
 	if (!p->clk)
 		return 0;
@@ -332,6 +335,12 @@
 	return status;
 }
 
+/*
+ * This lock class tells lockdep that INTC External IRQ Pin irqs are in a
+ * different category than their parents, so it won't report false recursion.
+ */
+static struct lock_class_key intc_irqpin_irq_lock_class;
+
 static int intc_irqpin_irq_domain_map(struct irq_domain *h, unsigned int virq,
 				      irq_hw_number_t hw)
 {
@@ -342,8 +351,8 @@
 
 	intc_irqpin_dbg(&p->irq[hw], "map");
 	irq_set_chip_data(virq, h->host_data);
+	irq_set_lockdep_class(virq, &intc_irqpin_irq_lock_class);
 	irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq);
-	set_irq_flags(virq, IRQF_VALID); /* kill me now */
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 2aa3add7..35bf97b 100644
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -121,6 +121,9 @@
 static int irqc_irq_set_wake(struct irq_data *d, unsigned int on)
 {
 	struct irqc_priv *p = irq_data_get_irq_chip_data(d);
+	int hw_irq = irqd_to_hwirq(d);
+
+	irq_set_irq_wake(p->irq[hw_irq].requested_irq, on);
 
 	if (!p->clk)
 		return 0;
@@ -150,6 +153,12 @@
 	return IRQ_NONE;
 }
 
+/*
+ * This lock class tells lockdep that IRQC irqs are in a different
+ * category than their parents, so it won't report false recursion.
+ */
+static struct lock_class_key irqc_irq_lock_class;
+
 static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq,
 			       irq_hw_number_t hw)
 {
@@ -157,6 +166,7 @@
 
 	irqc_dbg(&p->irq[hw], "map");
 	irq_set_chip_data(virq, h->host_data);
+	irq_set_lockdep_class(virq, &irqc_irq_lock_class);
 	irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq);
 	return 0;
 }
diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c
index 506d9f2..7154b01 100644
--- a/drivers/irqchip/irq-s3c24xx.c
+++ b/drivers/irqchip/irq-s3c24xx.c
@@ -298,7 +298,7 @@
 	.irq_set_type	= s3c_irqext0_type,
 };
 
-static void s3c_irq_demux(unsigned int __irq, struct irq_desc *desc)
+static void s3c_irq_demux(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct s3c_irq_data *irq_data = irq_desc_get_chip_data(desc);
@@ -466,13 +466,11 @@
 
 	irq_set_chip_data(virq, irq_data);
 
-	set_irq_flags(virq, IRQF_VALID);
-
 	if (parent_intc && irq_data->type != S3C_IRQTYPE_NONE) {
 		if (irq_data->parent_irq > 31) {
 			pr_err("irq-s3c24xx: parent irq %lu is out of range\n",
 			       irq_data->parent_irq);
-			goto err;
+			return -EINVAL;
 		}
 
 		parent_irq_data = &parent_intc->irqs[irq_data->parent_irq];
@@ -485,18 +483,12 @@
 		if (!irqno) {
 			pr_err("irq-s3c24xx: could not find mapping for parent irq %lu\n",
 			       irq_data->parent_irq);
-			goto err;
+			return -EINVAL;
 		}
 		irq_set_chained_handler(irqno, s3c_irq_demux);
 	}
 
 	return 0;
-
-err:
-	set_irq_flags(virq, 0);
-
-	/* the only error can result from bad mapping data*/
-	return -EINVAL;
 }
 
 static const struct irq_domain_ops s3c24xx_irq_ops = {
@@ -1174,8 +1166,6 @@
 
 	irq_set_chip_data(virq, irq_data);
 
-	set_irq_flags(virq, IRQF_VALID);
-
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c
index 4ad3e7c..0704362 100644
--- a/drivers/irqchip/irq-sun4i.c
+++ b/drivers/irqchip/irq-sun4i.c
@@ -83,7 +83,7 @@
 			 irq_hw_number_t hw)
 {
 	irq_set_chip_and_handler(virq, &sun4i_irq_chip, handle_fasteoi_irq);
-	set_irq_flags(virq, IRQF_VALID | IRQF_PROBE);
+	irq_set_probe(virq);
 
 	return 0;
 }
diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c
index 772a82c..c143dd5 100644
--- a/drivers/irqchip/irq-sunxi-nmi.c
+++ b/drivers/irqchip/irq-sunxi-nmi.c
@@ -58,7 +58,7 @@
 	return irq_reg_readl(gc, off);
 }
 
-static void sunxi_sc_nmi_handle_irq(unsigned int irq, struct irq_desc *desc)
+static void sunxi_sc_nmi_handle_irq(struct irq_desc *desc)
 {
 	struct irq_domain *domain = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/irqchip/irq-tb10x.c b/drivers/irqchip/irq-tb10x.c
index 3318296..848d782 100644
--- a/drivers/irqchip/irq-tb10x.c
+++ b/drivers/irqchip/irq-tb10x.c
@@ -97,7 +97,7 @@
 	return IRQ_SET_MASK_OK;
 }
 
-static void tb10x_irq_cascade(unsigned int __irq, struct irq_desc *desc)
+static void tb10x_irq_cascade(struct irq_desc *desc)
 {
 	struct irq_domain *domain = irq_desc_get_handler_data(desc);
 	unsigned int irq = irq_desc_get_irq(desc);
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 16123f6..598ab3f 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -65,19 +65,19 @@
 	writel(mask, f->base + IRQ_ENABLE_SET);
 }
 
-static void fpga_irq_handle(unsigned int __irq, struct irq_desc *desc)
+static void fpga_irq_handle(struct irq_desc *desc)
 {
 	struct fpga_irq_data *f = irq_desc_get_handler_data(desc);
-	unsigned int irq = irq_desc_get_irq(desc);
 	u32 status = readl(f->base + IRQ_STATUS);
 
 	if (status == 0) {
-		do_bad_IRQ(irq, desc);
+		do_bad_IRQ(desc);
 		return;
 	}
 
 	do {
-		irq = ffs(status) - 1;
+		unsigned int irq = ffs(status) - 1;
+
 		status &= ~(1 << irq);
 		generic_handle_irq(irq_find_mapping(f->domain, irq));
 	} while (status);
@@ -128,7 +128,7 @@
 	irq_set_chip_data(irq, f);
 	irq_set_chip_and_handler(irq, &f->chip,
 				handle_level_irq);
-	set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+	irq_set_probe(irq);
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c
index 03846df..b956dff 100644
--- a/drivers/irqchip/irq-vic.c
+++ b/drivers/irqchip/irq-vic.c
@@ -201,7 +201,7 @@
 		return -EPERM;
 	irq_set_chip_and_handler(irq, &vic_chip, handle_level_irq);
 	irq_set_chip_data(irq, v->base);
-	set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+	irq_set_probe(irq);
 	return 0;
 }
 
@@ -225,7 +225,7 @@
 	return handled;
 }
 
-static void vic_handle_irq_cascaded(unsigned int irq, struct irq_desc *desc)
+static void vic_handle_irq_cascaded(struct irq_desc *desc)
 {
 	u32 stat, hwirq;
 	struct irq_chip *host_chip = irq_desc_get_chip(desc);
diff --git a/drivers/irqchip/irq-vt8500.c b/drivers/irqchip/irq-vt8500.c
index 8371d99..f9af0af 100644
--- a/drivers/irqchip/irq-vt8500.c
+++ b/drivers/irqchip/irq-vt8500.c
@@ -167,7 +167,6 @@
 							irq_hw_number_t hw)
 {
 	irq_set_chip_and_handler(virq, &vt8500_irq_chip, handle_level_irq);
-	set_irq_flags(virq, IRQF_VALID);
 
 	return 0;
 }
diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c
index 4cbd9c5..1ccd2ab 100644
--- a/drivers/irqchip/spear-shirq.c
+++ b/drivers/irqchip/spear-shirq.c
@@ -182,7 +182,7 @@
 	&spear320_shirq_intrcomm_ras,
 };
 
-static void shirq_handler(unsigned __irq, struct irq_desc *desc)
+static void shirq_handler(struct irq_desc *desc)
 {
 	struct spear_shirq *shirq = irq_desc_get_handler_data(desc);
 	u32 pend;
@@ -211,7 +211,6 @@
 	for (i = 0; i < shirq->nr_irqs; i++) {
 		irq_set_chip_and_handler(shirq->virq_base + i,
 					 shirq->irq_chip, handle_simple_irq);
-		set_irq_flags(shirq->virq_base + i, IRQF_VALID);
 		irq_set_chip_data(shirq->virq_base + i, shirq);
 	}
 }
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 70f4255..42990f2 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -170,6 +170,7 @@
 
 config LEDS_IPAQ_MICRO
 	tristate "LED Support for the Compaq iPAQ h3xxx"
+	depends on LEDS_CLASS
 	depends on MFD_IPAQ_MICRO
 	help
 	  Choose this option if you want to use the notification LED on
@@ -229,7 +230,7 @@
 	tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
 	depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
 	select FW_LOADER
-	select FW_LOADER_USER_HELPER_FALLBACK
+	select FW_LOADER_USER_HELPER
 	help
 	  This option supports common operations for LP5521/5523/55231/5562/8501
 	  devices.
diff --git a/drivers/leds/leds-aat1290.c b/drivers/leds/leds-aat1290.c
index fd7c25f..ac77d36 100644
--- a/drivers/leds/leds-aat1290.c
+++ b/drivers/leds/leds-aat1290.c
@@ -331,7 +331,7 @@
 	cfg->max_brightness = b + 1;
 }
 
-int init_mm_current_scale(struct aat1290_led *led,
+static int init_mm_current_scale(struct aat1290_led *led,
 			struct aat1290_led_config_data *cfg)
 {
 	int max_mm_current_percent[] = { 20, 22, 25, 28, 32, 36, 40, 45, 50, 56,
@@ -559,6 +559,7 @@
 	{ .compatible = "skyworks,aat1290" },
 	{},
 };
+MODULE_DEVICE_TABLE(of, aat1290_led_dt_match);
 
 static struct platform_driver aat1290_led_driver = {
 	.probe		= aat1290_led_probe,
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
index 986fe1e..1793727 100644
--- a/drivers/leds/leds-bcm6328.c
+++ b/drivers/leds/leds-bcm6328.c
@@ -395,6 +395,7 @@
 	{ .compatible = "brcm,bcm6328-leds", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, bcm6328_leds_of_match);
 
 static struct platform_driver bcm6328_leds_driver = {
 	.probe = bcm6328_leds_probe,
diff --git a/drivers/leds/leds-bcm6358.c b/drivers/leds/leds-bcm6358.c
index 21f9693..7ea3526 100644
--- a/drivers/leds/leds-bcm6358.c
+++ b/drivers/leds/leds-bcm6358.c
@@ -226,6 +226,7 @@
 	{ .compatible = "brcm,bcm6358-leds", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, bcm6358_leds_of_match);
 
 static struct platform_driver bcm6358_leds_driver = {
 	.probe = bcm6358_leds_probe,
diff --git a/drivers/leds/leds-ktd2692.c b/drivers/leds/leds-ktd2692.c
index 2ae8c4d..feca07b 100644
--- a/drivers/leds/leds-ktd2692.c
+++ b/drivers/leds/leds-ktd2692.c
@@ -426,6 +426,7 @@
 	{ .compatible = "kinetic,ktd2692", },
 	{ /* sentinel */ },
 };
+MODULE_DEVICE_TABLE(of, ktd2692_match);
 
 static struct platform_driver ktd2692_driver = {
 	.driver = {
diff --git a/drivers/leds/leds-max77693.c b/drivers/leds/leds-max77693.c
index df348a0..afbb140 100644
--- a/drivers/leds/leds-max77693.c
+++ b/drivers/leds/leds-max77693.c
@@ -1080,6 +1080,7 @@
 	{ .compatible = "maxim,max77693-led" },
 	{},
 };
+MODULE_DEVICE_TABLE(of, max77693_led_dt_match);
 
 static struct platform_driver max77693_led_driver = {
 	.probe		= max77693_led_probe,
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index b33514d..a95a612 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -337,6 +337,7 @@
 	{ .compatible = "lacie,ns2-leds", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, of_ns2_leds_match);
 #endif /* CONFIG_OF_GPIO */
 
 struct ns2_led_priv {
diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
index de36237..0516454 100644
--- a/drivers/mcb/mcb-pci.c
+++ b/drivers/mcb/mcb-pci.c
@@ -74,7 +74,7 @@
 		ret = -ENOTSUPP;
 		dev_err(&pdev->dev,
 			"IO mapped PCI devices are not supported\n");
-		goto out_release;
+		goto out_iounmap;
 	}
 
 	pci_set_drvdata(pdev, priv);
@@ -89,7 +89,7 @@
 
 	ret = chameleon_parse_cells(priv->bus, priv->mapbase, priv->base);
 	if (ret < 0)
-		goto out_iounmap;
+		goto out_mcb_bus;
 	num_cells = ret;
 
 	dev_dbg(&pdev->dev, "Found %d cells\n", num_cells);
@@ -98,6 +98,8 @@
 
 	return 0;
 
+out_mcb_bus:
+	mcb_release_bus(priv->bus);
 out_iounmap:
 	iounmap(priv->base);
 out_release:
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index e51de52..48b5890 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1997,7 +1997,8 @@
 	if (bitmap->mddev->bitmap_info.offset || bitmap->mddev->bitmap_info.file)
 		ret = bitmap_storage_alloc(&store, chunks,
 					   !bitmap->mddev->bitmap_info.external,
-					   bitmap->cluster_slot);
+					   mddev_is_clustered(bitmap->mddev)
+					   ? bitmap->cluster_slot : 0);
 	if (ret)
 		goto err;
 
diff --git a/drivers/md/dm-cache-policy-cleaner.c b/drivers/md/dm-cache-policy-cleaner.c
index 240c9f0..8a09645 100644
--- a/drivers/md/dm-cache-policy-cleaner.c
+++ b/drivers/md/dm-cache-policy-cleaner.c
@@ -436,7 +436,7 @@
 static struct dm_cache_policy_type wb_policy_type = {
 	.name = "cleaner",
 	.version = {1, 0, 0},
-	.hint_size = 0,
+	.hint_size = 4,
 	.owner = THIS_MODULE,
 	.create = wb_create
 };
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index d60c88d..4b3b6f8 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -968,7 +968,8 @@
 
 /*
  * Generate a new unfragmented bio with the given size
- * This should never violate the device limitations
+ * This should never violate the device limitations (but only because
+ * max_segment_size is being constrained to PAGE_SIZE).
  *
  * This function may be called concurrently. If we allocate from the mempool
  * concurrently, there is a possibility of deadlock. For example, if we have
@@ -2045,9 +2046,20 @@
 	return fn(ti, cc->dev, cc->start, ti->len, data);
 }
 
+static void crypt_io_hints(struct dm_target *ti, struct queue_limits *limits)
+{
+	/*
+	 * Unfortunate constraint that is required to avoid the potential
+	 * for exceeding underlying device's max_segments limits -- due to
+	 * crypt_alloc_buffer() possibly allocating pages for the encryption
+	 * bio that are not as physically contiguous as the original bio.
+	 */
+	limits->max_segment_size = PAGE_SIZE;
+}
+
 static struct target_type crypt_target = {
 	.name   = "crypt",
-	.version = {1, 14, 0},
+	.version = {1, 14, 1},
 	.module = THIS_MODULE,
 	.ctr    = crypt_ctr,
 	.dtr    = crypt_dtr,
@@ -2058,6 +2070,7 @@
 	.resume = crypt_resume,
 	.message = crypt_message,
 	.iterate_devices = crypt_iterate_devices,
+	.io_hints = crypt_io_hints,
 };
 
 static int __init dm_crypt_init(void)
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index ebaa4f8..192bb8b 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -203,7 +203,7 @@
 		return -EINVAL;
 	}
 
-	tmp_store = kmalloc(sizeof(*tmp_store), GFP_KERNEL);
+	tmp_store = kzalloc(sizeof(*tmp_store), GFP_KERNEL);
 	if (!tmp_store) {
 		ti->error = "Exception store allocation failed";
 		return -ENOMEM;
@@ -215,7 +215,7 @@
 	else if (persistent == 'N')
 		type = get_type("N");
 	else {
-		ti->error = "Persistent flag is not P or N";
+		ti->error = "Exception store type is not P or N";
 		r = -EINVAL;
 		goto bad_type;
 	}
@@ -233,7 +233,7 @@
 	if (r)
 		goto bad;
 
-	r = type->ctr(tmp_store, 0, NULL);
+	r = type->ctr(tmp_store, (strlen(argv[0]) > 1 ? &argv[0][1] : NULL));
 	if (r) {
 		ti->error = "Exception store type constructor failed";
 		goto bad;
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h
index 0b25362..fae34e7 100644
--- a/drivers/md/dm-exception-store.h
+++ b/drivers/md/dm-exception-store.h
@@ -42,8 +42,7 @@
 	const char *name;
 	struct module *module;
 
-	int (*ctr) (struct dm_exception_store *store,
-		    unsigned argc, char **argv);
+	int (*ctr) (struct dm_exception_store *store, char *options);
 
 	/*
 	 * Destroys this object when you've finished with it.
@@ -123,6 +122,8 @@
 	unsigned chunk_shift;
 
 	void *context;
+
+	bool userspace_supports_overflow;
 };
 
 /*
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 97e1651..a090121 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -329,8 +329,7 @@
 		 */
 		if (min_region_size > (1 << 13)) {
 			/* If not a power of 2, make it the next power of 2 */
-			if (min_region_size & (min_region_size - 1))
-				region_size = 1 << fls(region_size);
+			region_size = roundup_pow_of_two(min_region_size);
 			DMINFO("Choosing default region size of %lu sectors",
 			       region_size);
 		} else {
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index bf71583..aeacad9 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -7,6 +7,7 @@
 
 #include "dm-exception-store.h"
 
+#include <linux/ctype.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
 #include <linux/vmalloc.h>
@@ -843,8 +844,7 @@
 		DMWARN("write header failed");
 }
 
-static int persistent_ctr(struct dm_exception_store *store,
-			  unsigned argc, char **argv)
+static int persistent_ctr(struct dm_exception_store *store, char *options)
 {
 	struct pstore *ps;
 
@@ -873,6 +873,16 @@
 		return -ENOMEM;
 	}
 
+	if (options) {
+		char overflow = toupper(options[0]);
+		if (overflow == 'O')
+			store->userspace_supports_overflow = true;
+		else {
+			DMERR("Unsupported persistent store option: %s", options);
+			return -EINVAL;
+		}
+	}
+
 	store->context = ps;
 
 	return 0;
@@ -888,7 +898,8 @@
 	case STATUSTYPE_INFO:
 		break;
 	case STATUSTYPE_TABLE:
-		DMEMIT(" P %llu", (unsigned long long)store->chunk_size);
+		DMEMIT(" %s %llu", store->userspace_supports_overflow ? "PO" : "P",
+		       (unsigned long long)store->chunk_size);
 	}
 
 	return sz;
diff --git a/drivers/md/dm-snap-transient.c b/drivers/md/dm-snap-transient.c
index 1ce9a25..9b7c8c8 100644
--- a/drivers/md/dm-snap-transient.c
+++ b/drivers/md/dm-snap-transient.c
@@ -70,8 +70,7 @@
 	*metadata_sectors = 0;
 }
 
-static int transient_ctr(struct dm_exception_store *store,
-			 unsigned argc, char **argv)
+static int transient_ctr(struct dm_exception_store *store, char *options)
 {
 	struct transient_c *tc;
 
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index c0bcd65..c06b74e 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1098,7 +1098,7 @@
 }
 
 /*
- * Construct a snapshot mapping: <origin_dev> <COW-dev> <p/n> <chunk-size>
+ * Construct a snapshot mapping: <origin_dev> <COW-dev> <p|po|n> <chunk-size>
  */
 static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 {
@@ -1302,6 +1302,7 @@
 
 	u.store_swap = snap_dest->store;
 	snap_dest->store = snap_src->store;
+	snap_dest->store->userspace_supports_overflow = u.store_swap->userspace_supports_overflow;
 	snap_src->store = u.store_swap;
 
 	snap_dest->store->snap = snap_dest;
@@ -1739,8 +1740,11 @@
 
 			pe = __find_pending_exception(s, pe, chunk);
 			if (!pe) {
-				s->snapshot_overflowed = 1;
-				DMERR("Snapshot overflowed: Unable to allocate exception.");
+				if (s->store->userspace_supports_overflow) {
+					s->snapshot_overflowed = 1;
+					DMERR("Snapshot overflowed: Unable to allocate exception.");
+				} else
+					__invalidate_snapshot(s, -ENOMEM);
 				r = -EIO;
 				goto out_unlock;
 			}
@@ -2365,7 +2369,7 @@
 
 static struct target_type snapshot_target = {
 	.name    = "snapshot",
-	.version = {1, 14, 0},
+	.version = {1, 15, 0},
 	.module  = THIS_MODULE,
 	.ctr     = snapshot_ctr,
 	.dtr     = snapshot_dtr,
@@ -2379,7 +2383,7 @@
 
 static struct target_type merge_target = {
 	.name    = dm_snapshot_merge_target_name,
-	.version = {1, 3, 0},
+	.version = {1, 4, 0},
 	.module  = THIS_MODULE,
 	.ctr     = snapshot_ctr,
 	.dtr     = snapshot_dtr,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 6578b7b..6fcbfb0 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -4249,6 +4249,10 @@
 {
 	struct thin_c *tc = ti->private;
 	struct pool *pool = tc->pool;
+	struct queue_limits *pool_limits = dm_get_queue_limits(pool->pool_md);
+
+	if (!pool_limits->discard_granularity)
+		return; /* pool's discard support is disabled */
 
 	limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
 	limits->max_discard_sectors = 2048 * 1024 * 16; /* 16G */
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6264781..1b5c604 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1001,6 +1001,7 @@
 	struct dm_rq_target_io *tio = info->tio;
 	struct bio *bio = info->orig;
 	unsigned int nr_bytes = info->orig->bi_iter.bi_size;
+	int error = clone->bi_error;
 
 	bio_put(clone);
 
@@ -1011,13 +1012,13 @@
 		 * the remainder.
 		 */
 		return;
-	else if (bio->bi_error) {
+	else if (error) {
 		/*
 		 * Don't notice the error to the upper layer yet.
 		 * The error handling decision is made by the target driver,
 		 * when the request is completed.
 		 */
-		tio->error = bio->bi_error;
+		tio->error = error;
 		return;
 	}
 
@@ -2837,8 +2838,6 @@
 
 	might_sleep();
 
-	map = dm_get_live_table(md, &srcu_idx);
-
 	spin_lock(&_minor_lock);
 	idr_replace(&_minor_idr, MINOR_ALLOCED, MINOR(disk_devt(dm_disk(md))));
 	set_bit(DMF_FREEING, &md->flags);
@@ -2852,14 +2851,14 @@
 	 * do not race with internal suspend.
 	 */
 	mutex_lock(&md->suspend_lock);
+	map = dm_get_live_table(md, &srcu_idx);
 	if (!dm_suspended_md(md)) {
 		dm_table_presuspend_targets(map);
 		dm_table_postsuspend_targets(map);
 	}
-	mutex_unlock(&md->suspend_lock);
-
 	/* dm_put_live_table must be before msleep, otherwise deadlock is possible */
 	dm_put_live_table(md, srcu_idx);
+	mutex_unlock(&md->suspend_lock);
 
 	/*
 	 * Rare, but there may be I/O requests still going to complete,
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4f5ecbe..c702de1 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5409,9 +5409,13 @@
 		 * which will now never happen */
 		wake_up_process(mddev->sync_thread->tsk);
 
+	if (mddev->external && test_bit(MD_CHANGE_PENDING, &mddev->flags))
+		return -EBUSY;
 	mddev_unlock(mddev);
 	wait_event(resync_wait, !test_bit(MD_RECOVERY_RUNNING,
 					  &mddev->recovery));
+	wait_event(mddev->sb_wait,
+		   !test_bit(MD_CHANGE_PENDING, &mddev->flags));
 	mddev_lock_nointr(mddev);
 
 	mutex_lock(&mddev->open_mutex);
@@ -8160,6 +8164,7 @@
 			md_reap_sync_thread(mddev);
 			clear_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
 			clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+			clear_bit(MD_CHANGE_PENDING, &mddev->flags);
 			goto unlock;
 		}
 
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index d222522..d132f06 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -470,8 +470,7 @@
 	return 0;
 
 out_free_conf:
-	if (conf->pool)
-		mempool_destroy(conf->pool);
+	mempool_destroy(conf->pool);
 	kfree(conf->multipaths);
 	kfree(conf);
 	mddev->private = NULL;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 63e619b..f8e5db0 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -376,12 +376,6 @@
 		struct md_rdev *rdev;
 		bool discard_supported = false;
 
-		rdev_for_each(rdev, mddev) {
-			disk_stack_limits(mddev->gendisk, rdev->bdev,
-					  rdev->data_offset << 9);
-			if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
-				discard_supported = true;
-		}
 		blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors);
 		blk_queue_max_write_same_sectors(mddev->queue, mddev->chunk_sectors);
 		blk_queue_max_discard_sectors(mddev->queue, mddev->chunk_sectors);
@@ -390,6 +384,12 @@
 		blk_queue_io_opt(mddev->queue,
 				 (mddev->chunk_sectors << 9) * mddev->raid_disks);
 
+		rdev_for_each(rdev, mddev) {
+			disk_stack_limits(mddev->gendisk, rdev->bdev,
+					  rdev->data_offset << 9);
+			if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
+				discard_supported = true;
+		}
 		if (!discard_supported)
 			queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
 		else
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4517f06..ddd8a5f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -881,8 +881,7 @@
 	}
 
 	if (bio && bio_data_dir(bio) == WRITE) {
-		if (bio->bi_iter.bi_sector >=
-		    conf->mddev->curr_resync_completed) {
+		if (bio->bi_iter.bi_sector >= conf->next_resync) {
 			if (conf->start_next_window == MaxSector)
 				conf->start_next_window =
 					conf->next_resync +
@@ -1516,7 +1515,7 @@
 	conf->r1buf_pool = NULL;
 
 	spin_lock_irq(&conf->resync_lock);
-	conf->next_resync = 0;
+	conf->next_resync = MaxSector - 2 * NEXT_NORMALIO_DISTANCE;
 	conf->start_next_window = MaxSector;
 	conf->current_window_requests +=
 		conf->next_window_requests;
@@ -2383,8 +2382,8 @@
 		}
 		spin_unlock_irqrestore(&conf->device_lock, flags);
 		while (!list_empty(&tmp)) {
-			r1_bio = list_first_entry(&conf->bio_end_io_list,
-						  struct r1bio, retry_list);
+			r1_bio = list_first_entry(&tmp, struct r1bio,
+						  retry_list);
 			list_del(&r1_bio->retry_list);
 			raid_end_bio_io(r1_bio);
 		}
@@ -2843,8 +2842,7 @@
 
  abort:
 	if (conf) {
-		if (conf->r1bio_pool)
-			mempool_destroy(conf->r1bio_pool);
+		mempool_destroy(conf->r1bio_pool);
 		kfree(conf->mirrors);
 		safe_put_page(conf->tmppage);
 		kfree(conf->poolinfo);
@@ -2946,8 +2944,7 @@
 {
 	struct r1conf *conf = priv;
 
-	if (conf->r1bio_pool)
-		mempool_destroy(conf->r1bio_pool);
+	mempool_destroy(conf->r1bio_pool);
 	kfree(conf->mirrors);
 	safe_put_page(conf->tmppage);
 	kfree(conf->poolinfo);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0fc33eb..9f69dc5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2688,8 +2688,8 @@
 		}
 		spin_unlock_irqrestore(&conf->device_lock, flags);
 		while (!list_empty(&tmp)) {
-			r10_bio = list_first_entry(&conf->bio_end_io_list,
-						  struct r10bio, retry_list);
+			r10_bio = list_first_entry(&tmp, struct r10bio,
+						   retry_list);
 			list_del(&r10_bio->retry_list);
 			raid_end_bio_io(r10_bio);
 		}
@@ -3486,8 +3486,7 @@
 		printk(KERN_ERR "md/raid10:%s: couldn't allocate memory.\n",
 		       mdname(mddev));
 	if (conf) {
-		if (conf->r10bio_pool)
-			mempool_destroy(conf->r10bio_pool);
+		mempool_destroy(conf->r10bio_pool);
 		kfree(conf->mirrors);
 		safe_put_page(conf->tmppage);
 		kfree(conf);
@@ -3682,8 +3681,7 @@
 
 out_free_conf:
 	md_unregister_thread(&mddev->thread);
-	if (conf->r10bio_pool)
-		mempool_destroy(conf->r10bio_pool);
+	mempool_destroy(conf->r10bio_pool);
 	safe_put_page(conf->tmppage);
 	kfree(conf->mirrors);
 	kfree(conf);
@@ -3696,8 +3694,7 @@
 {
 	struct r10conf *conf = priv;
 
-	if (conf->r10bio_pool)
-		mempool_destroy(conf->r10bio_pool);
+	mempool_destroy(conf->r10bio_pool);
 	safe_put_page(conf->tmppage);
 	kfree(conf->mirrors);
 	kfree(conf->mirrors_old);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 15ef2c6..49bb8d3 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2271,8 +2271,7 @@
 	       drop_one_stripe(conf))
 		;
 
-	if (conf->slab_cache)
-		kmem_cache_destroy(conf->slab_cache);
+	kmem_cache_destroy(conf->slab_cache);
 	conf->slab_cache = NULL;
 }
 
@@ -3150,6 +3149,8 @@
 			spin_unlock_irq(&sh->stripe_lock);
 			if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
 				wake_up(&conf->wait_for_overlap);
+			if (bi)
+				s->to_read--;
 			while (bi && bi->bi_iter.bi_sector <
 			       sh->dev[i].sector + STRIPE_SECTORS) {
 				struct bio *nextbi =
@@ -3169,6 +3170,8 @@
 		 */
 		clear_bit(R5_LOCKED, &sh->dev[i].flags);
 	}
+	s->to_write = 0;
+	s->written = 0;
 
 	if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state))
 		if (atomic_dec_and_test(&conf->pending_full_writes))
@@ -3300,7 +3303,7 @@
 		 */
 		return 0;
 
-	for (i = 0; i < s->failed; i++) {
+	for (i = 0; i < s->failed && i < 2; i++) {
 		if (fdev[i]->towrite &&
 		    !test_bit(R5_UPTODATE, &fdev[i]->flags) &&
 		    !test_bit(R5_OVERWRITE, &fdev[i]->flags))
@@ -3324,7 +3327,7 @@
 	    sh->sector < sh->raid_conf->mddev->recovery_cp)
 		/* reconstruct-write isn't being forced */
 		return 0;
-	for (i = 0; i < s->failed; i++) {
+	for (i = 0; i < s->failed && i < 2; i++) {
 		if (s->failed_num[i] != sh->pd_idx &&
 		    s->failed_num[i] != sh->qd_idx &&
 		    !test_bit(R5_UPTODATE, &fdev[i]->flags) &&
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 4b54128..a726f01 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -138,7 +138,7 @@
 	spin_unlock_irqrestore(&asic->lock, flags);
 }
 
-static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void asic3_irq_demux(struct irq_desc *desc)
 {
 	struct asic3 *asic = irq_desc_get_handler_data(desc);
 	struct irq_data *data = irq_desc_get_irq_data(desc);
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index a76eb6e..b279205 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -205,7 +205,7 @@
 	} while (gpio_get_value(pdata->gpio));
 }
 
-static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void pcap_irq_handler(struct irq_desc *desc)
 {
 	struct pcap_chip *pcap = irq_desc_get_handler_data(desc);
 
diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 9131cdc..6ccaf90 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -98,7 +98,7 @@
 	.irq_unmask	= egpio_unmask,
 };
 
-static void egpio_handler(unsigned int irq, struct irq_desc *desc)
+static void egpio_handler(struct irq_desc *desc)
 {
 	struct egpio_info *ei = irq_desc_get_handler_data(desc);
 	int irqpin;
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 5bb49f0..798e443 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -65,7 +65,7 @@
 	spinlock_t lock;
 };
 
-static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void jz4740_adc_irq_demux(struct irq_desc *desc)
 {
 	struct irq_chip_generic *gc = irq_desc_get_handler_data(desc);
 	uint8_t status;
diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index 59502d0..1b7ec08 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -156,7 +156,7 @@
 	return ret;
 }
 
-static void pm8xxx_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void pm8xxx_irq_handler(struct irq_desc *desc)
 {
 	struct pm_irq_chip *chip = irq_desc_get_handler_data(desc);
 	struct irq_chip *irq_chip = irq_desc_get_chip(desc);
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 16fc1ad..94bd89c 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -185,7 +185,7 @@
 /*--------------------------------------------------------------------------*/
 
 /* Handle the T7L66XB interrupt mux */
-static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc)
+static void t7l66xb_irq(struct irq_desc *desc)
 {
 	struct t7l66xb *t7l66xb = irq_desc_get_handler_data(desc);
 	unsigned int isr;
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 775b9ac..8c84a51 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -522,8 +522,7 @@
 
 /*--------------------------------------------------------------------------*/
 
-static void
-tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
+static void tc6393xb_irq(struct irq_desc *desc)
 {
 	struct tc6393xb *tc6393xb = irq_desc_get_handler_data(desc);
 	unsigned int isr;
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 9a23021..f691d7e 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -282,7 +282,7 @@
  * SIBCLK to talk to the chip.  We leave the clock running until
  * we have finished processing all interrupts from the chip.
  */
-static void ucb1x00_irq(unsigned int __irq, struct irq_desc *desc)
+static void ucb1x00_irq(struct irq_desc *desc)
 {
 	struct ucb1x00 *ucb = irq_desc_get_handler_data(desc);
 	unsigned int isr, i;
diff --git a/drivers/misc/cxl/Makefile b/drivers/misc/cxl/Makefile
index 6f484df..6982f60 100644
--- a/drivers/misc/cxl/Makefile
+++ b/drivers/misc/cxl/Makefile
@@ -1,4 +1,4 @@
-ccflags-y := -Werror
+ccflags-y := -Werror -Wno-unused-const-variable
 
 cxl-y				+= main.o file.o irq.o fault.o native.o
 cxl-y				+= context.o sysfs.o debugfs.o pci.o trace.o
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 02c8516..a5e9771 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -1249,8 +1249,6 @@
 	int slice;
 	int rc;
 
-	pci_dev_get(dev);
-
 	if (cxl_verbose)
 		dump_cxl_config_space(dev);
 
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 25868c2..02006f71 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -592,6 +592,8 @@
 
 	/* conditionally create the add the binary file for error info buffer */
 	if (afu->eb_len) {
+		sysfs_attr_init(&afu->attr_eb.attr);
+
 		afu->attr_eb.attr.name = "afu_err_buff";
 		afu->attr_eb.attr.mode = S_IRUGO;
 		afu->attr_eb.size = afu->eb_len;
diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index 6dd16a6..94b5208 100644
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -48,6 +48,12 @@
 
 	phb = pci_bus_to_host(dev->bus);
 	afu = (struct cxl_afu *)phb->private_data;
+
+	if (!cxl_adapter_link_ok(afu->adapter)) {
+		dev_warn(&dev->dev, "%s: Device link is down, refusing to enable AFU\n", __func__);
+		return false;
+	}
+
 	set_dma_ops(&dev->dev, &dma_direct_ops);
 	set_dma_offset(&dev->dev, PAGE_OFFSET);
 
diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c
index 4b469cf..8504dbe 100644
--- a/drivers/misc/mei/debugfs.c
+++ b/drivers/misc/mei/debugfs.c
@@ -204,6 +204,8 @@
 	if (!dir)
 		return -ENOMEM;
 
+	dev->dbgfs_dir = dir;
+
 	f = debugfs_create_file("meclients", S_IRUSR, dir,
 				dev, &mei_dbgfs_fops_meclients);
 	if (!f) {
@@ -228,7 +230,6 @@
 		dev_err(dev->dev, "allow_fixed_address: registration failed\n");
 		goto err;
 	}
-	dev->dbgfs_dir = dir;
 	return 0;
 err:
 	mei_dbgfs_deregister(dev);
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 8eec887..6d7c188 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -1209,7 +1209,7 @@
 		 * after the host receives the enum_resp
 		 * message clients may be added or removed
 		 */
-		if (dev->hbm_state <= MEI_HBM_ENUM_CLIENTS &&
+		if (dev->hbm_state <= MEI_HBM_ENUM_CLIENTS ||
 		    dev->hbm_state >= MEI_HBM_STOPPED) {
 			dev_err(dev->dev, "hbm: add client: state mismatch, [%d, %d]\n",
 				dev->dev_state, dev->hbm_state);
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 0520064..a3eb20b 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -134,9 +134,11 @@
 	int err = cmd->error;
 
 	/* Flag re-tuning needed on CRC errors */
-	if (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) ||
+	if ((cmd->opcode != MMC_SEND_TUNING_BLOCK &&
+	    cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200) &&
+	    (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) ||
 	    (mrq->data && mrq->data->error == -EILSEQ) ||
-	    (mrq->stop && mrq->stop->error == -EILSEQ))
+	    (mrq->stop && mrq->stop->error == -EILSEQ)))
 		mmc_retune_needed(host);
 
 	if (err && cmd->retries && mmc_host_is_spi(host)) {
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index abd933b..5466f25 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -457,7 +457,7 @@
 					   0, &cd_gpio_invert);
 		if (!ret)
 			dev_info(host->parent, "Got CD GPIO\n");
-		else if (ret != -ENOENT)
+		else if (ret != -ENOENT && ret != -ENOSYS)
 			return ret;
 
 		/*
@@ -481,7 +481,7 @@
 	ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &ro_gpio_invert);
 	if (!ret)
 		dev_info(host->parent, "Got WP GPIO\n");
-	else if (ret != -ENOENT)
+	else if (ret != -ENOENT && ret != -ENOSYS)
 		return ret;
 
 	if (of_property_read_bool(np, "disable-wp"))
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 781e4db..7fb0753 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -182,6 +182,7 @@
 	struct	clk		*fclk;
 	struct	clk		*dbclk;
 	struct	regulator	*pbias;
+	bool			pbias_enabled;
 	void	__iomem		*base;
 	int			vqmmc_enabled;
 	resource_size_t		mapbase;
@@ -328,20 +329,22 @@
 			return ret;
 		}
 
-		if (!regulator_is_enabled(host->pbias)) {
+		if (host->pbias_enabled == 0) {
 			ret = regulator_enable(host->pbias);
 			if (ret) {
 				dev_err(host->dev, "pbias reg enable fail\n");
 				return ret;
 			}
+			host->pbias_enabled = 1;
 		}
 	} else {
-		if (regulator_is_enabled(host->pbias)) {
+		if (host->pbias_enabled == 1) {
 			ret = regulator_disable(host->pbias);
 			if (ret) {
 				dev_err(host->dev, "pbias reg disable fail\n");
 				return ret;
 			}
+			host->pbias_enabled = 0;
 		}
 	}
 
@@ -475,7 +478,7 @@
 	mmc->supply.vmmc = devm_regulator_get_optional(host->dev, "vmmc");
 	if (IS_ERR(mmc->supply.vmmc)) {
 		ret = PTR_ERR(mmc->supply.vmmc);
-		if (ret != -ENODEV)
+		if ((ret != -ENODEV) && host->dev->of_node)
 			return ret;
 		dev_dbg(host->dev, "unable to get vmmc regulator %ld\n",
 			PTR_ERR(mmc->supply.vmmc));
@@ -490,7 +493,7 @@
 	mmc->supply.vqmmc = devm_regulator_get_optional(host->dev, "vmmc_aux");
 	if (IS_ERR(mmc->supply.vqmmc)) {
 		ret = PTR_ERR(mmc->supply.vqmmc);
-		if (ret != -ENODEV)
+		if ((ret != -ENODEV) && host->dev->of_node)
 			return ret;
 		dev_dbg(host->dev, "unable to get vmmc_aux regulator %ld\n",
 			PTR_ERR(mmc->supply.vqmmc));
@@ -500,7 +503,7 @@
 	host->pbias = devm_regulator_get_optional(host->dev, "pbias");
 	if (IS_ERR(host->pbias)) {
 		ret = PTR_ERR(host->pbias);
-		if (ret != -ENODEV)
+		if ((ret != -ENODEV) && host->dev->of_node)
 			return ret;
 		dev_dbg(host->dev, "unable to get pbias regulator %ld\n",
 			PTR_ERR(host->pbias));
@@ -2053,6 +2056,7 @@
 	host->base	= base + pdata->reg_offset;
 	host->power_mode = MMC_POWER_OFF;
 	host->next_data.cookie = 1;
+	host->pbias_enabled = 0;
 	host->vqmmc_enabled = 0;
 
 	ret = omap_hsmmc_gpio_init(mmc, host, pdata);
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 1420f29..8cadd74 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -28,6 +28,7 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/mmc/host.h>
+#include <linux/mmc/slot-gpio.h>
 #include <linux/io.h>
 #include <linux/regulator/consumer.h>
 #include <linux/gpio.h>
@@ -454,12 +455,8 @@
 {
 	struct pxamci_host *host = mmc_priv(mmc);
 
-	if (host->pdata && gpio_is_valid(host->pdata->gpio_card_ro)) {
-		if (host->pdata->gpio_card_ro_invert)
-			return !gpio_get_value(host->pdata->gpio_card_ro);
-		else
-			return gpio_get_value(host->pdata->gpio_card_ro);
-	}
+	if (host->pdata && gpio_is_valid(host->pdata->gpio_card_ro))
+		return mmc_gpio_get_ro(mmc);
 	if (host->pdata && host->pdata->get_ro)
 		return !!host->pdata->get_ro(mmc_dev(mmc));
 	/*
@@ -551,6 +548,7 @@
 
 static const struct mmc_host_ops pxamci_ops = {
 	.request		= pxamci_request,
+	.get_cd			= mmc_gpio_get_cd,
 	.get_ro			= pxamci_get_ro,
 	.set_ios		= pxamci_set_ios,
 	.enable_sdio_irq	= pxamci_enable_sdio_irq,
@@ -790,37 +788,31 @@
 		gpio_power = host->pdata->gpio_power;
 	}
 	if (gpio_is_valid(gpio_power)) {
-		ret = gpio_request(gpio_power, "mmc card power");
+		ret = devm_gpio_request(&pdev->dev, gpio_power,
+					"mmc card power");
 		if (ret) {
-			dev_err(&pdev->dev, "Failed requesting gpio_power %d\n", gpio_power);
+			dev_err(&pdev->dev, "Failed requesting gpio_power %d\n",
+				gpio_power);
 			goto out;
 		}
 		gpio_direction_output(gpio_power,
 				      host->pdata->gpio_power_invert);
 	}
-	if (gpio_is_valid(gpio_ro)) {
-		ret = gpio_request(gpio_ro, "mmc card read only");
-		if (ret) {
-			dev_err(&pdev->dev, "Failed requesting gpio_ro %d\n", gpio_ro);
-			goto err_gpio_ro;
-		}
-		gpio_direction_input(gpio_ro);
+	if (gpio_is_valid(gpio_ro))
+		ret = mmc_gpio_request_ro(mmc, gpio_ro);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed requesting gpio_ro %d\n", gpio_ro);
+		goto out;
+	} else {
+		mmc->caps |= host->pdata->gpio_card_ro_invert ?
+			MMC_CAP2_RO_ACTIVE_HIGH : 0;
 	}
-	if (gpio_is_valid(gpio_cd)) {
-		ret = gpio_request(gpio_cd, "mmc card detect");
-		if (ret) {
-			dev_err(&pdev->dev, "Failed requesting gpio_cd %d\n", gpio_cd);
-			goto err_gpio_cd;
-		}
-		gpio_direction_input(gpio_cd);
 
-		ret = request_irq(gpio_to_irq(gpio_cd), pxamci_detect_irq,
-				  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-				  "mmc card detect", mmc);
-		if (ret) {
-			dev_err(&pdev->dev, "failed to request card detect IRQ\n");
-			goto err_request_irq;
-		}
+	if (gpio_is_valid(gpio_cd))
+		ret = mmc_gpio_request_cd(mmc, gpio_cd, 0);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed requesting gpio_cd %d\n", gpio_cd);
+		goto out;
 	}
 
 	if (host->pdata && host->pdata->init)
@@ -835,13 +827,7 @@
 
 	return 0;
 
-err_request_irq:
-	gpio_free(gpio_cd);
-err_gpio_cd:
-	gpio_free(gpio_ro);
-err_gpio_ro:
-	gpio_free(gpio_power);
- out:
+out:
 	if (host) {
 		if (host->dma_chan_rx)
 			dma_release_channel(host->dma_chan_rx);
@@ -873,14 +859,6 @@
 			gpio_ro = host->pdata->gpio_card_ro;
 			gpio_power = host->pdata->gpio_power;
 		}
-		if (gpio_is_valid(gpio_cd)) {
-			free_irq(gpio_to_irq(gpio_cd), mmc);
-			gpio_free(gpio_cd);
-		}
-		if (gpio_is_valid(gpio_ro))
-			gpio_free(gpio_ro);
-		if (gpio_is_valid(gpio_power))
-			gpio_free(gpio_power);
 		if (host->vcc)
 			regulator_put(host->vcc);
 
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index d155664..a0f05de 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -43,6 +43,7 @@
 
 static const struct sdhci_pltfm_data soc_data_sama5d2 = {
 	.ops = &sdhci_at91_sama5d2_ops,
+	.quirks2 = SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST,
 };
 
 static const struct of_device_id sdhci_at91_dt_match[] = {
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index 946d37f..f5edf9d 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -135,6 +135,7 @@
 	struct sdhci_pxa *pxa = pltfm_host->priv;
 	struct resource *res;
 
+	host->quirks &= ~SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN;
 	host->quirks |= SDHCI_QUIRK_MISSING_CAPS;
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
 					   "conf-sdio3");
@@ -290,6 +291,9 @@
 		    uhs == MMC_TIMING_UHS_DDR50) {
 			reg_val &= ~SDIO3_CONF_CLK_INV;
 			reg_val |= SDIO3_CONF_SD_FB_CLK;
+		} else if (uhs == MMC_TIMING_MMC_HS) {
+			reg_val &= ~SDIO3_CONF_CLK_INV;
+			reg_val &= ~SDIO3_CONF_SD_FB_CLK;
 		} else {
 			reg_val |= SDIO3_CONF_CLK_INV;
 			reg_val &= ~SDIO3_CONF_SD_FB_CLK;
@@ -398,7 +402,7 @@
 	if (of_device_is_compatible(np, "marvell,armada-380-sdhci")) {
 		ret = armada_38x_quirks(pdev, host);
 		if (ret < 0)
-			goto err_clk_get;
+			goto err_mbus_win;
 		ret = mv_conf_mbus_windows(pdev, mv_mbus_dram_info());
 		if (ret < 0)
 			goto err_mbus_win;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 64b7fdb..fbc7efd 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1160,6 +1160,8 @@
 	host->mmc->actual_clock = 0;
 
 	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+	if (host->quirks2 & SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST)
+		mdelay(1);
 
 	if (clock == 0)
 		return;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 7c02ff4..9d4aa31 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -412,6 +412,11 @@
 #define SDHCI_QUIRK2_ACMD23_BROKEN			(1<<14)
 /* Broken Clock divider zero in controller */
 #define SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN		(1<<15)
+/*
+ * When internal clock is disabled, a delay is needed before modifying the
+ * SD clock frequency or enabling back the internal clock.
+ */
+#define SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST	(1<<16)
 
 	int irq;		/* Device IRQ */
 	void __iomem *ioaddr;	/* Mapped address */
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index a7b7a67..b981b85 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -210,6 +210,16 @@
 #define SDXC_IDMAC_DES0_CES	BIT(30) /* card error summary */
 #define SDXC_IDMAC_DES0_OWN	BIT(31) /* 1-idma owns it, 0-host owns it */
 
+#define SDXC_CLK_400K		0
+#define SDXC_CLK_25M		1
+#define SDXC_CLK_50M		2
+#define SDXC_CLK_50M_DDR	3
+
+struct sunxi_mmc_clk_delay {
+	u32 output;
+	u32 sample;
+};
+
 struct sunxi_idma_des {
 	u32	config;
 	u32	buf_size;
@@ -229,6 +239,7 @@
 	struct clk	*clk_mmc;
 	struct clk	*clk_sample;
 	struct clk	*clk_output;
+	const struct sunxi_mmc_clk_delay *clk_delays;
 
 	/* irq */
 	spinlock_t	lock;
@@ -654,25 +665,19 @@
 
 	/* determine delays */
 	if (rate <= 400000) {
-		oclk_dly = 180;
-		sclk_dly = 42;
+		oclk_dly = host->clk_delays[SDXC_CLK_400K].output;
+		sclk_dly = host->clk_delays[SDXC_CLK_400K].sample;
 	} else if (rate <= 25000000) {
-		oclk_dly = 180;
-		sclk_dly = 75;
+		oclk_dly = host->clk_delays[SDXC_CLK_25M].output;
+		sclk_dly = host->clk_delays[SDXC_CLK_25M].sample;
 	} else if (rate <= 50000000) {
 		if (ios->timing == MMC_TIMING_UHS_DDR50) {
-			oclk_dly = 60;
-			sclk_dly = 120;
+			oclk_dly = host->clk_delays[SDXC_CLK_50M_DDR].output;
+			sclk_dly = host->clk_delays[SDXC_CLK_50M_DDR].sample;
 		} else {
-			oclk_dly = 90;
-			sclk_dly = 150;
+			oclk_dly = host->clk_delays[SDXC_CLK_50M].output;
+			sclk_dly = host->clk_delays[SDXC_CLK_50M].sample;
 		}
-	} else if (rate <= 100000000) {
-		oclk_dly = 6;
-		sclk_dly = 24;
-	} else if (rate <= 200000000) {
-		oclk_dly = 3;
-		sclk_dly = 12;
 	} else {
 		return -EINVAL;
 	}
@@ -871,6 +876,7 @@
 static const struct of_device_id sunxi_mmc_of_match[] = {
 	{ .compatible = "allwinner,sun4i-a10-mmc", },
 	{ .compatible = "allwinner,sun5i-a13-mmc", },
+	{ .compatible = "allwinner,sun9i-a80-mmc", },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, sunxi_mmc_of_match);
@@ -884,6 +890,20 @@
 	.hw_reset	 = sunxi_mmc_hw_reset,
 };
 
+static const struct sunxi_mmc_clk_delay sunxi_mmc_clk_delays[] = {
+	[SDXC_CLK_400K]		= { .output = 180, .sample = 180 },
+	[SDXC_CLK_25M]		= { .output = 180, .sample =  75 },
+	[SDXC_CLK_50M]		= { .output =  90, .sample = 120 },
+	[SDXC_CLK_50M_DDR]	= { .output =  60, .sample = 120 },
+};
+
+static const struct sunxi_mmc_clk_delay sun9i_mmc_clk_delays[] = {
+	[SDXC_CLK_400K]		= { .output = 180, .sample = 180 },
+	[SDXC_CLK_25M]		= { .output = 180, .sample =  75 },
+	[SDXC_CLK_50M]		= { .output = 150, .sample = 120 },
+	[SDXC_CLK_50M_DDR]	= { .output =  90, .sample = 120 },
+};
+
 static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
 				      struct platform_device *pdev)
 {
@@ -895,6 +915,11 @@
 	else
 		host->idma_des_size_bits = 16;
 
+	if (of_device_is_compatible(np, "allwinner,sun9i-a80-mmc"))
+		host->clk_delays = sun9i_mmc_clk_delays;
+	else
+		host->clk_delays = sunxi_mmc_clk_delays;
+
 	ret = mmc_regulator_get_supply(host->mmc);
 	if (ret) {
 		if (ret != -EPROBE_DEFER)
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 2426db8..f04445b 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -879,7 +879,7 @@
 				      oob_chunk_size);
 
 		/* the last chunk */
-		memcpy16_toio(&s[oob_chunk_size * sparebuf_size],
+		memcpy16_toio(&s[i * sparebuf_size],
 			      &d[i * oob_chunk_size],
 			      host->used_oobsize - i * oob_chunk_size);
 	}
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index f97a58d..e7d333c 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -147,6 +147,10 @@
 #define NFC_ECC_MODE		GENMASK(15, 12)
 #define NFC_RANDOM_SEED		GENMASK(30, 16)
 
+/* NFC_USER_DATA helper macros */
+#define NFC_BUF_TO_USER_DATA(buf)	((buf)[0] | ((buf)[1] << 8) | \
+					((buf)[2] << 16) | ((buf)[3] << 24))
+
 #define NFC_DEFAULT_TIMEOUT_MS	1000
 
 #define NFC_SRAM_SIZE		1024
@@ -646,15 +650,9 @@
 		offset = layout->eccpos[i * ecc->bytes] - 4 + mtd->writesize;
 
 		/* Fill OOB data in */
-		if (oob_required) {
-			tmp = 0xffffffff;
-			memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, &tmp,
-				    4);
-		} else {
-			memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE,
-				    chip->oob_poi + offset - mtd->writesize,
-				    4);
-		}
+		writel(NFC_BUF_TO_USER_DATA(chip->oob_poi +
+					    layout->oobfree[i].offset),
+		       nfc->regs + NFC_REG_USER_DATA_BASE);
 
 		chip->cmdfunc(mtd, NAND_CMD_RNDIN, offset, -1);
 
@@ -784,14 +782,8 @@
 		offset += ecc->size;
 
 		/* Fill OOB data in */
-		if (oob_required) {
-			tmp = 0xffffffff;
-			memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, &tmp,
-				    4);
-		} else {
-			memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, oob,
-				    4);
-		}
+		writel(NFC_BUF_TO_USER_DATA(oob),
+		       nfc->regs + NFC_REG_USER_DATA_BASE);
 
 		tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ACCESS_DIR |
 		      (1 << 30);
@@ -1389,6 +1381,7 @@
 					node);
 		nand_release(&chip->mtd);
 		sunxi_nand_ecc_cleanup(&chip->nand.ecc);
+		list_del(&chip->node);
 	}
 }
 
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 5bbd1f0..1fc23e4 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -926,6 +926,11 @@
 		goto bad;
 	}
 
+	if (data_size > ubi->leb_size) {
+		ubi_err(ubi, "bad data_size");
+		goto bad;
+	}
+
 	if (vol_type == UBI_VID_STATIC) {
 		/*
 		 * Although from high-level point of view static volumes may
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 80bdd5b..d85c197 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -649,6 +649,7 @@
 		if (ubi->corr_peb_count)
 			ubi_err(ubi, "%d PEBs are corrupted and not used",
 				ubi->corr_peb_count);
+		return -ENOSPC;
 	}
 	ubi->rsvd_pebs += reserved_pebs;
 	ubi->avail_pebs -= reserved_pebs;
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 275d9fb..eb4489f9 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1601,6 +1601,7 @@
 		if (ubi->corr_peb_count)
 			ubi_err(ubi, "%d PEBs are corrupted and not used",
 				ubi->corr_peb_count);
+		err = -ENOSPC;
 		goto out_free;
 	}
 	ubi->avail_pebs -= reserved_pebs;
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 10f71c73..816d0e9 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -326,7 +326,7 @@
 	dev->type = ARPHRD_ARCNET;
 	dev->netdev_ops = &arcnet_netdev_ops;
 	dev->header_ops = &arcnet_header_ops;
-	dev->hard_header_len = sizeof(struct archdr);
+	dev->hard_header_len = sizeof(struct arc_hardware);
 	dev->mtu = choose_mtu();
 
 	dev->addr_len = ARCNET_ALEN;
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 6f13f72..1f7dd92 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2000,6 +2000,7 @@
 		 */
 		reg = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_PCS_CTRL);
 		if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) {
+			reg &= ~PORT_PCS_CTRL_UNFORCED;
 			reg |= PORT_PCS_CTRL_FORCE_LINK |
 				PORT_PCS_CTRL_LINK_UP |
 				PORT_PCS_CTRL_DUPLEX_FULL |
@@ -2050,6 +2051,8 @@
 				reg |= PORT_CONTROL_FRAME_ETHER_TYPE_DSA;
 			else
 				reg |= PORT_CONTROL_FRAME_MODE_DSA;
+			reg |= PORT_CONTROL_FORWARD_UNKNOWN |
+				PORT_CONTROL_FORWARD_UNKNOWN_MC;
 		}
 
 		if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index cfa3704..c4bb802 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -689,16 +689,24 @@
 			netdev_dbg(ndev, "No phy-handle found in DT\n");
 			return -ENODEV;
 		}
-		pdata->phy_dev = of_phy_find_device(phy_np);
-	}
 
-	phy_dev = pdata->phy_dev;
+		phy_dev = of_phy_connect(ndev, phy_np, &xgene_enet_adjust_link,
+					 0, pdata->phy_mode);
+		if (!phy_dev) {
+			netdev_err(ndev, "Could not connect to PHY\n");
+			return -ENODEV;
+		}
 
-	if (!phy_dev ||
-	    phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link,
-			       pdata->phy_mode)) {
-		netdev_err(ndev, "Could not connect to PHY\n");
-		return  -ENODEV;
+		pdata->phy_dev = phy_dev;
+	} else {
+		phy_dev = pdata->phy_dev;
+
+		if (!phy_dev ||
+		    phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link,
+				       pdata->phy_mode)) {
+			netdev_err(ndev, "Could not connect to PHY\n");
+			return  -ENODEV;
+		}
 	}
 
 	pdata->phy_speed = SPEED_UNKNOWN;
diff --git a/drivers/net/ethernet/arc/emac_arc.c b/drivers/net/ethernet/arc/emac_arc.c
index f9cb99b..ffd1805 100644
--- a/drivers/net/ethernet/arc/emac_arc.c
+++ b/drivers/net/ethernet/arc/emac_arc.c
@@ -78,6 +78,7 @@
 	{ .compatible = "snps,arc-emac" },
 	{ /* Sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, emac_arc_dt_ids);
 
 static struct platform_driver emac_arc_driver = {
 	.probe = emac_arc_probe,
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index b9a5a97..f1b5364 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2079,6 +2079,7 @@
 	{ .compatible = "brcm,systemport" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, bcm_sysport_of_match);
 
 static struct platform_driver bcm_sysport_driver = {
 	.probe	= bcm_sysport_probe,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index ba93663..b5e64b0 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1946,6 +1946,7 @@
 	u16 vlan_cnt;
 	u16 vlan_credit;
 	u16 vxlan_dst_port;
+	u8 vxlan_dst_port_count;
 	bool accept_any_vlan;
 };
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index e3da2bd..f1d62d5 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -3705,16 +3705,14 @@
 
 void bnx2x_update_mfw_dump(struct bnx2x *bp)
 {
-	struct timeval epoc;
 	u32 drv_ver;
 	u32 valid_dump;
 
 	if (!SHMEM2_HAS(bp, drv_info))
 		return;
 
-	/* Update Driver load time */
-	do_gettimeofday(&epoc);
-	SHMEM2_WR(bp, drv_info.epoc, epoc.tv_sec);
+	/* Update Driver load time, possibly broken in y2038 */
+	SHMEM2_WR(bp, drv_info.epoc, (u32)ktime_get_real_seconds());
 
 	drv_ver = bnx2x_update_mng_version_utility(DRV_MODULE_VERSION, true);
 	SHMEM2_WR(bp, drv_info.drv_ver, drv_ver);
@@ -10110,12 +10108,18 @@
 	if (!netif_running(bp->dev))
 		return;
 
-	if (bp->vxlan_dst_port || !IS_PF(bp)) {
+	if (bp->vxlan_dst_port_count && bp->vxlan_dst_port == port) {
+		bp->vxlan_dst_port_count++;
+		return;
+	}
+
+	if (bp->vxlan_dst_port_count || !IS_PF(bp)) {
 		DP(BNX2X_MSG_SP, "Vxlan destination port limit reached\n");
 		return;
 	}
 
 	bp->vxlan_dst_port = port;
+	bp->vxlan_dst_port_count = 1;
 	bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_ADD_VXLAN_PORT, 0);
 }
 
@@ -10130,10 +10134,14 @@
 
 static void __bnx2x_del_vxlan_port(struct bnx2x *bp, u16 port)
 {
-	if (!bp->vxlan_dst_port || bp->vxlan_dst_port != port || !IS_PF(bp)) {
+	if (!bp->vxlan_dst_port_count || bp->vxlan_dst_port != port ||
+	    !IS_PF(bp)) {
 		DP(BNX2X_MSG_SP, "Invalid vxlan port\n");
 		return;
 	}
+	bp->vxlan_dst_port--;
+	if (bp->vxlan_dst_port)
+		return;
 
 	if (netif_running(bp->dev)) {
 		bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_DEL_VXLAN_PORT, 0);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index c9bd7f1..ff702a7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -4319,8 +4319,16 @@
 
 	/* RSS keys */
 	if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) {
-		memcpy(&data->rss_key[0], &p->rss_key[0],
-		       sizeof(data->rss_key));
+		u8 *dst = (u8 *)(data->rss_key) + sizeof(data->rss_key);
+		const u8 *src = (const u8 *)p->rss_key;
+		int i;
+
+		/* Apparently, bnx2x reads this array in reverse order
+		 * We need to byte swap rss_key to comply with Toeplitz specs.
+		 */
+		for (i = 0; i < sizeof(data->rss_key); i++)
+			*--dst = *src++;
+
 		caps |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY;
 	}
 
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index fadbd00..3bc701e 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3155,6 +3155,7 @@
 	{ .compatible = "brcm,genet-v4", .data = (void *)GENET_V4 },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, bcmgenet_match);
 
 static int bcmgenet_probe(struct platform_device *pdev)
 {
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
index b7a0f78..9e59663 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
@@ -1543,7 +1543,7 @@
 }
 
 /* Flush FLI data fifo. */
-static u32
+static int
 bfa_flash_fifo_flush(void __iomem *pci_bar)
 {
 	u32 i;
@@ -1573,11 +1573,11 @@
 }
 
 /* Read flash status. */
-static u32
+static int
 bfa_flash_status_read(void __iomem *pci_bar)
 {
 	union bfa_flash_dev_status_reg	dev_status;
-	u32				status;
+	int				status;
 	u32			ret_status;
 	int				i;
 
@@ -1611,11 +1611,11 @@
 }
 
 /* Start flash read operation. */
-static u32
+static int
 bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len,
 		     char *buf)
 {
-	u32 status;
+	int status;
 
 	/* len must be mutiple of 4 and not exceeding fifo size */
 	if (len == 0 || len > BFA_FLASH_FIFO_SIZE || (len & 0x03) != 0)
@@ -1703,7 +1703,8 @@
 bfa_flash_raw_read(void __iomem *pci_bar, u32 offset, char *buf,
 		   u32 len)
 {
-	u32 n, status;
+	u32 n;
+	int status;
 	u32 off, l, s, residue, fifo_sz;
 
 	residue = len;
diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
index 5d0753c..04b0d16 100644
--- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
+++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
@@ -2400,6 +2400,7 @@
 		q0->rcb->id = 0;
 		q0->rx_packets = q0->rx_bytes = 0;
 		q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0;
+		q0->rxbuf_map_failed = 0;
 
 		bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
 			&dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]);
@@ -2428,6 +2429,7 @@
 					: rx_cfg->q1_buf_size;
 			q1->rx_packets = q1->rx_bytes = 0;
 			q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;
+			q1->rxbuf_map_failed = 0;
 
 			bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
 				&hqpt_mem[i], &hsqpt_mem[i],
diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h
index e0e797f..c438d03 100644
--- a/drivers/net/ethernet/brocade/bna/bna_types.h
+++ b/drivers/net/ethernet/brocade/bna/bna_types.h
@@ -587,6 +587,7 @@
 	u64		rx_bytes;
 	u64		rx_packets_with_error;
 	u64		rxbuf_alloc_failed;
+	u64		rxbuf_map_failed;
 };
 
 /* RxQ pair */
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index 506047c..21a0cfc 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -399,7 +399,13 @@
 		}
 
 		dma_addr = dma_map_page(&bnad->pcidev->dev, page, page_offset,
-				unmap_q->map_size, DMA_FROM_DEVICE);
+					unmap_q->map_size, DMA_FROM_DEVICE);
+		if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+			put_page(page);
+			BNAD_UPDATE_CTR(bnad, rxbuf_map_failed);
+			rcb->rxq->rxbuf_map_failed++;
+			goto finishing;
+		}
 
 		unmap->page = page;
 		unmap->page_offset = page_offset;
@@ -454,8 +460,15 @@
 			rcb->rxq->rxbuf_alloc_failed++;
 			goto finishing;
 		}
+
 		dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data,
 					  buff_sz, DMA_FROM_DEVICE);
+		if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+			dev_kfree_skb_any(skb);
+			BNAD_UPDATE_CTR(bnad, rxbuf_map_failed);
+			rcb->rxq->rxbuf_map_failed++;
+			goto finishing;
+		}
 
 		unmap->skb = skb;
 		dma_unmap_addr_set(&unmap->vector, dma_addr, dma_addr);
@@ -3025,6 +3038,11 @@
 	unmap = head_unmap;
 	dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data,
 				  len, DMA_TO_DEVICE);
+	if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+		dev_kfree_skb_any(skb);
+		BNAD_UPDATE_CTR(bnad, tx_skb_map_failed);
+		return NETDEV_TX_OK;
+	}
 	BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[0].host_addr);
 	txqent->vector[0].length = htons(len);
 	dma_unmap_addr_set(&unmap->vectors[0], dma_addr, dma_addr);
@@ -3056,6 +3074,15 @@
 
 		dma_addr = skb_frag_dma_map(&bnad->pcidev->dev, frag,
 					    0, size, DMA_TO_DEVICE);
+		if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+			/* Undo the changes starting at tcb->producer_index */
+			bnad_tx_buff_unmap(bnad, unmap_q, q_depth,
+					   tcb->producer_index);
+			dev_kfree_skb_any(skb);
+			BNAD_UPDATE_CTR(bnad, tx_skb_map_failed);
+			return NETDEV_TX_OK;
+		}
+
 		dma_unmap_len_set(&unmap->vectors[vect_id], dma_len, size);
 		BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);
 		txqent->vector[vect_id].length = htons(size);
diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h
index faedbf2..f4ed816 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.h
+++ b/drivers/net/ethernet/brocade/bna/bnad.h
@@ -175,6 +175,7 @@
 	u64		tx_skb_headlen_zero;
 	u64		tx_skb_frag_zero;
 	u64		tx_skb_len_mismatch;
+	u64		tx_skb_map_failed;
 
 	u64		hw_stats_updates;
 	u64		netif_rx_dropped;
@@ -189,6 +190,7 @@
 	u64		rx_unmap_q_alloc_failed;
 
 	u64		rxbuf_alloc_failed;
+	u64		rxbuf_map_failed;
 };
 
 /* Complete driver stats */
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
index 2bdfc5d..0e4fdc3 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
@@ -90,6 +90,7 @@
 	"tx_skb_headlen_zero",
 	"tx_skb_frag_zero",
 	"tx_skb_len_mismatch",
+	"tx_skb_map_failed",
 	"hw_stats_updates",
 	"netif_rx_dropped",
 
@@ -102,6 +103,7 @@
 	"tx_unmap_q_alloc_failed",
 	"rx_unmap_q_alloc_failed",
 	"rxbuf_alloc_failed",
+	"rxbuf_map_failed",
 
 	"mac_stats_clr_cnt",
 	"mac_frame_64",
@@ -807,6 +809,7 @@
 							rx_packets_with_error;
 					buf[bi++] = rcb->rxq->
 							rxbuf_alloc_failed;
+					buf[bi++] = rcb->rxq->rxbuf_map_failed;
 					buf[bi++] = rcb->producer_index;
 					buf[bi++] = rcb->consumer_index;
 				}
@@ -821,6 +824,7 @@
 							rx_packets_with_error;
 					buf[bi++] = rcb->rxq->
 							rxbuf_alloc_failed;
+					buf[bi++] = rcb->rxq->rxbuf_map_failed;
 					buf[bi++] = rcb->producer_index;
 					buf[bi++] = rcb->consumer_index;
 				}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
index 8353a6c..03ed00c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
@@ -157,6 +157,11 @@
 	CH_PCI_ID_TABLE_FENTRY(0x5090),	/* Custom T540-CR */
 	CH_PCI_ID_TABLE_FENTRY(0x5091),	/* Custom T522-CR */
 	CH_PCI_ID_TABLE_FENTRY(0x5092),	/* Custom T520-CR */
+	CH_PCI_ID_TABLE_FENTRY(0x5093),	/* Custom T580-LP-CR */
+	CH_PCI_ID_TABLE_FENTRY(0x5094),	/* Custom T540-CR */
+	CH_PCI_ID_TABLE_FENTRY(0x5095),	/* Custom T540-CR-SO */
+	CH_PCI_ID_TABLE_FENTRY(0x5096),	/* Custom T580-CR */
+	CH_PCI_ID_TABLE_FENTRY(0x5097),	/* Custom T520-KR */
 
 	/* T6 adapters:
 	 */
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 0a27805..8215409 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -582,6 +582,7 @@
 	u16 pvid;
 	__be16 vxlan_port;
 	int vxlan_port_count;
+	int vxlan_port_aliases;
 	struct phy_info phy;
 	u8 wol_cap;
 	bool wol_en;
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 12687bf..7bf51a1 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -5176,6 +5176,11 @@
 	if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter))
 		return;
 
+	if (adapter->vxlan_port == port && adapter->vxlan_port_count) {
+		adapter->vxlan_port_aliases++;
+		return;
+	}
+
 	if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) {
 		dev_info(dev,
 			 "Only one UDP port supported for VxLAN offloads\n");
@@ -5226,6 +5231,11 @@
 	if (adapter->vxlan_port != port)
 		goto done;
 
+	if (adapter->vxlan_port_aliases) {
+		adapter->vxlan_port_aliases--;
+		return;
+	}
+
 	be_disable_vxlan_offloads(adapter);
 
 	dev_info(&adapter->pdev->dev,
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 4b69d061..710715f 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -1710,8 +1710,10 @@
 	 * everything for us?  Resetting it takes the link down and requires
 	 * several seconds for it to come back.
 	 */
-	if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS)
+	if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS) {
+		put_device(&tbiphy->dev);
 		return;
+	}
 
 	/* Single clk mode, mii mode off(for serdes communication) */
 	phy_write(tbiphy, MII_TBICON, TBICON_CLK_SELECT);
@@ -1723,6 +1725,8 @@
 	phy_write(tbiphy, MII_BMCR,
 		  BMCR_ANENABLE | BMCR_ANRESTART | BMCR_FULLDPLX |
 		  BMCR_SPEED1000);
+
+	put_device(&tbiphy->dev);
 }
 
 static int __gfar_is_rx_idle(struct gfar_private *priv)
@@ -1970,8 +1974,7 @@
 		/* Install our interrupt handlers for Error,
 		 * Transmit, and Receive
 		 */
-		err = request_irq(gfar_irq(grp, ER)->irq, gfar_error,
-				  IRQF_NO_SUSPEND,
+		err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, 0,
 				  gfar_irq(grp, ER)->name, grp);
 		if (err < 0) {
 			netif_err(priv, intr, dev, "Can't get IRQ %d\n",
@@ -1979,6 +1982,8 @@
 
 			goto err_irq_fail;
 		}
+		enable_irq_wake(gfar_irq(grp, ER)->irq);
+
 		err = request_irq(gfar_irq(grp, TX)->irq, gfar_transmit, 0,
 				  gfar_irq(grp, TX)->name, grp);
 		if (err < 0) {
@@ -1994,14 +1999,14 @@
 			goto rx_irq_fail;
 		}
 	} else {
-		err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt,
-				  IRQF_NO_SUSPEND,
+		err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, 0,
 				  gfar_irq(grp, TX)->name, grp);
 		if (err < 0) {
 			netif_err(priv, intr, dev, "Can't get IRQ %d\n",
 				  gfar_irq(grp, TX)->irq);
 			goto err_irq_fail;
 		}
+		enable_irq_wake(gfar_irq(grp, TX)->irq);
 	}
 
 	return 0;
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 8e3cd77..664d0c2 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -557,6 +557,7 @@
 	{ .compatible = "fsl,etsec-ptp" },
 	{},
 };
+MODULE_DEVICE_TABLE(of, match_table);
 
 static struct platform_driver gianfar_ptp_driver = {
 	.driver = {
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 4dd40e0..650f788 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -1384,6 +1384,8 @@
 		value = phy_read(tbiphy, ENET_TBI_MII_CR);
 		value &= ~0x1000;	/* Turn off autonegotiation */
 		phy_write(tbiphy, ENET_TBI_MII_CR, value);
+
+		put_device(&tbiphy->dev);
 	}
 
 	init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
@@ -1702,8 +1704,10 @@
 	 * everything for us?  Resetting it takes the link down and requires
 	 * several seconds for it to come back.
 	 */
-	if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS)
+	if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) {
+		put_device(&tbiphy->dev);
 		return;
+	}
 
 	/* Single clk mode, mii mode off(for serdes communication) */
 	phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS);
@@ -1711,6 +1715,8 @@
 	phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
 
 	phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS);
+
+	put_device(&tbiphy->dev);
 }
 
 /* Configure the PHY for dev.
diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c
index cc2d8b4..253f8ed 100644
--- a/drivers/net/ethernet/hisilicon/hip04_eth.c
+++ b/drivers/net/ethernet/hisilicon/hip04_eth.c
@@ -816,7 +816,7 @@
 	struct net_device *ndev;
 	struct hip04_priv *priv;
 	struct resource *res;
-	unsigned int irq;
+	int irq;
 	int ret;
 
 	ndev = alloc_etherdev(sizeof(struct hip04_priv));
diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
index 28df374..ac02c67 100644
--- a/drivers/net/ethernet/ibm/emac/core.h
+++ b/drivers/net/ethernet/ibm/emac/core.h
@@ -460,8 +460,8 @@
 	u32 index;
 };
 
-#define EMAC_ETHTOOL_REGS_VER		0
-#define EMAC4_ETHTOOL_REGS_VER		1
-#define EMAC4SYNC_ETHTOOL_REGS_VER	2
+#define EMAC_ETHTOOL_REGS_VER		3
+#define EMAC4_ETHTOOL_REGS_VER		4
+#define EMAC4SYNC_ETHTOOL_REGS_VER	5
 
 #endif /* __IBM_NEWEMAC_CORE_H */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 3e0d200..62488a6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
@@ -946,6 +946,13 @@
 	/* take the lock before we start messing with the ring */
 	mutex_lock(&hw->aq.arq_mutex);
 
+	if (hw->aq.arq.count == 0) {
+		i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
+			   "AQRX: Admin queue not initialized.\n");
+		ret_code = I40E_ERR_QUEUE_EMPTY;
+		goto clean_arq_element_err;
+	}
+
 	/* set next_to_use to head */
 	ntu = (rd32(hw, hw->aq.arq.head) & I40E_PF_ARQH_ARQH_MASK);
 	if (ntu == ntc) {
@@ -1007,6 +1014,8 @@
 	/* Set pending if needed, unlock and return */
 	if (pending != NULL)
 		*pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc);
+
+clean_arq_element_err:
 	mutex_unlock(&hw->aq.arq_mutex);
 
 	if (i40e_is_nvm_update_op(&e->desc)) {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 851c1a1..2fdf978 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2672,7 +2672,8 @@
 		rx_ctx.lrxqthresh = 2;
 	rx_ctx.crcstrip = 1;
 	rx_ctx.l2tsel = 1;
-	rx_ctx.showiv = 1;
+	/* this controls whether VLAN is stripped from inner headers */
+	rx_ctx.showiv = 0;
 #ifdef I40E_FCOE
 	rx_ctx.fc_ena = (vsi->type == I40E_VSI_FCOE);
 #endif
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
index f08450b..929d471 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
@@ -887,6 +887,13 @@
 	/* take the lock before we start messing with the ring */
 	mutex_lock(&hw->aq.arq_mutex);
 
+	if (hw->aq.arq.count == 0) {
+		i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
+			   "AQRX: Admin queue not initialized.\n");
+		ret_code = I40E_ERR_QUEUE_EMPTY;
+		goto clean_arq_element_err;
+	}
+
 	/* set next_to_use to head */
 	ntu = (rd32(hw, hw->aq.arq.head) & I40E_VF_ARQH1_ARQH_MASK);
 	if (ntu == ntc) {
@@ -948,6 +955,8 @@
 	/* Set pending if needed, unlock and return */
 	if (pending != NULL)
 		*pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc);
+
+clean_arq_element_err:
 	mutex_unlock(&hw->aq.arq_mutex);
 
 	return ret_code;
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index fe2299a..514df76 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1479,6 +1479,7 @@
 		struct mvneta_rx_desc *rx_desc = mvneta_rxq_next_desc_get(rxq);
 		struct sk_buff *skb;
 		unsigned char *data;
+		dma_addr_t phys_addr;
 		u32 rx_status;
 		int rx_bytes, err;
 
@@ -1486,6 +1487,7 @@
 		rx_status = rx_desc->status;
 		rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE);
 		data = (unsigned char *)rx_desc->buf_cookie;
+		phys_addr = rx_desc->buf_phys_addr;
 
 		if (!mvneta_rxq_desc_is_first_last(rx_status) ||
 		    (rx_status & MVNETA_RXD_ERR_SUMMARY)) {
@@ -1534,7 +1536,7 @@
 		if (!skb)
 			goto err_drop_frame;
 
-		dma_unmap_single(dev->dev.parent, rx_desc->buf_phys_addr,
+		dma_unmap_single(dev->dev.parent, phys_addr,
 				 MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE);
 
 		rcvd_pkts++;
@@ -3173,6 +3175,8 @@
 		struct phy_device *phy = of_phy_find_device(dn);
 
 		mvneta_fixed_link_update(pp, phy);
+
+		put_device(&phy->dev);
 	}
 
 	return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 4402a1e..e7a5000 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -1047,13 +1047,15 @@
 
 	/* If we used up all the quota - we're probably not done yet... */
 	if (done == budget) {
-		int cpu_curr;
 		const struct cpumask *aff;
+		struct irq_data *idata;
+		int cpu_curr;
 
 		INC_PERF_COUNTER(priv->pstats.napi_quota);
 
 		cpu_curr = smp_processor_id();
-		aff = irq_desc_get_irq_data(cq->irq_desc)->affinity;
+		idata = irq_desc_get_irq_data(cq->irq_desc);
+		aff = irq_data_get_affinity_mask(idata);
 
 		if (likely(cpumask_test_cpu(cpu_curr, aff)))
 			return budget;
@@ -1268,8 +1270,6 @@
 		rss_context->hash_fn = MLX4_RSS_HASH_TOP;
 		memcpy(rss_context->rss_key, priv->rss_key,
 		       MLX4_EN_RSS_KEY_SIZE);
-		netdev_rss_key_fill(rss_context->rss_key,
-				    MLX4_EN_RSS_KEY_SIZE);
 	} else {
 		en_err(priv, "Unknown RSS hash function requested\n");
 		err = -EINVAL;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index bd9ea0d..1d4e2e0 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -1184,10 +1184,11 @@
 	if (prot == MLX4_PROT_ETH) {
 		/* manage the steering entry for promisc mode */
 		if (new_entry)
-			new_steering_entry(dev, port, steer, index, qp->qpn);
+			err = new_steering_entry(dev, port, steer,
+						 index, qp->qpn);
 		else
-			existing_steering_entry(dev, port, steer,
-						index, qp->qpn);
+			err = existing_steering_entry(dev, port, steer,
+						      index, qp->qpn);
 	}
 	if (err && link && index != -1) {
 		if (index < dev->caps.num_mgms)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index aa0d5ff..9335e5a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -200,25 +200,3 @@
 
 	return err;
 }
-
-int mlx5_core_query_special_context(struct mlx5_core_dev *dev, u32 *rsvd_lkey)
-{
-	struct mlx5_cmd_query_special_contexts_mbox_in in;
-	struct mlx5_cmd_query_special_contexts_mbox_out out;
-	int err;
-
-	memset(&in, 0, sizeof(in));
-	memset(&out, 0, sizeof(out));
-	in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
-	err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
-	if (err)
-		return err;
-
-	if (out.hdr.status)
-		err = mlx5_cmd_status_to_err(&out.hdr);
-
-	*rsvd_lkey = be32_to_cpu(out.resd_lkey);
-
-	return err;
-}
-EXPORT_SYMBOL(mlx5_core_query_special_context);
diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
index 66d4ab7..60f43ec 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851.c
@@ -1601,6 +1601,7 @@
 	{ .compatible = "micrel,ks8851" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, ks8851_match_table);
 
 static struct spi_driver ks8851_driver = {
 	.driver = {
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index becbb5f..a10c928 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -552,6 +552,7 @@
 	{ .compatible = "moxa,moxart-mac" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, moxart_mac_match);
 
 static struct platform_driver moxart_mac_driver = {
 	.probe	= moxart_mac_probe,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 06bcc73..d6696cf 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -536,6 +536,7 @@
 	u8 extend_lb_time;
 	u8 phys_port_id[ETH_ALEN];
 	u8 lb_mode;
+	u8 vxlan_port_count;
 	u16 vxlan_port;
 	struct device *hwmon_dev;
 	u32 post_mode;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 8b08b20..d448145 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -483,11 +483,17 @@
 	/* Adapter supports only one VXLAN port. Use very first port
 	 * for enabling offload
 	 */
-	if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
+	if (!qlcnic_encap_rx_offload(adapter))
 		return;
+	if (!ahw->vxlan_port_count) {
+		ahw->vxlan_port_count = 1;
+		ahw->vxlan_port = ntohs(port);
+		adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
+		return;
+	}
+	if (ahw->vxlan_port == ntohs(port))
+		ahw->vxlan_port_count++;
 
-	ahw->vxlan_port = ntohs(port);
-	adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
 }
 
 static void qlcnic_del_vxlan_port(struct net_device *netdev,
@@ -496,11 +502,13 @@
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 	struct qlcnic_hardware_context *ahw = adapter->ahw;
 
-	if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
+	if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
 	    (ahw->vxlan_port != ntohs(port)))
 		return;
 
-	adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
+	ahw->vxlan_port_count--;
+	if (!ahw->vxlan_port_count)
+		adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
 }
 
 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index d79e33b..686334f 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -157,6 +157,7 @@
 	NWayAdvert	= 0x66, /* MII ADVERTISE */
 	NWayLPAR	= 0x68, /* MII LPA */
 	NWayExpansion	= 0x6A, /* MII Expansion */
+	TxDmaOkLowDesc  = 0x82, /* Low 16 bit address of a Tx descriptor. */
 	Config5		= 0xD8,	/* Config5 */
 	TxPoll		= 0xD9,	/* Tell chip to check Tx descriptors for work */
 	RxMaxSize	= 0xDA, /* Max size of an Rx packet (8169 only) */
@@ -341,6 +342,7 @@
 	unsigned		tx_tail;
 	struct cp_desc		*tx_ring;
 	struct sk_buff		*tx_skb[CP_TX_RING_SIZE];
+	u32			tx_opts[CP_TX_RING_SIZE];
 
 	unsigned		rx_buf_sz;
 	unsigned		wol_enabled : 1; /* Is Wake-on-LAN enabled? */
@@ -665,7 +667,7 @@
 		BUG_ON(!skb);
 
 		dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr),
-				 le32_to_cpu(txd->opts1) & 0xffff,
+				 cp->tx_opts[tx_tail] & 0xffff,
 				 PCI_DMA_TODEVICE);
 
 		if (status & LastFrag) {
@@ -733,7 +735,7 @@
 {
 	struct cp_private *cp = netdev_priv(dev);
 	unsigned entry;
-	u32 eor, flags;
+	u32 eor, opts1;
 	unsigned long intr_flags;
 	__le32 opts2;
 	int mss = 0;
@@ -753,6 +755,21 @@
 	mss = skb_shinfo(skb)->gso_size;
 
 	opts2 = cpu_to_le32(cp_tx_vlan_tag(skb));
+	opts1 = DescOwn;
+	if (mss)
+		opts1 |= LargeSend | ((mss & MSSMask) << MSSShift);
+	else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		const struct iphdr *ip = ip_hdr(skb);
+		if (ip->protocol == IPPROTO_TCP)
+			opts1 |= IPCS | TCPCS;
+		else if (ip->protocol == IPPROTO_UDP)
+			opts1 |= IPCS | UDPCS;
+		else {
+			WARN_ONCE(1,
+				  "Net bug: asked to checksum invalid Legacy IP packet\n");
+			goto out_dma_error;
+		}
+	}
 
 	if (skb_shinfo(skb)->nr_frags == 0) {
 		struct cp_desc *txd = &cp->tx_ring[entry];
@@ -768,31 +785,20 @@
 		txd->addr = cpu_to_le64(mapping);
 		wmb();
 
-		flags = eor | len | DescOwn | FirstFrag | LastFrag;
+		opts1 |= eor | len | FirstFrag | LastFrag;
 
-		if (mss)
-			flags |= LargeSend | ((mss & MSSMask) << MSSShift);
-		else if (skb->ip_summed == CHECKSUM_PARTIAL) {
-			const struct iphdr *ip = ip_hdr(skb);
-			if (ip->protocol == IPPROTO_TCP)
-				flags |= IPCS | TCPCS;
-			else if (ip->protocol == IPPROTO_UDP)
-				flags |= IPCS | UDPCS;
-			else
-				WARN_ON(1);	/* we need a WARN() */
-		}
-
-		txd->opts1 = cpu_to_le32(flags);
+		txd->opts1 = cpu_to_le32(opts1);
 		wmb();
 
 		cp->tx_skb[entry] = skb;
-		entry = NEXT_TX(entry);
+		cp->tx_opts[entry] = opts1;
+		netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
+			  entry, skb->len);
 	} else {
 		struct cp_desc *txd;
-		u32 first_len, first_eor;
+		u32 first_len, first_eor, ctrl;
 		dma_addr_t first_mapping;
 		int frag, first_entry = entry;
-		const struct iphdr *ip = ip_hdr(skb);
 
 		/* We must give this initial chunk to the device last.
 		 * Otherwise we could race with the device.
@@ -805,14 +811,14 @@
 			goto out_dma_error;
 
 		cp->tx_skb[entry] = skb;
-		entry = NEXT_TX(entry);
 
 		for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
 			const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
 			u32 len;
-			u32 ctrl;
 			dma_addr_t mapping;
 
+			entry = NEXT_TX(entry);
+
 			len = skb_frag_size(this_frag);
 			mapping = dma_map_single(&cp->pdev->dev,
 						 skb_frag_address(this_frag),
@@ -824,19 +830,7 @@
 
 			eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
 
-			ctrl = eor | len | DescOwn;
-
-			if (mss)
-				ctrl |= LargeSend |
-					((mss & MSSMask) << MSSShift);
-			else if (skb->ip_summed == CHECKSUM_PARTIAL) {
-				if (ip->protocol == IPPROTO_TCP)
-					ctrl |= IPCS | TCPCS;
-				else if (ip->protocol == IPPROTO_UDP)
-					ctrl |= IPCS | UDPCS;
-				else
-					BUG();
-			}
+			ctrl = opts1 | eor | len;
 
 			if (frag == skb_shinfo(skb)->nr_frags - 1)
 				ctrl |= LastFrag;
@@ -849,8 +843,8 @@
 			txd->opts1 = cpu_to_le32(ctrl);
 			wmb();
 
+			cp->tx_opts[entry] = ctrl;
 			cp->tx_skb[entry] = skb;
-			entry = NEXT_TX(entry);
 		}
 
 		txd = &cp->tx_ring[first_entry];
@@ -858,27 +852,17 @@
 		txd->addr = cpu_to_le64(first_mapping);
 		wmb();
 
-		if (skb->ip_summed == CHECKSUM_PARTIAL) {
-			if (ip->protocol == IPPROTO_TCP)
-				txd->opts1 = cpu_to_le32(first_eor | first_len |
-							 FirstFrag | DescOwn |
-							 IPCS | TCPCS);
-			else if (ip->protocol == IPPROTO_UDP)
-				txd->opts1 = cpu_to_le32(first_eor | first_len |
-							 FirstFrag | DescOwn |
-							 IPCS | UDPCS);
-			else
-				BUG();
-		} else
-			txd->opts1 = cpu_to_le32(first_eor | first_len |
-						 FirstFrag | DescOwn);
+		ctrl = opts1 | first_eor | first_len | FirstFrag;
+		txd->opts1 = cpu_to_le32(ctrl);
 		wmb();
+
+		cp->tx_opts[first_entry] = ctrl;
+		netif_dbg(cp, tx_queued, cp->dev, "tx queued, slots %d-%d, skblen %d\n",
+			  first_entry, entry, skb->len);
 	}
-	cp->tx_head = entry;
+	cp->tx_head = NEXT_TX(entry);
 
 	netdev_sent_queue(dev, skb->len);
-	netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
-		  entry, skb->len);
 	if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1))
 		netif_stop_queue(dev);
 
@@ -1115,6 +1099,7 @@
 {
 	memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
 	cp->tx_ring[CP_TX_RING_SIZE - 1].opts1 = cpu_to_le32(RingEnd);
+	memset(cp->tx_opts, 0, sizeof(cp->tx_opts));
 
 	cp_init_rings_index(cp);
 
@@ -1151,7 +1136,7 @@
 			desc = cp->rx_ring + i;
 			dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr),
 					 cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
-			dev_kfree_skb(cp->rx_skb[i]);
+			dev_kfree_skb_any(cp->rx_skb[i]);
 		}
 	}
 
@@ -1164,7 +1149,7 @@
 					 le32_to_cpu(desc->opts1) & 0xffff,
 					 PCI_DMA_TODEVICE);
 			if (le32_to_cpu(desc->opts1) & LastFrag)
-				dev_kfree_skb(skb);
+				dev_kfree_skb_any(skb);
 			cp->dev->stats.tx_dropped++;
 		}
 	}
@@ -1172,6 +1157,7 @@
 
 	memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
 	memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
+	memset(cp->tx_opts, 0, sizeof(cp->tx_opts));
 
 	memset(cp->rx_skb, 0, sizeof(struct sk_buff *) * CP_RX_RING_SIZE);
 	memset(cp->tx_skb, 0, sizeof(struct sk_buff *) * CP_TX_RING_SIZE);
@@ -1249,7 +1235,7 @@
 {
 	struct cp_private *cp = netdev_priv(dev);
 	unsigned long flags;
-	int rc;
+	int rc, i;
 
 	netdev_warn(dev, "Transmit timeout, status %2x %4x %4x %4x\n",
 		    cpr8(Cmd), cpr16(CpCmd),
@@ -1257,13 +1243,26 @@
 
 	spin_lock_irqsave(&cp->lock, flags);
 
+	netif_dbg(cp, tx_err, cp->dev, "TX ring head %d tail %d desc %x\n",
+		  cp->tx_head, cp->tx_tail, cpr16(TxDmaOkLowDesc));
+	for (i = 0; i < CP_TX_RING_SIZE; i++) {
+		netif_dbg(cp, tx_err, cp->dev,
+			  "TX slot %d @%p: %08x (%08x) %08x %llx %p\n",
+			  i, &cp->tx_ring[i], le32_to_cpu(cp->tx_ring[i].opts1),
+			  cp->tx_opts[i], le32_to_cpu(cp->tx_ring[i].opts2),
+			  le64_to_cpu(cp->tx_ring[i].addr),
+			  cp->tx_skb[i]);
+	}
+
 	cp_stop_hw(cp);
 	cp_clean_rings(cp);
 	rc = cp_init_rings(cp);
 	cp_start_hw(cp);
-	cp_enable_irq(cp);
+	__cp_set_rx_mode(dev);
+	cpw16_f(IntrMask, cp_norx_intr_mask);
 
 	netif_wake_queue(dev);
+	napi_schedule_irqoff(&cp->napi);
 
 	spin_unlock_irqrestore(&cp->lock, flags);
 }
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 2b32e0c..b4f2123 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -6081,7 +6081,7 @@
 {
 	void __iomem *ioaddr = tp->mmio_addr;
 	struct pci_dev *pdev = tp->pci_dev;
-	u16 rg_saw_cnt;
+	int rg_saw_cnt;
 	u32 data;
 	static const struct ephy_info e_info_8168h_1[] = {
 		{ 0x1e, 0x0800,	0x0001 },
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index b735fa2..ebf6abc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -161,11 +161,16 @@
 
 		if (!gpio_request(reset_gpio, "mdio-reset")) {
 			gpio_direction_output(reset_gpio, active_low ? 1 : 0);
-			udelay(data->delays[0]);
+			if (data->delays[0])
+				msleep(DIV_ROUND_UP(data->delays[0], 1000));
+
 			gpio_set_value(reset_gpio, active_low ? 0 : 1);
-			udelay(data->delays[1]);
+			if (data->delays[1])
+				msleep(DIV_ROUND_UP(data->delays[1], 1000));
+
 			gpio_set_value(reset_gpio, active_low ? 1 : 0);
-			udelay(data->delays[2]);
+			if (data->delays[2])
+				msleep(DIV_ROUND_UP(data->delays[2], 1000));
 		}
 	}
 #endif
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 53fe200..cc106d8 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -1756,7 +1756,8 @@
 #endif
 };
 
-static struct vnet *vnet_new(const u64 *local_mac)
+static struct vnet *vnet_new(const u64 *local_mac,
+			     struct vio_dev *vdev)
 {
 	struct net_device *dev;
 	struct vnet *vp;
@@ -1790,6 +1791,8 @@
 			   NETIF_F_HW_CSUM | NETIF_F_SG;
 	dev->features = dev->hw_features;
 
+	SET_NETDEV_DEV(dev, &vdev->dev);
+
 	err = register_netdev(dev);
 	if (err) {
 		pr_err("Cannot register net device, aborting\n");
@@ -1808,7 +1811,8 @@
 	return ERR_PTR(err);
 }
 
-static struct vnet *vnet_find_or_create(const u64 *local_mac)
+static struct vnet *vnet_find_or_create(const u64 *local_mac,
+					struct vio_dev *vdev)
 {
 	struct vnet *iter, *vp;
 
@@ -1821,7 +1825,7 @@
 		}
 	}
 	if (!vp)
-		vp = vnet_new(local_mac);
+		vp = vnet_new(local_mac, vdev);
 	mutex_unlock(&vnet_list_mutex);
 
 	return vp;
@@ -1848,7 +1852,8 @@
 static const char *local_mac_prop = "local-mac-address";
 
 static struct vnet *vnet_find_parent(struct mdesc_handle *hp,
-						u64 port_node)
+				     u64 port_node,
+				     struct vio_dev *vdev)
 {
 	const u64 *local_mac = NULL;
 	u64 a;
@@ -1869,7 +1874,7 @@
 	if (!local_mac)
 		return ERR_PTR(-ENODEV);
 
-	return vnet_find_or_create(local_mac);
+	return vnet_find_or_create(local_mac, vdev);
 }
 
 static struct ldc_channel_config vnet_ldc_cfg = {
@@ -1923,7 +1928,7 @@
 
 	hp = mdesc_grab();
 
-	vp = vnet_find_parent(hp, vdev->mp);
+	vp = vnet_find_parent(hp, vdev->mp, vdev);
 	if (IS_ERR(vp)) {
 		pr_err("Cannot find port parent vnet\n");
 		err = PTR_ERR(vp);
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index 1a5aca5..9f9832f 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -291,13 +291,6 @@
 			    interface_list) {
 		struct netcp_intf_modpriv *intf_modpriv;
 
-		/* If interface not registered then register now */
-		if (!netcp_intf->netdev_registered)
-			ret = netcp_register_interface(netcp_intf);
-
-		if (ret)
-			return -ENODEV;
-
 		intf_modpriv = devm_kzalloc(dev, sizeof(*intf_modpriv),
 					    GFP_KERNEL);
 		if (!intf_modpriv)
@@ -306,6 +299,11 @@
 		interface = of_parse_phandle(netcp_intf->node_interface,
 					     module->name, 0);
 
+		if (!interface) {
+			devm_kfree(dev, intf_modpriv);
+			continue;
+		}
+
 		intf_modpriv->netcp_priv = netcp_intf;
 		intf_modpriv->netcp_module = module;
 		list_add_tail(&intf_modpriv->intf_list,
@@ -323,6 +321,18 @@
 			continue;
 		}
 	}
+
+	/* Now register the interface with netdev */
+	list_for_each_entry(netcp_intf,
+			    &netcp_device->interface_head,
+			    interface_list) {
+		/* If interface not registered then register now */
+		if (!netcp_intf->netdev_registered) {
+			ret = netcp_register_interface(netcp_intf);
+			if (ret)
+				return -ENODEV;
+		}
+	}
 	return 0;
 }
 
@@ -357,7 +367,6 @@
 		if (ret < 0)
 			goto fail;
 	}
-
 	mutex_unlock(&netcp_modules_lock);
 	return 0;
 
@@ -796,7 +805,7 @@
 	netcp->rx_pool = NULL;
 }
 
-static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq)
+static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq)
 {
 	struct knav_dma_desc *hwdesc;
 	unsigned int buf_len, dma_sz;
@@ -810,7 +819,7 @@
 	hwdesc = knav_pool_desc_get(netcp->rx_pool);
 	if (IS_ERR_OR_NULL(hwdesc)) {
 		dev_dbg(netcp->ndev_dev, "out of rx pool desc\n");
-		return;
+		return -ENOMEM;
 	}
 
 	if (likely(fdq == 0)) {
@@ -862,25 +871,26 @@
 	knav_pool_desc_map(netcp->rx_pool, hwdesc, sizeof(*hwdesc), &dma,
 			   &dma_sz);
 	knav_queue_push(netcp->rx_fdq[fdq], dma, sizeof(*hwdesc), 0);
-	return;
+	return 0;
 
 fail:
 	knav_pool_desc_put(netcp->rx_pool, hwdesc);
+	return -ENOMEM;
 }
 
 /* Refill Rx FDQ with descriptors & attached buffers */
 static void netcp_rxpool_refill(struct netcp_intf *netcp)
 {
 	u32 fdq_deficit[KNAV_DMA_FDQ_PER_CHAN] = {0};
-	int i;
+	int i, ret = 0;
 
 	/* Calculate the FDQ deficit and refill */
 	for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && netcp->rx_fdq[i]; i++) {
 		fdq_deficit[i] = netcp->rx_queue_depths[i] -
 				 knav_queue_get_count(netcp->rx_fdq[i]);
 
-		while (fdq_deficit[i]--)
-			netcp_allocate_rx_buf(netcp, i);
+		while (fdq_deficit[i]-- && !ret)
+			ret = netcp_allocate_rx_buf(netcp, i);
 	} /* end for fdqs */
 }
 
@@ -893,12 +903,12 @@
 
 	packets = netcp_process_rx_packets(netcp, budget);
 
+	netcp_rxpool_refill(netcp);
 	if (packets < budget) {
 		napi_complete(&netcp->rx_napi);
 		knav_queue_enable_notify(netcp->rx_queue);
 	}
 
-	netcp_rxpool_refill(netcp);
 	return packets;
 }
 
@@ -1384,7 +1394,6 @@
 			continue;
 		dev_dbg(netcp->ndev_dev, "deleting address %pM, type %x\n",
 			naddr->addr, naddr->type);
-		mutex_lock(&netcp_modules_lock);
 		for_each_module(netcp, priv) {
 			module = priv->netcp_module;
 			if (!module->del_addr)
@@ -1393,7 +1402,6 @@
 						 naddr);
 			WARN_ON(error);
 		}
-		mutex_unlock(&netcp_modules_lock);
 		netcp_addr_del(netcp, naddr);
 	}
 }
@@ -1410,7 +1418,7 @@
 			continue;
 		dev_dbg(netcp->ndev_dev, "adding address %pM, type %x\n",
 			naddr->addr, naddr->type);
-		mutex_lock(&netcp_modules_lock);
+
 		for_each_module(netcp, priv) {
 			module = priv->netcp_module;
 			if (!module->add_addr)
@@ -1418,7 +1426,6 @@
 			error = module->add_addr(priv->module_priv, naddr);
 			WARN_ON(error);
 		}
-		mutex_unlock(&netcp_modules_lock);
 	}
 }
 
@@ -1432,6 +1439,7 @@
 		   ndev->flags & IFF_ALLMULTI ||
 		   netdev_mc_count(ndev) > NETCP_MAX_MCAST_ADDR);
 
+	spin_lock(&netcp->lock);
 	/* first clear all marks */
 	netcp_addr_clear_mark(netcp);
 
@@ -1450,6 +1458,7 @@
 	/* finally sweep and callout into modules */
 	netcp_addr_sweep_del(netcp);
 	netcp_addr_sweep_add(netcp);
+	spin_unlock(&netcp->lock);
 }
 
 static void netcp_free_navigator_resources(struct netcp_intf *netcp)
@@ -1614,7 +1623,6 @@
 		goto fail;
 	}
 
-	mutex_lock(&netcp_modules_lock);
 	for_each_module(netcp, intf_modpriv) {
 		module = intf_modpriv->netcp_module;
 		if (module->open) {
@@ -1625,7 +1633,6 @@
 			}
 		}
 	}
-	mutex_unlock(&netcp_modules_lock);
 
 	napi_enable(&netcp->rx_napi);
 	napi_enable(&netcp->tx_napi);
@@ -1642,7 +1649,6 @@
 		if (module->close)
 			module->close(intf_modpriv->module_priv, ndev);
 	}
-	mutex_unlock(&netcp_modules_lock);
 
 fail:
 	netcp_free_navigator_resources(netcp);
@@ -1666,7 +1672,6 @@
 	napi_disable(&netcp->rx_napi);
 	napi_disable(&netcp->tx_napi);
 
-	mutex_lock(&netcp_modules_lock);
 	for_each_module(netcp, intf_modpriv) {
 		module = intf_modpriv->netcp_module;
 		if (module->close) {
@@ -1675,7 +1680,6 @@
 				dev_err(netcp->ndev_dev, "Close failed\n");
 		}
 	}
-	mutex_unlock(&netcp_modules_lock);
 
 	/* Recycle Rx descriptors from completion queue */
 	netcp_empty_rx_queue(netcp);
@@ -1703,7 +1707,6 @@
 	if (!netif_running(ndev))
 		return -EINVAL;
 
-	mutex_lock(&netcp_modules_lock);
 	for_each_module(netcp, intf_modpriv) {
 		module = intf_modpriv->netcp_module;
 		if (!module->ioctl)
@@ -1719,7 +1722,6 @@
 	}
 
 out:
-	mutex_unlock(&netcp_modules_lock);
 	return (ret == 0) ? 0 : err;
 }
 
@@ -1754,11 +1756,12 @@
 	struct netcp_intf *netcp = netdev_priv(ndev);
 	struct netcp_intf_modpriv *intf_modpriv;
 	struct netcp_module *module;
+	unsigned long flags;
 	int err = 0;
 
 	dev_dbg(netcp->ndev_dev, "adding rx vlan id: %d\n", vid);
 
-	mutex_lock(&netcp_modules_lock);
+	spin_lock_irqsave(&netcp->lock, flags);
 	for_each_module(netcp, intf_modpriv) {
 		module = intf_modpriv->netcp_module;
 		if ((module->add_vid) && (vid != 0)) {
@@ -1770,7 +1773,8 @@
 			}
 		}
 	}
-	mutex_unlock(&netcp_modules_lock);
+	spin_unlock_irqrestore(&netcp->lock, flags);
+
 	return err;
 }
 
@@ -1779,11 +1783,12 @@
 	struct netcp_intf *netcp = netdev_priv(ndev);
 	struct netcp_intf_modpriv *intf_modpriv;
 	struct netcp_module *module;
+	unsigned long flags;
 	int err = 0;
 
 	dev_dbg(netcp->ndev_dev, "removing rx vlan id: %d\n", vid);
 
-	mutex_lock(&netcp_modules_lock);
+	spin_lock_irqsave(&netcp->lock, flags);
 	for_each_module(netcp, intf_modpriv) {
 		module = intf_modpriv->netcp_module;
 		if (module->del_vid) {
@@ -1795,7 +1800,7 @@
 			}
 		}
 	}
-	mutex_unlock(&netcp_modules_lock);
+	spin_unlock_irqrestore(&netcp->lock, flags);
 	return err;
 }
 
@@ -2040,7 +2045,6 @@
 	struct device_node *child, *interfaces;
 	struct netcp_device *netcp_device;
 	struct device *dev = &pdev->dev;
-	struct netcp_module *module;
 	int ret;
 
 	if (!node) {
@@ -2087,14 +2091,6 @@
 	/* Add the device instance to the list */
 	list_add_tail(&netcp_device->device_list, &netcp_devices);
 
-	/* Probe & attach any modules already registered */
-	mutex_lock(&netcp_modules_lock);
-	for_each_netcp_module(module) {
-		ret = netcp_module_probe(netcp_device, module);
-		if (ret < 0)
-			dev_err(dev, "module(%s) probe failed\n", module->name);
-	}
-	mutex_unlock(&netcp_modules_lock);
 	return 0;
 
 probe_quit_interface:
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 6f16d6a..6bff8d8 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -77,6 +77,7 @@
 #define GBENU_ALE_OFFSET		0x1e000
 #define GBENU_HOST_PORT_NUM		0
 #define GBENU_NUM_ALE_ENTRIES		1024
+#define GBENU_SGMII_MODULE_SIZE		0x100
 
 /* 10G Ethernet SS defines */
 #define XGBE_MODULE_NAME		"netcp-xgbe"
@@ -149,8 +150,8 @@
 #define XGBE_STATS2_MODULE			2
 
 /* s: 0-based slave_port */
-#define SGMII_BASE(s) \
-	(((s) < 2) ? gbe_dev->sgmii_port_regs : gbe_dev->sgmii_port34_regs)
+#define SGMII_BASE(d, s) \
+	(((s) < 2) ? (d)->sgmii_port_regs : (d)->sgmii_port34_regs)
 
 #define GBE_TX_QUEUE				648
 #define	GBE_TXHOOK_ORDER			0
@@ -1997,13 +1998,8 @@
 		return;
 
 	if (!SLAVE_LINK_IS_XGMII(slave)) {
-		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
-			sgmii_link_state =
-				netcp_sgmii_get_port_link(SGMII_BASE(sp), sp);
-		else
-			sgmii_link_state =
-				netcp_sgmii_get_port_link(
-						gbe_dev->sgmii_port_regs, sp);
+		sgmii_link_state =
+			netcp_sgmii_get_port_link(SGMII_BASE(gbe_dev, sp), sp);
 	}
 
 	phy_link_state = gbe_phy_link_status(slave);
@@ -2100,17 +2096,11 @@
 static void gbe_sgmii_rtreset(struct gbe_priv *priv,
 			      struct gbe_slave *slave, bool set)
 {
-	void __iomem *sgmii_port_regs;
-
 	if (SLAVE_LINK_IS_XGMII(slave))
 		return;
 
-	if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2))
-		sgmii_port_regs = priv->sgmii_port34_regs;
-	else
-		sgmii_port_regs = priv->sgmii_port_regs;
-
-	netcp_sgmii_rtreset(sgmii_port_regs, slave->slave_num, set);
+	netcp_sgmii_rtreset(SGMII_BASE(priv, slave->slave_num),
+			    slave->slave_num, set);
 }
 
 static void gbe_slave_stop(struct gbe_intf *intf)
@@ -2136,17 +2126,12 @@
 
 static void gbe_sgmii_config(struct gbe_priv *priv, struct gbe_slave *slave)
 {
-	void __iomem *sgmii_port_regs;
+	if (SLAVE_LINK_IS_XGMII(slave))
+		return;
 
-	sgmii_port_regs = priv->sgmii_port_regs;
-	if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2))
-		sgmii_port_regs = priv->sgmii_port34_regs;
-
-	if (!SLAVE_LINK_IS_XGMII(slave)) {
-		netcp_sgmii_reset(sgmii_port_regs, slave->slave_num);
-		netcp_sgmii_config(sgmii_port_regs, slave->slave_num,
-				   slave->link_interface);
-	}
+	netcp_sgmii_reset(SGMII_BASE(priv, slave->slave_num), slave->slave_num);
+	netcp_sgmii_config(SGMII_BASE(priv, slave->slave_num), slave->slave_num,
+			   slave->link_interface);
 }
 
 static int gbe_slave_open(struct gbe_intf *gbe_intf)
@@ -2997,6 +2982,14 @@
 	gbe_dev->switch_regs = regs;
 
 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBENU_SGMII_MODULE_OFFSET;
+
+	/* Although sgmii modules are mem mapped to one contiguous
+	 * region on GBENU devices, setting sgmii_port34_regs allows
+	 * consistent code when accessing sgmii api
+	 */
+	gbe_dev->sgmii_port34_regs = gbe_dev->sgmii_port_regs +
+				     (2 * GBENU_SGMII_MODULE_SIZE);
+
 	gbe_dev->host_port_regs = gbe_dev->switch_regs + GBENU_HOST_PORT_OFFSET;
 
 	for (i = 0; i < (gbe_dev->max_num_ports); i++)
diff --git a/drivers/net/ethernet/via/Kconfig b/drivers/net/ethernet/via/Kconfig
index 2f1264b..d3d0947 100644
--- a/drivers/net/ethernet/via/Kconfig
+++ b/drivers/net/ethernet/via/Kconfig
@@ -17,7 +17,7 @@
 
 config VIA_RHINE
 	tristate "VIA Rhine support"
-	depends on (PCI || OF_IRQ)
+	depends on PCI || (OF_IRQ && GENERIC_PCI_IOMAP)
 	depends on HAS_DMA
 	select CRC32
 	select MII
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 6008eee..cf468c8 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -828,6 +828,8 @@
 		if (!phydev)
 			dev_info(dev,
 				 "MDIO of the phy is not registered yet\n");
+		else
+			put_device(&phydev->dev);
 		return 0;
 	}
 
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index b5f4a78..2d3848c9d 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -1011,11 +1011,11 @@
 					set_bit(epidx, &irq_bit);
 				break;
 			}
+
+			hw->ep_shm_info[epidx].es_status =
+				info[epidx].es_status;
+			hw->ep_shm_info[epidx].zone = info[epidx].zone;
 		}
-
-		hw->ep_shm_info[epidx].es_status = info[epidx].es_status;
-		hw->ep_shm_info[epidx].zone = info[epidx].zone;
-
 		break;
 	}
 
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index da3259c..8f5c02e 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -126,6 +126,8 @@
 	__be32 addr;
 	int err;
 
+	iph = ip_hdr(skb); /* outer IP header... */
+
 	if (gs->collect_md) {
 		static u8 zero_vni[3];
 
@@ -133,7 +135,6 @@
 		addr = 0;
 	} else {
 		vni = gnvh->vni;
-		iph = ip_hdr(skb); /* Still outer IP header... */
 		addr = iph->saddr;
 	}
 
@@ -178,7 +179,6 @@
 
 	skb_reset_network_header(skb);
 
-	iph = ip_hdr(skb); /* Now inner IP header... */
 	err = IP_ECN_decapsulate(iph, skb);
 
 	if (unlikely(err)) {
@@ -626,6 +626,7 @@
 	struct geneve_sock *gs = geneve->sock;
 	struct ip_tunnel_info *info = NULL;
 	struct rtable *rt = NULL;
+	const struct iphdr *iip; /* interior IP header */
 	struct flowi4 fl4;
 	__u8 tos, ttl;
 	__be16 sport;
@@ -653,6 +654,8 @@
 	sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
 	skb_reset_mac_header(skb);
 
+	iip = ip_hdr(skb);
+
 	if (info) {
 		const struct ip_tunnel_key *key = &info->key;
 		u8 *opts = NULL;
@@ -668,19 +671,16 @@
 		if (unlikely(err))
 			goto err;
 
-		tos = key->tos;
+		tos = ip_tunnel_ecn_encap(key->tos, iip, skb);
 		ttl = key->ttl;
 		df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
 	} else {
-		const struct iphdr *iip; /* interior IP header */
-
 		udp_csum = false;
 		err = geneve_build_skb(rt, skb, 0, geneve->vni,
 				       0, NULL, udp_csum);
 		if (unlikely(err))
 			goto err;
 
-		iip = ip_hdr(skb);
 		tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, iip, skb);
 		ttl = geneve->ttl;
 		if (!ttl && IN_MULTICAST(ntohl(fl4.daddr)))
@@ -748,12 +748,8 @@
 	dev->features    |= NETIF_F_RXCSUM;
 	dev->features    |= NETIF_F_GSO_SOFTWARE;
 
-	dev->vlan_features = dev->features;
-	dev->features    |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
-
 	dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
 	dev->hw_features |= NETIF_F_GSO_SOFTWARE;
-	dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
 
 	netif_keep_dst(dev);
 	dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE;
@@ -819,7 +815,7 @@
 
 static int geneve_configure(struct net *net, struct net_device *dev,
 			    __be32 rem_addr, __u32 vni, __u8 ttl, __u8 tos,
-			    __u16 dst_port, bool metadata)
+			    __be16 dst_port, bool metadata)
 {
 	struct geneve_net *gn = net_generic(net, geneve_net_id);
 	struct geneve_dev *t, *geneve = netdev_priv(dev);
@@ -844,10 +840,10 @@
 
 	geneve->ttl = ttl;
 	geneve->tos = tos;
-	geneve->dst_port = htons(dst_port);
+	geneve->dst_port = dst_port;
 	geneve->collect_md = metadata;
 
-	t = geneve_find_dev(gn, htons(dst_port), rem_addr, geneve->vni,
+	t = geneve_find_dev(gn, dst_port, rem_addr, geneve->vni,
 			    &tun_on_same_port, &tun_collect_md);
 	if (t)
 		return -EBUSY;
@@ -871,7 +867,7 @@
 static int geneve_newlink(struct net *net, struct net_device *dev,
 			  struct nlattr *tb[], struct nlattr *data[])
 {
-	__u16 dst_port = GENEVE_UDP_PORT;
+	__be16 dst_port = htons(GENEVE_UDP_PORT);
 	__u8 ttl = 0, tos = 0;
 	bool metadata = false;
 	__be32 rem_addr;
@@ -890,7 +886,7 @@
 		tos = nla_get_u8(data[IFLA_GENEVE_TOS]);
 
 	if (data[IFLA_GENEVE_PORT])
-		dst_port = nla_get_u16(data[IFLA_GENEVE_PORT]);
+		dst_port = nla_get_be16(data[IFLA_GENEVE_PORT]);
 
 	if (data[IFLA_GENEVE_COLLECT_METADATA])
 		metadata = true;
@@ -913,7 +909,7 @@
 		nla_total_size(sizeof(struct in_addr)) + /* IFLA_GENEVE_REMOTE */
 		nla_total_size(sizeof(__u8)) +  /* IFLA_GENEVE_TTL */
 		nla_total_size(sizeof(__u8)) +  /* IFLA_GENEVE_TOS */
-		nla_total_size(sizeof(__u16)) +  /* IFLA_GENEVE_PORT */
+		nla_total_size(sizeof(__be16)) +  /* IFLA_GENEVE_PORT */
 		nla_total_size(0) +	 /* IFLA_GENEVE_COLLECT_METADATA */
 		0;
 }
@@ -935,7 +931,7 @@
 	    nla_put_u8(skb, IFLA_GENEVE_TOS, geneve->tos))
 		goto nla_put_failure;
 
-	if (nla_put_u16(skb, IFLA_GENEVE_PORT, ntohs(geneve->dst_port)))
+	if (nla_put_be16(skb, IFLA_GENEVE_PORT, geneve->dst_port))
 		goto nla_put_failure;
 
 	if (geneve->collect_md) {
@@ -975,7 +971,7 @@
 	if (IS_ERR(dev))
 		return dev;
 
-	err = geneve_configure(net, dev, 0, 0, 0, 0, dst_port, true);
+	err = geneve_configure(net, dev, 0, 0, 0, 0, htons(dst_port), true);
 	if (err) {
 		free_netdev(dev);
 		return ERR_PTR(err);
diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c
index 58ae11a..64bb44d 100644
--- a/drivers/net/irda/ali-ircc.c
+++ b/drivers/net/irda/ali-ircc.c
@@ -1031,7 +1031,6 @@
 static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed)
 {
 	struct ali_ircc_cb *self = priv;
-	unsigned long flags;
 	int iobase; 
 	int fcr;    /* FIFO control reg */
 	int lcr;    /* Line control reg */
@@ -1061,8 +1060,6 @@
 	/* Update accounting for new speed */
 	self->io.speed = speed;
 
-	spin_lock_irqsave(&self->lock, flags);
-
 	divisor = 115200/speed;
 	
 	fcr = UART_FCR_ENABLE_FIFO;
@@ -1089,9 +1086,6 @@
 	/* without this, the connection will be broken after come back from FIR speed,
 	   but with this, the SIR connection is harder to established */
 	outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase+UART_MCR);
-	
-	spin_unlock_irqrestore(&self->lock, flags);
-	
 }
 
 static void ali_ircc_change_dongle_speed(struct ali_ircc_cb *priv, int speed)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index edd7734..248478c 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -1111,10 +1111,10 @@
 		return 0;
 
 	case TUNSETSNDBUF:
-		if (get_user(u, up))
+		if (get_user(s, sp))
 			return -EFAULT;
 
-		q->sk.sk_sndbuf = u;
+		q->sk.sk_sndbuf = s;
 		return 0;
 
 	case TUNGETVNETHDRSZ:
diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c
index fb1299c..e23bf5b 100644
--- a/drivers/net/phy/fixed_phy.c
+++ b/drivers/net/phy/fixed_phy.c
@@ -220,7 +220,7 @@
 	struct fixed_mdio_bus *fmb = &platform_fmb;
 	struct fixed_phy *fp;
 
-	if (!phydev || !phydev->bus)
+	if (!phydev || phydev->bus != fmb->mii_bus)
 		return -EINVAL;
 
 	list_for_each_entry(fp, &fmb->phys, node) {
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index e6897b6..5de8d58 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -785,6 +785,7 @@
 	int adv;
 	int err;
 	int lpa;
+	int lpagb;
 	int status = 0;
 
 	/* Update the link, but return if there
@@ -802,10 +803,17 @@
 		if (lpa < 0)
 			return lpa;
 
+		lpagb = phy_read(phydev, MII_STAT1000);
+		if (lpagb < 0)
+			return lpagb;
+
 		adv = phy_read(phydev, MII_ADVERTISE);
 		if (adv < 0)
 			return adv;
 
+		phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
+					 mii_lpa_to_ethtool_lpa_t(lpa);
+
 		lpa &= adv;
 
 		if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
@@ -853,6 +861,7 @@
 			phydev->speed = SPEED_10;
 
 		phydev->pause = phydev->asym_pause = 0;
+		phydev->lp_advertising = 0;
 	}
 
 	return 0;
diff --git a/drivers/net/phy/mdio-bcm-unimac.c b/drivers/net/phy/mdio-bcm-unimac.c
index 6a52a7f..4bde5e7 100644
--- a/drivers/net/phy/mdio-bcm-unimac.c
+++ b/drivers/net/phy/mdio-bcm-unimac.c
@@ -244,6 +244,7 @@
 	{ .compatible = "brcm,unimac-mdio", },
 	{ /* sentinel */ },
 };
+MODULE_DEVICE_TABLE(of, unimac_mdio_ids);
 
 static struct platform_driver unimac_mdio_driver = {
 	.driver = {
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 7dc21e5..3bc9f03 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -261,6 +261,7 @@
 	{ .compatible = "virtual,mdio-gpio", },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, mdio_gpio_of_match);
 
 static struct platform_driver mdio_gpio_driver = {
 	.probe = mdio_gpio_probe,
diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 4d4d25e..280c7c3 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -113,18 +113,18 @@
 	if (!parent_bus_node)
 		return -ENODEV;
 
-	parent_bus = of_mdio_find_bus(parent_bus_node);
-	if (parent_bus == NULL) {
-		ret_val = -EPROBE_DEFER;
-		goto err_parent_bus;
-	}
-
 	pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL);
 	if (pb == NULL) {
 		ret_val = -ENOMEM;
 		goto err_parent_bus;
 	}
 
+	parent_bus = of_mdio_find_bus(parent_bus_node);
+	if (parent_bus == NULL) {
+		ret_val = -EPROBE_DEFER;
+		goto err_parent_bus;
+	}
+
 	pb->switch_data = data;
 	pb->switch_fn = switch_fn;
 	pb->current_child = -1;
@@ -173,6 +173,10 @@
 		dev_info(dev, "Version " DRV_VERSION "\n");
 		return 0;
 	}
+
+	/* balance the reference of_mdio_find_bus() took */
+	put_device(&pb->mii_bus->dev);
+
 err_parent_bus:
 	of_node_put(parent_bus_node);
 	return ret_val;
@@ -189,6 +193,9 @@
 		mdiobus_free(cb->mii_bus);
 		cb = cb->next;
 	}
+
+	/* balance the reference of_mdio_find_bus() in mdio_mux_init() took */
+	put_device(&pb->mii_bus->dev);
 }
 EXPORT_SYMBOL_GPL(mdio_mux_uninit);
 
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 02a4615..12f44c5 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -167,7 +167,9 @@
  * of_mdio_find_bus - Given an mii_bus node, find the mii_bus.
  * @mdio_bus_np: Pointer to the mii_bus.
  *
- * Returns a pointer to the mii_bus, or NULL if none found.
+ * Returns a reference to the mii_bus, or NULL if none found.  The
+ * embedded struct device will have its reference count incremented,
+ * and this must be put once the bus is finished with.
  *
  * Because the association of a device_node and mii_bus is made via
  * of_mdiobus_register(), the mii_bus cannot be found before it is
@@ -234,15 +236,18 @@
 #endif
 
 /**
- * mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
+ * __mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
  * @bus: target mii_bus
+ * @owner: module containing bus accessor functions
  *
  * Description: Called by a bus driver to bring up all the PHYs
- *   on a given bus, and attach them to the bus.
+ *   on a given bus, and attach them to the bus. Drivers should use
+ *   mdiobus_register() rather than __mdiobus_register() unless they
+ *   need to pass a specific owner module.
  *
  * Returns 0 on success or < 0 on error.
  */
-int mdiobus_register(struct mii_bus *bus)
+int __mdiobus_register(struct mii_bus *bus, struct module *owner)
 {
 	int i, err;
 
@@ -253,6 +258,7 @@
 	BUG_ON(bus->state != MDIOBUS_ALLOCATED &&
 	       bus->state != MDIOBUS_UNREGISTERED);
 
+	bus->owner = owner;
 	bus->dev.parent = bus->parent;
 	bus->dev.class = &mdio_bus_class;
 	bus->dev.groups = NULL;
@@ -288,13 +294,16 @@
 
 error:
 	while (--i >= 0) {
-		if (bus->phy_map[i])
-			device_unregister(&bus->phy_map[i]->dev);
+		struct phy_device *phydev = bus->phy_map[i];
+		if (phydev) {
+			phy_device_remove(phydev);
+			phy_device_free(phydev);
+		}
 	}
 	device_del(&bus->dev);
 	return err;
 }
-EXPORT_SYMBOL(mdiobus_register);
+EXPORT_SYMBOL(__mdiobus_register);
 
 void mdiobus_unregister(struct mii_bus *bus)
 {
@@ -304,9 +313,11 @@
 	bus->state = MDIOBUS_UNREGISTERED;
 
 	for (i = 0; i < PHY_MAX_ADDR; i++) {
-		if (bus->phy_map[i])
-			device_unregister(&bus->phy_map[i]->dev);
-		bus->phy_map[i] = NULL;
+		struct phy_device *phydev = bus->phy_map[i];
+		if (phydev) {
+			phy_device_remove(phydev);
+			phy_device_free(phydev);
+		}
 	}
 	device_del(&bus->dev);
 }
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index c0f2111..f761288 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -384,6 +384,24 @@
 EXPORT_SYMBOL(phy_device_register);
 
 /**
+ * phy_device_remove - Remove a previously registered phy device from the MDIO bus
+ * @phydev: phy_device structure to remove
+ *
+ * This doesn't free the phy_device itself, it merely reverses the effects
+ * of phy_device_register(). Use phy_device_free() to free the device
+ * after calling this function.
+ */
+void phy_device_remove(struct phy_device *phydev)
+{
+	struct mii_bus *bus = phydev->bus;
+	int addr = phydev->addr;
+
+	device_del(&phydev->dev);
+	bus->phy_map[addr] = NULL;
+}
+EXPORT_SYMBOL(phy_device_remove);
+
+/**
  * phy_find_first - finds the first PHY device on the bus
  * @bus: the target MII bus
  */
@@ -578,14 +596,22 @@
  *     generic driver is used.  The phy_device is given a ptr to
  *     the attaching device, and given a callback for link status
  *     change.  The phy_device is returned to the attaching driver.
+ *     This function takes a reference on the phy device.
  */
 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
 		      u32 flags, phy_interface_t interface)
 {
+	struct mii_bus *bus = phydev->bus;
 	struct device *d = &phydev->dev;
-	struct module *bus_module;
 	int err;
 
+	if (!try_module_get(bus->owner)) {
+		dev_err(&dev->dev, "failed to get the bus module\n");
+		return -EIO;
+	}
+
+	get_device(d);
+
 	/* Assume that if there is no driver, that it doesn't
 	 * exist, and we should use the genphy driver.
 	 */
@@ -600,20 +626,13 @@
 			err = device_bind_driver(d);
 
 		if (err)
-			return err;
+			goto error;
 	}
 
 	if (phydev->attached_dev) {
 		dev_err(&dev->dev, "PHY already attached\n");
-		return -EBUSY;
-	}
-
-	/* Increment the bus module reference count */
-	bus_module = phydev->bus->dev.driver ?
-		     phydev->bus->dev.driver->owner : NULL;
-	if (!try_module_get(bus_module)) {
-		dev_err(&dev->dev, "failed to get the bus module\n");
-		return -EIO;
+		err = -EBUSY;
+		goto error;
 	}
 
 	phydev->attached_dev = dev;
@@ -636,6 +655,11 @@
 		phy_resume(phydev);
 
 	return err;
+
+error:
+	put_device(d);
+	module_put(bus->owner);
+	return err;
 }
 EXPORT_SYMBOL(phy_attach_direct);
 
@@ -677,14 +701,15 @@
 /**
  * phy_detach - detach a PHY device from its network device
  * @phydev: target phy_device struct
+ *
+ * This detaches the phy device from its network device and the phy
+ * driver, and drops the reference count taken in phy_attach_direct().
  */
 void phy_detach(struct phy_device *phydev)
 {
+	struct mii_bus *bus;
 	int i;
 
-	if (phydev->bus->dev.driver)
-		module_put(phydev->bus->dev.driver->owner);
-
 	phydev->attached_dev->phydev = NULL;
 	phydev->attached_dev = NULL;
 	phy_suspend(phydev);
@@ -700,6 +725,15 @@
 			break;
 		}
 	}
+
+	/*
+	 * The phydev might go away on the put_device() below, so avoid
+	 * a use-after-free bug by reading the underlying bus first.
+	 */
+	bus = phydev->bus;
+
+	put_device(&phydev->dev);
+	module_put(bus->owner);
 }
 EXPORT_SYMBOL(phy_detach);
 
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 17cad18..76cad71 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -66,7 +66,6 @@
 #define PHY_ID_VSC8244			0x000fc6c0
 #define PHY_ID_VSC8514			0x00070670
 #define PHY_ID_VSC8574			0x000704a0
-#define PHY_ID_VSC8641			0x00070431
 #define PHY_ID_VSC8662			0x00070660
 #define PHY_ID_VSC8221			0x000fc550
 #define PHY_ID_VSC8211			0x000fc4b0
@@ -273,18 +272,6 @@
 	.config_intr    = &vsc82xx_config_intr,
 	.driver         = { .owner = THIS_MODULE,},
 }, {
-	.phy_id         = PHY_ID_VSC8641,
-	.name           = "Vitesse VSC8641",
-	.phy_id_mask    = 0x000ffff0,
-	.features       = PHY_GBIT_FEATURES,
-	.flags          = PHY_HAS_INTERRUPT,
-	.config_init    = &vsc824x_config_init,
-	.config_aneg    = &vsc82x4_config_aneg,
-	.read_status    = &genphy_read_status,
-	.ack_interrupt  = &vsc824x_ack_interrupt,
-	.config_intr    = &vsc82xx_config_intr,
-	.driver         = { .owner = THIS_MODULE,},
-}, {
 	.phy_id         = PHY_ID_VSC8662,
 	.name           = "Vitesse VSC8662",
 	.phy_id_mask    = 0x000ffff0,
@@ -331,7 +318,6 @@
 	{ PHY_ID_VSC8244, 0x000fffc0 },
 	{ PHY_ID_VSC8514, 0x000ffff0 },
 	{ PHY_ID_VSC8574, 0x000ffff0 },
-	{ PHY_ID_VSC8641, 0x000ffff0 },
 	{ PHY_ID_VSC8662, 0x000ffff0 },
 	{ PHY_ID_VSC8221, 0x000ffff0 },
 	{ PHY_ID_VSC8211, 0x000ffff0 },
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 0481daf..ed00446 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2755,6 +2755,7 @@
 	 */
 	dev_net_set(dev, net);
 
+	rtnl_lock();
 	mutex_lock(&pn->all_ppp_mutex);
 
 	if (unit < 0) {
@@ -2785,7 +2786,7 @@
 	ppp->file.index = unit;
 	sprintf(dev->name, "ppp%d", unit);
 
-	ret = register_netdev(dev);
+	ret = register_netdevice(dev);
 	if (ret != 0) {
 		unit_put(&pn->units_idr, unit);
 		netdev_err(ppp->dev, "PPP: couldn't register device %s (%d)\n",
@@ -2797,6 +2798,7 @@
 
 	atomic_inc(&ppp_unit_count);
 	mutex_unlock(&pn->all_ppp_mutex);
+	rtnl_unlock();
 
 	*retp = 0;
 	return ppp;
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 1610b79..fbb9325 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -583,4 +583,15 @@
 
 	  http://ubuntuforums.org/showpost.php?p=10589647&postcount=17
 
+config USB_NET_CH9200
+	tristate "QingHeng CH9200 USB ethernet support"
+	depends on USB_USBNET
+	select MII
+	help
+	  Choose this option if you have a USB ethernet adapter with a QinHeng
+	  CH9200 chipset.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ch9200.
+
 endif # USB_NET_DRIVERS
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index cf6a0e6..b5f0406 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -38,4 +38,4 @@
 obj-$(CONFIG_USB_VL600)		+= lg-vl600.o
 obj-$(CONFIG_USB_NET_QMI_WWAN)	+= qmi_wwan.o
 obj-$(CONFIG_USB_NET_CDC_MBIM)	+= cdc_mbim.o
-
+obj-$(CONFIG_USB_NET_CH9200)	+= ch9200.o
diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c
new file mode 100644
index 0000000..5e151e6
--- /dev/null
+++ b/drivers/net/usb/ch9200.c
@@ -0,0 +1,432 @@
+/*
+ * USB 10M/100M ethernet adapter
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/stddef.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/slab.h>
+
+#define CH9200_VID		0x1A86
+#define CH9200_PID_E092		0xE092
+
+#define CTRL_TIMEOUT_MS		1000
+
+#define CONTROL_TIMEOUT_MS 1000
+
+#define REQUEST_READ	0x0E
+#define REQUEST_WRITE	0x0F
+
+/* Address space:
+ * 00-63 : MII
+ * 64-128: MAC
+ *
+ * Note: all accesses must be 16-bit
+ */
+
+#define MAC_REG_CTRL 64
+#define MAC_REG_STATUS 66
+#define MAC_REG_INTERRUPT_MASK 68
+#define MAC_REG_PHY_COMMAND 70
+#define MAC_REG_PHY_DATA 72
+#define MAC_REG_STATION_L 74
+#define MAC_REG_STATION_M 76
+#define MAC_REG_STATION_H 78
+#define MAC_REG_HASH_L 80
+#define MAC_REG_HASH_M1 82
+#define MAC_REG_HASH_M2 84
+#define MAC_REG_HASH_H 86
+#define MAC_REG_THRESHOLD 88
+#define MAC_REG_FIFO_DEPTH 90
+#define MAC_REG_PAUSE 92
+#define MAC_REG_FLOW_CONTROL 94
+
+/* Control register bits
+ *
+ * Note: bits 13 and 15 are reserved
+ */
+#define LOOPBACK		(0x01 << 14)
+#define BASE100X		(0x01 << 12)
+#define MBPS_10			(0x01 << 11)
+#define DUPLEX_MODE		(0x01 << 10)
+#define PAUSE_FRAME		(0x01 << 9)
+#define PROMISCUOUS		(0x01 << 8)
+#define MULTICAST		(0x01 << 7)
+#define BROADCAST		(0x01 << 6)
+#define HASH			(0x01 << 5)
+#define APPEND_PAD		(0x01 << 4)
+#define APPEND_CRC		(0x01 << 3)
+#define TRANSMITTER_ACTION	(0x01 << 2)
+#define RECEIVER_ACTION		(0x01 << 1)
+#define DMA_ACTION		(0x01 << 0)
+
+/* Status register bits
+ *
+ * Note: bits 7-15 are reserved
+ */
+#define ALIGNMENT		(0x01 << 6)
+#define FIFO_OVER_RUN		(0x01 << 5)
+#define FIFO_UNDER_RUN		(0x01 << 4)
+#define RX_ERROR		(0x01 << 3)
+#define RX_COMPLETE		(0x01 << 2)
+#define TX_ERROR		(0x01 << 1)
+#define TX_COMPLETE		(0x01 << 0)
+
+/* FIFO depth register bits
+ *
+ * Note: bits 6 and 14 are reserved
+ */
+
+#define ETH_TXBD		(0x01 << 15)
+#define ETN_TX_FIFO_DEPTH	(0x01 << 8)
+#define ETH_RXBD		(0x01 << 7)
+#define ETH_RX_FIFO_DEPTH	(0x01 << 0)
+
+static int control_read(struct usbnet *dev,
+			unsigned char request, unsigned short value,
+			unsigned short index, void *data, unsigned short size,
+			int timeout)
+{
+	unsigned char *buf = NULL;
+	unsigned char request_type;
+	int err = 0;
+
+	if (request == REQUEST_READ)
+		request_type = (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER);
+	else
+		request_type = (USB_DIR_IN | USB_TYPE_VENDOR |
+				USB_RECIP_DEVICE);
+
+	netdev_dbg(dev->net, "Control_read() index=0x%02x size=%d\n",
+		   index, size);
+
+	buf = kmalloc(size, GFP_KERNEL);
+	if (!buf) {
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	err = usb_control_msg(dev->udev,
+			      usb_rcvctrlpipe(dev->udev, 0),
+			      request, request_type, value, index, buf, size,
+			      timeout);
+	if (err == size)
+		memcpy(data, buf, size);
+	else if (err >= 0)
+		err = -EINVAL;
+	kfree(buf);
+
+	return err;
+
+err_out:
+	return err;
+}
+
+static int control_write(struct usbnet *dev, unsigned char request,
+			 unsigned short value, unsigned short index,
+			 void *data, unsigned short size, int timeout)
+{
+	unsigned char *buf = NULL;
+	unsigned char request_type;
+	int err = 0;
+
+	if (request == REQUEST_WRITE)
+		request_type = (USB_DIR_OUT | USB_TYPE_VENDOR |
+				USB_RECIP_OTHER);
+	else
+		request_type = (USB_DIR_OUT | USB_TYPE_VENDOR |
+				USB_RECIP_DEVICE);
+
+	netdev_dbg(dev->net, "Control_write() index=0x%02x size=%d\n",
+		   index, size);
+
+	if (data) {
+		buf = kmalloc(size, GFP_KERNEL);
+		if (!buf) {
+			err = -ENOMEM;
+			goto err_out;
+		}
+		memcpy(buf, data, size);
+	}
+
+	err = usb_control_msg(dev->udev,
+			      usb_sndctrlpipe(dev->udev, 0),
+			      request, request_type, value, index, buf, size,
+			      timeout);
+	if (err >= 0 && err < size)
+		err = -EINVAL;
+	kfree(buf);
+
+	return 0;
+
+err_out:
+	return err;
+}
+
+static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	unsigned char buff[2];
+
+	netdev_dbg(netdev, "ch9200_mdio_read phy_id:%02x loc:%02x\n",
+		   phy_id, loc);
+
+	if (phy_id != 0)
+		return -ENODEV;
+
+	control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
+		     CONTROL_TIMEOUT_MS);
+
+	return (buff[0] | buff[1] << 8);
+}
+
+static void ch9200_mdio_write(struct net_device *netdev,
+			      int phy_id, int loc, int val)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	unsigned char buff[2];
+
+	netdev_dbg(netdev, "ch9200_mdio_write() phy_id=%02x loc:%02x\n",
+		   phy_id, loc);
+
+	if (phy_id != 0)
+		return;
+
+	buff[0] = (unsigned char)val;
+	buff[1] = (unsigned char)(val >> 8);
+
+	control_write(dev, REQUEST_WRITE, 0, loc * 2, buff, 0x02,
+		      CONTROL_TIMEOUT_MS);
+}
+
+static int ch9200_link_reset(struct usbnet *dev)
+{
+	struct ethtool_cmd ecmd;
+
+	mii_check_media(&dev->mii, 1, 1);
+	mii_ethtool_gset(&dev->mii, &ecmd);
+
+	netdev_dbg(dev->net, "link_reset() speed:%d duplex:%d\n",
+		   ecmd.speed, ecmd.duplex);
+
+	return 0;
+}
+
+static void ch9200_status(struct usbnet *dev, struct urb *urb)
+{
+	int link;
+	unsigned char *buf;
+
+	if (urb->actual_length < 16)
+		return;
+
+	buf = urb->transfer_buffer;
+	link = !!(buf[0] & 0x01);
+
+	if (link) {
+		netif_carrier_on(dev->net);
+		usbnet_defer_kevent(dev, EVENT_LINK_RESET);
+	} else {
+		netif_carrier_off(dev->net);
+	}
+}
+
+static struct sk_buff *ch9200_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+				       gfp_t flags)
+{
+	int i = 0;
+	int len = 0;
+	int tx_overhead = 0;
+
+	tx_overhead = 0x40;
+
+	len = skb->len;
+	if (skb_headroom(skb) < tx_overhead) {
+		struct sk_buff *skb2;
+
+		skb2 = skb_copy_expand(skb, tx_overhead, 0, flags);
+		dev_kfree_skb_any(skb);
+		skb = skb2;
+		if (!skb)
+			return NULL;
+	}
+
+	__skb_push(skb, tx_overhead);
+	/* usbnet adds padding if length is a multiple of packet size
+	 * if so, adjust length value in header
+	 */
+	if ((skb->len % dev->maxpacket) == 0)
+		len++;
+
+	skb->data[0] = len;
+	skb->data[1] = len >> 8;
+	skb->data[2] = 0x00;
+	skb->data[3] = 0x80;
+
+	for (i = 4; i < 48; i++)
+		skb->data[i] = 0x00;
+
+	skb->data[48] = len;
+	skb->data[49] = len >> 8;
+	skb->data[50] = 0x00;
+	skb->data[51] = 0x80;
+
+	for (i = 52; i < 64; i++)
+		skb->data[i] = 0x00;
+
+	return skb;
+}
+
+static int ch9200_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+	int len = 0;
+	int rx_overhead = 0;
+
+	rx_overhead = 64;
+
+	if (unlikely(skb->len < rx_overhead)) {
+		dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
+		return 0;
+	}
+
+	len = (skb->data[skb->len - 16] | skb->data[skb->len - 15] << 8);
+	skb_trim(skb, len);
+
+	return 1;
+}
+
+static int get_mac_address(struct usbnet *dev, unsigned char *data)
+{
+	int err = 0;
+	unsigned char mac_addr[0x06];
+	int rd_mac_len = 0;
+
+	netdev_dbg(dev->net, "get_mac_address:\n\tusbnet VID:%0x PID:%0x\n",
+		   dev->udev->descriptor.idVendor,
+		   dev->udev->descriptor.idProduct);
+
+	memset(mac_addr, 0, sizeof(mac_addr));
+	rd_mac_len = control_read(dev, REQUEST_READ, 0,
+				  MAC_REG_STATION_L, mac_addr, 0x02,
+				  CONTROL_TIMEOUT_MS);
+	rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_M,
+				   mac_addr + 2, 0x02, CONTROL_TIMEOUT_MS);
+	rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_H,
+				   mac_addr + 4, 0x02, CONTROL_TIMEOUT_MS);
+	if (rd_mac_len != ETH_ALEN)
+		err = -EINVAL;
+
+	data[0] = mac_addr[5];
+	data[1] = mac_addr[4];
+	data[2] = mac_addr[3];
+	data[3] = mac_addr[2];
+	data[4] = mac_addr[1];
+	data[5] = mac_addr[0];
+
+	return err;
+}
+
+static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+	int retval = 0;
+	unsigned char data[2];
+
+	retval = usbnet_get_endpoints(dev, intf);
+	if (retval)
+		return retval;
+
+	dev->mii.dev = dev->net;
+	dev->mii.mdio_read = ch9200_mdio_read;
+	dev->mii.mdio_write = ch9200_mdio_write;
+	dev->mii.reg_num_mask = 0x1f;
+
+	dev->mii.phy_id_mask = 0x1f;
+
+	dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+	dev->rx_urb_size = 24 * 64 + 16;
+	mii_nway_restart(&dev->mii);
+
+	data[0] = 0x01;
+	data[1] = 0x0F;
+	retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_THRESHOLD, data,
+			       0x02, CONTROL_TIMEOUT_MS);
+
+	data[0] = 0xA0;
+	data[1] = 0x90;
+	retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_FIFO_DEPTH, data,
+			       0x02, CONTROL_TIMEOUT_MS);
+
+	data[0] = 0x30;
+	data[1] = 0x00;
+	retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_PAUSE, data,
+			       0x02, CONTROL_TIMEOUT_MS);
+
+	data[0] = 0x17;
+	data[1] = 0xD8;
+	retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_FLOW_CONTROL,
+			       data, 0x02, CONTROL_TIMEOUT_MS);
+
+	/* Undocumented register */
+	data[0] = 0x01;
+	data[1] = 0x00;
+	retval = control_write(dev, REQUEST_WRITE, 0, 254, data, 0x02,
+			       CONTROL_TIMEOUT_MS);
+
+	data[0] = 0x5F;
+	data[1] = 0x0D;
+	retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_CTRL, data, 0x02,
+			       CONTROL_TIMEOUT_MS);
+
+	retval = get_mac_address(dev, dev->net->dev_addr);
+
+	return retval;
+}
+
+static const struct driver_info ch9200_info = {
+	.description = "CH9200 USB to Network Adaptor",
+	.flags = FLAG_ETHER,
+	.bind = ch9200_bind,
+	.rx_fixup = ch9200_rx_fixup,
+	.tx_fixup = ch9200_tx_fixup,
+	.status = ch9200_status,
+	.link_reset = ch9200_link_reset,
+	.reset = ch9200_link_reset,
+};
+
+static const struct usb_device_id ch9200_products[] = {
+	{
+	 USB_DEVICE(0x1A86, 0xE092),
+	 .driver_info = (unsigned long)&ch9200_info,
+	 },
+	{},
+};
+
+MODULE_DEVICE_TABLE(usb, ch9200_products);
+
+static struct usb_driver ch9200_driver = {
+	.name = "ch9200",
+	.id_table = ch9200_products,
+	.probe = usbnet_probe,
+	.disconnect = usbnet_disconnect,
+	.suspend = usbnet_suspend,
+	.resume = usbnet_resume,
+};
+
+module_usb_driver(ch9200_driver);
+
+MODULE_DESCRIPTION("QinHeng CH9200 USB Network device");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index e7094fb..488c6f5 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -193,7 +193,8 @@
 		.flowi4_oif = vrf_dev->ifindex,
 		.flowi4_iif = LOOPBACK_IFINDEX,
 		.flowi4_tos = RT_TOS(ip4h->tos),
-		.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC,
+		.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC |
+				FLOWI_FLAG_SKIP_NH_OIF,
 		.daddr = ip4h->daddr,
 	};
 
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index cf8b7f0..bbac1d3 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2392,10 +2392,6 @@
 
 	eth_hw_addr_random(dev);
 	ether_setup(dev);
-	if (vxlan->default_dst.remote_ip.sa.sa_family == AF_INET6)
-		dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM;
-	else
-		dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM;
 
 	dev->netdev_ops = &vxlan_netdev_ops;
 	dev->destructor = free_netdev;
@@ -2640,8 +2636,11 @@
 		dst->remote_ip.sa.sa_family = AF_INET;
 
 	if (dst->remote_ip.sa.sa_family == AF_INET6 ||
-	    vxlan->cfg.saddr.sa.sa_family == AF_INET6)
+	    vxlan->cfg.saddr.sa.sa_family == AF_INET6) {
+		if (!IS_ENABLED(CONFIG_IPV6))
+			return -EPFNOSUPPORT;
 		use_ipv6 = true;
+	}
 
 	if (conf->remote_ifindex) {
 		struct net_device *lowerdev
@@ -2670,8 +2669,12 @@
 
 		dev->needed_headroom = lowerdev->hard_header_len +
 				       (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM);
-	} else if (use_ipv6)
+	} else if (use_ipv6) {
 		vxlan->flags |= VXLAN_F_IPV6;
+		dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM;
+	} else {
+		dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM;
+	}
 
 	memcpy(&vxlan->cfg, conf, sizeof(*conf));
 	if (!vxlan->cfg.dst_port)
diff --git a/drivers/nvdimm/btt_devs.c b/drivers/nvdimm/btt_devs.c
index 59ad54a6..cb47751 100644
--- a/drivers/nvdimm/btt_devs.c
+++ b/drivers/nvdimm/btt_devs.c
@@ -128,13 +128,13 @@
 	struct nd_btt *nd_btt = to_nd_btt(dev);
 	ssize_t rc;
 
-	nvdimm_bus_lock(dev);
 	device_lock(dev);
+	nvdimm_bus_lock(dev);
 	rc = nd_namespace_store(dev, &nd_btt->ndns, buf, len);
 	dev_dbg(dev, "%s: result: %zd wrote: %s%s", __func__,
 			rc, buf, buf[len - 1] == '\n' ? "" : "\n");
-	device_unlock(dev);
 	nvdimm_bus_unlock(dev);
+	device_unlock(dev);
 
 	return rc;
 }
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 3fd7d0d..71805a1 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -148,13 +148,13 @@
 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);
 	ssize_t rc;
 
-	nvdimm_bus_lock(dev);
 	device_lock(dev);
+	nvdimm_bus_lock(dev);
 	rc = nd_namespace_store(dev, &nd_pfn->ndns, buf, len);
 	dev_dbg(dev, "%s: result: %zd wrote: %s%s", __func__,
 			rc, buf, buf[len - 1] == '\n' ? "" : "\n");
-	device_unlock(dev);
 	nvdimm_bus_unlock(dev);
+	device_unlock(dev);
 
 	return rc;
 }
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index b952538..0ba6a97 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -92,6 +92,8 @@
 	struct pmem_device *pmem = bdev->bd_disk->private_data;
 
 	pmem_do_bvec(pmem, page, PAGE_CACHE_SIZE, 0, rw, sector);
+	if (rw & WRITE)
+		wmb_pmem();
 	page_endio(page, rw & WRITE, 0);
 
 	return 0;
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index d3c6676..6fd4e5a 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -67,7 +67,7 @@
 	int rc;
 
 	/* Stop the user from reading */
-	if (pos > nvmem->size)
+	if (pos >= nvmem->size)
 		return 0;
 
 	if (pos + count > nvmem->size)
@@ -92,7 +92,7 @@
 	int rc;
 
 	/* Stop the user from writing */
-	if (pos > nvmem->size)
+	if (pos >= nvmem->size)
 		return 0;
 
 	if (pos + count > nvmem->size)
@@ -825,7 +825,7 @@
 		return rc;
 
 	/* shift bits in-place */
-	if (cell->bit_offset || cell->bit_offset)
+	if (cell->bit_offset || cell->nbits)
 		nvmem_shift_read_buffer_in_place(cell, buf);
 
 	*len = cell->bytes;
@@ -938,7 +938,7 @@
 	rc = regmap_raw_write(nvmem->regmap, cell->offset, buf, cell->bytes);
 
 	/* free the tmp buffer */
-	if (cell->bit_offset)
+	if (cell->bit_offset || cell->nbits)
 		kfree(buf);
 
 	if (IS_ERR_VALUE(rc))
diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c
index 14777dd..cfa3b85 100644
--- a/drivers/nvmem/sunxi_sid.c
+++ b/drivers/nvmem/sunxi_sid.c
@@ -103,7 +103,7 @@
 	struct nvmem_device *nvmem;
 	struct regmap *regmap;
 	struct sunxi_sid *sid;
-	int i, size;
+	int ret, i, size;
 	char *randomness;
 
 	sid = devm_kzalloc(dev, sizeof(*sid), GFP_KERNEL);
@@ -131,6 +131,11 @@
 		return PTR_ERR(nvmem);
 
 	randomness = kzalloc(sizeof(u8) * size, GFP_KERNEL);
+	if (!randomness) {
+		ret = -EINVAL;
+		goto err_unreg_nvmem;
+	}
+
 	for (i = 0; i < size; i++)
 		randomness[i] = sunxi_sid_read_byte(sid, i);
 
@@ -140,6 +145,10 @@
 	platform_set_drvdata(pdev, nvmem);
 
 	return 0;
+
+err_unreg_nvmem:
+	nvmem_unregister(nvmem);
+	return ret;
 }
 
 static int sunxi_sid_remove(struct platform_device *pdev)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 1350fa2..a87a868 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -197,7 +197,8 @@
  * of_phy_find_device - Give a PHY node, find the phy_device
  * @phy_np: Pointer to the phy's device tree node
  *
- * Returns a pointer to the phy_device.
+ * If successful, returns a pointer to the phy_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure.
  */
 struct phy_device *of_phy_find_device(struct device_node *phy_np)
 {
@@ -217,7 +218,9 @@
  * @hndlr: Link state callback for the network device
  * @iface: PHY data interface type
  *
- * Returns a pointer to the phy_device if successful.  NULL otherwise
+ * If successful, returns a pointer to the phy_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure. The
+ * refcount must be dropped by calling phy_disconnect() or phy_detach().
  */
 struct phy_device *of_phy_connect(struct net_device *dev,
 				  struct device_node *phy_np,
@@ -225,13 +228,19 @@
 				  phy_interface_t iface)
 {
 	struct phy_device *phy = of_phy_find_device(phy_np);
+	int ret;
 
 	if (!phy)
 		return NULL;
 
 	phy->dev_flags = flags;
 
-	return phy_connect_direct(dev, phy, hndlr, iface) ? NULL : phy;
+	ret = phy_connect_direct(dev, phy, hndlr, iface);
+
+	/* refcount is held by phy_connect_direct() on success */
+	put_device(&phy->dev);
+
+	return ret ? NULL : phy;
 }
 EXPORT_SYMBOL(of_phy_connect);
 
@@ -241,17 +250,27 @@
  * @phy_np: Node pointer for the PHY
  * @flags: flags to pass to the PHY
  * @iface: PHY data interface type
+ *
+ * If successful, returns a pointer to the phy_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure. The
+ * refcount must be dropped by calling phy_disconnect() or phy_detach().
  */
 struct phy_device *of_phy_attach(struct net_device *dev,
 				 struct device_node *phy_np, u32 flags,
 				 phy_interface_t iface)
 {
 	struct phy_device *phy = of_phy_find_device(phy_np);
+	int ret;
 
 	if (!phy)
 		return NULL;
 
-	return phy_attach_direct(dev, phy, flags, iface) ? NULL : phy;
+	ret = phy_attach_direct(dev, phy, flags, iface);
+
+	/* refcount is held by phy_attach_direct() on success */
+	put_device(&phy->dev);
+
+	return ret ? NULL : phy;
 }
 EXPORT_SYMBOL(of_phy_attach);
 
diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c
index 1710d9d..2306313 100644
--- a/drivers/of/of_pci_irq.c
+++ b/drivers/of/of_pci_irq.c
@@ -38,8 +38,8 @@
 	 */
 	rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
 	if (rc != 0)
-		return rc;
-	/* No pin, exit */
+		goto err;
+	/* No pin, exit with no error message. */
 	if (pin == 0)
 		return -ENODEV;
 
@@ -53,8 +53,10 @@
 			ppnode = pci_bus_to_OF_node(pdev->bus);
 
 			/* No node for host bridge ? give up */
-			if (ppnode == NULL)
-				return -EINVAL;
+			if (ppnode == NULL) {
+				rc = -EINVAL;
+				goto err;
+			}
 		} else {
 			/* We found a P2P bridge, check if it has a node */
 			ppnode = pci_device_to_OF_node(ppdev);
@@ -86,7 +88,13 @@
 	out_irq->args[0] = pin;
 	laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8));
 	laddr[1] = laddr[2] = cpu_to_be32(0);
-	return of_irq_parse_raw(laddr, out_irq);
+	rc = of_irq_parse_raw(laddr, out_irq);
+	if (rc)
+		goto err;
+	return 0;
+err:
+	dev_err(&pdev->dev, "of_irq_parse_pci() failed with rc=%d\n", rc);
+	return rc;
 }
 EXPORT_SYMBOL_GPL(of_irq_parse_pci);
 
@@ -105,10 +113,8 @@
 	int ret;
 
 	ret = of_irq_parse_pci(dev, &oirq);
-	if (ret) {
-		dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret);
+	if (ret)
 		return 0; /* Proper return code 0 == NO_IRQ */
-	}
 
 	return irq_create_of_mapping(&oirq);
 }
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index baec33c..a0580af 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -560,6 +560,9 @@
 	} else if (bus->parent) {
 		int i;
 
+		pci_read_bridge_bases(bus);
+
+
 		for(i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) {
 			if((bus->self->resource[i].flags & 
 			    (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 7b9e89b..a32c1f6 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -693,6 +693,7 @@
 	if (bus->parent) {
 		int i;
 		/* PCI-PCI Bridge */
+		pci_read_bridge_bases(bus);
 		for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++)
 			pci_claim_bridge_resource(bus->self, i);
 	} else {
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 769f7e3..59ac36f 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -442,7 +442,8 @@
 static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count,
 			       void *arg)
 {
-	struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+	struct pci_dev *tdev = pci_get_slot(dev->bus,
+					    PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
 	ssize_t ret;
 
 	if (!tdev)
@@ -456,7 +457,8 @@
 static ssize_t pci_vpd_f0_write(struct pci_dev *dev, loff_t pos, size_t count,
 				const void *arg)
 {
-	struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+	struct pci_dev *tdev = pci_get_slot(dev->bus,
+					    PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
 	ssize_t ret;
 
 	if (!tdev)
@@ -473,22 +475,6 @@
 	.release = pci_vpd_pci22_release,
 };
 
-static int pci_vpd_f0_dev_check(struct pci_dev *dev)
-{
-	struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
-	int ret = 0;
-
-	if (!tdev)
-		return -ENODEV;
-	if (!tdev->vpd || !tdev->multifunction ||
-	    dev->class != tdev->class || dev->vendor != tdev->vendor ||
-	    dev->device != tdev->device)
-		ret = -ENODEV;
-
-	pci_dev_put(tdev);
-	return ret;
-}
-
 int pci_vpd_pci22_init(struct pci_dev *dev)
 {
 	struct pci_vpd_pci22 *vpd;
@@ -497,12 +483,7 @@
 	cap = pci_find_capability(dev, PCI_CAP_ID_VPD);
 	if (!cap)
 		return -ENODEV;
-	if (dev->dev_flags & PCI_DEV_FLAGS_VPD_REF_F0) {
-		int ret = pci_vpd_f0_dev_check(dev);
 
-		if (ret)
-			return ret;
-	}
 	vpd = kzalloc(sizeof(*vpd), GFP_ATOMIC);
 	if (!vpd)
 		return -ENOMEM;
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6fbd3f2..d3346d2 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -256,6 +256,8 @@
 
 		res->start = start;
 		res->end = end;
+		res->flags &= ~IORESOURCE_UNSET;
+		orig_res.flags &= ~IORESOURCE_UNSET;
 		dev_printk(KERN_DEBUG, &dev->dev, "%pR clipped to %pR\n",
 				 &orig_res, res);
 
diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c
index 81253e7..0aa81bd 100644
--- a/drivers/pci/host/pci-keystone.c
+++ b/drivers/pci/host/pci-keystone.c
@@ -110,7 +110,7 @@
 	return -EINVAL;
 }
 
-static void ks_pcie_msi_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void ks_pcie_msi_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct keystone_pcie *ks_pcie = irq_desc_get_handler_data(desc);
@@ -138,8 +138,7 @@
  * Traverse through pending legacy interrupts and invoke handler for each. Also
  * takes care of interrupt controller level mask/ack operation.
  */
-static void ks_pcie_legacy_irq_handler(unsigned int __irq,
-				       struct irq_desc *desc)
+static void ks_pcie_legacy_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct keystone_pcie *ks_pcie = irq_desc_get_handler_data(desc);
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index 367e28f..c4f64bf 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -362,6 +362,7 @@
 static struct of_device_id rcar_pci_of_match[] = {
 	{ .compatible = "renesas,pci-r8a7790", },
 	{ .compatible = "renesas,pci-r8a7791", },
+	{ .compatible = "renesas,pci-r8a7794", },
 	{ },
 };
 
diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c
index 996327c..e491681 100644
--- a/drivers/pci/host/pci-xgene-msi.c
+++ b/drivers/pci/host/pci-xgene-msi.c
@@ -295,7 +295,7 @@
 	return 0;
 }
 
-static void xgene_msi_isr(unsigned int irq, struct irq_desc *desc)
+static void xgene_msi_isr(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct xgene_msi_group *msi_groups;
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index dd652f2..108a311 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -299,9 +299,10 @@
 	 * Unbound PCI devices are always put in D0, regardless of
 	 * runtime PM status.  During probe, the device is set to
 	 * active and the usage count is incremented.  If the driver
-	 * supports runtime PM, it should call pm_runtime_put_noidle()
-	 * in its probe routine and pm_runtime_get_noresume() in its
-	 * remove routine.
+	 * supports runtime PM, it should call pm_runtime_put_noidle(),
+	 * or any other runtime PM helper function decrementing the usage
+	 * count, in its probe routine and pm_runtime_get_noresume() in
+	 * its remove routine.
 	 */
 	pm_runtime_get_sync(dev);
 	pci_dev->driver = pci_drv;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0b2be17..8361d27 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -676,15 +676,20 @@
 static void pci_set_bus_msi_domain(struct pci_bus *bus)
 {
 	struct irq_domain *d;
+	struct pci_bus *b;
 
 	/*
-	 * Either bus is the root, and we must obtain it from the
-	 * firmware, or we inherit it from the bridge device.
+	 * The bus can be a root bus, a subordinate bus, or a virtual bus
+	 * created by an SR-IOV device.  Walk up to the first bridge device
+	 * found or derive the domain from the host bridge.
 	 */
-	if (pci_is_root_bus(bus))
-		d = pci_host_bridge_msi_domain(bus);
-	else
-		d = dev_get_msi_domain(&bus->self->dev);
+	for (b = bus, d = NULL; !d && !pci_is_root_bus(b); b = b->parent) {
+		if (b->self)
+			d = dev_get_msi_domain(&b->self->dev);
+	}
+
+	if (!d)
+		d = pci_host_bridge_msi_domain(b);
 
 	dev_set_msi_domain(&bus->dev, d);
 }
@@ -855,9 +860,6 @@
 			child->bridge_ctl = bctl;
 		}
 
-		/* Read and initialize bridge resources */
-		pci_read_bridge_bases(child);
-
 		cmax = pci_scan_child_bus(child);
 		if (cmax > subordinate)
 			dev_warn(&dev->dev, "bridge has subordinate %02x but max busn %02x\n",
@@ -918,9 +920,6 @@
 
 		if (!is_cardbus) {
 			child->bridge_ctl = bctl;
-
-			/* Read and initialize bridge resources */
-			pci_read_bridge_bases(child);
 			max = pci_scan_child_bus(child);
 		} else {
 			/*
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6a30252..b03373f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1907,11 +1907,27 @@
 DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID,
 			 PCI_CLASS_COMMUNICATION_SERIAL, 8, quirk_netmos);
 
+/*
+ * Quirk non-zero PCI functions to route VPD access through function 0 for
+ * devices that share VPD resources between functions.  The functions are
+ * expected to be identical devices.
+ */
 static void quirk_f0_vpd_link(struct pci_dev *dev)
 {
-	if (!dev->multifunction || !PCI_FUNC(dev->devfn))
+	struct pci_dev *f0;
+
+	if (!PCI_FUNC(dev->devfn))
 		return;
-	dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0;
+
+	f0 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
+	if (!f0)
+		return;
+
+	if (f0->vpd && dev->class == f0->class &&
+	    dev->vendor == f0->vendor && dev->device == f0->device)
+		dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0;
+
+	pci_dev_put(f0);
 }
 DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
 			      PCI_CLASS_NETWORK_ETHERNET, 8, quirk_f0_vpd_link);
diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c
index 0062027..77a2e05 100644
--- a/drivers/phy/phy-berlin-sata.c
+++ b/drivers/phy/phy-berlin-sata.c
@@ -276,6 +276,7 @@
 	{ .compatible = "marvell,berlin2q-sata-phy" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, phy_berlin_sata_of_match);
 
 static struct platform_driver phy_berlin_sata_driver = {
 	.probe	= phy_berlin_sata_probe,
diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
index 49a1ed0..107cb57 100644
--- a/drivers/phy/phy-qcom-ufs.c
+++ b/drivers/phy/phy-qcom-ufs.c
@@ -432,6 +432,7 @@
 out:
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_ref_clk);
 
 static
 int ufs_qcom_phy_disable_vreg(struct phy *phy,
@@ -474,6 +475,7 @@
 		phy->is_ref_clk_enabled = false;
 	}
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_ref_clk);
 
 #define UFS_REF_CLK_EN	(1 << 5)
 
@@ -517,11 +519,13 @@
 {
 	ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, true);
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_dev_ref_clk);
 
 void ufs_qcom_phy_disable_dev_ref_clk(struct phy *generic_phy)
 {
 	ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, false);
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_dev_ref_clk);
 
 /* Turn ON M-PHY RMMI interface clocks */
 int ufs_qcom_phy_enable_iface_clk(struct phy *generic_phy)
@@ -550,6 +554,7 @@
 out:
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_iface_clk);
 
 /* Turn OFF M-PHY RMMI interface clocks */
 void ufs_qcom_phy_disable_iface_clk(struct phy *generic_phy)
@@ -562,6 +567,7 @@
 		phy->is_iface_clk_enabled = false;
 	}
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_iface_clk);
 
 int ufs_qcom_phy_start_serdes(struct phy *generic_phy)
 {
@@ -578,6 +584,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_start_serdes);
 
 int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes)
 {
@@ -595,6 +602,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_set_tx_lane_enable);
 
 void ufs_qcom_phy_save_controller_version(struct phy *generic_phy,
 					  u8 major, u16 minor, u16 step)
@@ -605,6 +613,7 @@
 	ufs_qcom_phy->host_ctrl_rev_minor = minor;
 	ufs_qcom_phy->host_ctrl_rev_step = step;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_save_controller_version);
 
 int ufs_qcom_phy_calibrate_phy(struct phy *generic_phy, bool is_rate_B)
 {
@@ -625,6 +634,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate_phy);
 
 int ufs_qcom_phy_remove(struct phy *generic_phy,
 			struct ufs_qcom_phy *ufs_qcom_phy)
@@ -662,6 +672,7 @@
 	return ufs_qcom_phy->phy_spec_ops->
 			is_physical_coding_sublayer_ready(ufs_qcom_phy);
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_is_pcs_ready);
 
 int ufs_qcom_phy_power_on(struct phy *generic_phy)
 {
diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 5a5c073..91d6f34 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -98,6 +98,7 @@
 	struct device_node *child;
 	struct regmap *grf;
 	unsigned int reg_offset;
+	int err;
 
 	grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
 	if (IS_ERR(grf)) {
@@ -129,6 +130,11 @@
 			return PTR_ERR(rk_phy->phy);
 		}
 		phy_set_drvdata(rk_phy->phy, rk_phy);
+
+		/* only power up usb phy when it use, so disable it when init*/
+		err = rockchip_usb_phy_power(rk_phy, 1);
+		if (err)
+			return err;
 	}
 
 	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c b/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c
index 7d9482b..1ca7830 100644
--- a/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c
+++ b/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c
@@ -143,7 +143,7 @@
 	return !!(readl(chip->base + offset) & BIT(shift));
 }
 
-static void cygnus_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void cygnus_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct cygnus_gpio *chip = to_cygnus_gpio(gc);
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 69723e0..9638a00 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -349,6 +349,9 @@
 	struct pinctrl_gpio_range *range = NULL;
 	struct gpio_chip *chip = gpio_to_chip(gpio);
 
+	if (WARN(!chip, "no gpio_chip for gpio%i?", gpio))
+		return false;
+
 	mutex_lock(&pinctrldev_list_mutex);
 
 	/* Loop over the pin controllers */
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index dac4865..f79ea43 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -425,7 +425,7 @@
 	}
 }
 
-static void byt_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void byt_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct byt_gpio *vg = to_byt_gpio(irq_desc_get_handler_data(desc));
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 2d5d3dd..270c127 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1414,7 +1414,7 @@
 	.flags = IRQCHIP_SKIP_SET_WAKE,
 };
 
-static void chv_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void chv_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct chv_pinctrl *pctrl = gpiochip_to_pinctrl(gc);
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index bb377c1..54848b8 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -836,7 +836,7 @@
 	}
 }
 
-static void intel_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void intel_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc);
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 7726c6c..1b22f96 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1190,7 +1190,7 @@
 	}
 }
 
-static void mtk_eint_irq_handler(unsigned irq, struct irq_desc *desc)
+static void mtk_eint_irq_handler(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct mtk_pinctrl *pctl = irq_desc_get_handler_data(desc);
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
index 352ede1..96cf039 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -860,7 +860,7 @@
 	chained_irq_exit(host_chip, desc);
 }
 
-static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void nmk_gpio_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *chip = irq_desc_get_handler_data(desc);
 	struct nmk_gpio_chip *nmk_chip = container_of(chip, struct nmk_gpio_chip, chip);
@@ -873,7 +873,7 @@
 	__nmk_gpio_irq_handler(desc, status);
 }
 
-static void nmk_gpio_latent_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void nmk_gpio_latent_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *chip = irq_desc_get_handler_data(desc);
 	struct nmk_gpio_chip *nmk_chip = container_of(chip, struct nmk_gpio_chip, chip);
diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c
index a5976eb..f6be685 100644
--- a/drivers/pinctrl/pinctrl-adi2.c
+++ b/drivers/pinctrl/pinctrl-adi2.c
@@ -530,8 +530,7 @@
 static inline void preflow_handler(struct irq_desc *desc) { }
 #endif
 
-static void adi_gpio_handle_pint_irq(unsigned int inta_irq,
-			struct irq_desc *desc)
+static void adi_gpio_handle_pint_irq(struct irq_desc *desc)
 {
 	u32 request;
 	u32 level_mask, hwirq;
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 5e86bb8..3318f1d 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -492,15 +492,15 @@
 	.irq_set_type = amd_gpio_irq_set_type,
 };
 
-static void amd_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void amd_gpio_irq_handler(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
 	u32 i;
 	u32 off;
 	u32 reg;
 	u32 pin_reg;
 	u64 reg64;
 	int handled = 0;
+	unsigned int irq;
 	unsigned long flags;
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
@@ -541,7 +541,7 @@
 	}
 
 	if (handled == 0)
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG);
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index bae0012..b0fde0f 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1585,7 +1585,7 @@
 	.irq_set_wake	= gpio_irq_set_wake,
 };
 
-static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void gpio_irq_handler(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct gpio_chip *gpio_chip = irq_desc_get_handler_data(desc);
diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c
index 3731cc6..9c9b889 100644
--- a/drivers/pinctrl/pinctrl-coh901.c
+++ b/drivers/pinctrl/pinctrl-coh901.c
@@ -519,7 +519,7 @@
 	.irq_set_type		= u300_gpio_irq_type,
 };
 
-static void u300_gpio_irq_handler(unsigned __irq, struct irq_desc *desc)
+static void u300_gpio_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct irq_chip *parent_chip = irq_desc_get_chip(desc);
diff --git a/drivers/pinctrl/pinctrl-digicolor.c b/drivers/pinctrl/pinctrl-digicolor.c
index 461fffc..11f8b83 100644
--- a/drivers/pinctrl/pinctrl-digicolor.c
+++ b/drivers/pinctrl/pinctrl-digicolor.c
@@ -337,9 +337,9 @@
 	pmap->dev = &pdev->dev;
 
 	pmap->pctl = pinctrl_register(pctl_desc, &pdev->dev, pmap);
-	if (!pmap->pctl) {
+	if (IS_ERR(pmap->pctl)) {
 		dev_err(&pdev->dev, "pinctrl driver registration failed\n");
-		return -EINVAL;
+		return PTR_ERR(pmap->pctl);
 	}
 
 	ret = dc_gpiochip_add(pmap, pdev->dev.of_node);
diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index 3dc2ae1..952b1c6 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1303,20 +1303,18 @@
 	}
 
 	if (type & IRQ_TYPE_LEVEL_MASK)
-		__irq_set_handler_locked(data->irq, handle_level_irq);
+		irq_set_handler_locked(data, handle_level_irq);
 	else
-		__irq_set_handler_locked(data->irq, handle_edge_irq);
+		irq_set_handler_locked(data, handle_edge_irq);
 
 	return 0;
 }
 
-static void pistachio_gpio_irq_handler(unsigned int __irq,
-				       struct irq_desc *desc)
+static void pistachio_gpio_irq_handler(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct pistachio_gpio_bank *bank = gc_to_bank(gc);
-	struct irq_chip *chip = irq_get_chip(irq);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 	unsigned long pending;
 	unsigned int pin;
 
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index c5246c0..88bb707 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -1475,7 +1475,7 @@
  * Interrupt handling
  */
 
-static void rockchip_irq_demux(unsigned int __irq, struct irq_desc *desc)
+static void rockchip_irq_demux(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct rockchip_pin_bank *bank = irq_desc_get_handler_data(desc);
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index bf548c2..ef04b96 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1679,7 +1679,7 @@
  * Use this if you have a separate interrupt for each
  * pinctrl-single instance.
  */
-static void pcs_irq_chain_handler(unsigned int irq, struct irq_desc *desc)
+static void pcs_irq_chain_handler(struct irq_desc *desc)
 {
 	struct pcs_soc_data *pcs_soc = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip;
diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index f8338d2..389526e 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1460,7 +1460,7 @@
 	}
 }
 
-static void st_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void st_gpio_irq_handler(struct irq_desc *desc)
 {
 	/* interrupt dedicated per bank */
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -1472,7 +1472,7 @@
 	chained_irq_exit(chip, desc);
 }
 
-static void st_gpio_irqmux_handler(unsigned irq, struct irq_desc *desc)
+static void st_gpio_irqmux_handler(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct st_pinctrl *info = irq_desc_get_handler_data(desc);
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 67e08cb..29984b3 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -313,8 +313,7 @@
 
 	/* See if this pctldev has this function */
 	while (selector < nfuncs) {
-		const char *fname = ops->get_function_name(pctldev,
-							   selector);
+		const char *fname = ops->get_function_name(pctldev, selector);
 
 		if (!strcmp(function, fname))
 			return selector;
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 492cdd5..a0c7407 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -765,9 +765,8 @@
 	.irq_set_wake   = msm_gpio_irq_set_wake,
 };
 
-static void msm_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc)
+static void msm_gpio_irq_handler(struct irq_desc *desc)
 {
-	unsigned int irq = irq_desc_get_irq(desc);
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	const struct msm_pingroup *g;
 	struct msm_pinctrl *pctrl = to_msm_pinctrl(gc);
@@ -795,7 +794,7 @@
 
 	/* No interrupts were flagged */
 	if (handled == 0)
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 
 	chained_irq_exit(chip, desc);
 }
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
index c978b31..e1a3721 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
@@ -723,9 +723,9 @@
 #endif
 
 	pctrl->pctrl = pinctrl_register(&pctrl->desc, &pdev->dev, pctrl);
-	if (!pctrl->pctrl) {
+	if (IS_ERR(pctrl->pctrl)) {
 		dev_err(&pdev->dev, "couldn't register pm8xxx gpio driver\n");
-		return -ENODEV;
+		return PTR_ERR(pctrl->pctrl);
 	}
 
 	pctrl->chip = pm8xxx_gpio_template;
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
index 2d1b69f..6652b8d 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
@@ -814,9 +814,9 @@
 #endif
 
 	pctrl->pctrl = pinctrl_register(&pctrl->desc, &pdev->dev, pctrl);
-	if (!pctrl->pctrl) {
+	if (IS_ERR(pctrl->pctrl)) {
 		dev_err(&pdev->dev, "couldn't register pm8xxx mpp driver\n");
-		return -ENODEV;
+		return PTR_ERR(pctrl->pctrl);
 	}
 
 	pctrl->chip = pm8xxx_mpp_template;
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 5f45caa..71ccf6a 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -419,7 +419,7 @@
 };
 
 /* interrupt handler for wakeup interrupts 0..15 */
-static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
+static void exynos_irq_eint0_15(struct irq_desc *desc)
 {
 	struct exynos_weint_data *eintd = irq_desc_get_handler_data(desc);
 	struct samsung_pin_bank *bank = eintd->bank;
@@ -451,7 +451,7 @@
 }
 
 /* interrupt handler for wakeup interrupt 16 */
-static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
+static void exynos_irq_demux_eint16_31(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct exynos_muxed_weint_data *eintd = irq_desc_get_handler_data(desc);
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
index 019844d..3d92f82 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
@@ -240,7 +240,7 @@
 	.irq_set_type	= s3c24xx_eint_type,
 };
 
-static void s3c2410_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
+static void s3c2410_demux_eint0_3(struct irq_desc *desc)
 {
 	struct irq_data *data = irq_desc_get_irq_data(desc);
 	struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc);
@@ -295,7 +295,7 @@
 	.irq_set_type	= s3c24xx_eint_type,
 };
 
-static void s3c2412_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
+static void s3c2412_demux_eint0_3(struct irq_desc *desc)
 {
 	struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc);
 	struct irq_data *data = irq_desc_get_irq_data(desc);
@@ -361,7 +361,7 @@
 				      u32 offset, u32 range)
 {
 	struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc);
-	struct irq_chip *chip = irq_desc_get_irq_chip(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct samsung_pinctrl_drv_data *d = data->drvdata;
 	unsigned int pend, mask;
 
@@ -388,12 +388,12 @@
 	chained_irq_exit(chip, desc);
 }
 
-static void s3c24xx_demux_eint4_7(unsigned int irq, struct irq_desc *desc)
+static void s3c24xx_demux_eint4_7(struct irq_desc *desc)
 {
 	s3c24xx_demux_eint(desc, 0, 0xf0);
 }
 
-static void s3c24xx_demux_eint8_23(unsigned int irq, struct irq_desc *desc)
+static void s3c24xx_demux_eint8_23(struct irq_desc *desc)
 {
 	s3c24xx_demux_eint(desc, 8, 0xffff00);
 }
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
index f5ea40a..43407ab 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
@@ -407,7 +407,7 @@
 	.xlate	= irq_domain_xlate_twocell,
 };
 
-static void s3c64xx_eint_gpio_irq(unsigned int irq, struct irq_desc *desc)
+static void s3c64xx_eint_gpio_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct s3c64xx_eint_gpio_data *data = irq_desc_get_handler_data(desc);
@@ -631,22 +631,22 @@
 	chained_irq_exit(chip, desc);
 }
 
-static void s3c64xx_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
+static void s3c64xx_demux_eint0_3(struct irq_desc *desc)
 {
 	s3c64xx_irq_demux_eint(desc, 0xf);
 }
 
-static void s3c64xx_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
+static void s3c64xx_demux_eint4_11(struct irq_desc *desc)
 {
 	s3c64xx_irq_demux_eint(desc, 0xff0);
 }
 
-static void s3c64xx_demux_eint12_19(unsigned int irq, struct irq_desc *desc)
+static void s3c64xx_demux_eint12_19(struct irq_desc *desc)
 {
 	s3c64xx_irq_demux_eint(desc, 0xff000);
 }
 
-static void s3c64xx_demux_eint20_27(unsigned int irq, struct irq_desc *desc)
+static void s3c64xx_demux_eint20_27(struct irq_desc *desc)
 {
 	s3c64xx_irq_demux_eint(desc, 0xff00000);
 }
diff --git a/drivers/pinctrl/sirf/pinctrl-atlas7.c b/drivers/pinctrl/sirf/pinctrl-atlas7.c
index 9df0c5f..0d24d9e 100644
--- a/drivers/pinctrl/sirf/pinctrl-atlas7.c
+++ b/drivers/pinctrl/sirf/pinctrl-atlas7.c
@@ -4489,7 +4489,7 @@
 	.irq_set_type = atlas7_gpio_irq_type,
 };
 
-static void atlas7_gpio_handle_irq(unsigned int __irq, struct irq_desc *desc)
+static void atlas7_gpio_handle_irq(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct atlas7_gpio_chip *a7gc = to_atlas7_gpio(gc);
@@ -4512,7 +4512,7 @@
 	if (!status) {
 		pr_warn("%s: gpio [%s] status %#x no interrupt is flaged\n",
 			__func__, gc->label, status);
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 		return;
 	}
 
diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.c b/drivers/pinctrl/sirf/pinctrl-sirf.c
index f8bd9fb..2a8d697 100644
--- a/drivers/pinctrl/sirf/pinctrl-sirf.c
+++ b/drivers/pinctrl/sirf/pinctrl-sirf.c
@@ -545,7 +545,7 @@
 	.irq_set_type = sirfsoc_gpio_irq_type,
 };
 
-static void sirfsoc_gpio_handle_irq(unsigned int __irq, struct irq_desc *desc)
+static void sirfsoc_gpio_handle_irq(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
@@ -570,7 +570,7 @@
 		printk(KERN_WARNING
 			"%s: gpio id %d status %#x no interrupt is flagged\n",
 			__func__, bank->id, status);
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 		return;
 	}
 
diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index ae8f29f..1f0af25 100644
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -356,7 +356,7 @@
 	.irq_set_type	= plgpio_irq_set_type,
 };
 
-static void plgpio_irq_handler(unsigned irq, struct irq_desc *desc)
+static void plgpio_irq_handler(struct irq_desc *desc)
 {
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
 	struct plgpio *plgpio = container_of(gc, struct plgpio, chip);
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index fb4669c0..38e0c7b 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -617,13 +617,11 @@
 	spin_lock_irqsave(&pctl->lock, flags);
 
 	if (type & IRQ_TYPE_LEVEL_MASK)
-		__irq_set_chip_handler_name_locked(d->irq,
-						   &sunxi_pinctrl_level_irq_chip,
-						   handle_fasteoi_irq, NULL);
+		irq_set_chip_handler_name_locked(d, &sunxi_pinctrl_level_irq_chip,
+						 handle_fasteoi_irq, NULL);
 	else
-		__irq_set_chip_handler_name_locked(d->irq,
-						   &sunxi_pinctrl_edge_irq_chip,
-						   handle_edge_irq, NULL);
+		irq_set_chip_handler_name_locked(d, &sunxi_pinctrl_edge_irq_chip,
+						 handle_edge_irq, NULL);
 
 	regval = readl(pctl->membase + reg);
 	regval &= ~(IRQ_CFG_IRQ_MASK << index);
@@ -742,7 +740,7 @@
 	.xlate		= sunxi_pinctrl_irq_of_xlate,
 };
 
-static void sunxi_pinctrl_irq_handler(unsigned __irq, struct irq_desc *desc)
+static void sunxi_pinctrl_irq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index abdaed3..131fee2 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -128,6 +128,24 @@
 	},
 	{
 		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X456UA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
+	{
+		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X456UF",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
+	{
+		.callback = dmi_matched,
 		.ident = "ASUSTeK COMPUTER INC. X501U",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 0669731..fb4dd7b 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -54,8 +54,9 @@
 #define HPWMI_HARDWARE_QUERY 0x4
 #define HPWMI_WIRELESS_QUERY 0x5
 #define HPWMI_BIOS_QUERY 0x9
+#define HPWMI_FEATURE_QUERY 0xb
 #define HPWMI_HOTKEY_QUERY 0xc
-#define HPWMI_FEATURE_QUERY 0xd
+#define HPWMI_FEATURE2_QUERY 0xd
 #define HPWMI_WIRELESS2_QUERY 0x1b
 #define HPWMI_POSTCODEERROR_QUERY 0x2a
 
@@ -295,25 +296,33 @@
 	return (state & 0x4) ? 1 : 0;
 }
 
-static int __init hp_wmi_bios_2009_later(void)
+static int __init hp_wmi_bios_2008_later(void)
 {
 	int state = 0;
 	int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state,
 				       sizeof(state), sizeof(state));
-	if (ret)
-		return ret;
+	if (!ret)
+		return 1;
 
-	return (state & 0x10) ? 1 : 0;
+	return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
 }
 
-static int hp_wmi_enable_hotkeys(void)
+static int __init hp_wmi_bios_2009_later(void)
 {
-	int ret;
-	int query = 0x6e;
+	int state = 0;
+	int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, 0, &state,
+				       sizeof(state), sizeof(state));
+	if (!ret)
+		return 1;
 
-	ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &query, sizeof(query),
-				   0);
+	return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
+}
 
+static int __init hp_wmi_enable_hotkeys(void)
+{
+	int value = 0x6e;
+	int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &value,
+				       sizeof(value), 0);
 	if (ret)
 		return -EINVAL;
 	return 0;
@@ -663,7 +672,7 @@
 			    hp_wmi_tablet_state());
 	input_sync(hp_wmi_input_dev);
 
-	if (hp_wmi_bios_2009_later() == 4)
+	if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later())
 		hp_wmi_enable_hotkeys();
 
 	status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 6740c51..f2372f4 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -938,7 +938,7 @@
 	else if (result == TOS_NOT_SUPPORTED)
 		return -ENODEV;
 
-	return result = TOS_SUCCESS ? 0 : -EIO;
+	return result == TOS_SUCCESS ? 0 : -EIO;
 }
 
 static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state)
@@ -2398,11 +2398,9 @@
 	if (error)
 		return error;
 
-	error = toshiba_hotkey_event_type_get(dev, &events_type);
-	if (error) {
-		pr_err("Unable to query Hotkey Event Type\n");
-		return error;
-	}
+	if (toshiba_hotkey_event_type_get(dev, &events_type))
+		pr_notice("Unable to query Hotkey Event Type\n");
+
 	dev->hotkey_event_type = events_type;
 
 	dev->hotkey_dev = input_allocate_device();
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index aac4757..eb391a2 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -194,34 +194,6 @@
 	return true;
 }
 
-/*
- * Convert a raw GUID to the ACII string representation
- */
-static int wmi_gtoa(const char *in, char *out)
-{
-	int i;
-
-	for (i = 3; i >= 0; i--)
-		out += sprintf(out, "%02X", in[i] & 0xFF);
-
-	out += sprintf(out, "-");
-	out += sprintf(out, "%02X", in[5] & 0xFF);
-	out += sprintf(out, "%02X", in[4] & 0xFF);
-	out += sprintf(out, "-");
-	out += sprintf(out, "%02X", in[7] & 0xFF);
-	out += sprintf(out, "%02X", in[6] & 0xFF);
-	out += sprintf(out, "-");
-	out += sprintf(out, "%02X", in[8] & 0xFF);
-	out += sprintf(out, "%02X", in[9] & 0xFF);
-	out += sprintf(out, "-");
-
-	for (i = 10; i <= 15; i++)
-		out += sprintf(out, "%02X", in[i] & 0xFF);
-
-	*out = '\0';
-	return 0;
-}
-
 static bool find_guid(const char *guid_string, struct wmi_block **out)
 {
 	char tmp[16], guid_input[16];
@@ -457,11 +429,7 @@
 
 static void wmi_dump_wdg(const struct guid_block *g)
 {
-	char guid_string[37];
-
-	wmi_gtoa(g->guid, guid_string);
-
-	pr_info("%s:\n", guid_string);
+	pr_info("%pUL:\n", g->guid);
 	pr_info("\tobject_id: %c%c\n", g->object_id[0], g->object_id[1]);
 	pr_info("\tnotify_id: %02X\n", g->notify_id);
 	pr_info("\treserved: %02X\n", g->reserved);
@@ -661,7 +629,6 @@
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
 {
-	char guid_string[37];
 	struct wmi_block *wblock;
 
 	wblock = dev_get_drvdata(dev);
@@ -670,9 +637,7 @@
 		return strlen(buf);
 	}
 
-	wmi_gtoa(wblock->gblock.guid, guid_string);
-
-	return sprintf(buf, "wmi:%s\n", guid_string);
+	return sprintf(buf, "wmi:%pUL\n", wblock->gblock.guid);
 }
 static DEVICE_ATTR_RO(modalias);
 
@@ -695,7 +660,7 @@
 	if (!wblock)
 		return -ENOMEM;
 
-	wmi_gtoa(wblock->gblock.guid, guid_string);
+	sprintf(guid_string, "%pUL", wblock->gblock.guid);
 
 	strcpy(&env->buf[env->buflen - 1], "wmi:");
 	memcpy(&env->buf[env->buflen - 1 + 4], guid_string, 36);
@@ -721,12 +686,9 @@
 static int wmi_create_device(const struct guid_block *gblock,
 			     struct wmi_block *wblock, acpi_handle handle)
 {
-	char guid_string[37];
-
 	wblock->dev.class = &wmi_class;
 
-	wmi_gtoa(gblock->guid, guid_string);
-	dev_set_name(&wblock->dev, "%s", guid_string);
+	dev_set_name(&wblock->dev, "%pUL", gblock->guid);
 
 	dev_set_drvdata(&wblock->dev, wblock);
 
@@ -877,7 +839,6 @@
 	struct guid_block *block;
 	struct wmi_block *wblock;
 	struct list_head *p;
-	char guid_string[37];
 
 	list_for_each(p, &wmi_block_list) {
 		wblock = list_entry(p, struct wmi_block, list);
@@ -888,8 +849,8 @@
 			if (wblock->handler)
 				wblock->handler(event, wblock->handler_data);
 			if (debug_event) {
-				wmi_gtoa(wblock->gblock.guid, guid_string);
-				pr_info("DEBUG Event GUID: %s\n", guid_string);
+				pr_info("DEBUG Event GUID: %pUL\n",
+					wblock->gblock.guid);
 			}
 
 			acpi_bus_generate_netlink_event(
diff --git a/drivers/power/twl4030_charger.c b/drivers/power/twl4030_charger.c
index f4f2c1f..74f2d3f 100644
--- a/drivers/power/twl4030_charger.c
+++ b/drivers/power/twl4030_charger.c
@@ -91,7 +91,7 @@
 #define TWL4030_MSTATEC_COMPLETE1	0x0b
 #define TWL4030_MSTATEC_COMPLETE4	0x0e
 
-#if IS_ENABLED(CONFIG_TWL4030_MADC)
+#if IS_REACHABLE(CONFIG_TWL4030_MADC)
 /*
  * If AC (Accessory Charger) voltage exceeds 4.5V (MADC 11)
  * then AC is available.
@@ -1057,13 +1057,9 @@
 
 		phynode = of_find_compatible_node(bci->dev->of_node->parent,
 						  NULL, "ti,twl4030-usb");
-		if (phynode) {
+		if (phynode)
 			bci->transceiver = devm_usb_get_phy_by_node(
 				bci->dev, phynode, &bci->usb_nb);
-			if (IS_ERR(bci->transceiver) &&
-			    PTR_ERR(bci->transceiver) == -EPROBE_DEFER)
-				return -EPROBE_DEFER;
-		}
 	}
 
 	/* Enable interrupts now. */
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 738adfa..52ea605 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -318,6 +318,7 @@
 	{ .compatible = "fsl,anatop-regulator", },
 	{ /* end */ }
 };
+MODULE_DEVICE_TABLE(of, of_anatop_regulator_match_tbl);
 
 static struct platform_driver anatop_regulator_driver = {
 	.driver = {
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 01bf347..a9567af 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -192,9 +192,9 @@
 	AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
 		 AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
 	AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
-		 AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
+		 AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(4)),
 	AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
-		 AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(4)),
+		 AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(5)),
 	/* secondary switchable output of DCDC1 */
 	AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", "dcdc1", 1600, 3400, 100,
 		    AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(7)),
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 7a85ac9..8a34f6a 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1394,15 +1394,19 @@
 		return 0;
 
 	r = regulator_dev_lookup(dev, rdev->supply_name, &ret);
-	if (ret == -ENODEV) {
-		/*
-		 * No supply was specified for this regulator and
-		 * there will never be one.
-		 */
-		return 0;
-	}
-
 	if (!r) {
+		if (ret == -ENODEV) {
+			/*
+			 * No supply was specified for this regulator and
+			 * there will never be one.
+			 */
+			return 0;
+		}
+
+		/* Did the lookup explicitly defer for us? */
+		if (ret == -EPROBE_DEFER)
+			return ret;
+
 		if (have_full_constraints()) {
 			r = dummy_regulator_rdev;
 		} else {
@@ -1422,11 +1426,10 @@
 		return ret;
 
 	/* Cascade always-on state to supply */
-	if (_regulator_is_enabled(rdev)) {
+	if (_regulator_is_enabled(rdev) && rdev->supply) {
 		ret = regulator_enable(rdev->supply);
 		if (ret < 0) {
-			if (rdev->supply)
-				_regulator_put(rdev->supply);
+			_regulator_put(rdev->supply);
 			return ret;
 		}
 	}
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 464018d..7bba8b7 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -394,6 +394,7 @@
 	{ .compatible = "regulator-gpio", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, regulator_gpio_of_match);
 #endif
 
 static struct platform_driver gpio_regulator_driver = {
diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
index 4fa7bca..f9d74d6 100644
--- a/drivers/regulator/pbias-regulator.c
+++ b/drivers/regulator/pbias-regulator.c
@@ -45,6 +45,10 @@
 	int voltage;
 };
 
+struct pbias_of_data {
+	unsigned int offset;
+};
+
 static const unsigned int pbias_volt_table[] = {
 	1800000,
 	3000000
@@ -102,8 +106,35 @@
 };
 #define PBIAS_NUM_REGS	ARRAY_SIZE(pbias_matches)
 
+/* Offset from SCM general area (and syscon) base */
+
+static const struct pbias_of_data pbias_of_data_omap2 = {
+	.offset = 0x230,
+};
+
+static const struct pbias_of_data pbias_of_data_omap3 = {
+	.offset = 0x2b0,
+};
+
+static const struct pbias_of_data pbias_of_data_omap4 = {
+	.offset = 0x60,
+};
+
+static const struct pbias_of_data pbias_of_data_omap5 = {
+	.offset = 0x60,
+};
+
+static const struct pbias_of_data pbias_of_data_dra7 = {
+	.offset = 0xe00,
+};
+
 static const struct of_device_id pbias_of_match[] = {
 	{ .compatible = "ti,pbias-omap", },
+	{ .compatible = "ti,pbias-omap2", .data = &pbias_of_data_omap2, },
+	{ .compatible = "ti,pbias-omap3", .data = &pbias_of_data_omap3, },
+	{ .compatible = "ti,pbias-omap4", .data = &pbias_of_data_omap4, },
+	{ .compatible = "ti,pbias-omap5", .data = &pbias_of_data_omap5, },
+	{ .compatible = "ti,pbias-dra7", .data = &pbias_of_data_dra7, },
 	{},
 };
 MODULE_DEVICE_TABLE(of, pbias_of_match);
@@ -118,6 +149,9 @@
 	const struct pbias_reg_info *info;
 	int ret = 0;
 	int count, idx, data_idx = 0;
+	const struct of_device_id *match;
+	const struct pbias_of_data *data;
+	unsigned int offset;
 
 	count = of_regulator_match(&pdev->dev, np, pbias_matches,
 						PBIAS_NUM_REGS);
@@ -133,6 +167,20 @@
 	if (IS_ERR(syscon))
 		return PTR_ERR(syscon);
 
+	match = of_match_device(of_match_ptr(pbias_of_match), &pdev->dev);
+	if (match && match->data) {
+		data = match->data;
+		offset = data->offset;
+	} else {
+		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+		if (!res)
+			return -EINVAL;
+
+		offset = res->start;
+		dev_WARN(&pdev->dev,
+			 "using legacy dt data for pbias offset\n");
+	}
+
 	cfg.regmap = syscon;
 	cfg.dev = &pdev->dev;
 
@@ -145,10 +193,6 @@
 		if (!info)
 			return -ENODEV;
 
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		if (!res)
-			return -EINVAL;
-
 		drvdata[data_idx].syscon = syscon;
 		drvdata[data_idx].info = info;
 		drvdata[data_idx].desc.name = info->name;
@@ -158,9 +202,9 @@
 		drvdata[data_idx].desc.volt_table = pbias_volt_table;
 		drvdata[data_idx].desc.n_voltages = 2;
 		drvdata[data_idx].desc.enable_time = info->enable_time;
-		drvdata[data_idx].desc.vsel_reg = res->start;
+		drvdata[data_idx].desc.vsel_reg = offset;
 		drvdata[data_idx].desc.vsel_mask = info->vmode;
-		drvdata[data_idx].desc.enable_reg = res->start;
+		drvdata[data_idx].desc.enable_reg = offset;
 		drvdata[data_idx].desc.enable_mask = info->enable_mask;
 		drvdata[data_idx].desc.enable_val = info->enable;
 		drvdata[data_idx].desc.disable_val = info->disable_val;
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index 7f97223..a02c1b9 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c
@@ -73,7 +73,7 @@
 };
 
 static struct tps_info tps65218_pmic_regs[] = {
-	TPS65218_INFO(DCDC1, "DCDC1", 850000, 167500),
+	TPS65218_INFO(DCDC1, "DCDC1", 850000, 1675000),
 	TPS65218_INFO(DCDC2, "DCDC2", 850000, 1675000),
 	TPS65218_INFO(DCDC3, "DCDC3", 900000, 3400000),
 	TPS65218_INFO(DCDC4, "DCDC4", 1175000, 3400000),
diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c
index bed9d3e..c810cbb 100644
--- a/drivers/regulator/vexpress.c
+++ b/drivers/regulator/vexpress.c
@@ -103,6 +103,7 @@
 	{ .compatible = "arm,vexpress-volt", },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, vexpress_regulator_of_match);
 
 static struct platform_driver vexpress_regulator_driver = {
 	.probe = vexpress_regulator_probe,
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index f8d8fdb..e9fae30 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -400,12 +400,16 @@
 static int virtio_ccw_read_vq_conf(struct virtio_ccw_device *vcdev,
 				   struct ccw1 *ccw, int index)
 {
+	int ret;
+
 	vcdev->config_block->index = index;
 	ccw->cmd_code = CCW_CMD_READ_VQ_CONF;
 	ccw->flags = 0;
 	ccw->count = sizeof(struct vq_config_block);
 	ccw->cda = (__u32)(unsigned long)(vcdev->config_block);
-	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_VQ_CONF);
+	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_VQ_CONF);
+	if (ret)
+		return ret;
 	return vcdev->config_block->num;
 }
 
@@ -503,6 +507,10 @@
 		goto out_err;
 	}
 	info->num = virtio_ccw_read_vq_conf(vcdev, ccw, i);
+	if (info->num < 0) {
+		err = info->num;
+		goto out_err;
+	}
 	size = PAGE_ALIGN(vring_size(info->num, KVM_VIRTIO_CCW_RING_ALIGN));
 	info->queue = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
 	if (info->queue == NULL) {
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index add419d..a56a7b2 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -212,6 +212,17 @@
 	.llseek		= noop_llseek,
 };
 
+/*
+ * The controllers use an inline buffer instead of a mapped SGL for small,
+ * single entry buffers.  Note that we treat a zero-length transfer like
+ * a mapped SGL.
+ */
+static bool twa_command_mapped(struct scsi_cmnd *cmd)
+{
+	return scsi_sg_count(cmd) != 1 ||
+		scsi_bufflen(cmd) >= TW_MIN_SGL_LENGTH;
+}
+
 /* This function will complete an aen request from the isr */
 static int twa_aen_complete(TW_Device_Extension *tw_dev, int request_id)
 {
@@ -1339,7 +1350,8 @@
 				}
 
 				/* Now complete the io */
-				scsi_dma_unmap(cmd);
+				if (twa_command_mapped(cmd))
+					scsi_dma_unmap(cmd);
 				cmd->scsi_done(cmd);
 				tw_dev->state[request_id] = TW_S_COMPLETED;
 				twa_free_request_id(tw_dev, request_id);
@@ -1582,7 +1594,8 @@
 				struct scsi_cmnd *cmd = tw_dev->srb[i];
 
 				cmd->result = (DID_RESET << 16);
-				scsi_dma_unmap(cmd);
+				if (twa_command_mapped(cmd))
+					scsi_dma_unmap(cmd);
 				cmd->scsi_done(cmd);
 			}
 		}
@@ -1765,12 +1778,14 @@
 	retval = twa_scsiop_execute_scsi(tw_dev, request_id, NULL, 0, NULL);
 	switch (retval) {
 	case SCSI_MLQUEUE_HOST_BUSY:
-		scsi_dma_unmap(SCpnt);
+		if (twa_command_mapped(SCpnt))
+			scsi_dma_unmap(SCpnt);
 		twa_free_request_id(tw_dev, request_id);
 		break;
 	case 1:
 		SCpnt->result = (DID_ERROR << 16);
-		scsi_dma_unmap(SCpnt);
+		if (twa_command_mapped(SCpnt))
+			scsi_dma_unmap(SCpnt);
 		done(SCpnt);
 		tw_dev->state[request_id] = TW_S_COMPLETED;
 		twa_free_request_id(tw_dev, request_id);
@@ -1831,8 +1846,7 @@
 		/* Map sglist from scsi layer to cmd packet */
 
 		if (scsi_sg_count(srb)) {
-			if ((scsi_sg_count(srb) == 1) &&
-			    (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) {
+			if (!twa_command_mapped(srb)) {
 				if (srb->sc_data_direction == DMA_TO_DEVICE ||
 				    srb->sc_data_direction == DMA_BIDIRECTIONAL)
 					scsi_sg_copy_to_buffer(srb,
@@ -1905,7 +1919,7 @@
 {
 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
 
-	if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH &&
+	if (!twa_command_mapped(cmd) &&
 	    (cmd->sc_data_direction == DMA_FROM_DEVICE ||
 	     cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
 		if (scsi_sg_count(cmd) == 1) {
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 33c74d3..6bffd91 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -976,13 +976,13 @@
 	wake_up(&conn->ehwait);
 }
 
-static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
+static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
 {
         struct iscsi_nopout hdr;
 	struct iscsi_task *task;
 
 	if (!rhdr && conn->ping_task)
-		return;
+		return -EINVAL;
 
 	memset(&hdr, 0, sizeof(struct iscsi_nopout));
 	hdr.opcode = ISCSI_OP_NOOP_OUT | ISCSI_OP_IMMEDIATE;
@@ -996,13 +996,16 @@
 		hdr.ttt = RESERVED_ITT;
 
 	task = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)&hdr, NULL, 0);
-	if (!task)
+	if (!task) {
 		iscsi_conn_printk(KERN_ERR, conn, "Could not send nopout\n");
-	else if (!rhdr) {
+		return -EIO;
+	} else if (!rhdr) {
 		/* only track our nops */
 		conn->ping_task = task;
 		conn->last_ping = jiffies;
 	}
+
+	return 0;
 }
 
 static int iscsi_nop_out_rsp(struct iscsi_task *task,
@@ -2092,8 +2095,10 @@
 	if (time_before_eq(last_recv + recv_timeout, jiffies)) {
 		/* send a ping to try to provoke some traffic */
 		ISCSI_DBG_CONN(conn, "Sending nopout as ping\n");
-		iscsi_send_nopout(conn, NULL);
-		next_timeout = conn->last_ping + (conn->ping_timeout * HZ);
+		if (iscsi_send_nopout(conn, NULL))
+			next_timeout = jiffies + (1 * HZ);
+		else
+			next_timeout = conn->last_ping + (conn->ping_timeout * HZ);
 	} else
 		next_timeout = last_recv + recv_timeout;
 
diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c
index edb044a..0a2168e 100644
--- a/drivers/scsi/scsi_dh.c
+++ b/drivers/scsi/scsi_dh.c
@@ -111,7 +111,7 @@
 
 	dh = __scsi_dh_lookup(name);
 	if (!dh) {
-		request_module(name);
+		request_module("scsi_dh_%s", name);
 		dh = __scsi_dh_lookup(name);
 	}
 
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index cbfc599..126a48c 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1957,7 +1957,7 @@
 static void scsi_mq_done(struct scsi_cmnd *cmd)
 {
 	trace_scsi_dispatch_cmd_done(cmd);
-	blk_mq_complete_request(cmd->request);
+	blk_mq_complete_request(cmd->request, cmd->request->errors);
 }
 
 static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx,
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 043419d..8e72bcb 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -65,7 +65,7 @@
 	raw_spin_unlock_irqrestore(&intc_big_lock, flags);
 }
 
-static void intc_redirect_irq(unsigned int irq, struct irq_desc *desc)
+static void intc_redirect_irq(struct irq_desc *desc)
 {
 	generic_handle_irq((unsigned int)irq_desc_get_handler_data(desc));
 }
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index 7dff08e..6ce7f0d 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -99,15 +99,7 @@
  */
 static inline void activate_irq(int irq)
 {
-#ifdef CONFIG_ARM
-	/* ARM requires an extra step to clear IRQ_NOREQUEST, which it
-	 * sets on behalf of every irq_chip.  Also sets IRQ_NOPROBE.
-	 */
-	set_irq_flags(irq, IRQF_VALID);
-#else
-	/* same effect on other architectures */
-	irq_set_noprobe(irq);
-#endif
+	irq_modify_status(irq, IRQ_NOREQUEST, IRQ_NOPROBE);
 }
 
 static inline int intc_handle_int_cmp(const void *a, const void *b)
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index bafc51c..e789962 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -109,7 +109,7 @@
 	return 0;
 }
 
-static void intc_virq_handler(unsigned int __irq, struct irq_desc *desc)
+static void intc_virq_handler(struct irq_desc *desc)
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 	struct irq_data *data = irq_desc_get_irq_data(desc);
@@ -127,7 +127,7 @@
 			handle = (unsigned long)irq_desc_get_handler_data(vdesc);
 			addr = INTC_REG(d, _INTC_ADDR_E(handle), 0);
 			if (intc_reg_fns[_INTC_FN(handle)](addr, handle, 0))
-				generic_handle_irq_desc(entry->irq, vdesc);
+				generic_handle_irq_desc(vdesc);
 		}
 	}
 
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c
index d3d1891..25abd4e 100644
--- a/drivers/sh/pm_runtime.c
+++ b/drivers/sh/pm_runtime.c
@@ -35,20 +35,11 @@
 static int __init sh_pm_runtime_init(void)
 {
 	if (IS_ENABLED(CONFIG_ARCH_SHMOBILE_MULTI)) {
-		if (!of_machine_is_compatible("renesas,emev2") &&
-		    !of_machine_is_compatible("renesas,r7s72100") &&
-#ifndef CONFIG_PM_GENERIC_DOMAINS_OF
-		    !of_machine_is_compatible("renesas,r8a73a4") &&
-		    !of_machine_is_compatible("renesas,r8a7740") &&
-		    !of_machine_is_compatible("renesas,sh73a0") &&
-#endif
-		    !of_machine_is_compatible("renesas,r8a7778") &&
-		    !of_machine_is_compatible("renesas,r8a7779") &&
-		    !of_machine_is_compatible("renesas,r8a7790") &&
-		    !of_machine_is_compatible("renesas,r8a7791") &&
-		    !of_machine_is_compatible("renesas,r8a7792") &&
-		    !of_machine_is_compatible("renesas,r8a7793") &&
-		    !of_machine_is_compatible("renesas,r8a7794"))
+		if (!of_find_compatible_node(NULL, NULL,
+					     "renesas,cpg-mstp-clocks"))
+			return 0;
+		if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS_OF) &&
+		    of_find_node_with_property(NULL, "#power-domain-cells"))
 			return 0;
 	}
 
diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c
index 6792aae..052aecf 100644
--- a/drivers/soc/dove/pmu.c
+++ b/drivers/soc/dove/pmu.c
@@ -222,9 +222,9 @@
 }
 
 /* PMU IRQ controller */
-static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc)
+static void pmu_irq_handler(struct irq_desc *desc)
 {
-	struct pmu_data *pmu = irq_get_handler_data(irq);
+	struct pmu_data *pmu = irq_desc_get_handler_data(desc);
 	struct irq_chip_generic *gc = pmu->irq_gc;
 	struct irq_domain *domain = pmu->irq_domain;
 	void __iomem *base = gc->reg_base;
@@ -232,7 +232,7 @@
 	u32 done = ~0;
 
 	if (stat == 0) {
-		handle_bad_irq(irq, desc);
+		handle_bad_irq(desc);
 		return;
 	}
 
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index bf9ed38..63318e2 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1720,6 +1720,7 @@
 	return clk_prepare_enable(as->clk);
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int atmel_spi_suspend(struct device *dev)
 {
 	struct spi_master *master = dev_get_drvdata(dev);
@@ -1756,6 +1757,7 @@
 
 	return ret;
 }
+#endif
 
 static const struct dev_pm_ops atmel_spi_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(atmel_spi_suspend, atmel_spi_resume)
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index e7874a6..3e8eeb2 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -386,14 +386,14 @@
 	/* otherwise we only allow transfers within the same page
 	 * to avoid wasting time on dma_mapping when it is not practical
 	 */
-	if (((size_t)tfr->tx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) {
+	if (((size_t)tfr->tx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) {
 		dev_warn_once(&spi->dev,
 			      "Unaligned spi tx-transfer bridging page\n");
 		return false;
 	}
-	if (((size_t)tfr->rx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) {
+	if (((size_t)tfr->rx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) {
 		dev_warn_once(&spi->dev,
-			      "Unaligned spi tx-transfer bridging page\n");
+			      "Unaligned spi rx-transfer bridging page\n");
 		return false;
 	}
 
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 3cf9faa..a85d863d 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -992,11 +992,12 @@
 		goto free_master;
 	}
 
-	dspi->irq = platform_get_irq(pdev, 0);
-	if (dspi->irq <= 0) {
+	ret = platform_get_irq(pdev, 0);
+	if (ret == 0)
 		ret = -EINVAL;
+	if (ret < 0)
 		goto free_master;
-	}
+	dspi->irq = ret;
 
 	ret = devm_request_threaded_irq(&pdev->dev, dspi->irq, davinci_spi_irq,
 				dummy_thread_fn, 0, dev_name(&pdev->dev), dspi);
diff --git a/drivers/spi/spi-meson-spifc.c b/drivers/spi/spi-meson-spifc.c
index 5468fc7..2465259 100644
--- a/drivers/spi/spi-meson-spifc.c
+++ b/drivers/spi/spi-meson-spifc.c
@@ -444,6 +444,7 @@
 	{ .compatible = "amlogic,meson6-spifc", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_spifc_dt_match);
 
 static struct platform_driver meson_spifc_driver = {
 	.probe	= meson_spifc_probe,
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 5f6315c..ecb6c58 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -85,7 +85,7 @@
 	void __iomem *base;
 	u32 state;
 	u32 pad_sel;
-	struct clk *spi_clk, *parent_clk;
+	struct clk *parent_clk, *sel_clk, *spi_clk;
 	struct spi_transfer *cur_transfer;
 	u32 xfer_len;
 	struct scatterlist *tx_sgl, *rx_sgl;
@@ -173,22 +173,6 @@
 		writel(mdata->pad_sel, mdata->base + SPI_PAD_SEL_REG);
 }
 
-static int mtk_spi_prepare_hardware(struct spi_master *master)
-{
-	struct spi_transfer *trans;
-	struct mtk_spi *mdata = spi_master_get_devdata(master);
-	struct spi_message *msg = master->cur_msg;
-
-	trans = list_first_entry(&msg->transfers, struct spi_transfer,
-				 transfer_list);
-	if (!trans->cs_change) {
-		mdata->state = MTK_SPI_IDLE;
-		mtk_spi_reset(mdata);
-	}
-
-	return 0;
-}
-
 static int mtk_spi_prepare_message(struct spi_master *master,
 				   struct spi_message *msg)
 {
@@ -228,11 +212,15 @@
 	struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
 
 	reg_val = readl(mdata->base + SPI_CMD_REG);
-	if (!enable)
+	if (!enable) {
 		reg_val |= SPI_CMD_PAUSE_EN;
-	else
+		writel(reg_val, mdata->base + SPI_CMD_REG);
+	} else {
 		reg_val &= ~SPI_CMD_PAUSE_EN;
-	writel(reg_val, mdata->base + SPI_CMD_REG);
+		writel(reg_val, mdata->base + SPI_CMD_REG);
+		mdata->state = MTK_SPI_IDLE;
+		mtk_spi_reset(mdata);
+	}
 }
 
 static void mtk_spi_prepare_transfer(struct spi_master *master,
@@ -509,7 +497,6 @@
 	master->mode_bits = SPI_CPOL | SPI_CPHA;
 
 	master->set_cs = mtk_spi_set_cs;
-	master->prepare_transfer_hardware = mtk_spi_prepare_hardware;
 	master->prepare_message = mtk_spi_prepare_message;
 	master->transfer_one = mtk_spi_transfer_one;
 	master->can_dma = mtk_spi_can_dma;
@@ -576,13 +563,6 @@
 		goto err_put_master;
 	}
 
-	mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk");
-	if (IS_ERR(mdata->spi_clk)) {
-		ret = PTR_ERR(mdata->spi_clk);
-		dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret);
-		goto err_put_master;
-	}
-
 	mdata->parent_clk = devm_clk_get(&pdev->dev, "parent-clk");
 	if (IS_ERR(mdata->parent_clk)) {
 		ret = PTR_ERR(mdata->parent_clk);
@@ -590,13 +570,27 @@
 		goto err_put_master;
 	}
 
+	mdata->sel_clk = devm_clk_get(&pdev->dev, "sel-clk");
+	if (IS_ERR(mdata->sel_clk)) {
+		ret = PTR_ERR(mdata->sel_clk);
+		dev_err(&pdev->dev, "failed to get sel-clk: %d\n", ret);
+		goto err_put_master;
+	}
+
+	mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk");
+	if (IS_ERR(mdata->spi_clk)) {
+		ret = PTR_ERR(mdata->spi_clk);
+		dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret);
+		goto err_put_master;
+	}
+
 	ret = clk_prepare_enable(mdata->spi_clk);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to enable spi_clk (%d)\n", ret);
 		goto err_put_master;
 	}
 
-	ret = clk_set_parent(mdata->spi_clk, mdata->parent_clk);
+	ret = clk_set_parent(mdata->sel_clk, mdata->parent_clk);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to clk_set_parent (%d)\n", ret);
 		goto err_disable_clk;
@@ -630,7 +624,6 @@
 	pm_runtime_disable(&pdev->dev);
 
 	mtk_spi_reset(mdata);
-	clk_disable_unprepare(mdata->spi_clk);
 	spi_master_put(master);
 
 	return 0;
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index fdd79197..a8ef38e 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -654,6 +654,10 @@
 	if (!(sccr1_reg & SSCR1_TIE))
 		mask &= ~SSSR_TFS;
 
+	/* Ignore RX timeout interrupt if it is disabled */
+	if (!(sccr1_reg & SSCR1_TINTE))
+		mask &= ~SSSR_TINT;
+
 	if (!(status & mask))
 		return IRQ_NONE;
 
diff --git a/drivers/spi/spi-xtensa-xtfpga.c b/drivers/spi/spi-xtensa-xtfpga.c
index 2e32ea2..be6155c 100644
--- a/drivers/spi/spi-xtensa-xtfpga.c
+++ b/drivers/spi/spi-xtensa-xtfpga.c
@@ -34,13 +34,13 @@
 static inline void xtfpga_spi_write32(const struct xtfpga_spi *spi,
 				      unsigned addr, u32 val)
 {
-	iowrite32(val, spi->regs + addr);
+	__raw_writel(val, spi->regs + addr);
 }
 
 static inline unsigned int xtfpga_spi_read32(const struct xtfpga_spi *spi,
 					     unsigned addr)
 {
-	return ioread32(spi->regs + addr);
+	return __raw_readl(spi->regs + addr);
 }
 
 static inline void xtfpga_spi_wait_busy(struct xtfpga_spi *xspi)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 3abb390..a5f53de 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1610,8 +1610,7 @@
  *
  * The caller is responsible for assigning the bus number and initializing
  * the master's methods before calling spi_register_master(); and (after errors
- * adding the device) calling spi_master_put() and kfree() to prevent a memory
- * leak.
+ * adding the device) calling spi_master_put() to prevent a memory leak.
  */
 struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
 {
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index fba92a5..ef008e5 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -651,7 +651,8 @@
 		kfree(spidev->rx_buffer);
 		spidev->rx_buffer = NULL;
 
-		spidev->speed_hz = spidev->spi->max_speed_hz;
+		if (spidev->spi)
+			spidev->speed_hz = spidev->spi->max_speed_hz;
 
 		/* ... after we unbound from the underlying device? */
 		spin_lock_irq(&spidev->spi_lock);
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index bdfb3c8..4a3cf9b 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -451,7 +451,7 @@
 	}
 }
 
-static void pmic_arb_chained_irq(unsigned int irq, struct irq_desc *desc)
+static void pmic_arb_chained_irq(struct irq_desc *desc)
 {
 	struct spmi_pmic_arb_dev *pa = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
diff --git a/drivers/staging/android/TODO b/drivers/staging/android/TODO
index 20288fc..8f3ac37 100644
--- a/drivers/staging/android/TODO
+++ b/drivers/staging/android/TODO
@@ -5,5 +5,25 @@
 	- add proper arch dependencies as needed
 	- audit userspace interfaces to make sure they are sane
 
+
+ion/
+ - Remove ION_IOC_SYNC: Flushing for devices should be purely a kernel internal
+   interface on top of dma-buf. flush_for_device needs to be added to dma-buf
+   first.
+ - Remove ION_IOC_CUSTOM: Atm used for cache flushing for cpu access in some
+   vendor trees. Should be replaced with an ioctl on the dma-buf to expose the
+   begin/end_cpu_access hooks to userspace.
+ - Clarify the tricks ion plays with explicitly managing coherency behind the
+   dma api's back (this is absolutely needed for high-perf gpu drivers): Add an
+   explicit coherency management mode to flush_for_device to be used by drivers
+   which want to manage caches themselves and which indicates whether cpu caches
+   need flushing.
+ - With those removed there's probably no use for ION_IOC_IMPORT anymore either
+   since ion would just be the central allocator for shared buffers.
+ - Add dt-binding to expose cma regions as ion heaps, with the rule that any
+   such cma regions must already be used by some device for dma. I.e. ion only
+   exposes existing cma regions and doesn't reserve unecessarily memory when
+   booting a system which doesn't use ion.
+
 Please send patches to Greg Kroah-Hartman <greg@kroah.com> and Cc:
 Arve Hjønnevåg <arve@android.com> and Riley Andrews <riandrews@android.com>
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 217aa53..6e8d839 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -1179,13 +1179,13 @@
 		mutex_unlock(&client->lock);
 		goto end;
 	}
-	mutex_unlock(&client->lock);
 
 	handle = ion_handle_create(client, buffer);
-	if (IS_ERR(handle))
+	if (IS_ERR(handle)) {
+		mutex_unlock(&client->lock);
 		goto end;
+	}
 
-	mutex_lock(&client->lock);
 	ret = ion_handle_add(client, handle);
 	mutex_unlock(&client->lock);
 	if (ret) {
diff --git a/drivers/staging/fbtft/fb_uc1611.c b/drivers/staging/fbtft/fb_uc1611.c
index 32f3a9d..5cafa50 100644
--- a/drivers/staging/fbtft/fb_uc1611.c
+++ b/drivers/staging/fbtft/fb_uc1611.c
@@ -76,7 +76,7 @@
 
 	/* Set CS active high */
 	par->spi->mode |= SPI_CS_HIGH;
-	ret = par->spi->master->setup(par->spi);
+	ret = spi_setup(par->spi);
 	if (ret) {
 		dev_err(par->info->device, "Could not set SPI_CS_HIGH\n");
 		return ret;
diff --git a/drivers/staging/fbtft/fb_watterott.c b/drivers/staging/fbtft/fb_watterott.c
index 88fb2c0..8eae6ef 100644
--- a/drivers/staging/fbtft/fb_watterott.c
+++ b/drivers/staging/fbtft/fb_watterott.c
@@ -169,7 +169,7 @@
 	/* enable SPI interface by having CS and MOSI low during reset */
 	save_mode = par->spi->mode;
 	par->spi->mode |= SPI_CS_HIGH;
-	ret = par->spi->master->setup(par->spi); /* set CS inactive low */
+	ret = spi_setup(par->spi); /* set CS inactive low */
 	if (ret) {
 		dev_err(par->info->device, "Could not set SPI_CS_HIGH\n");
 		return ret;
@@ -180,7 +180,7 @@
 	par->fbtftops.reset(par);
 	mdelay(1000);
 	par->spi->mode = save_mode;
-	ret = par->spi->master->setup(par->spi);
+	ret = spi_setup(par->spi);
 	if (ret) {
 		dev_err(par->info->device, "Could not restore SPI mode\n");
 		return ret;
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 23392eb..7f5fa3d 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -1436,15 +1436,11 @@
 
 	/* 9-bit SPI setup */
 	if (par->spi && display->buswidth == 9) {
-		par->spi->bits_per_word = 9;
-		ret = par->spi->master->setup(par->spi);
-		if (ret) {
+		if (par->spi->master->bits_per_word_mask & SPI_BPW_MASK(9)) {
+			par->spi->bits_per_word = 9;
+		} else {
 			dev_warn(&par->spi->dev,
 				"9-bit SPI not available, emulating using 8-bit.\n");
-			par->spi->bits_per_word = 8;
-			ret = par->spi->master->setup(par->spi);
-			if (ret)
-				goto out_release;
 			/* allocate buffer with room for dc bits */
 			par->extra = devm_kzalloc(par->info->device,
 				par->txbuf.len + (par->txbuf.len / 8) + 8,
diff --git a/drivers/staging/fbtft/flexfb.c b/drivers/staging/fbtft/flexfb.c
index c763efc..3f380a0 100644
--- a/drivers/staging/fbtft/flexfb.c
+++ b/drivers/staging/fbtft/flexfb.c
@@ -463,15 +463,12 @@
 			}
 			par->fbtftops.write_register = fbtft_write_reg8_bus9;
 			par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
-			sdev->bits_per_word = 9;
-			ret = sdev->master->setup(sdev);
-			if (ret) {
+			if (par->spi->master->bits_per_word_mask
+			    & SPI_BPW_MASK(9)) {
+				par->spi->bits_per_word = 9;
+			} else {
 				dev_warn(dev,
 					"9-bit SPI not available, emulating using 8-bit.\n");
-				sdev->bits_per_word = 8;
-				ret = sdev->master->setup(sdev);
-				if (ret)
-					goto out_release;
 				/* allocate buffer with room for dc bits */
 				par->extra = devm_kzalloc(par->info->device,
 						par->txbuf.len + (par->txbuf.len / 8) + 8,
diff --git a/drivers/staging/lustre/README.txt b/drivers/staging/lustre/README.txt
index cf0ca50..0676243 100644
--- a/drivers/staging/lustre/README.txt
+++ b/drivers/staging/lustre/README.txt
@@ -14,10 +14,8 @@
 Lustre has independent Metadata and Data servers that clients can access
 in parallel to maximize performance.
 
-In order to use Lustre client you will need to download lustre client
-tools from
-https://downloads.hpdd.intel.com/public/lustre/latest-feature-release/
-the package name is lustre-client.
+In order to use Lustre client you will need to download the "lustre-client"
+package that contains the userspace tools from http://lustre.org/download/
 
 You will need to install and configure your Lustre servers separately.
 
@@ -76,12 +74,10 @@
 
 More Information
 ================
-You can get more information at
-OpenSFS website: http://lustre.opensfs.org/about/
-Intel HPDD wiki: https://wiki.hpdd.intel.com
+You can get more information at the Lustre website: http://wiki.lustre.org/
 
-Out of tree Lustre client and server code is available at:
-http://git.whamcloud.com/fs/lustre-release.git
+Source for the userspace tools and out-of-tree client and server code
+is available at: http://git.hpdd.intel.com/fs/lustre-release.git
 
 Latest binary packages:
-http://lustre.opensfs.org/download-lustre/
+http://lustre.org/download/
diff --git a/drivers/staging/most/Kconfig b/drivers/staging/most/Kconfig
index d50de03..0b9b9b5 100644
--- a/drivers/staging/most/Kconfig
+++ b/drivers/staging/most/Kconfig
@@ -1,5 +1,6 @@
 menuconfig MOST
         tristate "MOST driver"
+	depends on HAS_DMA
         select MOSTCORE
         default n
         ---help---
diff --git a/drivers/staging/most/hdm-dim2/Kconfig b/drivers/staging/most/hdm-dim2/Kconfig
index 1d4ad1d..fc54876 100644
--- a/drivers/staging/most/hdm-dim2/Kconfig
+++ b/drivers/staging/most/hdm-dim2/Kconfig
@@ -5,6 +5,7 @@
 config HDM_DIM2
 	tristate "DIM2 HDM"
 	depends on AIM_NETWORK
+	depends on HAS_IOMEM
 
 	---help---
 	  Say Y here if you want to connect via MediaLB to network transceiver.
diff --git a/drivers/staging/most/hdm-usb/Kconfig b/drivers/staging/most/hdm-usb/Kconfig
index a482c3f..ec15463 100644
--- a/drivers/staging/most/hdm-usb/Kconfig
+++ b/drivers/staging/most/hdm-usb/Kconfig
@@ -4,7 +4,7 @@
 
 config HDM_USB
 	tristate "USB HDM"
-	depends on USB
+	depends on USB && NET
 	select AIM_NETWORK
 	---help---
 	  Say Y here if you want to connect via USB to network tranceiver.
diff --git a/drivers/staging/most/mostcore/Kconfig b/drivers/staging/most/mostcore/Kconfig
index 38abf1b..4717254 100644
--- a/drivers/staging/most/mostcore/Kconfig
+++ b/drivers/staging/most/mostcore/Kconfig
@@ -4,6 +4,7 @@
 
 config MOSTCORE
 	tristate "MOST Core"
+	depends on HAS_DMA
 
 	---help---
 	  Say Y here if you want to enable MOST support.
diff --git a/drivers/staging/rdma/Kconfig b/drivers/staging/rdma/Kconfig
index cf5fe9b..d7f6235 100644
--- a/drivers/staging/rdma/Kconfig
+++ b/drivers/staging/rdma/Kconfig
@@ -24,6 +24,8 @@
 
 source "drivers/staging/rdma/amso1100/Kconfig"
 
+source "drivers/staging/rdma/ehca/Kconfig"
+
 source "drivers/staging/rdma/hfi1/Kconfig"
 
 source "drivers/staging/rdma/ipath/Kconfig"
diff --git a/drivers/staging/rdma/Makefile b/drivers/staging/rdma/Makefile
index cbd915a..139d78e 100644
--- a/drivers/staging/rdma/Makefile
+++ b/drivers/staging/rdma/Makefile
@@ -1,4 +1,5 @@
 # Entries for RDMA_STAGING tree
 obj-$(CONFIG_INFINIBAND_AMSO1100)	+= amso1100/
+obj-$(CONFIG_INFINIBAND_EHCA)	+= ehca/
 obj-$(CONFIG_INFINIBAND_HFI1)	+= hfi1/
 obj-$(CONFIG_INFINIBAND_IPATH)	+= ipath/
diff --git a/drivers/infiniband/hw/ehca/Kconfig b/drivers/staging/rdma/ehca/Kconfig
similarity index 69%
rename from drivers/infiniband/hw/ehca/Kconfig
rename to drivers/staging/rdma/ehca/Kconfig
index 59f807d..3fadd2a 100644
--- a/drivers/infiniband/hw/ehca/Kconfig
+++ b/drivers/staging/rdma/ehca/Kconfig
@@ -2,7 +2,8 @@
 	tristate "eHCA support"
 	depends on IBMEBUS
 	---help---
-	This driver supports the IBM pSeries eHCA InfiniBand adapter.
+	This driver supports the deprecated IBM pSeries eHCA InfiniBand
+	adapter.
 
 	To compile the driver as a module, choose M here. The module
 	will be called ib_ehca.
diff --git a/drivers/infiniband/hw/ehca/Makefile b/drivers/staging/rdma/ehca/Makefile
similarity index 100%
rename from drivers/infiniband/hw/ehca/Makefile
rename to drivers/staging/rdma/ehca/Makefile
diff --git a/drivers/staging/rdma/ehca/TODO b/drivers/staging/rdma/ehca/TODO
new file mode 100644
index 0000000..199a4a6
--- /dev/null
+++ b/drivers/staging/rdma/ehca/TODO
@@ -0,0 +1,4 @@
+9/2015
+
+The ehca driver has been deprecated and moved to drivers/staging/rdma.
+It will be removed in the 4.6 merge window.
diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/staging/rdma/ehca/ehca_av.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_av.c
rename to drivers/staging/rdma/ehca/ehca_av.c
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/staging/rdma/ehca/ehca_classes.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_classes.h
rename to drivers/staging/rdma/ehca/ehca_classes.h
diff --git a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h b/drivers/staging/rdma/ehca/ehca_classes_pSeries.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
rename to drivers/staging/rdma/ehca/ehca_classes_pSeries.h
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/staging/rdma/ehca/ehca_cq.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_cq.c
rename to drivers/staging/rdma/ehca/ehca_cq.c
diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/staging/rdma/ehca/ehca_eq.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_eq.c
rename to drivers/staging/rdma/ehca/ehca_eq.c
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/staging/rdma/ehca/ehca_hca.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_hca.c
rename to drivers/staging/rdma/ehca/ehca_hca.c
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/staging/rdma/ehca/ehca_irq.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_irq.c
rename to drivers/staging/rdma/ehca/ehca_irq.c
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.h b/drivers/staging/rdma/ehca/ehca_irq.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_irq.h
rename to drivers/staging/rdma/ehca/ehca_irq.h
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/staging/rdma/ehca/ehca_iverbs.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_iverbs.h
rename to drivers/staging/rdma/ehca/ehca_iverbs.h
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/staging/rdma/ehca/ehca_main.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_main.c
rename to drivers/staging/rdma/ehca/ehca_main.c
diff --git a/drivers/infiniband/hw/ehca/ehca_mcast.c b/drivers/staging/rdma/ehca/ehca_mcast.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_mcast.c
rename to drivers/staging/rdma/ehca/ehca_mcast.c
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/staging/rdma/ehca/ehca_mrmw.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_mrmw.c
rename to drivers/staging/rdma/ehca/ehca_mrmw.c
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.h b/drivers/staging/rdma/ehca/ehca_mrmw.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_mrmw.h
rename to drivers/staging/rdma/ehca/ehca_mrmw.h
diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/staging/rdma/ehca/ehca_pd.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_pd.c
rename to drivers/staging/rdma/ehca/ehca_pd.c
diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/staging/rdma/ehca/ehca_qes.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_qes.h
rename to drivers/staging/rdma/ehca/ehca_qes.h
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/staging/rdma/ehca/ehca_qp.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_qp.c
rename to drivers/staging/rdma/ehca/ehca_qp.c
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/staging/rdma/ehca/ehca_reqs.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_reqs.c
rename to drivers/staging/rdma/ehca/ehca_reqs.c
diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/staging/rdma/ehca/ehca_sqp.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_sqp.c
rename to drivers/staging/rdma/ehca/ehca_sqp.c
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/staging/rdma/ehca/ehca_tools.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_tools.h
rename to drivers/staging/rdma/ehca/ehca_tools.h
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/staging/rdma/ehca/ehca_uverbs.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ehca_uverbs.c
rename to drivers/staging/rdma/ehca/ehca_uverbs.c
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/staging/rdma/ehca/hcp_if.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/hcp_if.c
rename to drivers/staging/rdma/ehca/hcp_if.c
diff --git a/drivers/infiniband/hw/ehca/hcp_if.h b/drivers/staging/rdma/ehca/hcp_if.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/hcp_if.h
rename to drivers/staging/rdma/ehca/hcp_if.h
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.c b/drivers/staging/rdma/ehca/hcp_phyp.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/hcp_phyp.c
rename to drivers/staging/rdma/ehca/hcp_phyp.c
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.h b/drivers/staging/rdma/ehca/hcp_phyp.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/hcp_phyp.h
rename to drivers/staging/rdma/ehca/hcp_phyp.h
diff --git a/drivers/infiniband/hw/ehca/hipz_fns.h b/drivers/staging/rdma/ehca/hipz_fns.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/hipz_fns.h
rename to drivers/staging/rdma/ehca/hipz_fns.h
diff --git a/drivers/infiniband/hw/ehca/hipz_fns_core.h b/drivers/staging/rdma/ehca/hipz_fns_core.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/hipz_fns_core.h
rename to drivers/staging/rdma/ehca/hipz_fns_core.h
diff --git a/drivers/infiniband/hw/ehca/hipz_hw.h b/drivers/staging/rdma/ehca/hipz_hw.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/hipz_hw.h
rename to drivers/staging/rdma/ehca/hipz_hw.h
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/staging/rdma/ehca/ipz_pt_fn.c
similarity index 100%
rename from drivers/infiniband/hw/ehca/ipz_pt_fn.c
rename to drivers/staging/rdma/ehca/ipz_pt_fn.c
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.h b/drivers/staging/rdma/ehca/ipz_pt_fn.h
similarity index 100%
rename from drivers/infiniband/hw/ehca/ipz_pt_fn.h
rename to drivers/staging/rdma/ehca/ipz_pt_fn.h
diff --git a/drivers/staging/rdma/hfi1/chip.c b/drivers/staging/rdma/hfi1/chip.c
index 654eafe..aa58e59 100644
--- a/drivers/staging/rdma/hfi1/chip.c
+++ b/drivers/staging/rdma/hfi1/chip.c
@@ -2710,7 +2710,7 @@
 	if (sleep_ok) {
 		mutex_lock(&ppd->hls_lock);
 	} else {
-		while (mutex_trylock(&ppd->hls_lock) == EBUSY)
+		while (!mutex_trylock(&ppd->hls_lock))
 			udelay(1);
 	}
 
@@ -2758,7 +2758,7 @@
 	if (sleep_ok) {
 		mutex_lock(&dd->pport->hls_lock);
 	} else {
-		while (mutex_trylock(&dd->pport->hls_lock) == EBUSY)
+		while (!mutex_trylock(&dd->pport->hls_lock))
 			udelay(1);
 	}
 
diff --git a/drivers/staging/rdma/hfi1/device.c b/drivers/staging/rdma/hfi1/device.c
index 07c87a87..bc26a53 100644
--- a/drivers/staging/rdma/hfi1/device.c
+++ b/drivers/staging/rdma/hfi1/device.c
@@ -57,11 +57,13 @@
 #include "device.h"
 
 static struct class *class;
+static struct class *user_class;
 static dev_t hfi1_dev;
 
 int hfi1_cdev_init(int minor, const char *name,
 		   const struct file_operations *fops,
-		   struct cdev *cdev, struct device **devp)
+		   struct cdev *cdev, struct device **devp,
+		   bool user_accessible)
 {
 	const dev_t dev = MKDEV(MAJOR(hfi1_dev), minor);
 	struct device *device = NULL;
@@ -78,7 +80,11 @@
 		goto done;
 	}
 
-	device = device_create(class, NULL, dev, NULL, "%s", name);
+	if (user_accessible)
+		device = device_create(user_class, NULL, dev, NULL, "%s", name);
+	else
+		device = device_create(class, NULL, dev, NULL, "%s", name);
+
 	if (!IS_ERR(device))
 		goto done;
 	ret = PTR_ERR(device);
@@ -110,6 +116,26 @@
 	return hfi1_class_name;
 }
 
+static char *hfi1_devnode(struct device *dev, umode_t *mode)
+{
+	if (mode)
+		*mode = 0600;
+	return kasprintf(GFP_KERNEL, "%s", dev_name(dev));
+}
+
+static const char *hfi1_class_name_user = "hfi1_user";
+const char *class_name_user(void)
+{
+	return hfi1_class_name_user;
+}
+
+static char *hfi1_user_devnode(struct device *dev, umode_t *mode)
+{
+	if (mode)
+		*mode = 0666;
+	return kasprintf(GFP_KERNEL, "%s", dev_name(dev));
+}
+
 int __init dev_init(void)
 {
 	int ret;
@@ -125,7 +151,22 @@
 		ret = PTR_ERR(class);
 		pr_err("Could not create device class (err %d)\n", -ret);
 		unregister_chrdev_region(hfi1_dev, HFI1_NMINORS);
+		goto done;
 	}
+	class->devnode = hfi1_devnode;
+
+	user_class = class_create(THIS_MODULE, class_name_user());
+	if (IS_ERR(user_class)) {
+		ret = PTR_ERR(user_class);
+		pr_err("Could not create device class for user accessible files (err %d)\n",
+		       -ret);
+		class_destroy(class);
+		class = NULL;
+		user_class = NULL;
+		unregister_chrdev_region(hfi1_dev, HFI1_NMINORS);
+		goto done;
+	}
+	user_class->devnode = hfi1_user_devnode;
 
 done:
 	return ret;
@@ -133,10 +174,11 @@
 
 void dev_cleanup(void)
 {
-	if (class) {
-		class_destroy(class);
-		class = NULL;
-	}
+	class_destroy(class);
+	class = NULL;
+
+	class_destroy(user_class);
+	user_class = NULL;
 
 	unregister_chrdev_region(hfi1_dev, HFI1_NMINORS);
 }
diff --git a/drivers/staging/rdma/hfi1/device.h b/drivers/staging/rdma/hfi1/device.h
index 98caecd..2850ff7 100644
--- a/drivers/staging/rdma/hfi1/device.h
+++ b/drivers/staging/rdma/hfi1/device.h
@@ -52,7 +52,8 @@
 
 int hfi1_cdev_init(int minor, const char *name,
 		   const struct file_operations *fops,
-		   struct cdev *cdev, struct device **devp);
+		   struct cdev *cdev, struct device **devp,
+		   bool user_accessible);
 void hfi1_cdev_cleanup(struct cdev *cdev, struct device **devp);
 const char *class_name(void);
 int __init dev_init(void);
diff --git a/drivers/staging/rdma/hfi1/diag.c b/drivers/staging/rdma/hfi1/diag.c
index 6777d6b..3e8d5ac 100644
--- a/drivers/staging/rdma/hfi1/diag.c
+++ b/drivers/staging/rdma/hfi1/diag.c
@@ -292,7 +292,7 @@
 	if (atomic_inc_return(&diagpkt_count) == 1) {
 		ret = hfi1_cdev_init(HFI1_DIAGPKT_MINOR, name,
 				     &diagpkt_file_ops, &diagpkt_cdev,
-				     &diagpkt_device);
+				     &diagpkt_device, false);
 	}
 
 	return ret;
@@ -592,7 +592,8 @@
 
 	ret = hfi1_cdev_init(HFI1_SNOOP_CAPTURE_BASE + dd->unit, name,
 			     &snoop_file_ops,
-			     &dd->hfi1_snoop.cdev, &dd->hfi1_snoop.class_dev);
+			     &dd->hfi1_snoop.cdev, &dd->hfi1_snoop.class_dev,
+			     false);
 
 	if (ret) {
 		dd_dev_err(dd, "Couldn't create %s device: %d", name, ret);
@@ -1012,11 +1013,10 @@
 		case HFI1_SNOOP_IOCSETLINKSTATE_EXTRA:
 			memset(&link_info, 0, sizeof(link_info));
 
-			ret = copy_from_user(&link_info,
+			if (copy_from_user(&link_info,
 				(struct hfi1_link_info __user *)arg,
-				sizeof(link_info));
-			if (ret)
-				break;
+				sizeof(link_info)))
+				ret = -EFAULT;
 
 			value = link_info.port_state;
 			index = link_info.port_number;
@@ -1080,9 +1080,10 @@
 		case HFI1_SNOOP_IOCGETLINKSTATE_EXTRA:
 			if (cmd == HFI1_SNOOP_IOCGETLINKSTATE_EXTRA) {
 				memset(&link_info, 0, sizeof(link_info));
-				ret = copy_from_user(&link_info,
+				if (copy_from_user(&link_info,
 					(struct hfi1_link_info __user *)arg,
-					sizeof(link_info));
+					sizeof(link_info)))
+					ret = -EFAULT;
 				index = link_info.port_number;
 			} else {
 				ret = __get_user(index, (int __user *) arg);
@@ -1114,9 +1115,10 @@
 							ppd->link_speed_active;
 				link_info.link_width_active =
 							ppd->link_width_active;
-				ret = copy_to_user(
+				if (copy_to_user(
 					(struct hfi1_link_info __user *)arg,
-					&link_info, sizeof(link_info));
+					&link_info, sizeof(link_info)))
+					ret = -EFAULT;
 			} else {
 				ret = __put_user(value, (int __user *)arg);
 			}
@@ -1142,10 +1144,9 @@
 			snoop_dbg("Setting filter");
 			/* just copy command structure */
 			argp = (unsigned long *)arg;
-			ret = copy_from_user(&filter_cmd, (void __user *)argp,
-					     sizeof(filter_cmd));
-			if (ret < 0) {
-				pr_alert("Error copying filter command\n");
+			if (copy_from_user(&filter_cmd, (void __user *)argp,
+					     sizeof(filter_cmd))) {
+				ret = -EFAULT;
 				break;
 			}
 			if (filter_cmd.opcode >= HFI1_MAX_FILTERS) {
@@ -1167,12 +1168,11 @@
 				break;
 			}
 			/* copy remaining data from userspace */
-			ret = copy_from_user((u8 *)filter_value,
+			if (copy_from_user((u8 *)filter_value,
 					(void __user *)filter_cmd.value_ptr,
-					filter_cmd.length);
-			if (ret < 0) {
+					filter_cmd.length)) {
 				kfree(filter_value);
-				pr_alert("Error copying filter data\n");
+				ret = -EFAULT;
 				break;
 			}
 			/* Drain packets first */
diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c
index 4698617..72d3850 100644
--- a/drivers/staging/rdma/hfi1/file_ops.c
+++ b/drivers/staging/rdma/hfi1/file_ops.c
@@ -1181,6 +1181,7 @@
 	struct hfi1_filedata *fd = fp->private_data;
 	int ret = 0;
 
+	memset(&cinfo, 0, sizeof(cinfo));
 	ret = hfi1_get_base_kinfo(uctxt, &cinfo);
 	if (ret < 0)
 		goto done;
@@ -2089,14 +2090,16 @@
 
 	if (atomic_inc_return(&user_count) == 1) {
 		ret = hfi1_cdev_init(0, class_name(), &hfi1_file_ops,
-				     &wildcard_cdev, &wildcard_device);
+				     &wildcard_cdev, &wildcard_device,
+				     true);
 		if (ret)
 			goto done;
 	}
 
 	snprintf(name, sizeof(name), "%s_%d", class_name(), dd->unit);
 	ret = hfi1_cdev_init(dd->unit + 1, name, &hfi1_file_ops,
-			     &dd->user_cdev, &dd->user_device);
+			     &dd->user_cdev, &dd->user_device,
+			     true);
 	if (ret)
 		goto done;
 
@@ -2104,7 +2107,8 @@
 		snprintf(name, sizeof(name),
 			 "%s_ui%d", class_name(), dd->unit);
 		ret = hfi1_cdev_init(dd->unit + UI_OFFSET, name, &ui_file_ops,
-				     &dd->ui_cdev, &dd->ui_device);
+				     &dd->ui_cdev, &dd->ui_device,
+				     false);
 		if (ret)
 			goto done;
 	}
diff --git a/drivers/staging/rdma/hfi1/mad.c b/drivers/staging/rdma/hfi1/mad.c
index 37269eb..b2c1b72 100644
--- a/drivers/staging/rdma/hfi1/mad.c
+++ b/drivers/staging/rdma/hfi1/mad.c
@@ -1717,9 +1717,9 @@
 	psi->port_states.portphysstate_portstate =
 		(hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf);
 	psi->link_width_downgrade_tx_active =
-	  ppd->link_width_downgrade_tx_active;
+		cpu_to_be16(ppd->link_width_downgrade_tx_active);
 	psi->link_width_downgrade_rx_active =
-	  ppd->link_width_downgrade_rx_active;
+		cpu_to_be16(ppd->link_width_downgrade_rx_active);
 	if (resp_len)
 		*resp_len += sizeof(struct opa_port_state_info);
 
diff --git a/drivers/staging/rdma/hfi1/sdma.c b/drivers/staging/rdma/hfi1/sdma.c
index a8c903c..aecd1a7 100644
--- a/drivers/staging/rdma/hfi1/sdma.c
+++ b/drivers/staging/rdma/hfi1/sdma.c
@@ -737,7 +737,7 @@
 	 */
 	if (!is_power_of_2(count))
 		return SDMA_DESCQ_CNT;
-	if (count < 64 && count > 32768)
+	if (count < 64 || count > 32768)
 		return SDMA_DESCQ_CNT;
 	return count;
 }
@@ -1848,7 +1848,7 @@
 			dd_dev_err(sde->dd,
 				"\taidx: %u amode: %u alen: %u\n",
 				(u8)((desc[1] & SDMA_DESC1_HEADER_INDEX_SMASK)
-					>> SDMA_DESC1_HEADER_INDEX_MASK),
+					>> SDMA_DESC1_HEADER_INDEX_SHIFT),
 				(u8)((desc[1] & SDMA_DESC1_HEADER_MODE_SMASK)
 					>> SDMA_DESC1_HEADER_MODE_SHIFT),
 				(u8)((desc[1] & SDMA_DESC1_HEADER_DWS_SMASK)
@@ -1926,7 +1926,7 @@
 		if (desc[0] & SDMA_DESC0_FIRST_DESC_FLAG)
 			seq_printf(s, "\t\tahgidx: %u ahgmode: %u\n",
 				(u8)((desc[1] & SDMA_DESC1_HEADER_INDEX_SMASK)
-					>> SDMA_DESC1_HEADER_INDEX_MASK),
+					>> SDMA_DESC1_HEADER_INDEX_SHIFT),
 				(u8)((desc[1] & SDMA_DESC1_HEADER_MODE_SMASK)
 					>> SDMA_DESC1_HEADER_MODE_SHIFT));
 		head = (head + 1) & sde->sdma_mask;
diff --git a/drivers/staging/rdma/hfi1/sdma.h b/drivers/staging/rdma/hfi1/sdma.h
index 1e613fc..4960869 100644
--- a/drivers/staging/rdma/hfi1/sdma.h
+++ b/drivers/staging/rdma/hfi1/sdma.h
@@ -109,53 +109,53 @@
 /*
  * Bits defined in the send DMA descriptor.
  */
-#define SDMA_DESC0_FIRST_DESC_FLAG      (1ULL<<63)
-#define SDMA_DESC0_LAST_DESC_FLAG       (1ULL<<62)
+#define SDMA_DESC0_FIRST_DESC_FLAG      (1ULL << 63)
+#define SDMA_DESC0_LAST_DESC_FLAG       (1ULL << 62)
 #define SDMA_DESC0_BYTE_COUNT_SHIFT     48
 #define SDMA_DESC0_BYTE_COUNT_WIDTH     14
 #define SDMA_DESC0_BYTE_COUNT_MASK \
-	((1ULL<<SDMA_DESC0_BYTE_COUNT_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC0_BYTE_COUNT_WIDTH) - 1)
 #define SDMA_DESC0_BYTE_COUNT_SMASK \
-	(SDMA_DESC0_BYTE_COUNT_MASK<<SDMA_DESC0_BYTE_COUNT_SHIFT)
+	(SDMA_DESC0_BYTE_COUNT_MASK << SDMA_DESC0_BYTE_COUNT_SHIFT)
 #define SDMA_DESC0_PHY_ADDR_SHIFT       0
 #define SDMA_DESC0_PHY_ADDR_WIDTH       48
 #define SDMA_DESC0_PHY_ADDR_MASK \
-	((1ULL<<SDMA_DESC0_PHY_ADDR_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC0_PHY_ADDR_WIDTH) - 1)
 #define SDMA_DESC0_PHY_ADDR_SMASK \
-	(SDMA_DESC0_PHY_ADDR_MASK<<SDMA_DESC0_PHY_ADDR_SHIFT)
+	(SDMA_DESC0_PHY_ADDR_MASK << SDMA_DESC0_PHY_ADDR_SHIFT)
 
 #define SDMA_DESC1_HEADER_UPDATE1_SHIFT 32
 #define SDMA_DESC1_HEADER_UPDATE1_WIDTH 32
 #define SDMA_DESC1_HEADER_UPDATE1_MASK \
-	((1ULL<<SDMA_DESC1_HEADER_UPDATE1_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC1_HEADER_UPDATE1_WIDTH) - 1)
 #define SDMA_DESC1_HEADER_UPDATE1_SMASK \
-	(SDMA_DESC1_HEADER_UPDATE1_MASK<<SDMA_DESC1_HEADER_UPDATE1_SHIFT)
+	(SDMA_DESC1_HEADER_UPDATE1_MASK << SDMA_DESC1_HEADER_UPDATE1_SHIFT)
 #define SDMA_DESC1_HEADER_MODE_SHIFT    13
 #define SDMA_DESC1_HEADER_MODE_WIDTH    3
 #define SDMA_DESC1_HEADER_MODE_MASK \
-	((1ULL<<SDMA_DESC1_HEADER_MODE_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC1_HEADER_MODE_WIDTH) - 1)
 #define SDMA_DESC1_HEADER_MODE_SMASK \
-	(SDMA_DESC1_HEADER_MODE_MASK<<SDMA_DESC1_HEADER_MODE_SHIFT)
+	(SDMA_DESC1_HEADER_MODE_MASK << SDMA_DESC1_HEADER_MODE_SHIFT)
 #define SDMA_DESC1_HEADER_INDEX_SHIFT   8
 #define SDMA_DESC1_HEADER_INDEX_WIDTH   5
 #define SDMA_DESC1_HEADER_INDEX_MASK \
-	((1ULL<<SDMA_DESC1_HEADER_INDEX_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC1_HEADER_INDEX_WIDTH) - 1)
 #define SDMA_DESC1_HEADER_INDEX_SMASK \
-	(SDMA_DESC1_HEADER_INDEX_MASK<<SDMA_DESC1_HEADER_INDEX_SHIFT)
+	(SDMA_DESC1_HEADER_INDEX_MASK << SDMA_DESC1_HEADER_INDEX_SHIFT)
 #define SDMA_DESC1_HEADER_DWS_SHIFT     4
 #define SDMA_DESC1_HEADER_DWS_WIDTH     4
 #define SDMA_DESC1_HEADER_DWS_MASK \
-	((1ULL<<SDMA_DESC1_HEADER_DWS_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC1_HEADER_DWS_WIDTH) - 1)
 #define SDMA_DESC1_HEADER_DWS_SMASK \
-	(SDMA_DESC1_HEADER_DWS_MASK<<SDMA_DESC1_HEADER_DWS_SHIFT)
+	(SDMA_DESC1_HEADER_DWS_MASK << SDMA_DESC1_HEADER_DWS_SHIFT)
 #define SDMA_DESC1_GENERATION_SHIFT     2
 #define SDMA_DESC1_GENERATION_WIDTH     2
 #define SDMA_DESC1_GENERATION_MASK \
-	((1ULL<<SDMA_DESC1_GENERATION_WIDTH)-1ULL)
+	((1ULL << SDMA_DESC1_GENERATION_WIDTH) - 1)
 #define SDMA_DESC1_GENERATION_SMASK \
-	(SDMA_DESC1_GENERATION_MASK<<SDMA_DESC1_GENERATION_SHIFT)
-#define SDMA_DESC1_INT_REQ_FLAG         (1ULL<<1)
-#define SDMA_DESC1_HEAD_TO_HOST_FLAG    (1ULL<<0)
+	(SDMA_DESC1_GENERATION_MASK << SDMA_DESC1_GENERATION_SHIFT)
+#define SDMA_DESC1_INT_REQ_FLAG         (1ULL << 1)
+#define SDMA_DESC1_HEAD_TO_HOST_FLAG    (1ULL << 0)
 
 enum sdma_states {
 	sdma_state_s00_hw_down,
diff --git a/drivers/staging/rdma/hfi1/verbs.c b/drivers/staging/rdma/hfi1/verbs.c
index 53ac214..41bb59e 100644
--- a/drivers/staging/rdma/hfi1/verbs.c
+++ b/drivers/staging/rdma/hfi1/verbs.c
@@ -749,11 +749,13 @@
 	struct verbs_txreq *tx;
 
 	tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC);
-	if (!tx)
+	if (!tx) {
 		/* call slow path to get the lock */
 		tx =  __get_txreq(dev, qp);
-	if (tx)
-		tx->qp = qp;
+		if (IS_ERR(tx))
+			return tx;
+	}
+	tx->qp = qp;
 	return tx;
 }
 
diff --git a/drivers/staging/speakup/fakekey.c b/drivers/staging/speakup/fakekey.c
index 4299cf4..5e1f16c 100644
--- a/drivers/staging/speakup/fakekey.c
+++ b/drivers/staging/speakup/fakekey.c
@@ -81,6 +81,7 @@
 	__this_cpu_write(reporting_keystroke, true);
 	input_report_key(virt_keyboard, KEY_DOWN, PRESSED);
 	input_report_key(virt_keyboard, KEY_DOWN, RELEASED);
+	input_sync(virt_keyboard);
 	__this_cpu_write(reporting_keystroke, false);
 
 	/* reenable preemption */
diff --git a/drivers/staging/unisys/visorbus/Makefile b/drivers/staging/unisys/visorbus/Makefile
index fa27ee5..fc790e7 100644
--- a/drivers/staging/unisys/visorbus/Makefile
+++ b/drivers/staging/unisys/visorbus/Makefile
@@ -10,4 +10,3 @@
 visorbus-y += periodic_work.o
 
 ccflags-y += -Idrivers/staging/unisys/include
-ccflags-y += -Idrivers/staging/unisys/visorutil
diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index 2309f5f..a272b48 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -37,6 +37,8 @@
 #define POLLJIFFIES_TESTWORK         100
 #define POLLJIFFIES_NORMALCHANNEL     10
 
+static int busreg_rc = -ENODEV; /* stores the result from bus registration */
+
 static int visorbus_uevent(struct device *xdev, struct kobj_uevent_env *env);
 static int visorbus_match(struct device *xdev, struct device_driver *xdrv);
 static void fix_vbus_dev_info(struct visor_device *visordev);
@@ -863,6 +865,9 @@
 {
 	int rc = 0;
 
+	if (busreg_rc < 0)
+		return -ENODEV; /*can't register on a nonexistent bus*/
+
 	drv->driver.name = drv->name;
 	drv->driver.bus = &visorbus_type;
 	drv->driver.probe = visordriver_probe_device;
@@ -885,6 +890,8 @@
 	if (rc < 0)
 		return rc;
 	rc = register_driver_attributes(drv);
+	if (rc < 0)
+		driver_unregister(&drv->driver);
 	return rc;
 }
 EXPORT_SYMBOL_GPL(visorbus_register_visor_driver);
@@ -1260,10 +1267,8 @@
 static int
 create_bus_type(void)
 {
-	int rc = 0;
-
-	rc = bus_register(&visorbus_type);
-	return rc;
+	busreg_rc = bus_register(&visorbus_type);
+	return busreg_rc;
 }
 
 /** Remove the one-and-only one instance of the visor bus type (visorbus_type).
diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c
index 8c9da7e..9d3c1e2 100644
--- a/drivers/staging/unisys/visornic/visornic_main.c
+++ b/drivers/staging/unisys/visornic/visornic_main.c
@@ -1189,16 +1189,16 @@
 	spin_lock_irqsave(&devdata->priv_lock, flags);
 	atomic_dec(&devdata->num_rcvbuf_in_iovm);
 
-	/* update rcv stats - call it with priv_lock held */
-	devdata->net_stats.rx_packets++;
-	devdata->net_stats.rx_bytes = skb->len;
-
 	/* set length to how much was ACTUALLY received -
 	 * NOTE: rcv_done_len includes actual length of data rcvd
 	 * including ethhdr
 	 */
 	skb->len = cmdrsp->net.rcv.rcv_done_len;
 
+	/* update rcv stats - call it with priv_lock held */
+	devdata->net_stats.rx_packets++;
+	devdata->net_stats.rx_bytes += skb->len;
+
 	/* test enabled while holding lock */
 	if (!(devdata->enabled && devdata->enab_dis_acked)) {
 		/* don't process it unless we're in enable mode and until
@@ -1924,13 +1924,16 @@
 			"%s debugfs_create_dir %s failed\n",
 			__func__, netdev->name);
 		err = -ENOMEM;
-		goto cleanup_xmit_cmdrsp;
+		goto cleanup_register_netdev;
 	}
 
 	dev_info(&dev->device, "%s success netdev=%s\n",
 		 __func__, netdev->name);
 	return 0;
 
+cleanup_register_netdev:
+	unregister_netdev(netdev);
+
 cleanup_napi_add:
 	del_timer_sync(&devdata->irq_poll_timer);
 	netif_napi_del(&devdata->napi);
@@ -2128,8 +2131,9 @@
 	if (!dev_num_pool)
 		goto cleanup_workqueue;
 
-	visorbus_register_visor_driver(&visornic_driver);
-	return 0;
+	err = visorbus_register_visor_driver(&visornic_driver);
+	if (!err)
+		return 0;
 
 cleanup_workqueue:
 	if (visornic_timeout_reset_workqueue) {
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index e8a52f7..51d1734 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -407,6 +407,7 @@
 			TYPERANGE_UTF8, USE_INITIAL_ONLY);
 	if (!param)
 		goto out;
+
 	/*
 	 * Extra parameters for ISER from RFC-5046
 	 */
@@ -496,9 +497,9 @@
 		} else if (!strcmp(param->name, SESSIONTYPE)) {
 			SET_PSTATE_NEGOTIATE(param);
 		} else if (!strcmp(param->name, IFMARKER)) {
-			SET_PSTATE_NEGOTIATE(param);
+			SET_PSTATE_REJECT(param);
 		} else if (!strcmp(param->name, OFMARKER)) {
-			SET_PSTATE_NEGOTIATE(param);
+			SET_PSTATE_REJECT(param);
 		} else if (!strcmp(param->name, IFMARKINT)) {
 			SET_PSTATE_REJECT(param);
 		} else if (!strcmp(param->name, OFMARKINT)) {
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index dcc424a..88ea4e4 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -62,22 +62,13 @@
 	struct se_session *se_sess = se_cmd->se_sess;
 	struct se_node_acl *nacl = se_sess->se_node_acl;
 	struct se_dev_entry *deve;
+	sense_reason_t ret = TCM_NO_SENSE;
 
 	rcu_read_lock();
 	deve = target_nacl_find_deve(nacl, unpacked_lun);
 	if (deve) {
 		atomic_long_inc(&deve->total_cmds);
 
-		if ((se_cmd->data_direction == DMA_TO_DEVICE) &&
-		    (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)) {
-			pr_err("TARGET_CORE[%s]: Detected WRITE_PROTECTED LUN"
-				" Access for 0x%08llx\n",
-				se_cmd->se_tfo->get_fabric_name(),
-				unpacked_lun);
-			rcu_read_unlock();
-			return TCM_WRITE_PROTECTED;
-		}
-
 		if (se_cmd->data_direction == DMA_TO_DEVICE)
 			atomic_long_add(se_cmd->data_length,
 					&deve->write_bytes);
@@ -93,6 +84,17 @@
 
 		percpu_ref_get(&se_lun->lun_ref);
 		se_cmd->lun_ref_active = true;
+
+		if ((se_cmd->data_direction == DMA_TO_DEVICE) &&
+		    (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)) {
+			pr_err("TARGET_CORE[%s]: Detected WRITE_PROTECTED LUN"
+				" Access for 0x%08llx\n",
+				se_cmd->se_tfo->get_fabric_name(),
+				unpacked_lun);
+			rcu_read_unlock();
+			ret = TCM_WRITE_PROTECTED;
+			goto ref_dev;
+		}
 	}
 	rcu_read_unlock();
 
@@ -109,12 +111,6 @@
 				unpacked_lun);
 			return TCM_NON_EXISTENT_LUN;
 		}
-		/*
-		 * Force WRITE PROTECT for virtual LUN 0
-		 */
-		if ((se_cmd->data_direction != DMA_FROM_DEVICE) &&
-		    (se_cmd->data_direction != DMA_NONE))
-			return TCM_WRITE_PROTECTED;
 
 		se_lun = se_sess->se_tpg->tpg_virt_lun0;
 		se_cmd->se_lun = se_sess->se_tpg->tpg_virt_lun0;
@@ -123,6 +119,15 @@
 
 		percpu_ref_get(&se_lun->lun_ref);
 		se_cmd->lun_ref_active = true;
+
+		/*
+		 * Force WRITE PROTECT for virtual LUN 0
+		 */
+		if ((se_cmd->data_direction != DMA_FROM_DEVICE) &&
+		    (se_cmd->data_direction != DMA_NONE)) {
+			ret = TCM_WRITE_PROTECTED;
+			goto ref_dev;
+		}
 	}
 	/*
 	 * RCU reference protected by percpu se_lun->lun_ref taken above that
@@ -130,6 +135,7 @@
 	 * pointer can be kfree_rcu() by the final se_lun->lun_group put via
 	 * target_core_fabric_configfs.c:target_fabric_port_release
 	 */
+ref_dev:
 	se_cmd->se_dev = rcu_dereference_raw(se_lun->lun_se_dev);
 	atomic_long_inc(&se_cmd->se_dev->num_cmds);
 
@@ -140,7 +146,7 @@
 		atomic_long_add(se_cmd->data_length,
 				&se_cmd->se_dev->read_bytes);
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(transport_lookup_cmd_lun);
 
@@ -427,8 +433,6 @@
 
 	hlist_del_rcu(&orig->link);
 	clear_bit(DEF_PR_REG_ACTIVE, &orig->deve_flags);
-	rcu_assign_pointer(orig->se_lun, NULL);
-	rcu_assign_pointer(orig->se_lun_acl, NULL);
 	orig->lun_flags = 0;
 	orig->creation_time = 0;
 	orig->attach_count--;
@@ -439,6 +443,9 @@
 	kref_put(&orig->pr_kref, target_pr_kref_release);
 	wait_for_completion(&orig->pr_comp);
 
+	rcu_assign_pointer(orig->se_lun, NULL);
+	rcu_assign_pointer(orig->se_lun_acl, NULL);
+
 	kfree_rcu(orig, rcu_head);
 
 	core_scsi3_free_pr_reg_from_nacl(dev, nacl);
diff --git a/drivers/target/target_core_hba.c b/drivers/target/target_core_hba.c
index 9522960..22390e0 100644
--- a/drivers/target/target_core_hba.c
+++ b/drivers/target/target_core_hba.c
@@ -187,5 +187,5 @@
 
 bool target_sense_desc_format(struct se_device *dev)
 {
-	return dev->transport->get_blocks(dev) > U32_MAX;
+	return (dev) ? dev->transport->get_blocks(dev) > U32_MAX : false;
 }
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 5a9982f..0f19e11 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -105,6 +105,8 @@
 	mode = FMODE_READ|FMODE_EXCL;
 	if (!ib_dev->ibd_readonly)
 		mode |= FMODE_WRITE;
+	else
+		dev->dev_flags |= DF_READ_ONLY;
 
 	bd = blkdev_get_by_path(ib_dev->ibd_udev_path, mode, ib_dev);
 	if (IS_ERR(bd)) {
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 5ab7100..e793311 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -618,7 +618,7 @@
 	struct se_device *dev,
 	struct se_node_acl *nacl,
 	struct se_lun *lun,
-	struct se_dev_entry *deve,
+	struct se_dev_entry *dest_deve,
 	u64 mapped_lun,
 	unsigned char *isid,
 	u64 sa_res_key,
@@ -640,7 +640,29 @@
 	INIT_LIST_HEAD(&pr_reg->pr_reg_atp_mem_list);
 	atomic_set(&pr_reg->pr_res_holders, 0);
 	pr_reg->pr_reg_nacl = nacl;
-	pr_reg->pr_reg_deve = deve;
+	/*
+	 * For destination registrations for ALL_TG_PT=1 and SPEC_I_PT=1,
+	 * the se_dev_entry->pr_ref will have been already obtained by
+	 * core_get_se_deve_from_rtpi() or __core_scsi3_alloc_registration().
+	 *
+	 * Otherwise, locate se_dev_entry now and obtain a reference until
+	 * registration completes in __core_scsi3_add_registration().
+	 */
+	if (dest_deve) {
+		pr_reg->pr_reg_deve = dest_deve;
+	} else {
+		rcu_read_lock();
+		pr_reg->pr_reg_deve = target_nacl_find_deve(nacl, mapped_lun);
+		if (!pr_reg->pr_reg_deve) {
+			rcu_read_unlock();
+			pr_err("Unable to locate PR deve %s mapped_lun: %llu\n",
+				nacl->initiatorname, mapped_lun);
+			kmem_cache_free(t10_pr_reg_cache, pr_reg);
+			return NULL;
+		}
+		kref_get(&pr_reg->pr_reg_deve->pr_kref);
+		rcu_read_unlock();
+	}
 	pr_reg->pr_res_mapped_lun = mapped_lun;
 	pr_reg->pr_aptpl_target_lun = lun->unpacked_lun;
 	pr_reg->tg_pt_sep_rtpi = lun->lun_rtpi;
@@ -936,17 +958,29 @@
 		    !(strcmp(pr_reg->pr_tport, t_port)) &&
 		     (pr_reg->pr_reg_tpgt == tpgt) &&
 		     (pr_reg->pr_aptpl_target_lun == target_lun)) {
+			/*
+			 * Obtain the ->pr_reg_deve pointer + reference, that
+			 * is released by __core_scsi3_add_registration() below.
+			 */
+			rcu_read_lock();
+			pr_reg->pr_reg_deve = target_nacl_find_deve(nacl, mapped_lun);
+			if (!pr_reg->pr_reg_deve) {
+				pr_err("Unable to locate PR APTPL %s mapped_lun:"
+					" %llu\n", nacl->initiatorname, mapped_lun);
+				rcu_read_unlock();
+				continue;
+			}
+			kref_get(&pr_reg->pr_reg_deve->pr_kref);
+			rcu_read_unlock();
 
 			pr_reg->pr_reg_nacl = nacl;
 			pr_reg->tg_pt_sep_rtpi = lun->lun_rtpi;
-
 			list_del(&pr_reg->pr_reg_aptpl_list);
 			spin_unlock(&pr_tmpl->aptpl_reg_lock);
 			/*
 			 * At this point all of the pointers in *pr_reg will
 			 * be setup, so go ahead and add the registration.
 			 */
-
 			__core_scsi3_add_registration(dev, nacl, pr_reg, 0, 0);
 			/*
 			 * If this registration is the reservation holder,
@@ -1044,18 +1078,11 @@
 
 	__core_scsi3_dump_registration(tfo, dev, nacl, pr_reg, register_type);
 	spin_unlock(&pr_tmpl->registration_lock);
-
-	rcu_read_lock();
-	deve = pr_reg->pr_reg_deve;
-	if (deve)
-		set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags);
-	rcu_read_unlock();
-
 	/*
 	 * Skip extra processing for ALL_TG_PT=0 or REGISTER_AND_MOVE.
 	 */
 	if (!pr_reg->pr_reg_all_tg_pt || register_move)
-		return;
+		goto out;
 	/*
 	 * Walk pr_reg->pr_reg_atp_list and add registrations for ALL_TG_PT=1
 	 * allocated in __core_scsi3_alloc_registration()
@@ -1075,19 +1102,31 @@
 		__core_scsi3_dump_registration(tfo, dev, nacl_tmp, pr_reg_tmp,
 					       register_type);
 		spin_unlock(&pr_tmpl->registration_lock);
-
+		/*
+		 * Drop configfs group dependency reference and deve->pr_kref
+		 * obtained from  __core_scsi3_alloc_registration() code.
+		 */
 		rcu_read_lock();
 		deve = pr_reg_tmp->pr_reg_deve;
-		if (deve)
+		if (deve) {
 			set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags);
+			core_scsi3_lunacl_undepend_item(deve);
+			pr_reg_tmp->pr_reg_deve = NULL;
+		}
 		rcu_read_unlock();
-
-		/*
-		 * Drop configfs group dependency reference from
-		 * __core_scsi3_alloc_registration()
-		 */
-		core_scsi3_lunacl_undepend_item(pr_reg_tmp->pr_reg_deve);
 	}
+out:
+	/*
+	 * Drop deve->pr_kref obtained in __core_scsi3_do_alloc_registration()
+	 */
+	rcu_read_lock();
+	deve = pr_reg->pr_reg_deve;
+	if (deve) {
+		set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags);
+		kref_put(&deve->pr_kref, target_pr_kref_release);
+		pr_reg->pr_reg_deve = NULL;
+	}
+	rcu_read_unlock();
 }
 
 static int core_scsi3_alloc_registration(
@@ -1785,9 +1824,11 @@
 			dest_node_acl->initiatorname, i_buf, (dest_se_deve) ?
 			dest_se_deve->mapped_lun : 0);
 
-		if (!dest_se_deve)
+		if (!dest_se_deve) {
+			kref_put(&local_pr_reg->pr_reg_deve->pr_kref,
+				 target_pr_kref_release);
 			continue;
-
+		}
 		core_scsi3_lunacl_undepend_item(dest_se_deve);
 		core_scsi3_nodeacl_undepend_item(dest_node_acl);
 		core_scsi3_tpg_undepend_item(dest_tpg);
@@ -1823,9 +1864,11 @@
 
 		kmem_cache_free(t10_pr_reg_cache, dest_pr_reg);
 
-		if (!dest_se_deve)
+		if (!dest_se_deve) {
+			kref_put(&local_pr_reg->pr_reg_deve->pr_kref,
+				 target_pr_kref_release);
 			continue;
-
+		}
 		core_scsi3_lunacl_undepend_item(dest_se_deve);
 		core_scsi3_nodeacl_undepend_item(dest_node_acl);
 		core_scsi3_tpg_undepend_item(dest_tpg);
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 2d0381d..5fb9dd7 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -668,7 +668,10 @@
 	list_add_tail(&lun->lun_dev_link, &dev->dev_sep_list);
 	spin_unlock(&dev->se_port_lock);
 
-	lun->lun_access = lun_access;
+	if (dev->dev_flags & DF_READ_ONLY)
+		lun->lun_access = TRANSPORT_LUNFLAGS_READ_ONLY;
+	else
+		lun->lun_access = lun_access;
 	if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
 		hlist_add_head_rcu(&lun->link, &tpg->tpg_lun_hlist);
 	mutex_unlock(&tpg->tpg_lun_mutex);
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 0390044..5aabc4b 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -163,7 +163,7 @@
 
 config HISI_THERMAL
 	tristate "Hisilicon thermal driver"
-	depends on ARCH_HISI && CPU_THERMAL && OF
+	depends on (ARCH_HISI && CPU_THERMAL && OF) || COMPILE_TEST
 	help
 	  Enable this to plug hisilicon's thermal sensor driver into the Linux
 	  thermal framework. cpufreq is used as the cooling device to throttle
@@ -182,7 +182,7 @@
 
 config SPEAR_THERMAL
 	bool "SPEAr thermal sensor driver"
-	depends on PLAT_SPEAR
+	depends on PLAT_SPEAR || COMPILE_TEST
 	depends on OF
 	help
 	  Enable this to plug the SPEAr thermal sensor driver into the Linux
@@ -190,7 +190,7 @@
 
 config ROCKCHIP_THERMAL
 	tristate "Rockchip thermal driver"
-	depends on ARCH_ROCKCHIP
+	depends on ARCH_ROCKCHIP || COMPILE_TEST
 	depends on RESET_CONTROLLER
 	help
 	  Rockchip thermal driver provides support for Temperature sensor
@@ -208,7 +208,7 @@
 
 config KIRKWOOD_THERMAL
 	tristate "Temperature sensor on Marvell Kirkwood SoCs"
-	depends on MACH_KIRKWOOD
+	depends on MACH_KIRKWOOD || COMPILE_TEST
 	depends on OF
 	help
 	  Support for the Kirkwood thermal sensor driver into the Linux thermal
@@ -216,7 +216,7 @@
 
 config DOVE_THERMAL
 	tristate "Temperature sensor on Marvell Dove SoCs"
-	depends on ARCH_DOVE || MACH_DOVE
+	depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST
 	depends on OF
 	help
 	  Support for the Dove thermal sensor driver in the Linux thermal
@@ -234,7 +234,7 @@
 
 config ARMADA_THERMAL
 	tristate "Armada 370/XP thermal management"
-	depends on ARCH_MVEBU
+	depends on ARCH_MVEBU || COMPILE_TEST
 	depends on OF
 	help
 	  Enable this option if you want to have support for thermal management
@@ -349,11 +349,12 @@
 	  programmable trip points and other information.
 
 menu "Texas Instruments thermal drivers"
+depends on ARCH_HAS_BANDGAP || COMPILE_TEST
 source "drivers/thermal/ti-soc-thermal/Kconfig"
 endmenu
 
 menu "Samsung thermal drivers"
-depends on ARCH_EXYNOS
+depends on ARCH_EXYNOS || COMPILE_TEST
 source "drivers/thermal/samsung/Kconfig"
 endmenu
 
@@ -364,7 +365,7 @@
 
 config QCOM_SPMI_TEMP_ALARM
 	tristate "Qualcomm SPMI PMIC Temperature Alarm"
-	depends on OF && SPMI && IIO
+	depends on OF && (SPMI || COMPILE_TEST) && IIO
 	select REGMAP_SPMI
 	help
 	  This enables a thermal sysfs driver for Qualcomm plug-and-play (QPNP)
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 620dcd4..42c6f71 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -262,7 +262,9 @@
  * efficiently.  Power is stored in mW, frequency in KHz.  The
  * resulting table is in ascending order.
  *
- * Return: 0 on success, -E* on error.
+ * Return: 0 on success, -EINVAL if there are no OPPs for any CPUs,
+ * -ENOMEM if we run out of memory or -EAGAIN if an OPP was
+ * added/enabled while the function was executing.
  */
 static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
 				 u32 capacitance)
@@ -273,8 +275,6 @@
 	int num_opps = 0, cpu, i, ret = 0;
 	unsigned long freq;
 
-	rcu_read_lock();
-
 	for_each_cpu(cpu, &cpufreq_device->allowed_cpus) {
 		dev = get_cpu_device(cpu);
 		if (!dev) {
@@ -284,24 +284,20 @@
 		}
 
 		num_opps = dev_pm_opp_get_opp_count(dev);
-		if (num_opps > 0) {
+		if (num_opps > 0)
 			break;
-		} else if (num_opps < 0) {
-			ret = num_opps;
-			goto unlock;
-		}
+		else if (num_opps < 0)
+			return num_opps;
 	}
 
-	if (num_opps == 0) {
-		ret = -EINVAL;
-		goto unlock;
-	}
+	if (num_opps == 0)
+		return -EINVAL;
 
 	power_table = kcalloc(num_opps, sizeof(*power_table), GFP_KERNEL);
-	if (!power_table) {
-		ret = -ENOMEM;
-		goto unlock;
-	}
+	if (!power_table)
+		return -ENOMEM;
+
+	rcu_read_lock();
 
 	for (freq = 0, i = 0;
 	     opp = dev_pm_opp_find_freq_ceil(dev, &freq), !IS_ERR(opp);
@@ -309,6 +305,12 @@
 		u32 freq_mhz, voltage_mv;
 		u64 power;
 
+		if (i >= num_opps) {
+			rcu_read_unlock();
+			ret = -EAGAIN;
+			goto free_power_table;
+		}
+
 		freq_mhz = freq / 1000000;
 		voltage_mv = dev_pm_opp_get_voltage(opp) / 1000;
 
@@ -326,17 +328,22 @@
 		power_table[i].power = power;
 	}
 
-	if (i == 0) {
+	rcu_read_unlock();
+
+	if (i != num_opps) {
 		ret = PTR_ERR(opp);
-		goto unlock;
+		goto free_power_table;
 	}
 
 	cpufreq_device->cpu_dev = dev;
 	cpufreq_device->dyn_power_table = power_table;
 	cpufreq_device->dyn_power_table_entries = i;
 
-unlock:
-	rcu_read_unlock();
+	return 0;
+
+free_power_table:
+	kfree(power_table);
+
 	return ret;
 }
 
@@ -847,7 +854,7 @@
 	ret = get_idr(&cpufreq_idr, &cpufreq_dev->id);
 	if (ret) {
 		cool_dev = ERR_PTR(ret);
-		goto free_table;
+		goto free_power_table;
 	}
 
 	snprintf(dev_name, sizeof(dev_name), "thermal-cpufreq-%d",
@@ -889,6 +896,8 @@
 
 remove_idr:
 	release_idr(&cpufreq_idr, cpufreq_dev->id);
+free_power_table:
+	kfree(cpufreq_dev->dyn_power_table);
 free_table:
 	kfree(cpufreq_dev->freq_table);
 free_time_in_idle_timestamp:
@@ -1039,6 +1048,7 @@
 
 	thermal_cooling_device_unregister(cpufreq_dev->cool_dev);
 	release_idr(&cpufreq_idr, cpufreq_dev->id);
+	kfree(cpufreq_dev->dyn_power_table);
 	kfree(cpufreq_dev->time_in_idle_timestamp);
 	kfree(cpufreq_dev->time_in_idle);
 	kfree(cpufreq_dev->freq_table);
diff --git a/drivers/thermal/db8500_cpufreq_cooling.c b/drivers/thermal/db8500_cpufreq_cooling.c
index 607b62c..e58bd0b 100644
--- a/drivers/thermal/db8500_cpufreq_cooling.c
+++ b/drivers/thermal/db8500_cpufreq_cooling.c
@@ -72,6 +72,7 @@
 	{ .compatible = "stericsson,db8500-cpufreq-cooling" },
 	{},
 };
+MODULE_DEVICE_TABLE(of, db8500_cpufreq_cooling_match);
 #endif
 
 static struct platform_driver db8500_cpufreq_cooling_driver = {
diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c
index 9c8a7aa..e570ff0 100644
--- a/drivers/thermal/power_allocator.c
+++ b/drivers/thermal/power_allocator.c
@@ -24,6 +24,8 @@
 
 #include "thermal_core.h"
 
+#define INVALID_TRIP -1
+
 #define FRAC_BITS 10
 #define int_to_frac(x) ((x) << FRAC_BITS)
 #define frac_to_int(x) ((x) >> FRAC_BITS)
@@ -56,16 +58,21 @@
 
 /**
  * struct power_allocator_params - parameters for the power allocator governor
+ * @allocated_tzp:	whether we have allocated tzp for this thermal zone and
+ *			it needs to be freed on unbind
  * @err_integral:	accumulated error in the PID controller.
  * @prev_err:	error in the previous iteration of the PID controller.
  *		Used to calculate the derivative term.
  * @trip_switch_on:	first passive trip point of the thermal zone.  The
  *			governor switches on when this trip point is crossed.
+ *			If the thermal zone only has one passive trip point,
+ *			@trip_switch_on should be INVALID_TRIP.
  * @trip_max_desired_temperature:	last passive trip point of the thermal
  *					zone.  The temperature we are
  *					controlling for.
  */
 struct power_allocator_params {
+	bool allocated_tzp;
 	s64 err_integral;
 	s32 prev_err;
 	int trip_switch_on;
@@ -73,6 +80,98 @@
 };
 
 /**
+ * estimate_sustainable_power() - Estimate the sustainable power of a thermal zone
+ * @tz: thermal zone we are operating in
+ *
+ * For thermal zones that don't provide a sustainable_power in their
+ * thermal_zone_params, estimate one.  Calculate it using the minimum
+ * power of all the cooling devices as that gives a valid value that
+ * can give some degree of functionality.  For optimal performance of
+ * this governor, provide a sustainable_power in the thermal zone's
+ * thermal_zone_params.
+ */
+static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
+{
+	u32 sustainable_power = 0;
+	struct thermal_instance *instance;
+	struct power_allocator_params *params = tz->governor_data;
+
+	list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+		struct thermal_cooling_device *cdev = instance->cdev;
+		u32 min_power;
+
+		if (instance->trip != params->trip_max_desired_temperature)
+			continue;
+
+		if (power_actor_get_min_power(cdev, tz, &min_power))
+			continue;
+
+		sustainable_power += min_power;
+	}
+
+	return sustainable_power;
+}
+
+/**
+ * estimate_pid_constants() - Estimate the constants for the PID controller
+ * @tz:		thermal zone for which to estimate the constants
+ * @sustainable_power:	sustainable power for the thermal zone
+ * @trip_switch_on:	trip point number for the switch on temperature
+ * @control_temp:	target temperature for the power allocator governor
+ * @force:	whether to force the update of the constants
+ *
+ * This function is used to update the estimation of the PID
+ * controller constants in struct thermal_zone_parameters.
+ * Sustainable power is provided in case it was estimated.  The
+ * estimated sustainable_power should not be stored in the
+ * thermal_zone_parameters so it has to be passed explicitly to this
+ * function.
+ *
+ * If @force is not set, the values in the thermal zone's parameters
+ * are preserved if they are not zero.  If @force is set, the values
+ * in thermal zone's parameters are overwritten.
+ */
+static void estimate_pid_constants(struct thermal_zone_device *tz,
+				   u32 sustainable_power, int trip_switch_on,
+				   int control_temp, bool force)
+{
+	int ret;
+	int switch_on_temp;
+	u32 temperature_threshold;
+
+	ret = tz->ops->get_trip_temp(tz, trip_switch_on, &switch_on_temp);
+	if (ret)
+		switch_on_temp = 0;
+
+	temperature_threshold = control_temp - switch_on_temp;
+	/*
+	 * estimate_pid_constants() tries to find appropriate default
+	 * values for thermal zones that don't provide them. If a
+	 * system integrator has configured a thermal zone with two
+	 * passive trip points at the same temperature, that person
+	 * hasn't put any effort to set up the thermal zone properly
+	 * so just give up.
+	 */
+	if (!temperature_threshold)
+		return;
+
+	if (!tz->tzp->k_po || force)
+		tz->tzp->k_po = int_to_frac(sustainable_power) /
+			temperature_threshold;
+
+	if (!tz->tzp->k_pu || force)
+		tz->tzp->k_pu = int_to_frac(2 * sustainable_power) /
+			temperature_threshold;
+
+	if (!tz->tzp->k_i || force)
+		tz->tzp->k_i = int_to_frac(10) / 1000;
+	/*
+	 * The default for k_d and integral_cutoff is 0, so we can
+	 * leave them as they are.
+	 */
+}
+
+/**
  * pid_controller() - PID controller
  * @tz:	thermal zone we are operating in
  * @current_temp:	the current temperature in millicelsius
@@ -98,10 +197,20 @@
 {
 	s64 p, i, d, power_range;
 	s32 err, max_power_frac;
+	u32 sustainable_power;
 	struct power_allocator_params *params = tz->governor_data;
 
 	max_power_frac = int_to_frac(max_allocatable_power);
 
+	if (tz->tzp->sustainable_power) {
+		sustainable_power = tz->tzp->sustainable_power;
+	} else {
+		sustainable_power = estimate_sustainable_power(tz);
+		estimate_pid_constants(tz, sustainable_power,
+				       params->trip_switch_on, control_temp,
+				       true);
+	}
+
 	err = control_temp - current_temp;
 	err = int_to_frac(err);
 
@@ -139,7 +248,7 @@
 	power_range = p + i + d;
 
 	/* feed-forward the known sustainable dissipatable power */
-	power_range = tz->tzp->sustainable_power + frac_to_int(power_range);
+	power_range = sustainable_power + frac_to_int(power_range);
 
 	power_range = clamp(power_range, (s64)0, (s64)max_allocatable_power);
 
@@ -247,6 +356,11 @@
 		}
 	}
 
+	if (!num_actors) {
+		ret = -ENODEV;
+		goto unlock;
+	}
+
 	/*
 	 * We need to allocate five arrays of the same size:
 	 * req_power, max_power, granted_power, extra_actor_power and
@@ -340,43 +454,66 @@
 	return ret;
 }
 
-static int get_governor_trips(struct thermal_zone_device *tz,
-			      struct power_allocator_params *params)
+/**
+ * get_governor_trips() - get the number of the two trip points that are key for this governor
+ * @tz:	thermal zone to operate on
+ * @params:	pointer to private data for this governor
+ *
+ * The power allocator governor works optimally with two trips points:
+ * a "switch on" trip point and a "maximum desired temperature".  These
+ * are defined as the first and last passive trip points.
+ *
+ * If there is only one trip point, then that's considered to be the
+ * "maximum desired temperature" trip point and the governor is always
+ * on.  If there are no passive or active trip points, then the
+ * governor won't do anything.  In fact, its throttle function
+ * won't be called at all.
+ */
+static void get_governor_trips(struct thermal_zone_device *tz,
+			       struct power_allocator_params *params)
 {
-	int i, ret, last_passive;
+	int i, last_active, last_passive;
 	bool found_first_passive;
 
 	found_first_passive = false;
-	last_passive = -1;
-	ret = -EINVAL;
+	last_active = INVALID_TRIP;
+	last_passive = INVALID_TRIP;
 
 	for (i = 0; i < tz->trips; i++) {
 		enum thermal_trip_type type;
+		int ret;
 
 		ret = tz->ops->get_trip_type(tz, i, &type);
-		if (ret)
-			return ret;
+		if (ret) {
+			dev_warn(&tz->device,
+				 "Failed to get trip point %d type: %d\n", i,
+				 ret);
+			continue;
+		}
 
-		if (!found_first_passive) {
-			if (type == THERMAL_TRIP_PASSIVE) {
+		if (type == THERMAL_TRIP_PASSIVE) {
+			if (!found_first_passive) {
 				params->trip_switch_on = i;
 				found_first_passive = true;
+			} else  {
+				last_passive = i;
 			}
-		} else if (type == THERMAL_TRIP_PASSIVE) {
-			last_passive = i;
+		} else if (type == THERMAL_TRIP_ACTIVE) {
+			last_active = i;
 		} else {
 			break;
 		}
 	}
 
-	if (last_passive != -1) {
+	if (last_passive != INVALID_TRIP) {
 		params->trip_max_desired_temperature = last_passive;
-		ret = 0;
+	} else if (found_first_passive) {
+		params->trip_max_desired_temperature = params->trip_switch_on;
+		params->trip_switch_on = INVALID_TRIP;
 	} else {
-		ret = -EINVAL;
+		params->trip_switch_on = INVALID_TRIP;
+		params->trip_max_desired_temperature = last_active;
 	}
-
-	return ret;
 }
 
 static void reset_pid_controller(struct power_allocator_params *params)
@@ -405,60 +542,45 @@
  * power_allocator_bind() - bind the power_allocator governor to a thermal zone
  * @tz:	thermal zone to bind it to
  *
- * Check that the thermal zone is valid for this governor, that is, it
- * has two thermal trips.  If so, initialize the PID controller
- * parameters and bind it to the thermal zone.
+ * Initialize the PID controller parameters and bind it to the thermal
+ * zone.
  *
- * Return: 0 on success, -EINVAL if the trips were invalid or -ENOMEM
- * if we ran out of memory.
+ * Return: 0 on success, or -ENOMEM if we ran out of memory.
  */
 static int power_allocator_bind(struct thermal_zone_device *tz)
 {
 	int ret;
 	struct power_allocator_params *params;
-	int switch_on_temp, control_temp;
-	u32 temperature_threshold;
-
-	if (!tz->tzp || !tz->tzp->sustainable_power) {
-		dev_err(&tz->device,
-			"power_allocator: missing sustainable_power\n");
-		return -EINVAL;
-	}
+	int control_temp;
 
 	params = kzalloc(sizeof(*params), GFP_KERNEL);
 	if (!params)
 		return -ENOMEM;
 
-	ret = get_governor_trips(tz, params);
-	if (ret) {
-		dev_err(&tz->device,
-			"thermal zone %s has wrong trip setup for power allocator\n",
-			tz->type);
-		goto free;
+	if (!tz->tzp) {
+		tz->tzp = kzalloc(sizeof(*tz->tzp), GFP_KERNEL);
+		if (!tz->tzp) {
+			ret = -ENOMEM;
+			goto free_params;
+		}
+
+		params->allocated_tzp = true;
 	}
 
-	ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
-				     &switch_on_temp);
-	if (ret)
-		goto free;
+	if (!tz->tzp->sustainable_power)
+		dev_warn(&tz->device, "power_allocator: sustainable_power will be estimated\n");
 
-	ret = tz->ops->get_trip_temp(tz, params->trip_max_desired_temperature,
-				     &control_temp);
-	if (ret)
-		goto free;
+	get_governor_trips(tz, params);
 
-	temperature_threshold = control_temp - switch_on_temp;
-
-	tz->tzp->k_po = tz->tzp->k_po ?:
-		int_to_frac(tz->tzp->sustainable_power) / temperature_threshold;
-	tz->tzp->k_pu = tz->tzp->k_pu ?:
-		int_to_frac(2 * tz->tzp->sustainable_power) /
-		temperature_threshold;
-	tz->tzp->k_i = tz->tzp->k_i ?: int_to_frac(10) / 1000;
-	/*
-	 * The default for k_d and integral_cutoff is 0, so we can
-	 * leave them as they are.
-	 */
+	if (tz->trips > 0) {
+		ret = tz->ops->get_trip_temp(tz,
+					params->trip_max_desired_temperature,
+					&control_temp);
+		if (!ret)
+			estimate_pid_constants(tz, tz->tzp->sustainable_power,
+					       params->trip_switch_on,
+					       control_temp, false);
+	}
 
 	reset_pid_controller(params);
 
@@ -466,14 +588,23 @@
 
 	return 0;
 
-free:
+free_params:
 	kfree(params);
+
 	return ret;
 }
 
 static void power_allocator_unbind(struct thermal_zone_device *tz)
 {
+	struct power_allocator_params *params = tz->governor_data;
+
 	dev_dbg(&tz->device, "Unbinding from thermal zone %d\n", tz->id);
+
+	if (params->allocated_tzp) {
+		kfree(tz->tzp);
+		tz->tzp = NULL;
+	}
+
 	kfree(tz->governor_data);
 	tz->governor_data = NULL;
 }
@@ -499,13 +630,7 @@
 
 	ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
 				     &switch_on_temp);
-	if (ret) {
-		dev_warn(&tz->device,
-			 "Failed to get switch on temperature: %d\n", ret);
-		return ret;
-	}
-
-	if (current_temp < switch_on_temp) {
+	if (!ret && (current_temp < switch_on_temp)) {
 		tz->passive = 0;
 		reset_pid_controller(params);
 		allow_maximum_power(tz);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 5e5fc70..d9e525c 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1013,6 +1013,34 @@
 }
 
 /**
+ * power_actor_get_min_power() - get the mainimum power that a cdev can consume
+ * @cdev:	pointer to &thermal_cooling_device
+ * @tz:		a valid thermal zone device pointer
+ * @min_power:	pointer in which to store the minimum power
+ *
+ * Calculate the minimum power consumption in milliwatts that the
+ * cooling device can currently consume and store it in @min_power.
+ *
+ * Return: 0 on success, -EINVAL if @cdev doesn't support the
+ * power_actor API or -E* on other error.
+ */
+int power_actor_get_min_power(struct thermal_cooling_device *cdev,
+			      struct thermal_zone_device *tz, u32 *min_power)
+{
+	unsigned long max_state;
+	int ret;
+
+	if (!cdev_is_power_actor(cdev))
+		return -EINVAL;
+
+	ret = cdev->ops->get_max_state(cdev, &max_state);
+	if (ret)
+		return ret;
+
+	return cdev->ops->state2power(cdev, tz, max_state, min_power);
+}
+
+/**
  * power_actor_set_power() - limit the maximum power that a cooling device can consume
  * @cdev:	pointer to &thermal_cooling_device
  * @instance:	thermal instance to update
diff --git a/drivers/thermal/ti-soc-thermal/Kconfig b/drivers/thermal/ti-soc-thermal/Kconfig
index bd4c7be..cb6686f 100644
--- a/drivers/thermal/ti-soc-thermal/Kconfig
+++ b/drivers/thermal/ti-soc-thermal/Kconfig
@@ -1,7 +1,5 @@
 config TI_SOC_THERMAL
 	tristate "Texas Instruments SoCs temperature sensor driver"
-	depends on THERMAL
-	depends on ARCH_HAS_BANDGAP
 	help
 	  If you say yes here you get support for the Texas Instruments
 	  OMAP4460+ on die bandgap temperature sensor support. The register
@@ -24,7 +22,7 @@
 config OMAP4_THERMAL
 	bool "Texas Instruments OMAP4 thermal support"
 	depends on TI_SOC_THERMAL
-	depends on ARCH_OMAP4
+	depends on ARCH_OMAP4 || COMPILE_TEST
 	help
 	  If you say yes here you get thermal support for the Texas Instruments
 	  OMAP4 SoC family. The current chip supported are:
@@ -38,7 +36,7 @@
 config OMAP5_THERMAL
 	bool "Texas Instruments OMAP5 thermal support"
 	depends on TI_SOC_THERMAL
-	depends on SOC_OMAP5
+	depends on SOC_OMAP5 || COMPILE_TEST
 	help
 	  If you say yes here you get thermal support for the Texas Instruments
 	  OMAP5 SoC family. The current chip supported are:
@@ -50,7 +48,7 @@
 config DRA752_THERMAL
 	bool "Texas Instruments DRA752 thermal support"
 	depends on TI_SOC_THERMAL
-	depends on SOC_DRA7XX
+	depends on SOC_DRA7XX || COMPILE_TEST
 	help
 	  If you say yes here you get thermal support for the Texas Instruments
 	  DRA752 SoC family. The current chip supported are:
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index c68fe12..20a41f7 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -643,7 +643,7 @@
 	{
 		.class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0,
 		.vendor = PCI_VENDOR_ID_INTEL, .device = 0x156c,
-		.subvendor = 0x2222, .subdevice = 0x1111,
+		.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID,
 	},
 	{ 0,}
 };
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 20932cc..b09023b 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -343,8 +343,7 @@
 		spin_lock_irqsave(&tty->ctrl_lock, flags);
 		tty->ctrl_status |= TIOCPKT_FLUSHREAD;
 		spin_unlock_irqrestore(&tty->ctrl_lock, flags);
-		if (waitqueue_active(&tty->link->read_wait))
-			wake_up_interruptible(&tty->link->read_wait);
+		wake_up_interruptible(&tty->link->read_wait);
 	}
 }
 
@@ -1382,8 +1381,7 @@
 			put_tty_queue(c, ldata);
 			smp_store_release(&ldata->canon_head, ldata->read_head);
 			kill_fasync(&tty->fasync, SIGIO, POLL_IN);
-			if (waitqueue_active(&tty->read_wait))
-				wake_up_interruptible_poll(&tty->read_wait, POLLIN);
+			wake_up_interruptible_poll(&tty->read_wait, POLLIN);
 			return 0;
 		}
 	}
@@ -1667,8 +1665,7 @@
 
 	if ((read_cnt(ldata) >= ldata->minimum_to_wake) || L_EXTPROC(tty)) {
 		kill_fasync(&tty->fasync, SIGIO, POLL_IN);
-		if (waitqueue_active(&tty->read_wait))
-			wake_up_interruptible_poll(&tty->read_wait, POLLIN);
+		wake_up_interruptible_poll(&tty->read_wait, POLLIN);
 	}
 }
 
@@ -1887,10 +1884,8 @@
 	}
 
 	/* The termios change make the tty ready for I/O */
-	if (waitqueue_active(&tty->write_wait))
-		wake_up_interruptible(&tty->write_wait);
-	if (waitqueue_active(&tty->read_wait))
-		wake_up_interruptible(&tty->read_wait);
+	wake_up_interruptible(&tty->write_wait);
+	wake_up_interruptible(&tty->read_wait);
 }
 
 /**
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 54e6c8d..0bbf340 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -261,6 +261,14 @@
 				  UART_FCR7_64BYTE,
 		.flags		= UART_CAP_FIFO,
 	},
+	[PORT_RT2880] = {
+		.name		= "Palmchip BK-3103",
+		.fifo_size	= 16,
+		.tx_loadsz	= 16,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.rxtrig_bytes	= {1, 4, 8, 14},
+		.flags		= UART_CAP_FIFO,
+	},
 };
 
 /* Uart divisor latch read */
@@ -2910,3 +2918,5 @@
 }
 
 #endif /* CONFIG_SERIAL_8250_CONSOLE */
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 5ca5cf3..538ea03 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2786,7 +2786,7 @@
 	ret = atmel_init_gpios(port, &pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to initialize GPIOs.");
-		goto err;
+		goto err_clear_bit;
 	}
 
 	ret = atmel_init_port(port, pdev);
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index fe3d41c..d0388a0 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1631,12 +1631,12 @@
 	int locked = 1;
 	int retval;
 
-	retval = clk_prepare_enable(sport->clk_per);
+	retval = clk_enable(sport->clk_per);
 	if (retval)
 		return;
-	retval = clk_prepare_enable(sport->clk_ipg);
+	retval = clk_enable(sport->clk_ipg);
 	if (retval) {
-		clk_disable_unprepare(sport->clk_per);
+		clk_disable(sport->clk_per);
 		return;
 	}
 
@@ -1675,8 +1675,8 @@
 	if (locked)
 		spin_unlock_irqrestore(&sport->port.lock, flags);
 
-	clk_disable_unprepare(sport->clk_ipg);
-	clk_disable_unprepare(sport->clk_per);
+	clk_disable(sport->clk_ipg);
+	clk_disable(sport->clk_per);
 }
 
 /*
@@ -1777,7 +1777,15 @@
 
 	retval = uart_set_options(&sport->port, co, baud, parity, bits, flow);
 
-	clk_disable_unprepare(sport->clk_ipg);
+	clk_disable(sport->clk_ipg);
+	if (retval) {
+		clk_unprepare(sport->clk_ipg);
+		goto error_console;
+	}
+
+	retval = clk_prepare(sport->clk_per);
+	if (retval)
+		clk_disable_unprepare(sport->clk_ipg);
 
 error_console:
 	return retval;
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 5a3fa89..a660ab1 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -242,7 +242,10 @@
 	atomic_inc(&buf->priority);
 
 	mutex_lock(&buf->lock);
-	while ((next = buf->head->next) != NULL) {
+	/* paired w/ release in __tty_buffer_request_room; ensures there are
+	 * no pending memory accesses to the freed buffer
+	 */
+	while ((next = smp_load_acquire(&buf->head->next)) != NULL) {
 		tty_buffer_free(port, buf->head);
 		buf->head = next;
 	}
@@ -290,7 +293,10 @@
 		if (n != NULL) {
 			n->flags = flags;
 			buf->tail = n;
-			b->commit = b->used;
+			/* paired w/ acquire in flush_to_ldisc(); ensures
+			 * flush_to_ldisc() sees buffer data.
+			 */
+			smp_store_release(&b->commit, b->used);
 			/* paired w/ acquire in flush_to_ldisc(); ensures the
 			 * latest commit value can be read before the head is
 			 * advanced to the next buffer
@@ -393,7 +399,10 @@
 {
 	struct tty_bufhead *buf = &port->buf;
 
-	buf->tail->commit = buf->tail->used;
+	/* paired w/ acquire in flush_to_ldisc(); ensures
+	 * flush_to_ldisc() sees buffer data.
+	 */
+	smp_store_release(&buf->tail->commit, buf->tail->used);
 	schedule_work(&buf->work);
 }
 EXPORT_SYMBOL(tty_schedule_flip);
@@ -467,7 +476,7 @@
 	struct tty_struct *tty;
 	struct tty_ldisc *disc;
 
-	tty = port->itty;
+	tty = READ_ONCE(port->itty);
 	if (tty == NULL)
 		return;
 
@@ -491,7 +500,10 @@
 		 * is advancing to the next buffer
 		 */
 		next = smp_load_acquire(&head->next);
-		count = head->commit - head->read;
+		/* paired w/ release in __tty_buffer_request_room() or in
+		 * tty_buffer_flush(); ensures we see the committed buffer data
+		 */
+		count = smp_load_acquire(&head->commit) - head->read;
 		if (!count) {
 			if (next == NULL) {
 				check_other_closed(tty);
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 02785d8..2eefaa6 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2128,8 +2128,24 @@
 	if (!noctty &&
 	    current->signal->leader &&
 	    !current->signal->tty &&
-	    tty->session == NULL)
-		__proc_set_tty(tty);
+	    tty->session == NULL) {
+		/*
+		 * Don't let a process that only has write access to the tty
+		 * obtain the privileges associated with having a tty as
+		 * controlling terminal (being able to reopen it with full
+		 * access through /dev/tty, being able to perform pushback).
+		 * Many distributions set the group of all ttys to "tty" and
+		 * grant write-only access to all terminals for setgid tty
+		 * binaries, which should not imply full privileges on all ttys.
+		 *
+		 * This could theoretically break old code that performs open()
+		 * on a write-only file descriptor. In that case, it might be
+		 * necessary to also permit this if
+		 * inode_permission(inode, MAY_READ) == 0.
+		 */
+		if (filp->f_mode & FMODE_READ)
+			__proc_set_tty(tty);
+	}
 	spin_unlock_irq(&current->sighand->siglock);
 	read_unlock(&tasklist_lock);
 	tty_unlock(tty);
@@ -2418,7 +2434,7 @@
  *		Takes ->siglock() when updating signal->tty
  */
 
-static int tiocsctty(struct tty_struct *tty, int arg)
+static int tiocsctty(struct tty_struct *tty, struct file *file, int arg)
 {
 	int ret = 0;
 
@@ -2452,6 +2468,13 @@
 			goto unlock;
 		}
 	}
+
+	/* See the comment in tty_open(). */
+	if ((file->f_mode & FMODE_READ) == 0 && !capable(CAP_SYS_ADMIN)) {
+		ret = -EPERM;
+		goto unlock;
+	}
+
 	proc_set_tty(tty);
 unlock:
 	read_unlock(&tasklist_lock);
@@ -2844,7 +2867,7 @@
 		no_tty();
 		return 0;
 	case TIOCSCTTY:
-		return tiocsctty(tty, arg);
+		return tiocsctty(tty, file, arg);
 	case TIOCGPGRP:
 		return tiocgpgrp(tty, real_tty, p);
 	case TIOCSPGRP:
@@ -3151,13 +3174,18 @@
 static int tty_cdev_add(struct tty_driver *driver, dev_t dev,
 		unsigned int index, unsigned int count)
 {
+	int err;
+
 	/* init here, since reused cdevs cause crashes */
 	driver->cdevs[index] = cdev_alloc();
 	if (!driver->cdevs[index])
 		return -ENOMEM;
-	cdev_init(driver->cdevs[index], &tty_fops);
+	driver->cdevs[index]->ops = &tty_fops;
 	driver->cdevs[index]->owner = driver->owner;
-	return cdev_add(driver->cdevs[index], dev, count);
+	err = cdev_add(driver->cdevs[index], dev, count);
+	if (err)
+		kobject_put(&driver->cdevs[index]->kobj);
+	return err;
 }
 
 /**
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 867e9f3..dcc50c87 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -61,7 +61,7 @@
 	{ .compatible = "fsl,imx27-usb", .data = &imx27_usb_data},
 	{ .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data},
 	{ .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data},
-	{ .compatible = "fsl,imx6sx-usb", .data = &imx6sl_usb_data},
+	{ .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c
index 9eae1a1..4456d2c 100644
--- a/drivers/usb/chipidea/ci_hdrc_usb2.c
+++ b/drivers/usb/chipidea/ci_hdrc_usb2.c
@@ -12,6 +12,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
 #include <linux/usb/chipidea.h>
@@ -30,18 +31,36 @@
 	.flags		= CI_HDRC_DISABLE_STREAMING,
 };
 
+static struct ci_hdrc_platform_data ci_zynq_pdata = {
+	.capoffset	= DEF_CAPOFFSET,
+};
+
+static const struct of_device_id ci_hdrc_usb2_of_match[] = {
+	{ .compatible = "chipidea,usb2"},
+	{ .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match);
+
 static int ci_hdrc_usb2_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct ci_hdrc_usb2_priv *priv;
 	struct ci_hdrc_platform_data *ci_pdata = dev_get_platdata(dev);
 	int ret;
+	const struct of_device_id *match;
 
 	if (!ci_pdata) {
 		ci_pdata = devm_kmalloc(dev, sizeof(*ci_pdata), GFP_KERNEL);
 		*ci_pdata = ci_default_pdata;	/* struct copy */
 	}
 
+	match = of_match_device(ci_hdrc_usb2_of_match, &pdev->dev);
+	if (match && match->data) {
+		/* struct copy */
+		*ci_pdata = *(struct ci_hdrc_platform_data *)match->data;
+	}
+
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
@@ -96,12 +115,6 @@
 	return 0;
 }
 
-static const struct of_device_id ci_hdrc_usb2_of_match[] = {
-	{ .compatible = "chipidea,usb2" },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match);
-
 static struct platform_driver ci_hdrc_usb2_driver = {
 	.probe	= ci_hdrc_usb2_probe,
 	.remove	= ci_hdrc_usb2_remove,
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index a637da2..8223fe7 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -656,6 +656,44 @@
 	return 0;
 }
 
+static int _ep_set_halt(struct usb_ep *ep, int value, bool check_transfer)
+{
+	struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
+	int direction, retval = 0;
+	unsigned long flags;
+
+	if (ep == NULL || hwep->ep.desc == NULL)
+		return -EINVAL;
+
+	if (usb_endpoint_xfer_isoc(hwep->ep.desc))
+		return -EOPNOTSUPP;
+
+	spin_lock_irqsave(hwep->lock, flags);
+
+	if (value && hwep->dir == TX && check_transfer &&
+		!list_empty(&hwep->qh.queue) &&
+			!usb_endpoint_xfer_control(hwep->ep.desc)) {
+		spin_unlock_irqrestore(hwep->lock, flags);
+		return -EAGAIN;
+	}
+
+	direction = hwep->dir;
+	do {
+		retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value);
+
+		if (!value)
+			hwep->wedge = 0;
+
+		if (hwep->type == USB_ENDPOINT_XFER_CONTROL)
+			hwep->dir = (hwep->dir == TX) ? RX : TX;
+
+	} while (hwep->dir != direction);
+
+	spin_unlock_irqrestore(hwep->lock, flags);
+	return retval;
+}
+
+
 /**
  * _gadget_stop_activity: stops all USB activity, flushes & disables all endpts
  * @gadget: gadget
@@ -1051,7 +1089,7 @@
 				num += ci->hw_ep_max / 2;
 
 			spin_unlock(&ci->lock);
-			err = usb_ep_set_halt(&ci->ci_hw_ep[num].ep);
+			err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false);
 			spin_lock(&ci->lock);
 			if (!err)
 				isr_setup_status_phase(ci);
@@ -1117,8 +1155,8 @@
 
 	if (err < 0) {
 		spin_unlock(&ci->lock);
-		if (usb_ep_set_halt(&hwep->ep))
-			dev_err(ci->dev, "error: ep_set_halt\n");
+		if (_ep_set_halt(&hwep->ep, 1, false))
+			dev_err(ci->dev, "error: _ep_set_halt\n");
 		spin_lock(&ci->lock);
 	}
 }
@@ -1149,9 +1187,9 @@
 					err = isr_setup_status_phase(ci);
 				if (err < 0) {
 					spin_unlock(&ci->lock);
-					if (usb_ep_set_halt(&hwep->ep))
+					if (_ep_set_halt(&hwep->ep, 1, false))
 						dev_err(ci->dev,
-							"error: ep_set_halt\n");
+						"error: _ep_set_halt\n");
 					spin_lock(&ci->lock);
 				}
 			}
@@ -1397,41 +1435,7 @@
  */
 static int ep_set_halt(struct usb_ep *ep, int value)
 {
-	struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
-	int direction, retval = 0;
-	unsigned long flags;
-
-	if (ep == NULL || hwep->ep.desc == NULL)
-		return -EINVAL;
-
-	if (usb_endpoint_xfer_isoc(hwep->ep.desc))
-		return -EOPNOTSUPP;
-
-	spin_lock_irqsave(hwep->lock, flags);
-
-#ifndef STALL_IN
-	/* g_file_storage MS compliant but g_zero fails chapter 9 compliance */
-	if (value && hwep->type == USB_ENDPOINT_XFER_BULK && hwep->dir == TX &&
-	    !list_empty(&hwep->qh.queue)) {
-		spin_unlock_irqrestore(hwep->lock, flags);
-		return -EAGAIN;
-	}
-#endif
-
-	direction = hwep->dir;
-	do {
-		retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value);
-
-		if (!value)
-			hwep->wedge = 0;
-
-		if (hwep->type == USB_ENDPOINT_XFER_CONTROL)
-			hwep->dir = (hwep->dir == TX) ? RX : TX;
-
-	} while (hwep->dir != direction);
-
-	spin_unlock_irqrestore(hwep->lock, flags);
-	return retval;
+	return _ep_set_halt(ep, value, true);
 }
 
 /**
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index b2a540b..b9ddf0c 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -112,7 +112,7 @@
 				cfgno, inum, asnum, ep->desc.bEndpointAddress);
 		ep->ss_ep_comp.bmAttributes = 16;
 	} else if (usb_endpoint_xfer_isoc(&ep->desc) &&
-			desc->bmAttributes > 2) {
+		   USB_SS_MULT(desc->bmAttributes) > 3) {
 		dev_warn(ddev, "Isoc endpoint has Mult of %d in "
 				"config %d interface %d altsetting %d ep %d: "
 				"setting to 3\n", desc->bmAttributes + 1,
@@ -121,7 +121,8 @@
 	}
 
 	if (usb_endpoint_xfer_isoc(&ep->desc))
-		max_tx = (desc->bMaxBurst + 1) * (desc->bmAttributes + 1) *
+		max_tx = (desc->bMaxBurst + 1) *
+			(USB_SS_MULT(desc->bmAttributes)) *
 			usb_endpoint_maxp(&ep->desc);
 	else if (usb_endpoint_xfer_int(&ep->desc))
 		max_tx = usb_endpoint_maxp(&ep->desc) *
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index d85abfe..f5a3819 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -54,6 +54,13 @@
 	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
 	{ USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
 
+	/* Logitech ConferenceCam CC3000e */
+	{ USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT },
+	{ USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT },
+
+	/* Logitech PTZ Pro Camera */
+	{ USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT },
+
 	/* Logitech Quickcam Fusion */
 	{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -78,6 +85,12 @@
 	/* Philips PSC805 audio device */
 	{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Plantronic Audio 655 DSP */
+	{ USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Plantronic Audio 648 USB */
+	{ USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Artisman Watchdog Dongle */
 	{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index a5a1b7c..22e9606 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -514,8 +514,6 @@
 		goto err1;
 	}
 
-	dwc3_omap_enable_irqs(omap);
-
 	ret = dwc3_omap_extcon_register(omap);
 	if (ret < 0)
 		goto err2;
@@ -526,6 +524,8 @@
 		goto err3;
 	}
 
+	dwc3_omap_enable_irqs(omap);
+
 	return 0;
 
 err3:
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 0c25704..1e8bdf8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2665,8 +2665,6 @@
 	int				i;
 	irqreturn_t			ret = IRQ_NONE;
 
-	spin_lock(&dwc->lock);
-
 	for (i = 0; i < dwc->num_event_buffers; i++) {
 		irqreturn_t status;
 
@@ -2675,8 +2673,6 @@
 			ret = status;
 	}
 
-	spin_unlock(&dwc->lock);
-
 	return ret;
 }
 
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 978435a..6399c10 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -186,6 +186,7 @@
 
 	list_for_each_entry (ep, &gadget->ep_list, ep_list) {
 		ep->claimed = false;
+		ep->driver_data = NULL;
 	}
 	gadget->in_epnum = 0;
 	gadget->out_epnum = 0;
diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c
index fdacddb..175ca93 100644
--- a/drivers/usb/gadget/udc/amd5536udc.c
+++ b/drivers/usb/gadget/udc/amd5536udc.c
@@ -3138,8 +3138,8 @@
 	writel(AMD_BIT(UDC_DEVCFG_SOFTRESET), &dev->regs->cfg);
 	if (dev->irq_registered)
 		free_irq(pdev->irq, dev);
-	if (dev->regs)
-		iounmap(dev->regs);
+	if (dev->virt_addr)
+		iounmap(dev->virt_addr);
 	if (dev->mem_region)
 		release_mem_region(pci_resource_start(pdev, 0),
 				pci_resource_len(pdev, 0));
@@ -3226,17 +3226,13 @@
 
 	/* init */
 	dev = kzalloc(sizeof(struct udc), GFP_KERNEL);
-	if (!dev) {
-		retval = -ENOMEM;
-		goto finished;
-	}
+	if (!dev)
+		return -ENOMEM;
 
 	/* pci setup */
 	if (pci_enable_device(pdev) < 0) {
-		kfree(dev);
-		dev = NULL;
 		retval = -ENODEV;
-		goto finished;
+		goto err_pcidev;
 	}
 	dev->active = 1;
 
@@ -3246,28 +3242,22 @@
 
 	if (!request_mem_region(resource, len, name)) {
 		dev_dbg(&pdev->dev, "pci device used already\n");
-		kfree(dev);
-		dev = NULL;
 		retval = -EBUSY;
-		goto finished;
+		goto err_memreg;
 	}
 	dev->mem_region = 1;
 
 	dev->virt_addr = ioremap_nocache(resource, len);
 	if (dev->virt_addr == NULL) {
 		dev_dbg(&pdev->dev, "start address cannot be mapped\n");
-		kfree(dev);
-		dev = NULL;
 		retval = -EFAULT;
-		goto finished;
+		goto err_ioremap;
 	}
 
 	if (!pdev->irq) {
 		dev_err(&pdev->dev, "irq not set\n");
-		kfree(dev);
-		dev = NULL;
 		retval = -ENODEV;
-		goto finished;
+		goto err_irq;
 	}
 
 	spin_lock_init(&dev->lock);
@@ -3283,10 +3273,8 @@
 
 	if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) {
 		dev_dbg(&pdev->dev, "request_irq(%d) fail\n", pdev->irq);
-		kfree(dev);
-		dev = NULL;
 		retval = -EBUSY;
-		goto finished;
+		goto err_irq;
 	}
 	dev->irq_registered = 1;
 
@@ -3314,8 +3302,17 @@
 		return 0;
 
 finished:
-	if (dev)
-		udc_pci_remove(pdev);
+	udc_pci_remove(pdev);
+	return retval;
+
+err_irq:
+	iounmap(dev->virt_addr);
+err_ioremap:
+	release_mem_region(resource, len);
+err_memreg:
+	pci_disable_device(pdev);
+err_pcidev:
+	kfree(dev);
 	return retval;
 }
 
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 3dfada8..f0f2b06 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -2002,6 +2002,17 @@
 		ep->udc = udc;
 		INIT_LIST_HEAD(&ep->queue);
 
+		if (ep->index == 0) {
+			ep->ep.caps.type_control = true;
+		} else {
+			ep->ep.caps.type_iso = ep->can_isoc;
+			ep->ep.caps.type_bulk = true;
+			ep->ep.caps.type_int = true;
+		}
+
+		ep->ep.caps.dir_in = true;
+		ep->ep.caps.dir_out = true;
+
 		if (i)
 			list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
 
diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c
index 5c8f4ef..ccb9c21 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_core.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_core.c
@@ -324,8 +324,7 @@
 				bdc->scratchpad.buff, bdc->scratchpad.sp_dma);
 
 	/* Destroy the dma pools */
-	if (bdc->bd_table_pool)
-		dma_pool_destroy(bdc->bd_table_pool);
+	dma_pool_destroy(bdc->bd_table_pool);
 
 	/* Free the bdc_ep array */
 	kfree(bdc->bdc_ep_array);
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
index d1b8153..d619950 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
@@ -159,8 +159,10 @@
 		bd_table->start_bd = dma_pool_alloc(bdc->bd_table_pool,
 							GFP_ATOMIC,
 							&dma);
-		if (!bd_table->start_bd)
+		if (!bd_table->start_bd) {
+			kfree(bd_table);
 			goto fail;
+		}
 
 		bd_table->dma = dma;
 
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 1379ad4..27af0f0 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -1348,6 +1348,7 @@
 {
 	struct dummy		*dum = dum_hcd->dum;
 	struct dummy_request	*req;
+	int			sent = 0;
 
 top:
 	/* if there's no request queued, the device is NAKing; return */
@@ -1385,12 +1386,15 @@
 			if (len == 0)
 				break;
 
-			/* use an extra pass for the final short packet */
-			if (len > ep->ep.maxpacket) {
-				rescan = 1;
-				len -= (len % ep->ep.maxpacket);
+			/* send multiple of maxpacket first, then remainder */
+			if (len >= ep->ep.maxpacket) {
+				is_short = 0;
+				if (len % ep->ep.maxpacket)
+					rescan = 1;
+				len -= len % ep->ep.maxpacket;
+			} else {
+				is_short = 1;
 			}
-			is_short = (len % ep->ep.maxpacket) != 0;
 
 			len = dummy_perform_transfer(urb, req, len);
 
@@ -1399,6 +1403,7 @@
 				req->req.status = len;
 			} else {
 				limit -= len;
+				sent += len;
 				urb->actual_length += len;
 				req->req.actual += len;
 			}
@@ -1421,7 +1426,7 @@
 					*status = -EOVERFLOW;
 				else
 					*status = 0;
-			} else if (!to_host) {
+			} else {
 				*status = 0;
 				if (host_len > dev_len)
 					req->req.status = -EOVERFLOW;
@@ -1429,15 +1434,24 @@
 					req->req.status = 0;
 			}
 
-		/* many requests terminate without a short packet */
+		/*
+		 * many requests terminate without a short packet.
+		 * send a zlp if demanded by flags.
+		 */
 		} else {
-			if (req->req.length == req->req.actual
-					&& !req->req.zero)
-				req->req.status = 0;
-			if (urb->transfer_buffer_length == urb->actual_length
-					&& !(urb->transfer_flags
-						& URB_ZERO_PACKET))
-				*status = 0;
+			if (req->req.length == req->req.actual) {
+				if (req->req.zero && to_host)
+					rescan = 1;
+				else
+					req->req.status = 0;
+			}
+			if (urb->transfer_buffer_length == urb->actual_length) {
+				if (urb->transfer_flags & URB_ZERO_PACKET &&
+				    !to_host)
+					rescan = 1;
+				else
+					*status = 0;
+			}
 		}
 
 		/* device side completion --> continuable */
@@ -1460,7 +1474,7 @@
 		if (rescan)
 			goto top;
 	}
-	return limit;
+	return sent;
 }
 
 static int periodic_bytes(struct dummy *dum, struct dummy_ep *ep)
@@ -1890,7 +1904,7 @@
 		default:
 treat_control_like_bulk:
 			ep->last_io = jiffies;
-			total = transfer(dum_hcd, urb, ep, limit, &status);
+			total -= transfer(dum_hcd, urb, ep, limit, &status);
 			break;
 		}
 
diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 8aa2593..b9429bc 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -2117,8 +2117,7 @@
 		return -EBUSY;
 
 	gr_dfs_delete(dev);
-	if (dev->desc_pool)
-		dma_pool_destroy(dev->desc_pool);
+	dma_pool_destroy(dev->desc_pool);
 	platform_set_drvdata(pdev, NULL);
 
 	gr_free_request(&dev->epi[0].ep, &dev->ep0reqi->req);
diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c
index 4c48969..dafe74e 100644
--- a/drivers/usb/gadget/udc/mv_u3d_core.c
+++ b/drivers/usb/gadget/udc/mv_u3d_core.c
@@ -1767,8 +1767,7 @@
 	usb_del_gadget_udc(&u3d->gadget);
 
 	/* free memory allocated in probe */
-	if (u3d->trb_pool)
-		dma_pool_destroy(u3d->trb_pool);
+	dma_pool_destroy(u3d->trb_pool);
 
 	if (u3d->ep_context)
 		dma_free_coherent(&dev->dev, u3d->ep_context_size,
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
index 339af51..81b6229 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -2100,8 +2100,7 @@
 	}
 
 	/* free memory allocated in probe */
-	if (udc->dtd_pool)
-		dma_pool_destroy(udc->dtd_pool);
+	dma_pool_destroy(udc->dtd_pool);
 
 	if (udc->ep_dqh)
 		dma_free_coherent(&pdev->dev, udc->ep_dqh_size,
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 9a8c936..41f841f 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1498,10 +1498,10 @@
 	 * use Event Data TRBs, and we don't chain in a link TRB on short
 	 * transfers, we're basically dividing by 1.
 	 *
-	 * xHCI 1.0 specification indicates that the Average TRB Length should
-	 * be set to 8 for control endpoints.
+	 * xHCI 1.0 and 1.1 specification indicates that the Average TRB Length
+	 * should be set to 8 for control endpoints.
 	 */
-	if (usb_endpoint_xfer_control(&ep->desc) && xhci->hci_version == 0x100)
+	if (usb_endpoint_xfer_control(&ep->desc) && xhci->hci_version >= 0x100)
 		ep_ctx->tx_info |= cpu_to_le32(AVG_TRB_LENGTH_FOR_EP(8));
 	else
 		ep_ctx->tx_info |=
@@ -1792,8 +1792,7 @@
 	int size;
 	int i, j, num_ports;
 
-	if (timer_pending(&xhci->cmd_timer))
-		del_timer_sync(&xhci->cmd_timer);
+	del_timer_sync(&xhci->cmd_timer);
 
 	/* Free the Event Ring Segment Table and the actual Event Ring */
 	size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
@@ -2321,6 +2320,10 @@
 
 	INIT_LIST_HEAD(&xhci->cmd_list);
 
+	/* init command timeout timer */
+	setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout,
+		    (unsigned long)xhci);
+
 	page_size = readl(&xhci->op_regs->page_size);
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
 			"Supported page size register = 0x%x", page_size);
@@ -2505,10 +2508,6 @@
 			"Wrote ERST address to ir_set 0.");
 	xhci_print_ir_set(xhci, 0);
 
-	/* init command timeout timer */
-	setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout,
-		    (unsigned long)xhci);
-
 	/*
 	 * XXX: Might need to set the Interrupter Moderation Register to
 	 * something other than the default (~1ms minimum between interrupts).
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 5590eac..c79d336 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -180,51 +180,6 @@
 				"QUIRK: Resetting on resume");
 }
 
-/*
- * In some Intel xHCI controllers, in order to get D3 working,
- * through a vendor specific SSIC CONFIG register at offset 0x883c,
- * SSIC PORT need to be marked as "unused" before putting xHCI
- * into D3. After D3 exit, the SSIC port need to be marked as "used".
- * Without this change, xHCI might not enter D3 state.
- * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
- * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4
- */
-static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend)
-{
-	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
-	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
-	u32 val;
-	void __iomem *reg;
-
-	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
-		 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) {
-
-		reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2;
-
-		/* Notify SSIC that SSIC profile programming is not done */
-		val = readl(reg) & ~PROG_DONE;
-		writel(val, reg);
-
-		/* Mark SSIC port as unused(suspend) or used(resume) */
-		val = readl(reg);
-		if (suspend)
-			val |= SSIC_PORT_UNUSED;
-		else
-			val &= ~SSIC_PORT_UNUSED;
-		writel(val, reg);
-
-		/* Notify SSIC that SSIC profile programming is done */
-		val = readl(reg) | PROG_DONE;
-		writel(val, reg);
-		readl(reg);
-	}
-
-	reg = (void __iomem *) xhci->cap_regs + 0x80a4;
-	val = readl(reg);
-	writel(val | BIT(28), reg);
-	readl(reg);
-}
-
 #ifdef CONFIG_ACPI
 static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
 {
@@ -345,6 +300,51 @@
 }
 
 #ifdef CONFIG_PM
+/*
+ * In some Intel xHCI controllers, in order to get D3 working,
+ * through a vendor specific SSIC CONFIG register at offset 0x883c,
+ * SSIC PORT need to be marked as "unused" before putting xHCI
+ * into D3. After D3 exit, the SSIC port need to be marked as "used".
+ * Without this change, xHCI might not enter D3 state.
+ * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
+ * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4
+ */
+static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend)
+{
+	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
+	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
+	u32 val;
+	void __iomem *reg;
+
+	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+		 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) {
+
+		reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2;
+
+		/* Notify SSIC that SSIC profile programming is not done */
+		val = readl(reg) & ~PROG_DONE;
+		writel(val, reg);
+
+		/* Mark SSIC port as unused(suspend) or used(resume) */
+		val = readl(reg);
+		if (suspend)
+			val |= SSIC_PORT_UNUSED;
+		else
+			val &= ~SSIC_PORT_UNUSED;
+		writel(val, reg);
+
+		/* Notify SSIC that SSIC profile programming is done */
+		val = readl(reg) | PROG_DONE;
+		writel(val, reg);
+		readl(reg);
+	}
+
+	reg = (void __iomem *) xhci->cap_regs + 0x80a4;
+	val = readl(reg);
+	writel(val | BIT(28), reg);
+	readl(reg);
+}
+
 static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 {
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index a47a1e8..43291f9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -302,6 +302,15 @@
 	ret = xhci_handshake(&xhci->op_regs->cmd_ring,
 			CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
 	if (ret < 0) {
+		/* we are about to kill xhci, give it one more chance */
+		xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
+			      &xhci->op_regs->cmd_ring);
+		udelay(1000);
+		ret = xhci_handshake(&xhci->op_regs->cmd_ring,
+				     CMD_RING_RUNNING, 0, 3 * 1000 * 1000);
+		if (ret == 0)
+			return 0;
+
 		xhci_err(xhci, "Stopped the command ring failed, "
 				"maybe the host is dead\n");
 		xhci->xhc_state |= XHCI_STATE_DYING;
@@ -3461,8 +3470,8 @@
 	if (start_cycle == 0)
 		field |= 0x1;
 
-	/* xHCI 1.0 6.4.1.2.1: Transfer Type field */
-	if (xhci->hci_version == 0x100) {
+	/* xHCI 1.0/1.1 6.4.1.2.1: Transfer Type field */
+	if (xhci->hci_version >= 0x100) {
 		if (urb->transfer_buffer_length > 0) {
 			if (setup->bRequestType & USB_DIR_IN)
 				field |= TRB_TX_TYPE(TRB_DATA_IN);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6b0f4a4..9957bd9 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -146,7 +146,8 @@
 				"waited %u microseconds.\n",
 				XHCI_MAX_HALT_USEC);
 	if (!ret)
-		xhci->xhc_state &= ~XHCI_STATE_HALTED;
+		xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING);
+
 	return ret;
 }
 
@@ -654,15 +655,6 @@
 }
 EXPORT_SYMBOL_GPL(xhci_run);
 
-static void xhci_only_stop_hcd(struct usb_hcd *hcd)
-{
-	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
-
-	spin_lock_irq(&xhci->lock);
-	xhci_halt(xhci);
-	spin_unlock_irq(&xhci->lock);
-}
-
 /*
  * Stop xHCI driver.
  *
@@ -677,12 +669,14 @@
 	u32 temp;
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-	if (!usb_hcd_is_primary_hcd(hcd)) {
-		xhci_only_stop_hcd(xhci->shared_hcd);
+	if (xhci->xhc_state & XHCI_STATE_HALTED)
 		return;
-	}
 
+	mutex_lock(&xhci->mutex);
 	spin_lock_irq(&xhci->lock);
+	xhci->xhc_state |= XHCI_STATE_HALTED;
+	xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
+
 	/* Make sure the xHC is halted for a USB3 roothub
 	 * (xhci_stop() could be called as part of failed init).
 	 */
@@ -717,6 +711,7 @@
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
 			"xhci_stop completed - status = %x",
 			readl(&xhci->op_regs->status));
+	mutex_unlock(&xhci->mutex);
 }
 
 /*
@@ -3793,6 +3788,9 @@
 
 	mutex_lock(&xhci->mutex);
 
+	if (xhci->xhc_state)	/* dying or halted */
+		goto out;
+
 	if (!udev->slot_id) {
 		xhci_dbg_trace(xhci, trace_xhci_dbg_address,
 				"Bad Slot ID %d", udev->slot_id);
diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c
index 3ad5d19..23c7948 100644
--- a/drivers/usb/misc/chaoskey.c
+++ b/drivers/usb/misc/chaoskey.c
@@ -472,7 +472,7 @@
 	if (this_time > max)
 		this_time = max;
 
-	memcpy(data, dev->buf, this_time);
+	memcpy(data, dev->buf + dev->used, this_time);
 
 	dev->used += this_time;
 
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 514a6cd..4a518ff 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1051,6 +1051,7 @@
 	 * (c) peripheral initiates, using SRP
 	 */
 	if (musb->port_mode != MUSB_PORT_MODE_HOST &&
+			musb->xceiv->otg->state != OTG_STATE_A_WAIT_BCON &&
 			(devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {
 		musb->is_active = 1;
 	} else {
@@ -2448,6 +2449,9 @@
 	struct musb	*musb = dev_to_musb(dev);
 	unsigned long	flags;
 
+	musb_platform_disable(musb);
+	musb_generic_disable(musb);
+
 	spin_lock_irqsave(&musb->lock, flags);
 
 	if (is_peripheral_active(musb)) {
@@ -2501,6 +2505,9 @@
 	pm_runtime_disable(dev);
 	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);
+
+	musb_start(musb);
+
 	return 0;
 }
 
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index d07cafb..e499b86 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -551,6 +551,9 @@
 	} else {
 		cppi41_set_autoreq_mode(cppi41_channel, EP_MODE_AUTOREQ_NONE);
 
+		/* delay to drain to cppi dma pipeline for isoch */
+		udelay(250);
+
 		csr = musb_readw(epio, MUSB_RXCSR);
 		csr &= ~(MUSB_RXCSR_H_REQPKT | MUSB_RXCSR_DMAENAB);
 		musb_writew(epio, MUSB_RXCSR, csr);
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index a0cfead..84512d1 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -225,8 +225,11 @@
 
 	dsps_writel(reg_base, wrp->epintr_set, epmask);
 	dsps_writel(reg_base, wrp->coreintr_set, coremask);
-	/* start polling for ID change. */
-	mod_timer(&glue->timer, jiffies + msecs_to_jiffies(wrp->poll_timeout));
+	/* start polling for ID change in dual-role idle mode */
+	if (musb->xceiv->otg->state == OTG_STATE_B_IDLE &&
+			musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE)
+		mod_timer(&glue->timer, jiffies +
+				msecs_to_jiffies(wrp->poll_timeout));
 	dsps_musb_try_idle(musb, 0);
 }
 
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index 39168fe..b2685e7 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -379,6 +379,8 @@
         {}
 };
 
+MODULE_DEVICE_TABLE(of, ux500_match);
+
 static struct platform_driver ux500_driver = {
 	.probe		= ux500_probe,
 	.remove		= ux500_remove,
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 7d3beee..1731324 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -155,7 +155,7 @@
 config USB_QCOM_8X16_PHY
 	tristate "Qualcomm APQ8016/MSM8916 on-chip USB PHY controller support"
 	depends on ARCH_QCOM || COMPILE_TEST
-	depends on RESET_CONTROLLER
+	depends on RESET_CONTROLLER && EXTCON
 	select USB_PHY
 	select USB_ULPI_VIEWPORT
 	help
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index ec6ecd0..5320cb8 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -232,7 +232,8 @@
 		clk_rate = pdata->clk_rate;
 		needs_vcc = pdata->needs_vcc;
 		if (gpio_is_valid(pdata->gpio_reset)) {
-			err = devm_gpio_request_one(dev, pdata->gpio_reset, 0,
+			err = devm_gpio_request_one(dev, pdata->gpio_reset,
+						    GPIOF_ACTIVE_LOW,
 						    dev_name(dev));
 			if (!err)
 				nop->gpiod_reset =
diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c
index 8a55b37..db68156 100644
--- a/drivers/usb/phy/phy-isp1301.c
+++ b/drivers/usb/phy/phy-isp1301.c
@@ -31,6 +31,7 @@
 	{ "isp1301", 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, isp1301_id);
 
 static struct i2c_client *isp1301_i2c_client;
 
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 7b98e1d..d82fa36 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -476,6 +476,11 @@
 		.compatible = "renesas,usbhs-r8a7794",
 		.data = (void *)USBHS_TYPE_RCAR_GEN2,
 	},
+	{
+		/* Gen3 is compatible with Gen2 */
+		.compatible = "renesas,usbhs-r8a7795",
+		.data = (void *)USBHS_TYPE_RCAR_GEN2,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, usbhs_of_match);
@@ -493,7 +498,7 @@
 		return NULL;
 
 	dparam = &info->driver_param;
-	dparam->type = of_id ? (u32)of_id->data : 0;
+	dparam->type = of_id ? (uintptr_t)of_id->data : 0;
 	if (!of_property_read_u32(dev->of_node, "renesas,buswait", &tmp))
 		dparam->buswait_bwait = tmp;
 	gpio = of_get_named_gpio_flags(dev->of_node, "renesas,enable-gpio", 0,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6d1941a..6956c4f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -278,6 +278,10 @@
 #define ZTE_PRODUCT_MF622			0x0001
 #define ZTE_PRODUCT_MF628			0x0015
 #define ZTE_PRODUCT_MF626			0x0031
+#define ZTE_PRODUCT_ZM8620_X			0x0396
+#define ZTE_PRODUCT_ME3620_MBIM			0x0426
+#define ZTE_PRODUCT_ME3620_X			0x1432
+#define ZTE_PRODUCT_ME3620_L			0x1433
 #define ZTE_PRODUCT_AC2726			0xfff1
 #define ZTE_PRODUCT_MG880			0xfffd
 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
@@ -544,6 +548,18 @@
 	.sendsetup = BIT(1) | BIT(2) | BIT(3),
 };
 
+static const struct option_blacklist_info zte_me3620_mbim_blacklist = {
+	.reserved = BIT(2) | BIT(3) | BIT(4),
+};
+
+static const struct option_blacklist_info zte_me3620_xl_blacklist = {
+	.reserved = BIT(3) | BIT(4) | BIT(5),
+};
+
+static const struct option_blacklist_info zte_zm8620_x_blacklist = {
+	.reserved = BIT(3) | BIT(4) | BIT(5),
+};
+
 static const struct option_blacklist_info huawei_cdc12_blacklist = {
 	.reserved = BIT(1) | BIT(2),
 };
@@ -1591,6 +1607,14 @@
 	 .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
 	 .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
+	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ME3620_L),
+	 .driver_info = (kernel_ulong_t)&zte_me3620_xl_blacklist },
+	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ME3620_MBIM),
+	 .driver_info = (kernel_ulong_t)&zte_me3620_mbim_blacklist },
+	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ME3620_X),
+	 .driver_info = (kernel_ulong_t)&zte_me3620_xl_blacklist },
+	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ZM8620_X),
+	 .driver_info = (kernel_ulong_t)&zte_zm8620_x_blacklist },
 	{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) },
 	{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) },
 	{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) },
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 6c3734d..d3ea90b 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -80,6 +80,8 @@
 static int  whiteheat_firmware_attach(struct usb_serial *serial);
 
 /* function prototypes for the Connect Tech WhiteHEAT serial converter */
+static int whiteheat_probe(struct usb_serial *serial,
+				const struct usb_device_id *id);
 static int  whiteheat_attach(struct usb_serial *serial);
 static void whiteheat_release(struct usb_serial *serial);
 static int  whiteheat_port_probe(struct usb_serial_port *port);
@@ -116,6 +118,7 @@
 	.description =		"Connect Tech - WhiteHEAT",
 	.id_table =		id_table_std,
 	.num_ports =		4,
+	.probe =		whiteheat_probe,
 	.attach =		whiteheat_attach,
 	.release =		whiteheat_release,
 	.port_probe =		whiteheat_port_probe,
@@ -217,6 +220,34 @@
 /*****************************************************************************
  * Connect Tech's White Heat serial driver functions
  *****************************************************************************/
+
+static int whiteheat_probe(struct usb_serial *serial,
+				const struct usb_device_id *id)
+{
+	struct usb_host_interface *iface_desc;
+	struct usb_endpoint_descriptor *endpoint;
+	size_t num_bulk_in = 0;
+	size_t num_bulk_out = 0;
+	size_t min_num_bulk;
+	unsigned int i;
+
+	iface_desc = serial->interface->cur_altsetting;
+
+	for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
+		endpoint = &iface_desc->endpoint[i].desc;
+		if (usb_endpoint_is_bulk_in(endpoint))
+			++num_bulk_in;
+		if (usb_endpoint_is_bulk_out(endpoint))
+			++num_bulk_out;
+	}
+
+	min_num_bulk = COMMAND_PORT + 1;
+	if (num_bulk_in < min_num_bulk || num_bulk_out < min_num_bulk)
+		return -ENODEV;
+
+	return 0;
+}
+
 static int whiteheat_attach(struct usb_serial *serial)
 {
 	struct usb_serial_port *command_port;
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 7d137a4..9eda69e 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -61,8 +61,7 @@
 enum {
 	VHOST_NET_FEATURES = VHOST_FEATURES |
 			 (1ULL << VHOST_NET_F_VIRTIO_NET_HDR) |
-			 (1ULL << VIRTIO_NET_F_MRG_RXBUF) |
-			 (1ULL << VIRTIO_F_VERSION_1),
+			 (1ULL << VIRTIO_NET_F_MRG_RXBUF)
 };
 
 enum {
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index f114a9d..e25a236 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -166,9 +166,7 @@
 /* Note: can't set VIRTIO_F_VERSION_1 yet, since that implies ANY_LAYOUT. */
 enum {
 	VHOST_SCSI_FEATURES = VHOST_FEATURES | (1ULL << VIRTIO_SCSI_F_HOTPLUG) |
-					       (1ULL << VIRTIO_SCSI_F_T10_PI) |
-					       (1ULL << VIRTIO_F_ANY_LAYOUT) |
-					       (1ULL << VIRTIO_F_VERSION_1)
+					       (1ULL << VIRTIO_SCSI_F_T10_PI)
 };
 
 #define VHOST_SCSI_MAX_TARGET	256
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index d9c501e..f2882ac 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -277,10 +277,13 @@
 			return -EFAULT;
 		return 0;
 	case VHOST_SET_FEATURES:
+		printk(KERN_ERR "1\n");
 		if (copy_from_user(&features, featurep, sizeof features))
 			return -EFAULT;
+		printk(KERN_ERR "2\n");
 		if (features & ~VHOST_FEATURES)
 			return -EOPNOTSUPP;
+		printk(KERN_ERR "3\n");
 		return vhost_test_set_features(n, features);
 	case VHOST_RESET_OWNER:
 		return vhost_test_reset_owner(n);
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index ce6f6da..4772862 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -173,7 +173,9 @@
 	VHOST_FEATURES = (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) |
 			 (1ULL << VIRTIO_RING_F_INDIRECT_DESC) |
 			 (1ULL << VIRTIO_RING_F_EVENT_IDX) |
-			 (1ULL << VHOST_F_LOG_ALL),
+			 (1ULL << VHOST_F_LOG_ALL) |
+			 (1ULL << VIRTIO_F_ANY_LAYOUT) |
+			 (1ULL << VIRTIO_F_VERSION_1)
 };
 
 static inline bool vhost_has_feature(struct vhost_virtqueue *vq, int bit)
diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c
index 0e5fde1d..9f9a7be 100644
--- a/drivers/video/fbdev/broadsheetfb.c
+++ b/drivers/video/fbdev/broadsheetfb.c
@@ -752,7 +752,7 @@
 	if ((fw_entry->size < 8*1024) || (fw_entry->size > 64*1024)) {
 		dev_err(dev, "Invalid waveform\n");
 		err = -EINVAL;
-		goto err_failed;
+		goto err_fw;
 	}
 
 	mutex_lock(&(par->io_lock));
@@ -762,13 +762,15 @@
 	mutex_unlock(&(par->io_lock));
 	if (err < 0) {
 		dev_err(dev, "Failed to store broadsheet waveform\n");
-		goto err_failed;
+		goto err_fw;
 	}
 
 	dev_info(dev, "Stored broadsheet waveform, size %zd\n", fw_entry->size);
 
-	return len;
+	err = len;
 
+err_fw:
+	release_firmware(fw_entry);
 err_failed:
 	return err;
 }
diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index 7fa2e6f..b335c1a 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -1628,9 +1628,16 @@
 static int fsl_diu_resume(struct platform_device *ofdev)
 {
 	struct fsl_diu_data *data;
+	unsigned int i;
 
 	data = dev_get_drvdata(&ofdev->dev);
-	enable_lcdc(data->fsl_diu_info);
+
+	fsl_diu_enable_interrupts(data);
+	update_lcdc(data->fsl_diu_info);
+	for (i = 0; i < NUM_AOIS; i++) {
+		if (data->mfb[i].count)
+			fsl_diu_enable_panel(&data->fsl_diu_info[i]);
+	}
 
 	return 0;
 }
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index 9b8bebd..f9ec5c0 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -831,6 +831,7 @@
 	{ .compatible = "fujitsu,coral", },
 	{ /* end */ }
 };
+MODULE_DEVICE_TABLE(of, of_platform_mb862xx_tbl);
 
 static struct platform_driver of_platform_mb862xxfb_driver = {
 	.driver = {
diff --git a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c
index a8ce920..d811e6d 100644
--- a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c
+++ b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c
@@ -294,7 +294,7 @@
 
 	adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
 	if (adapter_node) {
-		adapter = of_find_i2c_adapter_by_node(adapter_node);
+		adapter = of_get_i2c_adapter_by_node(adapter_node);
 		if (adapter == NULL) {
 			dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
 			omap_dss_put_device(ddata->in);
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c
index 90cbc4c..c581231 100644
--- a/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c
+++ b/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c
@@ -898,6 +898,7 @@
 	{ .compatible = "omapdss,sony,acx565akm", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, acx565akm_of_match);
 
 static struct spi_driver acx565akm_driver = {
 	.driver = {
diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 7ed9a22..01b43e9 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -226,7 +226,7 @@
 	writemmr(par, DST1, point(x, y));
 	writemmr(par, DST2, point(x + w - 1, y + h - 1));
 
-	memcpy(par->io_virt + 0x10000, data, 4 * size);
+	iowrite32_rep(par->io_virt + 0x10000, data, size);
 }
 
 static void blade_copy_rect(struct tridentfb_par *par,
@@ -673,8 +673,14 @@
 static inline void set_lwidth(struct tridentfb_par *par, int width)
 {
 	write3X4(par, VGA_CRTC_OFFSET, width & 0xFF);
-	write3X4(par, AddColReg,
-		 (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4));
+	/* chips older than TGUI9660 have only 1 width bit in AddColReg */
+	/* touching the other one breaks I2C/DDC */
+	if (par->chip_id == TGUI9440 || par->chip_id == CYBER9320)
+		write3X4(par, AddColReg,
+		     (read3X4(par, AddColReg) & 0xEF) | ((width & 0x100) >> 4));
+	else
+		write3X4(par, AddColReg,
+		     (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4));
 }
 
 /* For resolutions smaller than FP resolution stretch */
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index 32d8275..8a1076b 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -210,6 +210,7 @@
 			 */
 			pr_err("%s: error in timing %d\n",
 				of_node_full_name(np), disp->num_timings + 1);
+			kfree(dt);
 			goto timingfail;
 		}
 
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index c68edc1..79e1aa1 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -817,8 +817,9 @@
 	tristate "Intel TCO Timer/Watchdog"
 	depends on (X86 || IA64) && PCI
 	select WATCHDOG_CORE
+	depends on I2C || I2C=n
 	select LPC_ICH if !EXPERT
-	select I2C_I801 if !EXPERT
+	select I2C_I801 if !EXPERT && I2C
 	---help---
 	  Hardware driver for the intel TCO timer based watchdog devices.
 	  These drivers are included in the Intel 82801 I/O Controller
diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c
index 66c3e65..8a5ce5b 100644
--- a/drivers/watchdog/bcm2835_wdt.c
+++ b/drivers/watchdog/bcm2835_wdt.c
@@ -36,6 +36,13 @@
 #define PM_RSTC_WRCFG_FULL_RESET	0x00000020
 #define PM_RSTC_RESET			0x00000102
 
+/*
+ * The Raspberry Pi firmware uses the RSTS register to know which partiton
+ * to boot from. The partiton value is spread into bits 0, 2, 4, 6, 8, 10.
+ * Partiton 63 is a special partition used by the firmware to indicate halt.
+ */
+#define PM_RSTS_RASPBERRYPI_HALT	0x555
+
 #define SECS_TO_WDOG_TICKS(x) ((x) << 16)
 #define WDOG_TICKS_TO_SECS(x) ((x) >> 16)
 
@@ -151,8 +158,7 @@
 	 * hard reset.
 	 */
 	val = readl_relaxed(wdt->base + PM_RSTS);
-	val &= PM_RSTC_WRCFG_CLR;
-	val |= PM_PASSWORD | PM_RSTS_HADWRH_SET;
+	val |= PM_PASSWORD | PM_RSTS_RASPBERRYPI_HALT;
 	writel_relaxed(val, wdt->base + PM_RSTS);
 
 	/* Continue with normal reset mechanism */
diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c
index cc1bdfc..006e234 100644
--- a/drivers/watchdog/gef_wdt.c
+++ b/drivers/watchdog/gef_wdt.c
@@ -303,6 +303,7 @@
 	},
 	{},
 };
+MODULE_DEVICE_TABLE(of, gef_wdt_ids);
 
 static struct platform_driver gef_wdt_driver = {
 	.driver = {
diff --git a/drivers/watchdog/mena21_wdt.c b/drivers/watchdog/mena21_wdt.c
index 6901300..098fa9c 100644
--- a/drivers/watchdog/mena21_wdt.c
+++ b/drivers/watchdog/mena21_wdt.c
@@ -253,6 +253,7 @@
 	{ .compatible = "men,a021-wdt" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, a21_wdt_ids);
 
 static struct platform_driver a21_wdt_driver = {
 	.probe = a21_wdt_probe,
diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c
index 2789da2..60b0605 100644
--- a/drivers/watchdog/moxart_wdt.c
+++ b/drivers/watchdog/moxart_wdt.c
@@ -168,6 +168,7 @@
 	{ .compatible = "moxa,moxart-watchdog" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, moxart_watchdog_match);
 
 static struct platform_driver moxart_wdt_driver = {
 	.probe      = moxart_wdt_probe,
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 22ea424..073bb57 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1242,6 +1242,13 @@
 				goto out_clear;
 			}
 			bd_set_size(bdev, (loff_t)bdev->bd_part->nr_sects << 9);
+			/*
+			 * If the partition is not aligned on a page
+			 * boundary, we can't do dax I/O to it.
+			 */
+			if ((bdev->bd_part->start_sect % (PAGE_SIZE / 512)) ||
+			    (bdev->bd_part->nr_sects % (PAGE_SIZE / 512)))
+				bdev->bd_inode->i_flags &= ~S_DAX;
 		}
 	} else {
 		if (bdev->bd_contains == bdev) {
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 81220b2..0ef5cc1 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -44,8 +44,6 @@
 #define BTRFS_INODE_IN_DELALLOC_LIST		9
 #define BTRFS_INODE_READDIO_NEED_LOCK		10
 #define BTRFS_INODE_HAS_PROPS		        11
-/* DIO is ready to submit */
-#define BTRFS_INODE_DIO_READY		        12
 /*
  * The following 3 bits are meant only for the btree inode.
  * When any of them is set, it means an error happened while writing an
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0d98aee..1e60d00 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2847,6 +2847,8 @@
 	    !extent_buffer_uptodate(chunk_root->node)) {
 		printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n",
 		       sb->s_id);
+		if (!IS_ERR(chunk_root->node))
+			free_extent_buffer(chunk_root->node);
 		chunk_root->node = NULL;
 		goto fail_tree_roots;
 	}
@@ -2885,6 +2887,8 @@
 	    !extent_buffer_uptodate(tree_root->node)) {
 		printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n",
 		       sb->s_id);
+		if (!IS_ERR(tree_root->node))
+			free_extent_buffer(tree_root->node);
 		tree_root->node = NULL;
 		goto recovery_tree_root;
 	}
@@ -3765,9 +3769,7 @@
 		 * block groups queued for removal, the deletion will be
 		 * skipped when we quit the cleaner thread.
 		 */
-		mutex_lock(&root->fs_info->cleaner_mutex);
 		btrfs_delete_unused_bgs(root->fs_info);
-		mutex_unlock(&root->fs_info->cleaner_mutex);
 
 		ret = btrfs_commit_super(root);
 		if (ret)
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 8d05220..2513a7f 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -112,11 +112,11 @@
 	u32 generation;
 
 	if (fh_type == FILEID_BTRFS_WITH_PARENT) {
-		if (fh_len !=  BTRFS_FID_SIZE_CONNECTABLE)
+		if (fh_len <  BTRFS_FID_SIZE_CONNECTABLE)
 			return NULL;
 		root_objectid = fid->root_objectid;
 	} else if (fh_type == FILEID_BTRFS_WITH_PARENT_ROOT) {
-		if (fh_len != BTRFS_FID_SIZE_CONNECTABLE_ROOT)
+		if (fh_len < BTRFS_FID_SIZE_CONNECTABLE_ROOT)
 			return NULL;
 		root_objectid = fid->parent_root_objectid;
 	} else
@@ -136,11 +136,11 @@
 	u32 generation;
 
 	if ((fh_type != FILEID_BTRFS_WITH_PARENT ||
-	     fh_len != BTRFS_FID_SIZE_CONNECTABLE) &&
+	     fh_len < BTRFS_FID_SIZE_CONNECTABLE) &&
 	    (fh_type != FILEID_BTRFS_WITH_PARENT_ROOT ||
-	     fh_len != BTRFS_FID_SIZE_CONNECTABLE_ROOT) &&
+	     fh_len < BTRFS_FID_SIZE_CONNECTABLE_ROOT) &&
 	    (fh_type != FILEID_BTRFS_WITHOUT_PARENT ||
-	     fh_len != BTRFS_FID_SIZE_NON_CONNECTABLE))
+	     fh_len < BTRFS_FID_SIZE_NON_CONNECTABLE))
 		return NULL;
 
 	objectid = fid->objectid;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5411f0a..601d7d4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2828,6 +2828,7 @@
 	struct btrfs_delayed_ref_head *head;
 	int ret;
 	int run_all = count == (unsigned long)-1;
+	bool can_flush_pending_bgs = trans->can_flush_pending_bgs;
 
 	/* We'll clean this up in btrfs_cleanup_transaction */
 	if (trans->aborted)
@@ -2844,6 +2845,7 @@
 #ifdef SCRAMBLE_DELAYED_REFS
 	delayed_refs->run_delayed_start = find_middle(&delayed_refs->root);
 #endif
+	trans->can_flush_pending_bgs = false;
 	ret = __btrfs_run_delayed_refs(trans, root, count);
 	if (ret < 0) {
 		btrfs_abort_transaction(trans, root, ret);
@@ -2893,6 +2895,7 @@
 	}
 out:
 	assert_qgroups_uptodate(trans);
+	trans->can_flush_pending_bgs = can_flush_pending_bgs;
 	return 0;
 }
 
@@ -3742,10 +3745,7 @@
 	found->bytes_reserved = 0;
 	found->bytes_readonly = 0;
 	found->bytes_may_use = 0;
-	if (total_bytes > 0)
-		found->full = 0;
-	else
-		found->full = 1;
+	found->full = 0;
 	found->force_alloc = CHUNK_ALLOC_NO_FORCE;
 	found->chunk_alloc = 0;
 	found->flush = 0;
@@ -4309,7 +4309,8 @@
 	 * the block groups that were made dirty during the lifetime of the
 	 * transaction.
 	 */
-	if (trans->chunk_bytes_reserved >= (2 * 1024 * 1024ull)) {
+	if (trans->can_flush_pending_bgs &&
+	    trans->chunk_bytes_reserved >= (2 * 1024 * 1024ull)) {
 		btrfs_create_pending_block_groups(trans, trans->root);
 		btrfs_trans_release_chunk_metadata(trans);
 	}
@@ -8668,7 +8669,7 @@
 	}
 
 	if (test_bit(BTRFS_ROOT_IN_RADIX, &root->state)) {
-		btrfs_drop_and_free_fs_root(tree_root->fs_info, root);
+		btrfs_add_dropped_root(trans, root);
 	} else {
 		free_extent_buffer(root->node);
 		free_extent_buffer(root->commit_root);
@@ -9563,7 +9564,9 @@
 	struct btrfs_block_group_item item;
 	struct btrfs_key key;
 	int ret = 0;
+	bool can_flush_pending_bgs = trans->can_flush_pending_bgs;
 
+	trans->can_flush_pending_bgs = false;
 	list_for_each_entry_safe(block_group, tmp, &trans->new_bgs, bg_list) {
 		if (ret)
 			goto next;
@@ -9584,6 +9587,7 @@
 next:
 		list_del_init(&block_group->bg_list);
 	}
+	trans->can_flush_pending_bgs = can_flush_pending_bgs;
 }
 
 int btrfs_make_block_group(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index f1018cf..3915c94 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2798,7 +2798,8 @@
 			      bio_end_io_t end_io_func,
 			      int mirror_num,
 			      unsigned long prev_bio_flags,
-			      unsigned long bio_flags)
+			      unsigned long bio_flags,
+			      bool force_bio_submit)
 {
 	int ret = 0;
 	struct bio *bio;
@@ -2814,6 +2815,7 @@
 			contig = bio_end_sector(bio) == sector;
 
 		if (prev_bio_flags != bio_flags || !contig ||
+		    force_bio_submit ||
 		    merge_bio(rw, tree, page, offset, page_size, bio, bio_flags) ||
 		    bio_add_page(bio, page, page_size, offset) < page_size) {
 			ret = submit_one_bio(rw, bio, mirror_num,
@@ -2910,7 +2912,8 @@
 			 get_extent_t *get_extent,
 			 struct extent_map **em_cached,
 			 struct bio **bio, int mirror_num,
-			 unsigned long *bio_flags, int rw)
+			 unsigned long *bio_flags, int rw,
+			 u64 *prev_em_start)
 {
 	struct inode *inode = page->mapping->host;
 	u64 start = page_offset(page);
@@ -2958,6 +2961,7 @@
 	}
 	while (cur <= end) {
 		unsigned long pnr = (last_byte >> PAGE_CACHE_SHIFT) + 1;
+		bool force_bio_submit = false;
 
 		if (cur >= last_byte) {
 			char *userpage;
@@ -3008,6 +3012,49 @@
 		block_start = em->block_start;
 		if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
 			block_start = EXTENT_MAP_HOLE;
+
+		/*
+		 * If we have a file range that points to a compressed extent
+		 * and it's followed by a consecutive file range that points to
+		 * to the same compressed extent (possibly with a different
+		 * offset and/or length, so it either points to the whole extent
+		 * or only part of it), we must make sure we do not submit a
+		 * single bio to populate the pages for the 2 ranges because
+		 * this makes the compressed extent read zero out the pages
+		 * belonging to the 2nd range. Imagine the following scenario:
+		 *
+		 *  File layout
+		 *  [0 - 8K]                     [8K - 24K]
+		 *    |                               |
+		 *    |                               |
+		 * points to extent X,         points to extent X,
+		 * offset 4K, length of 8K     offset 0, length 16K
+		 *
+		 * [extent X, compressed length = 4K uncompressed length = 16K]
+		 *
+		 * If the bio to read the compressed extent covers both ranges,
+		 * it will decompress extent X into the pages belonging to the
+		 * first range and then it will stop, zeroing out the remaining
+		 * pages that belong to the other range that points to extent X.
+		 * So here we make sure we submit 2 bios, one for the first
+		 * range and another one for the third range. Both will target
+		 * the same physical extent from disk, but we can't currently
+		 * make the compressed bio endio callback populate the pages
+		 * for both ranges because each compressed bio is tightly
+		 * coupled with a single extent map, and each range can have
+		 * an extent map with a different offset value relative to the
+		 * uncompressed data of our extent and different lengths. This
+		 * is a corner case so we prioritize correctness over
+		 * non-optimal behavior (submitting 2 bios for the same extent).
+		 */
+		if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags) &&
+		    prev_em_start && *prev_em_start != (u64)-1 &&
+		    *prev_em_start != em->orig_start)
+			force_bio_submit = true;
+
+		if (prev_em_start)
+			*prev_em_start = em->orig_start;
+
 		free_extent_map(em);
 		em = NULL;
 
@@ -3057,7 +3104,8 @@
 					 bdev, bio, pnr,
 					 end_bio_extent_readpage, mirror_num,
 					 *bio_flags,
-					 this_bio_flag);
+					 this_bio_flag,
+					 force_bio_submit);
 		if (!ret) {
 			nr++;
 			*bio_flags = this_bio_flag;
@@ -3084,7 +3132,8 @@
 					     get_extent_t *get_extent,
 					     struct extent_map **em_cached,
 					     struct bio **bio, int mirror_num,
-					     unsigned long *bio_flags, int rw)
+					     unsigned long *bio_flags, int rw,
+					     u64 *prev_em_start)
 {
 	struct inode *inode;
 	struct btrfs_ordered_extent *ordered;
@@ -3104,7 +3153,7 @@
 
 	for (index = 0; index < nr_pages; index++) {
 		__do_readpage(tree, pages[index], get_extent, em_cached, bio,
-			      mirror_num, bio_flags, rw);
+			      mirror_num, bio_flags, rw, prev_em_start);
 		page_cache_release(pages[index]);
 	}
 }
@@ -3114,7 +3163,8 @@
 			       int nr_pages, get_extent_t *get_extent,
 			       struct extent_map **em_cached,
 			       struct bio **bio, int mirror_num,
-			       unsigned long *bio_flags, int rw)
+			       unsigned long *bio_flags, int rw,
+			       u64 *prev_em_start)
 {
 	u64 start = 0;
 	u64 end = 0;
@@ -3135,7 +3185,7 @@
 						  index - first_index, start,
 						  end, get_extent, em_cached,
 						  bio, mirror_num, bio_flags,
-						  rw);
+						  rw, prev_em_start);
 			start = page_start;
 			end = start + PAGE_CACHE_SIZE - 1;
 			first_index = index;
@@ -3146,7 +3196,8 @@
 		__do_contiguous_readpages(tree, &pages[first_index],
 					  index - first_index, start,
 					  end, get_extent, em_cached, bio,
-					  mirror_num, bio_flags, rw);
+					  mirror_num, bio_flags, rw,
+					  prev_em_start);
 }
 
 static int __extent_read_full_page(struct extent_io_tree *tree,
@@ -3172,7 +3223,7 @@
 	}
 
 	ret = __do_readpage(tree, page, get_extent, NULL, bio, mirror_num,
-			    bio_flags, rw);
+			    bio_flags, rw, NULL);
 	return ret;
 }
 
@@ -3198,7 +3249,7 @@
 	int ret;
 
 	ret = __do_readpage(tree, page, get_extent, NULL, &bio, mirror_num,
-				      &bio_flags, READ);
+			    &bio_flags, READ, NULL);
 	if (bio)
 		ret = submit_one_bio(READ, bio, mirror_num, bio_flags);
 	return ret;
@@ -3451,7 +3502,7 @@
 						 sector, iosize, pg_offset,
 						 bdev, &epd->bio, max_nr,
 						 end_bio_extent_writepage,
-						 0, 0, 0);
+						 0, 0, 0, false);
 			if (ret)
 				SetPageError(page);
 		}
@@ -3754,7 +3805,7 @@
 		ret = submit_extent_page(rw, tree, wbc, p, offset >> 9,
 					 PAGE_CACHE_SIZE, 0, bdev, &epd->bio,
 					 -1, end_bio_extent_buffer_writepage,
-					 0, epd->bio_flags, bio_flags);
+					 0, epd->bio_flags, bio_flags, false);
 		epd->bio_flags = bio_flags;
 		if (ret) {
 			set_btree_ioerr(p);
@@ -4158,6 +4209,7 @@
 	struct page *page;
 	struct extent_map *em_cached = NULL;
 	int nr = 0;
+	u64 prev_em_start = (u64)-1;
 
 	for (page_idx = 0; page_idx < nr_pages; page_idx++) {
 		page = list_entry(pages->prev, struct page, lru);
@@ -4174,12 +4226,12 @@
 		if (nr < ARRAY_SIZE(pagepool))
 			continue;
 		__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
-				   &bio, 0, &bio_flags, READ);
+				   &bio, 0, &bio_flags, READ, &prev_em_start);
 		nr = 0;
 	}
 	if (nr)
 		__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
-				   &bio, 0, &bio_flags, READ);
+				   &bio, 0, &bio_flags, READ, &prev_em_start);
 
 	if (em_cached)
 		free_extent_map(em_cached);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a0fa725..611b66d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5084,7 +5084,8 @@
 		goto no_delete;
 	}
 	/* do we really want it for ->i_nlink > 0 and zero btrfs_root_refs? */
-	btrfs_wait_ordered_range(inode, 0, (u64)-1);
+	if (!special_file(inode->i_mode))
+		btrfs_wait_ordered_range(inode, 0, (u64)-1);
 
 	btrfs_free_io_failure_record(inode, 0, (u64)-1);
 
@@ -7408,6 +7409,10 @@
 	return em;
 }
 
+struct btrfs_dio_data {
+	u64 outstanding_extents;
+	u64 reserve;
+};
 
 static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
 				   struct buffer_head *bh_result, int create)
@@ -7415,10 +7420,10 @@
 	struct extent_map *em;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct extent_state *cached_state = NULL;
+	struct btrfs_dio_data *dio_data = NULL;
 	u64 start = iblock << inode->i_blkbits;
 	u64 lockstart, lockend;
 	u64 len = bh_result->b_size;
-	u64 *outstanding_extents = NULL;
 	int unlock_bits = EXTENT_LOCKED;
 	int ret = 0;
 
@@ -7436,7 +7441,7 @@
 		 * that anything that needs to check if there's a transction doesn't get
 		 * confused.
 		 */
-		outstanding_extents = current->journal_info;
+		dio_data = current->journal_info;
 		current->journal_info = NULL;
 	}
 
@@ -7568,17 +7573,18 @@
 		 * within our reservation, otherwise we need to adjust our inode
 		 * counter appropriately.
 		 */
-		if (*outstanding_extents) {
-			(*outstanding_extents)--;
+		if (dio_data->outstanding_extents) {
+			(dio_data->outstanding_extents)--;
 		} else {
 			spin_lock(&BTRFS_I(inode)->lock);
 			BTRFS_I(inode)->outstanding_extents++;
 			spin_unlock(&BTRFS_I(inode)->lock);
 		}
 
-		current->journal_info = outstanding_extents;
 		btrfs_free_reserved_data_space(inode, len);
-		set_bit(BTRFS_INODE_DIO_READY, &BTRFS_I(inode)->runtime_flags);
+		WARN_ON(dio_data->reserve < len);
+		dio_data->reserve -= len;
+		current->journal_info = dio_data;
 	}
 
 	/*
@@ -7601,8 +7607,8 @@
 unlock_err:
 	clear_extent_bit(&BTRFS_I(inode)->io_tree, lockstart, lockend,
 			 unlock_bits, 1, 0, &cached_state, GFP_NOFS);
-	if (outstanding_extents)
-		current->journal_info = outstanding_extents;
+	if (dio_data)
+		current->journal_info = dio_data;
 	return ret;
 }
 
@@ -8329,7 +8335,8 @@
 {
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_mapping->host;
-	u64 outstanding_extents = 0;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_dio_data dio_data = { 0 };
 	size_t count = 0;
 	int flags = 0;
 	bool wakeup = true;
@@ -8367,7 +8374,7 @@
 		ret = btrfs_delalloc_reserve_space(inode, count);
 		if (ret)
 			goto out;
-		outstanding_extents = div64_u64(count +
+		dio_data.outstanding_extents = div64_u64(count +
 						BTRFS_MAX_EXTENT_SIZE - 1,
 						BTRFS_MAX_EXTENT_SIZE);
 
@@ -8376,7 +8383,8 @@
 		 * do the accounting properly if we go over the number we
 		 * originally calculated.  Abuse current->journal_info for this.
 		 */
-		current->journal_info = &outstanding_extents;
+		dio_data.reserve = round_up(count, root->sectorsize);
+		current->journal_info = &dio_data;
 	} else if (test_bit(BTRFS_INODE_READDIO_NEED_LOCK,
 				     &BTRFS_I(inode)->runtime_flags)) {
 		inode_dio_end(inode);
@@ -8391,16 +8399,9 @@
 	if (iov_iter_rw(iter) == WRITE) {
 		current->journal_info = NULL;
 		if (ret < 0 && ret != -EIOCBQUEUED) {
-			/*
-			 * If the error comes from submitting stage,
-			 * btrfs_get_blocsk_direct() has free'd data space,
-			 * and metadata space will be handled by
-			 * finish_ordered_fn, don't do that again to make
-			 * sure bytes_may_use is correct.
-			 */
-			if (!test_and_clear_bit(BTRFS_INODE_DIO_READY,
-				     &BTRFS_I(inode)->runtime_flags))
-				btrfs_delalloc_release_space(inode, count);
+			if (dio_data.reserve)
+				btrfs_delalloc_release_space(inode,
+							dio_data.reserve);
 		} else if (ret >= 0 && (size_t)ret < count)
 			btrfs_delalloc_release_space(inode,
 						     count - (size_t)ret);
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index aa72bfd..a739b82 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1920,10 +1920,12 @@
 	/*
 	 * We know that it is or will be overwritten. Check this now.
 	 * The current inode being processed might have been the one that caused
-	 * inode 'ino' to be orphanized, therefore ow_inode can actually be the
-	 * same as sctx->send_progress.
+	 * inode 'ino' to be orphanized, therefore check if ow_inode matches
+	 * the current inode being processed.
 	 */
-	if (ow_inode <= sctx->send_progress)
+	if ((ow_inode < sctx->send_progress) ||
+	    (ino != sctx->cur_ino && ow_inode == sctx->cur_ino &&
+	     gen == sctx->cur_inode_gen))
 		ret = 1;
 	else
 		ret = 0;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 2b07b35..11d1eab 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1658,9 +1658,7 @@
 		 * groups on disk until we're mounted read-write again
 		 * unless we clean them up here.
 		 */
-		mutex_lock(&root->fs_info->cleaner_mutex);
 		btrfs_delete_unused_bgs(fs_info);
-		mutex_unlock(&root->fs_info->cleaner_mutex);
 
 		btrfs_dev_replace_suspend_for_unmount(fs_info);
 		btrfs_scrub_cancel(fs_info);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8f259b3..a5b0644 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -117,6 +117,18 @@
 			btrfs_unpin_free_ino(root);
 		clear_btree_io_tree(&root->dirty_log_pages);
 	}
+
+	/* We can free old roots now. */
+	spin_lock(&trans->dropped_roots_lock);
+	while (!list_empty(&trans->dropped_roots)) {
+		root = list_first_entry(&trans->dropped_roots,
+					struct btrfs_root, root_list);
+		list_del_init(&root->root_list);
+		spin_unlock(&trans->dropped_roots_lock);
+		btrfs_drop_and_free_fs_root(fs_info, root);
+		spin_lock(&trans->dropped_roots_lock);
+	}
+	spin_unlock(&trans->dropped_roots_lock);
 	up_write(&fs_info->commit_root_sem);
 }
 
@@ -255,11 +267,13 @@
 	INIT_LIST_HEAD(&cur_trans->pending_ordered);
 	INIT_LIST_HEAD(&cur_trans->dirty_bgs);
 	INIT_LIST_HEAD(&cur_trans->io_bgs);
+	INIT_LIST_HEAD(&cur_trans->dropped_roots);
 	mutex_init(&cur_trans->cache_write_mutex);
 	cur_trans->num_dirty_bgs = 0;
 	spin_lock_init(&cur_trans->dirty_bgs_lock);
 	INIT_LIST_HEAD(&cur_trans->deleted_bgs);
 	spin_lock_init(&cur_trans->deleted_bgs_lock);
+	spin_lock_init(&cur_trans->dropped_roots_lock);
 	list_add_tail(&cur_trans->list, &fs_info->trans_list);
 	extent_io_tree_init(&cur_trans->dirty_pages,
 			     fs_info->btree_inode->i_mapping);
@@ -336,6 +350,24 @@
 }
 
 
+void btrfs_add_dropped_root(struct btrfs_trans_handle *trans,
+			    struct btrfs_root *root)
+{
+	struct btrfs_transaction *cur_trans = trans->transaction;
+
+	/* Add ourselves to the transaction dropped list */
+	spin_lock(&cur_trans->dropped_roots_lock);
+	list_add_tail(&root->root_list, &cur_trans->dropped_roots);
+	spin_unlock(&cur_trans->dropped_roots_lock);
+
+	/* Make sure we don't try to update the root at commit time */
+	spin_lock(&root->fs_info->fs_roots_radix_lock);
+	radix_tree_tag_clear(&root->fs_info->fs_roots_radix,
+			     (unsigned long)root->root_key.objectid,
+			     BTRFS_ROOT_TRANS_TAG);
+	spin_unlock(&root->fs_info->fs_roots_radix_lock);
+}
+
 int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root)
 {
@@ -525,6 +557,7 @@
 	h->delayed_ref_elem.seq = 0;
 	h->type = type;
 	h->allocating_chunk = false;
+	h->can_flush_pending_bgs = true;
 	h->reloc_reserved = false;
 	h->sync = false;
 	INIT_LIST_HEAD(&h->qgroup_ref_list);
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index edc2fbc..a994bb0 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -65,6 +65,7 @@
 	struct list_head switch_commits;
 	struct list_head dirty_bgs;
 	struct list_head io_bgs;
+	struct list_head dropped_roots;
 	u64 num_dirty_bgs;
 
 	/*
@@ -76,6 +77,7 @@
 	spinlock_t dirty_bgs_lock;
 	struct list_head deleted_bgs;
 	spinlock_t deleted_bgs_lock;
+	spinlock_t dropped_roots_lock;
 	struct btrfs_delayed_ref_root delayed_refs;
 	int aborted;
 	int dirty_bg_run;
@@ -116,6 +118,7 @@
 	short aborted;
 	short adding_csums;
 	bool allocating_chunk;
+	bool can_flush_pending_bgs;
 	bool reloc_reserved;
 	bool sync;
 	unsigned int type;
@@ -216,5 +219,6 @@
 int btrfs_transaction_in_commit(struct btrfs_fs_info *info);
 void btrfs_put_transaction(struct btrfs_transaction *transaction);
 void btrfs_apply_pending_changes(struct btrfs_fs_info *fs_info);
-
+void btrfs_add_dropped_root(struct btrfs_trans_handle *trans,
+			    struct btrfs_root *root);
 #endif
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index aa0dc25..afa09fc 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -444,6 +444,48 @@
 	return 0;
 }
 
+/* Server has provided av pairs/target info in the type 2 challenge
+ * packet and we have plucked it and stored within smb session.
+ * We parse that blob here to find the server given timestamp
+ * as part of ntlmv2 authentication (or local current time as
+ * default in case of failure)
+ */
+static __le64
+find_timestamp(struct cifs_ses *ses)
+{
+	unsigned int attrsize;
+	unsigned int type;
+	unsigned int onesize = sizeof(struct ntlmssp2_name);
+	unsigned char *blobptr;
+	unsigned char *blobend;
+	struct ntlmssp2_name *attrptr;
+
+	if (!ses->auth_key.len || !ses->auth_key.response)
+		return 0;
+
+	blobptr = ses->auth_key.response;
+	blobend = blobptr + ses->auth_key.len;
+
+	while (blobptr + onesize < blobend) {
+		attrptr = (struct ntlmssp2_name *) blobptr;
+		type = le16_to_cpu(attrptr->type);
+		if (type == NTLMSSP_AV_EOL)
+			break;
+		blobptr += 2; /* advance attr type */
+		attrsize = le16_to_cpu(attrptr->length);
+		blobptr += 2; /* advance attr size */
+		if (blobptr + attrsize > blobend)
+			break;
+		if (type == NTLMSSP_AV_TIMESTAMP) {
+			if (attrsize == sizeof(u64))
+				return *((__le64 *)blobptr);
+		}
+		blobptr += attrsize; /* advance attr value */
+	}
+
+	return cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
+}
+
 static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
 			    const struct nls_table *nls_cp)
 {
@@ -641,6 +683,7 @@
 	struct ntlmv2_resp *ntlmv2;
 	char ntlmv2_hash[16];
 	unsigned char *tiblob = NULL; /* target info blob */
+	__le64 rsp_timestamp;
 
 	if (ses->server->negflavor == CIFS_NEGFLAVOR_EXTENDED) {
 		if (!ses->domainName) {
@@ -659,6 +702,12 @@
 		}
 	}
 
+	/* Must be within 5 minutes of the server (or in range +/-2h
+	 * in case of Mac OS X), so simply carry over server timestamp
+	 * (as Windows 7 does)
+	 */
+	rsp_timestamp = find_timestamp(ses);
+
 	baselen = CIFS_SESS_KEY_SIZE + sizeof(struct ntlmv2_resp);
 	tilen = ses->auth_key.len;
 	tiblob = ses->auth_key.response;
@@ -675,8 +724,8 @@
 			(ses->auth_key.response + CIFS_SESS_KEY_SIZE);
 	ntlmv2->blob_signature = cpu_to_le32(0x00000101);
 	ntlmv2->reserved = 0;
-	/* Must be within 5 minutes of the server */
-	ntlmv2->time = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
+	ntlmv2->time = rsp_timestamp;
+
 	get_random_bytes(&ntlmv2->client_chal, sizeof(ntlmv2->client_chal));
 	ntlmv2->reserved2 = 0;
 
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 6a1119e..e739950 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -325,8 +325,11 @@
 static void
 cifs_show_security(struct seq_file *s, struct cifs_ses *ses)
 {
-	if (ses->sectype == Unspecified)
+	if (ses->sectype == Unspecified) {
+		if (ses->user_name == NULL)
+			seq_puts(s, ",sec=none");
 		return;
+	}
 
 	seq_puts(s, ",sec=");
 
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 27aea11..c3cc160 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -136,5 +136,5 @@
 extern const struct export_operations cifs_export_ops;
 #endif /* CONFIG_CIFS_NFSD_EXPORT */
 
-#define CIFS_VERSION   "2.07"
+#define CIFS_VERSION   "2.08"
 #endif				/* _CIFSFS_H */
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index f621b44..6b66dd5 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2034,7 +2034,6 @@
 	struct tcon_link *tlink = NULL;
 	struct cifs_tcon *tcon = NULL;
 	struct TCP_Server_Info *server;
-	struct cifs_io_parms io_parms;
 
 	/*
 	 * To avoid spurious oplock breaks from server, in the case of
@@ -2056,18 +2055,6 @@
 			rc = -ENOSYS;
 		cifsFileInfo_put(open_file);
 		cifs_dbg(FYI, "SetFSize for attrs rc = %d\n", rc);
-		if ((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
-			unsigned int bytes_written;
-
-			io_parms.netfid = open_file->fid.netfid;
-			io_parms.pid = open_file->pid;
-			io_parms.tcon = tcon;
-			io_parms.offset = 0;
-			io_parms.length = attrs->ia_size;
-			rc = CIFSSMBWrite(xid, &io_parms, &bytes_written,
-					  NULL, NULL, 1);
-			cifs_dbg(FYI, "Wrt seteof rc %d\n", rc);
-		}
 	} else
 		rc = -EINVAL;
 
@@ -2093,28 +2080,7 @@
 	else
 		rc = -ENOSYS;
 	cifs_dbg(FYI, "SetEOF by path (setattrs) rc = %d\n", rc);
-	if ((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
-		__u16 netfid;
-		int oplock = 0;
 
-		rc = SMBLegacyOpen(xid, tcon, full_path, FILE_OPEN,
-				   GENERIC_WRITE, CREATE_NOT_DIR, &netfid,
-				   &oplock, NULL, cifs_sb->local_nls,
-				   cifs_remap(cifs_sb));
-		if (rc == 0) {
-			unsigned int bytes_written;
-
-			io_parms.netfid = netfid;
-			io_parms.pid = current->tgid;
-			io_parms.tcon = tcon;
-			io_parms.offset = 0;
-			io_parms.length = attrs->ia_size;
-			rc = CIFSSMBWrite(xid, &io_parms, &bytes_written, NULL,
-					  NULL,  1);
-			cifs_dbg(FYI, "wrt seteof rc %d\n", rc);
-			CIFSSMBClose(xid, tcon, netfid);
-		}
-	}
 	if (tlink)
 		cifs_put_tlink(tlink);
 
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index c63f522..28a77bf 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -67,6 +67,12 @@
 		goto out_drop_write;
 	}
 
+	if (src_file.file->f_op->unlocked_ioctl != cifs_ioctl) {
+		rc = -EBADF;
+		cifs_dbg(VFS, "src file seems to be from a different filesystem type\n");
+		goto out_fput;
+	}
+
 	if ((!src_file.file->private_data) || (!dst_file->private_data)) {
 		rc = -EBADF;
 		cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n");
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index df91bcf..18da19f 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -50,9 +50,13 @@
 		break;
 	default:
 		server->echoes = true;
-		server->oplocks = true;
+		if (enable_oplocks) {
+			server->oplocks = true;
+			server->oplock_credits = 1;
+		} else
+			server->oplocks = false;
+
 		server->echo_credits = 1;
-		server->oplock_credits = 1;
 	}
 	server->credits -= server->echo_credits + server->oplock_credits;
 	return 0;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 070fb2a..597a417 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -46,6 +46,7 @@
 #include "smb2status.h"
 #include "smb2glob.h"
 #include "cifspdu.h"
+#include "cifs_spnego.h"
 
 /*
  *  The following table defines the expected "StructureSize" of SMB2 requests
@@ -486,19 +487,15 @@
 		cifs_dbg(FYI, "missing security blob on negprot\n");
 
 	rc = cifs_enable_signing(server, ses->sign);
-#ifdef CONFIG_SMB2_ASN1  /* BB REMOVEME when updated asn1.c ready */
 	if (rc)
 		goto neg_exit;
-	if (blob_length)
+	if (blob_length) {
 		rc = decode_negTokenInit(security_blob, blob_length, server);
-	if (rc == 1)
-		rc = 0;
-	else if (rc == 0) {
-		rc = -EIO;
-		goto neg_exit;
+		if (rc == 1)
+			rc = 0;
+		else if (rc == 0)
+			rc = -EIO;
 	}
-#endif
-
 neg_exit:
 	free_rsp_buf(resp_buftype, rsp);
 	return rc;
@@ -592,7 +589,8 @@
 	__le32 phase = NtLmNegotiate; /* NTLMSSP, if needed, is multistage */
 	struct TCP_Server_Info *server = ses->server;
 	u16 blob_length = 0;
-	char *security_blob;
+	struct key *spnego_key = NULL;
+	char *security_blob = NULL;
 	char *ntlmssp_blob = NULL;
 	bool use_spnego = false; /* else use raw ntlmssp */
 
@@ -620,7 +618,8 @@
 	ses->ntlmssp->sesskey_per_smbsess = true;
 
 	/* FIXME: allow for other auth types besides NTLMSSP (e.g. krb5) */
-	ses->sectype = RawNTLMSSP;
+	if (ses->sectype != Kerberos && ses->sectype != RawNTLMSSP)
+		ses->sectype = RawNTLMSSP;
 
 ssetup_ntlmssp_authenticate:
 	if (phase == NtLmChallenge)
@@ -649,7 +648,48 @@
 	iov[0].iov_base = (char *)req;
 	/* 4 for rfc1002 length field and 1 for pad */
 	iov[0].iov_len = get_rfc1002_length(req) + 4 - 1;
-	if (phase == NtLmNegotiate) {
+
+	if (ses->sectype == Kerberos) {
+#ifdef CONFIG_CIFS_UPCALL
+		struct cifs_spnego_msg *msg;
+
+		spnego_key = cifs_get_spnego_key(ses);
+		if (IS_ERR(spnego_key)) {
+			rc = PTR_ERR(spnego_key);
+			spnego_key = NULL;
+			goto ssetup_exit;
+		}
+
+		msg = spnego_key->payload.data;
+		/*
+		 * check version field to make sure that cifs.upcall is
+		 * sending us a response in an expected form
+		 */
+		if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) {
+			cifs_dbg(VFS,
+				  "bad cifs.upcall version. Expected %d got %d",
+				  CIFS_SPNEGO_UPCALL_VERSION, msg->version);
+			rc = -EKEYREJECTED;
+			goto ssetup_exit;
+		}
+		ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len,
+						 GFP_KERNEL);
+		if (!ses->auth_key.response) {
+			cifs_dbg(VFS,
+				"Kerberos can't allocate (%u bytes) memory",
+				msg->sesskey_len);
+			rc = -ENOMEM;
+			goto ssetup_exit;
+		}
+		ses->auth_key.len = msg->sesskey_len;
+		blob_length = msg->secblob_len;
+		iov[1].iov_base = msg->data + msg->sesskey_len;
+		iov[1].iov_len = blob_length;
+#else
+		rc = -EOPNOTSUPP;
+		goto ssetup_exit;
+#endif /* CONFIG_CIFS_UPCALL */
+	} else if (phase == NtLmNegotiate) { /* if not krb5 must be ntlmssp */
 		ntlmssp_blob = kmalloc(sizeof(struct _NEGOTIATE_MESSAGE),
 				       GFP_KERNEL);
 		if (ntlmssp_blob == NULL) {
@@ -672,6 +712,8 @@
 			/* with raw NTLMSSP we don't encapsulate in SPNEGO */
 			security_blob = ntlmssp_blob;
 		}
+		iov[1].iov_base = security_blob;
+		iov[1].iov_len = blob_length;
 	} else if (phase == NtLmAuthenticate) {
 		req->hdr.SessionId = ses->Suid;
 		ntlmssp_blob = kzalloc(sizeof(struct _NEGOTIATE_MESSAGE) + 500,
@@ -699,6 +741,8 @@
 		} else {
 			security_blob = ntlmssp_blob;
 		}
+		iov[1].iov_base = security_blob;
+		iov[1].iov_len = blob_length;
 	} else {
 		cifs_dbg(VFS, "illegal ntlmssp phase\n");
 		rc = -EIO;
@@ -710,8 +754,6 @@
 				cpu_to_le16(sizeof(struct smb2_sess_setup_req) -
 					    1 /* pad */ - 4 /* rfc1001 len */);
 	req->SecurityBufferLength = cpu_to_le16(blob_length);
-	iov[1].iov_base = security_blob;
-	iov[1].iov_len = blob_length;
 
 	inc_rfc1001_len(req, blob_length - 1 /* pad */);
 
@@ -722,6 +764,7 @@
 
 	kfree(security_blob);
 	rsp = (struct smb2_sess_setup_rsp *)iov[0].iov_base;
+	ses->Suid = rsp->hdr.SessionId;
 	if (resp_buftype != CIFS_NO_BUFFER &&
 	    rsp->hdr.Status == STATUS_MORE_PROCESSING_REQUIRED) {
 		if (phase != NtLmNegotiate) {
@@ -739,7 +782,6 @@
 		/* NTLMSSP Negotiate sent now processing challenge (response) */
 		phase = NtLmChallenge; /* process ntlmssp challenge */
 		rc = 0; /* MORE_PROCESSING is not an error here but expected */
-		ses->Suid = rsp->hdr.SessionId;
 		rc = decode_ntlmssp_challenge(rsp->Buffer,
 				le16_to_cpu(rsp->SecurityBufferLength), ses);
 	}
@@ -796,6 +838,10 @@
 		kfree(ses->auth_key.response);
 		ses->auth_key.response = NULL;
 	}
+	if (spnego_key) {
+		key_invalidate(spnego_key);
+		key_put(spnego_key);
+	}
 	kfree(ses->ntlmssp);
 
 	return rc;
@@ -876,6 +922,12 @@
 	if (tcon && tcon->bad_network_name)
 		return -ENOENT;
 
+	if ((tcon && tcon->seal) &&
+	    ((ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) == 0)) {
+		cifs_dbg(VFS, "encryption requested but no server support");
+		return -EOPNOTSUPP;
+	}
+
 	unc_path = kmalloc(MAX_SHARENAME_LENGTH * 2, GFP_KERNEL);
 	if (unc_path == NULL)
 		return -ENOMEM;
@@ -955,6 +1007,8 @@
 	    ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0))
 		cifs_dbg(VFS, "DFS capability contradicts DFS flag\n");
 	init_copy_chunk_defaults(tcon);
+	if (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA)
+		cifs_dbg(VFS, "Encrypted shares not supported");
 	if (tcon->ses->server->ops->validate_negotiate)
 		rc = tcon->ses->server->ops->validate_negotiate(xid, tcon);
 tcon_exit:
diff --git a/fs/dax.c b/fs/dax.c
index 93bf2f9..bcfb14b 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -119,7 +119,8 @@
 		size_t len;
 		if (pos == max) {
 			unsigned blkbits = inode->i_blkbits;
-			sector_t block = pos >> blkbits;
+			long page = pos >> PAGE_SHIFT;
+			sector_t block = page << (PAGE_SHIFT - blkbits);
 			unsigned first = pos - (block << blkbits);
 			long size;
 
@@ -568,8 +569,20 @@
 	if (!buffer_size_valid(&bh) || bh.b_size < PMD_SIZE)
 		goto fallback;
 
+	sector = bh.b_blocknr << (blkbits - 9);
+
 	if (buffer_unwritten(&bh) || buffer_new(&bh)) {
 		int i;
+
+		length = bdev_direct_access(bh.b_bdev, sector, &kaddr, &pfn,
+						bh.b_size);
+		if (length < 0) {
+			result = VM_FAULT_SIGBUS;
+			goto out;
+		}
+		if ((length < PMD_SIZE) || (pfn & PG_PMD_COLOUR))
+			goto fallback;
+
 		for (i = 0; i < PTRS_PER_PMD; i++)
 			clear_pmem(kaddr + i * PAGE_SIZE, PAGE_SIZE);
 		wmb_pmem();
@@ -622,7 +635,6 @@
 		result = VM_FAULT_NOPAGE;
 		spin_unlock(ptl);
 	} else {
-		sector = bh.b_blocknr << (blkbits - 9);
 		length = bdev_direct_access(bh.b_bdev, sector, &kaddr, &pfn,
 						bh.b_size);
 		if (length < 0) {
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 587ac08..091a364 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1481,6 +1481,21 @@
 		wbc_detach_inode(&wbc);
 		work->nr_pages -= write_chunk - wbc.nr_to_write;
 		wrote += write_chunk - wbc.nr_to_write;
+
+		if (need_resched()) {
+			/*
+			 * We're trying to balance between building up a nice
+			 * long list of IOs to improve our merge rate, and
+			 * getting those IOs out quickly for anyone throttling
+			 * in balance_dirty_pages().  cond_resched() doesn't
+			 * unplug, so get our IOs out the door before we
+			 * give up the CPU.
+			 */
+			blk_flush_plug(current);
+			cond_resched();
+		}
+
+
 		spin_lock(&wb->list_lock);
 		spin_lock(&inode->i_lock);
 		if (!(inode->i_state & I_DIRTY_ALL))
@@ -1488,7 +1503,7 @@
 		requeue_inode(inode, wb, &wbc);
 		inode_sync_complete(inode);
 		spin_unlock(&inode->i_lock);
-		cond_resched_lock(&wb->list_lock);
+
 		/*
 		 * bail out to wb_writeback() often enough to check
 		 * background threshold and other termination conditions.
diff --git a/fs/namei.c b/fs/namei.c
index 726d211..33e9495 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1558,8 +1558,6 @@
 		negative = d_is_negative(dentry);
 		if (read_seqcount_retry(&dentry->d_seq, seq))
 			return -ECHILD;
-		if (negative)
-			return -ENOENT;
 
 		/*
 		 * This sequence count validates that the parent had no
@@ -1580,6 +1578,12 @@
 				goto unlazy;
 			}
 		}
+		/*
+		 * Note: do negative dentry check after revalidation in
+		 * case that drops it.
+		 */
+		if (negative)
+			return -ENOENT;
 		path->mnt = mnt;
 		path->dentry = dentry;
 		if (likely(__follow_mount_rcu(nd, path, inode, seqp)))
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 2714ef8..be806ea 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -113,7 +113,8 @@
 	return status;
 }
 
-static int nfs_delegation_claim_opens(struct inode *inode, const nfs4_stateid *stateid)
+static int nfs_delegation_claim_opens(struct inode *inode,
+		const nfs4_stateid *stateid, fmode_t type)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
 	struct nfs_open_context *ctx;
@@ -140,7 +141,7 @@
 		/* Block nfs4_proc_unlck */
 		mutex_lock(&sp->so_delegreturn_mutex);
 		seq = raw_seqcount_begin(&sp->so_reclaim_seqcount);
-		err = nfs4_open_delegation_recall(ctx, state, stateid);
+		err = nfs4_open_delegation_recall(ctx, state, stateid, type);
 		if (!err)
 			err = nfs_delegation_claim_locks(ctx, state, stateid);
 		if (!err && read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
@@ -411,7 +412,8 @@
 	do {
 		if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
 			break;
-		err = nfs_delegation_claim_opens(inode, &delegation->stateid);
+		err = nfs_delegation_claim_opens(inode, &delegation->stateid,
+				delegation->type);
 		if (!issync || err != -EAGAIN)
 			break;
 		/*
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index a448291..333063e 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -54,7 +54,7 @@
 
 /* NFSv4 delegation-related procedures */
 int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid, int issync);
-int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid);
+int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid, fmode_t type);
 int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, const nfs4_stateid *stateid);
 bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode, fmode_t flags);
 
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 38678d9..4b1d08f 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -166,8 +166,11 @@
 	struct nfs_writeverf *verfp = &dreq->verf;
 
 #ifdef CONFIG_NFS_V4_1
-	if (ds_clp) {
-		/* pNFS is in use, use the DS verf */
+	/*
+	 * pNFS is in use, use the DS verf except commit_through_mds is set
+	 * for layout segment where nbuckets is zero.
+	 */
+	if (ds_clp && dreq->ds_cinfo.nbuckets > 0) {
 		if (commit_idx >= 0 && commit_idx < dreq->ds_cinfo.nbuckets)
 			verfp = &dreq->ds_cinfo.buckets[commit_idx].direct_verf;
 		else
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index b34f2e2..02ec079 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -629,23 +629,18 @@
 	goto out;
 }
 
-static void filelayout_free_fh_array(struct nfs4_filelayout_segment *fl)
+static void _filelayout_free_lseg(struct nfs4_filelayout_segment *fl)
 {
 	int i;
 
-	for (i = 0; i < fl->num_fh; i++) {
-		if (!fl->fh_array[i])
-			break;
-		kfree(fl->fh_array[i]);
+	if (fl->fh_array) {
+		for (i = 0; i < fl->num_fh; i++) {
+			if (!fl->fh_array[i])
+				break;
+			kfree(fl->fh_array[i]);
+		}
+		kfree(fl->fh_array);
 	}
-	kfree(fl->fh_array);
-	fl->fh_array = NULL;
-}
-
-static void
-_filelayout_free_lseg(struct nfs4_filelayout_segment *fl)
-{
-	filelayout_free_fh_array(fl);
 	kfree(fl);
 }
 
@@ -716,21 +711,21 @@
 		/* Do we want to use a mempool here? */
 		fl->fh_array[i] = kmalloc(sizeof(struct nfs_fh), gfp_flags);
 		if (!fl->fh_array[i])
-			goto out_err_free;
+			goto out_err;
 
 		p = xdr_inline_decode(&stream, 4);
 		if (unlikely(!p))
-			goto out_err_free;
+			goto out_err;
 		fl->fh_array[i]->size = be32_to_cpup(p++);
 		if (sizeof(struct nfs_fh) < fl->fh_array[i]->size) {
 			printk(KERN_ERR "NFS: Too big fh %d received %d\n",
 			       i, fl->fh_array[i]->size);
-			goto out_err_free;
+			goto out_err;
 		}
 
 		p = xdr_inline_decode(&stream, fl->fh_array[i]->size);
 		if (unlikely(!p))
-			goto out_err_free;
+			goto out_err;
 		memcpy(fl->fh_array[i]->data, p, fl->fh_array[i]->size);
 		dprintk("DEBUG: %s: fh len %d\n", __func__,
 			fl->fh_array[i]->size);
@@ -739,8 +734,6 @@
 	__free_page(scratch);
 	return 0;
 
-out_err_free:
-	filelayout_free_fh_array(fl);
 out_err:
 	__free_page(scratch);
 	return -EIO;
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index d731bbf..0f020e4 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -175,10 +175,12 @@
 {
 	struct nfs_server *server = NFS_SERVER(file_inode(filep));
 	struct nfs4_exception exception = { };
-	int err;
+	loff_t err;
 
 	do {
 		err = _nfs42_proc_llseek(filep, offset, whence);
+		if (err >= 0)
+			break;
 		if (err == -ENOTSUPP)
 			return -EOPNOTSUPP;
 		err = nfs4_handle_exception(server, err, &exception);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 693b903..5133bb1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1127,6 +1127,21 @@
 	return ret;
 }
 
+static bool nfs4_mode_match_open_stateid(struct nfs4_state *state,
+		fmode_t fmode)
+{
+	switch(fmode & (FMODE_READ|FMODE_WRITE)) {
+	case FMODE_READ|FMODE_WRITE:
+		return state->n_rdwr != 0;
+	case FMODE_WRITE:
+		return state->n_wronly != 0;
+	case FMODE_READ:
+		return state->n_rdonly != 0;
+	}
+	WARN_ON_ONCE(1);
+	return false;
+}
+
 static int can_open_cached(struct nfs4_state *state, fmode_t mode, int open_mode)
 {
 	int ret = 0;
@@ -1443,12 +1458,18 @@
 	if (delegation)
 		delegation_flags = delegation->flags;
 	rcu_read_unlock();
-	if (data->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR) {
+	switch (data->o_arg.claim) {
+	default:
+		break;
+	case NFS4_OPEN_CLAIM_DELEGATE_CUR:
+	case NFS4_OPEN_CLAIM_DELEG_CUR_FH:
 		pr_err_ratelimited("NFS: Broken NFSv4 server %s is "
 				   "returning a delegation for "
 				   "OPEN(CLAIM_DELEGATE_CUR)\n",
 				   clp->cl_hostname);
-	} else if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
+		return;
+	}
+	if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
 		nfs_inode_set_delegation(state->inode,
 					 data->owner->so_cred,
 					 &data->o_res);
@@ -1571,17 +1592,13 @@
 	return opendata;
 }
 
-static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, fmode_t fmode, struct nfs4_state **res)
+static int nfs4_open_recover_helper(struct nfs4_opendata *opendata,
+		fmode_t fmode)
 {
 	struct nfs4_state *newstate;
 	int ret;
 
-	if ((opendata->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR ||
-	     opendata->o_arg.claim == NFS4_OPEN_CLAIM_DELEG_CUR_FH) &&
-	    (opendata->o_arg.u.delegation_type & fmode) != fmode)
-		/* This mode can't have been delegated, so we must have
-		 * a valid open_stateid to cover it - not need to reclaim.
-		 */
+	if (!nfs4_mode_match_open_stateid(opendata->state, fmode))
 		return 0;
 	opendata->o_arg.open_flags = 0;
 	opendata->o_arg.fmode = fmode;
@@ -1597,14 +1614,14 @@
 	newstate = nfs4_opendata_to_nfs4_state(opendata);
 	if (IS_ERR(newstate))
 		return PTR_ERR(newstate);
+	if (newstate != opendata->state)
+		ret = -ESTALE;
 	nfs4_close_state(newstate, fmode);
-	*res = newstate;
-	return 0;
+	return ret;
 }
 
 static int nfs4_open_recover(struct nfs4_opendata *opendata, struct nfs4_state *state)
 {
-	struct nfs4_state *newstate;
 	int ret;
 
 	/* Don't trigger recovery in nfs_test_and_clear_all_open_stateid */
@@ -1615,27 +1632,15 @@
 	clear_bit(NFS_DELEGATED_STATE, &state->flags);
 	clear_bit(NFS_OPEN_STATE, &state->flags);
 	smp_rmb();
-	if (state->n_rdwr != 0) {
-		ret = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE, &newstate);
-		if (ret != 0)
-			return ret;
-		if (newstate != state)
-			return -ESTALE;
-	}
-	if (state->n_wronly != 0) {
-		ret = nfs4_open_recover_helper(opendata, FMODE_WRITE, &newstate);
-		if (ret != 0)
-			return ret;
-		if (newstate != state)
-			return -ESTALE;
-	}
-	if (state->n_rdonly != 0) {
-		ret = nfs4_open_recover_helper(opendata, FMODE_READ, &newstate);
-		if (ret != 0)
-			return ret;
-		if (newstate != state)
-			return -ESTALE;
-	}
+	ret = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE);
+	if (ret != 0)
+		return ret;
+	ret = nfs4_open_recover_helper(opendata, FMODE_WRITE);
+	if (ret != 0)
+		return ret;
+	ret = nfs4_open_recover_helper(opendata, FMODE_READ);
+	if (ret != 0)
+		return ret;
 	/*
 	 * We may have performed cached opens for all three recoveries.
 	 * Check if we need to update the current stateid.
@@ -1759,18 +1764,35 @@
 	return err;
 }
 
-int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
+int nfs4_open_delegation_recall(struct nfs_open_context *ctx,
+		struct nfs4_state *state, const nfs4_stateid *stateid,
+		fmode_t type)
 {
 	struct nfs_server *server = NFS_SERVER(state->inode);
 	struct nfs4_opendata *opendata;
-	int err;
+	int err = 0;
 
 	opendata = nfs4_open_recoverdata_alloc(ctx, state,
 			NFS4_OPEN_CLAIM_DELEG_CUR_FH);
 	if (IS_ERR(opendata))
 		return PTR_ERR(opendata);
 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);
-	err = nfs4_open_recover(opendata, state);
+	write_seqlock(&state->seqlock);
+	nfs4_stateid_copy(&state->stateid, &state->open_stateid);
+	write_sequnlock(&state->seqlock);
+	clear_bit(NFS_DELEGATED_STATE, &state->flags);
+	switch (type & (FMODE_READ|FMODE_WRITE)) {
+	case FMODE_READ|FMODE_WRITE:
+	case FMODE_WRITE:
+		err = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE);
+		if (err)
+			break;
+		err = nfs4_open_recover_helper(opendata, FMODE_WRITE);
+		if (err)
+			break;
+	case FMODE_READ:
+		err = nfs4_open_recover_helper(opendata, FMODE_READ);
+	}
 	nfs4_opendata_put(opendata);
 	return nfs4_handle_delegation_recall_error(server, state, stateid, err);
 }
@@ -1850,6 +1872,8 @@
 	data->rpc_done = 0;
 	data->rpc_status = 0;
 	data->timestamp = jiffies;
+	if (data->is_recover)
+		nfs4_set_sequence_privileged(&data->c_arg.seq_args);
 	task = rpc_run_task(&task_setup_data);
 	if (IS_ERR(task))
 		return PTR_ERR(task);
@@ -2645,6 +2669,15 @@
 	return err;
 }
 
+static bool
+nfs4_wait_on_layoutreturn(struct inode *inode, struct rpc_task *task)
+{
+	if (inode == NULL || !nfs_have_layout(inode))
+		return false;
+
+	return pnfs_wait_on_layoutreturn(inode, task);
+}
+
 struct nfs4_closedata {
 	struct inode *inode;
 	struct nfs4_state *state;
@@ -2763,6 +2796,11 @@
 		goto out_no_action;
 	}
 
+	if (nfs4_wait_on_layoutreturn(inode, task)) {
+		nfs_release_seqid(calldata->arg.seqid);
+		goto out_wait;
+	}
+
 	if (calldata->arg.fmode == 0)
 		task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CLOSE];
 	if (calldata->roc)
@@ -5308,6 +5346,9 @@
 
 	d_data = (struct nfs4_delegreturndata *)data;
 
+	if (nfs4_wait_on_layoutreturn(d_data->inode, task))
+		return;
+
 	if (d_data->roc)
 		pnfs_roc_get_barrier(d_data->inode, &d_data->roc_barrier);
 
@@ -7800,39 +7841,46 @@
 			dprintk("%s: NFS4ERR_RECALLCONFLICT waiting %lu\n",
 				__func__, delay);
 			rpc_delay(task, delay);
-			task->tk_status = 0;
-			rpc_restart_call_prepare(task);
-			goto out; /* Do not call nfs4_async_handle_error() */
+			/* Do not call nfs4_async_handle_error() */
+			goto out_restart;
 		}
 		break;
 	case -NFS4ERR_EXPIRED:
 	case -NFS4ERR_BAD_STATEID:
 		spin_lock(&inode->i_lock);
-		lo = NFS_I(inode)->layout;
-		if (!lo || list_empty(&lo->plh_segs)) {
+		if (nfs4_stateid_match(&lgp->args.stateid,
+					&lgp->args.ctx->state->stateid)) {
 			spin_unlock(&inode->i_lock);
 			/* If the open stateid was bad, then recover it. */
 			state = lgp->args.ctx->state;
-		} else {
+			break;
+		}
+		lo = NFS_I(inode)->layout;
+		if (lo && nfs4_stateid_match(&lgp->args.stateid,
+					&lo->plh_stateid)) {
 			LIST_HEAD(head);
 
 			/*
 			 * Mark the bad layout state as invalid, then retry
 			 * with the current stateid.
 			 */
+			set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
 			pnfs_mark_matching_lsegs_invalid(lo, &head, NULL);
 			spin_unlock(&inode->i_lock);
 			pnfs_free_lseg_list(&head);
-	
-			task->tk_status = 0;
-			rpc_restart_call_prepare(task);
-		}
+		} else
+			spin_unlock(&inode->i_lock);
+		goto out_restart;
 	}
 	if (nfs4_async_handle_error(task, server, state, NULL) == -EAGAIN)
-		rpc_restart_call_prepare(task);
+		goto out_restart;
 out:
 	dprintk("<-- %s\n", __func__);
 	return;
+out_restart:
+	task->tk_status = 0;
+	rpc_restart_call_prepare(task);
+	return;
 out_overflow:
 	task->tk_status = -EOVERFLOW;
 	goto out;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index da73bc4..d854693 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1481,7 +1481,7 @@
 					spin_unlock(&state->state_lock);
 				}
 				nfs4_put_open_state(state);
-				clear_bit(NFS4CLNT_RECLAIM_NOGRACE,
+				clear_bit(NFS_STATE_RECLAIM_NOGRACE,
 					&state->flags);
 				spin_lock(&sp->so_lock);
 				goto restart;
@@ -1725,7 +1725,8 @@
 			if (!test_and_clear_bit(ops->owner_flag_bit,
 							&sp->so_flags))
 				continue;
-			atomic_inc(&sp->so_count);
+			if (!atomic_inc_not_zero(&sp->so_count))
+				continue;
 			spin_unlock(&clp->cl_lock);
 			rcu_read_unlock();
 
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 28df12e..671cf68 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -409,7 +409,7 @@
 			__entry->flags = flags;
 			__entry->fmode = (__force unsigned int)ctx->mode;
 			__entry->dev = ctx->dentry->d_sb->s_dev;
-			if (!IS_ERR(state))
+			if (!IS_ERR_OR_NULL(state))
 				inode = state->inode;
 			if (inode != NULL) {
 				__entry->fileid = NFS_FILEID(inode);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 7c5718b..fe3ddd2 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -508,7 +508,7 @@
 	 * for it without upsetting the slab allocator.
 	 */
 	if (((mirror->pg_count + req->wb_bytes) >> PAGE_SHIFT) *
-			sizeof(struct page) > PAGE_SIZE)
+			sizeof(struct page *) > PAGE_SIZE)
 		return 0;
 
 	return min(mirror->pg_bsize - mirror->pg_count, (size_t)req->wb_bytes);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index ba12464..8abe271 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1104,20 +1104,15 @@
 			mark_lseg_invalid(lseg, &tmp_list);
 			found = true;
 		}
-	/* pnfs_prepare_layoutreturn() grabs lo ref and it will be put
-	 * in pnfs_roc_release(). We don't really send a layoutreturn but
-	 * still want others to view us like we are sending one!
-	 *
-	 * If pnfs_prepare_layoutreturn() fails, it means someone else is doing
-	 * LAYOUTRETURN, so we proceed like there are no layouts to return.
-	 *
-	 * ROC in three conditions:
+	/* ROC in two conditions:
 	 * 1. there are ROC lsegs
 	 * 2. we don't send layoutreturn
-	 * 3. no others are sending layoutreturn
 	 */
-	if (found && !layoutreturn && pnfs_prepare_layoutreturn(lo))
+	if (found && !layoutreturn) {
+		/* lo ref dropped in pnfs_roc_release() */
+		pnfs_get_layout_hdr(lo);
 		roc = true;
+	}
 
 out_noroc:
 	spin_unlock(&ino->i_lock);
@@ -1172,6 +1167,26 @@
 	spin_unlock(&ino->i_lock);
 }
 
+bool pnfs_wait_on_layoutreturn(struct inode *ino, struct rpc_task *task)
+{
+	struct nfs_inode *nfsi = NFS_I(ino);
+        struct pnfs_layout_hdr *lo;
+        bool sleep = false;
+
+	/* we might not have grabbed lo reference. so need to check under
+	 * i_lock */
+        spin_lock(&ino->i_lock);
+        lo = nfsi->layout;
+        if (lo && test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags))
+                sleep = true;
+        spin_unlock(&ino->i_lock);
+
+        if (sleep)
+                rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL);
+
+        return sleep;
+}
+
 /*
  * Compare two layout segments for sorting into layout cache.
  * We want to preferentially return RW over RO layouts, so ensure those
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 78c9351..d1990e9 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -270,6 +270,7 @@
 void pnfs_roc_release(struct inode *ino);
 void pnfs_roc_set_barrier(struct inode *ino, u32 barrier);
 void pnfs_roc_get_barrier(struct inode *ino, u32 *barrier);
+bool pnfs_wait_on_layoutreturn(struct inode *ino, struct rpc_task *task);
 void pnfs_set_layoutcommit(struct inode *, struct pnfs_layout_segment *, loff_t);
 void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data);
 int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
@@ -639,6 +640,12 @@
 {
 }
 
+static inline bool
+pnfs_wait_on_layoutreturn(struct inode *ino, struct rpc_task *task)
+{
+	return false;
+}
+
 static inline void set_pnfs_layoutdriver(struct nfs_server *s,
 					 const struct nfs_fh *mntfh, u32 id)
 {
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index ae0ff7a..01b8cc8 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -72,6 +72,9 @@
 {
 	struct nfs_pgio_mirror *mirror;
 
+	if (pgio->pg_ops && pgio->pg_ops->pg_cleanup)
+		pgio->pg_ops->pg_cleanup(pgio);
+
 	pgio->pg_ops = &nfs_pgio_rw_ops;
 
 	/* read path should never have more than one mirror */
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 388f480..75ab762 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -569,19 +569,17 @@
 	if (!nfs_pageio_add_request(pgio, req)) {
 		nfs_redirty_request(req);
 		ret = pgio->pg_error;
-	}
+	} else
+		nfs_add_stats(page_file_mapping(page)->host,
+				NFSIOS_WRITEPAGES, 1);
 out:
 	return ret;
 }
 
 static int nfs_do_writepage(struct page *page, struct writeback_control *wbc, struct nfs_pageio_descriptor *pgio)
 {
-	struct inode *inode = page_file_mapping(page)->host;
 	int ret;
 
-	nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE);
-	nfs_add_stats(inode, NFSIOS_WRITEPAGES, 1);
-
 	nfs_pageio_cond_complete(pgio, page_file_index(page));
 	ret = nfs_page_async_flush(pgio, page, wbc->sync_mode == WB_SYNC_NONE);
 	if (ret == -EAGAIN) {
@@ -597,9 +595,11 @@
 static int nfs_writepage_locked(struct page *page, struct writeback_control *wbc)
 {
 	struct nfs_pageio_descriptor pgio;
+	struct inode *inode = page_file_mapping(page)->host;
 	int err;
 
-	nfs_pageio_init_write(&pgio, page->mapping->host, wb_priority(wbc),
+	nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE);
+	nfs_pageio_init_write(&pgio, inode, wb_priority(wbc),
 				false, &nfs_async_write_completion_ops);
 	err = nfs_do_writepage(page, wbc, &pgio);
 	nfs_pageio_complete(&pgio);
@@ -1223,7 +1223,7 @@
 		return 1;
 	if (!flctx || (list_empty_careful(&flctx->flc_flock) &&
 		       list_empty_careful(&flctx->flc_posix)))
-		return 0;
+		return 1;
 
 	/* Check to see if there are whole file write locks */
 	ret = 0;
@@ -1351,6 +1351,9 @@
 {
 	struct nfs_pgio_mirror *mirror;
 
+	if (pgio->pg_ops && pgio->pg_ops->pg_cleanup)
+		pgio->pg_ops->pg_cleanup(pgio);
+
 	pgio->pg_ops = &nfs_pgio_rw_ops;
 
 	nfs_pageio_stop_mirroring(pgio);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 46b8b2b..ee5aa4d 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1439,6 +1439,7 @@
 	int found, ret;
 	int set_maybe;
 	int dispatch_assert = 0;
+	int dispatched = 0;
 
 	if (!dlm_grab(dlm))
 		return DLM_MASTER_RESP_NO;
@@ -1658,15 +1659,18 @@
 			mlog(ML_ERROR, "failed to dispatch assert master work\n");
 			response = DLM_MASTER_RESP_ERROR;
 			dlm_lockres_put(res);
-		} else
+		} else {
+			dispatched = 1;
 			__dlm_lockres_grab_inflight_worker(dlm, res);
+		}
 		spin_unlock(&res->spinlock);
 	} else {
 		if (res)
 			dlm_lockres_put(res);
 	}
 
-	dlm_put(dlm);
+	if (!dispatched)
+		dlm_put(dlm);
 	return response;
 }
 
@@ -2090,7 +2094,6 @@
 
 
 	/* queue up work for dlm_assert_master_worker */
-	dlm_grab(dlm);  /* get an extra ref for the work item */
 	dlm_init_work_item(dlm, item, dlm_assert_master_worker, NULL);
 	item->u.am.lockres = res; /* already have a ref */
 	/* can optionally ignore node numbers higher than this node */
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index ce12e0b..3d90ad7 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1694,6 +1694,7 @@
 	unsigned int hash;
 	int master = DLM_LOCK_RES_OWNER_UNKNOWN;
 	u32 flags = DLM_ASSERT_MASTER_REQUERY;
+	int dispatched = 0;
 
 	if (!dlm_grab(dlm)) {
 		/* since the domain has gone away on this
@@ -1719,8 +1720,10 @@
 				dlm_put(dlm);
 				/* sender will take care of this and retry */
 				return ret;
-			} else
+			} else {
+				dispatched = 1;
 				__dlm_lockres_grab_inflight_worker(dlm, res);
+			}
 			spin_unlock(&res->spinlock);
 		} else {
 			/* put.. incase we are not the master */
@@ -1730,7 +1733,8 @@
 	}
 	spin_unlock(&dlm->spinlock);
 
-	dlm_put(dlm);
+	if (!dispatched)
+		dlm_put(dlm);
 	return master;
 }
 
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index 96f3448..fd65b3f 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -652,11 +652,8 @@
 {
 	int err;
 
-	mutex_lock(&inode->i_mutex);
 	err = security_inode_init_security(inode, dentry, qstr,
 					   &init_xattrs, 0);
-	mutex_unlock(&inode->i_mutex);
-
 	if (err) {
 		struct ubifs_info *c = dentry->i_sb->s_fs_info;
 		ubifs_err(c, "cannot initialize security for inode %lu, error %d",
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 634e676..5031170 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -467,8 +467,8 @@
 	 * the fault_*wqh.
 	 */
 	spin_lock(&ctx->fault_pending_wqh.lock);
-	__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL, 0, &range);
-	__wake_up_locked_key(&ctx->fault_wqh, TASK_NORMAL, 0, &range);
+	__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL, &range);
+	__wake_up_locked_key(&ctx->fault_wqh, TASK_NORMAL, &range);
 	spin_unlock(&ctx->fault_pending_wqh.lock);
 
 	wake_up_poll(&ctx->fd_wqh, POLLHUP);
@@ -650,10 +650,10 @@
 	spin_lock(&ctx->fault_pending_wqh.lock);
 	/* wake all in the range and autoremove */
 	if (waitqueue_active(&ctx->fault_pending_wqh))
-		__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL, 0,
+		__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL,
 				     range);
 	if (waitqueue_active(&ctx->fault_wqh))
-		__wake_up_locked_key(&ctx->fault_wqh, TASK_NORMAL, 0, range);
+		__wake_up_locked_key(&ctx->fault_wqh, TASK_NORMAL, range);
 	spin_unlock(&ctx->fault_pending_wqh.lock);
 }
 
@@ -1287,8 +1287,10 @@
 
 	file = anon_inode_getfile("[userfaultfd]", &userfaultfd_fops, ctx,
 				  O_RDWR | (flags & UFFD_SHARED_FCNTL_FLAGS));
-	if (IS_ERR(file))
+	if (IS_ERR(file)) {
+		mmput(ctx->mm);
 		kmem_cache_free(userfaultfd_ctx_cachep, ctx);
+	}
 out:
 	return file;
 }
diff --git a/include/acpi/button.h b/include/acpi/button.h
index 97eea0e..1cad8b2 100644
--- a/include/acpi/button.h
+++ b/include/acpi/button.h
@@ -3,7 +3,7 @@
 
 #include <linux/notifier.h>
 
-#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE)
+#if IS_ENABLED(CONFIG_ACPI_BUTTON)
 extern int acpi_lid_notifier_register(struct notifier_block *nb);
 extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
 extern int acpi_lid_open(void);
@@ -20,6 +20,6 @@
 {
 	return 1;
 }
-#endif /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */
+#endif /* IS_ENABLED(CONFIG_ACPI_BUTTON) */
 
 #endif /* ACPI_BUTTON_H */
diff --git a/include/acpi/video.h b/include/acpi/video.h
index e840b29..c62392d 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -24,7 +24,7 @@
 	acpi_backlight_native,
 };
 
-#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
+#if IS_ENABLED(CONFIG_ACPI_VIDEO)
 extern int acpi_video_register(void);
 extern void acpi_video_unregister(void);
 extern int acpi_video_get_edid(struct acpi_device *device, int type,
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index f20f407..4b4b056 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -73,7 +73,7 @@
  * Convert a physical address to a Page Frame Number and back
  */
 #define	__phys_to_pfn(paddr)	((unsigned long)((paddr) >> PAGE_SHIFT))
-#define	__pfn_to_phys(pfn)	((pfn) << PAGE_SHIFT)
+#define	__pfn_to_phys(pfn)	PFN_PHYS(pfn)
 
 #define page_to_pfn __page_to_pfn
 #define pfn_to_page __pfn_to_page
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h
index 83bfb87..e2aadbc 100644
--- a/include/asm-generic/qspinlock.h
+++ b/include/asm-generic/qspinlock.h
@@ -111,8 +111,8 @@
 		cpu_relax();
 }
 
-#ifndef virt_queued_spin_lock
-static __always_inline bool virt_queued_spin_lock(struct qspinlock *lock)
+#ifndef virt_spin_lock
+static __always_inline bool virt_spin_lock(struct qspinlock *lock)
 {
 	return false;
 }
diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h
index 94f9ea8..011dde0 100644
--- a/include/asm-generic/word-at-a-time.h
+++ b/include/asm-generic/word-at-a-time.h
@@ -1,15 +1,10 @@
 #ifndef _ASM_WORD_AT_A_TIME_H
 #define _ASM_WORD_AT_A_TIME_H
 
-/*
- * This says "generic", but it's actually big-endian only.
- * Little-endian can use more efficient versions of these
- * interfaces, see for example
- *	 arch/x86/include/asm/word-at-a-time.h
- * for those.
- */
-
 #include <linux/kernel.h>
+#include <asm/byteorder.h>
+
+#ifdef __BIG_ENDIAN
 
 struct word_at_a_time {
 	const unsigned long high_bits, low_bits;
@@ -53,4 +48,73 @@
 #define zero_bytemask(mask) (~1ul << __fls(mask))
 #endif
 
+#else
+
+/*
+ * The optimal byte mask counting is probably going to be something
+ * that is architecture-specific. If you have a reliably fast
+ * bit count instruction, that might be better than the multiply
+ * and shift, for example.
+ */
+struct word_at_a_time {
+	const unsigned long one_bits, high_bits;
+};
+
+#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
+
+#ifdef CONFIG_64BIT
+
+/*
+ * Jan Achrenius on G+: microoptimized version of
+ * the simpler "(mask & ONEBYTES) * ONEBYTES >> 56"
+ * that works for the bytemasks without having to
+ * mask them first.
+ */
+static inline long count_masked_bytes(unsigned long mask)
+{
+	return mask*0x0001020304050608ul >> 56;
+}
+
+#else	/* 32-bit case */
+
+/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */
+static inline long count_masked_bytes(long mask)
+{
+	/* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
+	long a = (0x0ff0001+mask) >> 23;
+	/* Fix the 1 for 00 case */
+	return a & mask;
+}
+
+#endif
+
+/* Return nonzero if it has a zero */
+static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c)
+{
+	unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;
+	*bits = mask;
+	return mask;
+}
+
+static inline unsigned long prep_zero_mask(unsigned long a, unsigned long bits, const struct word_at_a_time *c)
+{
+	return bits;
+}
+
+static inline unsigned long create_zero_mask(unsigned long bits)
+{
+	bits = (bits - 1) & ~bits;
+	return bits >> 7;
+}
+
+/* The mask we created is directly usable as a bytemask */
+#define zero_bytemask(mask) (mask)
+
+static inline unsigned long find_zero(unsigned long mask)
+{
+	return count_masked_bytes(mask);
+}
+
+#endif /* __BIG_ENDIAN */
+
 #endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 2a747a9..3febb4b 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -240,5 +240,6 @@
 
 extern void drm_kms_helper_poll_disable(struct drm_device *dev);
 extern void drm_kms_helper_poll_enable(struct drm_device *dev);
+extern void drm_kms_helper_poll_enable_locked(struct drm_device *dev);
 
 #endif
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 499e9f6..0212d13 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -568,6 +568,10 @@
 #define MODE_I2C_READ	4
 #define MODE_I2C_STOP	8
 
+/* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
+#define DP_MST_PHYSICAL_PORT_0 0
+#define DP_MST_LOGICAL_PORT_0 8
+
 #define DP_LINK_STATUS_SIZE	   6
 bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
 			  int lane_count);
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 86d0b25..0f408b0 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -374,6 +374,7 @@
 struct drm_dp_mst_topology_cbs {
 	/* create a connector for a port */
 	struct drm_connector *(*add_connector)(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *path);
+	void (*register_connector)(struct drm_connector *connector);
 	void (*destroy_connector)(struct drm_dp_mst_topology_mgr *mgr,
 				  struct drm_connector *connector);
 	void (*hotplug)(struct drm_dp_mst_topology_mgr *mgr);
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index d901f1a..4e14dac 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -35,11 +35,7 @@
 #define VGIC_V3_MAX_LRS		16
 #define VGIC_MAX_IRQS		1024
 #define VGIC_V2_MAX_CPUS	8
-
-/* Sanity checks... */
-#if (KVM_MAX_VCPUS > 255)
-#error Too many KVM VCPUs, the VGIC only supports up to 255 VCPUs for now
-#endif
+#define VGIC_V3_MAX_CPUS	255
 
 #if (VGIC_NR_IRQS_LEGACY & 31)
 #error "VGIC_NR_IRQS must be a multiple of 32"
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7235c48..43856d1 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -217,6 +217,7 @@
 
 int acpi_pci_irq_enable (struct pci_dev *dev);
 void acpi_penalize_isa_irq(int irq, int active);
+bool acpi_isa_irq_available(int irq);
 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 void acpi_pci_irq_disable (struct pci_dev *dev);
 
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 5a5d79e..d5eb4ad1 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/blkdev.h>
 #include <linux/writeback.h>
+#include <linux/memcontrol.h>
 #include <linux/blk-cgroup.h>
 #include <linux/backing-dev-defs.h>
 #include <linux/slab.h>
@@ -252,13 +253,19 @@
  * @inode: inode of interest
  *
  * cgroup writeback requires support from both the bdi and filesystem.
- * Test whether @inode has both.
+ * Also, both memcg and iocg have to be on the default hierarchy.  Test
+ * whether all conditions are met.
+ *
+ * Note that the test result may change dynamically on the same inode
+ * depending on how memcg and iocg are configured.
  */
 static inline bool inode_cgwb_enabled(struct inode *inode)
 {
 	struct backing_dev_info *bdi = inode_to_bdi(inode);
 
-	return bdi_cap_account_dirty(bdi) &&
+	return cgroup_on_dfl(mem_cgroup_root_css->cgroup) &&
+		cgroup_on_dfl(blkcg_root_css->cgroup) &&
+		bdi_cap_account_dirty(bdi) &&
 		(bdi->capabilities & BDI_CAP_CGROUP_WRITEBACK) &&
 		(inode->i_sb->s_iflags & SB_I_CGROUPWB);
 }
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 37d1602..5e7d43a 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -145,7 +145,6 @@
 	BLK_MQ_F_SHOULD_MERGE	= 1 << 0,
 	BLK_MQ_F_TAG_SHARED	= 1 << 1,
 	BLK_MQ_F_SG_MERGE	= 1 << 2,
-	BLK_MQ_F_SYSFS_UP	= 1 << 3,
 	BLK_MQ_F_DEFER_ISSUE	= 1 << 4,
 	BLK_MQ_F_ALLOC_POLICY_START_BIT = 8,
 	BLK_MQ_F_ALLOC_POLICY_BITS = 1,
@@ -215,7 +214,7 @@
 void blk_mq_cancel_requeue_work(struct request_queue *q);
 void blk_mq_kick_requeue_list(struct request_queue *q);
 void blk_mq_abort_requeue_list(struct request_queue *q);
-void blk_mq_complete_request(struct request *rq);
+void blk_mq_complete_request(struct request *rq, int error);
 
 void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
 void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
@@ -224,8 +223,6 @@
 void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
 void blk_mq_run_hw_queues(struct request_queue *q, bool async);
 void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
-void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
-		void *priv);
 void blk_mq_all_tag_busy_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
 		void *priv);
 void blk_mq_freeze_queue(struct request_queue *q);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 38a5ff7..19c2e94 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -456,6 +456,8 @@
 	struct blk_mq_tag_set	*tag_set;
 	struct list_head	tag_set_list;
 	struct bio_set		*bio_split;
+
+	bool			mq_sysfs_init_done;
 };
 
 #define QUEUE_FLAG_QUEUED	1	/* uses generic tag queueing */
@@ -1368,6 +1370,26 @@
 		((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q));
 }
 
+static inline bool bio_will_gap(struct request_queue *q, struct bio *prev,
+			 struct bio *next)
+{
+	if (!bio_has_data(prev))
+		return false;
+
+	return bvec_gap_to_prev(q, &prev->bi_io_vec[prev->bi_vcnt - 1],
+				next->bi_io_vec[0].bv_offset);
+}
+
+static inline bool req_gap_back_merge(struct request *req, struct bio *bio)
+{
+	return bio_will_gap(req->q, req->biotail, bio);
+}
+
+static inline bool req_gap_front_merge(struct request *req, struct bio *bio)
+{
+	return bio_will_gap(req->q, bio, req->bio);
+}
+
 struct work_struct;
 int kblockd_schedule_work(struct work_struct *work);
 int kblockd_schedule_delayed_work(struct delayed_work *dwork, unsigned long delay);
@@ -1494,6 +1516,26 @@
 	return q->limits.max_integrity_segments;
 }
 
+static inline bool integrity_req_gap_back_merge(struct request *req,
+						struct bio *next)
+{
+	struct bio_integrity_payload *bip = bio_integrity(req->bio);
+	struct bio_integrity_payload *bip_next = bio_integrity(next);
+
+	return bvec_gap_to_prev(req->q, &bip->bip_vec[bip->bip_vcnt - 1],
+				bip_next->bip_vec[0].bv_offset);
+}
+
+static inline bool integrity_req_gap_front_merge(struct request *req,
+						 struct bio *bio)
+{
+	struct bio_integrity_payload *bip = bio_integrity(bio);
+	struct bio_integrity_payload *bip_next = bio_integrity(req->bio);
+
+	return bvec_gap_to_prev(req->q, &bip->bip_vec[bip->bip_vcnt - 1],
+				bip_next->bip_vec[0].bv_offset);
+}
+
 #else /* CONFIG_BLK_DEV_INTEGRITY */
 
 struct bio;
@@ -1560,6 +1602,16 @@
 {
 	return 0;
 }
+static inline bool integrity_req_gap_back_merge(struct request *req,
+						struct bio *next)
+{
+	return false;
+}
+static inline bool integrity_req_gap_front_merge(struct request *req,
+						 struct bio *bio)
+{
+	return false;
+}
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
 
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index 4763ad6..f89b31d 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -107,6 +107,7 @@
 	 CEPH_FEATURE_OSDMAP_ENC |		\
 	 CEPH_FEATURE_CRUSH_TUNABLES3 |		\
 	 CEPH_FEATURE_OSD_PRIMARY_AFFINITY |	\
+	 CEPH_FEATURE_MSGR_KEEPALIVE2 |		\
 	 CEPH_FEATURE_CRUSH_V4)
 
 #define CEPH_FEATURES_REQUIRED_DEFAULT   \
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 7e1252e..b2371d9 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -238,6 +238,8 @@
 	bool out_kvec_is_msg; /* kvec refers to out_msg */
 	int out_more;        /* there is more data after the kvecs */
 	__le64 out_temp_ack; /* for writing an ack */
+	struct ceph_timespec out_temp_keepalive2; /* for writing keepalive2
+						     stamp */
 
 	/* message in temps */
 	struct ceph_msg_header in_hdr;
@@ -248,7 +250,7 @@
 	int in_base_pos;     /* bytes read */
 	__le64 in_temp_ack;  /* for reading an ack */
 
-	struct timespec last_keepalive_ack;
+	struct timespec last_keepalive_ack; /* keepalive2 ack stamp */
 
 	struct delayed_work work;	    /* send|recv work */
 	unsigned long       delay;          /* current delay interval */
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 4d8fcf2..8492721 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -473,31 +473,8 @@
 	unsigned int depends_on;
 };
 
-extern struct percpu_rw_semaphore cgroup_threadgroup_rwsem;
-
-/**
- * cgroup_threadgroup_change_begin - threadgroup exclusion for cgroups
- * @tsk: target task
- *
- * Called from threadgroup_change_begin() and allows cgroup operations to
- * synchronize against threadgroup changes using a percpu_rw_semaphore.
- */
-static inline void cgroup_threadgroup_change_begin(struct task_struct *tsk)
-{
-	percpu_down_read(&cgroup_threadgroup_rwsem);
-}
-
-/**
- * cgroup_threadgroup_change_end - threadgroup exclusion for cgroups
- * @tsk: target task
- *
- * Called from threadgroup_change_end().  Counterpart of
- * cgroup_threadcgroup_change_begin().
- */
-static inline void cgroup_threadgroup_change_end(struct task_struct *tsk)
-{
-	percpu_up_read(&cgroup_threadgroup_rwsem);
-}
+void cgroup_threadgroup_change_begin(struct task_struct *tsk);
+void cgroup_threadgroup_change_end(struct task_struct *tsk);
 
 #else	/* CONFIG_CGROUPS */
 
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 31ce435..bdcf358 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -18,15 +18,6 @@
 struct clock_event_device;
 struct module;
 
-/* Clock event mode commands for legacy ->set_mode(): OBSOLETE */
-enum clock_event_mode {
-	CLOCK_EVT_MODE_UNUSED,
-	CLOCK_EVT_MODE_SHUTDOWN,
-	CLOCK_EVT_MODE_PERIODIC,
-	CLOCK_EVT_MODE_ONESHOT,
-	CLOCK_EVT_MODE_RESUME,
-};
-
 /*
  * Possible states of a clock event device.
  *
@@ -86,16 +77,14 @@
  * @min_delta_ns:	minimum delta value in ns
  * @mult:		nanosecond to cycles multiplier
  * @shift:		nanoseconds to cycles divisor (power of two)
- * @mode:		operating mode, relevant only to ->set_mode(), OBSOLETE
  * @state_use_accessors:current state of the device, assigned by the core code
  * @features:		features
  * @retries:		number of forced programming retries
- * @set_mode:		legacy set mode function, only for modes <= CLOCK_EVT_MODE_RESUME.
- * @set_state_periodic:	switch state to periodic, if !set_mode
- * @set_state_oneshot:	switch state to oneshot, if !set_mode
- * @set_state_oneshot_stopped: switch state to oneshot_stopped, if !set_mode
- * @set_state_shutdown:	switch state to shutdown, if !set_mode
- * @tick_resume:	resume clkevt device, if !set_mode
+ * @set_state_periodic:	switch state to periodic
+ * @set_state_oneshot:	switch state to oneshot
+ * @set_state_oneshot_stopped: switch state to oneshot_stopped
+ * @set_state_shutdown:	switch state to shutdown
+ * @tick_resume:	resume clkevt device
  * @broadcast:		function to broadcast events
  * @min_delta_ticks:	minimum delta value in ticks stored for reconfiguration
  * @max_delta_ticks:	maximum delta value in ticks stored for reconfiguration
@@ -116,18 +105,10 @@
 	u64			min_delta_ns;
 	u32			mult;
 	u32			shift;
-	enum clock_event_mode	mode;
 	enum clock_event_state	state_use_accessors;
 	unsigned int		features;
 	unsigned long		retries;
 
-	/*
-	 * State transition callback(s): Only one of the two groups should be
-	 * defined:
-	 * - set_mode(), only for modes <= CLOCK_EVT_MODE_RESUME.
-	 * - set_state_{shutdown|periodic|oneshot|oneshot_stopped}(), tick_resume().
-	 */
-	void			(*set_mode)(enum clock_event_mode mode, struct clock_event_device *);
 	int			(*set_state_periodic)(struct clock_event_device *);
 	int			(*set_state_oneshot)(struct clock_event_device *);
 	int			(*set_state_oneshot_stopped)(struct clock_event_device *);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 430efcb..dca22de 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -127,9 +127,14 @@
 #define CPUFREQ_SHARED_TYPE_ANY	 (3) /* Freq can be set from any dependent CPU*/
 
 #ifdef CONFIG_CPU_FREQ
+struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu);
 struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu);
 void cpufreq_cpu_put(struct cpufreq_policy *policy);
 #else
+static inline struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu)
+{
+	return NULL;
+}
 static inline struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
 {
 	return NULL;
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index ce447f0..68030e2 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -65,7 +65,10 @@
  *			The "flags" parameter's possible values are
  *			explained above with "DEVFREQ_FLAG_*" macros.
  * @get_dev_status:	The device should provide the current performance
- *			status to devfreq, which is used by governors.
+ *			status to devfreq. Governors are recommended not to
+ *			use this directly. Instead, governors are recommended
+ *			to use devfreq_update_stats() along with
+ *			devfreq.last_status.
  * @get_cur_freq:	The device should provide the current frequency
  *			at which it is operating.
  * @exit:		An optional callback that is called when devfreq
@@ -161,6 +164,7 @@
 	struct delayed_work work;
 
 	unsigned long previous_freq;
+	struct devfreq_dev_status last_status;
 
 	void *data; /* private data for governors */
 
@@ -204,6 +208,19 @@
 extern void devm_devfreq_unregister_opp_notifier(struct device *dev,
 						struct devfreq *devfreq);
 
+/**
+ * devfreq_update_stats() - update the last_status pointer in struct devfreq
+ * @df:		the devfreq instance whose status needs updating
+ *
+ *  Governors are recommended to use this function along with last_status,
+ * which allows other entities to reuse the last_status without affecting
+ * the values fetched later by governors.
+ */
+static inline int devfreq_update_stats(struct devfreq *df)
+{
+	return df->profile->get_dev_status(df->dev.parent, &df->last_status);
+}
+
 #if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND)
 /**
  * struct devfreq_simple_ondemand_data - void *data fed to struct devfreq
@@ -289,6 +306,11 @@
 							struct devfreq *devfreq)
 {
 }
+
+static inline int devfreq_update_stats(struct devfreq *df)
+{
+	return -EINVAL;
+}
 #endif /* CONFIG_PM_DEVFREQ */
 
 #endif /* __LINUX_DEVFREQ_H__ */
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index d0b380e..e38681f 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -25,6 +25,13 @@
 extern struct files_struct init_files;
 extern struct fs_struct init_fs;
 
+#ifdef CONFIG_CGROUPS
+#define INIT_GROUP_RWSEM(sig)						\
+	.group_rwsem = __RWSEM_INITIALIZER(sig.group_rwsem),
+#else
+#define INIT_GROUP_RWSEM(sig)
+#endif
+
 #ifdef CONFIG_CPUSETS
 #define INIT_CPUSET_SEQ(tsk)							\
 	.mems_allowed_seq = SEQCNT_ZERO(tsk.mems_allowed_seq),
@@ -57,6 +64,7 @@
 	INIT_PREV_CPUTIME(sig)						\
 	.cred_guard_mutex =						\
 		 __MUTEX_INITIALIZER(sig.cred_guard_mutex),		\
+	INIT_GROUP_RWSEM(sig)						\
 }
 
 extern struct nsproxy init_nsproxy;
diff --git a/include/linux/iova.h b/include/linux/iova.h
index 3920a19..92f7177 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -68,8 +68,8 @@
 	return iova >> iova_shift(iovad);
 }
 
-int iommu_iova_cache_init(void);
-void iommu_iova_cache_destroy(void);
+int iova_cache_get(void);
+void iova_cache_put(void);
 
 struct iova *alloc_iova_mem(void);
 void free_iova_mem(struct iova *iova);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 6f8b340..11bf092 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -110,8 +110,8 @@
 /*
  * Return value for chip->irq_set_affinity()
  *
- * IRQ_SET_MASK_OK	- OK, core updates irq_data.affinity
- * IRQ_SET_MASK_NOCPY	- OK, chip did update irq_data.affinity
+ * IRQ_SET_MASK_OK	- OK, core updates irq_common_data.affinity
+ * IRQ_SET_MASK_NOCPY	- OK, chip did update irq_common_data.affinity
  * IRQ_SET_MASK_OK_DONE	- Same as IRQ_SET_MASK_OK for core. Special code to
  *			  support stacked irqchips, which indicates skipping
  *			  all descendent irqchips.
@@ -129,9 +129,19 @@
  * struct irq_common_data - per irq data shared by all irqchips
  * @state_use_accessors: status information for irq chip functions.
  *			Use accessor functions to deal with it
+ * @node:		node index useful for balancing
+ * @handler_data:	per-IRQ data for the irq_chip methods
+ * @affinity:		IRQ affinity on SMP
+ * @msi_desc:		MSI descriptor
  */
 struct irq_common_data {
 	unsigned int		state_use_accessors;
+#ifdef CONFIG_NUMA
+	unsigned int		node;
+#endif
+	void			*handler_data;
+	struct msi_desc		*msi_desc;
+	cpumask_var_t		affinity;
 };
 
 /**
@@ -139,38 +149,26 @@
  * @mask:		precomputed bitmask for accessing the chip registers
  * @irq:		interrupt number
  * @hwirq:		hardware interrupt number, local to the interrupt domain
- * @node:		node index useful for balancing
  * @common:		point to data shared by all irqchips
  * @chip:		low level interrupt hardware access
  * @domain:		Interrupt translation domain; responsible for mapping
  *			between hwirq number and linux irq number.
  * @parent_data:	pointer to parent struct irq_data to support hierarchy
  *			irq_domain
- * @handler_data:	per-IRQ data for the irq_chip methods
  * @chip_data:		platform-specific per-chip private data for the chip
  *			methods, to allow shared chip implementations
- * @msi_desc:		MSI descriptor
- * @affinity:		IRQ affinity on SMP
- *
- * The fields here need to overlay the ones in irq_desc until we
- * cleaned up the direct references and switched everything over to
- * irq_data.
  */
 struct irq_data {
 	u32			mask;
 	unsigned int		irq;
 	unsigned long		hwirq;
-	unsigned int		node;
 	struct irq_common_data	*common;
 	struct irq_chip		*chip;
 	struct irq_domain	*domain;
 #ifdef	CONFIG_IRQ_DOMAIN_HIERARCHY
 	struct irq_data		*parent_data;
 #endif
-	void			*handler_data;
 	void			*chip_data;
-	struct msi_desc		*msi_desc;
-	cpumask_var_t		affinity;
 };
 
 /*
@@ -190,6 +188,7 @@
  * IRQD_IRQ_MASKED		- Masked state of the interrupt
  * IRQD_IRQ_INPROGRESS		- In progress state of the interrupt
  * IRQD_WAKEUP_ARMED		- Wakeup mode armed
+ * IRQD_FORWARDED_TO_VCPU	- The interrupt is forwarded to a VCPU
  */
 enum {
 	IRQD_TRIGGER_MASK		= 0xf,
@@ -204,6 +203,7 @@
 	IRQD_IRQ_MASKED			= (1 << 17),
 	IRQD_IRQ_INPROGRESS		= (1 << 18),
 	IRQD_WAKEUP_ARMED		= (1 << 19),
+	IRQD_FORWARDED_TO_VCPU		= (1 << 20),
 };
 
 #define __irqd_to_state(d)		((d)->common->state_use_accessors)
@@ -282,6 +282,20 @@
 	return __irqd_to_state(d) & IRQD_WAKEUP_ARMED;
 }
 
+static inline bool irqd_is_forwarded_to_vcpu(struct irq_data *d)
+{
+	return __irqd_to_state(d) & IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_set_forwarded_to_vcpu(struct irq_data *d)
+{
+	__irqd_to_state(d) |= IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d)
+{
+	__irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU;
+}
 
 /*
  * Functions for chained handlers which can be enabled/disabled by the
@@ -461,14 +475,14 @@
  * Built-in IRQ handlers for various IRQ types,
  * callable via desc->handle_irq()
  */
-extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_level_irq(struct irq_desc *desc);
+extern void handle_fasteoi_irq(struct irq_desc *desc);
+extern void handle_edge_irq(struct irq_desc *desc);
+extern void handle_edge_eoi_irq(struct irq_desc *desc);
+extern void handle_simple_irq(struct irq_desc *desc);
+extern void handle_percpu_irq(struct irq_desc *desc);
+extern void handle_percpu_devid_irq(struct irq_desc *desc);
+extern void handle_bad_irq(struct irq_desc *desc);
 extern void handle_nested_irq(unsigned int irq);
 
 extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);
@@ -627,23 +641,23 @@
 static inline void *irq_get_handler_data(unsigned int irq)
 {
 	struct irq_data *d = irq_get_irq_data(irq);
-	return d ? d->handler_data : NULL;
+	return d ? d->common->handler_data : NULL;
 }
 
 static inline void *irq_data_get_irq_handler_data(struct irq_data *d)
 {
-	return d->handler_data;
+	return d->common->handler_data;
 }
 
 static inline struct msi_desc *irq_get_msi_desc(unsigned int irq)
 {
 	struct irq_data *d = irq_get_irq_data(irq);
-	return d ? d->msi_desc : NULL;
+	return d ? d->common->msi_desc : NULL;
 }
 
 static inline struct msi_desc *irq_data_get_msi_desc(struct irq_data *d)
 {
-	return d->msi_desc;
+	return d->common->msi_desc;
 }
 
 static inline u32 irq_get_trigger_type(unsigned int irq)
@@ -652,21 +666,30 @@
 	return d ? irqd_get_trigger_type(d) : 0;
 }
 
+static inline int irq_common_data_get_node(struct irq_common_data *d)
+{
+#ifdef CONFIG_NUMA
+	return d->node;
+#else
+	return 0;
+#endif
+}
+
 static inline int irq_data_get_node(struct irq_data *d)
 {
-	return d->node;
+	return irq_common_data_get_node(d->common);
 }
 
 static inline struct cpumask *irq_get_affinity_mask(int irq)
 {
 	struct irq_data *d = irq_get_irq_data(irq);
 
-	return d ? d->affinity : NULL;
+	return d ? d->common->affinity : NULL;
 }
 
 static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
 {
-	return d->affinity;
+	return d->common->affinity;
 }
 
 unsigned int arch_dynirq_lower_bound(unsigned int from);
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 5acfa26..a587a33 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -98,11 +98,7 @@
 
 static inline struct irq_desc *irq_data_to_desc(struct irq_data *data)
 {
-#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
-	return irq_to_desc(data->irq);
-#else
-	return container_of(data, struct irq_desc, irq_data);
-#endif
+	return container_of(data->common, struct irq_desc, irq_common_data);
 }
 
 static inline unsigned int irq_desc_get_irq(struct irq_desc *desc)
@@ -127,23 +123,21 @@
 
 static inline void *irq_desc_get_handler_data(struct irq_desc *desc)
 {
-	return desc->irq_data.handler_data;
+	return desc->irq_common_data.handler_data;
 }
 
 static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc)
 {
-	return desc->irq_data.msi_desc;
+	return desc->irq_common_data.msi_desc;
 }
 
 /*
  * Architectures call this to let the generic IRQ layer
- * handle an interrupt. If the descriptor is attached to an
- * irqchip-style controller then we call the ->handle_irq() handler,
- * and it calls __do_IRQ() if it's attached to an irqtype-style controller.
+ * handle an interrupt.
  */
-static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc)
+static inline void generic_handle_irq_desc(struct irq_desc *desc)
 {
-	desc->handle_irq(irq, desc);
+	desc->handle_irq(desc);
 }
 
 int generic_handle_irq(unsigned int irq);
@@ -176,29 +170,6 @@
 	return irq_desc_has_action(irq_to_desc(irq));
 }
 
-/* caller has locked the irq_desc and both params are valid */
-static inline void __irq_set_handler_locked(unsigned int irq,
-					    irq_flow_handler_t handler)
-{
-	struct irq_desc *desc;
-
-	desc = irq_to_desc(irq);
-	desc->handle_irq = handler;
-}
-
-/* caller has locked the irq_desc and both params are valid */
-static inline void
-__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
-				   irq_flow_handler_t handler, const char *name)
-{
-	struct irq_desc *desc;
-
-	desc = irq_to_desc(irq);
-	irq_desc_get_irq_data(desc)->chip = chip;
-	desc->handle_irq = handler;
-	desc->name = name;
-}
-
 /**
  * irq_set_handler_locked - Set irq handler from a locked region
  * @data:	Pointer to the irq_data structure which identifies the irq
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index d3ca792..f644fdb 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -161,6 +161,11 @@
 	IRQ_DOMAIN_FLAG_NONCORE		= (1 << 16),
 };
 
+static inline struct device_node *irq_domain_get_of_node(struct irq_domain *d)
+{
+	return d->of_node;
+}
+
 #ifdef CONFIG_IRQ_DOMAIN
 struct irq_domain *__irq_domain_add(struct device_node *of_node, int size,
 				    irq_hw_number_t hwirq_max, int direct_max,
diff --git a/include/linux/irqhandler.h b/include/linux/irqhandler.h
index 62d5430..661bed0 100644
--- a/include/linux/irqhandler.h
+++ b/include/linux/irqhandler.h
@@ -8,7 +8,7 @@
 
 struct irq_desc;
 struct irq_data;
-typedef	void (*irq_flow_handler_t)(unsigned int irq, struct irq_desc *desc);
+typedef	void (*irq_flow_handler_t)(struct irq_desc *desc);
 typedef	void (*irq_preflow_handler_t)(struct irq_data *data);
 
 #endif
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 7f653e8..f109423 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -21,8 +21,8 @@
  *
  * DEFINE_STATIC_KEY_TRUE(key);
  * DEFINE_STATIC_KEY_FALSE(key);
- * static_key_likely()
- * statick_key_unlikely()
+ * static_branch_likely()
+ * static_branch_unlikely()
  *
  * Jump labels provide an interface to generate dynamic branches using
  * self-modifying code. Assuming toolchain and architecture support, if we
@@ -45,12 +45,10 @@
  * statement, setting the key to true requires us to patch in a jump
  * to the out-of-line of true branch.
  *
- * In addtion to static_branch_{enable,disable}, we can also reference count
+ * In addition to static_branch_{enable,disable}, we can also reference count
  * the key or branch direction via static_branch_{inc,dec}. Thus,
  * static_branch_inc() can be thought of as a 'make more true' and
- * static_branch_dec() as a 'make more false'. The inc()/dec()
- * interface is meant to be used exclusively from the inc()/dec() for a given
- * key.
+ * static_branch_dec() as a 'make more false'.
  *
  * Since this relies on modifying code, the branch modifying functions
  * must be considered absolute slow paths (machine wide synchronization etc.).
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index ad800e6..6452ff4 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -242,7 +242,6 @@
 	 * percpu counter.
 	 */
 	struct mem_cgroup_stat_cpu __percpu *stat;
-	spinlock_t pcp_counter_lock;
 
 #if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_INET)
 	struct cg_proto tcp_mem;
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 8eb3b19..250b1ff 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -402,17 +402,6 @@
 	u8			rsvd[8];
 };
 
-struct mlx5_cmd_query_special_contexts_mbox_in {
-	struct mlx5_inbox_hdr	hdr;
-	u8			rsvd[8];
-};
-
-struct mlx5_cmd_query_special_contexts_mbox_out {
-	struct mlx5_outbox_hdr	hdr;
-	__be32                  dump_fill_mkey;
-	__be32                  resd_lkey;
-};
-
 struct mlx5_cmd_layout {
 	u8		type;
 	u8		rsvd0[3];
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 27b53f9..8b6d6f2 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -845,7 +845,6 @@
 int mlx5_register_interface(struct mlx5_interface *intf);
 void mlx5_unregister_interface(struct mlx5_interface *intf);
 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
-int mlx5_core_query_special_context(struct mlx5_core_dev *dev, u32 *rsvd_lkey);
 
 struct mlx5_profile {
 	u64	mask;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 91c08f6..80001de 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -905,6 +905,27 @@
 #endif
 }
 
+#ifdef CONFIG_MEMCG
+static inline struct mem_cgroup *page_memcg(struct page *page)
+{
+	return page->mem_cgroup;
+}
+
+static inline void set_page_memcg(struct page *page, struct mem_cgroup *memcg)
+{
+	page->mem_cgroup = memcg;
+}
+#else
+static inline struct mem_cgroup *page_memcg(struct page *page)
+{
+	return NULL;
+}
+
+static inline void set_page_memcg(struct page *page, struct mem_cgroup *memcg)
+{
+}
+#endif
+
 /*
  * Some inline functions in vmstat.h depend on page_zone()
  */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 88a0069..2d15e38 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -507,6 +507,7 @@
 	BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state));
 	smp_mb__before_atomic();
 	clear_bit(NAPI_STATE_SCHED, &n->state);
+	clear_bit(NAPI_STATE_NPSVC, &n->state);
 }
 
 #ifdef CONFIG_SMP
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 962387a..4a4e3a0 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -19,6 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/ethtool.h>
 #include <linux/mii.h>
+#include <linux/module.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
 #include <linux/mod_devicetable.h>
@@ -153,6 +154,7 @@
  * PHYs should register using this structure
  */
 struct mii_bus {
+	struct module *owner;
 	const char *name;
 	char id[MII_BUS_ID_SIZE];
 	void *priv;
@@ -198,7 +200,8 @@
 	return mdiobus_alloc_size(0);
 }
 
-int mdiobus_register(struct mii_bus *bus);
+int __mdiobus_register(struct mii_bus *bus, struct module *owner);
+#define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
 void mdiobus_unregister(struct mii_bus *bus);
 void mdiobus_free(struct mii_bus *bus);
 struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
@@ -742,6 +745,7 @@
 				     struct phy_c45_device_ids *c45_ids);
 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
 int phy_device_register(struct phy_device *phy);
+void phy_device_remove(struct phy_device *phydev);
 int phy_init_hw(struct phy_device *phydev);
 int phy_suspend(struct phy_device *phydev);
 int phy_resume(struct phy_device *phydev);
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index ff47651..581abf8 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -230,12 +230,11 @@
 		   struct rcu_synchronize *rs_array);
 
 #define _wait_rcu_gp(checktiny, ...) \
-do { \
-	call_rcu_func_t __crcu_array[] = { __VA_ARGS__ }; \
-	const int __n = ARRAY_SIZE(__crcu_array); \
-	struct rcu_synchronize __rs_array[__n]; \
-	\
-	__wait_rcu_gp(checktiny, __n, __crcu_array, __rs_array); \
+do {									\
+	call_rcu_func_t __crcu_array[] = { __VA_ARGS__ };		\
+	struct rcu_synchronize __rs_array[ARRAY_SIZE(__crcu_array)];	\
+	__wait_rcu_gp(checktiny, ARRAY_SIZE(__crcu_array),		\
+			__crcu_array, __rs_array);			\
 } while (0)
 
 #define wait_rcu_gp(...) _wait_rcu_gp(false, __VA_ARGS__)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index a4ab9da..b7b9501 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -762,6 +762,18 @@
 	unsigned audit_tty_log_passwd;
 	struct tty_audit_buf *tty_audit_buf;
 #endif
+#ifdef CONFIG_CGROUPS
+	/*
+	 * group_rwsem prevents new tasks from entering the threadgroup and
+	 * member tasks from exiting,a more specifically, setting of
+	 * PF_EXITING.  fork and exit paths are protected with this rwsem
+	 * using threadgroup_change_begin/end().  Users which require
+	 * threadgroup to remain stable should use threadgroup_[un]lock()
+	 * which also takes care of exec path.  Currently, cgroup is the
+	 * only user.
+	 */
+	struct rw_semaphore group_rwsem;
+#endif
 
 	oom_flags_t oom_flags;
 	short oom_score_adj;		/* OOM kill score adjustment */
diff --git a/include/linux/security.h b/include/linux/security.h
index 79d85dd..2f4c1f7 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -946,7 +946,7 @@
 				      unsigned long arg4,
 				      unsigned long arg5)
 {
-	return cap_task_prctl(option, arg2, arg3, arg3, arg5);
+	return cap_task_prctl(option, arg2, arg3, arg4, arg5);
 }
 
 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2738d35..4398411 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -179,6 +179,9 @@
 	u8			bridged_dnat:1;
 	__u16			frag_max_size;
 	struct net_device	*physindev;
+
+	/* always valid & non-NULL from FORWARD on, for physdev match */
+	struct net_device	*physoutdev;
 	union {
 		/* prerouting: detect dnat in orig/reply direction */
 		__be32          ipv4_daddr;
@@ -189,9 +192,6 @@
 		 * skb is out in neigh layer.
 		 */
 		char neigh_header[8];
-
-		/* always valid & non-NULL from FORWARD on, for physdev match */
-		struct net_device *physoutdev;
 	};
 };
 #endif
@@ -2707,6 +2707,9 @@
 {
 	if (skb->ip_summed == CHECKSUM_COMPLETE)
 		skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0));
+	else if (skb->ip_summed == CHECKSUM_PARTIAL &&
+		 skb_checksum_start_offset(skb) < 0)
+		skb->ip_summed = CHECKSUM_NONE;
 }
 
 unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 269e8af..6b00f18 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -34,7 +34,7 @@
 
 /**
  * struct spi_statistics - statistics for spi transfers
- * @clock:         lock protecting this structure
+ * @lock:          lock protecting this structure
  *
  * @messages:      number of spi-messages handled
  * @transfers:     number of spi_transfers handled
diff --git a/include/linux/string.h b/include/linux/string.h
index a8d90db..9ef7795 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -25,6 +25,9 @@
 #ifndef __HAVE_ARCH_STRLCPY
 size_t strlcpy(char *, const char *, size_t);
 #endif
+#ifndef __HAVE_ARCH_STRSCPY
+ssize_t __must_check strscpy(char *, const char *, size_t);
+#endif
 #ifndef __HAVE_ARCH_STRCAT
 extern char * strcat(char *, const char *);
 #endif
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index 7591788..357e44c 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -42,6 +42,7 @@
 	/*
 	 * Connection of transports
 	 */
+	unsigned long		sock_state;
 	struct delayed_work	connect_worker;
 	struct sockaddr_storage	srcaddr;
 	unsigned short		srcport;
@@ -76,6 +77,8 @@
  */
 #define TCP_RPC_REPLY		(1UL << 6)
 
+#define XPRT_SOCK_CONNECTING	1U
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_SUNRPC_XPRTSOCK_H */
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 17292fe..157d366 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -360,7 +360,7 @@
 thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
 				const struct thermal_zone_of_device_ops *ops)
 {
-	return NULL;
+	return ERR_PTR(-ENODEV);
 }
 
 static inline
@@ -380,6 +380,8 @@
 
 int power_actor_get_max_power(struct thermal_cooling_device *,
 			      struct thermal_zone_device *tz, u32 *max_power);
+int power_actor_get_min_power(struct thermal_cooling_device *,
+			      struct thermal_zone_device *tz, u32 *min_power);
 int power_actor_set_power(struct thermal_cooling_device *,
 			  struct thermal_instance *, u32);
 struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
@@ -415,6 +417,10 @@
 static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev,
 			      struct thermal_zone_device *tz, u32 *max_power)
 { return 0; }
+static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev,
+					    struct thermal_zone_device *tz,
+					    u32 *min_power)
+{ return -ENODEV; }
 static inline int power_actor_set_power(struct thermal_cooling_device *cdev,
 			  struct thermal_instance *tz, u32 power)
 { return 0; }
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 48d901f..e312219 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -147,11 +147,20 @@
 		cpumask_or(mask, mask, tick_nohz_full_mask);
 }
 
+static inline int housekeeping_any_cpu(void)
+{
+	return cpumask_any_and(housekeeping_mask, cpu_online_mask);
+}
+
 extern void tick_nohz_full_kick(void);
 extern void tick_nohz_full_kick_cpu(int cpu);
 extern void tick_nohz_full_kick_all(void);
 extern void __tick_nohz_task_switch(void);
 #else
+static inline int housekeeping_any_cpu(void)
+{
+	return smp_processor_id();
+}
 static inline bool tick_nohz_full_enabled(void) { return false; }
 static inline bool tick_nohz_full_cpu(int cpu) { return false; }
 static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask) { }
diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
index 3dd5a78..bfb7472 100644
--- a/include/linux/usb/renesas_usbhs.h
+++ b/include/linux/usb/renesas_usbhs.h
@@ -157,7 +157,7 @@
 	 */
 	int pio_dma_border; /* default is 64byte */
 
-	u32 type;
+	uintptr_t type;
 	u32 enable_gpio;
 
 	/*
diff --git a/include/linux/wait.h b/include/linux/wait.h
index d3d0772..1e1bf9f 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -147,8 +147,7 @@
 
 typedef int wait_bit_action_f(struct wait_bit_key *);
 void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
-void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, int nr,
-			  void *key);
+void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key);
 void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
 void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr);
 void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr);
@@ -180,7 +179,7 @@
 #define wake_up_poll(x, m)						\
 	__wake_up(x, TASK_NORMAL, 1, (void *) (m))
 #define wake_up_locked_poll(x, m)					\
-	__wake_up_locked_key((x), TASK_NORMAL, 1, (void *) (m))
+	__wake_up_locked_key((x), TASK_NORMAL, (void *) (m))
 #define wake_up_interruptible_poll(x, m)				\
 	__wake_up(x, TASK_INTERRUPTIBLE, 1, (void *) (m))
 #define wake_up_interruptible_sync_poll(x, m)				\
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 4a167b3..cb1b9bb 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -63,7 +63,11 @@
 #define UNIX_GC_MAYBE_CYCLE	1
 	struct socket_wq	peer_wq;
 };
-#define unix_sk(__sk) ((struct unix_sock *)__sk)
+
+static inline struct unix_sock *unix_sk(struct sock *sk)
+{
+	return (struct unix_sock *)sk;
+}
 
 #define peer_wait peer_wq.wait
 
diff --git a/include/net/flow.h b/include/net/flow.h
index acd6a09..9b85db8 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -35,6 +35,7 @@
 #define FLOWI_FLAG_ANYSRC		0x01
 #define FLOWI_FLAG_KNOWN_NH		0x02
 #define FLOWI_FLAG_VRFSRC		0x04
+#define FLOWI_FLAG_SKIP_NH_OIF		0x08
 	__u32	flowic_secid;
 	struct flowi_tunnel flowic_tun_key;
 };
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 879d6e5..186f3a1 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -110,7 +110,19 @@
 void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
 			   struct inet_hashinfo *hashinfo);
 
-void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo);
+void __inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo,
+			  bool rearm);
+
+static void inline inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo)
+{
+	__inet_twsk_schedule(tw, timeo, false);
+}
+
+static void inline inet_twsk_reschedule(struct inet_timewait_sock *tw, int timeo)
+{
+	__inet_twsk_schedule(tw, timeo, true);
+}
+
 void inet_twsk_deschedule_put(struct inet_timewait_sock *tw);
 
 void inet_twsk_purge(struct inet_hashinfo *hashinfo,
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 063d304..aaf9700 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -275,7 +275,8 @@
 	     struct nl_info *info, struct mx6_config *mxc);
 int fib6_del(struct rt6_info *rt, struct nl_info *info);
 
-void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info);
+void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info,
+		     unsigned int flags);
 
 void fib6_run_gc(unsigned long expires, struct net *net, bool force);
 
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index b8529aa..fa915fa 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -32,6 +32,12 @@
 	__be32			o_key;
 };
 
+struct ip6_tnl_dst {
+	seqlock_t lock;
+	struct dst_entry __rcu *dst;
+	u32 cookie;
+};
+
 /* IPv6 tunnel */
 struct ip6_tnl {
 	struct ip6_tnl __rcu *next;	/* next tunnel in list */
@@ -39,8 +45,7 @@
 	struct net *net;	/* netns for packet i/o */
 	struct __ip6_tnl_parm parms;	/* tunnel configuration parameters */
 	struct flowi fl;	/* flowi template for xmit */
-	struct dst_entry *dst_cache;    /* cached dst */
-	u32 dst_cookie;
+	struct ip6_tnl_dst __percpu *dst_cache;	/* cached dst */
 
 	int err_count;
 	unsigned long err_time;
@@ -60,9 +65,11 @@
 	__u8 encap_limit;	/* tunnel encapsulation limit   */
 } __packed;
 
-struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t);
+struct dst_entry *ip6_tnl_dst_get(struct ip6_tnl *t);
+int ip6_tnl_dst_init(struct ip6_tnl *t);
+void ip6_tnl_dst_destroy(struct ip6_tnl *t);
 void ip6_tnl_dst_reset(struct ip6_tnl *t);
-void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst);
+void ip6_tnl_dst_set(struct ip6_tnl *t, struct dst_entry *dst);
 int ip6_tnl_rcv_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
 		const struct in6_addr *raddr);
 int ip6_tnl_xmit_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
@@ -79,7 +86,7 @@
 	struct net_device_stats *stats = &dev->stats;
 	int pkt_len, err;
 
-	pkt_len = skb->len;
+	pkt_len = skb->len - skb_inner_network_offset(skb);
 	err = ip6_local_out_sk(sk, skb);
 
 	if (net_xmit_eval(err) == 0) {
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index a37d043..727d6e9 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -236,8 +236,11 @@
 	rcu_read_lock();
 
 	tb = fib_get_table(net, RT_TABLE_MAIN);
-	if (tb && !fib_table_lookup(tb, flp, res, flags | FIB_LOOKUP_NOREF))
-		err = 0;
+	if (tb)
+		err = fib_table_lookup(tb, flp, res, flags | FIB_LOOKUP_NOREF);
+
+	if (err == -EAGAIN)
+		err = -ENETUNREACH;
 
 	rcu_read_unlock();
 
@@ -258,7 +261,7 @@
 			     struct fib_result *res, unsigned int flags)
 {
 	struct fib_table *tb;
-	int err;
+	int err = -ENETUNREACH;
 
 	flags |= FIB_LOOKUP_NOREF;
 	if (net->ipv4.fib_has_custom_rules)
@@ -268,15 +271,20 @@
 
 	res->tclassid = 0;
 
-	for (err = 0; !err; err = -ENETUNREACH) {
-		tb = rcu_dereference_rtnl(net->ipv4.fib_main);
-		if (tb && !fib_table_lookup(tb, flp, res, flags))
-			break;
+	tb = rcu_dereference_rtnl(net->ipv4.fib_main);
+	if (tb)
+		err = fib_table_lookup(tb, flp, res, flags);
 
-		tb = rcu_dereference_rtnl(net->ipv4.fib_default);
-		if (tb && !fib_table_lookup(tb, flp, res, flags))
-			break;
-	}
+	if (!err)
+		goto out;
+
+	tb = rcu_dereference_rtnl(net->ipv4.fib_default);
+	if (tb)
+		err = fib_table_lookup(tb, flp, res, flags);
+
+out:
+	if (err == -EAGAIN)
+		err = -ENETUNREACH;
 
 	rcu_read_unlock();
 
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 9a6a3ba..f6dafec 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -276,6 +276,8 @@
 int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
 		  __be32 src, __be32 dst, u8 proto,
 		  u8 tos, u8 ttl, __be16 df, bool xnet);
+struct metadata_dst *iptunnel_metadata_reply(struct metadata_dst *md,
+					     gfp_t flags);
 
 struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb, bool gre_csum,
 					 int gso_type_mask);
diff --git a/include/net/route.h b/include/net/route.h
index cc61cb9..f46af25 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -255,7 +255,7 @@
 		flow_flags |= FLOWI_FLAG_ANYSRC;
 
 	if (netif_index_is_vrf(sock_net(sk), oif))
-		flow_flags |= FLOWI_FLAG_VRFSRC;
+		flow_flags |= FLOWI_FLAG_VRFSRC | FLOWI_FLAG_SKIP_NH_OIF;
 
 	flowi4_init_output(fl4, oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE,
 			   protocol, flow_flags, dst, src, dport, sport);
diff --git a/include/rdma/opa_port_info.h b/include/rdma/opa_port_info.h
index 391dae1..a0fa975 100644
--- a/include/rdma/opa_port_info.h
+++ b/include/rdma/opa_port_info.h
@@ -294,8 +294,8 @@
 
 struct opa_port_state_info {
 	struct opa_port_states port_states;
-	u16 link_width_downgrade_tx_active;
-	u16 link_width_downgrade_rx_active;
+	__be16 link_width_downgrade_tx_active;
+	__be16 link_width_downgrade_rx_active;
 };
 
 struct opa_port_info {
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index ac9bf1c..5f48754 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -730,6 +730,7 @@
 #define DF_EMULATED_VPD_UNIT_SERIAL		0x00000004
 #define DF_USING_UDEV_PATH			0x00000008
 #define DF_USING_ALIAS				0x00000010
+#define DF_READ_ONLY				0x00000020
 	/* Physical device queue depth */
 	u32			queue_depth;
 	/* Used for SPC-2 reservations enforce of ISIDs */
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 8da542a..ee12400 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -709,17 +709,19 @@
 __SYSCALL(__NR_bpf, sys_bpf)
 #define __NR_execveat 281
 __SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat)
-#define __NR_membarrier 282
+#define __NR_userfaultfd 282
+__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
+#define __NR_membarrier 283
 __SYSCALL(__NR_membarrier, sys_membarrier)
 
 #undef __NR_syscalls
-#define __NR_syscalls 283
+#define __NR_syscalls 284
 
 /*
  * All syscalls below here should go away really,
  * these are provided for both review and as a porting
  * help for the C library version.
-*
+ *
  * Last chance: are any of these important enough to
  * enable by default?
  */
diff --git a/include/uapi/linux/lwtunnel.h b/include/uapi/linux/lwtunnel.h
index 34141a5..f8b0188 100644
--- a/include/uapi/linux/lwtunnel.h
+++ b/include/uapi/linux/lwtunnel.h
@@ -21,8 +21,6 @@
 	LWTUNNEL_IP_SRC,
 	LWTUNNEL_IP_TTL,
 	LWTUNNEL_IP_TOS,
-	LWTUNNEL_IP_SPORT,
-	LWTUNNEL_IP_DPORT,
 	LWTUNNEL_IP_FLAGS,
 	__LWTUNNEL_IP_MAX,
 };
@@ -36,8 +34,6 @@
 	LWTUNNEL_IP6_SRC,
 	LWTUNNEL_IP6_HOPLIMIT,
 	LWTUNNEL_IP6_TC,
-	LWTUNNEL_IP6_SPORT,
-	LWTUNNEL_IP6_DPORT,
 	LWTUNNEL_IP6_FLAGS,
 	__LWTUNNEL_IP6_MAX,
 };
diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index df0e09b..9057d7a 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -11,8 +11,6 @@
 
 #include <linux/types.h>
 
-#include <linux/compiler.h>
-
 #define UFFD_API ((__u64)0xAA)
 /*
  * After implementing the respective features it will become:
diff --git a/include/xen/interface/sched.h b/include/xen/interface/sched.h
index 9ce0839..f184909 100644
--- a/include/xen/interface/sched.h
+++ b/include/xen/interface/sched.h
@@ -107,5 +107,13 @@
 #define SHUTDOWN_suspend    2  /* Clean up, save suspend info, kill.         */
 #define SHUTDOWN_crash      3  /* Tell controller we've crashed.             */
 #define SHUTDOWN_watchdog   4  /* Restart because watchdog time expired.     */
+/*
+ * Domain asked to perform 'soft reset' for it. The expected behavior is to
+ * reset internal Xen state for the domain returning it to the point where it
+ * was created but leaving the domain's memory contents and vCPU contexts
+ * intact. This will allow the domain to start over and set up all Xen specific
+ * interfaces again.
+ */
+#define SHUTDOWN_soft_reset 5
 
 #endif /* __XEN_PUBLIC_SCHED_H__ */
diff --git a/ipc/msg.c b/ipc/msg.c
index 66c4f56..1471db9 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -137,13 +137,6 @@
 		return retval;
 	}
 
-	/* ipc_addid() locks msq upon success. */
-	id = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni);
-	if (id < 0) {
-		ipc_rcu_putref(msq, msg_rcu_free);
-		return id;
-	}
-
 	msq->q_stime = msq->q_rtime = 0;
 	msq->q_ctime = get_seconds();
 	msq->q_cbytes = msq->q_qnum = 0;
@@ -153,6 +146,13 @@
 	INIT_LIST_HEAD(&msq->q_receivers);
 	INIT_LIST_HEAD(&msq->q_senders);
 
+	/* ipc_addid() locks msq upon success. */
+	id = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni);
+	if (id < 0) {
+		ipc_rcu_putref(msq, msg_rcu_free);
+		return id;
+	}
+
 	ipc_unlock_object(&msq->q_perm);
 	rcu_read_unlock();
 
diff --git a/ipc/shm.c b/ipc/shm.c
index 222131e..4178727 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -551,12 +551,6 @@
 	if (IS_ERR(file))
 		goto no_file;
 
-	id = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);
-	if (id < 0) {
-		error = id;
-		goto no_id;
-	}
-
 	shp->shm_cprid = task_tgid_vnr(current);
 	shp->shm_lprid = 0;
 	shp->shm_atim = shp->shm_dtim = 0;
@@ -565,6 +559,13 @@
 	shp->shm_nattch = 0;
 	shp->shm_file = file;
 	shp->shm_creator = current;
+
+	id = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);
+	if (id < 0) {
+		error = id;
+		goto no_id;
+	}
+
 	list_add(&shp->shm_clist, &current->sysvshm.shm_clist);
 
 	/*
diff --git a/ipc/util.c b/ipc/util.c
index be42300..0f401d9 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -237,6 +237,10 @@
 	rcu_read_lock();
 	spin_lock(&new->lock);
 
+	current_euid_egid(&euid, &egid);
+	new->cuid = new->uid = euid;
+	new->gid = new->cgid = egid;
+
 	id = idr_alloc(&ids->ipcs_idr, new,
 		       (next_id < 0) ? 0 : ipcid_to_idx(next_id), 0,
 		       GFP_NOWAIT);
@@ -249,10 +253,6 @@
 
 	ids->in_use++;
 
-	current_euid_egid(&euid, &egid);
-	new->cuid = new->uid = euid;
-	new->gid = new->cgid = egid;
-
 	if (next_id < 0) {
 		new->seq = ids->seq++;
 		if (ids->seq > IPCID_SEQ_MAX)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 2cf0f79..2c9eae6 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -46,7 +46,6 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/rwsem.h>
-#include <linux/percpu-rwsem.h>
 #include <linux/string.h>
 #include <linux/sort.h>
 #include <linux/kmod.h>
@@ -104,8 +103,6 @@
  */
 static DEFINE_SPINLOCK(release_agent_path_lock);
 
-struct percpu_rw_semaphore cgroup_threadgroup_rwsem;
-
 #define cgroup_assert_mutex_or_rcu_locked()				\
 	RCU_LOCKDEP_WARN(!rcu_read_lock_held() &&			\
 			   !lockdep_is_held(&cgroup_mutex),		\
@@ -874,6 +871,48 @@
 	return cset;
 }
 
+void cgroup_threadgroup_change_begin(struct task_struct *tsk)
+{
+	down_read(&tsk->signal->group_rwsem);
+}
+
+void cgroup_threadgroup_change_end(struct task_struct *tsk)
+{
+	up_read(&tsk->signal->group_rwsem);
+}
+
+/**
+ * threadgroup_lock - lock threadgroup
+ * @tsk: member task of the threadgroup to lock
+ *
+ * Lock the threadgroup @tsk belongs to.  No new task is allowed to enter
+ * and member tasks aren't allowed to exit (as indicated by PF_EXITING) or
+ * change ->group_leader/pid.  This is useful for cases where the threadgroup
+ * needs to stay stable across blockable operations.
+ *
+ * fork and exit explicitly call threadgroup_change_{begin|end}() for
+ * synchronization.  While held, no new task will be added to threadgroup
+ * and no existing live task will have its PF_EXITING set.
+ *
+ * de_thread() does threadgroup_change_{begin|end}() when a non-leader
+ * sub-thread becomes a new leader.
+ */
+static void threadgroup_lock(struct task_struct *tsk)
+{
+	down_write(&tsk->signal->group_rwsem);
+}
+
+/**
+ * threadgroup_unlock - unlock threadgroup
+ * @tsk: member task of the threadgroup to unlock
+ *
+ * Reverse threadgroup_lock().
+ */
+static inline void threadgroup_unlock(struct task_struct *tsk)
+{
+	up_write(&tsk->signal->group_rwsem);
+}
+
 static struct cgroup_root *cgroup_root_from_kf(struct kernfs_root *kf_root)
 {
 	struct cgroup *root_cgrp = kf_root->kn->priv;
@@ -2074,9 +2113,9 @@
 	lockdep_assert_held(&css_set_rwsem);
 
 	/*
-	 * We are synchronized through cgroup_threadgroup_rwsem against
-	 * PF_EXITING setting such that we can't race against cgroup_exit()
-	 * changing the css_set to init_css_set and dropping the old one.
+	 * We are synchronized through threadgroup_lock() against PF_EXITING
+	 * setting such that we can't race against cgroup_exit() changing the
+	 * css_set to init_css_set and dropping the old one.
 	 */
 	WARN_ON_ONCE(tsk->flags & PF_EXITING);
 	old_cset = task_css_set(tsk);
@@ -2133,11 +2172,10 @@
  * @src_cset and add it to @preloaded_csets, which should later be cleaned
  * up by cgroup_migrate_finish().
  *
- * This function may be called without holding cgroup_threadgroup_rwsem
- * even if the target is a process.  Threads may be created and destroyed
- * but as long as cgroup_mutex is not dropped, no new css_set can be put
- * into play and the preloaded css_sets are guaranteed to cover all
- * migrations.
+ * This function may be called without holding threadgroup_lock even if the
+ * target is a process.  Threads may be created and destroyed but as long
+ * as cgroup_mutex is not dropped, no new css_set can be put into play and
+ * the preloaded css_sets are guaranteed to cover all migrations.
  */
 static void cgroup_migrate_add_src(struct css_set *src_cset,
 				   struct cgroup *dst_cgrp,
@@ -2240,7 +2278,7 @@
  * @threadgroup: whether @leader points to the whole process or a single task
  *
  * Migrate a process or task denoted by @leader to @cgrp.  If migrating a
- * process, the caller must be holding cgroup_threadgroup_rwsem.  The
+ * process, the caller must be holding threadgroup_lock of @leader.  The
  * caller is also responsible for invoking cgroup_migrate_add_src() and
  * cgroup_migrate_prepare_dst() on the targets before invoking this
  * function and following up with cgroup_migrate_finish().
@@ -2368,7 +2406,7 @@
  * @leader: the task or the leader of the threadgroup to be attached
  * @threadgroup: attach the whole threadgroup?
  *
- * Call holding cgroup_mutex and cgroup_threadgroup_rwsem.
+ * Call holding cgroup_mutex and threadgroup_lock of @leader.
  */
 static int cgroup_attach_task(struct cgroup *dst_cgrp,
 			      struct task_struct *leader, bool threadgroup)
@@ -2460,13 +2498,14 @@
 	if (!cgrp)
 		return -ENODEV;
 
-	percpu_down_write(&cgroup_threadgroup_rwsem);
+retry_find_task:
 	rcu_read_lock();
 	if (pid) {
 		tsk = find_task_by_vpid(pid);
 		if (!tsk) {
+			rcu_read_unlock();
 			ret = -ESRCH;
-			goto out_unlock_rcu;
+			goto out_unlock_cgroup;
 		}
 	} else {
 		tsk = current;
@@ -2482,23 +2521,37 @@
 	 */
 	if (tsk == kthreadd_task || (tsk->flags & PF_NO_SETAFFINITY)) {
 		ret = -EINVAL;
-		goto out_unlock_rcu;
+		rcu_read_unlock();
+		goto out_unlock_cgroup;
 	}
 
 	get_task_struct(tsk);
 	rcu_read_unlock();
 
+	threadgroup_lock(tsk);
+	if (threadgroup) {
+		if (!thread_group_leader(tsk)) {
+			/*
+			 * a race with de_thread from another thread's exec()
+			 * may strip us of our leadership, if this happens,
+			 * there is no choice but to throw this task away and
+			 * try again; this is
+			 * "double-double-toil-and-trouble-check locking".
+			 */
+			threadgroup_unlock(tsk);
+			put_task_struct(tsk);
+			goto retry_find_task;
+		}
+	}
+
 	ret = cgroup_procs_write_permission(tsk, cgrp, of);
 	if (!ret)
 		ret = cgroup_attach_task(cgrp, tsk, threadgroup);
 
-	put_task_struct(tsk);
-	goto out_unlock_threadgroup;
+	threadgroup_unlock(tsk);
 
-out_unlock_rcu:
-	rcu_read_unlock();
-out_unlock_threadgroup:
-	percpu_up_write(&cgroup_threadgroup_rwsem);
+	put_task_struct(tsk);
+out_unlock_cgroup:
 	cgroup_kn_unlock(of->kn);
 	return ret ?: nbytes;
 }
@@ -2643,8 +2696,6 @@
 
 	lockdep_assert_held(&cgroup_mutex);
 
-	percpu_down_write(&cgroup_threadgroup_rwsem);
-
 	/* look up all csses currently attached to @cgrp's subtree */
 	down_read(&css_set_rwsem);
 	css_for_each_descendant_pre(css, cgroup_css(cgrp, NULL)) {
@@ -2700,8 +2751,17 @@
 				goto out_finish;
 			last_task = task;
 
+			threadgroup_lock(task);
+			/* raced against de_thread() from another thread? */
+			if (!thread_group_leader(task)) {
+				threadgroup_unlock(task);
+				put_task_struct(task);
+				continue;
+			}
+
 			ret = cgroup_migrate(src_cset->dfl_cgrp, task, true);
 
+			threadgroup_unlock(task);
 			put_task_struct(task);
 
 			if (WARN(ret, "cgroup: failed to update controllers for the default hierarchy (%d), further operations may crash or hang\n", ret))
@@ -2711,7 +2771,6 @@
 
 out_finish:
 	cgroup_migrate_finish(&preloaded_csets);
-	percpu_up_write(&cgroup_threadgroup_rwsem);
 	return ret;
 }
 
@@ -5024,7 +5083,6 @@
 	unsigned long key;
 	int ssid, err;
 
-	BUG_ON(percpu_init_rwsem(&cgroup_threadgroup_rwsem));
 	BUG_ON(cgroup_init_cftypes(NULL, cgroup_dfl_base_files));
 	BUG_ON(cgroup_init_cftypes(NULL, cgroup_legacy_base_files));
 
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f548f69..b11756f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1243,11 +1243,7 @@
 					      PERF_EVENT_STATE_INACTIVE;
 }
 
-/*
- * Called at perf_event creation and when events are attached/detached from a
- * group.
- */
-static void perf_event__read_size(struct perf_event *event)
+static void __perf_event_read_size(struct perf_event *event, int nr_siblings)
 {
 	int entry = sizeof(u64); /* value */
 	int size = 0;
@@ -1263,7 +1259,7 @@
 		entry += sizeof(u64);
 
 	if (event->attr.read_format & PERF_FORMAT_GROUP) {
-		nr += event->group_leader->nr_siblings;
+		nr += nr_siblings;
 		size += sizeof(u64);
 	}
 
@@ -1271,14 +1267,11 @@
 	event->read_size = size;
 }
 
-static void perf_event__header_size(struct perf_event *event)
+static void __perf_event_header_size(struct perf_event *event, u64 sample_type)
 {
 	struct perf_sample_data *data;
-	u64 sample_type = event->attr.sample_type;
 	u16 size = 0;
 
-	perf_event__read_size(event);
-
 	if (sample_type & PERF_SAMPLE_IP)
 		size += sizeof(data->ip);
 
@@ -1303,6 +1296,17 @@
 	event->header_size = size;
 }
 
+/*
+ * Called at perf_event creation and when events are attached/detached from a
+ * group.
+ */
+static void perf_event__header_size(struct perf_event *event)
+{
+	__perf_event_read_size(event,
+			       event->group_leader->nr_siblings);
+	__perf_event_header_size(event, event->attr.sample_type);
+}
+
 static void perf_event__id_header_size(struct perf_event *event)
 {
 	struct perf_sample_data *data;
@@ -1330,6 +1334,27 @@
 	event->id_header_size = size;
 }
 
+static bool perf_event_validate_size(struct perf_event *event)
+{
+	/*
+	 * The values computed here will be over-written when we actually
+	 * attach the event.
+	 */
+	__perf_event_read_size(event, event->group_leader->nr_siblings + 1);
+	__perf_event_header_size(event, event->attr.sample_type & ~PERF_SAMPLE_READ);
+	perf_event__id_header_size(event);
+
+	/*
+	 * Sum the lot; should not exceed the 64k limit we have on records.
+	 * Conservative limit to allow for callchains and other variable fields.
+	 */
+	if (event->read_size + event->header_size +
+	    event->id_header_size + sizeof(struct perf_event_header) >= 16*1024)
+		return false;
+
+	return true;
+}
+
 static void perf_group_attach(struct perf_event *event)
 {
 	struct perf_event *group_leader = event->group_leader, *pos;
@@ -8297,13 +8322,35 @@
 
 	if (move_group) {
 		gctx = group_leader->ctx;
+		mutex_lock_double(&gctx->mutex, &ctx->mutex);
+	} else {
+		mutex_lock(&ctx->mutex);
+	}
 
+	if (!perf_event_validate_size(event)) {
+		err = -E2BIG;
+		goto err_locked;
+	}
+
+	/*
+	 * Must be under the same ctx::mutex as perf_install_in_context(),
+	 * because we need to serialize with concurrent event creation.
+	 */
+	if (!exclusive_event_installable(event, ctx)) {
+		/* exclusive and group stuff are assumed mutually exclusive */
+		WARN_ON_ONCE(move_group);
+
+		err = -EBUSY;
+		goto err_locked;
+	}
+
+	WARN_ON_ONCE(ctx->parent_ctx);
+
+	if (move_group) {
 		/*
 		 * See perf_event_ctx_lock() for comments on the details
 		 * of swizzling perf_event::ctx.
 		 */
-		mutex_lock_double(&gctx->mutex, &ctx->mutex);
-
 		perf_remove_from_context(group_leader, false);
 
 		list_for_each_entry(sibling, &group_leader->sibling_list,
@@ -8311,13 +8358,7 @@
 			perf_remove_from_context(sibling, false);
 			put_ctx(gctx);
 		}
-	} else {
-		mutex_lock(&ctx->mutex);
-	}
 
-	WARN_ON_ONCE(ctx->parent_ctx);
-
-	if (move_group) {
 		/*
 		 * Wait for everybody to stop referencing the events through
 		 * the old lists, before installing it on new lists.
@@ -8349,22 +8390,29 @@
 		perf_event__state_init(group_leader);
 		perf_install_in_context(ctx, group_leader, group_leader->cpu);
 		get_ctx(ctx);
+
+		/*
+		 * Now that all events are installed in @ctx, nothing
+		 * references @gctx anymore, so drop the last reference we have
+		 * on it.
+		 */
+		put_ctx(gctx);
 	}
 
-	if (!exclusive_event_installable(event, ctx)) {
-		err = -EBUSY;
-		mutex_unlock(&ctx->mutex);
-		fput(event_file);
-		goto err_context;
-	}
+	/*
+	 * Precalculate sample_data sizes; do while holding ctx::mutex such
+	 * that we're serialized against further additions and before
+	 * perf_install_in_context() which is the point the event is active and
+	 * can use these values.
+	 */
+	perf_event__header_size(event);
+	perf_event__id_header_size(event);
 
 	perf_install_in_context(ctx, event, event->cpu);
 	perf_unpin_context(ctx);
 
-	if (move_group) {
+	if (move_group)
 		mutex_unlock(&gctx->mutex);
-		put_ctx(gctx);
-	}
 	mutex_unlock(&ctx->mutex);
 
 	put_online_cpus();
@@ -8376,12 +8424,6 @@
 	mutex_unlock(&current->perf_event_mutex);
 
 	/*
-	 * Precalculate sample_data sizes
-	 */
-	perf_event__header_size(event);
-	perf_event__id_header_size(event);
-
-	/*
 	 * Drop the reference on the group_event after placing the
 	 * new event on the sibling_list. This ensures destruction
 	 * of the group leader will find the pointer to itself in
@@ -8391,6 +8433,12 @@
 	fd_install(event_fd, event_file);
 	return event_fd;
 
+err_locked:
+	if (move_group)
+		mutex_unlock(&gctx->mutex);
+	mutex_unlock(&ctx->mutex);
+/* err_file: */
+	fput(event_file);
 err_context:
 	perf_unpin_context(ctx);
 	put_ctx(ctx);
diff --git a/kernel/fork.c b/kernel/fork.c
index 7d5f0f1..2845623 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1149,6 +1149,10 @@
 	tty_audit_fork(sig);
 	sched_autogroup_fork(sig);
 
+#ifdef CONFIG_CGROUPS
+	init_rwsem(&sig->group_rwsem);
+#endif
+
 	sig->oom_score_adj = current->signal->oom_score_adj;
 	sig->oom_score_adj_min = current->signal->oom_score_adj_min;
 
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 6e40a95..e28169d 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -83,7 +83,7 @@
 
 	if (!desc)
 		return -EINVAL;
-	desc->irq_data.handler_data = data;
+	desc->irq_common_data.handler_data = data;
 	irq_put_desc_unlock(desc, flags);
 	return 0;
 }
@@ -105,7 +105,7 @@
 
 	if (!desc)
 		return -EINVAL;
-	desc->irq_data.msi_desc = entry;
+	desc->irq_common_data.msi_desc = entry;
 	if (entry && !irq_offset)
 		entry->irq = irq_base;
 	irq_put_desc_unlock(desc, flags);
@@ -372,7 +372,6 @@
 
 /**
  *	handle_simple_irq - Simple and software-decoded IRQs.
- *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
  *
  *	Simple interrupts are either sent from a demultiplexing interrupt
@@ -382,8 +381,7 @@
  *	Note: The caller is expected to handle the ack, clear, mask and
  *	unmask issues if necessary.
  */
-void
-handle_simple_irq(unsigned int irq, struct irq_desc *desc)
+void handle_simple_irq(struct irq_desc *desc)
 {
 	raw_spin_lock(&desc->lock);
 
@@ -425,7 +423,6 @@
 
 /**
  *	handle_level_irq - Level type irq handler
- *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
  *
  *	Level type interrupts are active as long as the hardware line has
@@ -433,8 +430,7 @@
  *	it after the associated handler has acknowledged the device, so the
  *	interrupt line is back to inactive.
  */
-void
-handle_level_irq(unsigned int irq, struct irq_desc *desc)
+void handle_level_irq(struct irq_desc *desc)
 {
 	raw_spin_lock(&desc->lock);
 	mask_ack_irq(desc);
@@ -496,7 +492,6 @@
 
 /**
  *	handle_fasteoi_irq - irq handler for transparent controllers
- *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
  *
  *	Only a single callback will be issued to the chip: an ->eoi()
@@ -504,8 +499,7 @@
  *	for modern forms of interrupt handlers, which handle the flow
  *	details in hardware, transparently.
  */
-void
-handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
+void handle_fasteoi_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = desc->irq_data.chip;
 
@@ -546,7 +540,6 @@
 
 /**
  *	handle_edge_irq - edge type IRQ handler
- *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
  *
  *	Interrupt occures on the falling and/or rising edge of a hardware
@@ -560,8 +553,7 @@
  *	the handler was running. If all pending interrupts are handled, the
  *	loop is left.
  */
-void
-handle_edge_irq(unsigned int irq, struct irq_desc *desc)
+void handle_edge_irq(struct irq_desc *desc)
 {
 	raw_spin_lock(&desc->lock);
 
@@ -618,13 +610,12 @@
 #ifdef CONFIG_IRQ_EDGE_EOI_HANDLER
 /**
  *	handle_edge_eoi_irq - edge eoi type IRQ handler
- *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
  *
  * Similar as the above handle_edge_irq, but using eoi and w/o the
  * mask/unmask logic.
  */
-void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc)
+void handle_edge_eoi_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 
@@ -665,13 +656,11 @@
 
 /**
  *	handle_percpu_irq - Per CPU local irq handler
- *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
  *
  *	Per CPU interrupts on SMP machines without locking requirements
  */
-void
-handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
+void handle_percpu_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 
@@ -688,7 +677,6 @@
 
 /**
  * handle_percpu_devid_irq - Per CPU local irq handler with per cpu dev ids
- * @irq:	the interrupt number
  * @desc:	the interrupt description structure for this irq
  *
  * Per CPU interrupts on SMP machines without locking requirements. Same as
@@ -698,11 +686,12 @@
  * contain the real device id for the cpu on which this handler is
  * called
  */
-void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc)
+void handle_percpu_devid_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct irqaction *action = desc->action;
 	void *dev_id = raw_cpu_ptr(action->percpu_dev_id);
+	unsigned int irq = irq_desc_get_irq(desc);
 	irqreturn_t res;
 
 	kstat_incr_irqs_this_cpu(desc);
@@ -796,7 +785,7 @@
 		return;
 
 	__irq_do_set_handler(desc, handle, 1, NULL);
-	desc->irq_data.handler_data = data;
+	desc->irq_common_data.handler_data = data;
 
 	irq_put_desc_busunlock(desc, flags);
 }
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index b6eeea8..e25a83b 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -22,17 +22,19 @@
 
 /**
  * handle_bad_irq - handle spurious and unhandled irqs
- * @irq:       the interrupt number
  * @desc:      description of the interrupt
  *
  * Handles spurious and unhandled IRQ's. It also prints a debugmessage.
  */
-void handle_bad_irq(unsigned int irq, struct irq_desc *desc)
+void handle_bad_irq(struct irq_desc *desc)
 {
+	unsigned int irq = irq_desc_get_irq(desc);
+
 	print_irq_desc(irq, desc);
 	kstat_incr_irqs_this_cpu(desc);
 	ack_bad_irq(irq);
 }
+EXPORT_SYMBOL_GPL(handle_bad_irq);
 
 /*
  * Special, empty irq handler:
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index eee4b38..5ef0c2d 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -194,7 +194,7 @@
 
 static inline int irq_desc_get_node(struct irq_desc *desc)
 {
-	return irq_data_get_node(&desc->irq_data);
+	return irq_common_data_get_node(&desc->irq_common_data);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 0a2a4b6..239e2ae 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -38,12 +38,13 @@
 #ifdef CONFIG_SMP
 static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node)
 {
-	if (!zalloc_cpumask_var_node(&desc->irq_data.affinity, gfp, node))
+	if (!zalloc_cpumask_var_node(&desc->irq_common_data.affinity,
+				     gfp, node))
 		return -ENOMEM;
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	if (!zalloc_cpumask_var_node(&desc->pending_mask, gfp, node)) {
-		free_cpumask_var(desc->irq_data.affinity);
+		free_cpumask_var(desc->irq_common_data.affinity);
 		return -ENOMEM;
 	}
 #endif
@@ -52,11 +53,13 @@
 
 static void desc_smp_init(struct irq_desc *desc, int node)
 {
-	desc->irq_data.node = node;
-	cpumask_copy(desc->irq_data.affinity, irq_default_affinity);
+	cpumask_copy(desc->irq_common_data.affinity, irq_default_affinity);
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	cpumask_clear(desc->pending_mask);
 #endif
+#ifdef CONFIG_NUMA
+	desc->irq_common_data.node = node;
+#endif
 }
 
 #else
@@ -70,12 +73,13 @@
 {
 	int cpu;
 
+	desc->irq_common_data.handler_data = NULL;
+	desc->irq_common_data.msi_desc = NULL;
+
 	desc->irq_data.common = &desc->irq_common_data;
 	desc->irq_data.irq = irq;
 	desc->irq_data.chip = &no_irq_chip;
 	desc->irq_data.chip_data = NULL;
-	desc->irq_data.handler_data = NULL;
-	desc->irq_data.msi_desc = NULL;
 	irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS);
 	irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
 	desc->handle_irq = handle_bad_irq;
@@ -121,7 +125,7 @@
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	free_cpumask_var(desc->pending_mask);
 #endif
-	free_cpumask_var(desc->irq_data.affinity);
+	free_cpumask_var(desc->irq_common_data.affinity);
 }
 #else
 static inline void free_masks(struct irq_desc *desc) { }
@@ -343,7 +347,7 @@
 
 	if (!desc)
 		return -EINVAL;
-	generic_handle_irq_desc(irq, desc);
+	generic_handle_irq_desc(desc);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(generic_handle_irq);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 79baaf8..dc9d27c 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -844,7 +844,6 @@
 		child->parent_data = irq_data;
 		irq_data->irq = child->irq;
 		irq_data->common = child->common;
-		irq_data->node = child->node;
 		irq_data->domain = domain;
 	}
 
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ad1b064..f9a59f6 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -192,7 +192,7 @@
 	switch (ret) {
 	case IRQ_SET_MASK_OK:
 	case IRQ_SET_MASK_OK_DONE:
-		cpumask_copy(data->affinity, mask);
+		cpumask_copy(desc->irq_common_data.affinity, mask);
 	case IRQ_SET_MASK_OK_NOCOPY:
 		irq_set_thread_affinity(desc);
 		ret = 0;
@@ -304,7 +304,7 @@
 	if (irq_move_pending(&desc->irq_data))
 		irq_get_pending(cpumask, desc);
 	else
-		cpumask_copy(cpumask, desc->irq_data.affinity);
+		cpumask_copy(cpumask, desc->irq_common_data.affinity);
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
 
 	notify->notify(notify, cpumask);
@@ -375,9 +375,9 @@
 	 * one of the targets is online.
 	 */
 	if (irqd_has_set(&desc->irq_data, IRQD_AFFINITY_SET)) {
-		if (cpumask_intersects(desc->irq_data.affinity,
+		if (cpumask_intersects(desc->irq_common_data.affinity,
 				       cpu_online_mask))
-			set = desc->irq_data.affinity;
+			set = desc->irq_common_data.affinity;
 		else
 			irqd_clear(&desc->irq_data, IRQD_AFFINITY_SET);
 	}
@@ -829,8 +829,8 @@
 	 * This code is triggered unconditionally. Check the affinity
 	 * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out.
 	 */
-	if (desc->irq_data.affinity)
-		cpumask_copy(mask, desc->irq_data.affinity);
+	if (desc->irq_common_data.affinity)
+		cpumask_copy(mask, desc->irq_common_data.affinity);
 	else
 		valid = false;
 	raw_spin_unlock_irq(&desc->lock);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 0e97c14..a50ddc9 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -12,6 +12,7 @@
 #include <linux/seq_file.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
+#include <linux/mutex.h>
 
 #include "internals.h"
 
@@ -39,7 +40,7 @@
 static int show_irq_affinity(int type, struct seq_file *m, void *v)
 {
 	struct irq_desc *desc = irq_to_desc((long)m->private);
-	const struct cpumask *mask = desc->irq_data.affinity;
+	const struct cpumask *mask = desc->irq_common_data.affinity;
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	if (irqd_is_setaffinity_pending(&desc->irq_data))
@@ -323,18 +324,29 @@
 
 void register_irq_proc(unsigned int irq, struct irq_desc *desc)
 {
+	static DEFINE_MUTEX(register_lock);
 	char name [MAX_NAMELEN];
 
-	if (!root_irq_dir || (desc->irq_data.chip == &no_irq_chip) || desc->dir)
+	if (!root_irq_dir || (desc->irq_data.chip == &no_irq_chip))
 		return;
 
+	/*
+	 * irq directories are registered only when a handler is
+	 * added, not when the descriptor is created, so multiple
+	 * tasks might try to register at the same time.
+	 */
+	mutex_lock(&register_lock);
+
+	if (desc->dir)
+		goto out_unlock;
+
 	memset(name, 0, MAX_NAMELEN);
 	sprintf(name, "%d", irq);
 
 	/* create /proc/irq/1234 */
 	desc->dir = proc_mkdir(name, root_irq_dir);
 	if (!desc->dir)
-		return;
+		goto out_unlock;
 
 #ifdef CONFIG_SMP
 	/* create /proc/irq/<irq>/smp_affinity */
@@ -355,6 +367,9 @@
 
 	proc_create_data("spurious", 0444, desc->dir,
 			 &irq_spurious_proc_fops, (void *)(long)irq);
+
+out_unlock:
+	mutex_unlock(&register_lock);
 }
 
 void unregister_irq_proc(unsigned int irq, struct irq_desc *desc)
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index dd95f44..b86886b 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -38,7 +38,7 @@
 		clear_bit(irq, irqs_resend);
 		desc = irq_to_desc(irq);
 		local_irq_disable();
-		desc->handle_irq(irq, desc);
+		desc->handle_irq(desc);
 		local_irq_enable();
 	}
 }
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 8acfbf7..4e49cc4 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -3068,7 +3068,7 @@
 static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 			  int trylock, int read, int check, int hardirqs_off,
 			  struct lockdep_map *nest_lock, unsigned long ip,
-			  int references)
+			  int references, int pin_count)
 {
 	struct task_struct *curr = current;
 	struct lock_class *class = NULL;
@@ -3157,7 +3157,7 @@
 	hlock->waittime_stamp = 0;
 	hlock->holdtime_stamp = lockstat_clock();
 #endif
-	hlock->pin_count = 0;
+	hlock->pin_count = pin_count;
 
 	if (check && !mark_irqflags(curr, hlock))
 		return 0;
@@ -3343,7 +3343,7 @@
 			hlock_class(hlock)->subclass, hlock->trylock,
 				hlock->read, hlock->check, hlock->hardirqs_off,
 				hlock->nest_lock, hlock->acquire_ip,
-				hlock->references))
+				hlock->references, hlock->pin_count))
 			return 0;
 	}
 
@@ -3433,7 +3433,7 @@
 			hlock_class(hlock)->subclass, hlock->trylock,
 				hlock->read, hlock->check, hlock->hardirqs_off,
 				hlock->nest_lock, hlock->acquire_ip,
-				hlock->references))
+				hlock->references, hlock->pin_count))
 			return 0;
 	}
 
@@ -3583,7 +3583,7 @@
 	current->lockdep_recursion = 1;
 	trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip);
 	__lock_acquire(lock, subclass, trylock, read, check,
-		       irqs_disabled_flags(flags), nest_lock, ip, 0);
+		       irqs_disabled_flags(flags), nest_lock, ip, 0, 0);
 	current->lockdep_recursion = 0;
 	raw_local_irq_restore(flags);
 }
diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
index 337c881..87e9ce6a 100644
--- a/kernel/locking/qspinlock.c
+++ b/kernel/locking/qspinlock.c
@@ -289,7 +289,7 @@
 	if (pv_enabled())
 		goto queue;
 
-	if (virt_queued_spin_lock(lock))
+	if (virt_spin_lock(lock))
 		return;
 
 	/*
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 9f75f25..775d36c 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3868,6 +3868,7 @@
 static void __init
 rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
 {
+	static struct lock_class_key rcu_exp_sched_rdp_class;
 	unsigned long flags;
 	struct rcu_data *rdp = per_cpu_ptr(rsp->rda, cpu);
 	struct rcu_node *rnp = rcu_get_root(rsp);
@@ -3883,6 +3884,10 @@
 	mutex_init(&rdp->exp_funnel_mutex);
 	rcu_boot_init_nocb_percpu_data(rdp);
 	raw_spin_unlock_irqrestore(&rnp->lock, flags);
+	if (rsp == &rcu_sched_state)
+		lockdep_set_class_and_name(&rdp->exp_funnel_mutex,
+					   &rcu_exp_sched_rdp_class,
+					   "rcu_data_exp_sched");
 }
 
 /*
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3595403..10a8faa 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -621,18 +621,21 @@
 	int i, cpu = smp_processor_id();
 	struct sched_domain *sd;
 
-	if (!idle_cpu(cpu))
+	if (!idle_cpu(cpu) && is_housekeeping_cpu(cpu))
 		return cpu;
 
 	rcu_read_lock();
 	for_each_domain(cpu, sd) {
 		for_each_cpu(i, sched_domain_span(sd)) {
-			if (!idle_cpu(i)) {
+			if (!idle_cpu(i) && is_housekeeping_cpu(cpu)) {
 				cpu = i;
 				goto unlock;
 			}
 		}
 	}
+
+	if (!is_housekeeping_cpu(cpu))
+		cpu = housekeeping_any_cpu();
 unlock:
 	rcu_read_unlock();
 	return cpu;
@@ -2514,11 +2517,11 @@
 	 * If a task dies, then it sets TASK_DEAD in tsk->state and calls
 	 * schedule one last time. The schedule call will never return, and
 	 * the scheduled task must drop that reference.
-	 * The test for TASK_DEAD must occur while the runqueue locks are
-	 * still held, otherwise prev could be scheduled on another cpu, die
-	 * there before we look at prev->state, and then the reference would
-	 * be dropped twice.
-	 *		Manfred Spraul <manfred@colorfullife.com>
+	 *
+	 * We must observe prev->state before clearing prev->on_cpu (in
+	 * finish_lock_switch), otherwise a concurrent wakeup can get prev
+	 * running on another CPU and we could rave with its RUNNING -> DEAD
+	 * transition, resulting in a double drop.
 	 */
 	prev_state = prev->state;
 	vtime_task_switch(prev);
@@ -2666,13 +2669,20 @@
 
 /*
  * Check if only the current task is running on the cpu.
+ *
+ * Caution: this function does not check that the caller has disabled
+ * preemption, thus the result might have a time-of-check-to-time-of-use
+ * race.  The caller is responsible to use it correctly, for example:
+ *
+ * - from a non-preemptable section (of course)
+ *
+ * - from a thread that is bound to a single CPU
+ *
+ * - in a loop with very short iterations (e.g. a polling loop)
  */
 bool single_task_running(void)
 {
-	if (cpu_rq(smp_processor_id())->nr_running == 1)
-		return true;
-	else
-		return false;
+	return raw_rq()->nr_running == 1;
 }
 EXPORT_SYMBOL(single_task_running);
 
@@ -4924,7 +4934,15 @@
 	idle->state = TASK_RUNNING;
 	idle->se.exec_start = sched_clock();
 
-	do_set_cpus_allowed(idle, cpumask_of(cpu));
+#ifdef CONFIG_SMP
+	/*
+	 * Its possible that init_idle() gets called multiple times on a task,
+	 * in that case do_set_cpus_allowed() will not do the right thing.
+	 *
+	 * And since this is boot we can forgo the serialization.
+	 */
+	set_cpus_allowed_common(idle, cpumask_of(cpu));
+#endif
 	/*
 	 * We're having a chicken and egg problem, even though we are
 	 * holding rq->lock, the cpu isn't yet set to this cpu so the
@@ -4941,7 +4959,7 @@
 
 	rq->curr = rq->idle = idle;
 	idle->on_rq = TASK_ON_RQ_QUEUED;
-#if defined(CONFIG_SMP)
+#ifdef CONFIG_SMP
 	idle->on_cpu = 1;
 #endif
 	raw_spin_unlock(&rq->lock);
@@ -4956,7 +4974,7 @@
 	idle->sched_class = &idle_sched_class;
 	ftrace_graph_init_idle_task(idle, cpu);
 	vtime_init_idle(idle, cpu);
-#if defined(CONFIG_SMP)
+#ifdef CONFIG_SMP
 	sprintf(idle->comm, "%s/%d", INIT_TASK_COMM, cpu);
 #endif
 }
@@ -5178,24 +5196,47 @@
 			break;
 
 		/*
-		 * Ensure rq->lock covers the entire task selection
-		 * until the migration.
+		 * pick_next_task assumes pinned rq->lock.
 		 */
 		lockdep_pin_lock(&rq->lock);
 		next = pick_next_task(rq, &fake_task);
 		BUG_ON(!next);
 		next->sched_class->put_prev_task(rq, next);
 
+		/*
+		 * Rules for changing task_struct::cpus_allowed are holding
+		 * both pi_lock and rq->lock, such that holding either
+		 * stabilizes the mask.
+		 *
+		 * Drop rq->lock is not quite as disastrous as it usually is
+		 * because !cpu_active at this point, which means load-balance
+		 * will not interfere. Also, stop-machine.
+		 */
+		lockdep_unpin_lock(&rq->lock);
+		raw_spin_unlock(&rq->lock);
+		raw_spin_lock(&next->pi_lock);
+		raw_spin_lock(&rq->lock);
+
+		/*
+		 * Since we're inside stop-machine, _nothing_ should have
+		 * changed the task, WARN if weird stuff happened, because in
+		 * that case the above rq->lock drop is a fail too.
+		 */
+		if (WARN_ON(task_rq(next) != rq || !task_on_rq_queued(next))) {
+			raw_spin_unlock(&next->pi_lock);
+			continue;
+		}
+
 		/* Find suitable destination for @next, with force if needed. */
 		dest_cpu = select_fallback_rq(dead_rq->cpu, next);
 
-		lockdep_unpin_lock(&rq->lock);
 		rq = __migrate_task(rq, next, dest_cpu);
 		if (rq != dead_rq) {
 			raw_spin_unlock(&rq->lock);
 			rq = dead_rq;
 			raw_spin_lock(&rq->lock);
 		}
+		raw_spin_unlock(&next->pi_lock);
 	}
 
 	rq->stop = stop;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 68cda11..6d2a119 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1078,9 +1078,10 @@
 	 * After ->on_cpu is cleared, the task can be moved to a different CPU.
 	 * We must ensure this doesn't happen until the switch is completely
 	 * finished.
+	 *
+	 * Pairs with the control dependency and rmb in try_to_wake_up().
 	 */
-	smp_wmb();
-	prev->on_cpu = 0;
+	smp_store_release(&prev->on_cpu, 0);
 #endif
 #ifdef CONFIG_DEBUG_SPINLOCK
 	/* this is a valid case when another task releases the spinlock */
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index 272d932..052e026 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -106,10 +106,9 @@
 }
 EXPORT_SYMBOL_GPL(__wake_up_locked);
 
-void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, int nr,
-			  void *key)
+void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key)
 {
-	__wake_up_common(q, mode, nr, 0, key);
+	__wake_up_common(q, mode, 1, 0, key);
 }
 EXPORT_SYMBOL_GPL(__wake_up_locked_key);
 
@@ -284,7 +283,7 @@
 	if (!list_empty(&wait->task_list))
 		list_del_init(&wait->task_list);
 	else if (waitqueue_active(q))
-		__wake_up_locked_key(q, mode, 1, key);
+		__wake_up_locked_key(q, mode, key);
 	spin_unlock_irqrestore(&q->lock, flags);
 }
 EXPORT_SYMBOL(abort_exclusive_wait);
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 50eb107..a9b76a4 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -97,20 +97,6 @@
 static int __clockevents_switch_state(struct clock_event_device *dev,
 				      enum clock_event_state state)
 {
-	/* Transition with legacy set_mode() callback */
-	if (dev->set_mode) {
-		/* Legacy callback doesn't support new modes */
-		if (state > CLOCK_EVT_STATE_ONESHOT)
-			return -ENOSYS;
-		/*
-		 * 'clock_event_state' and 'clock_event_mode' have 1-to-1
-		 * mapping until *_ONESHOT, and so a simple cast will work.
-		 */
-		dev->set_mode((enum clock_event_mode)state, dev);
-		dev->mode = (enum clock_event_mode)state;
-		return 0;
-	}
-
 	if (dev->features & CLOCK_EVT_FEAT_DUMMY)
 		return 0;
 
@@ -204,12 +190,8 @@
 {
 	int ret = 0;
 
-	if (dev->set_mode) {
-		dev->set_mode(CLOCK_EVT_MODE_RESUME, dev);
-		dev->mode = CLOCK_EVT_MODE_RESUME;
-	} else if (dev->tick_resume) {
+	if (dev->tick_resume)
 		ret = dev->tick_resume(dev);
-	}
 
 	return ret;
 }
@@ -460,26 +442,6 @@
 }
 EXPORT_SYMBOL_GPL(clockevents_unbind_device);
 
-/* Sanity check of state transition callbacks */
-static int clockevents_sanity_check(struct clock_event_device *dev)
-{
-	/* Legacy set_mode() callback */
-	if (dev->set_mode) {
-		/* We shouldn't be supporting new modes now */
-		WARN_ON(dev->set_state_periodic || dev->set_state_oneshot ||
-			dev->set_state_shutdown || dev->tick_resume ||
-			dev->set_state_oneshot_stopped);
-
-		BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED);
-		return 0;
-	}
-
-	if (dev->features & CLOCK_EVT_FEAT_DUMMY)
-		return 0;
-
-	return 0;
-}
-
 /**
  * clockevents_register_device - register a clock event device
  * @dev:	device to register
@@ -488,8 +450,6 @@
 {
 	unsigned long flags;
 
-	BUG_ON(clockevents_sanity_check(dev));
-
 	/* Initialize state to DETACHED */
 	clockevent_set_state(dev, CLOCK_EVT_STATE_DETACHED);
 
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 841b72f..3a38775 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -217,7 +217,7 @@
 			continue;
 
 		/* Check the deviation from the watchdog clocksource. */
-		if ((abs(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD)) {
+		if (abs64(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD) {
 			pr_warn("timekeeping watchdog: Marking clocksource '%s' as unstable because the skew is too large:\n",
 				cs->name);
 			pr_warn("                      '%s' wd_now: %llx wd_last: %llx mask: %llx\n",
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index d11c55b..4fcd99e 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -398,7 +398,6 @@
 		 * the set mode function!
 		 */
 		clockevent_set_state(dev, CLOCK_EVT_STATE_DETACHED);
-		dev->mode = CLOCK_EVT_MODE_UNUSED;
 		clockevents_exchange_device(dev, NULL);
 		dev->event_handler = clockevents_handle_noop;
 		td->evtdev = NULL;
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 3319e16..7c7ec451 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -290,16 +290,17 @@
 __setup("nohz_full=", tick_nohz_full_setup);
 
 static int tick_nohz_cpu_down_callback(struct notifier_block *nfb,
-						 unsigned long action,
-						 void *hcpu)
+				       unsigned long action,
+				       void *hcpu)
 {
 	unsigned int cpu = (unsigned long)hcpu;
 
 	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_DOWN_PREPARE:
 		/*
-		 * If we handle the timekeeping duty for full dynticks CPUs,
-		 * we can't safely shutdown that CPU.
+		 * The boot CPU handles housekeeping duty (unbound timers,
+		 * workqueues, timekeeping, ...) on behalf of full dynticks
+		 * CPUs. It must remain online when nohz full is enabled.
 		 */
 		if (tick_nohz_full_running && tick_do_timer_cpu == cpu)
 			return NOTIFY_BAD;
@@ -370,6 +371,12 @@
 	cpu_notifier(tick_nohz_cpu_down_callback, 0);
 	pr_info("NO_HZ: Full dynticks CPUs: %*pbl.\n",
 		cpumask_pr_args(tick_nohz_full_mask));
+
+	/*
+	 * We need at least one CPU to handle housekeeping work such
+	 * as timekeeping, unbound timers, workqueues, ...
+	 */
+	WARN_ON_ONCE(cpumask_empty(housekeeping_mask));
 }
 #endif
 
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f6ee2e6..3739ac6 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1614,7 +1614,7 @@
 	negative = (tick_error < 0);
 
 	/* Sort out the magnitude of the correction */
-	tick_error = abs(tick_error);
+	tick_error = abs64(tick_error);
 	for (adj = 0; tick_error > interval; adj++)
 		tick_error >>= 1;
 
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index 129c960..f75e35b 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -225,7 +225,7 @@
 		   (unsigned long long) dev->min_delta_ns);
 	SEQ_printf(m, " mult:           %u\n", dev->mult);
 	SEQ_printf(m, " shift:          %u\n", dev->shift);
-	SEQ_printf(m, " mode:           %d\n", dev->mode);
+	SEQ_printf(m, " mode:           %d\n", clockevent_get_state(dev));
 	SEQ_printf(m, " next_event:     %Ld nsecs\n",
 		   (unsigned long long) ktime_to_ns(dev->next_event));
 
@@ -233,40 +233,34 @@
 	print_name_offset(m, dev->set_next_event);
 	SEQ_printf(m, "\n");
 
-	if (dev->set_mode) {
-		SEQ_printf(m, " set_mode:       ");
-		print_name_offset(m, dev->set_mode);
+	if (dev->set_state_shutdown) {
+		SEQ_printf(m, " shutdown: ");
+		print_name_offset(m, dev->set_state_shutdown);
 		SEQ_printf(m, "\n");
-	} else {
-		if (dev->set_state_shutdown) {
-			SEQ_printf(m, " shutdown: ");
-			print_name_offset(m, dev->set_state_shutdown);
-			SEQ_printf(m, "\n");
-		}
+	}
 
-		if (dev->set_state_periodic) {
-			SEQ_printf(m, " periodic: ");
-			print_name_offset(m, dev->set_state_periodic);
-			SEQ_printf(m, "\n");
-		}
+	if (dev->set_state_periodic) {
+		SEQ_printf(m, " periodic: ");
+		print_name_offset(m, dev->set_state_periodic);
+		SEQ_printf(m, "\n");
+	}
 
-		if (dev->set_state_oneshot) {
-			SEQ_printf(m, " oneshot:  ");
-			print_name_offset(m, dev->set_state_oneshot);
-			SEQ_printf(m, "\n");
-		}
+	if (dev->set_state_oneshot) {
+		SEQ_printf(m, " oneshot:  ");
+		print_name_offset(m, dev->set_state_oneshot);
+		SEQ_printf(m, "\n");
+	}
 
-		if (dev->set_state_oneshot_stopped) {
-			SEQ_printf(m, " oneshot stopped: ");
-			print_name_offset(m, dev->set_state_oneshot_stopped);
-			SEQ_printf(m, "\n");
-		}
+	if (dev->set_state_oneshot_stopped) {
+		SEQ_printf(m, " oneshot stopped: ");
+		print_name_offset(m, dev->set_state_oneshot_stopped);
+		SEQ_printf(m, "\n");
+	}
 
-		if (dev->tick_resume) {
-			SEQ_printf(m, " resume:   ");
-			print_name_offset(m, dev->tick_resume);
-			SEQ_printf(m, "\n");
-		}
+	if (dev->tick_resume) {
+		SEQ_printf(m, " resume:   ");
+		print_name_offset(m, dev->tick_resume);
+		SEQ_printf(m, "\n");
 	}
 
 	SEQ_printf(m, " event_handler:  ");
diff --git a/lib/iommu-common.c b/lib/iommu-common.c
index ff19f66..b1c93e9 100644
--- a/lib/iommu-common.c
+++ b/lib/iommu-common.c
@@ -21,8 +21,7 @@
 
 static inline bool need_flush(struct iommu_map_table *iommu)
 {
-	return (iommu->lazy_flush != NULL &&
-		(iommu->flags & IOMMU_NEED_FLUSH) != 0);
+	return ((iommu->flags & IOMMU_NEED_FLUSH) != 0);
 }
 
 static inline void set_flush(struct iommu_map_table *iommu)
@@ -211,7 +210,8 @@
 			goto bail;
 		}
 	}
-	if (n < pool->hint || need_flush(iommu)) {
+	if (iommu->lazy_flush &&
+	    (n < pool->hint || need_flush(iommu))) {
 		clear_flush(iommu);
 		iommu->lazy_flush(iommu);
 	}
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index cc0c697..a54ff89 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -187,10 +187,7 @@
 	head = rht_dereference_bucket(new_tbl->buckets[new_hash],
 				      new_tbl, new_hash);
 
-	if (rht_is_a_nulls(head))
-		INIT_RHT_NULLS_HEAD(entry->next, ht, new_hash);
-	else
-		RCU_INIT_POINTER(entry->next, head);
+	RCU_INIT_POINTER(entry->next, head);
 
 	rcu_assign_pointer(new_tbl->buckets[new_hash], entry);
 	spin_unlock(new_bucket_lock);
diff --git a/lib/string.c b/lib/string.c
index 13d1e84..84775ba 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -27,6 +27,10 @@
 #include <linux/bug.h>
 #include <linux/errno.h>
 
+#include <asm/byteorder.h>
+#include <asm/word-at-a-time.h>
+#include <asm/page.h>
+
 #ifndef __HAVE_ARCH_STRNCASECMP
 /**
  * strncasecmp - Case insensitive, length-limited string comparison
@@ -146,6 +150,91 @@
 EXPORT_SYMBOL(strlcpy);
 #endif
 
+#ifndef __HAVE_ARCH_STRSCPY
+/**
+ * strscpy - Copy a C-string into a sized buffer
+ * @dest: Where to copy the string to
+ * @src: Where to copy the string from
+ * @count: Size of destination buffer
+ *
+ * Copy the string, or as much of it as fits, into the dest buffer.
+ * The routine returns the number of characters copied (not including
+ * the trailing NUL) or -E2BIG if the destination buffer wasn't big enough.
+ * The behavior is undefined if the string buffers overlap.
+ * The destination buffer is always NUL terminated, unless it's zero-sized.
+ *
+ * Preferred to strlcpy() since the API doesn't require reading memory
+ * from the src string beyond the specified "count" bytes, and since
+ * the return value is easier to error-check than strlcpy()'s.
+ * In addition, the implementation is robust to the string changing out
+ * from underneath it, unlike the current strlcpy() implementation.
+ *
+ * Preferred to strncpy() since it always returns a valid string, and
+ * doesn't unnecessarily force the tail of the destination buffer to be
+ * zeroed.  If the zeroing is desired, it's likely cleaner to use strscpy()
+ * with an overflow test, then just memset() the tail of the dest buffer.
+ */
+ssize_t strscpy(char *dest, const char *src, size_t count)
+{
+	const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
+	size_t max = count;
+	long res = 0;
+
+	if (count == 0)
+		return -E2BIG;
+
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	/*
+	 * If src is unaligned, don't cross a page boundary,
+	 * since we don't know if the next page is mapped.
+	 */
+	if ((long)src & (sizeof(long) - 1)) {
+		size_t limit = PAGE_SIZE - ((long)src & (PAGE_SIZE - 1));
+		if (limit < max)
+			max = limit;
+	}
+#else
+	/* If src or dest is unaligned, don't do word-at-a-time. */
+	if (((long) dest | (long) src) & (sizeof(long) - 1))
+		max = 0;
+#endif
+
+	while (max >= sizeof(unsigned long)) {
+		unsigned long c, data;
+
+		c = *(unsigned long *)(src+res);
+		if (has_zero(c, &data, &constants)) {
+			data = prep_zero_mask(c, data, &constants);
+			data = create_zero_mask(data);
+			*(unsigned long *)(dest+res) = c & zero_bytemask(data);
+			return res + find_zero(data);
+		}
+		*(unsigned long *)(dest+res) = c;
+		res += sizeof(unsigned long);
+		count -= sizeof(unsigned long);
+		max -= sizeof(unsigned long);
+	}
+
+	while (count) {
+		char c;
+
+		c = src[res];
+		dest[res] = c;
+		if (!c)
+			return res;
+		res++;
+		count--;
+	}
+
+	/* Hit buffer length without finding a NUL; force NUL-termination. */
+	if (res)
+		dest[res-1] = '\0';
+
+	return -E2BIG;
+}
+EXPORT_SYMBOL(strscpy);
+#endif
+
 #ifndef __HAVE_ARCH_STRCAT
 /**
  * strcat - Append one %NUL-terminated string to another
diff --git a/lib/string_helpers.c b/lib/string_helpers.c
index 54036ce..5939f63 100644
--- a/lib/string_helpers.c
+++ b/lib/string_helpers.c
@@ -59,7 +59,11 @@
 	}
 
 	exp = divisor[units] / (u32)blk_size;
-	if (size >= exp) {
+	/*
+	 * size must be strictly greater than exp here to ensure that remainder
+	 * is greater than divisor[units] coming out of the if below.
+	 */
+	if (size > exp) {
 		remainder = do_div(size, divisor[units]);
 		remainder *= blk_size;
 		i++;
diff --git a/mm/dmapool.c b/mm/dmapool.c
index 71a8998..312a716 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -394,7 +394,7 @@
 	list_for_each_entry(page, &pool->page_list, page_list) {
 		if (dma < page->dma)
 			continue;
-		if (dma < (page->dma + pool->allocation))
+		if ((dma - page->dma) < pool->allocation)
 			return page;
 	}
 	return NULL;
diff --git a/mm/filemap.c b/mm/filemap.c
index 72940fb..1cc5467 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2473,6 +2473,21 @@
 						iov_iter_count(i));
 
 again:
+		/*
+		 * Bring in the user page that we will copy from _first_.
+		 * Otherwise there's a nasty deadlock on copying from the
+		 * same page as we're writing to, without it being marked
+		 * up-to-date.
+		 *
+		 * Not only is this an optimisation, but it is also required
+		 * to check that the address is actually valid, when atomic
+		 * usercopies are used, below.
+		 */
+		if (unlikely(iov_iter_fault_in_readable(i, bytes))) {
+			status = -EFAULT;
+			break;
+		}
+
 		status = a_ops->write_begin(file, mapping, pos, bytes, flags,
 						&page, &fsdata);
 		if (unlikely(status < 0))
@@ -2480,17 +2495,8 @@
 
 		if (mapping_writably_mapped(mapping))
 			flush_dcache_page(page);
-		/*
-		 * 'page' is now locked.  If we are trying to copy from a
-		 * mapping of 'page' in userspace, the copy might fault and
-		 * would need PageUptodate() to complete.  But, page can not be
-		 * made Uptodate without acquiring the page lock, which we hold.
-		 * Deadlock.  Avoid with pagefault_disable().  Fix up below with
-		 * iov_iter_fault_in_readable().
-		 */
-		pagefault_disable();
+
 		copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);
-		pagefault_enable();
 		flush_dcache_page(page);
 
 		status = a_ops->write_end(file, mapping, pos, bytes, copied,
@@ -2513,14 +2519,6 @@
 			 */
 			bytes = min_t(unsigned long, PAGE_CACHE_SIZE - offset,
 						iov_iter_single_seg_count(i));
-			/*
-			 * This is the fallback to recover if the copy from
-			 * userspace above faults.
-			 */
-			if (unlikely(iov_iter_fault_in_readable(i, bytes))) {
-				status = -EFAULT;
-				break;
-			}
 			goto again;
 		}
 		pos += copied;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 999fb0a..9cc7734 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3202,6 +3202,14 @@
 			continue;
 
 		/*
+		 * Shared VMAs have their own reserves and do not affect
+		 * MAP_PRIVATE accounting but it is possible that a shared
+		 * VMA is using the same page so check and skip such VMAs.
+		 */
+		if (iter_vma->vm_flags & VM_MAYSHARE)
+			continue;
+
+		/*
 		 * Unmap the page from other VMAs without their own reserves.
 		 * They get marked to be SIGKILLed if they fault in these
 		 * areas. This is because a future no-page fault on this VMA
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c
index 7b28e9cd..8da2114 100644
--- a/mm/kasan/kasan.c
+++ b/mm/kasan/kasan.c
@@ -135,12 +135,11 @@
 
 	if (unlikely(*shadow_addr)) {
 		u16 shadow_first_bytes = *(u16 *)shadow_addr;
-		s8 last_byte = (addr + 15) & KASAN_SHADOW_MASK;
 
 		if (unlikely(shadow_first_bytes))
 			return true;
 
-		if (likely(!last_byte))
+		if (likely(IS_ALIGNED(addr, 8)))
 			return false;
 
 		return memory_is_poisoned_1(addr + 15);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6ddaeba..1fedbde 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -644,12 +644,14 @@
 }
 
 /*
+ * Return page count for single (non recursive) @memcg.
+ *
  * Implementation Note: reading percpu statistics for memcg.
  *
  * Both of vmstat[] and percpu_counter has threshold and do periodic
  * synchronization to implement "quick" read. There are trade-off between
  * reading cost and precision of value. Then, we may have a chance to implement
- * a periodic synchronizion of counter in memcg's counter.
+ * a periodic synchronization of counter in memcg's counter.
  *
  * But this _read() function is used for user interface now. The user accounts
  * memory usage by memory cgroup and he _always_ requires exact value because
@@ -659,17 +661,24 @@
  *
  * If there are kernel internal actions which can make use of some not-exact
  * value, and reading all cpu value can be performance bottleneck in some
- * common workload, threashold and synchonization as vmstat[] should be
+ * common workload, threshold and synchronization as vmstat[] should be
  * implemented.
  */
-static long mem_cgroup_read_stat(struct mem_cgroup *memcg,
-				 enum mem_cgroup_stat_index idx)
+static unsigned long
+mem_cgroup_read_stat(struct mem_cgroup *memcg, enum mem_cgroup_stat_index idx)
 {
 	long val = 0;
 	int cpu;
 
+	/* Per-cpu values can be negative, use a signed accumulator */
 	for_each_possible_cpu(cpu)
 		val += per_cpu(memcg->stat->count[idx], cpu);
+	/*
+	 * Summing races with updates, so val may be negative.  Avoid exposing
+	 * transient negative values.
+	 */
+	if (val < 0)
+		val = 0;
 	return val;
 }
 
@@ -1254,7 +1263,7 @@
 		for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
 			if (i == MEM_CGROUP_STAT_SWAP && !do_swap_account)
 				continue;
-			pr_cont(" %s:%ldKB", mem_cgroup_stat_names[i],
+			pr_cont(" %s:%luKB", mem_cgroup_stat_names[i],
 				K(mem_cgroup_read_stat(iter, i)));
 		}
 
@@ -2819,14 +2828,11 @@
 			       enum mem_cgroup_stat_index idx)
 {
 	struct mem_cgroup *iter;
-	long val = 0;
+	unsigned long val = 0;
 
-	/* Per-cpu values can be negative, use a signed accumulator */
 	for_each_mem_cgroup_tree(iter, memcg)
 		val += mem_cgroup_read_stat(iter, idx);
 
-	if (val < 0) /* race ? */
-		val = 0;
 	return val;
 }
 
@@ -3169,7 +3175,7 @@
 	for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
 		if (i == MEM_CGROUP_STAT_SWAP && !do_swap_account)
 			continue;
-		seq_printf(m, "%s %ld\n", mem_cgroup_stat_names[i],
+		seq_printf(m, "%s %lu\n", mem_cgroup_stat_names[i],
 			   mem_cgroup_read_stat(memcg, i) * PAGE_SIZE);
 	}
 
@@ -3194,13 +3200,13 @@
 			   (u64)memsw * PAGE_SIZE);
 
 	for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
-		long long val = 0;
+		unsigned long long val = 0;
 
 		if (i == MEM_CGROUP_STAT_SWAP && !do_swap_account)
 			continue;
 		for_each_mem_cgroup_tree(mi, memcg)
 			val += mem_cgroup_read_stat(mi, i) * PAGE_SIZE;
-		seq_printf(m, "total_%s %lld\n", mem_cgroup_stat_names[i], val);
+		seq_printf(m, "total_%s %llu\n", mem_cgroup_stat_names[i], val);
 	}
 
 	for (i = 0; i < MEM_CGROUP_EVENTS_NSTATS; i++) {
@@ -4179,7 +4185,6 @@
 	if (memcg_wb_domain_init(memcg, GFP_KERNEL))
 		goto out_free_stat;
 
-	spin_lock_init(&memcg->pcp_counter_lock);
 	return memcg;
 
 out_free_stat:
diff --git a/mm/migrate.c b/mm/migrate.c
index c3cb566..842ecd7 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -740,6 +740,15 @@
 	if (PageSwapBacked(page))
 		SetPageSwapBacked(newpage);
 
+	/*
+	 * Indirectly called below, migrate_page_copy() copies PG_dirty and thus
+	 * needs newpage's memcg set to transfer memcg dirty page accounting.
+	 * So perform memcg migration in two steps:
+	 * 1. set newpage->mem_cgroup (here)
+	 * 2. clear page->mem_cgroup (below)
+	 */
+	set_page_memcg(newpage, page_memcg(page));
+
 	mapping = page_mapping(page);
 	if (!mapping)
 		rc = migrate_page(mapping, newpage, page, mode);
@@ -756,9 +765,10 @@
 		rc = fallback_migrate_page(mapping, newpage, page, mode);
 
 	if (rc != MIGRATEPAGE_SUCCESS) {
+		set_page_memcg(newpage, NULL);
 		newpage->mapping = NULL;
 	} else {
-		mem_cgroup_migrate(page, newpage, false);
+		set_page_memcg(page, NULL);
 		if (page_was_mapped)
 			remove_migration_ptes(page, newpage);
 		page->mapping = NULL;
@@ -1075,7 +1085,7 @@
 	if (rc != MIGRATEPAGE_SUCCESS && put_new_page)
 		put_new_page(new_hpage, private);
 	else
-		put_page(new_hpage);
+		putback_active_hugepage(new_hpage);
 
 	if (result) {
 		if (rc)
diff --git a/mm/mmap.c b/mm/mmap.c
index 971dd2c..79bcc9f 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -612,8 +612,6 @@
 void __vma_link_rb(struct mm_struct *mm, struct vm_area_struct *vma,
 		struct rb_node **rb_link, struct rb_node *rb_parent)
 {
-	WARN_ONCE(vma->vm_file && !vma->vm_ops, "missing vma->vm_ops");
-
 	/* Update tracking information for the gap following the new vma. */
 	if (vma->vm_next)
 		vma_gap_update(vma->vm_next);
@@ -1492,13 +1490,14 @@
 int vma_wants_writenotify(struct vm_area_struct *vma)
 {
 	vm_flags_t vm_flags = vma->vm_flags;
+	const struct vm_operations_struct *vm_ops = vma->vm_ops;
 
 	/* If it was private or non-writable, the write bit is already clear */
 	if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED)))
 		return 0;
 
 	/* The backer wishes to know when pages are first written to? */
-	if (vma->vm_ops && vma->vm_ops->page_mkwrite)
+	if (vm_ops && (vm_ops->page_mkwrite || vm_ops->pfn_mkwrite))
 		return 1;
 
 	/* The open routine did something to the protections that pgprot_modify
@@ -1638,12 +1637,6 @@
 		 */
 		WARN_ON_ONCE(addr != vma->vm_start);
 
-		/* All file mapping must have ->vm_ops set */
-		if (!vma->vm_ops) {
-			static const struct vm_operations_struct dummy_ops = {};
-			vma->vm_ops = &dummy_ops;
-		}
-
 		addr = vma->vm_start;
 		vm_flags = vma->vm_flags;
 	} else if (vm_flags & VM_SHARED) {
diff --git a/mm/slab.c b/mm/slab.c
index c77ebe6..4fcc5dd 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2190,9 +2190,16 @@
 			size += BYTES_PER_WORD;
 	}
 #if FORCED_DEBUG && defined(CONFIG_DEBUG_PAGEALLOC)
-	if (size >= kmalloc_size(INDEX_NODE + 1)
-	    && cachep->object_size > cache_line_size()
-	    && ALIGN(size, cachep->align) < PAGE_SIZE) {
+	/*
+	 * To activate debug pagealloc, off-slab management is necessary
+	 * requirement. In early phase of initialization, small sized slab
+	 * doesn't get initialized so it would not be possible. So, we need
+	 * to check size >= 256. It guarantees that all necessary small
+	 * sized slab is initialized in current slab initialization sequence.
+	 */
+	if (!slab_early_init && size >= kmalloc_size(INDEX_NODE) &&
+		size >= 256 && cachep->object_size > cache_line_size() &&
+		ALIGN(size, cachep->align) < PAGE_SIZE) {
 		cachep->obj_offset += PAGE_SIZE - ALIGN(size, cachep->align);
 		size = PAGE_SIZE;
 	}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 2d978b2..7f63a93 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -175,7 +175,7 @@
 	if (!memcg)
 		return true;
 #ifdef CONFIG_CGROUP_WRITEBACK
-	if (memcg->css.cgroup)
+	if (cgroup_on_dfl(memcg->css.cgroup))
 		return true;
 #endif
 	return false;
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 17e55df..e07f551 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -317,6 +317,9 @@
 
 static int clip_encap(struct atm_vcc *vcc, int mode)
 {
+	if (!CLIP_VCC(vcc))
+		return -EBADFD;
+
 	CLIP_VCC(vcc)->encap = mode;
 	return 0;
 }
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index ad82324..0510a57 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2311,12 +2311,6 @@
 	if (!conn)
 		return 1;
 
-	chan = conn->smp;
-	if (!chan) {
-		BT_ERR("SMP security requested but not available");
-		return 1;
-	}
-
 	if (!hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED))
 		return 1;
 
@@ -2330,6 +2324,12 @@
 		if (smp_ltk_encrypt(conn, hcon->pending_sec_level))
 			return 0;
 
+	chan = conn->smp;
+	if (!chan) {
+		BT_ERR("SMP security requested but not available");
+		return 1;
+	}
+
 	l2cap_chan_lock(chan);
 
 	/* If SMP is already in progress ignore this request */
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 66efdc2..480b3de 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1006,7 +1006,7 @@
 
 	ih = igmpv3_report_hdr(skb);
 	num = ntohs(ih->ngrec);
-	len = sizeof(*ih);
+	len = skb_transport_offset(skb) + sizeof(*ih);
 
 	for (i = 0; i < num; i++) {
 		len += sizeof(*grec);
@@ -1067,7 +1067,7 @@
 
 	icmp6h = icmp6_hdr(skb);
 	num = ntohs(icmp6h->icmp6_dataun.un_data16[1]);
-	len = sizeof(*icmp6h);
+	len = skb_transport_offset(skb) + sizeof(*icmp6h);
 
 	for (i = 0; i < num; i++) {
 		__be16 *nsrcs, _nsrcs;
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 525f454..b9b0e3b 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1353,11 +1353,12 @@
 	dout("prepare_write_keepalive %p\n", con);
 	con_out_kvec_reset(con);
 	if (con->peer_features & CEPH_FEATURE_MSGR_KEEPALIVE2) {
-		struct timespec ts = CURRENT_TIME;
-		struct ceph_timespec ceph_ts;
-		ceph_encode_timespec(&ceph_ts, &ts);
+		struct timespec now = CURRENT_TIME;
+
 		con_out_kvec_add(con, sizeof(tag_keepalive2), &tag_keepalive2);
-		con_out_kvec_add(con, sizeof(ceph_ts), &ceph_ts);
+		ceph_encode_timespec(&con->out_temp_keepalive2, &now);
+		con_out_kvec_add(con, sizeof(con->out_temp_keepalive2),
+				 &con->out_temp_keepalive2);
 	} else {
 		con_out_kvec_add(con, sizeof(tag_keepalive), &tag_keepalive);
 	}
diff --git a/net/core/dev.c b/net/core/dev.c
index 877c848..6bb6470 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4713,6 +4713,8 @@
 
 	while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
 		msleep(1);
+	while (test_and_set_bit(NAPI_STATE_NPSVC, &n->state))
+		msleep(1);
 
 	hrtimer_cancel(&n->timer);
 
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index bf77e36..365de66 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -631,15 +631,17 @@
 {
 	int idx = 0;
 	struct fib_rule *rule;
+	int err = 0;
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(rule, &ops->rules_list, list) {
 		if (idx < cb->args[1])
 			goto skip;
 
-		if (fib_nl_fill_rule(skb, rule, NETLINK_CB(cb->skb).portid,
-				     cb->nlh->nlmsg_seq, RTM_NEWRULE,
-				     NLM_F_MULTI, ops) < 0)
+		err = fib_nl_fill_rule(skb, rule, NETLINK_CB(cb->skb).portid,
+				       cb->nlh->nlmsg_seq, RTM_NEWRULE,
+				       NLM_F_MULTI, ops);
+		if (err)
 			break;
 skip:
 		idx++;
@@ -648,7 +650,7 @@
 	cb->args[1] = idx;
 	rules_ops_put(ops);
 
-	return skb->len;
+	return err;
 }
 
 static int fib_nl_dumprule(struct sk_buff *skb, struct netlink_callback *cb)
@@ -664,7 +666,9 @@
 		if (ops == NULL)
 			return -EAFNOSUPPORT;
 
-		return dump_rules(skb, cb, ops);
+		dump_rules(skb, cb, ops);
+
+		return skb->len;
 	}
 
 	rcu_read_lock();
diff --git a/net/core/filter.c b/net/core/filter.c
index 13079f0..05a04ea 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -478,9 +478,9 @@
 				bpf_src = BPF_X;
 			} else {
 				insn->dst_reg = BPF_REG_A;
-				insn->src_reg = BPF_REG_X;
 				insn->imm = fp->k;
 				bpf_src = BPF_SRC(fp->code);
+				insn->src_reg = bpf_src == BPF_X ? BPF_REG_X : 0;
 			}
 
 			/* Common case where 'jump_false' is next insn. */
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index b279077..830f8a7 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -31,7 +31,6 @@
 static const char fmt_hex[] = "%#x\n";
 static const char fmt_long_hex[] = "%#lx\n";
 static const char fmt_dec[] = "%d\n";
-static const char fmt_udec[] = "%u\n";
 static const char fmt_ulong[] = "%lu\n";
 static const char fmt_u64[] = "%llu\n";
 
@@ -202,7 +201,7 @@
 	if (netif_running(netdev)) {
 		struct ethtool_cmd cmd;
 		if (!__ethtool_get_settings(netdev, &cmd))
-			ret = sprintf(buf, fmt_udec, ethtool_cmd_speed(&cmd));
+			ret = sprintf(buf, fmt_dec, ethtool_cmd_speed(&cmd));
 	}
 	rtnl_unlock();
 	return ret;
@@ -1481,6 +1480,15 @@
 	return ret == 0 ? dev->of_node == data : ret;
 }
 
+/*
+ * of_find_net_device_by_node - lookup the net device for the device node
+ * @np: OF device node
+ *
+ * Looks up the net_device structure corresponding with the device node.
+ * If successful, returns a pointer to the net_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure. The
+ * refcount must be dropped when done with the net_device.
+ */
 struct net_device *of_find_net_device_by_node(struct device_node *np)
 {
 	struct device *dev;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 6aa3db8..8bdada2 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -142,7 +142,7 @@
  */
 static int poll_one_napi(struct napi_struct *napi, int budget)
 {
-	int work;
+	int work = 0;
 
 	/* net_rx_action's ->poll() invocations and our's are
 	 * synchronized by this test which is only made while
@@ -151,7 +151,12 @@
 	if (!test_bit(NAPI_STATE_SCHED, &napi->state))
 		return budget;
 
-	set_bit(NAPI_STATE_NPSVC, &napi->state);
+	/* If we set this bit but see that it has already been set,
+	 * that indicates that napi has been disabled and we need
+	 * to abort this operation
+	 */
+	if (test_and_set_bit(NAPI_STATE_NPSVC, &napi->state))
+		goto out;
 
 	work = napi->poll(napi, budget);
 	WARN_ONCE(work > budget, "%pF exceeded budget in poll\n", napi->poll);
@@ -159,6 +164,7 @@
 
 	clear_bit(NAPI_STATE_NPSVC, &napi->state);
 
+out:
 	return budget - work;
 }
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a466821..0ec4840 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3047,6 +3047,7 @@
 	u32 portid = NETLINK_CB(cb->skb).portid;
 	u32 seq = cb->nlh->nlmsg_seq;
 	u32 filter_mask = 0;
+	int err;
 
 	if (nlmsg_len(cb->nlh) > sizeof(struct ifinfomsg)) {
 		struct nlattr *extfilt;
@@ -3067,20 +3068,25 @@
 		struct net_device *br_dev = netdev_master_upper_dev_get(dev);
 
 		if (br_dev && br_dev->netdev_ops->ndo_bridge_getlink) {
-			if (idx >= cb->args[0] &&
-			    br_dev->netdev_ops->ndo_bridge_getlink(
-				    skb, portid, seq, dev, filter_mask,
-				    NLM_F_MULTI) < 0)
-				break;
+			if (idx >= cb->args[0]) {
+				err = br_dev->netdev_ops->ndo_bridge_getlink(
+						skb, portid, seq, dev,
+						filter_mask, NLM_F_MULTI);
+				if (err < 0 && err != -EOPNOTSUPP)
+					break;
+			}
 			idx++;
 		}
 
 		if (ops->ndo_bridge_getlink) {
-			if (idx >= cb->args[0] &&
-			    ops->ndo_bridge_getlink(skb, portid, seq, dev,
-						    filter_mask,
-						    NLM_F_MULTI) < 0)
-				break;
+			if (idx >= cb->args[0]) {
+				err = ops->ndo_bridge_getlink(skb, portid,
+							      seq, dev,
+							      filter_mask,
+							      NLM_F_MULTI);
+				if (err < 0 && err != -EOPNOTSUPP)
+					break;
+			}
 			idx++;
 		}
 	}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index dad4dd3..fab4599 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2958,11 +2958,12 @@
  */
 unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len)
 {
+	unsigned char *data = skb->data;
+
 	BUG_ON(len > skb->len);
-	skb->len -= len;
-	BUG_ON(skb->len < skb->data_len);
-	skb_postpull_rcsum(skb, skb->data, len);
-	return skb->data += len;
+	__skb_pull(skb, len);
+	skb_postpull_rcsum(skb, data, len);
+	return skb->data;
 }
 EXPORT_SYMBOL_GPL(skb_pull_rcsum);
 
diff --git a/net/core/sock.c b/net/core/sock.c
index ca2984a..3307c02 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2740,10 +2740,8 @@
 		return;
 	kfree(rsk_prot->slab_name);
 	rsk_prot->slab_name = NULL;
-	if (rsk_prot->slab) {
-		kmem_cache_destroy(rsk_prot->slab);
-		rsk_prot->slab = NULL;
-	}
+	kmem_cache_destroy(rsk_prot->slab);
+	rsk_prot->slab = NULL;
 }
 
 static int req_prot_init(const struct proto *prot)
@@ -2828,10 +2826,8 @@
 	list_del(&prot->node);
 	mutex_unlock(&proto_list_mutex);
 
-	if (prot->slab != NULL) {
-		kmem_cache_destroy(prot->slab);
-		prot->slab = NULL;
-	}
+	kmem_cache_destroy(prot->slab);
+	prot->slab = NULL;
 
 	req_prot_cleanup(prot->rsk_prot);
 
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c
index bd9e718..3de0d03 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -398,12 +398,8 @@
 
 void dccp_ackvec_exit(void)
 {
-	if (dccp_ackvec_slab != NULL) {
-		kmem_cache_destroy(dccp_ackvec_slab);
-		dccp_ackvec_slab = NULL;
-	}
-	if (dccp_ackvec_record_slab != NULL) {
-		kmem_cache_destroy(dccp_ackvec_record_slab);
-		dccp_ackvec_record_slab = NULL;
-	}
+	kmem_cache_destroy(dccp_ackvec_slab);
+	dccp_ackvec_slab = NULL;
+	kmem_cache_destroy(dccp_ackvec_record_slab);
+	dccp_ackvec_record_slab = NULL;
 }
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 8349897..90f77d0 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -95,8 +95,7 @@
 
 static void ccid_kmem_cache_destroy(struct kmem_cache *slab)
 {
-	if (slab != NULL)
-		kmem_cache_destroy(slab);
+	kmem_cache_destroy(slab);
 }
 
 static int __init ccid_activate(struct ccid_operations *ccid_ops)
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 30addee..838f524 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -48,8 +48,6 @@
 			tw->tw_ipv6only = sk->sk_ipv6only;
 		}
 #endif
-		/* Linkage updates. */
-		__inet_twsk_hashdance(tw, sk, &dccp_hashinfo);
 
 		/* Get the TIME_WAIT timeout firing. */
 		if (timeo < rto)
@@ -60,6 +58,8 @@
 			timeo = DCCP_TIMEWAIT_LEN;
 
 		inet_twsk_schedule(tw, timeo);
+		/* Linkage updates. */
+		__inet_twsk_hashdance(tw, sk, &dccp_hashinfo);
 		inet_twsk_put(tw);
 	} else {
 		/* Sorry, if we're out of memory, just CLOSE this
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 76e380076..c59fa5d 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -634,6 +634,10 @@
 			port_index++;
 		}
 		kfree(pd->chip[i].rtable);
+
+		/* Drop our reference to the MDIO bus device */
+		if (pd->chip[i].host_dev)
+			put_device(pd->chip[i].host_dev);
 	}
 	kfree(pd->chip);
 }
@@ -661,16 +665,22 @@
 		return -EPROBE_DEFER;
 
 	ethernet = of_parse_phandle(np, "dsa,ethernet", 0);
-	if (!ethernet)
-		return -EINVAL;
+	if (!ethernet) {
+		ret = -EINVAL;
+		goto out_put_mdio;
+	}
 
 	ethernet_dev = of_find_net_device_by_node(ethernet);
-	if (!ethernet_dev)
-		return -EPROBE_DEFER;
+	if (!ethernet_dev) {
+		ret = -EPROBE_DEFER;
+		goto out_put_mdio;
+	}
 
 	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
-	if (!pd)
-		return -ENOMEM;
+	if (!pd) {
+		ret = -ENOMEM;
+		goto out_put_ethernet;
+	}
 
 	dev->platform_data = pd;
 	pd->of_netdev = ethernet_dev;
@@ -691,7 +701,9 @@
 		cd = &pd->chip[chip_index];
 
 		cd->of_node = child;
-		cd->host_dev = &mdio_bus->dev;
+
+		/* When assigning the host device, increment its refcount */
+		cd->host_dev = get_device(&mdio_bus->dev);
 
 		sw_addr = of_get_property(child, "reg", NULL);
 		if (!sw_addr)
@@ -711,6 +723,12 @@
 				ret = -EPROBE_DEFER;
 				goto out_free_chip;
 			}
+
+			/* Drop the mdio_bus device ref, replacing the host
+			 * device with the mdio_bus_switch device, keeping
+			 * the refcount from of_mdio_find_bus() above.
+			 */
+			put_device(cd->host_dev);
 			cd->host_dev = &mdio_bus_switch->dev;
 		}
 
@@ -744,6 +762,10 @@
 		}
 	}
 
+	/* The individual chips hold their own refcount on the mdio bus,
+	 * so drop ours */
+	put_device(&mdio_bus->dev);
+
 	return 0;
 
 out_free_chip:
@@ -751,6 +773,10 @@
 out_free:
 	kfree(pd);
 	dev->platform_data = NULL;
+out_put_ethernet:
+	put_device(&ethernet_dev->dev);
+out_put_mdio:
+	put_device(&mdio_bus->dev);
 	return ret;
 }
 
@@ -762,6 +788,7 @@
 		return;
 
 	dsa_of_free_platform_data(pd);
+	put_device(&pd->of_netdev->dev);
 	kfree(pd);
 }
 #else
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index cce9738..7d91f46 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -458,12 +458,17 @@
 static int dsa_slave_port_attr_set(struct net_device *dev,
 				   struct switchdev_attr *attr)
 {
-	int ret = 0;
+	struct dsa_slave_priv *p = netdev_priv(dev);
+	struct dsa_switch *ds = p->parent;
+	int ret;
 
 	switch (attr->id) {
 	case SWITCHDEV_ATTR_PORT_STP_STATE:
-		if (attr->trans == SWITCHDEV_TRANS_COMMIT)
-			ret = dsa_slave_stp_update(dev, attr->u.stp_state);
+		if (attr->trans == SWITCHDEV_TRANS_PREPARE)
+			ret = ds->drv->port_stp_update ? 0 : -EOPNOTSUPP;
+		else
+			ret = ds->drv->port_stp_update(ds, p->port,
+						       attr->u.stp_state);
 		break;
 	default:
 		ret = -EOPNOTSUPP;
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index d25efc9..b6ca089 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -78,7 +78,7 @@
 
 	trailer = skb_tail_pointer(skb) - 4;
 	if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
-	    (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
+	    (trailer[2] & 0xef) != 0x00 || trailer[3] != 0x00)
 		goto out_drop;
 
 	source_port = trailer[1] & 7;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 30409b7..f03db8b 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -113,6 +113,8 @@
 #include <net/arp.h>
 #include <net/ax25.h>
 #include <net/netrom.h>
+#include <net/dst_metadata.h>
+#include <net/ip_tunnels.h>
 
 #include <linux/uaccess.h>
 
@@ -296,7 +298,8 @@
 			 struct net_device *dev, __be32 src_ip,
 			 const unsigned char *dest_hw,
 			 const unsigned char *src_hw,
-			 const unsigned char *target_hw, struct sk_buff *oskb)
+			 const unsigned char *target_hw,
+			 struct dst_entry *dst)
 {
 	struct sk_buff *skb;
 
@@ -309,9 +312,7 @@
 	if (!skb)
 		return;
 
-	if (oskb)
-		skb_dst_copy(skb, oskb);
-
+	skb_dst_set(skb, dst);
 	arp_xmit(skb);
 }
 
@@ -333,6 +334,7 @@
 	__be32 target = *(__be32 *)neigh->primary_key;
 	int probes = atomic_read(&neigh->probes);
 	struct in_device *in_dev;
+	struct dst_entry *dst = NULL;
 
 	rcu_read_lock();
 	in_dev = __in_dev_get_rcu(dev);
@@ -381,9 +383,10 @@
 		}
 	}
 
+	if (skb && !(dev->priv_flags & IFF_XMIT_DST_RELEASE))
+		dst = dst_clone(skb_dst(skb));
 	arp_send_dst(ARPOP_REQUEST, ETH_P_ARP, target, dev, saddr,
-		     dst_hw, dev->dev_addr, NULL,
-		     dev->priv_flags & IFF_XMIT_DST_RELEASE ? NULL : skb);
+		     dst_hw, dev->dev_addr, NULL, dst);
 }
 
 static int arp_ignore(struct in_device *in_dev, __be32 sip, __be32 tip)
@@ -649,6 +652,7 @@
 	int addr_type;
 	struct neighbour *n;
 	struct net *net = dev_net(dev);
+	struct dst_entry *reply_dst = NULL;
 	bool is_garp = false;
 
 	/* arp_rcv below verifies the ARP header and verifies the device
@@ -749,13 +753,18 @@
  *  cache.
  */
 
+	if (arp->ar_op == htons(ARPOP_REQUEST) && skb_metadata_dst(skb))
+		reply_dst = (struct dst_entry *)
+			    iptunnel_metadata_reply(skb_metadata_dst(skb),
+						    GFP_ATOMIC);
+
 	/* Special case: IPv4 duplicate address detection packet (RFC2131) */
 	if (sip == 0) {
 		if (arp->ar_op == htons(ARPOP_REQUEST) &&
 		    inet_addr_type_dev_table(net, dev, tip) == RTN_LOCAL &&
 		    !arp_ignore(in_dev, sip, tip))
-			arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha,
-				 dev->dev_addr, sha);
+			arp_send_dst(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip,
+				     sha, dev->dev_addr, sha, reply_dst);
 		goto out;
 	}
 
@@ -774,9 +783,10 @@
 			if (!dont_send) {
 				n = neigh_event_ns(&arp_tbl, sha, &sip, dev);
 				if (n) {
-					arp_send(ARPOP_REPLY, ETH_P_ARP, sip,
-						 dev, tip, sha, dev->dev_addr,
-						 sha);
+					arp_send_dst(ARPOP_REPLY, ETH_P_ARP,
+						     sip, dev, tip, sha,
+						     dev->dev_addr, sha,
+						     reply_dst);
 					neigh_release(n);
 				}
 			}
@@ -794,9 +804,10 @@
 				if (NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED ||
 				    skb->pkt_type == PACKET_HOST ||
 				    NEIGH_VAR(in_dev->arp_parms, PROXY_DELAY) == 0) {
-					arp_send(ARPOP_REPLY, ETH_P_ARP, sip,
-						 dev, tip, sha, dev->dev_addr,
-						 sha);
+					arp_send_dst(ARPOP_REPLY, ETH_P_ARP,
+						     sip, dev, tip, sha,
+						     dev->dev_addr, sha,
+						     reply_dst);
 				} else {
 					pneigh_enqueue(&arp_tbl,
 						       in_dev->arp_parms, skb);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 6fcbd21..690bcbc 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -340,6 +340,7 @@
 	fl4.flowi4_tos = tos;
 	fl4.flowi4_scope = RT_SCOPE_UNIVERSE;
 	fl4.flowi4_tun_key.tun_id = 0;
+	fl4.flowi4_flags = 0;
 
 	no_addr = idev->ifa_list == NULL;
 
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 26d6ffb..6c2af79 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1426,7 +1426,7 @@
 			    nh->nh_flags & RTNH_F_LINKDOWN &&
 			    !(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE))
 				continue;
-			if (!(flp->flowi4_flags & FLOWI_FLAG_VRFSRC)) {
+			if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) {
 				if (flp->flowi4_oif &&
 				    flp->flowi4_oif != nh->nh_oif)
 					continue;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 79fe05b..e5eb8ac 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -427,7 +427,7 @@
 	fl4.flowi4_mark = mark;
 	fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos);
 	fl4.flowi4_proto = IPPROTO_ICMP;
-	fl4.flowi4_oif = vrf_master_ifindex(skb->dev) ? : skb->dev->ifindex;
+	fl4.flowi4_oif = vrf_master_ifindex(skb->dev);
 	security_skb_classify_flow(skb, flowi4_to_flowi(&fl4));
 	rt = ip_route_output_key(net, &fl4);
 	if (IS_ERR(rt))
@@ -461,7 +461,7 @@
 	fl4->flowi4_proto = IPPROTO_ICMP;
 	fl4->fl4_icmp_type = type;
 	fl4->fl4_icmp_code = code;
-	fl4->flowi4_oif = vrf_master_ifindex(skb_in->dev) ? : skb_in->dev->ifindex;
+	fl4->flowi4_oif = vrf_master_ifindex(skb_in->dev);
 
 	security_skb_classify_flow(skb_in, flowi4_to_flowi(fl4));
 	rt = __ip_route_output_key(net, fl4);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 1349571..7bb9c39 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -685,20 +685,20 @@
 	req->num_timeout = 0;
 	req->sk = NULL;
 
+	setup_timer(&req->rsk_timer, reqsk_timer_handler, (unsigned long)req);
+	mod_timer_pinned(&req->rsk_timer, jiffies + timeout);
+	req->rsk_hash = hash;
+
 	/* before letting lookups find us, make sure all req fields
 	 * are committed to memory and refcnt initialized.
 	 */
 	smp_wmb();
 	atomic_set(&req->rsk_refcnt, 2);
-	setup_timer(&req->rsk_timer, reqsk_timer_handler, (unsigned long)req);
-	req->rsk_hash = hash;
 
 	spin_lock(&queue->syn_wait_lock);
 	req->dl_next = lopt->syn_table[hash];
 	lopt->syn_table[hash] = req;
 	spin_unlock(&queue->syn_wait_lock);
-
-	mod_timer_pinned(&req->rsk_timer, jiffies + timeout);
 }
 EXPORT_SYMBOL(reqsk_queue_hash_req);
 
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index ae22cc2..c67f9bd 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -123,13 +123,15 @@
 	/*
 	 * Step 2: Hash TW into tcp ehash chain.
 	 * Notes :
-	 * - tw_refcnt is set to 3 because :
+	 * - tw_refcnt is set to 4 because :
 	 * - We have one reference from bhash chain.
 	 * - We have one reference from ehash chain.
+	 * - We have one reference from timer.
+	 * - One reference for ourself (our caller will release it).
 	 * We can use atomic_set() because prior spin_lock()/spin_unlock()
 	 * committed into memory all tw fields.
 	 */
-	atomic_set(&tw->tw_refcnt, 1 + 1 + 1);
+	atomic_set(&tw->tw_refcnt, 4);
 	inet_twsk_add_node_rcu(tw, &ehead->chain);
 
 	/* Step 3: Remove SK from hash chain */
@@ -217,7 +219,7 @@
 }
 EXPORT_SYMBOL(inet_twsk_deschedule_put);
 
-void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo)
+void __inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo, bool rearm)
 {
 	/* timeout := RTO * 3.5
 	 *
@@ -245,12 +247,14 @@
 	 */
 
 	tw->tw_kill = timeo <= 4*HZ;
-	if (!mod_timer_pinned(&tw->tw_timer, jiffies + timeo)) {
-		atomic_inc(&tw->tw_refcnt);
+	if (!rearm) {
+		BUG_ON(mod_timer_pinned(&tw->tw_timer, jiffies + timeo));
 		atomic_inc(&tw->tw_dr->tw_count);
+	} else {
+		mod_timer_pending(&tw->tw_timer, jiffies + timeo);
 	}
 }
-EXPORT_SYMBOL_GPL(inet_twsk_schedule);
+EXPORT_SYMBOL_GPL(__inet_twsk_schedule);
 
 void inet_twsk_purge(struct inet_hashinfo *hashinfo,
 		     struct inet_timewait_death_row *twdr, int family)
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index 29ed6c5..84dce6a 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -46,12 +46,13 @@
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 #include <net/rtnetlink.h>
+#include <net/dst_metadata.h>
 
 int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
 		  __be32 src, __be32 dst, __u8 proto,
 		  __u8 tos, __u8 ttl, __be16 df, bool xnet)
 {
-	int pkt_len = skb->len;
+	int pkt_len = skb->len - skb_inner_network_offset(skb);
 	struct iphdr *iph;
 	int err;
 
@@ -119,6 +120,33 @@
 }
 EXPORT_SYMBOL_GPL(iptunnel_pull_header);
 
+struct metadata_dst *iptunnel_metadata_reply(struct metadata_dst *md,
+					     gfp_t flags)
+{
+	struct metadata_dst *res;
+	struct ip_tunnel_info *dst, *src;
+
+	if (!md || md->u.tun_info.mode & IP_TUNNEL_INFO_TX)
+		return NULL;
+
+	res = metadata_dst_alloc(0, flags);
+	if (!res)
+		return NULL;
+
+	dst = &res->u.tun_info;
+	src = &md->u.tun_info;
+	dst->key.tun_id = src->key.tun_id;
+	if (src->mode & IP_TUNNEL_INFO_IPV6)
+		memcpy(&dst->key.u.ipv6.dst, &src->key.u.ipv6.src,
+		       sizeof(struct in6_addr));
+	else
+		dst->key.u.ipv4.dst = src->key.u.ipv4.src;
+	dst->mode = src->mode | IP_TUNNEL_INFO_TX;
+
+	return res;
+}
+EXPORT_SYMBOL_GPL(iptunnel_metadata_reply);
+
 struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb,
 					 bool csum_help,
 					 int gso_type_mask)
@@ -198,8 +226,6 @@
 	[LWTUNNEL_IP_SRC]	= { .type = NLA_U32 },
 	[LWTUNNEL_IP_TTL]	= { .type = NLA_U8 },
 	[LWTUNNEL_IP_TOS]	= { .type = NLA_U8 },
-	[LWTUNNEL_IP_SPORT]	= { .type = NLA_U16 },
-	[LWTUNNEL_IP_DPORT]	= { .type = NLA_U16 },
 	[LWTUNNEL_IP_FLAGS]	= { .type = NLA_U16 },
 };
 
@@ -239,12 +265,6 @@
 	if (tb[LWTUNNEL_IP_TOS])
 		tun_info->key.tos = nla_get_u8(tb[LWTUNNEL_IP_TOS]);
 
-	if (tb[LWTUNNEL_IP_SPORT])
-		tun_info->key.tp_src = nla_get_be16(tb[LWTUNNEL_IP_SPORT]);
-
-	if (tb[LWTUNNEL_IP_DPORT])
-		tun_info->key.tp_dst = nla_get_be16(tb[LWTUNNEL_IP_DPORT]);
-
 	if (tb[LWTUNNEL_IP_FLAGS])
 		tun_info->key.tun_flags = nla_get_u16(tb[LWTUNNEL_IP_FLAGS]);
 
@@ -266,8 +286,6 @@
 	    nla_put_be32(skb, LWTUNNEL_IP_SRC, tun_info->key.u.ipv4.src) ||
 	    nla_put_u8(skb, LWTUNNEL_IP_TOS, tun_info->key.tos) ||
 	    nla_put_u8(skb, LWTUNNEL_IP_TTL, tun_info->key.ttl) ||
-	    nla_put_u16(skb, LWTUNNEL_IP_SPORT, tun_info->key.tp_src) ||
-	    nla_put_u16(skb, LWTUNNEL_IP_DPORT, tun_info->key.tp_dst) ||
 	    nla_put_u16(skb, LWTUNNEL_IP_FLAGS, tun_info->key.tun_flags))
 		return -ENOMEM;
 
@@ -281,8 +299,6 @@
 		+ nla_total_size(4)	/* LWTUNNEL_IP_SRC */
 		+ nla_total_size(1)	/* LWTUNNEL_IP_TOS */
 		+ nla_total_size(1)	/* LWTUNNEL_IP_TTL */
-		+ nla_total_size(2)	/* LWTUNNEL_IP_SPORT */
-		+ nla_total_size(2)	/* LWTUNNEL_IP_DPORT */
 		+ nla_total_size(2);	/* LWTUNNEL_IP_FLAGS */
 }
 
@@ -305,8 +321,6 @@
 	[LWTUNNEL_IP6_SRC]		= { .len = sizeof(struct in6_addr) },
 	[LWTUNNEL_IP6_HOPLIMIT]		= { .type = NLA_U8 },
 	[LWTUNNEL_IP6_TC]		= { .type = NLA_U8 },
-	[LWTUNNEL_IP6_SPORT]		= { .type = NLA_U16 },
-	[LWTUNNEL_IP6_DPORT]		= { .type = NLA_U16 },
 	[LWTUNNEL_IP6_FLAGS]		= { .type = NLA_U16 },
 };
 
@@ -346,12 +360,6 @@
 	if (tb[LWTUNNEL_IP6_TC])
 		tun_info->key.tos = nla_get_u8(tb[LWTUNNEL_IP6_TC]);
 
-	if (tb[LWTUNNEL_IP6_SPORT])
-		tun_info->key.tp_src = nla_get_be16(tb[LWTUNNEL_IP6_SPORT]);
-
-	if (tb[LWTUNNEL_IP6_DPORT])
-		tun_info->key.tp_dst = nla_get_be16(tb[LWTUNNEL_IP6_DPORT]);
-
 	if (tb[LWTUNNEL_IP6_FLAGS])
 		tun_info->key.tun_flags = nla_get_u16(tb[LWTUNNEL_IP6_FLAGS]);
 
@@ -373,8 +381,6 @@
 	    nla_put_in6_addr(skb, LWTUNNEL_IP6_SRC, &tun_info->key.u.ipv6.src) ||
 	    nla_put_u8(skb, LWTUNNEL_IP6_HOPLIMIT, tun_info->key.tos) ||
 	    nla_put_u8(skb, LWTUNNEL_IP6_TC, tun_info->key.ttl) ||
-	    nla_put_u16(skb, LWTUNNEL_IP6_SPORT, tun_info->key.tp_src) ||
-	    nla_put_u16(skb, LWTUNNEL_IP6_DPORT, tun_info->key.tp_dst) ||
 	    nla_put_u16(skb, LWTUNNEL_IP6_FLAGS, tun_info->key.tun_flags))
 		return -ENOMEM;
 
@@ -388,8 +394,6 @@
 		+ nla_total_size(16)	/* LWTUNNEL_IP6_SRC */
 		+ nla_total_size(1)	/* LWTUNNEL_IP6_HOPLIMIT */
 		+ nla_total_size(1)	/* LWTUNNEL_IP6_TC */
-		+ nla_total_size(2)	/* LWTUNNEL_IP6_SPORT */
-		+ nla_total_size(2)	/* LWTUNNEL_IP6_DPORT */
 		+ nla_total_size(2);	/* LWTUNNEL_IP6_FLAGS */
 }
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5f4a556..c81deb8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1737,6 +1737,7 @@
 	fl4.flowi4_mark = skb->mark;
 	fl4.flowi4_tos = tos;
 	fl4.flowi4_scope = RT_SCOPE_UNIVERSE;
+	fl4.flowi4_flags = 0;
 	fl4.daddr = daddr;
 	fl4.saddr = saddr;
 	err = fib_lookup(net, &fl4, &res, 0);
@@ -2045,6 +2046,7 @@
 	struct fib_result res;
 	struct rtable *rth;
 	int orig_oif;
+	int err = -ENETUNREACH;
 
 	res.tclassid	= 0;
 	res.fi		= NULL;
@@ -2153,7 +2155,8 @@
 		goto make_route;
 	}
 
-	if (fib_lookup(net, fl4, &res, 0)) {
+	err = fib_lookup(net, fl4, &res, 0);
+	if (err) {
 		res.fi = NULL;
 		res.table = NULL;
 		if (fl4->flowi4_oif) {
@@ -2181,7 +2184,7 @@
 			res.type = RTN_UNICAST;
 			goto make_route;
 		}
-		rth = ERR_PTR(-ENETUNREACH);
+		rth = ERR_PTR(err);
 		goto out;
 	}
 
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index c6ded6b..448c261 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -154,14 +154,20 @@
 static void bictcp_cwnd_event(struct sock *sk, enum tcp_ca_event event)
 {
 	if (event == CA_EVENT_TX_START) {
-		s32 delta = tcp_time_stamp - tcp_sk(sk)->lsndtime;
 		struct bictcp *ca = inet_csk_ca(sk);
+		u32 now = tcp_time_stamp;
+		s32 delta;
+
+		delta = now - tcp_sk(sk)->lsndtime;
 
 		/* We were application limited (idle) for a while.
 		 * Shift epoch_start to keep cwnd growth to cubic curve.
 		 */
-		if (ca->epoch_start && delta > 0)
+		if (ca->epoch_start && delta > 0) {
 			ca->epoch_start += delta;
+			if (after(ca->epoch_start, now))
+				ca->epoch_start = now;
+		}
 		return;
 	}
 }
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 6d8795b..def7659 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -162,9 +162,9 @@
 		if (tcp_death_row.sysctl_tw_recycle &&
 		    tcptw->tw_ts_recent_stamp &&
 		    tcp_tw_remember_stamp(tw))
-			inet_twsk_schedule(tw, tw->tw_timeout);
+			inet_twsk_reschedule(tw, tw->tw_timeout);
 		else
-			inet_twsk_schedule(tw, TCP_TIMEWAIT_LEN);
+			inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN);
 		return TCP_TW_ACK;
 	}
 
@@ -201,7 +201,7 @@
 				return TCP_TW_SUCCESS;
 			}
 		}
-		inet_twsk_schedule(tw, TCP_TIMEWAIT_LEN);
+		inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN);
 
 		if (tmp_opt.saw_tstamp) {
 			tcptw->tw_ts_recent	  = tmp_opt.rcv_tsval;
@@ -251,7 +251,7 @@
 		 * Do not reschedule in the last case.
 		 */
 		if (paws_reject || th->ack)
-			inet_twsk_schedule(tw, TCP_TIMEWAIT_LEN);
+			inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN);
 
 		return tcp_timewait_check_oow_rate_limit(
 			tw, skb, LINUX_MIB_TCPACKSKIPPEDTIMEWAIT);
@@ -322,9 +322,6 @@
 		} while (0);
 #endif
 
-		/* Linkage updates. */
-		__inet_twsk_hashdance(tw, sk, &tcp_hashinfo);
-
 		/* Get the TIME_WAIT timeout firing. */
 		if (timeo < rto)
 			timeo = rto;
@@ -338,6 +335,8 @@
 		}
 
 		inet_twsk_schedule(tw, timeo);
+		/* Linkage updates. */
+		__inet_twsk_hashdance(tw, sk, &tcp_hashinfo);
 		inet_twsk_put(tw);
 	} else {
 		/* Sorry, if we're out of memory, just CLOSE this
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index f9a8a12..1100ffe 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2897,6 +2897,7 @@
 	skb_reserve(skb, MAX_TCP_HEADER);
 	tcp_init_nondata_skb(skb, tcp_acceptable_seq(sk),
 			     TCPHDR_ACK | TCPHDR_RST);
+	skb_mstamp_get(&skb->skb_mstamp);
 	/* Send it off. */
 	if (tcp_transmit_skb(sk, skb, 0, priority))
 		NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index c0a15e7..f7d1d5e 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1024,7 +1024,8 @@
 		if (netif_index_is_vrf(net, ipc.oif)) {
 			flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos,
 					   RT_SCOPE_UNIVERSE, sk->sk_protocol,
-					   (flow_flags | FLOWI_FLAG_VRFSRC),
+					   (flow_flags | FLOWI_FLAG_VRFSRC |
+					    FLOWI_FLAG_SKIP_NH_OIF),
 					   faddr, saddr, dport,
 					   inet->inet_sport);
 
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index bb919b2..c10a9ee 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -33,6 +33,8 @@
 	if (saddr)
 		fl4->saddr = saddr->a4;
 
+	fl4->flowi4_flags = FLOWI_FLAG_SKIP_NH_OIF;
+
 	rt = __ip_route_output_key(net, fl4);
 	if (!IS_ERR(rt))
 		return &rt->dst;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 030fefd..9001133 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5127,13 +5127,12 @@
 
 			rt = addrconf_get_prefix_route(&ifp->peer_addr, 128,
 						       ifp->idev->dev, 0, 0);
-			if (rt && ip6_del_rt(rt))
-				dst_free(&rt->dst);
+			if (rt)
+				ip6_del_rt(rt);
 		}
 		dst_hold(&ifp->rt->dst);
 
-		if (ip6_del_rt(ifp->rt))
-			dst_free(&ifp->rt->dst);
+		ip6_del_rt(ifp->rt);
 
 		rt_genid_bump_ipv6(net);
 		break;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 418d982..7d2e002 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -155,6 +155,11 @@
 	kmem_cache_free(fib6_node_kmem, fn);
 }
 
+static void rt6_rcu_free(struct rt6_info *rt)
+{
+	call_rcu(&rt->dst.rcu_head, dst_rcu_free);
+}
+
 static void rt6_free_pcpu(struct rt6_info *non_pcpu_rt)
 {
 	int cpu;
@@ -169,7 +174,7 @@
 		ppcpu_rt = per_cpu_ptr(non_pcpu_rt->rt6i_pcpu, cpu);
 		pcpu_rt = *ppcpu_rt;
 		if (pcpu_rt) {
-			dst_free(&pcpu_rt->dst);
+			rt6_rcu_free(pcpu_rt);
 			*ppcpu_rt = NULL;
 		}
 	}
@@ -181,7 +186,7 @@
 {
 	if (atomic_dec_and_test(&rt->rt6i_ref)) {
 		rt6_free_pcpu(rt);
-		dst_free(&rt->dst);
+		rt6_rcu_free(rt);
 	}
 }
 
@@ -846,7 +851,7 @@
 		*ins = rt;
 		rt->rt6i_node = fn;
 		atomic_inc(&rt->rt6i_ref);
-		inet6_rt_notify(RTM_NEWROUTE, rt, info);
+		inet6_rt_notify(RTM_NEWROUTE, rt, info, 0);
 		info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
 
 		if (!(fn->fn_flags & RTN_RTINFO)) {
@@ -872,7 +877,7 @@
 		rt->rt6i_node = fn;
 		rt->dst.rt6_next = iter->dst.rt6_next;
 		atomic_inc(&rt->rt6i_ref);
-		inet6_rt_notify(RTM_NEWROUTE, rt, info);
+		inet6_rt_notify(RTM_NEWROUTE, rt, info, NLM_F_REPLACE);
 		if (!(fn->fn_flags & RTN_RTINFO)) {
 			info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
 			fn->fn_flags |= RTN_RTINFO;
@@ -933,6 +938,10 @@
 	int replace_required = 0;
 	int sernum = fib6_new_sernum(info->nl_net);
 
+	if (WARN_ON_ONCE((rt->dst.flags & DST_NOCACHE) &&
+			 !atomic_read(&rt->dst.__refcnt)))
+		return -EINVAL;
+
 	if (info->nlh) {
 		if (!(info->nlh->nlmsg_flags & NLM_F_CREATE))
 			allow_create = 0;
@@ -1025,6 +1034,7 @@
 		fib6_start_gc(info->nl_net, rt);
 		if (!(rt->rt6i_flags & RTF_CACHE))
 			fib6_prune_clones(info->nl_net, pn);
+		rt->dst.flags &= ~DST_NOCACHE;
 	}
 
 out:
@@ -1049,7 +1059,8 @@
 			atomic_inc(&pn->leaf->rt6i_ref);
 		}
 #endif
-		dst_free(&rt->dst);
+		if (!(rt->dst.flags & DST_NOCACHE))
+			dst_free(&rt->dst);
 	}
 	return err;
 
@@ -1060,7 +1071,8 @@
 st_failure:
 	if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
 		fib6_repair_tree(info->nl_net, fn);
-	dst_free(&rt->dst);
+	if (!(rt->dst.flags & DST_NOCACHE))
+		dst_free(&rt->dst);
 	return err;
 #endif
 }
@@ -1410,7 +1422,7 @@
 
 	fib6_purge_rt(rt, fn, net);
 
-	inet6_rt_notify(RTM_DELROUTE, rt, info);
+	inet6_rt_notify(RTM_DELROUTE, rt, info, 0);
 	rt6_release(rt);
 }
 
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 4038c69..3c7b931 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -404,13 +404,13 @@
 		struct ipv6_tlv_tnl_enc_lim *tel;
 		__u32 mtu;
 	case ICMPV6_DEST_UNREACH:
-		net_warn_ratelimited("%s: Path to destination invalid or inactive!\n",
-				     t->parms.name);
+		net_dbg_ratelimited("%s: Path to destination invalid or inactive!\n",
+				    t->parms.name);
 		break;
 	case ICMPV6_TIME_EXCEED:
 		if (code == ICMPV6_EXC_HOPLIMIT) {
-			net_warn_ratelimited("%s: Too small hop limit or routing loop in tunnel!\n",
-					     t->parms.name);
+			net_dbg_ratelimited("%s: Too small hop limit or routing loop in tunnel!\n",
+					    t->parms.name);
 		}
 		break;
 	case ICMPV6_PARAMPROB:
@@ -421,12 +421,12 @@
 		if (teli && teli == be32_to_cpu(info) - 2) {
 			tel = (struct ipv6_tlv_tnl_enc_lim *) &skb->data[teli];
 			if (tel->encap_limit == 0) {
-				net_warn_ratelimited("%s: Too small encapsulation limit or routing loop in tunnel!\n",
-						     t->parms.name);
+				net_dbg_ratelimited("%s: Too small encapsulation limit or routing loop in tunnel!\n",
+						    t->parms.name);
 			}
 		} else {
-			net_warn_ratelimited("%s: Recipient unable to parse tunneled packet!\n",
-					     t->parms.name);
+			net_dbg_ratelimited("%s: Recipient unable to parse tunneled packet!\n",
+					    t->parms.name);
 		}
 		break;
 	case ICMPV6_PKT_TOOBIG:
@@ -634,20 +634,20 @@
 	}
 
 	if (!fl6->flowi6_mark)
-		dst = ip6_tnl_dst_check(tunnel);
+		dst = ip6_tnl_dst_get(tunnel);
 
 	if (!dst) {
-		ndst = ip6_route_output(net, NULL, fl6);
+		dst = ip6_route_output(net, NULL, fl6);
 
-		if (ndst->error)
+		if (dst->error)
 			goto tx_err_link_failure;
-		ndst = xfrm_lookup(net, ndst, flowi6_to_flowi(fl6), NULL, 0);
-		if (IS_ERR(ndst)) {
-			err = PTR_ERR(ndst);
-			ndst = NULL;
+		dst = xfrm_lookup(net, dst, flowi6_to_flowi(fl6), NULL, 0);
+		if (IS_ERR(dst)) {
+			err = PTR_ERR(dst);
+			dst = NULL;
 			goto tx_err_link_failure;
 		}
-		dst = ndst;
+		ndst = dst;
 	}
 
 	tdev = dst->dev;
@@ -702,12 +702,9 @@
 		skb = new_skb;
 	}
 
-	if (fl6->flowi6_mark) {
-		skb_dst_set(skb, dst);
-		ndst = NULL;
-	} else {
-		skb_dst_set_noref(skb, dst);
-	}
+	if (!fl6->flowi6_mark && ndst)
+		ip6_tnl_dst_set(tunnel, ndst);
+	skb_dst_set(skb, dst);
 
 	proto = NEXTHDR_GRE;
 	if (encap_limit >= 0) {
@@ -762,14 +759,12 @@
 	skb_set_inner_protocol(skb, protocol);
 
 	ip6tunnel_xmit(NULL, skb, dev);
-	if (ndst)
-		ip6_tnl_dst_store(tunnel, ndst);
 	return 0;
 tx_err_link_failure:
 	stats->tx_carrier_errors++;
 	dst_link_failure(skb);
 tx_err_dst_release:
-	dst_release(ndst);
+	dst_release(dst);
 	return err;
 }
 
@@ -1223,6 +1218,9 @@
 
 static void ip6gre_dev_free(struct net_device *dev)
 {
+	struct ip6_tnl *t = netdev_priv(dev);
+
+	ip6_tnl_dst_destroy(t);
 	free_percpu(dev->tstats);
 	free_netdev(dev);
 }
@@ -1245,9 +1243,10 @@
 	netif_keep_dst(dev);
 }
 
-static int ip6gre_tunnel_init(struct net_device *dev)
+static int ip6gre_tunnel_init_common(struct net_device *dev)
 {
 	struct ip6_tnl *tunnel;
+	int ret;
 
 	tunnel = netdev_priv(dev);
 
@@ -1255,16 +1254,37 @@
 	tunnel->net = dev_net(dev);
 	strcpy(tunnel->parms.name, dev->name);
 
+	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
+	if (!dev->tstats)
+		return -ENOMEM;
+
+	ret = ip6_tnl_dst_init(tunnel);
+	if (ret) {
+		free_percpu(dev->tstats);
+		dev->tstats = NULL;
+		return ret;
+	}
+
+	return 0;
+}
+
+static int ip6gre_tunnel_init(struct net_device *dev)
+{
+	struct ip6_tnl *tunnel;
+	int ret;
+
+	ret = ip6gre_tunnel_init_common(dev);
+	if (ret)
+		return ret;
+
+	tunnel = netdev_priv(dev);
+
 	memcpy(dev->dev_addr, &tunnel->parms.laddr, sizeof(struct in6_addr));
 	memcpy(dev->broadcast, &tunnel->parms.raddr, sizeof(struct in6_addr));
 
 	if (ipv6_addr_any(&tunnel->parms.raddr))
 		dev->header_ops = &ip6gre_header_ops;
 
-	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
-	if (!dev->tstats)
-		return -ENOMEM;
-
 	return 0;
 }
 
@@ -1460,19 +1480,16 @@
 static int ip6gre_tap_init(struct net_device *dev)
 {
 	struct ip6_tnl *tunnel;
+	int ret;
+
+	ret = ip6gre_tunnel_init_common(dev);
+	if (ret)
+		return ret;
 
 	tunnel = netdev_priv(dev);
 
-	tunnel->dev = dev;
-	tunnel->net = dev_net(dev);
-	strcpy(tunnel->parms.name, dev->name);
-
 	ip6gre_tnl_link_config(tunnel, 1);
 
-	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
-	if (!dev->tstats)
-		return -ENOMEM;
-
 	return 0;
 }
 
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 26ea479..92b1aa3 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -586,20 +586,22 @@
 	frag_id = ipv6_select_ident(net, &ipv6_hdr(skb)->daddr,
 				    &ipv6_hdr(skb)->saddr);
 
+	hroom = LL_RESERVED_SPACE(rt->dst.dev);
 	if (skb_has_frag_list(skb)) {
 		int first_len = skb_pagelen(skb);
 		struct sk_buff *frag2;
 
 		if (first_len - hlen > mtu ||
 		    ((first_len - hlen) & 7) ||
-		    skb_cloned(skb))
+		    skb_cloned(skb) ||
+		    skb_headroom(skb) < (hroom + sizeof(struct frag_hdr)))
 			goto slow_path;
 
 		skb_walk_frags(skb, frag) {
 			/* Correct geometry. */
 			if (frag->len > mtu ||
 			    ((frag->len & 7) && frag->next) ||
-			    skb_headroom(frag) < hlen)
+			    skb_headroom(frag) < (hlen + hroom + sizeof(struct frag_hdr)))
 				goto slow_path_clean;
 
 			/* Partially cloned skb? */
@@ -616,8 +618,6 @@
 
 		err = 0;
 		offset = 0;
-		frag = skb_shinfo(skb)->frag_list;
-		skb_frag_list_init(skb);
 		/* BUILD HEADER */
 
 		*prevhdr = NEXTHDR_FRAGMENT;
@@ -625,8 +625,11 @@
 		if (!tmp_hdr) {
 			IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
 				      IPSTATS_MIB_FRAGFAILS);
-			return -ENOMEM;
+			err = -ENOMEM;
+			goto fail;
 		}
+		frag = skb_shinfo(skb)->frag_list;
+		skb_frag_list_init(skb);
 
 		__skb_pull(skb, hlen);
 		fh = (struct frag_hdr *)__skb_push(skb, sizeof(struct frag_hdr));
@@ -723,7 +726,6 @@
 	 */
 
 	*prevhdr = NEXTHDR_FRAGMENT;
-	hroom = LL_RESERVED_SPACE(rt->dst.dev);
 	troom = rt->dst.dev->needed_tailroom;
 
 	/*
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b0ab420..eabffbb 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -126,36 +126,92 @@
  * Locking : hash tables are protected by RCU and RTNL
  */
 
-struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
+static void ip6_tnl_per_cpu_dst_set(struct ip6_tnl_dst *idst,
+				    struct dst_entry *dst)
 {
-	struct dst_entry *dst = t->dst_cache;
-
-	if (dst && dst->obsolete &&
-	    !dst->ops->check(dst, t->dst_cookie)) {
-		t->dst_cache = NULL;
-		dst_release(dst);
-		return NULL;
+	write_seqlock_bh(&idst->lock);
+	dst_release(rcu_dereference_protected(
+			    idst->dst,
+			    lockdep_is_held(&idst->lock.lock)));
+	if (dst) {
+		dst_hold(dst);
+		idst->cookie = rt6_get_cookie((struct rt6_info *)dst);
+	} else {
+		idst->cookie = 0;
 	}
+	rcu_assign_pointer(idst->dst, dst);
+	write_sequnlock_bh(&idst->lock);
+}
 
+struct dst_entry *ip6_tnl_dst_get(struct ip6_tnl *t)
+{
+	struct ip6_tnl_dst *idst;
+	struct dst_entry *dst;
+	unsigned int seq;
+	u32 cookie;
+
+	idst = raw_cpu_ptr(t->dst_cache);
+
+	rcu_read_lock();
+	do {
+		seq = read_seqbegin(&idst->lock);
+		dst = rcu_dereference(idst->dst);
+		cookie = idst->cookie;
+	} while (read_seqretry(&idst->lock, seq));
+
+	if (dst && !atomic_inc_not_zero(&dst->__refcnt))
+		dst = NULL;
+	rcu_read_unlock();
+
+	if (dst && dst->obsolete && !dst->ops->check(dst, cookie)) {
+		ip6_tnl_per_cpu_dst_set(idst, NULL);
+		dst_release(dst);
+		dst = NULL;
+	}
 	return dst;
 }
-EXPORT_SYMBOL_GPL(ip6_tnl_dst_check);
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_get);
 
 void ip6_tnl_dst_reset(struct ip6_tnl *t)
 {
-	dst_release(t->dst_cache);
-	t->dst_cache = NULL;
+	int i;
+
+	for_each_possible_cpu(i)
+		ip6_tnl_per_cpu_dst_set(raw_cpu_ptr(t->dst_cache), NULL);
 }
 EXPORT_SYMBOL_GPL(ip6_tnl_dst_reset);
 
-void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
+void ip6_tnl_dst_set(struct ip6_tnl *t, struct dst_entry *dst)
 {
-	struct rt6_info *rt = (struct rt6_info *) dst;
-	t->dst_cookie = rt6_get_cookie(rt);
-	dst_release(t->dst_cache);
-	t->dst_cache = dst;
+	ip6_tnl_per_cpu_dst_set(raw_cpu_ptr(t->dst_cache), dst);
+
 }
-EXPORT_SYMBOL_GPL(ip6_tnl_dst_store);
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_set);
+
+void ip6_tnl_dst_destroy(struct ip6_tnl *t)
+{
+	if (!t->dst_cache)
+		return;
+
+	ip6_tnl_dst_reset(t);
+	free_percpu(t->dst_cache);
+}
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_destroy);
+
+int ip6_tnl_dst_init(struct ip6_tnl *t)
+{
+	int i;
+
+	t->dst_cache = alloc_percpu(struct ip6_tnl_dst);
+	if (!t->dst_cache)
+		return -ENOMEM;
+
+	for_each_possible_cpu(i)
+		seqlock_init(&per_cpu_ptr(t->dst_cache, i)->lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_init);
 
 /**
  * ip6_tnl_lookup - fetch tunnel matching the end-point addresses
@@ -271,6 +327,9 @@
 
 static void ip6_dev_free(struct net_device *dev)
 {
+	struct ip6_tnl *t = netdev_priv(dev);
+
+	ip6_tnl_dst_destroy(t);
 	free_percpu(dev->tstats);
 	free_netdev(dev);
 }
@@ -510,14 +569,14 @@
 		struct ipv6_tlv_tnl_enc_lim *tel;
 		__u32 mtu;
 	case ICMPV6_DEST_UNREACH:
-		net_warn_ratelimited("%s: Path to destination invalid or inactive!\n",
-				     t->parms.name);
+		net_dbg_ratelimited("%s: Path to destination invalid or inactive!\n",
+				    t->parms.name);
 		rel_msg = 1;
 		break;
 	case ICMPV6_TIME_EXCEED:
 		if ((*code) == ICMPV6_EXC_HOPLIMIT) {
-			net_warn_ratelimited("%s: Too small hop limit or routing loop in tunnel!\n",
-					     t->parms.name);
+			net_dbg_ratelimited("%s: Too small hop limit or routing loop in tunnel!\n",
+					    t->parms.name);
 			rel_msg = 1;
 		}
 		break;
@@ -529,13 +588,13 @@
 		if (teli && teli == *info - 2) {
 			tel = (struct ipv6_tlv_tnl_enc_lim *) &skb->data[teli];
 			if (tel->encap_limit == 0) {
-				net_warn_ratelimited("%s: Too small encapsulation limit or routing loop in tunnel!\n",
-						     t->parms.name);
+				net_dbg_ratelimited("%s: Too small encapsulation limit or routing loop in tunnel!\n",
+						    t->parms.name);
 				rel_msg = 1;
 			}
 		} else {
-			net_warn_ratelimited("%s: Recipient unable to parse tunneled packet!\n",
-					     t->parms.name);
+			net_dbg_ratelimited("%s: Recipient unable to parse tunneled packet!\n",
+					    t->parms.name);
 		}
 		break;
 	case ICMPV6_PKT_TOOBIG:
@@ -1010,23 +1069,23 @@
 		memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
 		neigh_release(neigh);
 	} else if (!fl6->flowi6_mark)
-		dst = ip6_tnl_dst_check(t);
+		dst = ip6_tnl_dst_get(t);
 
 	if (!ip6_tnl_xmit_ctl(t, &fl6->saddr, &fl6->daddr))
 		goto tx_err_link_failure;
 
 	if (!dst) {
-		ndst = ip6_route_output(net, NULL, fl6);
+		dst = ip6_route_output(net, NULL, fl6);
 
-		if (ndst->error)
+		if (dst->error)
 			goto tx_err_link_failure;
-		ndst = xfrm_lookup(net, ndst, flowi6_to_flowi(fl6), NULL, 0);
-		if (IS_ERR(ndst)) {
-			err = PTR_ERR(ndst);
-			ndst = NULL;
+		dst = xfrm_lookup(net, dst, flowi6_to_flowi(fl6), NULL, 0);
+		if (IS_ERR(dst)) {
+			err = PTR_ERR(dst);
+			dst = NULL;
 			goto tx_err_link_failure;
 		}
-		dst = ndst;
+		ndst = dst;
 	}
 
 	tdev = dst->dev;
@@ -1072,12 +1131,11 @@
 		consume_skb(skb);
 		skb = new_skb;
 	}
-	if (fl6->flowi6_mark) {
-		skb_dst_set(skb, dst);
-		ndst = NULL;
-	} else {
-		skb_dst_set_noref(skb, dst);
-	}
+
+	if (!fl6->flowi6_mark && ndst)
+		ip6_tnl_dst_set(t, ndst);
+	skb_dst_set(skb, dst);
+
 	skb->transport_header = skb->network_header;
 
 	proto = fl6->flowi6_proto;
@@ -1101,14 +1159,12 @@
 	ipv6h->saddr = fl6->saddr;
 	ipv6h->daddr = fl6->daddr;
 	ip6tunnel_xmit(NULL, skb, dev);
-	if (ndst)
-		ip6_tnl_dst_store(t, ndst);
 	return 0;
 tx_err_link_failure:
 	stats->tx_carrier_errors++;
 	dst_link_failure(skb);
 tx_err_dst_release:
-	dst_release(ndst);
+	dst_release(dst);
 	return err;
 }
 
@@ -1573,12 +1629,21 @@
 ip6_tnl_dev_init_gen(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
+	int ret;
 
 	t->dev = dev;
 	t->net = dev_net(dev);
 	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
 	if (!dev->tstats)
 		return -ENOMEM;
+
+	ret = ip6_tnl_dst_init(t);
+	if (ret) {
+		free_percpu(dev->tstats);
+		dev->tstats = NULL;
+		return ret;
+	}
+
 	return 0;
 }
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 53617d7..cb32ce2 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1193,7 +1193,8 @@
 
 	fl6->flowi6_iif = LOOPBACK_IFINDEX;
 
-	if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
+	if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr) ||
+	    fl6->flowi6_oif)
 		flags |= RT6_LOOKUP_F_IFACE;
 
 	if (!ipv6_addr_any(&fl6->saddr))
@@ -1322,8 +1323,7 @@
 	if (rt) {
 		if (rt->rt6i_flags & RTF_CACHE) {
 			dst_hold(&rt->dst);
-			if (ip6_del_rt(rt))
-				dst_free(&rt->dst);
+			ip6_del_rt(rt);
 		} else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) {
 			rt->rt6i_node->fn_sernum = -1;
 		}
@@ -1886,9 +1886,11 @@
 			rt->dst.input = ip6_pkt_prohibit;
 			break;
 		case RTN_THROW:
+		case RTN_UNREACHABLE:
 		default:
 			rt->dst.error = (cfg->fc_type == RTN_THROW) ? -EAGAIN
-					: -ENETUNREACH;
+					: (cfg->fc_type == RTN_UNREACHABLE)
+					? -EHOSTUNREACH : -ENETUNREACH;
 			rt->dst.output = ip6_pkt_discard_out;
 			rt->dst.input = ip6_pkt_discard;
 			break;
@@ -2028,7 +2030,8 @@
 	struct fib6_table *table;
 	struct net *net = dev_net(rt->dst.dev);
 
-	if (rt == net->ipv6.ip6_null_entry) {
+	if (rt == net->ipv6.ip6_null_entry ||
+	    rt->dst.flags & DST_NOCACHE) {
 		err = -ENOENT;
 		goto out;
 	}
@@ -2515,6 +2518,7 @@
 	rt->rt6i_dst.addr = *addr;
 	rt->rt6i_dst.plen = 128;
 	rt->rt6i_table = fib6_get_table(net, RT6_TABLE_LOCAL);
+	rt->dst.flags |= DST_NOCACHE;
 
 	atomic_set(&rt->dst.__refcnt, 1);
 
@@ -3303,7 +3307,8 @@
 	return err;
 }
 
-void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
+void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info,
+		     unsigned int nlm_flags)
 {
 	struct sk_buff *skb;
 	struct net *net = info->nl_net;
@@ -3318,7 +3323,7 @@
 		goto errout;
 
 	err = rt6_fill_node(net, skb, rt, NULL, NULL, 0,
-				event, info->portid, seq, 0, 0, 0);
+				event, info->portid, seq, 0, 0, nlm_flags);
 	if (err < 0) {
 		/* -EMSGSIZE implies BUG in rt6_nlmsg_size() */
 		WARN_ON(err == -EMSGSIZE);
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index f6b090d..afca2eb 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1319,7 +1319,7 @@
 	tunnel = container_of(work, struct l2tp_tunnel, del_work);
 	sk = l2tp_tunnel_sock_lookup(tunnel);
 	if (!sk)
-		return;
+		goto out;
 
 	sock = sk->sk_socket;
 
@@ -1341,6 +1341,8 @@
 	}
 
 	l2tp_tunnel_sock_put(sk);
+out:
+	l2tp_tunnel_dec_refcount(tunnel);
 }
 
 /* Create a socket for the tunnel, if one isn't set up by
@@ -1636,8 +1638,13 @@
  */
 int l2tp_tunnel_delete(struct l2tp_tunnel *tunnel)
 {
+	l2tp_tunnel_inc_refcount(tunnel);
 	l2tp_tunnel_closeall(tunnel);
-	return (false == queue_work(l2tp_wq, &tunnel->del_work));
+	if (false == queue_work(l2tp_wq, &tunnel->del_work)) {
+		l2tp_tunnel_dec_refcount(tunnel);
+		return 1;
+	}
+	return 0;
 }
 EXPORT_SYMBOL_GPL(l2tp_tunnel_delete);
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 17b1fe9..7a77a14 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2474,6 +2474,7 @@
 
 	bss_conf->cqm_rssi_thold = rssi_thold;
 	bss_conf->cqm_rssi_hyst = rssi_hyst;
+	sdata->u.mgd.last_cqm_event_signal = 0;
 
 	/* tell the driver upon association, unless already associated */
 	if (sdata->u.mgd.associated &&
@@ -2518,15 +2519,17 @@
 			continue;
 
 		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
-			if (~sdata->rc_rateidx_mcs_mask[i][j])
+			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
 				sdata->rc_has_mcs_mask[i] = true;
-
-			if (~sdata->rc_rateidx_vht_mcs_mask[i][j])
-				sdata->rc_has_vht_mcs_mask[i] = true;
-
-			if (sdata->rc_has_mcs_mask[i] &&
-			    sdata->rc_has_vht_mcs_mask[i])
 				break;
+			}
+		}
+
+		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
+			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
+				sdata->rc_has_vht_mcs_mask[i] = true;
+				break;
+			}
 		}
 	}
 
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 675d12c..a5d41df 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -107,12 +107,17 @@
 
 void nf_log_unregister(struct nf_logger *logger)
 {
+	const struct nf_logger *log;
 	int i;
 
 	mutex_lock(&nf_log_mutex);
-	for (i = 0; i < NFPROTO_NUMPROTO; i++)
-		RCU_INIT_POINTER(loggers[i][logger->type], NULL);
+	for (i = 0; i < NFPROTO_NUMPROTO; i++) {
+		log = nft_log_dereference(loggers[i][logger->type]);
+		if (log == logger)
+			RCU_INIT_POINTER(loggers[i][logger->type], NULL);
+	}
 	mutex_unlock(&nf_log_mutex);
+	synchronize_rcu();
 }
 EXPORT_SYMBOL(nf_log_unregister);
 
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 66def31..9c8fab0 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -619,6 +619,13 @@
 
 static struct nft_expr_type nft_match_type;
 
+static bool nft_match_cmp(const struct xt_match *match,
+			  const char *name, u32 rev, u32 family)
+{
+	return strcmp(match->name, name) == 0 && match->revision == rev &&
+	       (match->family == NFPROTO_UNSPEC || match->family == family);
+}
+
 static const struct nft_expr_ops *
 nft_match_select_ops(const struct nft_ctx *ctx,
 		     const struct nlattr * const tb[])
@@ -626,7 +633,7 @@
 	struct nft_xt *nft_match;
 	struct xt_match *match;
 	char *mt_name;
-	__u32 rev, family;
+	u32 rev, family;
 
 	if (tb[NFTA_MATCH_NAME] == NULL ||
 	    tb[NFTA_MATCH_REV] == NULL ||
@@ -641,8 +648,7 @@
 	list_for_each_entry(nft_match, &nft_match_list, head) {
 		struct xt_match *match = nft_match->ops.data;
 
-		if (strcmp(match->name, mt_name) == 0 &&
-		    match->revision == rev && match->family == family) {
+		if (nft_match_cmp(match, mt_name, rev, family)) {
 			if (!try_module_get(match->me))
 				return ERR_PTR(-ENOENT);
 
@@ -693,6 +699,13 @@
 
 static struct nft_expr_type nft_target_type;
 
+static bool nft_target_cmp(const struct xt_target *tg,
+			   const char *name, u32 rev, u32 family)
+{
+	return strcmp(tg->name, name) == 0 && tg->revision == rev &&
+	       (tg->family == NFPROTO_UNSPEC || tg->family == family);
+}
+
 static const struct nft_expr_ops *
 nft_target_select_ops(const struct nft_ctx *ctx,
 		      const struct nlattr * const tb[])
@@ -700,7 +713,7 @@
 	struct nft_xt *nft_target;
 	struct xt_target *target;
 	char *tg_name;
-	__u32 rev, family;
+	u32 rev, family;
 
 	if (tb[NFTA_TARGET_NAME] == NULL ||
 	    tb[NFTA_TARGET_REV] == NULL ||
@@ -715,8 +728,7 @@
 	list_for_each_entry(nft_target, &nft_target_list, head) {
 		struct xt_target *target = nft_target->ops.data;
 
-		if (strcmp(target->name, tg_name) == 0 &&
-		    target->revision == rev && target->family == family) {
+		if (nft_target_cmp(target, tg_name, rev, family)) {
 			if (!try_module_get(target->me))
 				return ERR_PTR(-ENOENT);
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 7f86d3b..8f060d7 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -125,6 +125,24 @@
 	return group ? 1 << (group - 1) : 0;
 }
 
+static struct sk_buff *netlink_to_full_skb(const struct sk_buff *skb,
+					   gfp_t gfp_mask)
+{
+	unsigned int len = skb_end_offset(skb);
+	struct sk_buff *new;
+
+	new = alloc_skb(len, gfp_mask);
+	if (new == NULL)
+		return NULL;
+
+	NETLINK_CB(new).portid = NETLINK_CB(skb).portid;
+	NETLINK_CB(new).dst_group = NETLINK_CB(skb).dst_group;
+	NETLINK_CB(new).creds = NETLINK_CB(skb).creds;
+
+	memcpy(skb_put(new, len), skb->data, len);
+	return new;
+}
+
 int netlink_add_tap(struct netlink_tap *nt)
 {
 	if (unlikely(nt->dev->type != ARPHRD_NETLINK))
@@ -206,7 +224,11 @@
 	int ret = -ENOMEM;
 
 	dev_hold(dev);
-	nskb = skb_clone(skb, GFP_ATOMIC);
+
+	if (netlink_skb_is_mmaped(skb) || is_vmalloc_addr(skb->head))
+		nskb = netlink_to_full_skb(skb, GFP_ATOMIC);
+	else
+		nskb = skb_clone(skb, GFP_ATOMIC);
 	if (nskb) {
 		nskb->dev = dev;
 		nskb->protocol = htons((u16) sk->sk_protocol);
@@ -279,11 +301,6 @@
 }
 
 #ifdef CONFIG_NETLINK_MMAP
-static bool netlink_skb_is_mmaped(const struct sk_buff *skb)
-{
-	return NETLINK_CB(skb).flags & NETLINK_SKB_MMAPED;
-}
-
 static bool netlink_rx_is_mmaped(struct sock *sk)
 {
 	return nlk_sk(sk)->rx_ring.pg_vec != NULL;
@@ -846,7 +863,6 @@
 }
 
 #else /* CONFIG_NETLINK_MMAP */
-#define netlink_skb_is_mmaped(skb)	false
 #define netlink_rx_is_mmaped(sk)	false
 #define netlink_tx_is_mmaped(sk)	false
 #define netlink_mmap			sock_no_mmap
@@ -1094,8 +1110,8 @@
 
 	lock_sock(sk);
 
-	err = -EBUSY;
-	if (nlk_sk(sk)->portid)
+	err = nlk_sk(sk)->portid == portid ? 0 : -EBUSY;
+	if (nlk_sk(sk)->bound)
 		goto err;
 
 	err = -ENOMEM;
@@ -1115,10 +1131,14 @@
 			err = -EOVERFLOW;
 		if (err == -EEXIST)
 			err = -EADDRINUSE;
-		nlk_sk(sk)->portid = 0;
 		sock_put(sk);
+		goto err;
 	}
 
+	/* We need to ensure that the socket is hashed and visible. */
+	smp_wmb();
+	nlk_sk(sk)->bound = portid;
+
 err:
 	release_sock(sk);
 	return err;
@@ -1503,6 +1523,7 @@
 	struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
 	int err;
 	long unsigned int groups = nladdr->nl_groups;
+	bool bound;
 
 	if (addr_len < sizeof(struct sockaddr_nl))
 		return -EINVAL;
@@ -1519,9 +1540,14 @@
 			return err;
 	}
 
-	if (nlk->portid)
+	bound = nlk->bound;
+	if (bound) {
+		/* Ensure nlk->portid is up-to-date. */
+		smp_rmb();
+
 		if (nladdr->nl_pid != nlk->portid)
 			return -EINVAL;
+	}
 
 	if (nlk->netlink_bind && groups) {
 		int group;
@@ -1537,7 +1563,10 @@
 		}
 	}
 
-	if (!nlk->portid) {
+	/* No need for barriers here as we return to user-space without
+	 * using any of the bound attributes.
+	 */
+	if (!bound) {
 		err = nladdr->nl_pid ?
 			netlink_insert(sk, nladdr->nl_pid) :
 			netlink_autobind(sock);
@@ -1585,7 +1614,10 @@
 	    !netlink_allowed(sock, NL_CFG_F_NONROOT_SEND))
 		return -EPERM;
 
-	if (!nlk->portid)
+	/* No need for barriers here as we return to user-space without
+	 * using any of the bound attributes.
+	 */
+	if (!nlk->bound)
 		err = netlink_autobind(sock);
 
 	if (err == 0) {
@@ -2426,10 +2458,13 @@
 		dst_group = nlk->dst_group;
 	}
 
-	if (!nlk->portid) {
+	if (!nlk->bound) {
 		err = netlink_autobind(sock);
 		if (err)
 			goto out;
+	} else {
+		/* Ensure nlk is hashed and visible. */
+		smp_rmb();
 	}
 
 	/* It's a really convoluted way for userland to ask for mmaped
diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h
index 8900840..14437d9 100644
--- a/net/netlink/af_netlink.h
+++ b/net/netlink/af_netlink.h
@@ -35,6 +35,7 @@
 	unsigned long		state;
 	size_t			max_recvmsg_len;
 	wait_queue_head_t	wait;
+	bool			bound;
 	bool			cb_running;
 	struct netlink_callback	cb;
 	struct mutex		*cb_mutex;
@@ -59,6 +60,15 @@
 	return container_of(sk, struct netlink_sock, sk);
 }
 
+static inline bool netlink_skb_is_mmaped(const struct sk_buff *skb)
+{
+#ifdef CONFIG_NETLINK_MMAP
+	return NETLINK_CB(skb).flags & NETLINK_SKB_MMAPED;
+#else
+	return false;
+#endif /* CONFIG_NETLINK_MMAP */
+}
+
 struct netlink_table {
 	struct rhashtable	hash;
 	struct hlist_head	mc_list;
diff --git a/net/openvswitch/Kconfig b/net/openvswitch/Kconfig
index 2a071f4..d143aa9 100644
--- a/net/openvswitch/Kconfig
+++ b/net/openvswitch/Kconfig
@@ -5,7 +5,8 @@
 config OPENVSWITCH
 	tristate "Open vSwitch"
 	depends on INET
-	depends on (!NF_CONNTRACK || NF_CONNTRACK)
+	depends on !NF_CONNTRACK || \
+		   (NF_CONNTRACK && (!NF_DEFRAG_IPV6 || NF_DEFRAG_IPV6))
 	select LIBCRC32C
 	select MPLS
 	select NET_MPLS_GSO
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index e8e524a..002a755 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -275,13 +275,15 @@
 	case NFPROTO_IPV6: {
 		u8 nexthdr = ipv6_hdr(skb)->nexthdr;
 		__be16 frag_off;
+		int ofs;
 
-		protoff = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr),
-					   &nexthdr, &frag_off);
-		if (protoff < 0 || (frag_off & htons(~0x7)) != 0) {
+		ofs = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr,
+				       &frag_off);
+		if (ofs < 0 || (frag_off & htons(~0x7)) != 0) {
 			pr_debug("proto header not found\n");
 			return NF_ACCEPT;
 		}
+		protoff = ofs;
 		break;
 	}
 	default:
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 6fbd2de..b816ff8 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -952,7 +952,7 @@
 	if (error)
 		goto err_kfree_flow;
 
-	ovs_flow_mask_key(&new_flow->key, &key, &mask);
+	ovs_flow_mask_key(&new_flow->key, &key, true, &mask);
 
 	/* Extract flow identifier. */
 	error = ovs_nla_get_identifier(&new_flow->id, a[OVS_FLOW_ATTR_UFID],
@@ -1080,7 +1080,7 @@
 	struct sw_flow_key masked_key;
 	int error;
 
-	ovs_flow_mask_key(&masked_key, key, mask);
+	ovs_flow_mask_key(&masked_key, key, true, mask);
 	error = ovs_nla_copy_actions(net, a, &masked_key, &acts, log);
 	if (error) {
 		OVS_NLERR(log,
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index c92d6a2..5c030a4 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -57,6 +57,7 @@
 };
 
 #define OVS_ATTR_NESTED -1
+#define OVS_ATTR_VARIABLE -2
 
 static void update_range(struct sw_flow_match *match,
 			 size_t offset, size_t size, bool is_mask)
@@ -304,6 +305,10 @@
 		+ nla_total_size(28); /* OVS_KEY_ATTR_ND */
 }
 
+static const struct ovs_len_tbl ovs_vxlan_ext_key_lens[OVS_VXLAN_EXT_MAX + 1] = {
+	[OVS_VXLAN_EXT_GBP]	    = { .len = sizeof(u32) },
+};
+
 static const struct ovs_len_tbl ovs_tunnel_key_lens[OVS_TUNNEL_KEY_ATTR_MAX + 1] = {
 	[OVS_TUNNEL_KEY_ATTR_ID]	    = { .len = sizeof(u64) },
 	[OVS_TUNNEL_KEY_ATTR_IPV4_SRC]	    = { .len = sizeof(u32) },
@@ -315,8 +320,9 @@
 	[OVS_TUNNEL_KEY_ATTR_TP_SRC]	    = { .len = sizeof(u16) },
 	[OVS_TUNNEL_KEY_ATTR_TP_DST]	    = { .len = sizeof(u16) },
 	[OVS_TUNNEL_KEY_ATTR_OAM]	    = { .len = 0 },
-	[OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS]   = { .len = OVS_ATTR_NESTED },
-	[OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS]    = { .len = OVS_ATTR_NESTED },
+	[OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS]   = { .len = OVS_ATTR_VARIABLE },
+	[OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS]    = { .len = OVS_ATTR_NESTED,
+						.next = ovs_vxlan_ext_key_lens },
 };
 
 /* The size of the argument for each %OVS_KEY_ATTR_* Netlink attribute.  */
@@ -349,6 +355,13 @@
 	[OVS_KEY_ATTR_CT_LABEL]	 = { .len = sizeof(struct ovs_key_ct_label) },
 };
 
+static bool check_attr_len(unsigned int attr_len, unsigned int expected_len)
+{
+	return expected_len == attr_len ||
+	       expected_len == OVS_ATTR_NESTED ||
+	       expected_len == OVS_ATTR_VARIABLE;
+}
+
 static bool is_all_zero(const u8 *fp, size_t size)
 {
 	int i;
@@ -388,7 +401,7 @@
 		}
 
 		expected_len = ovs_key_lens[type].len;
-		if (nla_len(nla) != expected_len && expected_len != OVS_ATTR_NESTED) {
+		if (!check_attr_len(nla_len(nla), expected_len)) {
 			OVS_NLERR(log, "Key %d has unexpected len %d expected %d",
 				  type, nla_len(nla), expected_len);
 			return -EINVAL;
@@ -473,29 +486,50 @@
 	return 0;
 }
 
-static const struct nla_policy vxlan_opt_policy[OVS_VXLAN_EXT_MAX + 1] = {
-	[OVS_VXLAN_EXT_GBP]	= { .type = NLA_U32 },
-};
-
-static int vxlan_tun_opt_from_nlattr(const struct nlattr *a,
+static int vxlan_tun_opt_from_nlattr(const struct nlattr *attr,
 				     struct sw_flow_match *match, bool is_mask,
 				     bool log)
 {
-	struct nlattr *tb[OVS_VXLAN_EXT_MAX+1];
+	struct nlattr *a;
+	int rem;
 	unsigned long opt_key_offset;
 	struct vxlan_metadata opts;
-	int err;
 
 	BUILD_BUG_ON(sizeof(opts) > sizeof(match->key->tun_opts));
 
-	err = nla_parse_nested(tb, OVS_VXLAN_EXT_MAX, a, vxlan_opt_policy);
-	if (err < 0)
-		return err;
-
 	memset(&opts, 0, sizeof(opts));
+	nla_for_each_nested(a, attr, rem) {
+		int type = nla_type(a);
 
-	if (tb[OVS_VXLAN_EXT_GBP])
-		opts.gbp = nla_get_u32(tb[OVS_VXLAN_EXT_GBP]);
+		if (type > OVS_VXLAN_EXT_MAX) {
+			OVS_NLERR(log, "VXLAN extension %d out of range max %d",
+				  type, OVS_VXLAN_EXT_MAX);
+			return -EINVAL;
+		}
+
+		if (!check_attr_len(nla_len(a),
+				    ovs_vxlan_ext_key_lens[type].len)) {
+			OVS_NLERR(log, "VXLAN extension %d has unexpected len %d expected %d",
+				  type, nla_len(a),
+				  ovs_vxlan_ext_key_lens[type].len);
+			return -EINVAL;
+		}
+
+		switch (type) {
+		case OVS_VXLAN_EXT_GBP:
+			opts.gbp = nla_get_u32(a);
+			break;
+		default:
+			OVS_NLERR(log, "Unknown VXLAN extension attribute %d",
+				  type);
+			return -EINVAL;
+		}
+	}
+	if (rem) {
+		OVS_NLERR(log, "VXLAN extension message has %d unknown bytes.",
+			  rem);
+		return -EINVAL;
+	}
 
 	if (!is_mask)
 		SW_FLOW_KEY_PUT(match, tun_opts_len, sizeof(opts), false);
@@ -528,8 +562,8 @@
 			return -EINVAL;
 		}
 
-		if (ovs_tunnel_key_lens[type].len != nla_len(a) &&
-		    ovs_tunnel_key_lens[type].len != OVS_ATTR_NESTED) {
+		if (!check_attr_len(nla_len(a),
+				    ovs_tunnel_key_lens[type].len)) {
 			OVS_NLERR(log, "Tunnel attr %d has unexpected len %d expected %d",
 				  type, nla_len(a), ovs_tunnel_key_lens[type].len);
 			return -EINVAL;
@@ -1052,10 +1086,13 @@
 
 	/* The nlattr stream should already have been validated */
 	nla_for_each_nested(nla, attr, rem) {
-		if (tbl && tbl[nla_type(nla)].len == OVS_ATTR_NESTED)
-			nlattr_set(nla, val, tbl[nla_type(nla)].next);
-		else
+		if (tbl[nla_type(nla)].len == OVS_ATTR_NESTED) {
+			if (tbl[nla_type(nla)].next)
+				tbl = tbl[nla_type(nla)].next;
+			nlattr_set(nla, val, tbl);
+		} else {
 			memset(nla_data(nla), val, nla_len(nla));
+		}
 	}
 }
 
@@ -1922,8 +1959,7 @@
 		key_len /= 2;
 
 	if (key_type > OVS_KEY_ATTR_MAX ||
-	    (ovs_key_lens[key_type].len != key_len &&
-	     ovs_key_lens[key_type].len != OVS_ATTR_NESTED))
+	    !check_attr_len(key_len, ovs_key_lens[key_type].len))
 		return -EINVAL;
 
 	if (masked && !validate_masked(nla_data(ovs_key), key_len))
diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
index d22d8e9..f2ea83b 100644
--- a/net/openvswitch/flow_table.c
+++ b/net/openvswitch/flow_table.c
@@ -57,20 +57,21 @@
 }
 
 void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src,
-		       const struct sw_flow_mask *mask)
+		       bool full, const struct sw_flow_mask *mask)
 {
-	const long *m = (const long *)((const u8 *)&mask->key +
-				mask->range.start);
-	const long *s = (const long *)((const u8 *)src +
-				mask->range.start);
-	long *d = (long *)((u8 *)dst + mask->range.start);
+	int start = full ? 0 : mask->range.start;
+	int len = full ? sizeof *dst : range_n_bytes(&mask->range);
+	const long *m = (const long *)((const u8 *)&mask->key + start);
+	const long *s = (const long *)((const u8 *)src + start);
+	long *d = (long *)((u8 *)dst + start);
 	int i;
 
-	/* The memory outside of the 'mask->range' are not set since
-	 * further operations on 'dst' only uses contents within
-	 * 'mask->range'.
+	/* If 'full' is true then all of 'dst' is fully initialized. Otherwise,
+	 * if 'full' is false the memory outside of the 'mask->range' is left
+	 * uninitialized. This can be used as an optimization when further
+	 * operations on 'dst' only use contents within 'mask->range'.
 	 */
-	for (i = 0; i < range_n_bytes(&mask->range); i += sizeof(long))
+	for (i = 0; i < len; i += sizeof(long))
 		*d++ = *s++ & *m++;
 }
 
@@ -475,7 +476,7 @@
 	u32 hash;
 	struct sw_flow_key masked_key;
 
-	ovs_flow_mask_key(&masked_key, unmasked, mask);
+	ovs_flow_mask_key(&masked_key, unmasked, false, mask);
 	hash = flow_hash(&masked_key, &mask->range);
 	head = find_bucket(ti, hash);
 	hlist_for_each_entry_rcu(flow, head, flow_table.node[ti->node_ver]) {
diff --git a/net/openvswitch/flow_table.h b/net/openvswitch/flow_table.h
index 616eda1..2dd9900 100644
--- a/net/openvswitch/flow_table.h
+++ b/net/openvswitch/flow_table.h
@@ -86,5 +86,5 @@
 bool ovs_flow_cmp(const struct sw_flow *, const struct sw_flow_match *);
 
 void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src,
-		       const struct sw_flow_mask *mask);
+		       bool full, const struct sw_flow_mask *mask);
 #endif /* flow_table.h */
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 7b8e39a..aa4b15c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -230,6 +230,8 @@
 	} sa;
 };
 
+#define vio_le() virtio_legacy_is_little_endian()
+
 #define PACKET_SKB_CB(__skb)	((struct packet_skb_cb *)((__skb)->cb))
 
 #define GET_PBDQC_FROM_RB(x)	((struct tpacket_kbdq_core *)(&(x)->prb_bdqc))
@@ -2680,15 +2682,15 @@
 			goto out_unlock;
 
 		if ((vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) &&
-		    (__virtio16_to_cpu(false, vnet_hdr.csum_start) +
-		     __virtio16_to_cpu(false, vnet_hdr.csum_offset) + 2 >
-		      __virtio16_to_cpu(false, vnet_hdr.hdr_len)))
-			vnet_hdr.hdr_len = __cpu_to_virtio16(false,
-				 __virtio16_to_cpu(false, vnet_hdr.csum_start) +
-				__virtio16_to_cpu(false, vnet_hdr.csum_offset) + 2);
+		    (__virtio16_to_cpu(vio_le(), vnet_hdr.csum_start) +
+		     __virtio16_to_cpu(vio_le(), vnet_hdr.csum_offset) + 2 >
+		      __virtio16_to_cpu(vio_le(), vnet_hdr.hdr_len)))
+			vnet_hdr.hdr_len = __cpu_to_virtio16(vio_le(),
+				 __virtio16_to_cpu(vio_le(), vnet_hdr.csum_start) +
+				__virtio16_to_cpu(vio_le(), vnet_hdr.csum_offset) + 2);
 
 		err = -EINVAL;
-		if (__virtio16_to_cpu(false, vnet_hdr.hdr_len) > len)
+		if (__virtio16_to_cpu(vio_le(), vnet_hdr.hdr_len) > len)
 			goto out_unlock;
 
 		if (vnet_hdr.gso_type != VIRTIO_NET_HDR_GSO_NONE) {
@@ -2731,7 +2733,7 @@
 	hlen = LL_RESERVED_SPACE(dev);
 	tlen = dev->needed_tailroom;
 	skb = packet_alloc_skb(sk, hlen + tlen, hlen, len,
-			       __virtio16_to_cpu(false, vnet_hdr.hdr_len),
+			       __virtio16_to_cpu(vio_le(), vnet_hdr.hdr_len),
 			       msg->msg_flags & MSG_DONTWAIT, &err);
 	if (skb == NULL)
 		goto out_unlock;
@@ -2778,8 +2780,8 @@
 
 	if (po->has_vnet_hdr) {
 		if (vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {
-			u16 s = __virtio16_to_cpu(false, vnet_hdr.csum_start);
-			u16 o = __virtio16_to_cpu(false, vnet_hdr.csum_offset);
+			u16 s = __virtio16_to_cpu(vio_le(), vnet_hdr.csum_start);
+			u16 o = __virtio16_to_cpu(vio_le(), vnet_hdr.csum_offset);
 			if (!skb_partial_csum_set(skb, s, o)) {
 				err = -EINVAL;
 				goto out_free;
@@ -2787,7 +2789,7 @@
 		}
 
 		skb_shinfo(skb)->gso_size =
-			__virtio16_to_cpu(false, vnet_hdr.gso_size);
+			__virtio16_to_cpu(vio_le(), vnet_hdr.gso_size);
 		skb_shinfo(skb)->gso_type = gso_type;
 
 		/* Header must be checked, and gso_segs computed. */
@@ -3161,9 +3163,9 @@
 
 			/* This is a hint as to how much should be linear. */
 			vnet_hdr.hdr_len =
-				__cpu_to_virtio16(false, skb_headlen(skb));
+				__cpu_to_virtio16(vio_le(), skb_headlen(skb));
 			vnet_hdr.gso_size =
-				__cpu_to_virtio16(false, sinfo->gso_size);
+				__cpu_to_virtio16(vio_le(), sinfo->gso_size);
 			if (sinfo->gso_type & SKB_GSO_TCPV4)
 				vnet_hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
 			else if (sinfo->gso_type & SKB_GSO_TCPV6)
@@ -3181,9 +3183,9 @@
 
 		if (skb->ip_summed == CHECKSUM_PARTIAL) {
 			vnet_hdr.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
-			vnet_hdr.csum_start = __cpu_to_virtio16(false,
+			vnet_hdr.csum_start = __cpu_to_virtio16(vio_le(),
 					  skb_checksum_start_offset(skb));
-			vnet_hdr.csum_offset = __cpu_to_virtio16(false,
+			vnet_hdr.csum_offset = __cpu_to_virtio16(vio_le(),
 							 skb->csum_offset);
 		} else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
 			vnet_hdr.flags = VIRTIO_NET_HDR_F_DATA_VALID;
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 715e01e..f23a3b6 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -33,7 +33,6 @@
 
 struct fw_head {
 	u32			mask;
-	bool			mask_set;
 	struct fw_filter __rcu	*ht[HTSIZE];
 	struct rcu_head		rcu;
 };
@@ -84,7 +83,7 @@
 			}
 		}
 	} else {
-		/* old method */
+		/* Old method: classify the packet using its skb mark. */
 		if (id && (TC_H_MAJ(id) == 0 ||
 			   !(TC_H_MAJ(id ^ tp->q->handle)))) {
 			res->classid = id;
@@ -114,14 +113,9 @@
 
 static int fw_init(struct tcf_proto *tp)
 {
-	struct fw_head *head;
-
-	head = kzalloc(sizeof(struct fw_head), GFP_KERNEL);
-	if (head == NULL)
-		return -ENOBUFS;
-
-	head->mask_set = false;
-	rcu_assign_pointer(tp->root, head);
+	/* We don't allocate fw_head here, because in the old method
+	 * we don't need it at all.
+	 */
 	return 0;
 }
 
@@ -252,7 +246,7 @@
 	int err;
 
 	if (!opt)
-		return handle ? -EINVAL : 0;
+		return handle ? -EINVAL : 0; /* Succeed if it is old method. */
 
 	err = nla_parse_nested(tb, TCA_FW_MAX, opt, fw_policy);
 	if (err < 0)
@@ -302,11 +296,17 @@
 	if (!handle)
 		return -EINVAL;
 
-	if (!head->mask_set) {
-		head->mask = 0xFFFFFFFF;
+	if (!head) {
+		u32 mask = 0xFFFFFFFF;
 		if (tb[TCA_FW_MASK])
-			head->mask = nla_get_u32(tb[TCA_FW_MASK]);
-		head->mask_set = true;
+			mask = nla_get_u32(tb[TCA_FW_MASK]);
+
+		head = kzalloc(sizeof(*head), GFP_KERNEL);
+		if (!head)
+			return -ENOBUFS;
+		head->mask = mask;
+
+		rcu_assign_pointer(tp->root, head);
 	}
 
 	f = kzalloc(sizeof(struct fw_filter), GFP_KERNEL);
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 197c3f5..b00f1f9 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1208,20 +1208,22 @@
  *   within this document.
  *
  * Our basic strategy is to round-robin transports in priorities
- * according to sctp_state_prio_map[] e.g., if no such
+ * according to sctp_trans_score() e.g., if no such
  * transport with state SCTP_ACTIVE exists, round-robin through
  * SCTP_UNKNOWN, etc. You get the picture.
  */
-static const u8 sctp_trans_state_to_prio_map[] = {
-	[SCTP_ACTIVE]	= 3,	/* best case */
-	[SCTP_UNKNOWN]	= 2,
-	[SCTP_PF]	= 1,
-	[SCTP_INACTIVE] = 0,	/* worst case */
-};
-
 static u8 sctp_trans_score(const struct sctp_transport *trans)
 {
-	return sctp_trans_state_to_prio_map[trans->state];
+	switch (trans->state) {
+	case SCTP_ACTIVE:
+		return 3;	/* best case */
+	case SCTP_UNKNOWN:
+		return 2;
+	case SCTP_PF:
+		return 1;
+	default: /* case SCTP_INACTIVE */
+		return 0;	/* worst case */
+	}
 }
 
 static struct sctp_transport *sctp_trans_elect_tie(struct sctp_transport *trans1,
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index b714333..3d9ea9a 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1186,7 +1186,7 @@
 	unregister_inetaddr_notifier(&sctp_inetaddr_notifier);
 }
 
-static int __net_init sctp_net_init(struct net *net)
+static int __net_init sctp_defaults_init(struct net *net)
 {
 	int status;
 
@@ -1279,12 +1279,6 @@
 
 	sctp_dbg_objcnt_init(net);
 
-	/* Initialize the control inode/socket for handling OOTB packets.  */
-	if ((status = sctp_ctl_sock_init(net))) {
-		pr_err("Failed to initialize the SCTP control sock\n");
-		goto err_ctl_sock_init;
-	}
-
 	/* Initialize the local address list. */
 	INIT_LIST_HEAD(&net->sctp.local_addr_list);
 	spin_lock_init(&net->sctp.local_addr_lock);
@@ -1300,9 +1294,6 @@
 
 	return 0;
 
-err_ctl_sock_init:
-	sctp_dbg_objcnt_exit(net);
-	sctp_proc_exit(net);
 err_init_proc:
 	cleanup_sctp_mibs(net);
 err_init_mibs:
@@ -1311,15 +1302,12 @@
 	return status;
 }
 
-static void __net_exit sctp_net_exit(struct net *net)
+static void __net_exit sctp_defaults_exit(struct net *net)
 {
 	/* Free the local address list */
 	sctp_free_addr_wq(net);
 	sctp_free_local_addr_list(net);
 
-	/* Free the control endpoint.  */
-	inet_ctl_sock_destroy(net->sctp.ctl_sock);
-
 	sctp_dbg_objcnt_exit(net);
 
 	sctp_proc_exit(net);
@@ -1327,9 +1315,32 @@
 	sctp_sysctl_net_unregister(net);
 }
 
-static struct pernet_operations sctp_net_ops = {
-	.init = sctp_net_init,
-	.exit = sctp_net_exit,
+static struct pernet_operations sctp_defaults_ops = {
+	.init = sctp_defaults_init,
+	.exit = sctp_defaults_exit,
+};
+
+static int __net_init sctp_ctrlsock_init(struct net *net)
+{
+	int status;
+
+	/* Initialize the control inode/socket for handling OOTB packets.  */
+	status = sctp_ctl_sock_init(net);
+	if (status)
+		pr_err("Failed to initialize the SCTP control sock\n");
+
+	return status;
+}
+
+static void __net_init sctp_ctrlsock_exit(struct net *net)
+{
+	/* Free the control endpoint.  */
+	inet_ctl_sock_destroy(net->sctp.ctl_sock);
+}
+
+static struct pernet_operations sctp_ctrlsock_ops = {
+	.init = sctp_ctrlsock_init,
+	.exit = sctp_ctrlsock_exit,
 };
 
 /* Initialize the universe into something sensible.  */
@@ -1462,8 +1473,11 @@
 	sctp_v4_pf_init();
 	sctp_v6_pf_init();
 
-	status = sctp_v4_protosw_init();
+	status = register_pernet_subsys(&sctp_defaults_ops);
+	if (status)
+		goto err_register_defaults;
 
+	status = sctp_v4_protosw_init();
 	if (status)
 		goto err_protosw_init;
 
@@ -1471,9 +1485,9 @@
 	if (status)
 		goto err_v6_protosw_init;
 
-	status = register_pernet_subsys(&sctp_net_ops);
+	status = register_pernet_subsys(&sctp_ctrlsock_ops);
 	if (status)
-		goto err_register_pernet_subsys;
+		goto err_register_ctrlsock;
 
 	status = sctp_v4_add_protocol();
 	if (status)
@@ -1489,12 +1503,14 @@
 err_v6_add_protocol:
 	sctp_v4_del_protocol();
 err_add_protocol:
-	unregister_pernet_subsys(&sctp_net_ops);
-err_register_pernet_subsys:
+	unregister_pernet_subsys(&sctp_ctrlsock_ops);
+err_register_ctrlsock:
 	sctp_v6_protosw_exit();
 err_v6_protosw_init:
 	sctp_v4_protosw_exit();
 err_protosw_init:
+	unregister_pernet_subsys(&sctp_defaults_ops);
+err_register_defaults:
 	sctp_v4_pf_exit();
 	sctp_v6_pf_exit();
 	sctp_sysctl_unregister();
@@ -1527,12 +1543,14 @@
 	sctp_v6_del_protocol();
 	sctp_v4_del_protocol();
 
-	unregister_pernet_subsys(&sctp_net_ops);
+	unregister_pernet_subsys(&sctp_ctrlsock_ops);
 
 	/* Free protosw registrations */
 	sctp_v6_protosw_exit();
 	sctp_v4_protosw_exit();
 
+	unregister_pernet_subsys(&sctp_defaults_ops);
+
 	/* Unregister with socket layer. */
 	sctp_v6_pf_exit();
 	sctp_v4_pf_exit();
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 35df126..6098d4c 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -244,12 +244,13 @@
 	int error;
 	struct sctp_transport *transport = (struct sctp_transport *) peer;
 	struct sctp_association *asoc = transport->asoc;
-	struct net *net = sock_net(asoc->base.sk);
+	struct sock *sk = asoc->base.sk;
+	struct net *net = sock_net(sk);
 
 	/* Check whether a task is in the sock.  */
 
-	bh_lock_sock(asoc->base.sk);
-	if (sock_owned_by_user(asoc->base.sk)) {
+	bh_lock_sock(sk);
+	if (sock_owned_by_user(sk)) {
 		pr_debug("%s: sock is busy\n", __func__);
 
 		/* Try again later.  */
@@ -272,10 +273,10 @@
 			   transport, GFP_ATOMIC);
 
 	if (error)
-		asoc->base.sk->sk_err = -error;
+		sk->sk_err = -error;
 
 out_unlock:
-	bh_unlock_sock(asoc->base.sk);
+	bh_unlock_sock(sk);
 	sctp_transport_put(transport);
 }
 
@@ -285,11 +286,12 @@
 static void sctp_generate_timeout_event(struct sctp_association *asoc,
 					sctp_event_timeout_t timeout_type)
 {
-	struct net *net = sock_net(asoc->base.sk);
+	struct sock *sk = asoc->base.sk;
+	struct net *net = sock_net(sk);
 	int error = 0;
 
-	bh_lock_sock(asoc->base.sk);
-	if (sock_owned_by_user(asoc->base.sk)) {
+	bh_lock_sock(sk);
+	if (sock_owned_by_user(sk)) {
 		pr_debug("%s: sock is busy: timer %d\n", __func__,
 			 timeout_type);
 
@@ -312,10 +314,10 @@
 			   (void *)timeout_type, GFP_ATOMIC);
 
 	if (error)
-		asoc->base.sk->sk_err = -error;
+		sk->sk_err = -error;
 
 out_unlock:
-	bh_unlock_sock(asoc->base.sk);
+	bh_unlock_sock(sk);
 	sctp_association_put(asoc);
 }
 
@@ -365,10 +367,11 @@
 	int error = 0;
 	struct sctp_transport *transport = (struct sctp_transport *) data;
 	struct sctp_association *asoc = transport->asoc;
-	struct net *net = sock_net(asoc->base.sk);
+	struct sock *sk = asoc->base.sk;
+	struct net *net = sock_net(sk);
 
-	bh_lock_sock(asoc->base.sk);
-	if (sock_owned_by_user(asoc->base.sk)) {
+	bh_lock_sock(sk);
+	if (sock_owned_by_user(sk)) {
 		pr_debug("%s: sock is busy\n", __func__);
 
 		/* Try again later.  */
@@ -388,11 +391,11 @@
 			   asoc->state, asoc->ep, asoc,
 			   transport, GFP_ATOMIC);
 
-	 if (error)
-		 asoc->base.sk->sk_err = -error;
+	if (error)
+		sk->sk_err = -error;
 
 out_unlock:
-	bh_unlock_sock(asoc->base.sk);
+	bh_unlock_sock(sk);
 	sctp_transport_put(transport);
 }
 
@@ -403,10 +406,11 @@
 {
 	struct sctp_transport *transport = (struct sctp_transport *) data;
 	struct sctp_association *asoc = transport->asoc;
-	struct net *net = sock_net(asoc->base.sk);
+	struct sock *sk = asoc->base.sk;
+	struct net *net = sock_net(sk);
 
-	bh_lock_sock(asoc->base.sk);
-	if (sock_owned_by_user(asoc->base.sk)) {
+	bh_lock_sock(sk);
+	if (sock_owned_by_user(sk)) {
 		pr_debug("%s: sock is busy\n", __func__);
 
 		/* Try again later.  */
@@ -427,7 +431,7 @@
 		   asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC);
 
 out_unlock:
-	bh_unlock_sock(asoc->base.sk);
+	bh_unlock_sock(sk);
 	sctp_association_put(asoc);
 }
 
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index b140c09..f14f24e 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -297,7 +297,7 @@
 	clear_bit(RPC_TASK_ACTIVE, &task->tk_runstate);
 	ret = atomic_dec_and_test(&task->tk_count);
 	if (waitqueue_active(wq))
-		__wake_up_locked_key(wq, TASK_NORMAL, 1, &k);
+		__wake_up_locked_key(wq, TASK_NORMAL, &k);
 	spin_unlock_irqrestore(&wq->lock, flags);
 	return ret;
 }
@@ -1092,14 +1092,10 @@
 rpc_destroy_mempool(void)
 {
 	rpciod_stop();
-	if (rpc_buffer_mempool)
-		mempool_destroy(rpc_buffer_mempool);
-	if (rpc_task_mempool)
-		mempool_destroy(rpc_task_mempool);
-	if (rpc_task_slabp)
-		kmem_cache_destroy(rpc_task_slabp);
-	if (rpc_buffer_slabp)
-		kmem_cache_destroy(rpc_buffer_slabp);
+	mempool_destroy(rpc_buffer_mempool);
+	mempool_destroy(rpc_task_mempool);
+	kmem_cache_destroy(rpc_task_slabp);
+	kmem_cache_destroy(rpc_buffer_slabp);
 	rpc_destroy_wait_queue(&delay_queue);
 }
 
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index ab5dd62..2e98f4a 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -614,6 +614,7 @@
 	clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
 	xprt->ops->close(xprt);
 	xprt_release_write(xprt, NULL);
+	wake_up_bit(&xprt->state, XPRT_LOCKED);
 }
 
 /**
@@ -723,6 +724,7 @@
 	xprt->ops->release_xprt(xprt, NULL);
 out:
 	spin_unlock_bh(&xprt->transport_lock);
+	wake_up_bit(&xprt->state, XPRT_LOCKED);
 }
 
 /**
@@ -1394,6 +1396,10 @@
 static void xprt_destroy(struct rpc_xprt *xprt)
 {
 	dprintk("RPC:       destroying transport %p\n", xprt);
+
+	/* Exclude transport connect/disconnect handlers */
+	wait_on_bit_lock(&xprt->state, XPRT_LOCKED, TASK_UNINTERRUPTIBLE);
+
 	del_timer_sync(&xprt->timer);
 
 	rpc_xprt_debugfs_unregister(xprt);
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c
index cb25c89..f1e8daf 100644
--- a/net/sunrpc/xprtrdma/fmr_ops.c
+++ b/net/sunrpc/xprtrdma/fmr_ops.c
@@ -39,25 +39,6 @@
 fmr_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
 	    struct rpcrdma_create_data_internal *cdata)
 {
-	struct ib_device_attr *devattr = &ia->ri_devattr;
-	struct ib_mr *mr;
-
-	/* Obtain an lkey to use for the regbufs, which are
-	 * protected from remote access.
-	 */
-	if (devattr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY) {
-		ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
-	} else {
-		mr = ib_get_dma_mr(ia->ri_pd, IB_ACCESS_LOCAL_WRITE);
-		if (IS_ERR(mr)) {
-			pr_err("%s: ib_get_dma_mr for failed with %lX\n",
-			       __func__, PTR_ERR(mr));
-			return -ENOMEM;
-		}
-		ia->ri_dma_lkey = ia->ri_dma_mr->lkey;
-		ia->ri_dma_mr = mr;
-	}
-
 	return 0;
 }
 
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index d6653f5..5318951 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -189,11 +189,6 @@
 	struct ib_device_attr *devattr = &ia->ri_devattr;
 	int depth, delta;
 
-	/* Obtain an lkey to use for the regbufs, which are
-	 * protected from remote access.
-	 */
-	ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
-
 	ia->ri_max_frmr_depth =
 			min_t(unsigned int, RPCRDMA_MAX_DATA_SEGS,
 			      devattr->max_fast_reg_page_list_len);
diff --git a/net/sunrpc/xprtrdma/physical_ops.c b/net/sunrpc/xprtrdma/physical_ops.c
index 72cf8b1..617b76f 100644
--- a/net/sunrpc/xprtrdma/physical_ops.c
+++ b/net/sunrpc/xprtrdma/physical_ops.c
@@ -23,7 +23,6 @@
 physical_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
 		 struct rpcrdma_create_data_internal *cdata)
 {
-	struct ib_device_attr *devattr = &ia->ri_devattr;
 	struct ib_mr *mr;
 
 	/* Obtain an rkey to use for RPC data payloads.
@@ -37,15 +36,8 @@
 		       __func__, PTR_ERR(mr));
 		return -ENOMEM;
 	}
+
 	ia->ri_dma_mr = mr;
-
-	/* Obtain an lkey to use for regbufs.
-	 */
-	if (devattr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
-		ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
-	else
-		ia->ri_dma_lkey = ia->ri_dma_mr->lkey;
-
 	return 0;
 }
 
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index cb51742..5f6ca47 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -136,7 +136,8 @@
 	ctxt->direction = DMA_FROM_DEVICE;
 	ctxt->read_hdr = head;
 	pages_needed = min_t(int, pages_needed, xprt->sc_max_sge_rd);
-	read = min_t(int, pages_needed << PAGE_SHIFT, rs_length);
+	read = min_t(int, (pages_needed << PAGE_SHIFT) - *page_offset,
+		     rs_length);
 
 	for (pno = 0; pno < pages_needed; pno++) {
 		int len = min_t(int, rs_length, PAGE_SIZE - pg_off);
@@ -235,7 +236,8 @@
 	ctxt->direction = DMA_FROM_DEVICE;
 	ctxt->frmr = frmr;
 	pages_needed = min_t(int, pages_needed, xprt->sc_frmr_pg_list_len);
-	read = min_t(int, pages_needed << PAGE_SHIFT, rs_length);
+	read = min_t(int, (pages_needed << PAGE_SHIFT) - *page_offset,
+		     rs_length);
 
 	frmr->kva = page_address(rqstp->rq_arg.pages[pg_no]);
 	frmr->direction = DMA_FROM_DEVICE;
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 64443eb..41e452b 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -270,8 +270,8 @@
 
 	xprt_clear_connected(xprt);
 
-	rpcrdma_buffer_destroy(&r_xprt->rx_buf);
 	rpcrdma_ep_destroy(&r_xprt->rx_ep, &r_xprt->rx_ia);
+	rpcrdma_buffer_destroy(&r_xprt->rx_buf);
 	rpcrdma_ia_close(&r_xprt->rx_ia);
 
 	xprt_rdma_free_addresses(xprt);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 6829967..8a477e2 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -755,19 +755,22 @@
 
 	cancel_delayed_work_sync(&ep->rep_connect_worker);
 
-	if (ia->ri_id->qp) {
+	if (ia->ri_id->qp)
 		rpcrdma_ep_disconnect(ep, ia);
+
+	rpcrdma_clean_cq(ep->rep_attr.recv_cq);
+	rpcrdma_clean_cq(ep->rep_attr.send_cq);
+
+	if (ia->ri_id->qp) {
 		rdma_destroy_qp(ia->ri_id);
 		ia->ri_id->qp = NULL;
 	}
 
-	rpcrdma_clean_cq(ep->rep_attr.recv_cq);
 	rc = ib_destroy_cq(ep->rep_attr.recv_cq);
 	if (rc)
 		dprintk("RPC:       %s: ib_destroy_cq returned %i\n",
 			__func__, rc);
 
-	rpcrdma_clean_cq(ep->rep_attr.send_cq);
 	rc = ib_destroy_cq(ep->rep_attr.send_cq);
 	if (rc)
 		dprintk("RPC:       %s: ib_destroy_cq returned %i\n",
@@ -1252,7 +1255,7 @@
 		goto out_free;
 
 	iov->length = size;
-	iov->lkey = ia->ri_dma_lkey;
+	iov->lkey = ia->ri_pd->local_dma_lkey;
 	rb->rg_size = size;
 	rb->rg_owner = NULL;
 	return rb;
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 0251222..c09414e 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -65,7 +65,6 @@
 	struct rdma_cm_id 	*ri_id;
 	struct ib_pd		*ri_pd;
 	struct ib_mr		*ri_dma_mr;
-	u32			ri_dma_lkey;
 	struct completion	ri_done;
 	int			ri_async_rc;
 	unsigned int		ri_max_frmr_depth;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7be90bc..1a85e0e 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -777,7 +777,6 @@
 	xs_sock_reset_connection_flags(xprt);
 	/* Mark transport as closed and wake up all pending tasks */
 	xprt_disconnect_done(xprt);
-	xprt_force_disconnect(xprt);
 }
 
 /**
@@ -881,8 +880,11 @@
  */
 static void xs_destroy(struct rpc_xprt *xprt)
 {
+	struct sock_xprt *transport = container_of(xprt,
+			struct sock_xprt, xprt);
 	dprintk("RPC:       xs_destroy xprt %p\n", xprt);
 
+	cancel_delayed_work_sync(&transport->connect_worker);
 	xs_close(xprt);
 	xs_xprt_free(xprt);
 	module_put(THIS_MODULE);
@@ -1435,6 +1437,7 @@
 static void xs_tcp_state_change(struct sock *sk)
 {
 	struct rpc_xprt *xprt;
+	struct sock_xprt *transport;
 
 	read_lock_bh(&sk->sk_callback_lock);
 	if (!(xprt = xprt_from_sock(sk)))
@@ -1446,13 +1449,12 @@
 			sock_flag(sk, SOCK_ZAPPED),
 			sk->sk_shutdown);
 
+	transport = container_of(xprt, struct sock_xprt, xprt);
 	trace_rpc_socket_state_change(xprt, sk->sk_socket);
 	switch (sk->sk_state) {
 	case TCP_ESTABLISHED:
 		spin_lock(&xprt->transport_lock);
 		if (!xprt_test_and_set_connected(xprt)) {
-			struct sock_xprt *transport = container_of(xprt,
-					struct sock_xprt, xprt);
 
 			/* Reset TCP record info */
 			transport->tcp_offset = 0;
@@ -1461,6 +1463,8 @@
 			transport->tcp_flags =
 				TCP_RCV_COPY_FRAGHDR | TCP_RCV_COPY_XID;
 			xprt->connect_cookie++;
+			clear_bit(XPRT_SOCK_CONNECTING, &transport->sock_state);
+			xprt_clear_connecting(xprt);
 
 			xprt_wake_pending_tasks(xprt, -EAGAIN);
 		}
@@ -1496,6 +1500,9 @@
 		smp_mb__after_atomic();
 		break;
 	case TCP_CLOSE:
+		if (test_and_clear_bit(XPRT_SOCK_CONNECTING,
+					&transport->sock_state))
+			xprt_clear_connecting(xprt);
 		xs_sock_mark_closed(xprt);
 	}
  out:
@@ -2179,6 +2186,7 @@
 	/* Tell the socket layer to start connecting... */
 	xprt->stat.connect_count++;
 	xprt->stat.connect_start = jiffies;
+	set_bit(XPRT_SOCK_CONNECTING, &transport->sock_state);
 	ret = kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK);
 	switch (ret) {
 	case 0:
@@ -2240,7 +2248,6 @@
 	case -EINPROGRESS:
 	case -EALREADY:
 		xprt_unlock_connect(xprt, transport);
-		xprt_clear_connecting(xprt);
 		return;
 	case -EINVAL:
 		/* Happens, for instance, if the user specified a link
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 562c926..c5ac436 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -539,6 +539,7 @@
 	*err = -TIPC_ERR_NO_NAME;
 	if (skb_linearize(skb))
 		return false;
+	msg = buf_msg(skb);
 	if (msg_reroute_cnt(msg))
 		return false;
 	dnode = addr_domain(net, msg_lookup_scope(msg));
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 03ee4d3..ef31b40 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2179,8 +2179,21 @@
 			if (UNIXCB(skb).fp)
 				scm.fp = scm_fp_dup(UNIXCB(skb).fp);
 
-			sk_peek_offset_fwd(sk, chunk);
+			if (skip) {
+				sk_peek_offset_fwd(sk, chunk);
+				skip -= chunk;
+			}
 
+			if (UNIXCB(skb).fp)
+				break;
+
+			last = skb;
+			last_len = skb->len;
+			unix_state_lock(sk);
+			skb = skb_peek_next(skb, &sk->sk_receive_queue);
+			if (skb)
+				goto again;
+			unix_state_unlock(sk);
 			break;
 		}
 	} while (size);
diff --git a/samples/kprobes/jprobe_example.c b/samples/kprobes/jprobe_example.c
index 9119ac6..c285a3b 100644
--- a/samples/kprobes/jprobe_example.c
+++ b/samples/kprobes/jprobe_example.c
@@ -1,13 +1,13 @@
 /*
  * Here's a sample kernel module showing the use of jprobes to dump
- * the arguments of do_fork().
+ * the arguments of _do_fork().
  *
  * For more information on theory of operation of jprobes, see
  * Documentation/kprobes.txt
  *
  * Build and insert the kernel module as done in the kprobe example.
  * You will see the trace data in /var/log/messages and on the
- * console whenever do_fork() is invoked to create a new process.
+ * console whenever _do_fork() is invoked to create a new process.
  * (Some messages may be suppressed if syslogd is configured to
  * eliminate duplicate messages.)
  */
@@ -17,13 +17,13 @@
 #include <linux/kprobes.h>
 
 /*
- * Jumper probe for do_fork.
+ * Jumper probe for _do_fork.
  * Mirror principle enables access to arguments of the probed routine
  * from the probe handler.
  */
 
-/* Proxy routine having the same arguments as actual do_fork() routine */
-static long jdo_fork(unsigned long clone_flags, unsigned long stack_start,
+/* Proxy routine having the same arguments as actual _do_fork() routine */
+static long j_do_fork(unsigned long clone_flags, unsigned long stack_start,
 	      unsigned long stack_size, int __user *parent_tidptr,
 	      int __user *child_tidptr)
 {
@@ -36,9 +36,9 @@
 }
 
 static struct jprobe my_jprobe = {
-	.entry			= jdo_fork,
+	.entry			= j_do_fork,
 	.kp = {
-		.symbol_name	= "do_fork",
+		.symbol_name	= "_do_fork",
 	},
 };
 
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 366db1a..727eb21 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -1,13 +1,13 @@
 /*
  * NOTE: This example is works on x86 and powerpc.
  * Here's a sample kernel module showing the use of kprobes to dump a
- * stack trace and selected registers when do_fork() is called.
+ * stack trace and selected registers when _do_fork() is called.
  *
  * For more information on theory of operation of kprobes, see
  * Documentation/kprobes.txt
  *
  * You will see the trace data in /var/log/messages and on the console
- * whenever do_fork() is invoked to create a new process.
+ * whenever _do_fork() is invoked to create a new process.
  */
 
 #include <linux/kernel.h>
@@ -16,7 +16,7 @@
 
 /* For each probe you need to allocate a kprobe structure */
 static struct kprobe kp = {
-	.symbol_name	= "do_fork",
+	.symbol_name	= "_do_fork",
 };
 
 /* kprobe pre_handler: called just before the probed instruction is executed */
diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c
index 1041b67..ebb1d1a 100644
--- a/samples/kprobes/kretprobe_example.c
+++ b/samples/kprobes/kretprobe_example.c
@@ -7,7 +7,7 @@
  *
  * usage: insmod kretprobe_example.ko func=<func_name>
  *
- * If no func_name is specified, do_fork is instrumented
+ * If no func_name is specified, _do_fork is instrumented
  *
  * For more information on theory of operation of kretprobes, see
  * Documentation/kprobes.txt
@@ -25,7 +25,7 @@
 #include <linux/limits.h>
 #include <linux/sched.h>
 
-static char func_name[NAME_MAX] = "do_fork";
+static char func_name[NAME_MAX] = "_do_fork";
 module_param_string(func, func_name, NAME_MAX, S_IRUGO);
 MODULE_PARM_DESC(func, "Function to kretprobe; this module will report the"
 			" function's execution time");
diff --git a/scripts/extract-cert.c b/scripts/extract-cert.c
index 10d23ca..b071bf4 100644
--- a/scripts/extract-cert.c
+++ b/scripts/extract-cert.c
@@ -1,15 +1,15 @@
 /* Extract X.509 certificate in DER form from PKCS#11 or PEM.
  *
- * Copyright © 2014 Red Hat, Inc. All Rights Reserved.
- * Copyright © 2015 Intel Corporation.
+ * Copyright © 2014-2015 Red Hat, Inc. All Rights Reserved.
+ * Copyright © 2015      Intel Corporation.
  *
  * Authors: David Howells <dhowells@redhat.com>
  *          David Woodhouse <dwmw2@infradead.org>
  *
  * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the licence, or (at your option) any later version.
  */
 #define _GNU_SOURCE
 #include <stdio.h>
@@ -17,13 +17,9 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <string.h>
-#include <getopt.h>
 #include <err.h>
-#include <arpa/inet.h>
 #include <openssl/bio.h>
-#include <openssl/evp.h>
 #include <openssl/pem.h>
-#include <openssl/pkcs7.h>
 #include <openssl/err.h>
 #include <openssl/engine.h>
 
diff --git a/scripts/sign-file.c b/scripts/sign-file.c
index 058bba3..250a7a6 100755
--- a/scripts/sign-file.c
+++ b/scripts/sign-file.c
@@ -1,12 +1,15 @@
 /* Sign a module file using the given key.
  *
- * Copyright (C) 2014 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
+ * Copyright © 2014-2015 Red Hat, Inc. All Rights Reserved.
+ * Copyright © 2015      Intel Corporation.
+ *
+ * Authors: David Howells <dhowells@redhat.com>
+ *          David Woodhouse <dwmw2@infradead.org>
  *
  * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the licence, or (at your option) any later version.
  */
 #define _GNU_SOURCE
 #include <stdio.h>
@@ -17,13 +20,34 @@
 #include <getopt.h>
 #include <err.h>
 #include <arpa/inet.h>
+#include <openssl/opensslv.h>
 #include <openssl/bio.h>
 #include <openssl/evp.h>
 #include <openssl/pem.h>
-#include <openssl/cms.h>
 #include <openssl/err.h>
 #include <openssl/engine.h>
 
+/*
+ * Use CMS if we have openssl-1.0.0 or newer available - otherwise we have to
+ * assume that it's not available and its header file is missing and that we
+ * should use PKCS#7 instead.  Switching to the older PKCS#7 format restricts
+ * the options we have on specifying the X.509 certificate we want.
+ *
+ * Further, older versions of OpenSSL don't support manually adding signers to
+ * the PKCS#7 message so have to accept that we get a certificate included in
+ * the signature message.  Nor do such older versions of OpenSSL support
+ * signing with anything other than SHA1 - so we're stuck with that if such is
+ * the case.
+ */
+#if OPENSSL_VERSION_NUMBER < 0x10000000L
+#define USE_PKCS7
+#endif
+#ifndef USE_PKCS7
+#include <openssl/cms.h>
+#else
+#include <openssl/pkcs7.h>
+#endif
+
 struct module_signature {
 	uint8_t		algo;		/* Public-key crypto algorithm [0] */
 	uint8_t		hash;		/* Digest algorithm [0] */
@@ -107,30 +131,42 @@
 	struct module_signature sig_info = { .id_type = PKEY_ID_PKCS7 };
 	char *hash_algo = NULL;
 	char *private_key_name, *x509_name, *module_name, *dest_name;
-	bool save_cms = false, replace_orig;
+	bool save_sig = false, replace_orig;
 	bool sign_only = false;
 	unsigned char buf[4096];
-	unsigned long module_size, cms_size;
-	unsigned int use_keyid = 0, use_signed_attrs = CMS_NOATTR;
+	unsigned long module_size, sig_size;
+	unsigned int use_signed_attrs;
 	const EVP_MD *digest_algo;
 	EVP_PKEY *private_key;
+#ifndef USE_PKCS7
 	CMS_ContentInfo *cms;
+	unsigned int use_keyid = 0;
+#else
+	PKCS7 *pkcs7;
+#endif
 	X509 *x509;
 	BIO *b, *bd = NULL, *bm;
 	int opt, n;
-
 	OpenSSL_add_all_algorithms();
 	ERR_load_crypto_strings();
 	ERR_clear_error();
 
 	key_pass = getenv("KBUILD_SIGN_PIN");
 
+#ifndef USE_PKCS7
+	use_signed_attrs = CMS_NOATTR;
+#else
+	use_signed_attrs = PKCS7_NOATTR;
+#endif
+
 	do {
 		opt = getopt(argc, argv, "dpk");
 		switch (opt) {
-		case 'p': save_cms = true; break;
-		case 'd': sign_only = true; save_cms = true; break;
+		case 'p': save_sig = true; break;
+		case 'd': sign_only = true; save_sig = true; break;
+#ifndef USE_PKCS7
 		case 'k': use_keyid = CMS_USE_KEYID; break;
+#endif
 		case -1: break;
 		default: format();
 		}
@@ -154,6 +190,14 @@
 		replace_orig = true;
 	}
 
+#ifdef USE_PKCS7
+	if (strcmp(hash_algo, "sha1") != 0) {
+		fprintf(stderr, "sign-file: %s only supports SHA1 signing\n",
+			OPENSSL_VERSION_TEXT);
+		exit(3);
+	}
+#endif
+
 	/* Read the private key and the X.509 cert the PKCS#7 message
 	 * will point to.
 	 */
@@ -210,7 +254,8 @@
 	bm = BIO_new_file(module_name, "rb");
 	ERR(!bm, "%s", module_name);
 
-	/* Load the CMS message from the digest buffer. */
+#ifndef USE_PKCS7
+	/* Load the signature message from the digest buffer. */
 	cms = CMS_sign(NULL, NULL, NULL, NULL,
 		       CMS_NOCERTS | CMS_PARTIAL | CMS_BINARY | CMS_DETACHED | CMS_STREAM);
 	ERR(!cms, "CMS_sign");
@@ -218,17 +263,31 @@
 	ERR(!CMS_add1_signer(cms, x509, private_key, digest_algo,
 			     CMS_NOCERTS | CMS_BINARY | CMS_NOSMIMECAP |
 			     use_keyid | use_signed_attrs),
-	    "CMS_sign_add_signer");
+	    "CMS_add1_signer");
 	ERR(CMS_final(cms, bm, NULL, CMS_NOCERTS | CMS_BINARY) < 0,
 	    "CMS_final");
 
-	if (save_cms) {
-		char *cms_name;
+#else
+	pkcs7 = PKCS7_sign(x509, private_key, NULL, bm,
+			   PKCS7_NOCERTS | PKCS7_BINARY |
+			   PKCS7_DETACHED | use_signed_attrs);
+	ERR(!pkcs7, "PKCS7_sign");
+#endif
 
-		ERR(asprintf(&cms_name, "%s.p7s", module_name) < 0, "asprintf");
-		b = BIO_new_file(cms_name, "wb");
-		ERR(!b, "%s", cms_name);
-		ERR(i2d_CMS_bio_stream(b, cms, NULL, 0) < 0, "%s", cms_name);
+	if (save_sig) {
+		char *sig_file_name;
+
+		ERR(asprintf(&sig_file_name, "%s.p7s", module_name) < 0,
+		    "asprintf");
+		b = BIO_new_file(sig_file_name, "wb");
+		ERR(!b, "%s", sig_file_name);
+#ifndef USE_PKCS7
+		ERR(i2d_CMS_bio_stream(b, cms, NULL, 0) < 0,
+		    "%s", sig_file_name);
+#else
+		ERR(i2d_PKCS7_bio(b, pkcs7) < 0,
+			"%s", sig_file_name);
+#endif
 		BIO_free(b);
 	}
 
@@ -244,9 +303,13 @@
 	ERR(n < 0, "%s", module_name);
 	module_size = BIO_number_written(bd);
 
+#ifndef USE_PKCS7
 	ERR(i2d_CMS_bio_stream(bd, cms, NULL, 0) < 0, "%s", dest_name);
-	cms_size = BIO_number_written(bd) - module_size;
-	sig_info.sig_len = htonl(cms_size);
+#else
+	ERR(i2d_PKCS7_bio(bd, pkcs7) < 0, "%s", dest_name);
+#endif
+	sig_size = BIO_number_written(bd) - module_size;
+	sig_info.sig_len = htonl(sig_size);
 	ERR(BIO_write(bd, &sig_info, sizeof(sig_info)) < 0, "%s", dest_name);
 	ERR(BIO_write(bd, magic_number, sizeof(magic_number) - 1) < 0, "%s", dest_name);
 
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 73455089..03c1652 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -401,7 +401,7 @@
 	bool match = false;
 
 	RCU_LOCKDEP_WARN(!rcu_read_lock_held() &&
-			 lockdep_is_held(&devcgroup_mutex),
+			 !lockdep_is_held(&devcgroup_mutex),
 			 "device_cgroup:verify_new_ex called without proper synchronization");
 
 	if (dev_cgroup->behavior == DEVCG_DEFAULT_ALLOW) {
diff --git a/security/keys/gc.c b/security/keys/gc.c
index c795237..39eac1f 100644
--- a/security/keys/gc.c
+++ b/security/keys/gc.c
@@ -134,6 +134,10 @@
 		kdebug("- %u", key->serial);
 		key_check(key);
 
+		/* Throw away the key data */
+		if (key->type->destroy)
+			key->type->destroy(key);
+
 		security_key_free(key);
 
 		/* deal with the user's key tracking and quota */
@@ -148,10 +152,6 @@
 		if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags))
 			atomic_dec(&key->user->nikeys);
 
-		/* now throw away the key memory */
-		if (key->type->destroy)
-			key->type->destroy(key);
-
 		key_user_put(key->user);
 
 		kfree(key->description);
diff --git a/sound/arm/Kconfig b/sound/arm/Kconfig
index 885683a..e040621 100644
--- a/sound/arm/Kconfig
+++ b/sound/arm/Kconfig
@@ -9,6 +9,14 @@
 	  Drivers that are implemented on ASoC can be found in
 	  "ALSA for SoC audio support" section.
 
+config SND_PXA2XX_LIB
+	tristate
+	select SND_AC97_CODEC if SND_PXA2XX_LIB_AC97
+	select SND_DMAENGINE_PCM
+
+config SND_PXA2XX_LIB_AC97
+	bool
+
 if SND_ARM
 
 config SND_ARMAACI
@@ -21,13 +29,6 @@
 	tristate
 	select SND_PCM
 
-config SND_PXA2XX_LIB
-	tristate
-	select SND_AC97_CODEC if SND_PXA2XX_LIB_AC97
-
-config SND_PXA2XX_LIB_AC97
-	bool
-
 config SND_PXA2XX_AC97
 	tristate "AC97 driver for the Intel PXA2xx chip"
 	depends on ARCH_PXA
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 477742c..58c0aad 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -73,6 +73,7 @@
 	struct clk *hda2codec_2x_clk;
 	struct clk *hda2hdmi_clk;
 	void __iomem *regs;
+	struct work_struct probe_work;
 };
 
 #ifdef CONFIG_PM
@@ -294,7 +295,9 @@
 static int hda_tegra_dev_free(struct snd_device *device)
 {
 	struct azx *chip = device->device_data;
+	struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip);
 
+	cancel_work_sync(&hda->probe_work);
 	if (azx_bus(chip)->chip_init) {
 		azx_stop_all_streams(chip);
 		azx_stop_chip(chip);
@@ -426,6 +429,9 @@
 /*
  * constructor
  */
+
+static void hda_tegra_probe_work(struct work_struct *work);
+
 static int hda_tegra_create(struct snd_card *card,
 			    unsigned int driver_caps,
 			    struct hda_tegra *hda)
@@ -452,6 +458,8 @@
 	chip->single_cmd = false;
 	chip->snoop = true;
 
+	INIT_WORK(&hda->probe_work, hda_tegra_probe_work);
+
 	err = azx_bus_init(chip, NULL, &hda_tegra_io_ops);
 	if (err < 0)
 		return err;
@@ -499,6 +507,21 @@
 	card->private_data = chip;
 
 	dev_set_drvdata(&pdev->dev, card);
+	schedule_work(&hda->probe_work);
+
+	return 0;
+
+out_free:
+	snd_card_free(card);
+	return err;
+}
+
+static void hda_tegra_probe_work(struct work_struct *work)
+{
+	struct hda_tegra *hda = container_of(work, struct hda_tegra, probe_work);
+	struct azx *chip = &hda->chip;
+	struct platform_device *pdev = to_platform_device(hda->dev);
+	int err;
 
 	err = hda_tegra_first_init(chip, pdev);
 	if (err < 0)
@@ -520,11 +543,8 @@
 	chip->running = 1;
 	snd_hda_set_power_save(&chip->bus, power_save * 1000);
 
-	return 0;
-
-out_free:
-	snd_card_free(card);
-	return err;
+ out_free:
+	return; /* no error return from async probe */
 }
 
 static int hda_tegra_remove(struct platform_device *pdev)
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 584a034..85813de 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -633,6 +633,7 @@
 	SND_PCI_QUIRK(0x106b, 0x5e00, "MacBookPro 11,2", CS4208_MBP11),
 	SND_PCI_QUIRK(0x106b, 0x7100, "MacBookAir 6,1", CS4208_MBA6),
 	SND_PCI_QUIRK(0x106b, 0x7200, "MacBookAir 6,2", CS4208_MBA6),
+	SND_PCI_QUIRK(0x106b, 0x7b00, "MacBookPro 12,1", CS4208_MBP11),
 	{} /* terminator */
 };
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a75b561..16b8dcb 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4188,6 +4188,24 @@
 	}
 }
 
+/* fixup for Thinkpad docks: add dock pins, avoid HP parser fixup */
+static void alc_fixup_tpt440_dock(struct hda_codec *codec,
+				  const struct hda_fixup *fix, int action)
+{
+	static const struct hda_pintbl pincfgs[] = {
+		{ 0x16, 0x21211010 }, /* dock headphone */
+		{ 0x19, 0x21a11010 }, /* dock mic */
+		{ }
+	};
+	struct alc_spec *spec = codec->spec;
+
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
+		codec->power_save_node = 0; /* avoid click noises */
+		snd_hda_apply_pincfgs(codec, pincfgs);
+	}
+}
+
 static void alc_shutup_dell_xps13(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
@@ -4562,7 +4580,6 @@
 	ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC,
 	ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
 	ALC292_FIXUP_TPT440_DOCK,
-	ALC292_FIXUP_TPT440_DOCK2,
 	ALC283_FIXUP_BXBT2807_MIC,
 	ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED,
 	ALC282_FIXUP_ASPIRE_V5_PINS,
@@ -5029,17 +5046,7 @@
 	},
 	[ALC292_FIXUP_TPT440_DOCK] = {
 		.type = HDA_FIXUP_FUNC,
-		.v.func = alc269_fixup_pincfg_no_hp_to_lineout,
-		.chained = true,
-		.chain_id = ALC292_FIXUP_TPT440_DOCK2
-	},
-	[ALC292_FIXUP_TPT440_DOCK2] = {
-		.type = HDA_FIXUP_PINS,
-		.v.pins = (const struct hda_pintbl[]) {
-			{ 0x16, 0x21211010 }, /* dock headphone */
-			{ 0x19, 0x21a11010 }, /* dock mic */
-			{ }
-		},
+		.v.func = alc_fixup_tpt440_dock,
 		.chained = true,
 		.chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST
 	},
@@ -5299,6 +5306,7 @@
 	SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
+	SND_PCI_QUIRK(0x17aa, 0x2223, "ThinkPad T550", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
 	SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 9d947ae..def5cc8 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4520,7 +4520,11 @@
 		return err;
 
 	spec = codec->spec;
-	codec->power_save_node = 1;
+	/* enable power_save_node only for new 92HD89xx chips, as it causes
+	 * click noises on old 92HD73xx chips.
+	 */
+	if ((codec->core.vendor_id & 0xfffffff0) != 0x111d7670)
+		codec->power_save_node = 1;
 	spec->linear_tone_beep = 0;
 	spec->gen.mixer_nid = 0x1d;
 	spec->have_spdif_mux = 1;
diff --git a/sound/soc/au1x/db1200.c b/sound/soc/au1x/db1200.c
index 58c3164..8c907eb 100644
--- a/sound/soc/au1x/db1200.c
+++ b/sound/soc/au1x/db1200.c
@@ -129,6 +129,8 @@
 	.cpu_dai_name	= "au1xpsc_i2s.2",
 	.platform_name	= "au1xpsc-pcm.2",
 	.codec_name	= "wm8731.0-001b",
+	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
+			  SND_SOC_DAIFMT_CBM_CFM,
 	.ops		= &db1200_i2s_wm8731_ops,
 };
 
@@ -146,6 +148,8 @@
 	.cpu_dai_name	= "au1xpsc_i2s.3",
 	.platform_name	= "au1xpsc-pcm.3",
 	.codec_name	= "wm8731.0-001b",
+	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
+			  SND_SOC_DAIFMT_CBM_CFM,
 	.ops		= &db1200_i2s_wm8731_ops,
 };
 
diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c
index 38e853a..0bf9d62 100644
--- a/sound/soc/au1x/psc-i2s.c
+++ b/sound/soc/au1x/psc-i2s.c
@@ -296,7 +296,6 @@
 {
 	struct resource *iores, *dmares;
 	unsigned long sel;
-	int ret;
 	struct au1xpsc_audio_data *wd;
 
 	wd = devm_kzalloc(&pdev->dev, sizeof(struct au1xpsc_audio_data),
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 4972bf3..5c101af 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -519,11 +519,11 @@
 		RT5645_L_VOL_SFT + 1, RT5645_R_VOL_SFT + 1, 63, 0, adc_vol_tlv),
 
 	/* ADC Boost Volume Control */
-	SOC_DOUBLE_TLV("STO1 ADC Boost Gain", RT5645_ADC_BST_VOL1,
+	SOC_DOUBLE_TLV("ADC Boost Capture Volume", RT5645_ADC_BST_VOL1,
 		RT5645_STO1_ADC_L_BST_SFT, RT5645_STO1_ADC_R_BST_SFT, 3, 0,
 		adc_bst_tlv),
-	SOC_DOUBLE_TLV("STO2 ADC Boost Gain", RT5645_ADC_BST_VOL1,
-		RT5645_STO2_ADC_L_BST_SFT, RT5645_STO2_ADC_R_BST_SFT, 3, 0,
+	SOC_DOUBLE_TLV("Mono ADC Boost Capture Volume", RT5645_ADC_BST_VOL2,
+		RT5645_MONO_ADC_L_BST_SFT, RT5645_MONO_ADC_R_BST_SFT, 3, 0,
 		adc_bst_tlv),
 
 	/* I2S2 function select */
@@ -732,14 +732,14 @@
 static const struct snd_kcontrol_new rt5645_dac_l_mix[] = {
 	SOC_DAPM_SINGLE("Stereo ADC Switch", RT5645_AD_DA_MIXER,
 			RT5645_M_ADCMIX_L_SFT, 1, 1),
-	SOC_DAPM_SINGLE("DAC1 Switch", RT5645_AD_DA_MIXER,
+	SOC_DAPM_SINGLE_AUTODISABLE("DAC1 Switch", RT5645_AD_DA_MIXER,
 			RT5645_M_DAC1_L_SFT, 1, 1),
 };
 
 static const struct snd_kcontrol_new rt5645_dac_r_mix[] = {
 	SOC_DAPM_SINGLE("Stereo ADC Switch", RT5645_AD_DA_MIXER,
 			RT5645_M_ADCMIX_R_SFT, 1, 1),
-	SOC_DAPM_SINGLE("DAC1 Switch", RT5645_AD_DA_MIXER,
+	SOC_DAPM_SINGLE_AUTODISABLE("DAC1 Switch", RT5645_AD_DA_MIXER,
 			RT5645_M_DAC1_R_SFT, 1, 1),
 };
 
@@ -1381,7 +1381,7 @@
 				regmap_write(rt5645->regmap, RT5645_PR_BASE +
 					RT5645_MAMP_INT_REG2, 0xfc00);
 				snd_soc_write(codec, RT5645_DEPOP_M2, 0x1140);
-				mdelay(5);
+				msleep(40);
 				rt5645->hp_on = true;
 			} else {
 				/* depop parameters */
@@ -2829,13 +2829,12 @@
 			snd_soc_dapm_sync(dapm);
 			rt5645->jack_type = SND_JACK_HEADPHONE;
 		}
-
-		snd_soc_update_bits(codec, RT5645_CHARGE_PUMP, 0x0300, 0x0200);
-		snd_soc_write(codec, RT5645_DEPOP_M1, 0x001d);
-		snd_soc_write(codec, RT5645_DEPOP_M1, 0x0001);
 	} else { /* jack out */
 		rt5645->jack_type = 0;
 
+		regmap_update_bits(rt5645->regmap, RT5645_HP_VOL,
+			RT5645_L_MUTE | RT5645_R_MUTE,
+			RT5645_L_MUTE | RT5645_R_MUTE);
 		regmap_update_bits(rt5645->regmap, RT5645_IN1_CTRL2,
 			RT5645_CBJ_MN_JD, RT5645_CBJ_MN_JD);
 		regmap_update_bits(rt5645->regmap, RT5645_IN1_CTRL1,
@@ -2880,8 +2879,6 @@
 		rt5645->en_button_func = true;
 		regmap_update_bits(rt5645->regmap, RT5645_GPIO_CTRL1,
 				RT5645_GP1_PIN_IRQ, RT5645_GP1_PIN_IRQ);
-		regmap_update_bits(rt5645->regmap, RT5645_DEPOP_M1,
-				RT5645_HP_CB_MASK, RT5645_HP_CB_PU);
 		regmap_update_bits(rt5645->regmap, RT5645_GEN_CTRL1,
 				RT5645_DIG_GATE_CTRL, RT5645_DIG_GATE_CTRL);
 	}
@@ -3205,6 +3202,13 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "Celes"),
 		},
 	},
+	{
+		.ident = "Google Ultima",
+		.callback = strago_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_PRODUCT_NAME, "Ultima"),
+		},
+	},
 	{ }
 };
 
diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h
index 0e4cfc6..8c964cfb 100644
--- a/sound/soc/codecs/rt5645.h
+++ b/sound/soc/codecs/rt5645.h
@@ -39,8 +39,8 @@
 #define RT5645_STO1_ADC_DIG_VOL			0x1c
 #define RT5645_MONO_ADC_DIG_VOL			0x1d
 #define RT5645_ADC_BST_VOL1			0x1e
-/* Mixer - D-D */
 #define RT5645_ADC_BST_VOL2			0x20
+/* Mixer - D-D */
 #define RT5645_STO1_ADC_MIXER			0x27
 #define RT5645_MONO_ADC_MIXER			0x28
 #define RT5645_AD_DA_MIXER			0x29
@@ -315,12 +315,14 @@
 #define RT5645_STO1_ADC_R_BST_SFT		12
 #define RT5645_STO1_ADC_COMP_MASK		(0x3 << 10)
 #define RT5645_STO1_ADC_COMP_SFT		10
-#define RT5645_STO2_ADC_L_BST_MASK		(0x3 << 8)
-#define RT5645_STO2_ADC_L_BST_SFT		8
-#define RT5645_STO2_ADC_R_BST_MASK		(0x3 << 6)
-#define RT5645_STO2_ADC_R_BST_SFT		6
-#define RT5645_STO2_ADC_COMP_MASK		(0x3 << 4)
-#define RT5645_STO2_ADC_COMP_SFT		4
+
+/* ADC Boost Volume Control (0x20) */
+#define RT5645_MONO_ADC_L_BST_MASK		(0x3 << 14)
+#define RT5645_MONO_ADC_L_BST_SFT		14
+#define RT5645_MONO_ADC_R_BST_MASK		(0x3 << 12)
+#define RT5645_MONO_ADC_R_BST_SFT		12
+#define RT5645_MONO_ADC_COMP_MASK		(0x3 << 10)
+#define RT5645_MONO_ADC_COMP_SFT		10
 
 /* Stereo2 ADC Mixer Control (0x26) */
 #define RT5645_STO2_ADC_SRC_MASK		(0x1 << 15)
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index bfda25e..f540f82 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1376,8 +1376,8 @@
 			sgtl5000->micbias_resistor << SGTL5000_BIAS_R_SHIFT);
 
 	snd_soc_update_bits(codec, SGTL5000_CHIP_MIC_CTRL,
-			SGTL5000_BIAS_R_MASK,
-			sgtl5000->micbias_voltage << SGTL5000_BIAS_R_SHIFT);
+			SGTL5000_BIAS_VOLT_MASK,
+			sgtl5000->micbias_voltage << SGTL5000_BIAS_VOLT_SHIFT);
 	/*
 	 * disable DAP
 	 * TODO:
@@ -1549,7 +1549,7 @@
 			else {
 				sgtl5000->micbias_voltage = 0;
 				dev_err(&client->dev,
-					"Unsuitable MicBias resistor\n");
+					"Unsuitable MicBias voltage\n");
 			}
 		} else {
 			sgtl5000->micbias_voltage = 0;
diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c
index e3a0bca..cc1d398 100644
--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -549,7 +549,7 @@
 /*
  * DAC digital volumes. From -7 to 24 dB in 1 dB steps
  */
-static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 0);
+static DECLARE_TLV_DB_SCALE(dac_tlv, -700, 100, 0);
 
 static const char * const tas2552_din_source_select[] = {
 	"Muted",
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 1a82b19..8739126 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1509,14 +1509,17 @@
 	snd_soc_write(codec, PGAL_2_LLOPM_VOL, DEFAULT_VOL);
 	snd_soc_write(codec, PGAR_2_RLOPM_VOL, DEFAULT_VOL);
 
-	/* Line2 to HP Bypass default volume, disconnect from Output Mixer */
-	snd_soc_write(codec, LINE2L_2_HPLOUT_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2R_2_HPROUT_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2L_2_HPLCOM_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2R_2_HPRCOM_VOL, DEFAULT_VOL);
-	/* Line2 Line Out default volume, disconnect from Output Mixer */
-	snd_soc_write(codec, LINE2L_2_LLOPM_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2R_2_RLOPM_VOL, DEFAULT_VOL);
+	/* On tlv320aic3104, these registers are reserved and must not be written */
+	if (aic3x->model != AIC3X_MODEL_3104) {
+		/* Line2 to HP Bypass default volume, disconnect from Output Mixer */
+		snd_soc_write(codec, LINE2L_2_HPLOUT_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2R_2_HPROUT_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2L_2_HPLCOM_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2R_2_HPRCOM_VOL, DEFAULT_VOL);
+		/* Line2 Line Out default volume, disconnect from Output Mixer */
+		snd_soc_write(codec, LINE2L_2_LLOPM_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2R_2_RLOPM_VOL, DEFAULT_VOL);
+	}
 
 	switch (aic3x->model) {
 	case AIC3X_MODEL_3X:
diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c
index f2c6ad4..581ec15 100644
--- a/sound/soc/codecs/wm0010.c
+++ b/sound/soc/codecs/wm0010.c
@@ -577,7 +577,6 @@
 	struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
 	unsigned long flags;
 	int ret;
-	const struct firmware *fw;
 	struct spi_message m;
 	struct spi_transfer t;
 	struct dfw_pllrec pll_rec;
@@ -623,14 +622,6 @@
 	wm0010->state = WM0010_OUT_OF_RESET;
 	spin_unlock_irqrestore(&wm0010->irq_lock, flags);
 
-	/* First the bootloader */
-	ret = request_firmware(&fw, "wm0010_stage2.bin", codec->dev);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to request stage2 loader: %d\n",
-			ret);
-		goto abort;
-	}
-
 	if (!wait_for_completion_timeout(&wm0010->boot_completion,
 					 msecs_to_jiffies(20)))
 		dev_err(codec->dev, "Failed to get interrupt from DSP\n");
@@ -673,7 +664,7 @@
 
 		img_swap = kzalloc(len, GFP_KERNEL | GFP_DMA);
 		if (!img_swap)
-			goto abort;
+			goto abort_out;
 
 		/* We need to re-order for 0010 */
 		byte_swap_64((u64 *)&pll_rec, img_swap, len);
@@ -688,16 +679,16 @@
 		spi_message_add_tail(&t, &m);
 
 		ret = spi_sync(spi, &m);
-		if (ret != 0) {
+		if (ret) {
 			dev_err(codec->dev, "First PLL write failed: %d\n", ret);
-			goto abort;
+			goto abort_swap;
 		}
 
 		/* Use a second send of the message to get the return status */
 		ret = spi_sync(spi, &m);
-		if (ret != 0) {
+		if (ret) {
 			dev_err(codec->dev, "Second PLL write failed: %d\n", ret);
-			goto abort;
+			goto abort_swap;
 		}
 
 		p = (u32 *)out;
@@ -730,6 +721,10 @@
 
 	return 0;
 
+abort_swap:
+	kfree(img_swap);
+abort_out:
+	kfree(out);
 abort:
 	/* Put the chip back into reset */
 	wm0010_halt(codec);
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index e3b7d0c..dbd8840 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -211,28 +211,38 @@
 	return wm8960_set_deemph(codec);
 }
 
-static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
-static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
+static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
+static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1725, 75, 0);
+static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
-static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
+static const DECLARE_TLV_DB_SCALE(lineinboost_tlv, -1500, 300, 1);
+static const unsigned int micboost_tlv[] = {
+	TLV_DB_RANGE_HEAD(2),
+	0, 1, TLV_DB_SCALE_ITEM(0, 1300, 0),
+	2, 3, TLV_DB_SCALE_ITEM(2000, 900, 0),
+};
 
 static const struct snd_kcontrol_new wm8960_snd_controls[] = {
 SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
-		 0, 63, 0, adc_tlv),
+		 0, 63, 0, inpga_tlv),
 SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
 	6, 1, 0),
 SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
 	7, 1, 0),
 
 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
-	       WM8960_INBMIX1, 4, 7, 0, boost_tlv),
+	       WM8960_INBMIX1, 4, 7, 0, lineinboost_tlv),
 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
-	       WM8960_INBMIX1, 1, 7, 0, boost_tlv),
+	       WM8960_INBMIX1, 1, 7, 0, lineinboost_tlv),
 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
-	       WM8960_INBMIX2, 4, 7, 0, boost_tlv),
+	       WM8960_INBMIX2, 4, 7, 0, lineinboost_tlv),
 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
-	       WM8960_INBMIX2, 1, 7, 0, boost_tlv),
+	       WM8960_INBMIX2, 1, 7, 0, lineinboost_tlv),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT1 Volume",
+		WM8960_RINPATH, 4, 3, 0, micboost_tlv),
+SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT1 Volume",
+		WM8960_LINPATH, 4, 3, 0, micboost_tlv),
 
 SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
 		 0, 255, 0, dac_tlv),
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index b4eb975..2fbc6ef 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2944,7 +2944,8 @@
 				   WM8962_DAC_MUTE, val);
 }
 
-#define WM8962_RATES SNDRV_PCM_RATE_8000_96000
+#define WM8962_RATES (SNDRV_PCM_RATE_8000_48000 |\
+		SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
 
 #define WM8962_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
@@ -3759,7 +3760,7 @@
 	ret = snd_soc_register_codec(&i2c->dev,
 				     &soc_codec_dev_wm8962, &wm8962_dai, 1);
 	if (ret < 0)
-		goto err_enable;
+		goto err_pm_runtime;
 
 	regcache_cache_only(wm8962->regmap, true);
 
@@ -3768,6 +3769,8 @@
 
 	return 0;
 
+err_pm_runtime:
+	pm_runtime_disable(&i2c->dev);
 err_enable:
 	regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), wm8962->supplies);
 err:
@@ -3777,6 +3780,7 @@
 static int wm8962_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
+	pm_runtime_disable(&client->dev);
 	return 0;
 }
 
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index add6bb9..7d45d98 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -663,7 +663,7 @@
 	u8 rx_ser = 0;
 	u8 slots = mcasp->tdm_slots;
 	u8 max_active_serializers = (channels + slots - 1) / slots;
-	int active_serializers, numevt, n;
+	int active_serializers, numevt;
 	u32 reg;
 	/* Default configuration */
 	if (mcasp->version < MCASP_VERSION_3)
@@ -745,9 +745,8 @@
 	 * The number of words for numevt need to be in steps of active
 	 * serializers.
 	 */
-	n = numevt % active_serializers;
-	if (n)
-		numevt += (active_serializers - n);
+	numevt = (numevt / active_serializers) * active_serializers;
+
 	while (period_words % numevt && numevt > 0)
 		numevt -= active_serializers;
 	if (numevt <= 0)
@@ -1299,6 +1298,7 @@
 		.ops 		= &davinci_mcasp_dai_ops,
 
 		.symmetric_samplebits	= 1,
+		.symmetric_rates	= 1,
 	},
 	{
 		.name		= "davinci-mcasp.1",
@@ -1685,7 +1685,7 @@
 
 	irq = platform_get_irq_byname(pdev, "common");
 	if (irq >= 0) {
-		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_common\n",
+		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_common",
 					  dev_name(&pdev->dev));
 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
 						davinci_mcasp_common_irq_handler,
@@ -1702,7 +1702,7 @@
 
 	irq = platform_get_irq_byname(pdev, "rx");
 	if (irq >= 0) {
-		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_rx\n",
+		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_rx",
 					  dev_name(&pdev->dev));
 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
 						davinci_mcasp_rx_irq_handler,
@@ -1717,7 +1717,7 @@
 
 	irq = platform_get_irq_byname(pdev, "tx");
 	if (irq >= 0) {
-		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_tx\n",
+		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_tx",
 					  dev_name(&pdev->dev));
 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
 						davinci_mcasp_tx_irq_handler,
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c
index a3e97b4..ba34252 100644
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -131,23 +131,32 @@
 
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		for (i = 0; i < 4; i++)
-			i2s_write_reg(dev->i2s_base, TOR(i), 0);
+			i2s_read_reg(dev->i2s_base, TOR(i));
 	} else {
 		for (i = 0; i < 4; i++)
-			i2s_write_reg(dev->i2s_base, ROR(i), 0);
+			i2s_read_reg(dev->i2s_base, ROR(i));
 	}
 }
 
 static void i2s_start(struct dw_i2s_dev *dev,
 		      struct snd_pcm_substream *substream)
 {
-
+	u32 i, irq;
 	i2s_write_reg(dev->i2s_base, IER, 1);
 
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		for (i = 0; i < 4; i++) {
+			irq = i2s_read_reg(dev->i2s_base, IMR(i));
+			i2s_write_reg(dev->i2s_base, IMR(i), irq & ~0x30);
+		}
 		i2s_write_reg(dev->i2s_base, ITER, 1);
-	else
+	} else {
+		for (i = 0; i < 4; i++) {
+			irq = i2s_read_reg(dev->i2s_base, IMR(i));
+			i2s_write_reg(dev->i2s_base, IMR(i), irq & ~0x03);
+		}
 		i2s_write_reg(dev->i2s_base, IRER, 1);
+	}
 
 	i2s_write_reg(dev->i2s_base, CER, 1);
 }
diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 5aeb6ed..96f55ae 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -488,7 +488,8 @@
 		priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
 	} else {
 		dev_err(&pdev->dev, "unknown Device Tree compatible\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto asrc_fail;
 	}
 
 	/* Common settings for corresponding Freescale CPU DAI driver */
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 8ec6fb2..37c5cd4 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -249,7 +249,8 @@
 
 static bool fsl_ssi_is_ac97(struct fsl_ssi_private *ssi_private)
 {
-	return !!(ssi_private->dai_fmt & SND_SOC_DAIFMT_AC97);
+	return (ssi_private->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) ==
+		SND_SOC_DAIFMT_AC97;
 }
 
 static bool fsl_ssi_is_i2s_master(struct fsl_ssi_private *ssi_private)
@@ -947,7 +948,7 @@
 				CCSR_SSI_SCR_TCH_EN);
 	}
 
-	if (fmt & SND_SOC_DAIFMT_AC97)
+	if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_AC97)
 		fsl_ssi_setup_ac97(ssi_private);
 
 	return 0;
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index 48b2d24..b95132e 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -95,7 +95,8 @@
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_I2S:
 		/* data on rising edge of bclk, frame low 1clk before data */
-		strcr |= SSI_STCR_TFSI | SSI_STCR_TEFS | SSI_STCR_TXBIT0;
+		strcr |= SSI_STCR_TXBIT0 | SSI_STCR_TSCKP | SSI_STCR_TFSI |
+			SSI_STCR_TEFS;
 		scr |= SSI_SCR_NET;
 		if (ssi->flags & IMX_SSI_USE_I2S_SLAVE) {
 			scr &= ~SSI_I2S_MODE_MASK;
@@ -104,33 +105,31 @@
 		break;
 	case SND_SOC_DAIFMT_LEFT_J:
 		/* data on rising edge of bclk, frame high with data */
-		strcr |= SSI_STCR_TXBIT0;
+		strcr |= SSI_STCR_TXBIT0 | SSI_STCR_TSCKP;
 		break;
 	case SND_SOC_DAIFMT_DSP_B:
 		/* data on rising edge of bclk, frame high with data */
-		strcr |= SSI_STCR_TFSL | SSI_STCR_TXBIT0;
+		strcr |= SSI_STCR_TXBIT0 | SSI_STCR_TSCKP | SSI_STCR_TFSL;
 		break;
 	case SND_SOC_DAIFMT_DSP_A:
 		/* data on rising edge of bclk, frame high 1clk before data */
-		strcr |= SSI_STCR_TFSL | SSI_STCR_TXBIT0 | SSI_STCR_TEFS;
+		strcr |= SSI_STCR_TXBIT0 | SSI_STCR_TSCKP | SSI_STCR_TFSL |
+			SSI_STCR_TEFS;
 		break;
 	}
 
 	/* DAI clock inversion */
 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 	case SND_SOC_DAIFMT_IB_IF:
-		strcr |= SSI_STCR_TFSI;
-		strcr &= ~SSI_STCR_TSCKP;
+		strcr ^= SSI_STCR_TSCKP | SSI_STCR_TFSI;
 		break;
 	case SND_SOC_DAIFMT_IB_NF:
-		strcr &= ~(SSI_STCR_TSCKP | SSI_STCR_TFSI);
+		strcr ^= SSI_STCR_TSCKP;
 		break;
 	case SND_SOC_DAIFMT_NB_IF:
-		strcr |= SSI_STCR_TFSI | SSI_STCR_TSCKP;
+		strcr ^= SSI_STCR_TFSI;
 		break;
 	case SND_SOC_DAIFMT_NB_NF:
-		strcr &= ~SSI_STCR_TFSI;
-		strcr |= SSI_STCR_TSCKP;
 		break;
 	}
 
diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c
index f6efa9d..b27f25f 100644
--- a/sound/soc/intel/haswell/sst-haswell-ipc.c
+++ b/sound/soc/intel/haswell/sst-haswell-ipc.c
@@ -302,6 +302,10 @@
 	struct sst_hsw_ipc_dx_reply dx;
 	void *dx_context;
 	dma_addr_t dx_context_paddr;
+	enum sst_hsw_device_id dx_dev;
+	enum sst_hsw_device_mclk dx_mclk;
+	enum sst_hsw_device_mode dx_mode;
+	u32 dx_clock_divider;
 
 	/* boot */
 	wait_queue_head_t boot_wait;
@@ -1400,10 +1404,10 @@
 
 	trace_ipc_request("set device config", dev);
 
-	config.ssp_interface = dev;
-	config.clock_frequency = mclk;
-	config.mode = mode;
-	config.clock_divider = clock_divider;
+	hsw->dx_dev = config.ssp_interface = dev;
+	hsw->dx_mclk = config.clock_frequency = mclk;
+	hsw->dx_mode = config.mode = mode;
+	hsw->dx_clock_divider = config.clock_divider = clock_divider;
 	if (mode == SST_HSW_DEVICE_TDM_CLOCK_MASTER)
 		config.channels = 4;
 	else
@@ -1704,10 +1708,10 @@
 		return -EIO;
 	}
 
-	/* Set ADSP SSP port settings */
-	ret = sst_hsw_device_set_config(hsw, SST_HSW_DEVICE_SSP_0,
-					SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
-					SST_HSW_DEVICE_CLOCK_MASTER, 9);
+	/* Set ADSP SSP port settings - sadly the FW does not store SSP port
+	   settings as part of the PM context. */
+	ret = sst_hsw_device_set_config(hsw, hsw->dx_dev, hsw->dx_mclk,
+					hsw->dx_mode, hsw->dx_clock_divider);
 	if (ret < 0)
 		dev_err(dev, "error: SSP re-initialization failed\n");
 
diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c
index d190fe0..f5baf3c 100644
--- a/sound/soc/mediatek/mtk-afe-pcm.c
+++ b/sound/soc/mediatek/mtk-afe-pcm.c
@@ -549,6 +549,23 @@
 	memif->substream = substream;
 
 	snd_soc_set_runtime_hwparams(substream, &mtk_afe_hardware);
+
+	/*
+	 * Capture cannot use ping-pong buffer since hw_ptr at IRQ may be
+	 * smaller than period_size due to AFE's internal buffer.
+	 * This easily leads to overrun when avail_min is period_size.
+	 * One more period can hold the possible unread buffer.
+	 */
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+		ret = snd_pcm_hw_constraint_minmax(runtime,
+						   SNDRV_PCM_HW_PARAM_PERIODS,
+						   3,
+						   mtk_afe_hardware.periods_max);
+		if (ret < 0) {
+			dev_err(afe->dev, "hw_constraint_minmax failed\n");
+			return ret;
+		}
+	}
 	ret = snd_pcm_hw_constraint_integer(runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
 	if (ret < 0)
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 39cea80..f2bf866 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -1,7 +1,6 @@
 config SND_PXA2XX_SOC
 	tristate "SoC Audio for the Intel PXA2xx chip"
 	depends on ARCH_PXA
-	select SND_ARM
 	select SND_PXA2XX_LIB
 	help
 	  Say Y or M if you want to add support for codecs attached to
@@ -25,7 +24,6 @@
 config SND_PXA2XX_SOC_AC97
 	tristate
 	select AC97_BUS
-	select SND_ARM
 	select SND_PXA2XX_LIB_AC97
 	select SND_SOC_AC97_BUS
 
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index 1f60546..9e4b04e 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -49,7 +49,7 @@
 	.reset	= pxa2xx_ac97_cold_reset,
 };
 
-static unsigned long pxa2xx_ac97_pcm_stereo_in_req = 12;
+static unsigned long pxa2xx_ac97_pcm_stereo_in_req = 11;
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
 	.addr		= __PREG(PCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_4_BYTES,
@@ -57,7 +57,7 @@
 	.filter_data	= &pxa2xx_ac97_pcm_stereo_in_req,
 };
 
-static unsigned long pxa2xx_ac97_pcm_stereo_out_req = 11;
+static unsigned long pxa2xx_ac97_pcm_stereo_out_req = 12;
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
 	.addr		= __PREG(PCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_4_BYTES,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index f4bf21a..ff8bda4 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3501,7 +3501,7 @@
 
 	default:
 		WARN(1, "Unknown event %d\n", event);
-		return -EINVAL;
+		ret = -EINVAL;
 	}
 
 out:
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 362c69a..53dd085 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -101,6 +101,15 @@
 			SNDRV_PCM_FMTBIT_S32_LE | \
 			SNDRV_PCM_FMTBIT_U32_LE | \
 			SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
+/*
+ * The dummy CODEC is only meant to be used in situations where there is no
+ * actual hardware.
+ *
+ * If there is actual hardware even if it does not have a control bus
+ * the hardware will still have constraints like supported samplerates, etc.
+ * which should be modelled. And the data flow graph also should be modelled
+ * using DAPM.
+ */
 static struct snd_soc_dai_driver dummy_dai = {
 	.name = "snd-soc-dummy-dai",
 	.playback = {
diff --git a/sound/soc/spear/Kconfig b/sound/soc/spear/Kconfig
index 0a53053..4fb9141 100644
--- a/sound/soc/spear/Kconfig
+++ b/sound/soc/spear/Kconfig
@@ -1,6 +1,6 @@
 config SND_SPEAR_SOC
 	tristate
-	select SND_DMAENGINE_PCM
+	select SND_SOC_GENERIC_DMAENGINE_PCM
 
 config SND_SPEAR_SPDIF_OUT
 	tristate
diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c
index f6eefe1..843f037 100644
--- a/sound/soc/sti/uniperif_player.c
+++ b/sound/soc/sti/uniperif_player.c
@@ -989,8 +989,8 @@
 	if (!info)
 		return -ENOMEM;
 
-	of_property_read_u32(pnode, "version", &player->ver);
-	if (player->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) {
+	if (of_property_read_u32(pnode, "version", &player->ver) ||
+	    player->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) {
 		dev_err(dev, "Unknown uniperipheral version ");
 		return -EINVAL;
 	}
@@ -998,10 +998,16 @@
 	if (player->ver >= SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
 		info->underflow_enabled = 1;
 
-	of_property_read_u32(pnode, "uniperiph-id", &info->id);
+	if (of_property_read_u32(pnode, "uniperiph-id", &info->id)) {
+		dev_err(dev, "uniperipheral id not defined");
+		return -EINVAL;
+	}
 
 	/* Read the device mode property */
-	of_property_read_string(pnode, "mode", &mode);
+	if (of_property_read_string(pnode, "mode", &mode)) {
+		dev_err(dev, "uniperipheral mode not defined");
+		return -EINVAL;
+	}
 
 	if (strcasecmp(mode, "hdmi") == 0)
 		info->player_type = SND_ST_UNIPERIF_PLAYER_TYPE_HDMI;
diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c
index c502626..f791239 100644
--- a/sound/soc/sti/uniperif_reader.c
+++ b/sound/soc/sti/uniperif_reader.c
@@ -316,7 +316,11 @@
 	if (!info)
 		return -ENOMEM;
 
-	of_property_read_u32(node, "version", &reader->ver);
+	if (of_property_read_u32(node, "version", &reader->ver) ||
+	    reader->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) {
+		dev_err(&pdev->dev, "Unknown uniperipheral version ");
+		return -EINVAL;
+	}
 
 	/* Save the info structure */
 	reader->info = info;
diff --git a/sound/synth/emux/emux_oss.c b/sound/synth/emux/emux_oss.c
index 82e350e..ac75816 100644
--- a/sound/synth/emux/emux_oss.c
+++ b/sound/synth/emux/emux_oss.c
@@ -69,7 +69,8 @@
 	struct snd_seq_oss_reg *arg;
 	struct snd_seq_device *dev;
 
-	if (snd_seq_device_new(emu->card, 0, SNDRV_SEQ_DEV_ID_OSS,
+	/* using device#1 here for avoiding conflicts with OPL3 */
+	if (snd_seq_device_new(emu->card, 1, SNDRV_SEQ_DEV_ID_OSS,
 			       sizeof(struct snd_seq_oss_reg), &dev) < 0)
 		return;
 
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 2975632..c8fe6d1 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -41,6 +41,7 @@
 	libelf-getphdrnum		\
 	libelf-mmap			\
 	libnuma				\
+	numa_num_possible_cpus		\
 	libperl				\
 	libpython			\
 	libpython-version		\
@@ -51,7 +52,8 @@
 	timerfd				\
 	libdw-dwarf-unwind		\
 	zlib				\
-	lzma
+	lzma				\
+	get_cpuid
 
 FEATURE_DISPLAY ?=			\
 	dwarf				\
@@ -61,13 +63,15 @@
 	libbfd				\
 	libelf				\
 	libnuma				\
+	numa_num_possible_cpus		\
 	libperl				\
 	libpython			\
 	libslang			\
 	libunwind			\
 	libdw-dwarf-unwind		\
 	zlib				\
-	lzma
+	lzma				\
+	get_cpuid
 
 # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
 # If in the future we need per-feature checks/flags for features not
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 74ca420..e43a297 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -19,6 +19,7 @@
 	test-libelf-getphdrnum.bin	\
 	test-libelf-mmap.bin		\
 	test-libnuma.bin		\
+	test-numa_num_possible_cpus.bin	\
 	test-libperl.bin		\
 	test-libpython.bin		\
 	test-libpython-version.bin	\
@@ -34,7 +35,8 @@
 	test-compile-x32.bin		\
 	test-zlib.bin			\
 	test-lzma.bin			\
-	test-bpf.bin
+	test-bpf.bin			\
+	test-get_cpuid.bin
 
 CC := $(CROSS_COMPILE)gcc -MD
 PKG_CONFIG := $(CROSS_COMPILE)pkg-config
@@ -87,6 +89,9 @@
 test-libnuma.bin:
 	$(BUILD) -lnuma
 
+test-numa_num_possible_cpus.bin:
+	$(BUILD) -lnuma
+
 test-libunwind.bin:
 	$(BUILD) -lelf
 
@@ -162,6 +167,9 @@
 test-lzma.bin:
 	$(BUILD) -llzma
 
+test-get_cpuid.bin:
+	$(BUILD)
+
 test-bpf.bin:
 	$(BUILD)
 
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 84689a6..33cf6f2 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -77,6 +77,10 @@
 # include "test-libnuma.c"
 #undef main
 
+#define main main_test_numa_num_possible_cpus
+# include "test-numa_num_possible_cpus.c"
+#undef main
+
 #define main main_test_timerfd
 # include "test-timerfd.c"
 #undef main
@@ -117,6 +121,10 @@
 # include "test-lzma.c"
 #undef main
 
+#define main main_test_get_cpuid
+# include "test-get_cpuid.c"
+#undef main
+
 int main(int argc, char *argv[])
 {
 	main_test_libpython();
@@ -136,6 +144,7 @@
 	main_test_libbfd();
 	main_test_backtrace();
 	main_test_libnuma();
+	main_test_numa_num_possible_cpus();
 	main_test_timerfd();
 	main_test_stackprotector_all();
 	main_test_libdw_dwarf_unwind();
@@ -143,6 +152,7 @@
 	main_test_zlib();
 	main_test_pthread_attr_setaffinity_np();
 	main_test_lzma();
+	main_test_get_cpuid();
 
 	return 0;
 }
diff --git a/tools/build/feature/test-get_cpuid.c b/tools/build/feature/test-get_cpuid.c
new file mode 100644
index 0000000..d7a2c40
--- /dev/null
+++ b/tools/build/feature/test-get_cpuid.c
@@ -0,0 +1,7 @@
+#include <cpuid.h>
+
+int main(void)
+{
+	unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0;
+	return __get_cpuid(0x15, &eax, &ebx, &ecx, &edx);
+}
diff --git a/tools/build/feature/test-numa_num_possible_cpus.c b/tools/build/feature/test-numa_num_possible_cpus.c
new file mode 100644
index 0000000..2606e94
--- /dev/null
+++ b/tools/build/feature/test-numa_num_possible_cpus.c
@@ -0,0 +1,6 @@
+#include <numa.h>
+
+int main(void)
+{
+	return numa_num_possible_cpus();
+}
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 4d88593..cf42b09 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3795,7 +3795,7 @@
 	struct format_field *field;
 	struct printk_map *printk;
 	long long val, fval;
-	unsigned long addr;
+	unsigned long long addr;
 	char *str;
 	unsigned char *hex;
 	int print;
@@ -3828,13 +3828,30 @@
 		 */
 		if (!(field->flags & FIELD_IS_ARRAY) &&
 		    field->size == pevent->long_size) {
-			addr = *(unsigned long *)(data + field->offset);
+
+			/* Handle heterogeneous recording and processing
+			 * architectures
+			 *
+			 * CASE I:
+			 * Traces recorded on 32-bit devices (32-bit
+			 * addressing) and processed on 64-bit devices:
+			 * In this case, only 32 bits should be read.
+			 *
+			 * CASE II:
+			 * Traces recorded on 64 bit devices and processed
+			 * on 32-bit devices:
+			 * In this case, 64 bits must be read.
+			 */
+			addr = (pevent->long_size == 8) ?
+				*(unsigned long long *)(data + field->offset) :
+				(unsigned long long)*(unsigned int *)(data + field->offset);
+
 			/* Check if it matches a print format */
 			printk = find_printk(pevent, addr);
 			if (printk)
 				trace_seq_puts(s, printk->printk);
 			else
-				trace_seq_printf(s, "%lx", addr);
+				trace_seq_printf(s, "%llx", addr);
 			break;
 		}
 		str = malloc(len + 1);
diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt
index 4a0501d..c94c9de 100644
--- a/tools/perf/Documentation/intel-pt.txt
+++ b/tools/perf/Documentation/intel-pt.txt
@@ -364,21 +364,6 @@
 
 		CYC packets are not requested by default.
 
-no_force_psb	This is a driver option and is not in the IA32_RTIT_CTL MSR.
-
-		It stops the driver resetting the byte count to zero whenever
-		enabling the trace (for example on context switches) which in
-		turn results in no PSB being forced.  However some processors
-		will produce a PSB anyway.
-
-		In any case, there is still a PSB when the trace is enabled for
-		the first time.
-
-		no_force_psb can be used to slightly decrease the trace size but
-		may make it harder for the decoder to recover from errors.
-
-		no_force_psb is not selected by default.
-
 
 new snapshot option
 -------------------
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index eb51325..284a76e 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -768,8 +768,8 @@
 	if (!evsel->attr.sample_id_all) {
 		sample->cpu = 0;
 		sample->time = 0;
-		sample->tid = event->comm.tid;
-		sample->pid = event->comm.pid;
+		sample->tid = event->fork.tid;
+		sample->pid = event->fork.pid;
 	}
 	print_sample_start(sample, thread, evsel);
 	perf_event__fprintf(event, stdout);
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 827557f..38a0853 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -573,9 +573,14 @@
     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
     NO_LIBNUMA := 1
   else
-    CFLAGS += -DHAVE_LIBNUMA_SUPPORT
-    EXTLIBS += -lnuma
-    $(call detected,CONFIG_NUMA)
+    ifeq ($(feature-numa_num_possible_cpus), 0)
+      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
+      NO_LIBNUMA := 1
+    else
+      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
+      EXTLIBS += -lnuma
+      $(call detected,CONFIG_NUMA)
+    endif
   endif
 endif
 
@@ -621,8 +626,13 @@
 endif
 
 ifndef NO_AUXTRACE
-  $(call detected,CONFIG_AUXTRACE)
-  CFLAGS += -DHAVE_AUXTRACE_SUPPORT
+  ifeq ($(feature-get_cpuid), 0)
+    msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
+    NO_AUXTRACE := 1
+  else
+    $(call detected,CONFIG_AUXTRACE)
+    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
+  endif
 endif
 
 # Among the variables below, these:
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c
index 1aa21c9..5b83f56 100644
--- a/tools/perf/tests/sw-clock.c
+++ b/tools/perf/tests/sw-clock.c
@@ -34,6 +34,8 @@
 		.disabled = 1,
 		.freq = 1,
 	};
+	struct cpu_map *cpus;
+	struct thread_map *threads;
 
 	attr.sample_freq = 500;
 
@@ -50,14 +52,19 @@
 	}
 	perf_evlist__add(evlist, evsel);
 
-	evlist->cpus = cpu_map__dummy_new();
-	evlist->threads = thread_map__new_by_tid(getpid());
-	if (!evlist->cpus || !evlist->threads) {
+	cpus = cpu_map__dummy_new();
+	threads = thread_map__new_by_tid(getpid());
+	if (!cpus || !threads) {
 		err = -ENOMEM;
 		pr_debug("Not enough memory to create thread/cpu maps\n");
-		goto out_delete_evlist;
+		goto out_free_maps;
 	}
 
+	perf_evlist__set_maps(evlist, cpus, threads);
+
+	cpus	= NULL;
+	threads = NULL;
+
 	if (perf_evlist__open(evlist)) {
 		const char *knob = "/proc/sys/kernel/perf_event_max_sample_rate";
 
@@ -107,6 +114,9 @@
 		err = -1;
 	}
 
+out_free_maps:
+	cpu_map__put(cpus);
+	thread_map__put(threads);
 out_delete_evlist:
 	perf_evlist__delete(evlist);
 	return err;
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index 3a8fedef..add1638 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -43,6 +43,8 @@
 	};
 	const char *argv[] = { "true", NULL };
 	char sbuf[STRERR_BUFSIZE];
+	struct cpu_map *cpus;
+	struct thread_map *threads;
 
 	signal(SIGCHLD, sig_handler);
 
@@ -58,14 +60,19 @@
 	 * perf_evlist__prepare_workload we'll fill in the only thread
 	 * we're monitoring, the one forked there.
 	 */
-	evlist->cpus = cpu_map__dummy_new();
-	evlist->threads = thread_map__new_by_tid(-1);
-	if (!evlist->cpus || !evlist->threads) {
+	cpus = cpu_map__dummy_new();
+	threads = thread_map__new_by_tid(-1);
+	if (!cpus || !threads) {
 		err = -ENOMEM;
 		pr_debug("Not enough memory to create thread/cpu maps\n");
-		goto out_delete_evlist;
+		goto out_free_maps;
 	}
 
+	perf_evlist__set_maps(evlist, cpus, threads);
+
+	cpus	= NULL;
+	threads = NULL;
+
 	err = perf_evlist__prepare_workload(evlist, &target, argv, false,
 					    workload_exec_failed_signal);
 	if (err < 0) {
@@ -114,6 +121,9 @@
 		err = -1;
 	}
 
+out_free_maps:
+	cpu_map__put(cpus);
+	thread_map__put(threads);
 out_delete_evlist:
 	perf_evlist__delete(evlist);
 	return err;
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index cf86f2d..c04c60d 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1968,7 +1968,8 @@
 					  &options[nr_options], dso);
 		nr_options += add_map_opt(browser, &actions[nr_options],
 					  &options[nr_options],
-					  browser->selection->map);
+					  browser->selection ?
+						browser->selection->map : NULL);
 
 		/* perf script support */
 		if (browser->he_selection) {
@@ -1976,6 +1977,15 @@
 						     &actions[nr_options],
 						     &options[nr_options],
 						     thread, NULL);
+			/*
+			 * Note that browser->selection != NULL
+			 * when browser->he_selection is not NULL,
+			 * so we don't need to check browser->selection
+			 * before fetching browser->selection->sym like what
+			 * we do before fetching browser->selection->map.
+			 *
+			 * See hist_browser__show_entry.
+			 */
 			nr_options += add_script_opt(browser,
 						     &actions[nr_options],
 						     &options[nr_options],
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 349bc96..e5f18a2 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -17,6 +17,7 @@
 libperf-y += llvm-utils.o
 libperf-y += parse-options.o
 libperf-y += parse-events.o
+libperf-y += perf_regs.o
 libperf-y += path.o
 libperf-y += rbtree.o
 libperf-y += bitmap.o
@@ -103,7 +104,6 @@
 
 libperf-y += scripting-engines/
 
-libperf-$(CONFIG_PERF_REGS) += perf_regs.o
 libperf-$(CONFIG_ZLIB) += zlib.o
 libperf-$(CONFIG_LZMA) += lzma.o
 
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index d51a520..c8fc8a2 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -124,6 +124,33 @@
 	free(evlist);
 }
 
+static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
+					  struct perf_evsel *evsel)
+{
+	/*
+	 * We already have cpus for evsel (via PMU sysfs) so
+	 * keep it, if there's no target cpu list defined.
+	 */
+	if (!evsel->own_cpus || evlist->has_user_cpus) {
+		cpu_map__put(evsel->cpus);
+		evsel->cpus = cpu_map__get(evlist->cpus);
+	} else if (evsel->cpus != evsel->own_cpus) {
+		cpu_map__put(evsel->cpus);
+		evsel->cpus = cpu_map__get(evsel->own_cpus);
+	}
+
+	thread_map__put(evsel->threads);
+	evsel->threads = thread_map__get(evlist->threads);
+}
+
+static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
+{
+	struct perf_evsel *evsel;
+
+	evlist__for_each(evlist, evsel)
+		__perf_evlist__propagate_maps(evlist, evsel);
+}
+
 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry)
 {
 	entry->evlist = evlist;
@@ -133,18 +160,19 @@
 
 	if (!evlist->nr_entries++)
 		perf_evlist__set_id_pos(evlist);
+
+	__perf_evlist__propagate_maps(evlist, entry);
 }
 
 void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
-				   struct list_head *list,
-				   int nr_entries)
+				   struct list_head *list)
 {
-	bool set_id_pos = !evlist->nr_entries;
+	struct perf_evsel *evsel, *temp;
 
-	list_splice_tail(list, &evlist->entries);
-	evlist->nr_entries += nr_entries;
-	if (set_id_pos)
-		perf_evlist__set_id_pos(evlist);
+	__evlist__for_each_safe(list, temp, evsel) {
+		list_del_init(&evsel->node);
+		perf_evlist__add(evlist, evsel);
+	}
 }
 
 void __perf_evlist__set_leader(struct list_head *list)
@@ -210,7 +238,7 @@
 		list_add_tail(&evsel->node, &head);
 	}
 
-	perf_evlist__splice_list_tail(evlist, &head, nr_attrs);
+	perf_evlist__splice_list_tail(evlist, &head);
 
 	return 0;
 
@@ -1103,71 +1131,56 @@
 	return perf_evlist__mmap_ex(evlist, pages, overwrite, 0, false);
 }
 
-static int perf_evlist__propagate_maps(struct perf_evlist *evlist,
-				       bool has_user_cpus)
-{
-	struct perf_evsel *evsel;
-
-	evlist__for_each(evlist, evsel) {
-		/*
-		 * We already have cpus for evsel (via PMU sysfs) so
-		 * keep it, if there's no target cpu list defined.
-		 */
-		if (evsel->cpus && has_user_cpus)
-			cpu_map__put(evsel->cpus);
-
-		if (!evsel->cpus || has_user_cpus)
-			evsel->cpus = cpu_map__get(evlist->cpus);
-
-		evsel->threads = thread_map__get(evlist->threads);
-
-		if ((evlist->cpus && !evsel->cpus) ||
-		    (evlist->threads && !evsel->threads))
-			return -ENOMEM;
-	}
-
-	return 0;
-}
-
 int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target)
 {
-	evlist->threads = thread_map__new_str(target->pid, target->tid,
-					      target->uid);
+	struct cpu_map *cpus;
+	struct thread_map *threads;
 
-	if (evlist->threads == NULL)
+	threads = thread_map__new_str(target->pid, target->tid, target->uid);
+
+	if (!threads)
 		return -1;
 
 	if (target__uses_dummy_map(target))
-		evlist->cpus = cpu_map__dummy_new();
+		cpus = cpu_map__dummy_new();
 	else
-		evlist->cpus = cpu_map__new(target->cpu_list);
+		cpus = cpu_map__new(target->cpu_list);
 
-	if (evlist->cpus == NULL)
+	if (!cpus)
 		goto out_delete_threads;
 
-	return perf_evlist__propagate_maps(evlist, !!target->cpu_list);
+	evlist->has_user_cpus = !!target->cpu_list;
+
+	perf_evlist__set_maps(evlist, cpus, threads);
+
+	return 0;
 
 out_delete_threads:
-	thread_map__put(evlist->threads);
-	evlist->threads = NULL;
+	thread_map__put(threads);
 	return -1;
 }
 
-int perf_evlist__set_maps(struct perf_evlist *evlist,
-			  struct cpu_map *cpus,
-			  struct thread_map *threads)
+void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus,
+			   struct thread_map *threads)
 {
-	if (evlist->cpus)
+	/*
+	 * Allow for the possibility that one or another of the maps isn't being
+	 * changed i.e. don't put it.  Note we are assuming the maps that are
+	 * being applied are brand new and evlist is taking ownership of the
+	 * original reference count of 1.  If that is not the case it is up to
+	 * the caller to increase the reference count.
+	 */
+	if (cpus != evlist->cpus) {
 		cpu_map__put(evlist->cpus);
+		evlist->cpus = cpus;
+	}
 
-	evlist->cpus = cpus;
-
-	if (evlist->threads)
+	if (threads != evlist->threads) {
 		thread_map__put(evlist->threads);
+		evlist->threads = threads;
+	}
 
-	evlist->threads = threads;
-
-	return perf_evlist__propagate_maps(evlist, false);
+	perf_evlist__propagate_maps(evlist);
 }
 
 int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **err_evsel)
@@ -1387,6 +1400,8 @@
 
 static int perf_evlist__create_syswide_maps(struct perf_evlist *evlist)
 {
+	struct cpu_map	  *cpus;
+	struct thread_map *threads;
 	int err = -ENOMEM;
 
 	/*
@@ -1398,20 +1413,19 @@
 	 * error, and we may not want to do that fallback to a
 	 * default cpu identity map :-\
 	 */
-	evlist->cpus = cpu_map__new(NULL);
-	if (evlist->cpus == NULL)
+	cpus = cpu_map__new(NULL);
+	if (!cpus)
 		goto out;
 
-	evlist->threads = thread_map__new_dummy();
-	if (evlist->threads == NULL)
-		goto out_free_cpus;
+	threads = thread_map__new_dummy();
+	if (!threads)
+		goto out_put;
 
-	err = 0;
+	perf_evlist__set_maps(evlist, cpus, threads);
 out:
 	return err;
-out_free_cpus:
-	cpu_map__put(evlist->cpus);
-	evlist->cpus = NULL;
+out_put:
+	cpu_map__put(cpus);
 	goto out;
 }
 
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index b39a619..115d8b5 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -42,6 +42,7 @@
 	int		 nr_mmaps;
 	bool		 overwrite;
 	bool		 enabled;
+	bool		 has_user_cpus;
 	size_t		 mmap_len;
 	int		 id_pos;
 	int		 is_pos;
@@ -155,9 +156,8 @@
 void perf_evlist__set_selected(struct perf_evlist *evlist,
 			       struct perf_evsel *evsel);
 
-int perf_evlist__set_maps(struct perf_evlist *evlist,
-			  struct cpu_map *cpus,
-			  struct thread_map *threads);
+void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus,
+			   struct thread_map *threads);
 int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target);
 int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **err_evsel);
 
@@ -179,8 +179,7 @@
 bool perf_evlist__valid_read_format(struct perf_evlist *evlist);
 
 void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
-				   struct list_head *list,
-				   int nr_entries);
+				   struct list_head *list);
 
 static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
 {
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index c53f791..5410483 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1033,6 +1033,7 @@
 	perf_evsel__free_config_terms(evsel);
 	close_cgroup(evsel->cgrp);
 	cpu_map__put(evsel->cpus);
+	cpu_map__put(evsel->own_cpus);
 	thread_map__put(evsel->threads);
 	zfree(&evsel->group_name);
 	zfree(&evsel->name);
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 298e6bb..ef8925f 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -98,6 +98,7 @@
 	struct cgroup_sel	*cgrp;
 	void			*handler;
 	struct cpu_map		*cpus;
+	struct cpu_map		*own_cpus;
 	struct thread_map	*threads;
 	unsigned int		sample_size;
 	int			id_pos;
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 4181454..fce6634 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1438,7 +1438,7 @@
 	if (ph->needs_swap)
 		nr = bswap_32(nr);
 
-	ph->env.nr_cpus_online = nr;
+	ph->env.nr_cpus_avail = nr;
 
 	ret = readn(fd, &nr, sizeof(nr));
 	if (ret != sizeof(nr))
@@ -1447,7 +1447,7 @@
 	if (ph->needs_swap)
 		nr = bswap_32(nr);
 
-	ph->env.nr_cpus_avail = nr;
+	ph->env.nr_cpus_online = nr;
 	return 0;
 }
 
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index ea76862..eb0e7f8 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -623,7 +623,7 @@
 	if (err)
 		return err;
 	if (event->header.type == PERF_RECORD_EXIT) {
-		err = intel_bts_process_tid_exit(bts, event->comm.tid);
+		err = intel_bts_process_tid_exit(bts, event->fork.tid);
 		if (err)
 			return err;
 	}
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index bb41c20..535d86f 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1494,7 +1494,7 @@
 	if (pt->timeless_decoding) {
 		if (event->header.type == PERF_RECORD_EXIT) {
 			err = intel_pt_process_timeless_queues(pt,
-							       event->comm.tid,
+							       event->fork.tid,
 							       sample->time);
 		}
 	} else if (timestamp) {
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index d826e6f..21ed6ee 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -287,8 +287,8 @@
 	if (!evsel)
 		return NULL;
 
-	if (cpus)
-		evsel->cpus = cpu_map__get(cpus);
+	evsel->cpus     = cpu_map__get(cpus);
+	evsel->own_cpus = cpu_map__get(cpus);
 
 	if (name)
 		evsel->name = strdup(name);
@@ -1140,10 +1140,9 @@
 	ret = parse_events__scanner(str, &data, PE_START_EVENTS);
 	perf_pmu__parse_cleanup();
 	if (!ret) {
-		int entries = data.idx - evlist->nr_entries;
 		struct perf_evsel *last;
 
-		perf_evlist__splice_list_tail(evlist, &data.list, entries);
+		perf_evlist__splice_list_tail(evlist, &data.list);
 		evlist->nr_groups += data.nr_groups;
 		last = perf_evlist__last(evlist);
 		last->cmdline_group_boundary = true;
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 591905a..9cd7081 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -255,7 +255,7 @@
 	list_add_tail(&term->list, head);
 
 	ALLOC_LIST(list);
-	ABORT_ON(parse_events_add_pmu(list, &data->idx, "cpu", head));
+	ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
 	parse_events__free_terms(head);
 	$$ = list;
 }
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index 885e8ac..6b8eb13 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -6,6 +6,7 @@
 	SMPL_REG_END
 };
 
+#ifdef HAVE_PERF_REGS_SUPPORT
 int perf_reg_value(u64 *valp, struct regs_dump *regs, int id)
 {
 	int i, idx = 0;
@@ -29,3 +30,4 @@
 	*valp = regs->cache_regs[id];
 	return 0;
 }
+#endif
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index 2984dcc..679d6e4 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -2,6 +2,7 @@
 #define __PERF_REGS_H
 
 #include <linux/types.h>
+#include <linux/compiler.h>
 
 struct regs_dump;
 
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index eb5f18b..c6f9af7 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -270,12 +270,13 @@
 	int ret = 0;
 
 	if (module) {
-		list_for_each_entry(dso, &host_machine->dsos.head, node) {
-			if (!dso->kernel)
-				continue;
-			if (strncmp(dso->short_name + 1, module,
-				    dso->short_name_len - 2) == 0)
-				goto found;
+		char module_name[128];
+
+		snprintf(module_name, sizeof(module_name), "[%s]", module);
+		map = map_groups__find_by_name(&host_machine->kmaps, MAP__FUNCTION, module_name);
+		if (map) {
+			dso = map->dso;
+			goto found;
 		}
 		pr_debug("Failed to find module %s.\n", module);
 		return -ENOENT;
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 8a4537e..fc3f7c9 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1580,7 +1580,10 @@
 	file_offset = page_offset;
 	head = data_offset - page_offset;
 
-	if (data_size && (data_offset + data_size < file_size))
+	if (data_size == 0)
+		goto out;
+
+	if (data_offset + data_size < file_size)
 		file_size = data_offset + data_size;
 
 	ui_progress__init(&prog, file_size, "Processing events...");
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 415c359..2d065d0 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -196,7 +196,8 @@
 		memset(counter->per_pkg_mask, 0, MAX_NR_CPUS);
 }
 
-static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip)
+static int check_per_pkg(struct perf_evsel *counter,
+			 struct perf_counts_values *vals, int cpu, bool *skip)
 {
 	unsigned long *mask = counter->per_pkg_mask;
 	struct cpu_map *cpus = perf_evsel__cpus(counter);
@@ -218,6 +219,17 @@
 		counter->per_pkg_mask = mask;
 	}
 
+	/*
+	 * we do not consider an event that has not run as a good
+	 * instance to mark a package as used (skip=1). Otherwise
+	 * we may run into a situation where the first CPU in a package
+	 * is not running anything, yet the second is, and this function
+	 * would mark the package as used after the first CPU and would
+	 * not read the values from the second CPU.
+	 */
+	if (!(vals->run && vals->ena))
+		return 0;
+
 	s = cpu_map__get_socket(cpus, cpu);
 	if (s < 0)
 		return -1;
@@ -235,7 +247,7 @@
 	static struct perf_counts_values zero;
 	bool skip = false;
 
-	if (check_per_pkg(evsel, cpu, &skip)) {
+	if (check_per_pkg(evsel, count, cpu, &skip)) {
 		pr_err("failed to read per-pkg counter\n");
 		return -1;
 	}
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 53bb5f5..475d88d 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -38,7 +38,7 @@
 #endif
 
 #ifndef HAVE_ELF_GETPHDRNUM_SUPPORT
-int elf_getphdrnum(Elf *elf, size_t *dst)
+static int elf_getphdrnum(Elf *elf, size_t *dst)
 {
 	GElf_Ehdr gehdr;
 	GElf_Ehdr *ehdr;
@@ -1271,8 +1271,6 @@
 static int kcore__init(struct kcore *kcore, char *filename, int elfclass,
 		       bool temp)
 {
-	GElf_Ehdr *ehdr;
-
 	kcore->elfclass = elfclass;
 
 	if (temp)
@@ -1289,9 +1287,7 @@
 	if (!gelf_newehdr(kcore->elf, elfclass))
 		goto out_end;
 
-	ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr);
-	if (!ehdr)
-		goto out_end;
+	memset(&kcore->ehdr, 0, sizeof(GElf_Ehdr));
 
 	return 0;
 
@@ -1348,23 +1344,18 @@
 static int kcore__add_phdr(struct kcore *kcore, int idx, off_t offset,
 			   u64 addr, u64 len)
 {
-	GElf_Phdr gphdr;
-	GElf_Phdr *phdr;
+	GElf_Phdr phdr = {
+		.p_type		= PT_LOAD,
+		.p_flags	= PF_R | PF_W | PF_X,
+		.p_offset	= offset,
+		.p_vaddr	= addr,
+		.p_paddr	= 0,
+		.p_filesz	= len,
+		.p_memsz	= len,
+		.p_align	= page_size,
+	};
 
-	phdr = gelf_getphdr(kcore->elf, idx, &gphdr);
-	if (!phdr)
-		return -1;
-
-	phdr->p_type	= PT_LOAD;
-	phdr->p_flags	= PF_R | PF_W | PF_X;
-	phdr->p_offset	= offset;
-	phdr->p_vaddr	= addr;
-	phdr->p_paddr	= 0;
-	phdr->p_filesz	= len;
-	phdr->p_memsz	= len;
-	phdr->p_align	= page_size;
-
-	if (!gelf_update_phdr(kcore->elf, idx, phdr))
+	if (!gelf_update_phdr(kcore->elf, idx, &phdr))
 		return -1;
 
 	return 0;
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 7acafb3..c2cd9bf2 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -709,7 +709,7 @@
 
 	dir = opendir(procfs__mountpoint());
 	if (!dir)
-		return -1;
+		return false;
 
 	/* Walk through the directory. */
 	while (ret && (d = readdir(dir)) != NULL) {
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 9655cb4..bde0ef1 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -71,8 +71,11 @@
 unsigned int extra_msr_offset64;
 unsigned int extra_delta_offset32;
 unsigned int extra_delta_offset64;
+unsigned int aperf_mperf_multiplier = 1;
 int do_smi;
 double bclk;
+double base_hz;
+double tsc_tweak = 1.0;
 unsigned int show_pkg;
 unsigned int show_core;
 unsigned int show_cpu;
@@ -502,7 +505,7 @@
 	/* %Busy */
 	if (has_aperf) {
 		if (!skip_c0)
-			outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc);
+			outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak);
 		else
 			outp += sprintf(outp, "********");
 	}
@@ -510,7 +513,7 @@
 	/* Bzy_MHz */
 	if (has_aperf)
 		outp += sprintf(outp, "%8.0f",
-			1.0 * t->tsc / units * t->aperf / t->mperf / interval_float);
+			1.0 * t->tsc * tsc_tweak / units * t->aperf / t->mperf / interval_float);
 
 	/* TSC_MHz */
 	outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float);
@@ -984,6 +987,8 @@
 			return -3;
 		if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
 			return -4;
+		t->aperf = t->aperf * aperf_mperf_multiplier;
+		t->mperf = t->mperf * aperf_mperf_multiplier;
 	}
 
 	if (do_smi) {
@@ -1149,6 +1154,19 @@
 int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
 int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
 
+
+static void
+calculate_tsc_tweak()
+{
+	unsigned long long msr;
+	unsigned int base_ratio;
+
+	get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr);
+	base_ratio = (msr >> 8) & 0xFF;
+	base_hz = base_ratio * bclk * 1000000;
+	tsc_tweak = base_hz / tsc_hz;
+}
+
 static void
 dump_nhm_platform_info(void)
 {
@@ -1926,8 +1944,6 @@
 
 	switch (model) {
 	case 0x3A:	/* IVB */
-	case 0x3E:	/* IVB Xeon */
-
 	case 0x3C:	/* HSW */
 	case 0x3F:	/* HSX */
 	case 0x45:	/* HSW */
@@ -2543,6 +2559,13 @@
 	return 0;
 }
 
+unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model)
+{
+	if (is_knl(family, model))
+		return 1024;
+	return 1;
+}
+
 #define SLM_BCLK_FREQS 5
 double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
 
@@ -2744,6 +2767,9 @@
 		}
 	}
 
+	if (has_aperf)
+		aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model);
+
 	do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model);
 	do_snb_cstates = has_snb_msrs(family, model);
 	do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2);
@@ -2762,6 +2788,9 @@
 	if (debug)
 		dump_cstate_pstate_config_info();
 
+	if (has_skl_msrs(family, model))
+		calculate_tsc_tweak();
+
 	return;
 }
 
@@ -3090,7 +3119,7 @@
 }
 
 void print_version() {
-	fprintf(stderr, "turbostat version 4.7 17-June, 2015"
+	fprintf(stderr, "turbostat version 4.8 26-Sep, 2015"
 		" - Len Brown <lenb@kernel.org>\n");
 }
 
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 89b05e22..cfe1213 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -16,12 +16,12 @@
 TARGETS += ptrace
 TARGETS += seccomp
 TARGETS += size
+TARGETS += static_keys
 TARGETS += sysctl
 ifneq (1, $(quicktest))
 TARGETS += timers
 endif
 TARGETS += user
-TARGETS += jumplabel
 TARGETS += vm
 TARGETS += x86
 TARGETS += zram
diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index 6b76bfd..4e400eb 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -1,6 +1,6 @@
 CFLAGS = -Wall
 BINARIES = execveat
-DEPS = execveat.symlink execveat.denatured script
+DEPS = execveat.symlink execveat.denatured script subdir
 all: $(BINARIES) $(DEPS)
 
 subdir:
@@ -22,7 +22,5 @@
 
 include ../lib.mk
 
-override EMIT_TESTS := echo "mkdir -p subdir; (./execveat && echo \"selftests: execveat [PASS]\") || echo \"selftests: execveat [FAIL]\""
-
 clean:
 	rm -rf $(BINARIES) $(DEPS) subdir.moved execveat.moved xxxxx*
diff --git a/tools/testing/selftests/ftrace/Makefile b/tools/testing/selftests/ftrace/Makefile
index 0acbeca..4e6ed13 100644
--- a/tools/testing/selftests/ftrace/Makefile
+++ b/tools/testing/selftests/ftrace/Makefile
@@ -1,7 +1,7 @@
 all:
 
 TEST_PROGS := ftracetest
-TEST_DIRS := test.d/
+TEST_DIRS := test.d
 
 include ../lib.mk
 
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 97f1c67..50a93f5 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -12,13 +12,10 @@
 	$(RUN_TESTS)
 
 define INSTALL_RULE
-	@if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then			\
-		mkdir -p $(INSTALL_PATH);								\
-		for TEST_DIR in $(TEST_DIRS); do							\
-			cp -r $$TEST_DIR $(INSTALL_PATH);						\
-		done;											\
-		echo "install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)";	\
-		install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES);		\
+	@if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then					\
+		mkdir -p ${INSTALL_PATH};										\
+		echo "rsync -a $(TEST_DIRS) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/";	\
+		rsync -a $(TEST_DIRS) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/;		\
 	fi
 endef
 
diff --git a/tools/testing/selftests/membarrier/Makefile b/tools/testing/selftests/membarrier/Makefile
index 877a503..a1a9708 100644
--- a/tools/testing/selftests/membarrier/Makefile
+++ b/tools/testing/selftests/membarrier/Makefile
@@ -1,11 +1,10 @@
 CFLAGS += -g -I../../../../usr/include/
 
-all:
-	$(CC) $(CFLAGS) membarrier_test.c -o membarrier_test
-
 TEST_PROGS := membarrier_test
 
+all: $(TEST_PROGS)
+
 include ../lib.mk
 
 clean:
-	$(RM) membarrier_test
+	$(RM) $(TEST_PROGS)
diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c
index dde3125..535f0fe 100644
--- a/tools/testing/selftests/membarrier/membarrier_test.c
+++ b/tools/testing/selftests/membarrier/membarrier_test.c
@@ -1,9 +1,6 @@
 #define _GNU_SOURCE
-#define __EXPORTED_HEADERS__
-
 #include <linux/membarrier.h>
-#include <asm-generic/unistd.h>
-#include <sys/syscall.h>
+#include <syscall.h>
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
diff --git a/tools/testing/selftests/mqueue/Makefile b/tools/testing/selftests/mqueue/Makefile
index 0e3b41e..eebac29 100644
--- a/tools/testing/selftests/mqueue/Makefile
+++ b/tools/testing/selftests/mqueue/Makefile
@@ -1,8 +1,8 @@
-CFLAGS = -O2
+CFLAGS += -O2
+LDLIBS = -lrt -lpthread -lpopt
+TEST_PROGS := mq_open_tests mq_perf_tests
 
-all:
-	$(CC) $(CFLAGS) mq_open_tests.c -o mq_open_tests -lrt
-	$(CC) $(CFLAGS) -o mq_perf_tests mq_perf_tests.c -lrt -lpthread -lpopt
+all: $(TEST_PROGS)
 
 include ../lib.mk
 
@@ -11,8 +11,6 @@
 	@./mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
 endef
 
-TEST_PROGS := mq_open_tests mq_perf_tests
-
 override define EMIT_TESTS
 	echo "./mq_open_tests /test1 || echo \"selftests: mq_open_tests [FAIL]\""
 	echo "./mq_perf_tests || echo \"selftests: mq_perf_tests [FAIL]\""
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index a004b4c..770f47a 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1210,6 +1210,10 @@
 # define ARCH_REGS	struct pt_regs
 # define SYSCALL_NUM	gpr[0]
 # define SYSCALL_RET	gpr[3]
+#elif defined(__s390__)
+# define ARCH_REGS     s390_regs
+# define SYSCALL_NUM   gprs[2]
+# define SYSCALL_RET   gprs[2]
 #else
 # error "Do not know how to find your architecture's registers and syscalls"
 #endif
@@ -1243,7 +1247,8 @@
 	ret = ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &iov);
 	EXPECT_EQ(0, ret);
 
-#if defined(__x86_64__) || defined(__i386__) || defined(__aarch64__) || defined(__powerpc__)
+#if defined(__x86_64__) || defined(__i386__) || defined(__aarch64__) || \
+    defined(__powerpc__) || defined(__s390__)
 	{
 		regs.SYSCALL_NUM = syscall;
 	}
@@ -1281,17 +1286,21 @@
 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);
 	EXPECT_EQ(0, ret);
 
+	/* Validate and take action on expected syscalls. */
 	switch (msg) {
 	case 0x1002:
 		/* change getpid to getppid. */
+		EXPECT_EQ(__NR_getpid, get_syscall(_metadata, tracee));
 		change_syscall(_metadata, tracee, __NR_getppid);
 		break;
 	case 0x1003:
 		/* skip gettid. */
+		EXPECT_EQ(__NR_gettid, get_syscall(_metadata, tracee));
 		change_syscall(_metadata, tracee, -1);
 		break;
 	case 0x1004:
 		/* do nothing (allow getppid) */
+		EXPECT_EQ(__NR_getppid, get_syscall(_metadata, tracee));
 		break;
 	default:
 		EXPECT_EQ(0, msg) {
@@ -1409,6 +1418,8 @@
 #  define __NR_seccomp 277
 # elif defined(__powerpc__)
 #  define __NR_seccomp 358
+# elif defined(__s390__)
+#  define __NR_seccomp 348
 # else
 #  warning "seccomp syscall number unknown for this architecture"
 #  define __NR_seccomp 0xffff
@@ -1453,6 +1464,9 @@
 
 	/* Reject insane operation. */
 	ret = seccomp(-1, 0, &prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	EXPECT_EQ(EINVAL, errno) {
 		TH_LOG("Did not reject crazy op value!");
 	}
@@ -1501,6 +1515,9 @@
 	}
 
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	EXPECT_EQ(0, ret) {
 		TH_LOG("Could not install filter!");
 	}
@@ -1535,6 +1552,9 @@
 
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, SECCOMP_FLAG_FILTER_TSYNC,
 		      &prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	EXPECT_EQ(0, ret) {
 		TH_LOG("Could not install initial filter with TSYNC!");
 	}
@@ -1694,6 +1714,9 @@
 
 	/* Check prctl failure detection by requesting sib 0 diverge. */
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	ASSERT_EQ(0, ret) {
 		TH_LOG("setting filter failed");
 	}
@@ -1731,6 +1754,9 @@
 	}
 
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, 0, &self->root_prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	ASSERT_EQ(0, ret) {
 		TH_LOG("Kernel does not support SECCOMP_SET_MODE_FILTER!");
 	}
@@ -1805,6 +1831,9 @@
 
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, SECCOMP_FLAG_FILTER_TSYNC,
 		      &self->apply_prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	ASSERT_EQ(0, ret) {
 		TH_LOG("Could install filter on all threads!");
 	}
@@ -1833,6 +1862,9 @@
 	}
 
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, 0, &self->root_prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	ASSERT_EQ(0, ret) {
 		TH_LOG("Kernel does not support SECCOMP_SET_MODE_FILTER!");
 	}
@@ -1890,6 +1922,9 @@
 	}
 
 	ret = seccomp(SECCOMP_SET_MODE_FILTER, 0, &self->root_prog);
+	ASSERT_NE(ENOSYS, errno) {
+		TH_LOG("Kernel does not support seccomp syscall!");
+	}
 	ASSERT_EQ(0, ret) {
 		TH_LOG("Kernel does not support SECCOMP_SET_MODE_FILTER!");
 	}
diff --git a/tools/testing/selftests/seccomp/test_harness.h b/tools/testing/selftests/seccomp/test_harness.h
index 977a6af..fb28416 100644
--- a/tools/testing/selftests/seccomp/test_harness.h
+++ b/tools/testing/selftests/seccomp/test_harness.h
@@ -370,11 +370,8 @@
 	__typeof__(_expected) __exp = (_expected); \
 	__typeof__(_seen) __seen = (_seen); \
 	if (!(__exp _t __seen)) { \
-		unsigned long long __exp_print = 0; \
-		unsigned long long __seen_print = 0; \
-		/* Avoid casting complaints the scariest way we can. */ \
-		memcpy(&__exp_print, &__exp, sizeof(__exp)); \
-		memcpy(&__seen_print, &__seen, sizeof(__seen)); \
+		unsigned long long __exp_print = (unsigned long long)__exp; \
+		unsigned long long __seen_print = (unsigned long long)__seen; \
 		__TH_LOG("Expected %s (%llu) %s %s (%llu)", \
 			 #_expected, __exp_print, #_t, \
 			 #_seen, __seen_print); \
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index d36fab7..3c53cac 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,6 +1,6 @@
 # Makefile for vm selftests
 
-CFLAGS = -Wall
+CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
 BINARIES = compaction_test
 BINARIES += hugepage-mmap
 BINARIES += hugepage-shm
@@ -12,8 +12,11 @@
 all: $(BINARIES)
 %: %.c
 	$(CC) $(CFLAGS) -o $@ $^ -lrt
-userfaultfd: userfaultfd.c
-	$(CC) $(CFLAGS) -O2 -o $@ $^ -lpthread
+userfaultfd: userfaultfd.c ../../../../usr/include/linux/kernel.h
+	$(CC) $(CFLAGS) -O2 -o $@ $< -lpthread
+
+../../../../usr/include/linux/kernel.h:
+	make -C ../../../.. headers_install
 
 TEST_PROGS := run_vmtests
 TEST_FILES := $(BINARIES)
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index 2c7cca6..d77ed41 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -64,17 +64,9 @@
 #include <sys/syscall.h>
 #include <sys/ioctl.h>
 #include <pthread.h>
-#include "../../../../include/uapi/linux/userfaultfd.h"
+#include <linux/userfaultfd.h>
 
-#ifdef __x86_64__
-#define __NR_userfaultfd 323
-#elif defined(__i386__)
-#define __NR_userfaultfd 374
-#elif defined(__powewrpc__)
-#define __NR_userfaultfd 364
-#else
-#error "missing __NR_userfaultfd definition"
-#endif
+#ifdef __NR_userfaultfd
 
 static unsigned long nr_cpus, nr_pages, nr_pages_per_cpu, page_size;
 
@@ -430,7 +422,7 @@
 	struct uffdio_register uffdio_register;
 	struct uffdio_api uffdio_api;
 	unsigned long cpu;
-	int uffd_flags;
+	int uffd_flags, err;
 	unsigned long userfaults[nr_cpus];
 
 	if (posix_memalign(&area, page_size, nr_pages * page_size)) {
@@ -473,6 +465,14 @@
 		*area_mutex(area_src, nr) = (pthread_mutex_t)
 			PTHREAD_MUTEX_INITIALIZER;
 		count_verify[nr] = *area_count(area_src, nr) = 1;
+		/*
+		 * In the transition between 255 to 256, powerpc will
+		 * read out of order in my_bcmp and see both bytes as
+		 * zero, so leave a placeholder below always non-zero
+		 * after the count, to avoid my_bcmp to trigger false
+		 * positives.
+		 */
+		*(area_count(area_src, nr) + 1) = 1;
 	}
 
 	pipefd = malloc(sizeof(int) * nr_cpus * 2);
@@ -499,6 +499,7 @@
 	pthread_attr_init(&attr);
 	pthread_attr_setstacksize(&attr, 16*1024*1024);
 
+	err = 0;
 	while (bounces--) {
 		unsigned long expected_ioctls;
 
@@ -579,20 +580,13 @@
 		/* verification */
 		if (bounces & BOUNCE_VERIFY) {
 			for (nr = 0; nr < nr_pages; nr++) {
-				if (my_bcmp(area_dst,
-					    area_dst + nr * page_size,
-					    sizeof(pthread_mutex_t))) {
-					fprintf(stderr,
-						"error mutex 2 %lu\n",
-						nr);
-					bounces = 0;
-				}
 				if (*area_count(area_dst, nr) != count_verify[nr]) {
 					fprintf(stderr,
 						"error area_count %Lu %Lu %lu\n",
 						*area_count(area_src, nr),
 						count_verify[nr],
 						nr);
+					err = 1;
 					bounces = 0;
 				}
 			}
@@ -609,7 +603,7 @@
 		printf("\n");
 	}
 
-	return 0;
+	return err;
 }
 
 int main(int argc, char **argv)
@@ -618,8 +612,8 @@
 		fprintf(stderr, "Usage: <MiB> <bounces>\n"), exit(1);
 	nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
 	page_size = sysconf(_SC_PAGE_SIZE);
-	if ((unsigned long) area_count(NULL, 0) + sizeof(unsigned long long) >
-	    page_size)
+	if ((unsigned long) area_count(NULL, 0) + sizeof(unsigned long long) * 2
+	    > page_size)
 		fprintf(stderr, "Impossible to run this test\n"), exit(2);
 	nr_pages_per_cpu = atol(argv[1]) * 1024*1024 / page_size /
 		nr_cpus;
@@ -637,3 +631,15 @@
 	       nr_pages, nr_pages_per_cpu);
 	return userfaultfd_stress();
 }
+
+#else /* __NR_userfaultfd */
+
+#warning "missing __NR_userfaultfd definition"
+
+int main(void)
+{
+	printf("skip: Skipping userfaultfd test (missing __NR_userfaultfd)\n");
+	return 0;
+}
+
+#endif /* __NR_userfaultfd */
diff --git a/tools/testing/selftests/x86/entry_from_vm86.c b/tools/testing/selftests/x86/entry_from_vm86.c
index 9a43a59..421c607 100644
--- a/tools/testing/selftests/x86/entry_from_vm86.c
+++ b/tools/testing/selftests/x86/entry_from_vm86.c
@@ -116,8 +116,9 @@
 	v86->regs.eip = eip;
 	ret = vm86(VM86_ENTER, v86);
 
-	if (ret == -1 && errno == ENOSYS) {
-		printf("[SKIP]\tvm86 not supported\n");
+	if (ret == -1 && (errno == ENOSYS || errno == EPERM)) {
+		printf("[SKIP]\tvm86 %s\n",
+		       errno == ENOSYS ? "not supported" : "not allowed");
 		return false;
 	}
 
diff --git a/tools/testing/selftests/zram/zram.sh b/tools/testing/selftests/zram/zram.sh
index 20de9a7..683a292 100755
--- a/tools/testing/selftests/zram/zram.sh
+++ b/tools/testing/selftests/zram/zram.sh
@@ -1,15 +1,7 @@
 #!/bin/bash
 TCID="zram.sh"
 
-check_prereqs()
-{
-	local msg="skip all tests:"
-
-	if [ $UID != 0 ]; then
-		echo $msg must be run as root >&2
-		exit 0
-	fi
-}
+. ./zram_lib.sh
 
 run_zram () {
 echo "--------------------"
diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh
index 424e68e..f6a9c73 100755
--- a/tools/testing/selftests/zram/zram_lib.sh
+++ b/tools/testing/selftests/zram/zram_lib.sh
@@ -23,8 +23,9 @@
 check_prereqs()
 {
 	local msg="skip all tests:"
+	local uid=$(id -u)
 
-	if [ $UID != 0 ]; then
+	if [ $uid -ne 0 ]; then
 		echo $msg must be run as root >&2
 		exit 0
 	fi
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile
index 505ad51..39c89a5 100644
--- a/tools/virtio/Makefile
+++ b/tools/virtio/Makefile
@@ -6,7 +6,7 @@
 CFLAGS += -g -O2 -Werror -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE
 vpath %.c ../../drivers/virtio ../../drivers/vhost
 mod:
-	${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test
+	${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}
 .PHONY: all test mod clean
 clean:
 	${RM} *.o vringh_test virtio_test vhost_test/*.o vhost_test/.*.cmd \
diff --git a/tools/virtio/asm/barrier.h b/tools/virtio/asm/barrier.h
index aff61e1..26b7926 100644
--- a/tools/virtio/asm/barrier.h
+++ b/tools/virtio/asm/barrier.h
@@ -3,6 +3,8 @@
 #define mb() __sync_synchronize()
 
 #define smp_mb()	mb()
+# define dma_rmb()	barrier()
+# define dma_wmb()	barrier()
 # define smp_rmb()	barrier()
 # define smp_wmb()	barrier()
 /* Weak barriers should be used. If not - it's a bug */
diff --git a/tools/virtio/linux/export.h b/tools/virtio/linux/export.h
new file mode 100644
index 0000000..416875e
--- /dev/null
+++ b/tools/virtio/linux/export.h
@@ -0,0 +1,3 @@
+#define EXPORT_SYMBOL_GPL(sym) extern typeof(sym) sym
+#define EXPORT_SYMBOL(sym) extern typeof(sym) sym
+
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index 1e8ce69..0a3da64 100644
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -22,6 +22,7 @@
 
 typedef unsigned long long dma_addr_t;
 typedef size_t __kernel_size_t;
+typedef unsigned int __wsum;
 
 struct page {
 	unsigned long long dummy;
@@ -47,6 +48,13 @@
 		return __kmalloc_fake;
 	return malloc(s);
 }
+static inline void *kzalloc(size_t s, gfp_t gfp)
+{
+	void *p = kmalloc(s, gfp);
+
+	memset(p, 0, s);
+	return p;
+}
 
 static inline void kfree(void *p)
 {
diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c
index 76e38d2..48c6e1a 100644
--- a/virt/kvm/arm/arch_timer.c
+++ b/virt/kvm/arm/arch_timer.c
@@ -200,6 +200,14 @@
 	timer->irq = irq;
 
 	/*
+	 * The bits in CNTV_CTL are architecturally reset to UNKNOWN for ARMv8
+	 * and to 0 for ARMv7.  We provide an implementation that always
+	 * resets the timer to be disabled and unmasked and is compliant with
+	 * the ARMv7 architecture.
+	 */
+	timer->cntv_ctl = 0;
+
+	/*
 	 * Tell the VGIC that the virtual interrupt is tied to a
 	 * physical interrupt. We do that once per VCPU.
 	 */
diff --git a/virt/kvm/arm/vgic-v3.c b/virt/kvm/arm/vgic-v3.c
index afbf925..7dd5d62 100644
--- a/virt/kvm/arm/vgic-v3.c
+++ b/virt/kvm/arm/vgic-v3.c
@@ -288,7 +288,7 @@
 
 	vgic->vctrl_base = NULL;
 	vgic->type = VGIC_V3;
-	vgic->max_gic_vcpus = KVM_MAX_VCPUS;
+	vgic->max_gic_vcpus = VGIC_V3_MAX_CPUS;
 
 	kvm_info("%s@%llx IRQ%d\n", vgic_node->name,
 		 vcpu_res.start, vgic->maint_irq);
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 9eb489a..6bd1c9b 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1144,26 +1144,11 @@
 		struct irq_phys_map *map;
 		map = vgic_irq_map_search(vcpu, irq);
 
-		/*
-		 * If we have a mapping, and the virtual interrupt is
-		 * being injected, then we must set the state to
-		 * active in the physical world. Otherwise the
-		 * physical interrupt will fire and the guest will
-		 * exit before processing the virtual interrupt.
-		 */
 		if (map) {
-			int ret;
-
-			BUG_ON(!map->active);
 			vlr.hwirq = map->phys_irq;
 			vlr.state |= LR_HW;
 			vlr.state &= ~LR_EOI_INT;
 
-			ret = irq_set_irqchip_state(map->irq,
-						    IRQCHIP_STATE_ACTIVE,
-						    true);
-			WARN_ON(ret);
-
 			/*
 			 * Make sure we're not going to sample this
 			 * again, as a HW-backed interrupt cannot be
@@ -1255,7 +1240,7 @@
 	struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
 	struct vgic_dist *dist = &vcpu->kvm->arch.vgic;
 	unsigned long *pa_percpu, *pa_shared;
-	int i, vcpu_id;
+	int i, vcpu_id, lr, ret;
 	int overflow = 0;
 	int nr_shared = vgic_nr_shared_irqs(dist);
 
@@ -1310,6 +1295,31 @@
 		 */
 		clear_bit(vcpu_id, dist->irq_pending_on_cpu);
 	}
+
+	for (lr = 0; lr < vgic->nr_lr; lr++) {
+		struct vgic_lr vlr;
+
+		if (!test_bit(lr, vgic_cpu->lr_used))
+			continue;
+
+		vlr = vgic_get_lr(vcpu, lr);
+
+		/*
+		 * If we have a mapping, and the virtual interrupt is
+		 * presented to the guest (as pending or active), then we must
+		 * set the state to active in the physical world. See
+		 * Documentation/virtual/kvm/arm/vgic-mapped-irqs.txt.
+		 */
+		if (vlr.state & LR_HW) {
+			struct irq_phys_map *map;
+			map = vgic_irq_map_search(vcpu, vlr.irq);
+
+			ret = irq_set_irqchip_state(map->irq,
+						    IRQCHIP_STATE_ACTIVE,
+						    true);
+			WARN_ON(ret);
+		}
+	}
 }
 
 static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
diff --git a/virt/kvm/coalesced_mmio.h b/virt/kvm/coalesced_mmio.h
index 5cbf190..6bca74c 100644
--- a/virt/kvm/coalesced_mmio.h
+++ b/virt/kvm/coalesced_mmio.h
@@ -24,9 +24,9 @@
 int kvm_coalesced_mmio_init(struct kvm *kvm);
 void kvm_coalesced_mmio_free(struct kvm *kvm);
 int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
-																				struct kvm_coalesced_mmio_zone *zone);
+					struct kvm_coalesced_mmio_zone *zone);
 int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
-																				struct kvm_coalesced_mmio_zone *zone);
+					struct kvm_coalesced_mmio_zone *zone);
 
 #else
 
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 9ff4193..79db453 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -771,40 +771,14 @@
 	return KVM_MMIO_BUS;
 }
 
-static int
-kvm_assign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
+static int kvm_assign_ioeventfd_idx(struct kvm *kvm,
+				enum kvm_bus bus_idx,
+				struct kvm_ioeventfd *args)
 {
-	enum kvm_bus              bus_idx;
-	struct _ioeventfd        *p;
-	struct eventfd_ctx       *eventfd;
-	int                       ret;
 
-	bus_idx = ioeventfd_bus_from_flags(args->flags);
-	/* must be natural-word sized, or 0 to ignore length */
-	switch (args->len) {
-	case 0:
-	case 1:
-	case 2:
-	case 4:
-	case 8:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	/* check for range overflow */
-	if (args->addr + args->len < args->addr)
-		return -EINVAL;
-
-	/* check for extra flags that we don't understand */
-	if (args->flags & ~KVM_IOEVENTFD_VALID_FLAG_MASK)
-		return -EINVAL;
-
-	/* ioeventfd with no length can't be combined with DATAMATCH */
-	if (!args->len &&
-	    args->flags & (KVM_IOEVENTFD_FLAG_PIO |
-			   KVM_IOEVENTFD_FLAG_DATAMATCH))
-		return -EINVAL;
+	struct eventfd_ctx *eventfd;
+	struct _ioeventfd *p;
+	int ret;
 
 	eventfd = eventfd_ctx_fdget(args->fd);
 	if (IS_ERR(eventfd))
@@ -843,16 +817,6 @@
 	if (ret < 0)
 		goto unlock_fail;
 
-	/* When length is ignored, MMIO is also put on a separate bus, for
-	 * faster lookups.
-	 */
-	if (!args->len && !(args->flags & KVM_IOEVENTFD_FLAG_PIO)) {
-		ret = kvm_io_bus_register_dev(kvm, KVM_FAST_MMIO_BUS,
-					      p->addr, 0, &p->dev);
-		if (ret < 0)
-			goto register_fail;
-	}
-
 	kvm->buses[bus_idx]->ioeventfd_count++;
 	list_add_tail(&p->list, &kvm->ioeventfds);
 
@@ -860,8 +824,6 @@
 
 	return 0;
 
-register_fail:
-	kvm_io_bus_unregister_dev(kvm, bus_idx, &p->dev);
 unlock_fail:
 	mutex_unlock(&kvm->slots_lock);
 
@@ -873,14 +835,13 @@
 }
 
 static int
-kvm_deassign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
+kvm_deassign_ioeventfd_idx(struct kvm *kvm, enum kvm_bus bus_idx,
+			   struct kvm_ioeventfd *args)
 {
-	enum kvm_bus              bus_idx;
 	struct _ioeventfd        *p, *tmp;
 	struct eventfd_ctx       *eventfd;
 	int                       ret = -ENOENT;
 
-	bus_idx = ioeventfd_bus_from_flags(args->flags);
 	eventfd = eventfd_ctx_fdget(args->fd);
 	if (IS_ERR(eventfd))
 		return PTR_ERR(eventfd);
@@ -901,10 +862,6 @@
 			continue;
 
 		kvm_io_bus_unregister_dev(kvm, bus_idx, &p->dev);
-		if (!p->length) {
-			kvm_io_bus_unregister_dev(kvm, KVM_FAST_MMIO_BUS,
-						  &p->dev);
-		}
 		kvm->buses[bus_idx]->ioeventfd_count--;
 		ioeventfd_release(p);
 		ret = 0;
@@ -918,6 +875,71 @@
 	return ret;
 }
 
+static int kvm_deassign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
+{
+	enum kvm_bus bus_idx = ioeventfd_bus_from_flags(args->flags);
+	int ret = kvm_deassign_ioeventfd_idx(kvm, bus_idx, args);
+
+	if (!args->len && bus_idx == KVM_MMIO_BUS)
+		kvm_deassign_ioeventfd_idx(kvm, KVM_FAST_MMIO_BUS, args);
+
+	return ret;
+}
+
+static int
+kvm_assign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
+{
+	enum kvm_bus              bus_idx;
+	int ret;
+
+	bus_idx = ioeventfd_bus_from_flags(args->flags);
+	/* must be natural-word sized, or 0 to ignore length */
+	switch (args->len) {
+	case 0:
+	case 1:
+	case 2:
+	case 4:
+	case 8:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* check for range overflow */
+	if (args->addr + args->len < args->addr)
+		return -EINVAL;
+
+	/* check for extra flags that we don't understand */
+	if (args->flags & ~KVM_IOEVENTFD_VALID_FLAG_MASK)
+		return -EINVAL;
+
+	/* ioeventfd with no length can't be combined with DATAMATCH */
+	if (!args->len &&
+	    args->flags & (KVM_IOEVENTFD_FLAG_PIO |
+			   KVM_IOEVENTFD_FLAG_DATAMATCH))
+		return -EINVAL;
+
+	ret = kvm_assign_ioeventfd_idx(kvm, bus_idx, args);
+	if (ret)
+		goto fail;
+
+	/* When length is ignored, MMIO is also put on a separate bus, for
+	 * faster lookups.
+	 */
+	if (!args->len && bus_idx == KVM_MMIO_BUS) {
+		ret = kvm_assign_ioeventfd_idx(kvm, KVM_FAST_MMIO_BUS, args);
+		if (ret < 0)
+			goto fast_fail;
+	}
+
+	return 0;
+
+fast_fail:
+	kvm_deassign_ioeventfd_idx(kvm, bus_idx, args);
+fail:
+	return ret;
+}
+
 int
 kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 {
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a25a731..8db1d93 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -66,8 +66,8 @@
 MODULE_AUTHOR("Qumranet");
 MODULE_LICENSE("GPL");
 
-/* halt polling only reduces halt latency by 5-7 us, 500us is enough */
-static unsigned int halt_poll_ns = 500000;
+/* Architectures should define their poll value according to the halt latency */
+static unsigned int halt_poll_ns = KVM_HALT_POLL_NS_DEFAULT;
 module_param(halt_poll_ns, uint, S_IRUGO | S_IWUSR);
 
 /* Default doubles per-vcpu halt_poll_ns. */
@@ -2004,6 +2004,7 @@
 	if (vcpu->halt_poll_ns) {
 		ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns);
 
+		++vcpu->stat.halt_attempted_poll;
 		do {
 			/*
 			 * This sets KVM_REQ_UNHALT if an interrupt
@@ -2043,7 +2044,8 @@
 		else if (vcpu->halt_poll_ns < halt_poll_ns &&
 			block_ns < halt_poll_ns)
 			grow_halt_poll_ns(vcpu);
-	}
+	} else
+		vcpu->halt_poll_ns = 0;
 
 	trace_kvm_vcpu_wakeup(block_ns, waited);
 }
@@ -3156,10 +3158,25 @@
 static inline int kvm_io_bus_cmp(const struct kvm_io_range *r1,
 				 const struct kvm_io_range *r2)
 {
-	if (r1->addr < r2->addr)
+	gpa_t addr1 = r1->addr;
+	gpa_t addr2 = r2->addr;
+
+	if (addr1 < addr2)
 		return -1;
-	if (r1->addr + r1->len > r2->addr + r2->len)
+
+	/* If r2->len == 0, match the exact address.  If r2->len != 0,
+	 * accept any overlapping write.  Any order is acceptable for
+	 * overlapping ranges, because kvm_io_bus_get_first_dev ensures
+	 * we process all of them.
+	 */
+	if (r2->len) {
+		addr1 += r1->len;
+		addr2 += r2->len;
+	}
+
+	if (addr1 > addr2)
 		return 1;
+
 	return 0;
 }