diff --git a/.mailmap b/.mailmap
index 90c0aef..c156a8b 100644
--- a/.mailmap
+++ b/.mailmap
@@ -48,6 +48,9 @@
 Felix Moeller <felix@derklecks.de>
 Filipe Lautert <filipe@icewall.org>
 Franck Bui-Huu <vagabon.xyz@gmail.com>
+Frank Rowand <frowand.list@gmail.com> <frowand@mvista.com>
+Frank Rowand <frowand.list@gmail.com> <frank.rowand@am.sony.com>
+Frank Rowand <frowand.list@gmail.com> <frank.rowand@sonymobile.com>
 Frank Zago <fzago@systemfabricworks.com>
 Greg Kroah-Hartman <greg@echidna.(none)>
 Greg Kroah-Hartman <gregkh@suse.de>
@@ -79,6 +82,7 @@
 Kenneth W Chen <kenneth.w.chen@intel.com>
 Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com>
 Koushik <raghavendra.koushik@neterion.com>
+Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com>
 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 Leonid I Ananiev <leonid.i.ananiev@intel.com>
 Linas Vepstas <linas@austin.ibm.com>
diff --git a/Documentation/devicetree/bindings/arc/archs-pct.txt b/Documentation/devicetree/bindings/arc/archs-pct.txt
index 1ae98b87..e4b9dce 100644
--- a/Documentation/devicetree/bindings/arc/archs-pct.txt
+++ b/Documentation/devicetree/bindings/arc/archs-pct.txt
@@ -2,7 +2,7 @@
 
 The ARC HS can be configured with a pipeline performance monitor for counting
 CPU and cache events like cache misses and hits. Like conventional PCT there
-are 100+ hardware conditions dynamically mapped to upto 32 counters.
+are 100+ hardware conditions dynamically mapped to up to 32 counters.
 It also supports overflow interrupts.
 
 Required properties:
diff --git a/Documentation/devicetree/bindings/arc/pct.txt b/Documentation/devicetree/bindings/arc/pct.txt
index 7b95884..4e874d9 100644
--- a/Documentation/devicetree/bindings/arc/pct.txt
+++ b/Documentation/devicetree/bindings/arc/pct.txt
@@ -2,7 +2,7 @@
 
 The ARC700 can be configured with a pipeline performance monitor for counting
 CPU and cache events like cache misses and hits. Like conventional PCT there
-are 100+ hardware conditions dynamically mapped to upto 32 counters
+are 100+ hardware conditions dynamically mapped to up to 32 counters
 
 Note that:
  * The ARC 700 PCT does not support interrupts; although HW events may be
diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
index f0d71bc..0b4a85f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
@@ -6,8 +6,8 @@
 Required properties :
 
  - reg : Offset and length of the register set for the device
- - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c" or
-		"rockchip,rk3288-i2c".
+ - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c",
+		"rockchip,rk3228-i2c" or "rockchip,rk3288-i2c".
  - interrupts : interrupt number
  - clocks : parent clock
 
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index 28a4781..0ae0649 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -45,13 +45,13 @@
 Optional properties:
 - dual_emac_res_vlan	: Specifies VID to be used to segregate the ports
 - mac-address		: See ethernet.txt file in the same directory
-- phy_id		: Specifies slave phy id
+- phy_id		: Specifies slave phy id (deprecated, use phy-handle)
 - phy-handle		: See ethernet.txt file in the same directory
 
 Slave sub-nodes:
 - fixed-link		: See fixed-link.txt file in the same directory
-			  Either the property phy_id, or the sub-node
-			  fixed-link can be specified
+
+Note: Exactly one of phy_id, phy-handle, or fixed-link must be specified.
 
 Note: "ti,hwmods" field is used to fetch the base address and irq
 resources from TI, omap hwmod data base during device registration.
diff --git a/Documentation/networking/altera_tse.txt b/Documentation/networking/altera_tse.txt
index 3f24df8..50b8589 100644
--- a/Documentation/networking/altera_tse.txt
+++ b/Documentation/networking/altera_tse.txt
@@ -6,7 +6,7 @@
 using the SGDMA and MSGDMA soft DMA IP components. The driver uses the
 platform bus to obtain component resources. The designs used to test this
 driver were built for a Cyclone(R) V SOC FPGA board, a Cyclone(R) V FPGA board,
-and tested with ARM and NIOS processor hosts seperately. The anticipated use
+and tested with ARM and NIOS processor hosts separately. The anticipated use
 cases are simple communications between an embedded system and an external peer
 for status and simple configuration of the embedded system.
 
@@ -65,14 +65,14 @@
 4.1) Transmit process
 When the driver's transmit routine is called by the kernel, it sets up a
 transmit descriptor by calling the underlying DMA transmit routine (SGDMA or
-MSGDMA), and initites a transmit operation. Once the transmit is complete, an
+MSGDMA), and initiates a transmit operation. Once the transmit is complete, an
 interrupt is driven by the transmit DMA logic. The driver handles the transmit
 completion in the context of the interrupt handling chain by recycling
 resource required to send and track the requested transmit operation.
 
 4.2) Receive process
 The driver will post receive buffers to the receive DMA logic during driver
-intialization. Receive buffers may or may not be queued depending upon the
+initialization. Receive buffers may or may not be queued depending upon the
 underlying DMA logic (MSGDMA is able queue receive buffers, SGDMA is not able
 to queue receive buffers to the SGDMA receive logic). When a packet is
 received, the DMA logic generates an interrupt. The driver handles a receive
diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.txt
index cf99639..14422f8 100644
--- a/Documentation/networking/ipvlan.txt
+++ b/Documentation/networking/ipvlan.txt
@@ -8,7 +8,7 @@
 	This is conceptually very similar to the macvlan driver with one major
 exception of using L3 for mux-ing /demux-ing among slaves. This property makes
 the master device share the L2 with it's slave devices. I have developed this
-driver in conjuntion with network namespaces and not sure if there is use case
+driver in conjunction with network namespaces and not sure if there is use case
 outside of it.
 
 
@@ -42,7 +42,7 @@
 as well.
 
 4.2 L3 mode:
-	In this mode TX processing upto L3 happens on the stack instance attached
+	In this mode TX processing up to L3 happens on the stack instance attached
 to the slave device and packets are switched to the stack instance of the
 master device for the L2 processing and routing from that instance will be
 used before packets are queued on the outbound device. In this mode the slaves
@@ -56,7 +56,7 @@
 	(a) The Linux host that is connected to the external switch / router has
 policy configured that allows only one mac per port.
 	(b) No of virtual devices created on a master exceed the mac capacity and
-puts the NIC in promiscous mode and degraded performance is a concern.
+puts the NIC in promiscuous mode and degraded performance is a concern.
 	(c) If the slave device is to be put into the hostile / untrusted network
 namespace where L2 on the slave could be changed / misused.
 
diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.txt
index f4be85e..2c4e335 100644
--- a/Documentation/networking/pktgen.txt
+++ b/Documentation/networking/pktgen.txt
@@ -67,12 +67,12 @@
  * add_device DEVICE@NAME -- adds a single device
  * rem_device_all         -- remove all associated devices
 
-When adding a device to a thread, a corrosponding procfile is created
+When adding a device to a thread, a corresponding procfile is created
 which is used for configuring this device. Thus, device names need to
 be unique.
 
 To support adding the same device to multiple threads, which is useful
-with multi queue NICs, a the device naming scheme is extended with "@":
+with multi queue NICs, the device naming scheme is extended with "@":
  device@something
 
 The part after "@" can be anything, but it is custom to use the thread
@@ -221,7 +221,7 @@
 
 A collection of tutorial scripts and helpers for pktgen is in the
 samples/pktgen directory. The helper parameters.sh file support easy
-and consistant parameter parsing across the sample scripts.
+and consistent parameter parsing across the sample scripts.
 
 Usage example and help:
  ./pktgen_sample01_simple.sh -i eth4 -m 00:1B:21:3C:9D:F8 -d 192.168.8.2
diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt
index d52aa10..5da679c 100644
--- a/Documentation/networking/vrf.txt
+++ b/Documentation/networking/vrf.txt
@@ -41,7 +41,7 @@
 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
+VRF as a whole.[1] Similarly, 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
diff --git a/Documentation/networking/xfrm_sync.txt b/Documentation/networking/xfrm_sync.txt
index d7aac9d..8d88e0f 100644
--- a/Documentation/networking/xfrm_sync.txt
+++ b/Documentation/networking/xfrm_sync.txt
@@ -4,7 +4,7 @@
 from Jamal <hadi@cyberus.ca>.
 
 The end goal for syncing is to be able to insert attributes + generate
-events so that the an SA can be safely moved from one machine to another
+events so that the SA can be safely moved from one machine to another
 for HA purposes.
 The idea is to synchronize the SA so that the takeover machine can do
 the processing of the SA as accurate as possible if it has access to it.
@@ -13,7 +13,7 @@
 These patches add ability to sync and have accurate lifetime byte (to
 ensure proper decay of SAs) and replay counters to avoid replay attacks
 with as minimal loss at failover time.
-This way a backup stays as closely uptodate as an active member.
+This way a backup stays as closely up-to-date as an active member.
 
 Because the above items change for every packet the SA receives,
 it is possible for a lot of the events to be generated.
@@ -163,7 +163,7 @@
 there is a period where the timer threshold expires with no packets
 seen, then an odd behavior is seen as follows:
 The first packet arrival after a timer expiry will trigger a timeout
-aevent; i.e we dont wait for a timeout period or a packet threshold
+event; i.e we don't wait for a timeout period or a packet threshold
 to be reached. This is done for simplicity and efficiency reasons.
 
 -JHS
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index cb03684..34a5fec 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -581,15 +581,16 @@
 "Zone Order" orders the zonelists by zone type, then by node within each
 zone.  Specify "[Zz]one" for zone order.
 
-Specify "[Dd]efault" to request automatic configuration.  Autoconfiguration
-will select "node" order in following case.
-(1) if the DMA zone does not exist or
-(2) if the DMA zone comprises greater than 50% of the available memory or
-(3) if any node's DMA zone comprises greater than 70% of its local memory and
-    the amount of local memory is big enough.
+Specify "[Dd]efault" to request automatic configuration.
 
-Otherwise, "zone" order will be selected. Default order is recommended unless
-this is causing problems for your system/application.
+On 32-bit, the Normal zone needs to be preserved for allocations accessible
+by the kernel, so "zone" order will be selected.
+
+On 64-bit, devices that require DMA32/DMA are relatively rare, so "node"
+order will be selected.
+
+Default order is recommended unless this is causing problems for your
+system/application.
 
 ==============================================================
 
diff --git a/MAINTAINERS b/MAINTAINERS
index ab00801..867d6be 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4745,7 +4745,7 @@
 
 FUSE: FILESYSTEM IN USERSPACE
 M:	Miklos Szeredi <miklos@szeredi.hu>
-L:	fuse-devel@lists.sourceforge.net
+L:	linux-fsdevel@vger.kernel.org
 W:	http://fuse.sourceforge.net/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
 S:	Maintained
@@ -4904,7 +4904,7 @@
 F:	include/net/gre.h
 
 GRETH 10/100/1G Ethernet MAC device driver
-M:	Kristoffer Glembo <kristoffer@gaisler.com>
+M:	Andreas Larsson <andreas@gaisler.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/aeroflex/
@@ -6028,7 +6028,7 @@
 
 ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
 M:	Or Gerlitz <ogerlitz@mellanox.com>
-M:	Sagi Grimberg <sagig@mellanox.com>
+M:	Sagi Grimberg <sagi@grimberg.me>
 M:	Roi Dayan <roid@mellanox.com>
 L:	linux-rdma@vger.kernel.org
 S:	Supported
@@ -6038,7 +6038,7 @@
 F:	drivers/infiniband/ulp/iser/
 
 ISCSI EXTENSIONS FOR RDMA (ISER) TARGET
-M:	Sagi Grimberg <sagig@mellanox.com>
+M:	Sagi Grimberg <sagi@grimberg.me>
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
 L:	linux-rdma@vger.kernel.org
 L:	target-devel@vger.kernel.org
@@ -6401,7 +6401,7 @@
 F:	mm/kmemleak-test.c
 
 KPROBES
-M:	Ananth N Mavinakayanahalli <ananth@in.ibm.com>
+M:	Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
 M:	Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
 M:	"David S. Miller" <davem@davemloft.net>
 M:	Masami Hiramatsu <mhiramat@kernel.org>
@@ -10015,7 +10015,8 @@
 
 SFC NETWORK DRIVER
 M:	Solarflare linux maintainers <linux-net-drivers@solarflare.com>
-M:	Shradha Shah <sshah@solarflare.com>
+M:	Edward Cree <ecree@solarflare.com>
+M:	Bert Kenward <bkenward@solarflare.com>
 L:	netdev@vger.kernel.org
 S:	Supported
 F:	drivers/net/ethernet/sfc/
diff --git a/Makefile b/Makefile
index 9496df8..7466de6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 4
 PATCHLEVEL = 6
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
-NAME = Blurry Fish Butt
+EXTRAVERSION = -rc6
+NAME = Charred Weasel
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 12d0284..ec4791e 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -35,8 +35,10 @@
 	select NO_BOOTMEM
 	select OF
 	select OF_EARLY_FLATTREE
+	select OF_RESERVED_MEM
 	select PERF_USE_VMALLOC
 	select HAVE_DEBUG_STACKOVERFLOW
+	select HAVE_GENERIC_DMA_COHERENT
 
 config MIGHT_HAVE_PCI
 	bool
diff --git a/arch/arc/include/asm/irqflags-arcv2.h b/arch/arc/include/asm/irqflags-arcv2.h
index 37c2f75..d1ec7f6 100644
--- a/arch/arc/include/asm/irqflags-arcv2.h
+++ b/arch/arc/include/asm/irqflags-arcv2.h
@@ -18,6 +18,12 @@
 #define STATUS_AD_MASK		(1<<STATUS_AD_BIT)
 #define STATUS_IE_MASK		(1<<STATUS_IE_BIT)
 
+/* status32 Bits as encoded/expected by CLRI/SETI */
+#define CLRI_STATUS_IE_BIT	4
+
+#define CLRI_STATUS_E_MASK	0xF
+#define CLRI_STATUS_IE_MASK	(1 << CLRI_STATUS_IE_BIT)
+
 #define AUX_USER_SP		0x00D
 #define AUX_IRQ_CTRL		0x00E
 #define AUX_IRQ_ACT		0x043	/* Active Intr across all levels */
@@ -100,6 +106,13 @@
 	:
 	: "memory");
 
+	/* To be compatible with irq_save()/irq_restore()
+	 * encode the irq bits as expected by CLRI/SETI
+	 * (this was needed to make CONFIG_TRACE_IRQFLAGS work)
+	 */
+	temp = (1 << 5) |
+		((!!(temp & STATUS_IE_MASK)) << CLRI_STATUS_IE_BIT) |
+		(temp & CLRI_STATUS_E_MASK);
 	return temp;
 }
 
@@ -108,7 +121,7 @@
  */
 static inline int arch_irqs_disabled_flags(unsigned long flags)
 {
-	return !(flags & (STATUS_IE_MASK));
+	return !(flags & CLRI_STATUS_IE_MASK);
 }
 
 static inline int arch_irqs_disabled(void)
@@ -128,11 +141,32 @@
 
 #else
 
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+.macro TRACE_ASM_IRQ_DISABLE
+	bl	trace_hardirqs_off
+.endm
+
+.macro TRACE_ASM_IRQ_ENABLE
+	bl	trace_hardirqs_on
+.endm
+
+#else
+
+.macro TRACE_ASM_IRQ_DISABLE
+.endm
+
+.macro TRACE_ASM_IRQ_ENABLE
+.endm
+
+#endif
 .macro IRQ_DISABLE  scratch
 	clri
+	TRACE_ASM_IRQ_DISABLE
 .endm
 
 .macro IRQ_ENABLE  scratch
+	TRACE_ASM_IRQ_ENABLE
 	seti
 .endm
 
diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S
index c126460..7a1c124 100644
--- a/arch/arc/kernel/entry-arcv2.S
+++ b/arch/arc/kernel/entry-arcv2.S
@@ -69,8 +69,11 @@
 
 	clri		; To make status32.IE agree with CPU internal state
 
-	lr  r0, [ICAUSE]
+#ifdef CONFIG_TRACE_IRQFLAGS
+	TRACE_ASM_IRQ_DISABLE
+#endif
 
+	lr  r0, [ICAUSE]
 	mov   blink, ret_from_exception
 
 	b.d  arch_do_IRQ
@@ -169,6 +172,11 @@
 
 .Lrestore_regs:
 
+	# Interrpts are actually disabled from this point on, but will get
+	# reenabled after we return from interrupt/exception.
+	# But irq tracer needs to be told now...
+	TRACE_ASM_IRQ_ENABLE
+
 	ld	r0, [sp, PT_status32]	; U/K mode at time of entry
 	lr	r10, [AUX_IRQ_ACT]
 
diff --git a/arch/arc/kernel/entry-compact.S b/arch/arc/kernel/entry-compact.S
index 4314339..0cb0aba 100644
--- a/arch/arc/kernel/entry-compact.S
+++ b/arch/arc/kernel/entry-compact.S
@@ -341,6 +341,9 @@
 
 .Lrestore_regs:
 
+	# Interrpts are actually disabled from this point on, but will get
+	# reenabled after we return from interrupt/exception.
+	# But irq tracer needs to be told now...
 	TRACE_ASM_IRQ_ENABLE
 
 	lr	r10, [status32]
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index 7d2c4fb..5487d0b 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -13,6 +13,7 @@
 #ifdef CONFIG_BLK_DEV_INITRD
 #include <linux/initrd.h>
 #endif
+#include <linux/of_fdt.h>
 #include <linux/swap.h>
 #include <linux/module.h>
 #include <linux/highmem.h>
@@ -136,6 +137,9 @@
 		memblock_reserve(__pa(initrd_start), initrd_end - initrd_start);
 #endif
 
+	early_init_fdt_reserve_self();
+	early_init_fdt_scan_reserved_mem();
+
 	memblock_dump_all();
 
 	/*----------------- node/zones setup --------------------------*/
diff --git a/arch/nios2/lib/memset.c b/arch/nios2/lib/memset.c
index c2cfcb1..2fcefe7 100644
--- a/arch/nios2/lib/memset.c
+++ b/arch/nios2/lib/memset.c
@@ -68,7 +68,7 @@
 		  "=r" (charcnt),	/* %1  Output */
 		  "=r" (dwordcnt),	/* %2  Output */
 		  "=r" (fill8reg),	/* %3  Output */
-		  "=r" (wrkrega)	/* %4  Output */
+		  "=&r" (wrkrega)	/* %4  Output only */
 		: "r" (c),		/* %5  Input */
 		  "0" (s),		/* %0  Input/Output */
 		  "1" (count)		/* %1  Input/Output */
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 3fa9df7..2fc5d4d 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -384,3 +384,5 @@
 SYSCALL(ni_syscall)
 SYSCALL(mlock2)
 SYSCALL(copy_file_range)
+COMPAT_SYS_SPU(preadv2)
+COMPAT_SYS_SPU(pwritev2)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 1f2594d..cf12c58 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		380
+#define NR_syscalls		382
 
 #define __NR__exit __NR_exit
 
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 940290d..e9f5f41 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -390,5 +390,7 @@
 #define __NR_membarrier		365
 #define __NR_mlock2		378
 #define __NR_copy_file_range	379
+#define __NR_preadv2		380
+#define __NR_pwritev2		381
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index d29ad95..081b2ad 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -11,7 +11,7 @@
 	spinlock_t list_lock;
 	struct list_head pgtable_list;
 	struct list_head gmap_list;
-	unsigned long asce_bits;
+	unsigned long asce;
 	unsigned long asce_limit;
 	unsigned long vdso_base;
 	/* The mmu context allocates 4K page tables. */
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index d321469..c837b79 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -26,12 +26,28 @@
 	mm->context.has_pgste = 0;
 	mm->context.use_skey = 0;
 #endif
-	if (mm->context.asce_limit == 0) {
+	switch (mm->context.asce_limit) {
+	case 1UL << 42:
+		/*
+		 * forked 3-level task, fall through to set new asce with new
+		 * mm->pgd
+		 */
+	case 0:
 		/* context created by exec, set asce limit to 4TB */
-		mm->context.asce_bits = _ASCE_TABLE_LENGTH |
-			_ASCE_USER_BITS | _ASCE_TYPE_REGION3;
 		mm->context.asce_limit = STACK_TOP_MAX;
-	} else if (mm->context.asce_limit == (1UL << 31)) {
+		mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+				   _ASCE_USER_BITS | _ASCE_TYPE_REGION3;
+		break;
+	case 1UL << 53:
+		/* forked 4-level task, set new asce with new mm->pgd */
+		mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+				   _ASCE_USER_BITS | _ASCE_TYPE_REGION2;
+		break;
+	case 1UL << 31:
+		/* forked 2-level compat task, set new asce with new mm->pgd */
+		mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+				   _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT;
+		/* pgd_alloc() did not increase mm->nr_pmds */
 		mm_inc_nr_pmds(mm);
 	}
 	crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
@@ -42,7 +58,7 @@
 
 static inline void set_user_asce(struct mm_struct *mm)
 {
-	S390_lowcore.user_asce = mm->context.asce_bits | __pa(mm->pgd);
+	S390_lowcore.user_asce = mm->context.asce;
 	if (current->thread.mm_segment.ar4)
 		__ctl_load(S390_lowcore.user_asce, 7, 7);
 	set_cpu_flag(CIF_ASCE);
@@ -71,7 +87,7 @@
 {
 	int cpu = smp_processor_id();
 
-	S390_lowcore.user_asce = next->context.asce_bits | __pa(next->pgd);
+	S390_lowcore.user_asce = next->context.asce;
 	if (prev == next)
 		return;
 	if (MACHINE_HAS_TLB_LC)
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 9b3d9b6..da34cb6 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -52,8 +52,8 @@
 	return _REGION2_ENTRY_EMPTY;
 }
 
-int crst_table_upgrade(struct mm_struct *, unsigned long limit);
-void crst_table_downgrade(struct mm_struct *, unsigned long limit);
+int crst_table_upgrade(struct mm_struct *);
+void crst_table_downgrade(struct mm_struct *);
 
 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)
 {
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index d6fd22e..18cdede 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -175,7 +175,7 @@
 	regs->psw.mask	= PSW_USER_BITS | PSW_MASK_BA;			\
 	regs->psw.addr	= new_psw;					\
 	regs->gprs[15]	= new_stackp;					\
-	crst_table_downgrade(current->mm, 1UL << 31);			\
+	crst_table_downgrade(current->mm);				\
 	execve_tail();							\
 } while (0)
 
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index ca148f7..a2e6ef3 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -110,8 +110,7 @@
 static inline void __tlb_flush_kernel(void)
 {
 	if (MACHINE_HAS_IDTE)
-		__tlb_flush_idte((unsigned long) init_mm.pgd |
-				 init_mm.context.asce_bits);
+		__tlb_flush_idte(init_mm.context.asce);
 	else
 		__tlb_flush_global();
 }
@@ -133,8 +132,7 @@
 static inline void __tlb_flush_kernel(void)
 {
 	if (MACHINE_HAS_TLB_LC)
-		__tlb_flush_idte_local((unsigned long) init_mm.pgd |
-				       init_mm.context.asce_bits);
+		__tlb_flush_idte_local(init_mm.context.asce);
 	else
 		__tlb_flush_local();
 }
@@ -148,8 +146,7 @@
 	 * only ran on the local cpu.
 	 */
 	if (MACHINE_HAS_IDTE && list_empty(&mm->context.gmap_list))
-		__tlb_flush_asce(mm, (unsigned long) mm->pgd |
-				 mm->context.asce_bits);
+		__tlb_flush_asce(mm, mm->context.asce);
 	else
 		__tlb_flush_full(mm);
 }
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c7b0451..2489b2e 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -89,7 +89,8 @@
 		asce_bits = _ASCE_TYPE_REGION3 | _ASCE_TABLE_LENGTH;
 		pgd_type = _REGION3_ENTRY_EMPTY;
 	}
-	S390_lowcore.kernel_asce = (__pa(init_mm.pgd) & PAGE_MASK) | asce_bits;
+	init_mm.context.asce = (__pa(init_mm.pgd) & PAGE_MASK) | asce_bits;
+	S390_lowcore.kernel_asce = init_mm.context.asce;
 	clear_table((unsigned long *) init_mm.pgd, pgd_type,
 		    sizeof(unsigned long)*2048);
 	vmem_map_init();
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 45c4daa..89cf09e 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -174,7 +174,7 @@
 	if (!(flags & MAP_FIXED))
 		addr = 0;
 	if ((addr + len) >= TASK_SIZE)
-		return crst_table_upgrade(current->mm, TASK_MAX_SIZE);
+		return crst_table_upgrade(current->mm);
 	return 0;
 }
 
@@ -191,7 +191,7 @@
 		return area;
 	if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < TASK_MAX_SIZE) {
 		/* Upgrade the page table to 4 levels and retry. */
-		rc = crst_table_upgrade(mm, TASK_MAX_SIZE);
+		rc = crst_table_upgrade(mm);
 		if (rc)
 			return (unsigned long) rc;
 		area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
@@ -213,7 +213,7 @@
 		return area;
 	if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < TASK_MAX_SIZE) {
 		/* Upgrade the page table to 4 levels and retry. */
-		rc = crst_table_upgrade(mm, TASK_MAX_SIZE);
+		rc = crst_table_upgrade(mm);
 		if (rc)
 			return (unsigned long) rc;
 		area = arch_get_unmapped_area_topdown(filp, addr, len,
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index f6c3de2..e8b5962 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -76,81 +76,52 @@
 	__tlb_flush_local();
 }
 
-int crst_table_upgrade(struct mm_struct *mm, unsigned long limit)
+int crst_table_upgrade(struct mm_struct *mm)
 {
 	unsigned long *table, *pgd;
-	unsigned long entry;
-	int flush;
 
-	BUG_ON(limit > TASK_MAX_SIZE);
-	flush = 0;
-repeat:
+	/* upgrade should only happen from 3 to 4 levels */
+	BUG_ON(mm->context.asce_limit != (1UL << 42));
+
 	table = crst_table_alloc(mm);
 	if (!table)
 		return -ENOMEM;
+
 	spin_lock_bh(&mm->page_table_lock);
-	if (mm->context.asce_limit < limit) {
-		pgd = (unsigned long *) mm->pgd;
-		if (mm->context.asce_limit <= (1UL << 31)) {
-			entry = _REGION3_ENTRY_EMPTY;
-			mm->context.asce_limit = 1UL << 42;
-			mm->context.asce_bits = _ASCE_TABLE_LENGTH |
-						_ASCE_USER_BITS |
-						_ASCE_TYPE_REGION3;
-		} else {
-			entry = _REGION2_ENTRY_EMPTY;
-			mm->context.asce_limit = 1UL << 53;
-			mm->context.asce_bits = _ASCE_TABLE_LENGTH |
-						_ASCE_USER_BITS |
-						_ASCE_TYPE_REGION2;
-		}
-		crst_table_init(table, entry);
-		pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd);
-		mm->pgd = (pgd_t *) table;
-		mm->task_size = mm->context.asce_limit;
-		table = NULL;
-		flush = 1;
-	}
+	pgd = (unsigned long *) mm->pgd;
+	crst_table_init(table, _REGION2_ENTRY_EMPTY);
+	pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd);
+	mm->pgd = (pgd_t *) table;
+	mm->context.asce_limit = 1UL << 53;
+	mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+			   _ASCE_USER_BITS | _ASCE_TYPE_REGION2;
+	mm->task_size = mm->context.asce_limit;
 	spin_unlock_bh(&mm->page_table_lock);
-	if (table)
-		crst_table_free(mm, table);
-	if (mm->context.asce_limit < limit)
-		goto repeat;
-	if (flush)
-		on_each_cpu(__crst_table_upgrade, mm, 0);
+
+	on_each_cpu(__crst_table_upgrade, mm, 0);
 	return 0;
 }
 
-void crst_table_downgrade(struct mm_struct *mm, unsigned long limit)
+void crst_table_downgrade(struct mm_struct *mm)
 {
 	pgd_t *pgd;
 
+	/* downgrade should only happen from 3 to 2 levels (compat only) */
+	BUG_ON(mm->context.asce_limit != (1UL << 42));
+
 	if (current->active_mm == mm) {
 		clear_user_asce();
 		__tlb_flush_mm(mm);
 	}
-	while (mm->context.asce_limit > limit) {
-		pgd = mm->pgd;
-		switch (pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) {
-		case _REGION_ENTRY_TYPE_R2:
-			mm->context.asce_limit = 1UL << 42;
-			mm->context.asce_bits = _ASCE_TABLE_LENGTH |
-						_ASCE_USER_BITS |
-						_ASCE_TYPE_REGION3;
-			break;
-		case _REGION_ENTRY_TYPE_R3:
-			mm->context.asce_limit = 1UL << 31;
-			mm->context.asce_bits = _ASCE_TABLE_LENGTH |
-						_ASCE_USER_BITS |
-						_ASCE_TYPE_SEGMENT;
-			break;
-		default:
-			BUG();
-		}
-		mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN);
-		mm->task_size = mm->context.asce_limit;
-		crst_table_free(mm, (unsigned long *) pgd);
-	}
+
+	pgd = mm->pgd;
+	mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN);
+	mm->context.asce_limit = 1UL << 31;
+	mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+			   _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT;
+	mm->task_size = mm->context.asce_limit;
+	crst_table_free(mm, (unsigned long *) pgd);
+
 	if (current->active_mm == mm)
 		set_user_asce(mm);
 }
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index e595e89..1ea8c07 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -457,7 +457,7 @@
 	zdev->dma_table = dma_alloc_cpu_table();
 	if (!zdev->dma_table) {
 		rc = -ENOMEM;
-		goto out_clean;
+		goto out;
 	}
 
 	/*
@@ -477,18 +477,22 @@
 	zdev->iommu_bitmap = vzalloc(zdev->iommu_pages / 8);
 	if (!zdev->iommu_bitmap) {
 		rc = -ENOMEM;
-		goto out_reg;
+		goto free_dma_table;
 	}
 
 	rc = zpci_register_ioat(zdev, 0, zdev->start_dma, zdev->end_dma,
 				(u64) zdev->dma_table);
 	if (rc)
-		goto out_reg;
-	return 0;
+		goto free_bitmap;
 
-out_reg:
+	return 0;
+free_bitmap:
+	vfree(zdev->iommu_bitmap);
+	zdev->iommu_bitmap = NULL;
+free_dma_table:
 	dma_free_cpu_table(zdev->dma_table);
-out_clean:
+	zdev->dma_table = NULL;
+out:
 	return rc;
 }
 
diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig
index fb23fd6..c74d370 100644
--- a/arch/sparc/configs/sparc32_defconfig
+++ b/arch/sparc/configs/sparc32_defconfig
@@ -24,7 +24,6 @@
 CONFIG_INET_ESP=y
 CONFIG_INET_IPCOMP=y
 # CONFIG_INET_LRO is not set
-CONFIG_IPV6_PRIVACY=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 04920ab..3583d67 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -48,7 +48,6 @@
 CONFIG_INET_AH=y
 CONFIG_INET_ESP=y
 CONFIG_INET_IPCOMP=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
index 56f9338..1d8321c 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -48,6 +48,7 @@
 #define SUN4V_CHIP_SPARC_M6	0x06
 #define SUN4V_CHIP_SPARC_M7	0x07
 #define SUN4V_CHIP_SPARC64X	0x8a
+#define SUN4V_CHIP_SPARC_SN	0x8b
 #define SUN4V_CHIP_UNKNOWN	0xff
 
 #ifndef __ASSEMBLY__
diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index b6de8b1..36eee81 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -423,8 +423,10 @@
 #define __NR_setsockopt		355
 #define __NR_mlock2		356
 #define __NR_copy_file_range	357
+#define __NR_preadv2		358
+#define __NR_pwritev2		359
 
-#define NR_syscalls		358
+#define NR_syscalls		360
 
 /* Bitmask values returned from kern_features system call.  */
 #define KERN_FEATURE_MIXED_MODE_STACK	0x00000001
diff --git a/arch/sparc/kernel/cherrs.S b/arch/sparc/kernel/cherrs.S
index 4ee1ad4..655628de 100644
--- a/arch/sparc/kernel/cherrs.S
+++ b/arch/sparc/kernel/cherrs.S
@@ -214,8 +214,7 @@
 	subcc		%g1, %g2, %g1		! Next cacheline
 	bge,pt		%icc, 1b
 	 nop
-	ba,pt		%xcc, dcpe_icpe_tl1_common
-	 nop
+	ba,a,pt		%xcc, dcpe_icpe_tl1_common
 
 do_dcpe_tl1_fatal:
 	sethi		%hi(1f), %g7
@@ -224,8 +223,7 @@
 	mov		0x2, %o0
 	call		cheetah_plus_parity_error
 	 add		%sp, PTREGS_OFF, %o1
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_dcpe_tl1,.-do_dcpe_tl1
 
 	.globl		do_icpe_tl1
@@ -259,8 +257,7 @@
 	subcc		%g1, %g2, %g1
 	bge,pt		%icc, 1b
 	 nop
-	ba,pt		%xcc, dcpe_icpe_tl1_common
-	 nop
+	ba,a,pt		%xcc, dcpe_icpe_tl1_common
 
 do_icpe_tl1_fatal:
 	sethi		%hi(1f), %g7
@@ -269,8 +266,7 @@
 	mov		0x3, %o0
 	call		cheetah_plus_parity_error
 	 add		%sp, PTREGS_OFF, %o1
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_icpe_tl1,.-do_icpe_tl1
 	
 	.type		dcpe_icpe_tl1_common,#function
@@ -456,7 +452,7 @@
 	 cmp		%g2, 0x63
 	be		c_cee
 	 nop
-	ba,pt		%xcc, c_deferred
+	ba,a,pt		%xcc, c_deferred
 	.size		__cheetah_log_error,.-__cheetah_log_error
 
 	/* Cheetah FECC trap handling, we get here from tl{0,1}_fecc
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index dfad8b1..493e023 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -506,6 +506,12 @@
 		sparc_pmu_type = "sparc-m7";
 		break;
 
+	case SUN4V_CHIP_SPARC_SN:
+		sparc_cpu_type = "SPARC-SN";
+		sparc_fpu_type = "SPARC-SN integrated FPU";
+		sparc_pmu_type = "sparc-sn";
+		break;
+
 	case SUN4V_CHIP_SPARC64X:
 		sparc_cpu_type = "SPARC64-X";
 		sparc_fpu_type = "SPARC64-X integrated FPU";
diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c
index e69ec0e..45c820e 100644
--- a/arch/sparc/kernel/cpumap.c
+++ b/arch/sparc/kernel/cpumap.c
@@ -328,6 +328,7 @@
 	case SUN4V_CHIP_NIAGARA5:
 	case SUN4V_CHIP_SPARC_M6:
 	case SUN4V_CHIP_SPARC_M7:
+	case SUN4V_CHIP_SPARC_SN:
 	case SUN4V_CHIP_SPARC64X:
 		rover_inc_table = niagara_iterate_method;
 		break;
diff --git a/arch/sparc/kernel/fpu_traps.S b/arch/sparc/kernel/fpu_traps.S
index a686482..336d275 100644
--- a/arch/sparc/kernel/fpu_traps.S
+++ b/arch/sparc/kernel/fpu_traps.S
@@ -100,8 +100,8 @@
 	fmuld		%f0, %f2, %f26
 	faddd		%f0, %f2, %f28
 	fmuld		%f0, %f2, %f30
-	b,pt		%xcc, fpdis_exit
-	 nop
+	ba,a,pt		%xcc, fpdis_exit
+
 2:	andcc		%g5, FPRS_DU, %g0
 	bne,pt		%icc, 3f
 	 fzero		%f32
@@ -144,8 +144,8 @@
 	fmuld		%f32, %f34, %f58
 	faddd		%f32, %f34, %f60
 	fmuld		%f32, %f34, %f62
-	ba,pt		%xcc, fpdis_exit
-	 nop
+	ba,a,pt		%xcc, fpdis_exit
+
 3:	mov		SECONDARY_CONTEXT, %g3
 	add		%g6, TI_FPREGS, %g1
 
@@ -197,8 +197,7 @@
 fp_other_bounce:
 	call		do_fpother
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		fp_other_bounce,.-fp_other_bounce
 
 	.align		32
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index cd1f592..a076b42 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -414,6 +414,8 @@
 	cmp	%g2, 'T'
 	be,pt	%xcc, 70f
 	 cmp	%g2, 'M'
+	be,pt	%xcc, 70f
+	 cmp	%g2, 'S'
 	bne,pn	%xcc, 49f
 	 nop
 
@@ -433,6 +435,9 @@
 	cmp	%g2, '7'
 	be,pt	%xcc, 5f
 	 mov	SUN4V_CHIP_SPARC_M7, %g4
+	cmp	%g2, 'N'
+	be,pt	%xcc, 5f
+	 mov	SUN4V_CHIP_SPARC_SN, %g4
 	ba,pt	%xcc, 49f
 	 nop
 
@@ -461,9 +466,8 @@
 	subcc	%g3, 1, %g3
 	bne,pt	%xcc, 41b
 	add	%g1, 1, %g1
-	mov	SUN4V_CHIP_SPARC64X, %g4
 	ba,pt	%xcc, 5f
-	nop
+	 mov	SUN4V_CHIP_SPARC64X, %g4
 
 49:
 	mov	SUN4V_CHIP_UNKNOWN, %g4
@@ -548,8 +552,7 @@
 	stxa		%g0, [%g7] ASI_DMMU
 	membar	#Sync
 
-	ba,pt		%xcc, sun4u_continue
-	 nop
+	ba,a,pt		%xcc, sun4u_continue
 
 sun4v_init:
 	/* Set ctx 0 */
@@ -560,14 +563,12 @@
 	mov		SECONDARY_CONTEXT, %g7
 	stxa		%g0, [%g7] ASI_MMU
 	membar		#Sync
-	ba,pt		%xcc, niagara_tlb_fixup
-	 nop
+	ba,a,pt		%xcc, niagara_tlb_fixup
 
 sun4u_continue:
 	BRANCH_IF_ANY_CHEETAH(g1, g7, cheetah_tlb_fixup)
 
-	ba,pt	%xcc, spitfire_tlb_fixup
-	 nop
+	ba,a,pt	%xcc, spitfire_tlb_fixup
 
 niagara_tlb_fixup:
 	mov	3, %g2		/* Set TLB type to hypervisor. */
@@ -597,6 +598,9 @@
 	cmp	%g1, SUN4V_CHIP_SPARC_M7
 	be,pt	%xcc, niagara4_patch
 	 nop
+	cmp	%g1, SUN4V_CHIP_SPARC_SN
+	be,pt	%xcc, niagara4_patch
+	 nop
 
 	call	generic_patch_copyops
 	 nop
@@ -639,8 +643,7 @@
 	call	hypervisor_patch_cachetlbops
 	 nop
 
-	ba,pt	%xcc, tlb_fixup_done
-	 nop
+	ba,a,pt	%xcc, tlb_fixup_done
 
 cheetah_tlb_fixup:
 	mov	2, %g2		/* Set TLB type to cheetah+. */
@@ -659,8 +662,7 @@
 	call	cheetah_patch_cachetlbops
 	 nop
 
-	ba,pt	%xcc, tlb_fixup_done
-	 nop
+	ba,a,pt	%xcc, tlb_fixup_done
 
 spitfire_tlb_fixup:
 	/* Set TLB type to spitfire. */
@@ -774,8 +776,7 @@
 	call	%o1
 	 add	%sp, (2047 + 128), %o0
 
-	ba,pt	%xcc, 2f
-	 nop
+	ba,a,pt	%xcc, 2f
 
 1:	sethi	%hi(sparc64_ttable_tl0), %o0
 	set	prom_set_trap_table_name, %g2
@@ -814,8 +815,7 @@
 
 	BRANCH_IF_ANY_CHEETAH(o2, o3, 1f)
 
-	ba,pt	%xcc, 2f
-	 nop
+	ba,a,pt	%xcc, 2f
 
 	/* Disable STICK_INT interrupts. */
 1:
diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S
index 753b4f0..34b4933 100644
--- a/arch/sparc/kernel/misctrap.S
+++ b/arch/sparc/kernel/misctrap.S
@@ -18,8 +18,7 @@
 109:	or		%g7, %lo(109b), %g7
 	call		do_privact
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__do_privact,.-__do_privact
 
 	.type		do_mna,#function
@@ -46,8 +45,7 @@
 	mov		%l5, %o2
 	call		mem_address_unaligned
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_mna,.-do_mna
 
 	.type		do_lddfmna,#function
@@ -65,8 +63,7 @@
 	mov		%l5, %o2
 	call		handle_lddfmna
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_lddfmna,.-do_lddfmna
 
 	.type		do_stdfmna,#function
@@ -84,8 +81,7 @@
 	mov		%l5, %o2
 	call		handle_stdfmna
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_stdfmna,.-do_stdfmna
 
 	.type		breakpoint_trap,#function
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index badf095..c2b202d 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -245,6 +245,18 @@
 	}
 }
 
+static void pci_init_dev_archdata(struct dev_archdata *sd, void *iommu,
+				  void *stc, void *host_controller,
+				  struct platform_device  *op,
+				  int numa_node)
+{
+	sd->iommu = iommu;
+	sd->stc = stc;
+	sd->host_controller = host_controller;
+	sd->op = op;
+	sd->numa_node = numa_node;
+}
+
 static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 					 struct device_node *node,
 					 struct pci_bus *bus, int devfn)
@@ -259,13 +271,10 @@
 	if (!dev)
 		return NULL;
 
+	op = of_find_device_by_node(node);
 	sd = &dev->dev.archdata;
-	sd->iommu = pbm->iommu;
-	sd->stc = &pbm->stc;
-	sd->host_controller = pbm;
-	sd->op = op = of_find_device_by_node(node);
-	sd->numa_node = pbm->numa_node;
-
+	pci_init_dev_archdata(sd, pbm->iommu, &pbm->stc, pbm, op,
+			      pbm->numa_node);
 	sd = &op->dev.archdata;
 	sd->iommu = pbm->iommu;
 	sd->stc = &pbm->stc;
@@ -994,6 +1003,27 @@
 	/* No special bus mastering setup handling */
 }
 
+#ifdef CONFIG_PCI_IOV
+int pcibios_add_device(struct pci_dev *dev)
+{
+	struct pci_dev *pdev;
+
+	/* Add sriov arch specific initialization here.
+	 * Copy dev_archdata from PF to VF
+	 */
+	if (dev->is_virtfn) {
+		struct dev_archdata *psd;
+
+		pdev = dev->physfn;
+		psd = &pdev->dev.archdata;
+		pci_init_dev_archdata(&dev->dev.archdata, psd->iommu,
+				      psd->stc, psd->host_controller, NULL,
+				      psd->numa_node);
+	}
+	return 0;
+}
+#endif /* CONFIG_PCI_IOV */
+
 static int __init pcibios_init(void)
 {
 	pci_dfl_cache_line_size = 64 >> 2;
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 26db95b..599f120 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -285,7 +285,8 @@
 
 	sun4v_patch_2insn_range(&__sun4v_2insn_patch,
 				&__sun4v_2insn_patch_end);
-	if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7)
+	if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+	    sun4v_chip_type == SUN4V_CHIP_SPARC_SN)
 		sun_m7_patch_2insn_range(&__sun_m7_2insn_patch,
 					 &__sun_m7_2insn_patch_end);
 
@@ -524,6 +525,7 @@
 		    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+		    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 			cap |= HWCAP_SPARC_BLKINIT;
 		if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
@@ -532,6 +534,7 @@
 		    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+		    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 			cap |= HWCAP_SPARC_N2;
 	}
@@ -561,6 +564,7 @@
 			    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+			    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 				cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 |
 					AV_SPARC_ASI_BLK_INIT |
@@ -570,6 +574,7 @@
 			    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+			    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 				cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC |
 					AV_SPARC_FMAF);
diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S
index c357e40..4a73009 100644
--- a/arch/sparc/kernel/spiterrs.S
+++ b/arch/sparc/kernel/spiterrs.S
@@ -85,8 +85,7 @@
 	ba,pt		%xcc, etraptl1
 	 rd		%pc, %g7
 
-	ba,pt		%xcc, 2f
-	 nop
+	ba,a,pt		%xcc, 2f
 
 1:	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
@@ -100,8 +99,7 @@
 	mov		%l5, %o2
 	call		spitfire_access_error
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_access_error,.-__spitfire_access_error
 
 	/* This is the trap handler entry point for ECC correctable
@@ -179,8 +177,7 @@
 	mov		%l5, %o2
 	call		spitfire_data_access_exception_tl1
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_data_access_exception_tl1,.-__spitfire_data_access_exception_tl1
 
 	.type		__spitfire_data_access_exception,#function
@@ -200,8 +197,7 @@
 	mov		%l5, %o2
 	call		spitfire_data_access_exception
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_data_access_exception,.-__spitfire_data_access_exception
 
 	.type		__spitfire_insn_access_exception_tl1,#function
@@ -220,8 +216,7 @@
 	mov		%l5, %o2
 	call		spitfire_insn_access_exception_tl1
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_insn_access_exception_tl1,.-__spitfire_insn_access_exception_tl1
 
 	.type		__spitfire_insn_access_exception,#function
@@ -240,6 +235,5 @@
 	mov		%l5, %o2
 	call		spitfire_insn_access_exception
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_insn_access_exception,.-__spitfire_insn_access_exception
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 6c3dd6c..eac7f0d 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -88,4 +88,4 @@
 /*340*/	.long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 /*345*/	.long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
 /*350*/	.long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-/*355*/	.long sys_setsockopt, sys_mlock2, sys_copy_file_range
+/*355*/	.long sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 12b524c..b0f17ff 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -89,7 +89,7 @@
 /*340*/	.word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 	.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
 /*350*/	.word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-	.word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range
+	.word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range, compat_sys_preadv2, compat_sys_pwritev2
 
 #endif /* CONFIG_COMPAT */
 
@@ -170,4 +170,4 @@
 /*340*/	.word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 	.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
 /*350*/	.word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-	.word sys_setsockopt, sys_mlock2, sys_copy_file_range
+	.word sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2
diff --git a/arch/sparc/kernel/utrap.S b/arch/sparc/kernel/utrap.S
index b7f0f3f..c731e80 100644
--- a/arch/sparc/kernel/utrap.S
+++ b/arch/sparc/kernel/utrap.S
@@ -11,8 +11,7 @@
 	mov		%l4, %o1
         call		bad_trap
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 
 invoke_utrap:
 	sllx		%g3, 3, %g3
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index cb5789c..f6bb857 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -45,6 +45,14 @@
 	return NULL;
 }
 
+static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
+{
+	const struct vio_dev *vio_dev = to_vio_dev(dev);
+
+	add_uevent_var(env, "MODALIAS=vio:T%sS%s", vio_dev->type, vio_dev->compat);
+	return 0;
+}
+
 static int vio_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct vio_dev *vio_dev = to_vio_dev(dev);
@@ -105,15 +113,25 @@
 	return sprintf(buf, "%s\n", vdev->type);
 }
 
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	const struct vio_dev *vdev = to_vio_dev(dev);
+
+	return sprintf(buf, "vio:T%sS%s\n", vdev->type, vdev->compat);
+}
+
 static struct device_attribute vio_dev_attrs[] = {
 	__ATTR_RO(devspec),
 	__ATTR_RO(type),
+	__ATTR_RO(modalias),
 	__ATTR_NULL
 };
 
 static struct bus_type vio_bus_type = {
 	.name		= "vio",
 	.dev_attrs	= vio_dev_attrs,
+	.uevent         = vio_hotplug,
 	.match		= vio_bus_match,
 	.probe		= vio_device_probe,
 	.remove		= vio_device_remove,
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index aadd321..7d02b1f 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -33,6 +33,10 @@
 jiffies = jiffies_64;
 #endif
 
+#ifdef CONFIG_SPARC64
+ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
+#endif
+
 SECTIONS
 {
 #ifdef CONFIG_SPARC64
diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S
index 1e67ce9..855019a 100644
--- a/arch/sparc/kernel/winfixup.S
+++ b/arch/sparc/kernel/winfixup.S
@@ -32,8 +32,7 @@
 	 rd	%pc, %g7
 	call	do_sparc64_fault
 	 add	%sp, PTREGS_OFF, %o0
-	ba,pt	%xcc, rtrap
-	 nop
+	ba,a,pt	%xcc, rtrap
 
 	/* Be very careful about usage of the trap globals here.
 	 * You cannot touch %g5 as that has the fault information.
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 1cfe6aa..09e8388 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1769,6 +1769,7 @@
 			max_phys_bits = 47;
 			break;
 		case SUN4V_CHIP_SPARC_M7:
+		case SUN4V_CHIP_SPARC_SN:
 		default:
 			/* M7 and later support 52-bit virtual addresses.  */
 			sparc64_va_hole_top =    0xfff8000000000000UL;
@@ -1986,6 +1987,7 @@
 	 */
 	switch (sun4v_chip_type) {
 	case SUN4V_CHIP_SPARC_M7:
+	case SUN4V_CHIP_SPARC_SN:
 		pagecv_flag = 0x00;
 		break;
 	default:
@@ -2138,6 +2140,7 @@
 	 */
 	switch (sun4v_chip_type) {
 	case SUN4V_CHIP_SPARC_M7:
+	case SUN4V_CHIP_SPARC_SN:
 		page_cache4v_flag = _PAGE_CP_4V;
 		break;
 	default:
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 86a9bec..bd3e842 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -115,7 +115,7 @@
 /*
  * AMD Performance Monitor K7 and later.
  */
-static const u64 amd_perfmon_event_map[] =
+static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] =
 {
   [PERF_COUNT_HW_CPU_CYCLES]			= 0x0076,
   [PERF_COUNT_HW_INSTRUCTIONS]			= 0x00c0,
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 68fa55b..aff7988 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3639,6 +3639,7 @@
 
 	case 78: /* 14nm Skylake Mobile */
 	case 94: /* 14nm Skylake Desktop */
+	case 85: /* 14nm Skylake Server */
 		x86_pmu.late_ack = true;
 		memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids));
 		memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 6c3b7c1..1ca5d1e 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -63,7 +63,7 @@
 
 #define LBR_PLM (LBR_KERNEL | LBR_USER)
 
-#define LBR_SEL_MASK	0x1ff	/* valid bits in LBR_SELECT */
+#define LBR_SEL_MASK	0x3ff	/* valid bits in LBR_SELECT */
 #define LBR_NOT_SUPP	-1	/* LBR filter not supported */
 #define LBR_IGN		0	/* ignored */
 
@@ -610,8 +610,10 @@
 	 * The first 9 bits (LBR_SEL_MASK) in LBR_SELECT operate
 	 * in suppress mode. So LBR_SELECT should be set to
 	 * (~mask & LBR_SEL_MASK) | (mask & ~LBR_SEL_MASK)
+	 * But the 10th bit LBR_CALL_STACK does not operate
+	 * in suppress mode.
 	 */
-	reg->config = mask ^ x86_pmu.lbr_sel_mask;
+	reg->config = mask ^ (x86_pmu.lbr_sel_mask & ~LBR_CALL_STACK);
 
 	if ((br_type & PERF_SAMPLE_BRANCH_NO_CYCLES) &&
 	    (br_type & PERF_SAMPLE_BRANCH_NO_FLAGS) &&
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 6af7cf7..09a77db 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -136,9 +136,21 @@
 	struct dev_ext_attribute *de_attrs;
 	struct attribute **attrs;
 	size_t size;
+	u64 reg;
 	int ret;
 	long i;
 
+	if (boot_cpu_has(X86_FEATURE_VMX)) {
+		/*
+		 * Intel SDM, 36.5 "Tracing post-VMXON" says that
+		 * "IA32_VMX_MISC[bit 14]" being 1 means PT can trace
+		 * post-VMXON.
+		 */
+		rdmsrl(MSR_IA32_VMX_MISC, reg);
+		if (reg & BIT(14))
+			pt_pmu.vmx = true;
+	}
+
 	attrs = NULL;
 
 	for (i = 0; i < PT_CPUID_LEAVES; i++) {
@@ -269,20 +281,23 @@
 
 	reg |= (event->attr.config & PT_CONFIG_MASK);
 
+	event->hw.config = reg;
 	wrmsrl(MSR_IA32_RTIT_CTL, reg);
 }
 
-static void pt_config_start(bool start)
+static void pt_config_stop(struct perf_event *event)
 {
-	u64 ctl;
+	u64 ctl = READ_ONCE(event->hw.config);
 
-	rdmsrl(MSR_IA32_RTIT_CTL, ctl);
-	if (start)
-		ctl |= RTIT_CTL_TRACEEN;
-	else
-		ctl &= ~RTIT_CTL_TRACEEN;
+	/* may be already stopped by a PMI */
+	if (!(ctl & RTIT_CTL_TRACEEN))
+		return;
+
+	ctl &= ~RTIT_CTL_TRACEEN;
 	wrmsrl(MSR_IA32_RTIT_CTL, ctl);
 
+	WRITE_ONCE(event->hw.config, ctl);
+
 	/*
 	 * A wrmsr that disables trace generation serializes other PT
 	 * registers and causes all data packets to be written to memory,
@@ -291,8 +306,7 @@
 	 * The below WMB, separating data store and aux_head store matches
 	 * the consumer's RMB that separates aux_head load and data load.
 	 */
-	if (!start)
-		wmb();
+	wmb();
 }
 
 static void pt_config_buffer(void *buf, unsigned int topa_idx,
@@ -942,11 +956,17 @@
 	if (!ACCESS_ONCE(pt->handle_nmi))
 		return;
 
-	pt_config_start(false);
+	/*
+	 * If VMX is on and PT does not support it, don't touch anything.
+	 */
+	if (READ_ONCE(pt->vmx_on))
+		return;
 
 	if (!event)
 		return;
 
+	pt_config_stop(event);
+
 	buf = perf_get_aux(&pt->handle);
 	if (!buf)
 		return;
@@ -983,6 +1003,35 @@
 	}
 }
 
+void intel_pt_handle_vmx(int on)
+{
+	struct pt *pt = this_cpu_ptr(&pt_ctx);
+	struct perf_event *event;
+	unsigned long flags;
+
+	/* PT plays nice with VMX, do nothing */
+	if (pt_pmu.vmx)
+		return;
+
+	/*
+	 * VMXON will clear RTIT_CTL.TraceEn; we need to make
+	 * sure to not try to set it while VMX is on. Disable
+	 * interrupts to avoid racing with pmu callbacks;
+	 * concurrent PMI should be handled fine.
+	 */
+	local_irq_save(flags);
+	WRITE_ONCE(pt->vmx_on, on);
+
+	if (on) {
+		/* prevent pt_config_stop() from writing RTIT_CTL */
+		event = pt->handle.event;
+		if (event)
+			event->hw.config = 0;
+	}
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL_GPL(intel_pt_handle_vmx);
+
 /*
  * PMU callbacks
  */
@@ -992,6 +1041,9 @@
 	struct pt *pt = this_cpu_ptr(&pt_ctx);
 	struct pt_buffer *buf = perf_get_aux(&pt->handle);
 
+	if (READ_ONCE(pt->vmx_on))
+		return;
+
 	if (!buf || pt_buffer_is_full(buf, pt)) {
 		event->hw.state = PERF_HES_STOPPED;
 		return;
@@ -1014,7 +1066,8 @@
 	 * see comment in intel_pt_interrupt().
 	 */
 	ACCESS_ONCE(pt->handle_nmi) = 0;
-	pt_config_start(false);
+
+	pt_config_stop(event);
 
 	if (event->hw.state == PERF_HES_STOPPED)
 		return;
diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h
index 336878a..3abb5f5 100644
--- a/arch/x86/events/intel/pt.h
+++ b/arch/x86/events/intel/pt.h
@@ -65,6 +65,7 @@
 struct pt_pmu {
 	struct pmu		pmu;
 	u32			caps[PT_CPUID_REGS_NUM * PT_CPUID_LEAVES];
+	bool			vmx;
 };
 
 /**
@@ -107,10 +108,12 @@
  * struct pt - per-cpu pt context
  * @handle:	perf output handle
  * @handle_nmi:	do handle PT PMI on this cpu, there's an active event
+ * @vmx_on:	1 if VMX is ON on this cpu
  */
 struct pt {
 	struct perf_output_handle handle;
 	int			handle_nmi;
+	int			vmx_on;
 };
 
 #endif /* __INTEL_PT_H__ */
diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c
index 70c93f9..1705c9d 100644
--- a/arch/x86/events/intel/rapl.c
+++ b/arch/x86/events/intel/rapl.c
@@ -718,6 +718,7 @@
 		break;
 	case 60: /* Haswell */
 	case 69: /* Haswell-Celeron */
+	case 70: /* Haswell GT3e */
 	case 61: /* Broadwell */
 	case 71: /* Broadwell-H */
 		rapl_cntr_mask = RAPL_IDX_HSW;
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 5a2ed3e..f353061 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -285,6 +285,10 @@
 static inline void perf_check_microcode(void) { }
 #endif
 
+#ifdef CONFIG_CPU_SUP_INTEL
+ extern void intel_pt_handle_vmx(int on);
+#endif
+
 #if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_AMD)
  extern void amd_pmu_enable_virt(void);
  extern void amd_pmu_disable_virt(void);
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index ad59d70..ef49551 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -256,7 +256,8 @@
 	struct irq_desc *desc;
 	int cpu, vector;
 
-	BUG_ON(!data->cfg.vector);
+	if (!data->cfg.vector)
+		return;
 
 	vector = data->cfg.vector;
 	for_each_cpu_and(cpu, data->domain, cpu_online_mask)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 54cdbd2..af11129 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -389,12 +389,6 @@
 	/* Make changes effective */
 	wrmsr
 
-	/*
-	 * And make sure that all the mappings we set up have NX set from
-	 * the beginning.
-	 */
-	orl $(1 << (_PAGE_BIT_NX - 32)), pa(__supported_pte_mask + 4)
-
 enable_paging:
 
 /*
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ee1c8a9..133679d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3103,6 +3103,8 @@
 
 static void kvm_cpu_vmxon(u64 addr)
 {
+	intel_pt_handle_vmx(1);
+
 	asm volatile (ASM_VMX_VMXON_RAX
 			: : "a"(&addr), "m"(addr)
 			: "memory", "cc");
@@ -3172,6 +3174,8 @@
 static void kvm_cpu_vmxoff(void)
 {
 	asm volatile (__ex(ASM_VMX_VMXOFF) : : : "cc");
+
+	intel_pt_handle_vmx(0);
 }
 
 static void hardware_disable(void)
diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
index 8bea847..f65a33f 100644
--- a/arch/x86/mm/setup_nx.c
+++ b/arch/x86/mm/setup_nx.c
@@ -32,8 +32,9 @@
 
 void x86_configure_nx(void)
 {
-	/* If disable_nx is set, clear NX on all new mappings going forward. */
-	if (disable_nx)
+	if (boot_cpu_has(X86_FEATURE_NX) && !disable_nx)
+		__supported_pte_mask |= _PAGE_NX;
+	else
 		__supported_pte_mask &= ~_PAGE_NX;
 }
 
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 9e2ba5c..f42e78d 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -27,6 +27,12 @@
 
 static void xen_qlock_kick(int cpu)
 {
+	int irq = per_cpu(lock_kicker_irq, cpu);
+
+	/* Don't kick if the target's kicker interrupt is not initialized. */
+	if (irq == -1)
+		return;
+
 	xen_send_IPI_one(cpu, XEN_SPIN_UNLOCK_VECTOR);
 }
 
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 94a1843..0ede6d7 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -538,7 +538,6 @@
 				u8 *order, u64 *snap_size);
 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
 		u64 *snap_features);
-static u64 rbd_snap_id_by_name(struct rbd_device *rbd_dev, const char *name);
 
 static int rbd_open(struct block_device *bdev, fmode_t mode)
 {
@@ -3127,9 +3126,6 @@
 	struct rbd_device *rbd_dev = (struct rbd_device *)data;
 	int ret;
 
-	if (!rbd_dev)
-		return;
-
 	dout("%s: \"%s\" notify_id %llu opcode %u\n", __func__,
 		rbd_dev->header_name, (unsigned long long)notify_id,
 		(unsigned int)opcode);
@@ -3263,6 +3259,9 @@
 
 	ceph_osdc_cancel_event(rbd_dev->watch_event);
 	rbd_dev->watch_event = NULL;
+
+	dout("%s flushing notifies\n", __func__);
+	ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc);
 }
 
 /*
@@ -3642,21 +3641,14 @@
 static void rbd_dev_update_size(struct rbd_device *rbd_dev)
 {
 	sector_t size;
-	bool removing;
 
 	/*
-	 * Don't hold the lock while doing disk operations,
-	 * or lock ordering will conflict with the bdev mutex via:
-	 * rbd_add() -> blkdev_get() -> rbd_open()
+	 * If EXISTS is not set, rbd_dev->disk may be NULL, so don't
+	 * try to update its size.  If REMOVING is set, updating size
+	 * is just useless work since the device can't be opened.
 	 */
-	spin_lock_irq(&rbd_dev->lock);
-	removing = test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags);
-	spin_unlock_irq(&rbd_dev->lock);
-	/*
-	 * If the device is being removed, rbd_dev->disk has
-	 * been destroyed, so don't try to update its size
-	 */
-	if (!removing) {
+	if (test_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags) &&
+	    !test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags)) {
 		size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE;
 		dout("setting size to %llu sectors", (unsigned long long)size);
 		set_capacity(rbd_dev->disk, size);
@@ -4191,7 +4183,7 @@
 		__le64 features;
 		__le64 incompat;
 	} __attribute__ ((packed)) features_buf = { 0 };
-	u64 incompat;
+	u64 unsup;
 	int ret;
 
 	ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_name,
@@ -4204,9 +4196,12 @@
 	if (ret < sizeof (features_buf))
 		return -ERANGE;
 
-	incompat = le64_to_cpu(features_buf.incompat);
-	if (incompat & ~RBD_FEATURES_SUPPORTED)
+	unsup = le64_to_cpu(features_buf.incompat) & ~RBD_FEATURES_SUPPORTED;
+	if (unsup) {
+		rbd_warn(rbd_dev, "image uses unsupported features: 0x%llx",
+			 unsup);
 		return -ENXIO;
+	}
 
 	*snap_features = le64_to_cpu(features_buf.features);
 
@@ -5187,6 +5182,10 @@
 	return ret;
 }
 
+/*
+ * rbd_dev->header_rwsem must be locked for write and will be unlocked
+ * upon return.
+ */
 static int rbd_dev_device_setup(struct rbd_device *rbd_dev)
 {
 	int ret;
@@ -5195,7 +5194,7 @@
 
 	ret = rbd_dev_id_get(rbd_dev);
 	if (ret)
-		return ret;
+		goto err_out_unlock;
 
 	BUILD_BUG_ON(DEV_NAME_LEN
 			< sizeof (RBD_DRV_NAME) + MAX_INT_FORMAT_WIDTH);
@@ -5236,8 +5235,9 @@
 	/* Everything's ready.  Announce the disk to the world. */
 
 	set_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags);
-	add_disk(rbd_dev->disk);
+	up_write(&rbd_dev->header_rwsem);
 
+	add_disk(rbd_dev->disk);
 	pr_info("%s: added with size 0x%llx\n", rbd_dev->disk->disk_name,
 		(unsigned long long) rbd_dev->mapping.size);
 
@@ -5252,6 +5252,8 @@
 		unregister_blkdev(rbd_dev->major, rbd_dev->name);
 err_out_id:
 	rbd_dev_id_put(rbd_dev);
+err_out_unlock:
+	up_write(&rbd_dev->header_rwsem);
 	return ret;
 }
 
@@ -5442,6 +5444,7 @@
 	spec = NULL;		/* rbd_dev now owns this */
 	rbd_opts = NULL;	/* rbd_dev now owns this */
 
+	down_write(&rbd_dev->header_rwsem);
 	rc = rbd_dev_image_probe(rbd_dev, 0);
 	if (rc < 0)
 		goto err_out_rbd_dev;
@@ -5471,6 +5474,7 @@
 	return rc;
 
 err_out_rbd_dev:
+	up_write(&rbd_dev->header_rwsem);
 	rbd_dev_destroy(rbd_dev);
 err_out_client:
 	rbd_put_client(rbdc);
@@ -5577,12 +5581,6 @@
 		return ret;
 
 	rbd_dev_header_unwatch_sync(rbd_dev);
-	/*
-	 * flush remaining watch callbacks - these must be complete
-	 * before the osd_client is shutdown
-	 */
-	dout("%s: flushing notifies", __func__);
-	ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc);
 
 	/*
 	 * Don't free anything from rbd_dev->disk until after all
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index 02e1818..2beb396f 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -394,7 +394,7 @@
 		clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7);
 	} else {
 		clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6);
-		clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60", base + 0x20, 2, 6);
+		clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6);
 		clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
 		clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m",          base + 0x24, 0,  6);
 		clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 10a5cfe..5f1147f 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -193,12 +193,8 @@
 		wall_time = cur_wall_time - j_cdbs->prev_cpu_wall;
 		j_cdbs->prev_cpu_wall = cur_wall_time;
 
-		if (cur_idle_time <= j_cdbs->prev_cpu_idle) {
-			idle_time = 0;
-		} else {
-			idle_time = cur_idle_time - j_cdbs->prev_cpu_idle;
-			j_cdbs->prev_cpu_idle = cur_idle_time;
-		}
+		idle_time = cur_idle_time - j_cdbs->prev_cpu_idle;
+		j_cdbs->prev_cpu_idle = cur_idle_time;
 
 		if (ignore_nice) {
 			u64 cur_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE];
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 30fe323..f502d5b 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -813,6 +813,11 @@
 			if (err)
 				goto skip_tar;
 
+			/* For level 1 and 2, bits[23:16] contain the ratio */
+			if (tdp_ctrl)
+				tdp_ratio >>= 16;
+
+			tdp_ratio &= 0xff; /* ratios are only 8 bits long */
 			if (tdp_ratio - 1 == tar) {
 				max_pstate = tar;
 				pr_debug("max_pstate=TAC %x\n", max_pstate);
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 01087a3..792bdae 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1866,7 +1866,7 @@
 
 	i7_dev = get_i7core_dev(mce->socketid);
 	if (!i7_dev)
-		return NOTIFY_BAD;
+		return NOTIFY_DONE;
 
 	mci = i7_dev->mci;
 	pvt = mci->pvt_info;
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 468447a..8bf745d 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -3168,7 +3168,7 @@
 
 	mci = get_mci_for_node_id(mce->socketid);
 	if (!mci)
-		return NOTIFY_BAD;
+		return NOTIFY_DONE;
 	pvt = mci->pvt_info;
 
 	/*
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index 0ac594c..34b7419 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -202,29 +202,44 @@
 	{ NULL_GUID, "", NULL },
 };
 
+/*
+ * Check if @var_name matches the pattern given in @match_name.
+ *
+ * @var_name: an array of @len non-NUL characters.
+ * @match_name: a NUL-terminated pattern string, optionally ending in "*". A
+ *              final "*" character matches any trailing characters @var_name,
+ *              including the case when there are none left in @var_name.
+ * @match: on output, the number of non-wildcard characters in @match_name
+ *         that @var_name matches, regardless of the return value.
+ * @return: whether @var_name fully matches @match_name.
+ */
 static bool
 variable_matches(const char *var_name, size_t len, const char *match_name,
 		 int *match)
 {
 	for (*match = 0; ; (*match)++) {
 		char c = match_name[*match];
-		char u = var_name[*match];
 
-		/* Wildcard in the matching name means we've matched */
-		if (c == '*')
+		switch (c) {
+		case '*':
+			/* Wildcard in @match_name means we've matched. */
 			return true;
 
-		/* Case sensitive match */
-		if (!c && *match == len)
-			return true;
+		case '\0':
+			/* @match_name has ended. Has @var_name too? */
+			return (*match == len);
 
-		if (c != u)
+		default:
+			/*
+			 * We've reached a non-wildcard char in @match_name.
+			 * Continue only if there's an identical character in
+			 * @var_name.
+			 */
+			if (*match < len && c == var_name[*match])
+				continue;
 			return false;
-
-		if (!c)
-			return true;
+		}
 	}
-	return true;
 }
 
 bool
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index d9ab0cd..4d9a315 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -196,44 +196,6 @@
 	return 0;
 }
 
-static void gpio_rcar_irq_bus_lock(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-
-	pm_runtime_get_sync(&p->pdev->dev);
-}
-
-static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-
-	pm_runtime_put(&p->pdev->dev);
-}
-
-
-static int gpio_rcar_irq_request_resources(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-	int error;
-
-	error = pm_runtime_get_sync(&p->pdev->dev);
-	if (error < 0)
-		return error;
-
-	return 0;
-}
-
-static void gpio_rcar_irq_release_resources(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-
-	pm_runtime_put(&p->pdev->dev);
-}
-
 static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
 {
 	struct gpio_rcar_priv *p = dev_id;
@@ -280,32 +242,18 @@
 
 static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset)
 {
-	struct gpio_rcar_priv *p = gpiochip_get_data(chip);
-	int error;
-
-	error = pm_runtime_get_sync(&p->pdev->dev);
-	if (error < 0)
-		return error;
-
-	error = pinctrl_request_gpio(chip->base + offset);
-	if (error)
-		pm_runtime_put(&p->pdev->dev);
-
-	return error;
+	return pinctrl_request_gpio(chip->base + offset);
 }
 
 static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset)
 {
-	struct gpio_rcar_priv *p = gpiochip_get_data(chip);
-
 	pinctrl_free_gpio(chip->base + offset);
 
-	/* Set the GPIO as an input to ensure that the next GPIO request won't
+	/*
+	 * Set the GPIO as an input to ensure that the next GPIO request won't
 	 * drive the GPIO pin as an output.
 	 */
 	gpio_rcar_config_general_input_output_mode(chip, offset, false);
-
-	pm_runtime_put(&p->pdev->dev);
 }
 
 static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset)
@@ -452,6 +400,7 @@
 	}
 
 	pm_runtime_enable(dev);
+	pm_runtime_get_sync(dev);
 
 	io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
@@ -488,10 +437,6 @@
 	irq_chip->irq_unmask = gpio_rcar_irq_enable;
 	irq_chip->irq_set_type = gpio_rcar_irq_set_type;
 	irq_chip->irq_set_wake = gpio_rcar_irq_set_wake;
-	irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock;
-	irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock;
-	irq_chip->irq_request_resources = gpio_rcar_irq_request_resources;
-	irq_chip->irq_release_resources = gpio_rcar_irq_release_resources;
 	irq_chip->flags	= IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND;
 
 	ret = gpiochip_add_data(gpio_chip, p);
@@ -522,6 +467,7 @@
 err1:
 	gpiochip_remove(gpio_chip);
 err0:
+	pm_runtime_put(dev);
 	pm_runtime_disable(dev);
 	return ret;
 }
@@ -532,6 +478,7 @@
 
 	gpiochip_remove(&p->gpio_chip);
 
+	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 	return 0;
 }
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 682070d..2dc5258 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -977,7 +977,7 @@
 		lookup = kmalloc(sizeof(*lookup), GFP_KERNEL);
 		if (lookup) {
 			lookup->adev = adev;
-			lookup->con_id = con_id;
+			lookup->con_id = kstrdup(con_id, GFP_KERNEL);
 			list_add_tail(&lookup->node, &acpi_crs_lookup_list);
 		}
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 0020a0e..35a1248 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -63,10 +63,6 @@
 	return amdgpu_atpx_priv.atpx_detected;
 }
 
-bool amdgpu_has_atpx_dgpu_power_cntl(void) {
-	return amdgpu_atpx_priv.atpx.functions.power_cntl;
-}
-
 /**
  * amdgpu_atpx_call - call an ATPX method
  *
@@ -146,6 +142,13 @@
  */
 static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
 {
+	/* make sure required functions are enabled */
+	/* dGPU power control is required */
+	if (atpx->functions.power_cntl == false) {
+		printk("ATPX dGPU power cntl not present, forcing\n");
+		atpx->functions.power_cntl = true;
+	}
+
 	if (atpx->functions.px_params) {
 		union acpi_object *info;
 		struct atpx_px_params output;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 61211747..2139da7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -62,12 +62,6 @@
 	"LAST",
 };
 
-#if defined(CONFIG_VGA_SWITCHEROO)
-bool amdgpu_has_atpx_dgpu_power_cntl(void);
-#else
-static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
-#endif
-
 bool amdgpu_device_is_px(struct drm_device *dev)
 {
 	struct amdgpu_device *adev = dev->dev_private;
@@ -1485,7 +1479,7 @@
 
 	if (amdgpu_runtime_pm == 1)
 		runtime = true;
-	if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl())
+	if (amdgpu_device_is_px(ddev))
 		runtime = true;
 	vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime);
 	if (runtime)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 05b0353..a4a2e6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -910,7 +910,10 @@
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
+	if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
+		return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
+	else
+		return 0;
 }
 
 static int gmc_v7_0_sw_init(void *handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 02deb32..7a9db2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -870,7 +870,10 @@
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
+	if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
+		return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
+	else
+		return 0;
 }
 
 #define mmMC_SEQ_MISC0_FIJI 0xA71
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index e17fbda..71ea052 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1796,6 +1796,11 @@
 		req_payload.start_slot = cur_slots;
 		if (mgr->proposed_vcpis[i]) {
 			port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi);
+			port = drm_dp_get_validated_port_ref(mgr, port);
+			if (!port) {
+				mutex_unlock(&mgr->payload_lock);
+				return -EINVAL;
+			}
 			req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots;
 			req_payload.vcpi = mgr->proposed_vcpis[i]->vcpi;
 		} else {
@@ -1823,6 +1828,9 @@
 			mgr->payloads[i].payload_state = req_payload.payload_state;
 		}
 		cur_slots += req_payload.num_slots;
+
+		if (port)
+			drm_dp_put_port(port);
 	}
 
 	for (i = 0; i < mgr->max_payloads; i++) {
@@ -2128,6 +2136,8 @@
 
 	if (mgr->mst_primary) {
 		int sret;
+		u8 guid[16];
+
 		sret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE);
 		if (sret != DP_RECEIVER_CAP_SIZE) {
 			DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
@@ -2142,6 +2152,16 @@
 			ret = -1;
 			goto out_unlock;
 		}
+
+		/* Some hubs forget their guids after they resume */
+		sret = drm_dp_dpcd_read(mgr->aux, DP_GUID, guid, 16);
+		if (sret != 16) {
+			DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
+			ret = -1;
+			goto out_unlock;
+		}
+		drm_dp_check_mstb_guid(mgr->mst_primary, guid);
+
 		ret = 0;
 	} else
 		ret = -1;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 09198d0..306dde1 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -572,6 +572,24 @@
 		goto fail;
 	}
 
+	/*
+	 * Set the GPU linear window to be at the end of the DMA window, where
+	 * the CMA area is likely to reside. This ensures that we are able to
+	 * map the command buffers while having the linear window overlap as
+	 * much RAM as possible, so we can optimize mappings for other buffers.
+	 *
+	 * For 3D cores only do this if MC2.0 is present, as with MC1.0 it leads
+	 * to different views of the memory on the individual engines.
+	 */
+	if (!(gpu->identity.features & chipFeatures_PIPE_3D) ||
+	    (gpu->identity.minor_features0 & chipMinorFeatures0_MC20)) {
+		u32 dma_mask = (u32)dma_get_required_mask(gpu->dev);
+		if (dma_mask < PHYS_OFFSET + SZ_2G)
+			gpu->memory_base = PHYS_OFFSET;
+		else
+			gpu->memory_base = dma_mask - SZ_2G + 1;
+	}
+
 	ret = etnaviv_hw_reset(gpu);
 	if (ret)
 		goto fail;
@@ -1566,7 +1584,6 @@
 {
 	struct device *dev = &pdev->dev;
 	struct etnaviv_gpu *gpu;
-	u32 dma_mask;
 	int err = 0;
 
 	gpu = devm_kzalloc(dev, sizeof(*gpu), GFP_KERNEL);
@@ -1576,18 +1593,6 @@
 	gpu->dev = &pdev->dev;
 	mutex_init(&gpu->lock);
 
-	/*
-	 * Set the GPU linear window to be at the end of the DMA window, where
-	 * the CMA area is likely to reside. This ensures that we are able to
-	 * map the command buffers while having the linear window overlap as
-	 * much RAM as possible, so we can optimize mappings for other buffers.
-	 */
-	dma_mask = (u32)dma_get_required_mask(dev);
-	if (dma_mask < PHYS_OFFSET + SZ_2G)
-		gpu->memory_base = PHYS_OFFSET;
-	else
-		gpu->memory_base = dma_mask - SZ_2G + 1;
-
 	/* Map registers: */
 	gpu->mmio = etnaviv_ioremap(pdev, NULL, dev_name(gpu->dev));
 	if (IS_ERR(gpu->mmio))
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 76c4bdf..34f7a29 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2608,10 +2608,152 @@
 	WREG32(VM_CONTEXT1_CNTL, 0);
 }
 
+static const unsigned ni_dig_offsets[] =
+{
+	NI_DIG0_REGISTER_OFFSET,
+	NI_DIG1_REGISTER_OFFSET,
+	NI_DIG2_REGISTER_OFFSET,
+	NI_DIG3_REGISTER_OFFSET,
+	NI_DIG4_REGISTER_OFFSET,
+	NI_DIG5_REGISTER_OFFSET
+};
+
+static const unsigned ni_tx_offsets[] =
+{
+	NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
+	NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
+	NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
+	NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
+	NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
+	NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
+};
+
+static const unsigned evergreen_dp_offsets[] =
+{
+	EVERGREEN_DP0_REGISTER_OFFSET,
+	EVERGREEN_DP1_REGISTER_OFFSET,
+	EVERGREEN_DP2_REGISTER_OFFSET,
+	EVERGREEN_DP3_REGISTER_OFFSET,
+	EVERGREEN_DP4_REGISTER_OFFSET,
+	EVERGREEN_DP5_REGISTER_OFFSET
+};
+
+
+/*
+ * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
+ * We go from crtc to connector and it is not relible  since it
+ * should be an opposite direction .If crtc is enable then
+ * find the dig_fe which selects this crtc and insure that it enable.
+ * if such dig_fe is found then find dig_be which selects found dig_be and
+ * insure that it enable and in DP_SST mode.
+ * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
+ * from dp symbols clocks .
+ */
+static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
+					       unsigned crtc_id, unsigned *ret_dig_fe)
+{
+	unsigned i;
+	unsigned dig_fe;
+	unsigned dig_be;
+	unsigned dig_en_be;
+	unsigned uniphy_pll;
+	unsigned digs_fe_selected;
+	unsigned dig_be_mode;
+	unsigned dig_fe_mask;
+	bool is_enabled = false;
+	bool found_crtc = false;
+
+	/* loop through all running dig_fe to find selected crtc */
+	for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
+		dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
+		if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
+		    crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
+			/* found running pipe */
+			found_crtc = true;
+			dig_fe_mask = 1 << i;
+			dig_fe = i;
+			break;
+		}
+	}
+
+	if (found_crtc) {
+		/* loop through all running dig_be to find selected dig_fe */
+		for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
+			dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
+			/* if dig_fe_selected by dig_be? */
+			digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
+			dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
+			if (dig_fe_mask &  digs_fe_selected &&
+			    /* if dig_be in sst mode? */
+			    dig_be_mode == NI_DIG_BE_DPSST) {
+				dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
+						   ni_dig_offsets[i]);
+				uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
+						    ni_tx_offsets[i]);
+				/* dig_be enable and tx is running */
+				if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
+				    dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
+				    uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
+					is_enabled = true;
+					*ret_dig_fe = dig_fe;
+					break;
+				}
+			}
+		}
+	}
+
+	return is_enabled;
+}
+
+/*
+ * Blank dig when in dp sst mode
+ * Dig ignores crtc timing
+ */
+static void evergreen_blank_dp_output(struct radeon_device *rdev,
+				      unsigned dig_fe)
+{
+	unsigned stream_ctrl;
+	unsigned fifo_ctrl;
+	unsigned counter = 0;
+
+	if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
+		DRM_ERROR("invalid dig_fe %d\n", dig_fe);
+		return;
+	}
+
+	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+			     evergreen_dp_offsets[dig_fe]);
+	if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
+		DRM_ERROR("dig %d , should be enable\n", dig_fe);
+		return;
+	}
+
+	stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
+	WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+	       evergreen_dp_offsets[dig_fe], stream_ctrl);
+
+	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+			     evergreen_dp_offsets[dig_fe]);
+	while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
+		msleep(1);
+		counter++;
+		stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+				     evergreen_dp_offsets[dig_fe]);
+	}
+	if (counter >= 32 )
+		DRM_ERROR("counter exceeds %d\n", counter);
+
+	fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
+	fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
+	WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
+
+}
+
 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 {
 	u32 crtc_enabled, tmp, frame_count, blackout;
 	int i, j;
+	unsigned dig_fe;
 
 	if (!ASIC_IS_NODCE(rdev)) {
 		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
@@ -2651,7 +2793,17 @@
 					break;
 				udelay(1);
 			}
-
+			/*we should disable dig if it drives dp sst*/
+			/*but we are in radeon_device_init and the topology is unknown*/
+			/*and it is available after radeon_modeset_init*/
+			/*the following method radeon_atom_encoder_dpms_dig*/
+			/*does the job if we initialize it properly*/
+			/*for now we do it this manually*/
+			/**/
+			if (ASIC_IS_DCE5(rdev) &&
+			    evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
+				evergreen_blank_dp_output(rdev, dig_fe);
+			/*we could remove 6 lines below*/
 			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index aa939dfe..b436bad 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -250,8 +250,43 @@
 
 /* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */
 #define EVERGREEN_HDMI_BASE				0x7030
+/*DIG block*/
+#define NI_DIG0_REGISTER_OFFSET                 (0x7000  - 0x7000)
+#define NI_DIG1_REGISTER_OFFSET                 (0x7C00  - 0x7000)
+#define NI_DIG2_REGISTER_OFFSET                 (0x10800 - 0x7000)
+#define NI_DIG3_REGISTER_OFFSET                 (0x11400 - 0x7000)
+#define NI_DIG4_REGISTER_OFFSET                 (0x12000 - 0x7000)
+#define NI_DIG5_REGISTER_OFFSET                 (0x12C00 - 0x7000)
+
+
+#define NI_DIG_FE_CNTL                               0x7000
+#       define NI_DIG_FE_CNTL_SOURCE_SELECT(x)        ((x) & 0x3)
+#       define NI_DIG_FE_CNTL_SYMCLK_FE_ON            (1<<24)
+
+
+#define NI_DIG_BE_CNTL                    0x7140
+#       define NI_DIG_BE_CNTL_FE_SOURCE_SELECT(x)     (((x) >> 8 ) & 0x3F)
+#       define NI_DIG_FE_CNTL_MODE(x)                 (((x) >> 16) & 0x7 )
+
+#define NI_DIG_BE_EN_CNTL                              0x7144
+#       define NI_DIG_BE_EN_CNTL_ENABLE               (1 << 0)
+#       define NI_DIG_BE_EN_CNTL_SYMBCLK_ON           (1 << 8)
+#       define NI_DIG_BE_DPSST 0
 
 /* Display Port block */
+#define EVERGREEN_DP0_REGISTER_OFFSET                 (0x730C  - 0x730C)
+#define EVERGREEN_DP1_REGISTER_OFFSET                 (0x7F0C  - 0x730C)
+#define EVERGREEN_DP2_REGISTER_OFFSET                 (0x10B0C - 0x730C)
+#define EVERGREEN_DP3_REGISTER_OFFSET                 (0x1170C - 0x730C)
+#define EVERGREEN_DP4_REGISTER_OFFSET                 (0x1230C - 0x730C)
+#define EVERGREEN_DP5_REGISTER_OFFSET                 (0x12F0C - 0x730C)
+
+
+#define EVERGREEN_DP_VID_STREAM_CNTL                    0x730C
+#       define EVERGREEN_DP_VID_STREAM_CNTL_ENABLE     (1 << 0)
+#       define EVERGREEN_DP_VID_STREAM_STATUS          (1 <<16)
+#define EVERGREEN_DP_STEER_FIFO                         0x7310
+#       define EVERGREEN_DP_STEER_FIFO_RESET           (1 << 0)
 #define EVERGREEN_DP_SEC_CNTL                           0x7280
 #       define EVERGREEN_DP_SEC_STREAM_ENABLE           (1 << 0)
 #       define EVERGREEN_DP_SEC_ASP_ENABLE              (1 << 4)
@@ -266,4 +301,15 @@
 #       define EVERGREEN_DP_SEC_N_BASE_MULTIPLE(x)      (((x) & 0xf) << 24)
 #       define EVERGREEN_DP_SEC_SS_EN                   (1 << 28)
 
+/*DCIO_UNIPHY block*/
+#define NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1            (0x6600  -0x6600)
+#define NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1            (0x6640  -0x6600)
+#define NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1            (0x6680 - 0x6600)
+#define NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1            (0x66C0 - 0x6600)
+#define NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1            (0x6700 - 0x6600)
+#define NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1            (0x6740 - 0x6600)
+
+#define NI_DCIO_UNIPHY0_PLL_CONTROL1                   0x6618
+#       define NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE     (1 << 0)
+
 #endif
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 4cbf265..e3daafa 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -230,22 +230,13 @@
 
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
-	struct ttm_mem_type_manager *man;
+	int put_count = 0;
 
 	lockdep_assert_held(&bo->resv->lock.base);
 
-	if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT) {
-		list_del_init(&bo->swap);
-		list_del_init(&bo->lru);
-
-	} else {
-		if (bo->ttm && !(bo->ttm->page_flags & TTM_PAGE_FLAG_SG))
-			list_move_tail(&bo->swap, &bo->glob->swap_lru);
-
-		man = &bdev->man[bo->mem.mem_type];
-		list_move_tail(&bo->lru, &man->lru);
-	}
+	put_count = ttm_bo_del_from_lru(bo);
+	ttm_bo_list_ref_sub(bo, put_count, true);
+	ttm_bo_add_to_lru(bo);
 }
 EXPORT_SYMBOL(ttm_bo_move_to_lru_tail);
 
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index 4854dac..5fd1fd0 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -267,11 +267,23 @@
 	return 0;
 }
 
+static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc,
+					 struct drm_crtc_state *old_state)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&crtc->dev->event_lock, flags);
+	if (crtc->state->event)
+		drm_crtc_send_vblank_event(crtc, crtc->state->event);
+	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+}
+
 static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = {
 	.enable        = virtio_gpu_crtc_enable,
 	.disable       = virtio_gpu_crtc_disable,
 	.mode_set_nofb = virtio_gpu_crtc_mode_set_nofb,
 	.atomic_check  = virtio_gpu_crtc_atomic_check,
+	.atomic_flush  = virtio_gpu_crtc_atomic_flush,
 };
 
 static void virtio_gpu_enc_mode_set(struct drm_encoder *encoder,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 723ba16..1a1a87c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3293,19 +3293,19 @@
 		    &vmw_cmd_dx_cid_check, true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
 		    true, false, true),
-	VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_ok,
+	VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
 		    true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
 		    true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
-		    &vmw_cmd_ok, true, false, true),
-	VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_ok,
+		    &vmw_cmd_dx_cid_check, true, false, true),
+	VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
 		    true, false, true),
-	VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_ok,
+	VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
 		    true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
 		    true, false, true),
-	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_invalid,
+	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
 		    true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
 		    true, false, true),
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 3b1faf7..679a4cb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -573,9 +573,9 @@
 		mode = old_mode;
 		old_mode = NULL;
 	} else if (!vmw_kms_validate_mode_vram(vmw_priv,
-					       mode->hdisplay *
-					       (var->bits_per_pixel + 7) / 8,
-					       mode->vdisplay)) {
+					mode->hdisplay *
+					DIV_ROUND_UP(var->bits_per_pixel, 8),
+					mode->vdisplay)) {
 		drm_mode_destroy(vmw_priv->dev, mode);
 		return -EINVAL;
 	}
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index c6eaff5..0238f01 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -259,6 +259,7 @@
 #define USB_DEVICE_ID_CORSAIR_K90	0x1b02
 
 #define USB_VENDOR_ID_CREATIVELABS	0x041e
+#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51	0x322c
 #define USB_DEVICE_ID_PRODIKEYS_PCMIDI	0x2801
 
 #define USB_VENDOR_ID_CVTOUCH		0x1ff7
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index ed2f68e..53fc856 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -71,6 +71,7 @@
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 02c4efe..cf2ba43 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -684,6 +684,7 @@
 
 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
 
+		wacom->shared->stylus_in_proximity = true;
 		return 1;
 	}
 
@@ -3395,6 +3396,10 @@
 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
+static const struct wacom_features wacom_features_0x343 =
+	{ "Wacom DTK1651", 34616, 19559, 1023, 0,
+	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
+	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 
 static const struct wacom_features wacom_features_HID_ANY_ID =
 	{ "Wacom HID", .type = HID_GENERIC };
@@ -3560,6 +3565,7 @@
 	{ USB_DEVICE_WACOM(0x33C) },
 	{ USB_DEVICE_WACOM(0x33D) },
 	{ USB_DEVICE_WACOM(0x33E) },
+	{ USB_DEVICE_WACOM(0x343) },
 	{ USB_DEVICE_WACOM(0x4001) },
 	{ USB_DEVICE_WACOM(0x4004) },
 	{ USB_DEVICE_WACOM(0x5000) },
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index faa8e68..0967e1a 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -975,10 +975,10 @@
 
 config I2C_XLP9XX
 	tristate "XLP9XX I2C support"
-	depends on CPU_XLP || COMPILE_TEST
+	depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST
 	help
 	  This driver enables support for the on-chip I2C interface of
-	  the Broadcom XLP9xx/XLP5xx MIPS processors.
+	  the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
 
 	  This driver can also be built as a module.  If so, the module will
 	  be called i2c-xlp9xx.
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 714bdc8..b167ab2 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -116,8 +116,8 @@
 	cbd_t __iomem *rbase;
 	u_char *txbuf[CPM_MAXBD];
 	u_char *rxbuf[CPM_MAXBD];
-	u32 txdma[CPM_MAXBD];
-	u32 rxdma[CPM_MAXBD];
+	dma_addr_t txdma[CPM_MAXBD];
+	dma_addr_t rxdma[CPM_MAXBD];
 };
 
 static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id)
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index b29c750..f54ece8 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -671,7 +671,9 @@
 		return -EIO;
 	}
 
-	clk_prepare_enable(i2c->clk);
+	ret = clk_enable(i2c->clk);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < num; i++, msgs++) {
 		stop = (i == num - 1);
@@ -695,7 +697,7 @@
 	}
 
  out:
-	clk_disable_unprepare(i2c->clk);
+	clk_disable(i2c->clk);
 	return ret;
 }
 
@@ -747,7 +749,9 @@
 		return -ENOENT;
 	}
 
-	clk_prepare_enable(i2c->clk);
+	ret = clk_prepare_enable(i2c->clk);
+	if (ret)
+		return ret;
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	i2c->regs = devm_ioremap_resource(&pdev->dev, mem);
@@ -799,6 +803,10 @@
 
 	platform_set_drvdata(pdev, i2c);
 
+	clk_disable(i2c->clk);
+
+	return 0;
+
  err_clk:
 	clk_disable_unprepare(i2c->clk);
 	return ret;
@@ -810,6 +818,8 @@
 
 	i2c_del_adapter(&i2c->adap);
 
+	clk_unprepare(i2c->clk);
+
 	return 0;
 }
 
@@ -821,6 +831,8 @@
 
 	i2c->suspended = 1;
 
+	clk_unprepare(i2c->clk);
+
 	return 0;
 }
 
@@ -830,7 +842,9 @@
 	struct exynos5_i2c *i2c = platform_get_drvdata(pdev);
 	int ret = 0;
 
-	clk_prepare_enable(i2c->clk);
+	ret = clk_prepare_enable(i2c->clk);
+	if (ret)
+		return ret;
 
 	ret = exynos5_hsi2c_clock_setup(i2c);
 	if (ret) {
@@ -839,7 +853,7 @@
 	}
 
 	exynos5_i2c_init(i2c);
-	clk_disable_unprepare(i2c->clk);
+	clk_disable(i2c->clk);
 	i2c->suspended = 0;
 
 	return 0;
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 7ba795b..1c87077 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -75,6 +75,7 @@
 /* PCI DIDs for the Intel SMBus Message Transport (SMT) Devices */
 #define PCI_DEVICE_ID_INTEL_S1200_SMT0	0x0c59
 #define PCI_DEVICE_ID_INTEL_S1200_SMT1	0x0c5a
+#define PCI_DEVICE_ID_INTEL_DNV_SMT	0x19ac
 #define PCI_DEVICE_ID_INTEL_AVOTON_SMT	0x1f15
 
 #define ISMT_DESC_ENTRIES	2	/* number of descriptor entries */
@@ -180,6 +181,7 @@
 static const struct pci_device_id ismt_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT0) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT1) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMT) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMT) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 9096d17..3dcc5f3 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -855,6 +855,7 @@
 static const struct of_device_id rk3x_i2c_match[] = {
 	{ .compatible = "rockchip,rk3066-i2c", .data = (void *)&soc_data[0] },
 	{ .compatible = "rockchip,rk3188-i2c", .data = (void *)&soc_data[1] },
+	{ .compatible = "rockchip,rk3228-i2c", .data = (void *)&soc_data[2] },
 	{ .compatible = "rockchip,rk3288-i2c", .data = (void *)&soc_data[2] },
 	{},
 };
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index cb00d59..c2e257d 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -691,7 +691,8 @@
 			      NULL);
 
 		/* Coudn't find default GID location */
-		WARN_ON(ix < 0);
+		if (WARN_ON(ix < 0))
+			goto release;
 
 		zattr_type.gid_type = gid_type;
 
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 4a9aa04..7713ef0 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -48,6 +48,7 @@
 
 #include <asm/uaccess.h>
 
+#include <rdma/ib.h>
 #include <rdma/ib_cm.h>
 #include <rdma/ib_user_cm.h>
 #include <rdma/ib_marshall.h>
@@ -1103,6 +1104,9 @@
 	struct ib_ucm_cmd_hdr hdr;
 	ssize_t result;
 
+	if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+		return -EACCES;
+
 	if (len < sizeof(hdr))
 		return -EINVAL;
 
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index dd3bcce..c0f3826 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1574,6 +1574,9 @@
 	struct rdma_ucm_cmd_hdr hdr;
 	ssize_t ret;
 
+	if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+		return -EACCES;
+
 	if (len < sizeof(hdr))
 		return -EINVAL;
 
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 28ba2cc..31f422a 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -48,6 +48,8 @@
 
 #include <asm/uaccess.h>
 
+#include <rdma/ib.h>
+
 #include "uverbs.h"
 
 MODULE_AUTHOR("Roland Dreier");
@@ -709,6 +711,9 @@
 	int srcu_key;
 	ssize_t ret;
 
+	if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+		return -EACCES;
+
 	if (count < sizeof hdr)
 		return -EINVAL;
 
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 15b8adb..b65b354 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1860,6 +1860,7 @@
 void ib_drain_qp(struct ib_qp *qp)
 {
 	ib_drain_sq(qp);
-	ib_drain_rq(qp);
+	if (!qp->srq)
+		ib_drain_rq(qp);
 }
 EXPORT_SYMBOL(ib_drain_qp);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 42a7b89..3234a8b 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1390,6 +1390,8 @@
 	dev->ibdev.iwcm->add_ref = iwch_qp_add_ref;
 	dev->ibdev.iwcm->rem_ref = iwch_qp_rem_ref;
 	dev->ibdev.iwcm->get_qp = iwch_get_qp;
+	memcpy(dev->ibdev.iwcm->ifname, dev->rdev.t3cdev_p->lldev->name,
+	       sizeof(dev->ibdev.iwcm->ifname));
 
 	ret = ib_register_device(&dev->ibdev, NULL);
 	if (ret)
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index b4eeb78..b0b9557 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -162,7 +162,7 @@
 	cq->bar2_va = c4iw_bar2_addrs(rdev, cq->cqid, T4_BAR2_QTYPE_INGRESS,
 				      &cq->bar2_qid,
 				      user ? &cq->bar2_pa : NULL);
-	if (user && !cq->bar2_va) {
+	if (user && !cq->bar2_pa) {
 		pr_warn(MOD "%s: cqid %u not in BAR2 range.\n",
 			pci_name(rdev->lldi.pdev), cq->cqid);
 		ret = -EINVAL;
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 124682d..7574f394 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -580,6 +580,8 @@
 	dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref;
 	dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
 	dev->ibdev.iwcm->get_qp = c4iw_get_qp;
+	memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name,
+	       sizeof(dev->ibdev.iwcm->ifname));
 
 	ret = ib_register_device(&dev->ibdev, NULL);
 	if (ret)
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index e17fb5d5..e8993e4 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -185,6 +185,10 @@
 
 	if (pbar2_pa)
 		*pbar2_pa = (rdev->bar2_pa + bar2_qoffset) & PAGE_MASK;
+
+	if (is_t4(rdev->lldi.adapter_type))
+		return NULL;
+
 	return rdev->bar2_kva + bar2_qoffset;
 }
 
@@ -270,7 +274,7 @@
 	/*
 	 * User mode must have bar2 access.
 	 */
-	if (user && (!wq->sq.bar2_va || !wq->rq.bar2_va)) {
+	if (user && (!wq->sq.bar2_pa || !wq->rq.bar2_pa)) {
 		pr_warn(MOD "%s: sqid %u or rqid %u not in BAR2 range.\n",
 			pci_name(rdev->lldi.pdev), wq->sq.qid, wq->rq.qid);
 		goto free_dma;
@@ -1895,13 +1899,27 @@
 void c4iw_drain_sq(struct ib_qp *ibqp)
 {
 	struct c4iw_qp *qp = to_c4iw_qp(ibqp);
+	unsigned long flag;
+	bool need_to_wait;
 
-	wait_for_completion(&qp->sq_drained);
+	spin_lock_irqsave(&qp->lock, flag);
+	need_to_wait = !t4_sq_empty(&qp->wq);
+	spin_unlock_irqrestore(&qp->lock, flag);
+
+	if (need_to_wait)
+		wait_for_completion(&qp->sq_drained);
 }
 
 void c4iw_drain_rq(struct ib_qp *ibqp)
 {
 	struct c4iw_qp *qp = to_c4iw_qp(ibqp);
+	unsigned long flag;
+	bool need_to_wait;
 
-	wait_for_completion(&qp->rq_drained);
+	spin_lock_irqsave(&qp->lock, flag);
+	need_to_wait = !t4_rq_empty(&qp->wq);
+	spin_unlock_irqrestore(&qp->lock, flag);
+
+	if (need_to_wait)
+		wait_for_completion(&qp->rq_drained);
 }
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 3ff663c..4cb81f6 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -530,7 +530,7 @@
 		     sizeof(struct mlx5_wqe_ctrl_seg)) /
 		     sizeof(struct mlx5_wqe_data_seg);
 	props->max_sge = min(max_rq_sg, max_sq_sg);
-	props->max_sge_rd = props->max_sge;
+	props->max_sge_rd	   = MLX5_MAX_SGE_RD;
 	props->max_cq		   = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
 	props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1;
 	props->max_mr		   = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 99cef26..77630ca 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -498,9 +498,6 @@
 	 *		skb_shinfo(skb)->nr_frags, skb_is_gso(skb));
 	 */
 
-	if (!netif_carrier_ok(netdev))
-		return NETDEV_TX_OK;
-
 	if (netif_queue_stopped(netdev))
 		return NETDEV_TX_BUSY;
 
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index e449e39..24f4a78 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -45,6 +45,8 @@
 #include <linux/export.h>
 #include <linux/uio.h>
 
+#include <rdma/ib.h>
+
 #include "qib.h"
 #include "qib_common.h"
 #include "qib_user_sdma.h"
@@ -2067,6 +2069,9 @@
 	ssize_t ret = 0;
 	void *dest;
 
+	if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+		return -EACCES;
+
 	if (count < sizeof(cmd.type)) {
 		ret = -EINVAL;
 		goto bail;
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index bd82a69..a9e3bcc 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1637,9 +1637,9 @@
 	spin_unlock_irqrestore(&qp->s_hlock, flags);
 	if (nreq) {
 		if (call_send)
-			rdi->driver_f.schedule_send_no_lock(qp);
-		else
 			rdi->driver_f.do_send(qp);
+		else
+			rdi->driver_f.schedule_send_no_lock(qp);
 	}
 	return err;
 }
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 194580f..14d3b37 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -284,6 +284,8 @@
 	 * go away inside make_request
 	 */
 	sectors = bio_sectors(bio);
+	/* bio could be mergeable after passing to underlayer */
+	bio->bi_rw &= ~REQ_NOMERGE;
 	mddev->pers->make_request(mddev, bio);
 
 	cpu = part_stat_lock();
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 2ea12c6..34783a3 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -70,7 +70,6 @@
 			(unsigned long long)zone_size>>1);
 		zone_start = conf->strip_zone[j].zone_end;
 	}
-	printk(KERN_INFO "\n");
 }
 
 static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
@@ -85,6 +84,7 @@
 	struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
 	unsigned short blksize = 512;
 
+	*private_conf = ERR_PTR(-ENOMEM);
 	if (!conf)
 		return -ENOMEM;
 	rdev_for_each(rdev1, mddev) {
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 8ab8b65..e48c262c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3502,8 +3502,6 @@
 				dev = &sh->dev[i];
 			} else if (test_bit(R5_Discard, &dev->flags))
 				discard_pending = 1;
-			WARN_ON(test_bit(R5_SkipCopy, &dev->flags));
-			WARN_ON(dev->page != dev->orig_page);
 		}
 
 	r5l_stripe_write_finished(sh);
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index 12f5ebb..ad2f3d2 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -1452,13 +1452,6 @@
 	printk(KERN_INFO "%s: %s found\n", __func__,
 				usbvision_device_data[model].model_string);
 
-	/*
-	 * this is a security check.
-	 * an exploit using an incorrect bInterfaceNumber is known
-	 */
-	if (ifnum >= USB_MAXINTERFACES || !dev->actconfig->interface[ifnum])
-		return -ENODEV;
-
 	if (usbvision_device_data[model].interface >= 0)
 		interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0];
 	else if (ifnum < dev->actconfig->desc.bNumInterfaces)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 5d016f4..9fbcb67 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1645,7 +1645,7 @@
  * Will sleep if required for nonblocking == false.
  */
 static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
-				int nonblocking)
+			     void *pb, int nonblocking)
 {
 	unsigned long flags;
 	int ret;
@@ -1666,10 +1666,10 @@
 	/*
 	 * Only remove the buffer from done_list if v4l2_buffer can handle all
 	 * the planes.
-	 * Verifying planes is NOT necessary since it already has been checked
-	 * before the buffer is queued/prepared. So it can never fail.
 	 */
-	list_del(&(*vb)->done_entry);
+	ret = call_bufop(q, verify_planes_array, *vb, pb);
+	if (!ret)
+		list_del(&(*vb)->done_entry);
 	spin_unlock_irqrestore(&q->done_lock, flags);
 
 	return ret;
@@ -1748,7 +1748,7 @@
 	struct vb2_buffer *vb = NULL;
 	int ret;
 
-	ret = __vb2_get_done_vb(q, &vb, nonblocking);
+	ret = __vb2_get_done_vb(q, &vb, pb, nonblocking);
 	if (ret < 0)
 		return ret;
 
@@ -2298,6 +2298,16 @@
 		return POLLERR;
 
 	/*
+	 * If this quirk is set and QBUF hasn't been called yet then
+	 * return POLLERR as well. This only affects capture queues, output
+	 * queues will always initialize waiting_for_buffers to false.
+	 * This quirk is set by V4L2 for backwards compatibility reasons.
+	 */
+	if (q->quirk_poll_must_check_waiting_for_buffers &&
+	    q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM)))
+		return POLLERR;
+
+	/*
 	 * For output streams you can call write() as long as there are fewer
 	 * buffers queued than there are buffers available.
 	 */
diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c
index dbec592..3c3b517 100644
--- a/drivers/media/v4l2-core/videobuf2-memops.c
+++ b/drivers/media/v4l2-core/videobuf2-memops.c
@@ -49,7 +49,7 @@
 	vec = frame_vector_create(nr);
 	if (!vec)
 		return ERR_PTR(-ENOMEM);
-	ret = get_vaddr_frames(start, nr, write, 1, vec);
+	ret = get_vaddr_frames(start & PAGE_MASK, nr, write, true, vec);
 	if (ret < 0)
 		goto out_destroy;
 	/* We accept only complete set of PFNs */
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 91f5521..7f366f1 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -74,6 +74,11 @@
 	return 0;
 }
 
+static int __verify_planes_array_core(struct vb2_buffer *vb, const void *pb)
+{
+	return __verify_planes_array(vb, pb);
+}
+
 /**
  * __verify_length() - Verify that the bytesused value for each plane fits in
  * the plane length and that the data offset doesn't exceed the bytesused value.
@@ -437,6 +442,7 @@
 }
 
 static const struct vb2_buf_ops v4l2_buf_ops = {
+	.verify_planes_array	= __verify_planes_array_core,
 	.fill_user_buffer	= __fill_v4l2_buffer,
 	.fill_vb2_buffer	= __fill_vb2_buffer,
 	.copy_timestamp		= __copy_timestamp,
@@ -765,6 +771,12 @@
 	q->is_output = V4L2_TYPE_IS_OUTPUT(q->type);
 	q->copy_timestamp = (q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK)
 			== V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	/*
+	 * For compatibility with vb1: if QBUF hasn't been called yet, then
+	 * return POLLERR as well. This only affects capture queues, output
+	 * queues will always initialize waiting_for_buffers to false.
+	 */
+	q->quirk_poll_must_check_waiting_for_buffers = true;
 
 	return vb2_core_queue_init(q);
 }
@@ -818,14 +830,6 @@
 			poll_wait(file, &fh->wait, wait);
 	}
 
-	/*
-	 * For compatibility with vb1: if QBUF hasn't been called yet, then
-	 * return POLLERR as well. This only affects capture queues, output
-	 * queues will always initialize waiting_for_buffers to false.
-	 */
-	if (q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM)))
-		return POLLERR;
-
 	return res | vb2_core_poll(q, file, wait);
 }
 EXPORT_SYMBOL_GPL(vb2_poll);
diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c
index 10370f2..7edea9c 100644
--- a/drivers/misc/cxl/context.c
+++ b/drivers/misc/cxl/context.c
@@ -223,6 +223,13 @@
 		cxl_ops->link_ok(ctx->afu->adapter, ctx->afu));
 	flush_work(&ctx->fault_work); /* Only needed for dedicated process */
 
+	/*
+	 * Wait until no further interrupts are presented by the PSL
+	 * for this context.
+	 */
+	if (cxl_ops->irq_wait)
+		cxl_ops->irq_wait(ctx);
+
 	/* release the reference to the group leader and mm handling pid */
 	put_pid(ctx->pid);
 	put_pid(ctx->glpid);
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h
index 38e21cf..73dc2a3 100644
--- a/drivers/misc/cxl/cxl.h
+++ b/drivers/misc/cxl/cxl.h
@@ -274,6 +274,7 @@
 #define CXL_PSL_DSISR_An_PE (1ull << (63-4))  /* PSL Error (implementation specific) */
 #define CXL_PSL_DSISR_An_AE (1ull << (63-5))  /* AFU Error */
 #define CXL_PSL_DSISR_An_OC (1ull << (63-6))  /* OS Context Warning */
+#define CXL_PSL_DSISR_PENDING (CXL_PSL_DSISR_TRANS | CXL_PSL_DSISR_An_PE | CXL_PSL_DSISR_An_AE | CXL_PSL_DSISR_An_OC)
 /* NOTE: Bits 32:63 are undefined if DSISR[DS] = 1 */
 #define CXL_PSL_DSISR_An_M  DSISR_NOHPTE      /* PTE not found */
 #define CXL_PSL_DSISR_An_P  DSISR_PROTFAULT   /* Storage protection violation */
@@ -855,6 +856,7 @@
 					u64 dsisr, u64 errstat);
 	irqreturn_t (*psl_interrupt)(int irq, void *data);
 	int (*ack_irq)(struct cxl_context *ctx, u64 tfc, u64 psl_reset_mask);
+	void (*irq_wait)(struct cxl_context *ctx);
 	int (*attach_process)(struct cxl_context *ctx, bool kernel,
 			u64 wed, u64 amr);
 	int (*detach_process)(struct cxl_context *ctx);
diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index be646dc..8def455 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -203,7 +203,6 @@
 void cxl_unmap_irq(unsigned int virq, void *cookie)
 {
 	free_irq(virq, cookie);
-	irq_dispose_mapping(virq);
 }
 
 int cxl_register_one_irq(struct cxl *adapter,
diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c
index 387fcbd..ecf7557 100644
--- a/drivers/misc/cxl/native.c
+++ b/drivers/misc/cxl/native.c
@@ -14,6 +14,7 @@
 #include <linux/mutex.h>
 #include <linux/mm.h>
 #include <linux/uaccess.h>
+#include <linux/delay.h>
 #include <asm/synch.h>
 #include <misc/cxl-base.h>
 
@@ -797,6 +798,35 @@
 	return fail_psl_irq(afu, &irq_info);
 }
 
+void native_irq_wait(struct cxl_context *ctx)
+{
+	u64 dsisr;
+	int timeout = 1000;
+	int ph;
+
+	/*
+	 * Wait until no further interrupts are presented by the PSL
+	 * for this context.
+	 */
+	while (timeout--) {
+		ph = cxl_p2n_read(ctx->afu, CXL_PSL_PEHandle_An) & 0xffff;
+		if (ph != ctx->pe)
+			return;
+		dsisr = cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An);
+		if ((dsisr & CXL_PSL_DSISR_PENDING) == 0)
+			return;
+		/*
+		 * We are waiting for the workqueue to process our
+		 * irq, so need to let that run here.
+		 */
+		msleep(1);
+	}
+
+	dev_warn(&ctx->afu->dev, "WARNING: waiting on DSI for PE %i"
+		 " DSISR %016llx!\n", ph, dsisr);
+	return;
+}
+
 static irqreturn_t native_slice_irq_err(int irq, void *data)
 {
 	struct cxl_afu *afu = data;
@@ -1076,6 +1106,7 @@
 	.handle_psl_slice_error = native_handle_psl_slice_error,
 	.psl_interrupt = NULL,
 	.ack_irq = native_ack_irq,
+	.irq_wait = native_irq_wait,
 	.attach_process = native_attach_process,
 	.detach_process = native_detach_process,
 	.support_attributes = native_support_attributes,
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 04feea8..e657af0 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -97,6 +97,7 @@
 config MMC_SDHCI_ACPI
 	tristate "SDHCI support for ACPI enumerated SDHCI controllers"
 	depends on MMC_SDHCI && ACPI
+	select IOSF_MBI if X86
 	help
 	  This selects support for ACPI enumerated SDHCI controllers,
 	  identified by ACPI Compatibility ID PNP0D40 or specific
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 6839e41..bed6a49 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -41,6 +41,11 @@
 #include <linux/mmc/pm.h>
 #include <linux/mmc/slot-gpio.h>
 
+#ifdef CONFIG_X86
+#include <asm/cpu_device_id.h>
+#include <asm/iosf_mbi.h>
+#endif
+
 #include "sdhci.h"
 
 enum {
@@ -116,6 +121,75 @@
 	.ops = &sdhci_acpi_ops_int,
 };
 
+#ifdef CONFIG_X86
+
+static bool sdhci_acpi_byt(void)
+{
+	static const struct x86_cpu_id byt[] = {
+		{ X86_VENDOR_INTEL, 6, 0x37 },
+		{}
+	};
+
+	return x86_match_cpu(byt);
+}
+
+#define BYT_IOSF_SCCEP			0x63
+#define BYT_IOSF_OCP_NETCTRL0		0x1078
+#define BYT_IOSF_OCP_TIMEOUT_BASE	GENMASK(10, 8)
+
+static void sdhci_acpi_byt_setting(struct device *dev)
+{
+	u32 val = 0;
+
+	if (!sdhci_acpi_byt())
+		return;
+
+	if (iosf_mbi_read(BYT_IOSF_SCCEP, MBI_CR_READ, BYT_IOSF_OCP_NETCTRL0,
+			  &val)) {
+		dev_err(dev, "%s read error\n", __func__);
+		return;
+	}
+
+	if (!(val & BYT_IOSF_OCP_TIMEOUT_BASE))
+		return;
+
+	val &= ~BYT_IOSF_OCP_TIMEOUT_BASE;
+
+	if (iosf_mbi_write(BYT_IOSF_SCCEP, MBI_CR_WRITE, BYT_IOSF_OCP_NETCTRL0,
+			   val)) {
+		dev_err(dev, "%s write error\n", __func__);
+		return;
+	}
+
+	dev_dbg(dev, "%s completed\n", __func__);
+}
+
+static bool sdhci_acpi_byt_defer(struct device *dev)
+{
+	if (!sdhci_acpi_byt())
+		return false;
+
+	if (!iosf_mbi_available())
+		return true;
+
+	sdhci_acpi_byt_setting(dev);
+
+	return false;
+}
+
+#else
+
+static inline void sdhci_acpi_byt_setting(struct device *dev)
+{
+}
+
+static inline bool sdhci_acpi_byt_defer(struct device *dev)
+{
+	return false;
+}
+
+#endif
+
 static int bxt_get_cd(struct mmc_host *mmc)
 {
 	int gpio_cd = mmc_gpio_get_cd(mmc);
@@ -322,6 +396,9 @@
 	if (acpi_bus_get_status(device) || !device->status.present)
 		return -ENODEV;
 
+	if (sdhci_acpi_byt_defer(dev))
+		return -EPROBE_DEFER;
+
 	hid = acpi_device_hid(device);
 	uid = device->pnp.unique_id;
 
@@ -447,6 +524,8 @@
 {
 	struct sdhci_acpi_host *c = dev_get_drvdata(dev);
 
+	sdhci_acpi_byt_setting(&c->pdev->dev);
+
 	return sdhci_resume_host(c->host);
 }
 
@@ -470,6 +549,8 @@
 {
 	struct sdhci_acpi_host *c = dev_get_drvdata(dev);
 
+	sdhci_acpi_byt_setting(&c->pdev->dev);
+
 	return sdhci_runtime_resume_host(c->host);
 }
 
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 8372a41..7fc8b7a 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1129,6 +1129,11 @@
 				  MMC_CAP_1_8V_DDR |
 				  MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ;
 
+	/* TODO MMC DDR is not working on A80 */
+	if (of_device_is_compatible(pdev->dev.of_node,
+				    "allwinner,sun9i-a80-mmc"))
+		mmc->caps &= ~MMC_CAP_1_8V_DDR;
+
 	ret = mmc_of_parse(mmc);
 	if (ret)
 		goto error_free_dma;
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 61150af..470cfc7 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2202,7 +2202,7 @@
 			       struct net_device *bridge)
 {
 	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-	int i, err;
+	int i, err = 0;
 
 	mutex_lock(&ps->smi_mutex);
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 4645c44..1199c2b 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -588,12 +588,30 @@
 	struct page *page;
 	dma_addr_t mapping;
 	u16 sw_prod = rxr->rx_sw_agg_prod;
+	unsigned int offset = 0;
 
-	page = alloc_page(gfp);
-	if (!page)
-		return -ENOMEM;
+	if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) {
+		page = rxr->rx_page;
+		if (!page) {
+			page = alloc_page(gfp);
+			if (!page)
+				return -ENOMEM;
+			rxr->rx_page = page;
+			rxr->rx_page_offset = 0;
+		}
+		offset = rxr->rx_page_offset;
+		rxr->rx_page_offset += BNXT_RX_PAGE_SIZE;
+		if (rxr->rx_page_offset == PAGE_SIZE)
+			rxr->rx_page = NULL;
+		else
+			get_page(page);
+	} else {
+		page = alloc_page(gfp);
+		if (!page)
+			return -ENOMEM;
+	}
 
-	mapping = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE,
+	mapping = dma_map_page(&pdev->dev, page, offset, BNXT_RX_PAGE_SIZE,
 			       PCI_DMA_FROMDEVICE);
 	if (dma_mapping_error(&pdev->dev, mapping)) {
 		__free_page(page);
@@ -608,6 +626,7 @@
 	rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod);
 
 	rx_agg_buf->page = page;
+	rx_agg_buf->offset = offset;
 	rx_agg_buf->mapping = mapping;
 	rxbd->rx_bd_haddr = cpu_to_le64(mapping);
 	rxbd->rx_bd_opaque = sw_prod;
@@ -649,6 +668,7 @@
 		page = cons_rx_buf->page;
 		cons_rx_buf->page = NULL;
 		prod_rx_buf->page = page;
+		prod_rx_buf->offset = cons_rx_buf->offset;
 
 		prod_rx_buf->mapping = cons_rx_buf->mapping;
 
@@ -716,7 +736,8 @@
 			    RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT;
 
 		cons_rx_buf = &rxr->rx_agg_ring[cons];
-		skb_fill_page_desc(skb, i, cons_rx_buf->page, 0, frag_len);
+		skb_fill_page_desc(skb, i, cons_rx_buf->page,
+				   cons_rx_buf->offset, frag_len);
 		__clear_bit(cons, rxr->rx_agg_bmap);
 
 		/* It is possible for bnxt_alloc_rx_page() to allocate
@@ -747,7 +768,7 @@
 			return NULL;
 		}
 
-		dma_unmap_page(&pdev->dev, mapping, PAGE_SIZE,
+		dma_unmap_page(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE,
 			       PCI_DMA_FROMDEVICE);
 
 		skb->data_len += frag_len;
@@ -1635,13 +1656,17 @@
 
 			dma_unmap_page(&pdev->dev,
 				       dma_unmap_addr(rx_agg_buf, mapping),
-				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
+				       BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE);
 
 			rx_agg_buf->page = NULL;
 			__clear_bit(j, rxr->rx_agg_bmap);
 
 			__free_page(page);
 		}
+		if (rxr->rx_page) {
+			__free_page(rxr->rx_page);
+			rxr->rx_page = NULL;
+		}
 	}
 }
 
@@ -2024,7 +2049,7 @@
 	if (!(bp->flags & BNXT_FLAG_AGG_RINGS))
 		return 0;
 
-	type = ((u32)PAGE_SIZE << RX_BD_LEN_SHIFT) |
+	type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) |
 		RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP;
 
 	bnxt_init_rxbd_pages(ring, type);
@@ -2215,7 +2240,7 @@
 	bp->rx_agg_nr_pages = 0;
 
 	if (bp->flags & BNXT_FLAG_TPA)
-		agg_factor = 4;
+		agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE);
 
 	bp->flags &= ~BNXT_FLAG_JUMBO;
 	if (rx_space > PAGE_SIZE) {
@@ -3076,12 +3101,12 @@
 		/* Number of segs are log2 units, and first packet is not
 		 * included as part of this units.
 		 */
-		if (mss <= PAGE_SIZE) {
-			n = PAGE_SIZE / mss;
+		if (mss <= BNXT_RX_PAGE_SIZE) {
+			n = BNXT_RX_PAGE_SIZE / mss;
 			nsegs = (MAX_SKB_FRAGS - 1) * n;
 		} else {
-			n = mss / PAGE_SIZE;
-			if (mss & (PAGE_SIZE - 1))
+			n = mss / BNXT_RX_PAGE_SIZE;
+			if (mss & (BNXT_RX_PAGE_SIZE - 1))
 				n++;
 			nsegs = (MAX_SKB_FRAGS - n) / n;
 		}
@@ -4367,7 +4392,7 @@
 	if (bp->flags & BNXT_FLAG_MSIX_CAP)
 		rc = bnxt_setup_msix(bp);
 
-	if (!(bp->flags & BNXT_FLAG_USING_MSIX)) {
+	if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) {
 		/* fallback to INTA */
 		rc = bnxt_setup_inta(bp);
 	}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 26dac2f..6289635 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -407,6 +407,15 @@
 
 #define BNXT_PAGE_SIZE	(1 << BNXT_PAGE_SHIFT)
 
+/* The RXBD length is 16-bit so we can only support page sizes < 64K */
+#if (PAGE_SHIFT > 15)
+#define BNXT_RX_PAGE_SHIFT 15
+#else
+#define BNXT_RX_PAGE_SHIFT PAGE_SHIFT
+#endif
+
+#define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT)
+
 #define BNXT_MIN_PKT_SIZE	45
 
 #define BNXT_NUM_TESTS(bp)	0
@@ -506,6 +515,7 @@
 
 struct bnxt_sw_rx_agg_bd {
 	struct page		*page;
+	unsigned int		offset;
 	dma_addr_t		mapping;
 };
 
@@ -586,6 +596,9 @@
 	unsigned long		*rx_agg_bmap;
 	u16			rx_agg_bmap_size;
 
+	struct page		*rx_page;
+	unsigned int		rx_page_offset;
+
 	dma_addr_t		rx_desc_mapping[MAX_RX_PAGES];
 	dma_addr_t		rx_agg_desc_mapping[MAX_RX_AGG_PAGES];
 
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index eec3200..cb07d95 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -440,7 +440,7 @@
 	snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
 		 bp->pdev->name, bp->pdev->id);
 	bp->mii_bus->priv = bp;
-	bp->mii_bus->parent = &bp->dev->dev;
+	bp->mii_bus->parent = &bp->pdev->dev;
 	pdata = dev_get_platdata(&bp->pdev->dev);
 
 	dev_set_drvdata(&bp->dev->dev, bp->mii_bus);
@@ -458,7 +458,8 @@
 				struct phy_device *phydev;
 
 				phydev = mdiobus_scan(bp->mii_bus, i);
-				if (IS_ERR(phydev)) {
+				if (IS_ERR(phydev) &&
+				    PTR_ERR(phydev) != -ENODEV) {
 					err = PTR_ERR(phydev);
 					break;
 				}
@@ -3005,29 +3006,36 @@
 	if (err)
 		goto err_out_free_netdev;
 
+	err = macb_mii_init(bp);
+	if (err)
+		goto err_out_free_netdev;
+
+	phydev = bp->phy_dev;
+
+	netif_carrier_off(dev);
+
 	err = register_netdev(dev);
 	if (err) {
 		dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
-		goto err_out_unregister_netdev;
+		goto err_out_unregister_mdio;
 	}
 
-	err = macb_mii_init(bp);
-	if (err)
-		goto err_out_unregister_netdev;
-
-	netif_carrier_off(dev);
+	phy_attached_info(phydev);
 
 	netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n",
 		    macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID),
 		    dev->base_addr, dev->irq, dev->dev_addr);
 
-	phydev = bp->phy_dev;
-	phy_attached_info(phydev);
-
 	return 0;
 
-err_out_unregister_netdev:
-	unregister_netdev(dev);
+err_out_unregister_mdio:
+	phy_disconnect(bp->phy_dev);
+	mdiobus_unregister(bp->mii_bus);
+	mdiobus_free(bp->mii_bus);
+
+	/* Shutdown the PHY if there is a GPIO reset */
+	if (bp->reset_gpio)
+		gpiod_set_value(bp->reset_gpio, 0);
 
 err_out_free_netdev:
 	free_netdev(dev);
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 60908ea..43da891 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -576,7 +576,7 @@
 	unsigned int nq0 = adap2pinfo(adap, 0)->nqsets;
 	unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1;
 	u8 cpus[SGE_QSETS + 1];
-	u16 rspq_map[RSS_TABLE_SIZE];
+	u16 rspq_map[RSS_TABLE_SIZE + 1];
 
 	for (i = 0; i < SGE_QSETS; ++i)
 		cpus[i] = i;
@@ -586,6 +586,7 @@
 		rspq_map[i] = i % nq0;
 		rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0;
 	}
+	rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */
 
 	t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN |
 		      F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN |
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 7fc4902..a6d26d3 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3354,8 +3354,7 @@
 		/* Enable per-CPU interrupts on the CPU that is
 		 * brought up.
 		 */
-		smp_call_function_single(cpu, mvneta_percpu_enable,
-					 pp, true);
+		mvneta_percpu_enable(pp);
 
 		/* Enable per-CPU interrupt on the one CPU we care
 		 * about.
@@ -3387,8 +3386,7 @@
 		/* Disable per-CPU interrupts on the CPU that is
 		 * brought down.
 		 */
-		smp_call_function_single(cpu, mvneta_percpu_disable,
-					 pp, true);
+		mvneta_percpu_disable(pp);
 
 		break;
 	case CPU_DEAD:
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 7ace07d..c442f6a 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -979,6 +979,8 @@
 		return 0;
 
 	pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr);
+	if (IS_ERR(pep->phy))
+		return PTR_ERR(pep->phy);
 	if (!pep->phy)
 		return -ENODEV;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 1cf722e..559d11a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -14,6 +14,7 @@
 	bool "Mellanox Technologies ConnectX-4 Ethernet support"
 	depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE
 	select PTP_1588_CLOCK
+	select VXLAN if MLX5_CORE=y
 	default n
 	---help---
 	  Ethernet support in Mellanox Technologies ConnectX-4 NIC.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 34523c4..bfa5daa 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -525,6 +525,7 @@
 	struct mlx5e_vxlan_db      vxlan;
 
 	struct mlx5e_params        params;
+	struct workqueue_struct    *wq;
 	struct work_struct         update_carrier_work;
 	struct work_struct         set_rx_mode_work;
 	struct delayed_work        update_stats_work;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 4ccfc1a..7dfb73a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -231,9 +231,8 @@
 	mutex_lock(&priv->state_lock);
 	if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 		mlx5e_update_stats(priv);
-		schedule_delayed_work(dwork,
-				      msecs_to_jiffies(
-					      MLX5E_UPDATE_STATS_INTERVAL));
+		queue_delayed_work(priv->wq, dwork,
+				   msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL));
 	}
 	mutex_unlock(&priv->state_lock);
 }
@@ -249,7 +248,7 @@
 	switch (event) {
 	case MLX5_DEV_EVENT_PORT_UP:
 	case MLX5_DEV_EVENT_PORT_DOWN:
-		schedule_work(&priv->update_carrier_work);
+		queue_work(priv->wq, &priv->update_carrier_work);
 		break;
 
 	default:
@@ -1695,7 +1694,7 @@
 	priv->netdev->rx_cpu_rmap = priv->mdev->rmap;
 #endif
 
-	schedule_delayed_work(&priv->update_stats_work, 0);
+	queue_delayed_work(priv->wq, &priv->update_stats_work, 0);
 
 	return 0;
 
@@ -2202,7 +2201,7 @@
 {
 	struct mlx5e_priv *priv = netdev_priv(dev);
 
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 }
 
 static int mlx5e_set_mac(struct net_device *netdev, void *addr)
@@ -2217,7 +2216,7 @@
 	ether_addr_copy(netdev->dev_addr, saddr->sa_data);
 	netif_addr_unlock_bh(netdev);
 
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 
 	return 0;
 }
@@ -2503,7 +2502,7 @@
 	if (!mlx5e_vxlan_allowed(priv->mdev))
 		return;
 
-	mlx5e_vxlan_add_port(priv, be16_to_cpu(port));
+	mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 1);
 }
 
 static void mlx5e_del_vxlan_port(struct net_device *netdev,
@@ -2514,7 +2513,7 @@
 	if (!mlx5e_vxlan_allowed(priv->mdev))
 		return;
 
-	mlx5e_vxlan_del_port(priv, be16_to_cpu(port));
+	mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 0);
 }
 
 static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv,
@@ -2947,10 +2946,14 @@
 
 	priv = netdev_priv(netdev);
 
+	priv->wq = create_singlethread_workqueue("mlx5e");
+	if (!priv->wq)
+		goto err_free_netdev;
+
 	err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false);
 	if (err) {
 		mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err);
-		goto err_free_netdev;
+		goto err_destroy_wq;
 	}
 
 	err = mlx5_core_alloc_pd(mdev, &priv->pdn);
@@ -3034,7 +3037,7 @@
 	}
 
 	mlx5e_enable_async_events(priv);
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 
 	return priv;
 
@@ -3072,6 +3075,9 @@
 err_unmap_free_uar:
 	mlx5_unmap_free_uar(mdev, &priv->cq_uar);
 
+err_destroy_wq:
+	destroy_workqueue(priv->wq);
+
 err_free_netdev:
 	free_netdev(netdev);
 
@@ -3085,9 +3091,9 @@
 
 	set_bit(MLX5E_STATE_DESTROYING, &priv->state);
 
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 	mlx5e_disable_async_events(priv);
-	flush_scheduled_work();
+	flush_workqueue(priv->wq);
 	if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) {
 		netif_device_detach(netdev);
 		mutex_lock(&priv->state_lock);
@@ -3111,6 +3117,8 @@
 	mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn);
 	mlx5_core_dealloc_pd(priv->mdev, priv->pdn);
 	mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar);
+	cancel_delayed_work_sync(&priv->update_stats_work);
+	destroy_workqueue(priv->wq);
 
 	if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state))
 		free_netdev(netdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 8ba080e..5ff8af4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -269,8 +269,10 @@
 
 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar)
 {
-	iounmap(uar->map);
-	iounmap(uar->bf_map);
+	if (uar->map)
+		iounmap(uar->map);
+	else
+		iounmap(uar->bf_map);
 	mlx5_cmd_free_uar(mdev, uar->index);
 }
 EXPORT_SYMBOL(mlx5_unmap_free_uar);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c
index 9f10df2..f2fd1ef 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c
@@ -95,21 +95,22 @@
 	return vxlan;
 }
 
-int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port)
+static void mlx5e_vxlan_add_port(struct work_struct *work)
 {
+	struct mlx5e_vxlan_work *vxlan_work =
+		container_of(work, struct mlx5e_vxlan_work, work);
+	struct mlx5e_priv *priv = vxlan_work->priv;
 	struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+	u16 port = vxlan_work->port;
 	struct mlx5e_vxlan *vxlan;
 	int err;
 
-	err = mlx5e_vxlan_core_add_port_cmd(priv->mdev, port);
-	if (err)
-		return err;
+	if (mlx5e_vxlan_core_add_port_cmd(priv->mdev, port))
+		goto free_work;
 
 	vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL);
-	if (!vxlan) {
-		err = -ENOMEM;
+	if (!vxlan)
 		goto err_delete_port;
-	}
 
 	vxlan->udp_port = port;
 
@@ -119,13 +120,14 @@
 	if (err)
 		goto err_free;
 
-	return 0;
+	goto free_work;
 
 err_free:
 	kfree(vxlan);
 err_delete_port:
 	mlx5e_vxlan_core_del_port_cmd(priv->mdev, port);
-	return err;
+free_work:
+	kfree(vxlan_work);
 }
 
 static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port)
@@ -145,12 +147,36 @@
 	kfree(vxlan);
 }
 
-void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port)
+static void mlx5e_vxlan_del_port(struct work_struct *work)
 {
-	if (!mlx5e_vxlan_lookup_port(priv, port))
-		return;
+	struct mlx5e_vxlan_work *vxlan_work =
+		container_of(work, struct mlx5e_vxlan_work, work);
+	struct mlx5e_priv *priv = vxlan_work->priv;
+	u16 port = vxlan_work->port;
 
 	__mlx5e_vxlan_core_del_port(priv, port);
+
+	kfree(vxlan_work);
+}
+
+void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family,
+			    u16 port, int add)
+{
+	struct mlx5e_vxlan_work *vxlan_work;
+
+	vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC);
+	if (!vxlan_work)
+		return;
+
+	if (add)
+		INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_port);
+	else
+		INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_port);
+
+	vxlan_work->priv = priv;
+	vxlan_work->port = port;
+	vxlan_work->sa_family = sa_family;
+	queue_work(priv->wq, &vxlan_work->work);
 }
 
 void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h
index a016850..129f352 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h
@@ -39,6 +39,13 @@
 	u16 udp_port;
 };
 
+struct mlx5e_vxlan_work {
+	struct work_struct	work;
+	struct mlx5e_priv	*priv;
+	sa_family_t		sa_family;
+	u16			port;
+};
+
 static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev)
 {
 	return (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) &&
@@ -46,8 +53,8 @@
 }
 
 void mlx5e_vxlan_init(struct mlx5e_priv *priv);
-int  mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port);
-void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port);
+void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family,
+			    u16 port, int add);
 struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port);
 void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv);
 
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 270c9ee..6d1a956 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -2668,9 +2668,9 @@
 
 	del_timer_sync(&mgp->watchdog_timer);
 	mgp->running = MYRI10GE_ETH_STOPPING;
-	local_bh_disable(); /* myri10ge_ss_lock_napi needs bh disabled */
 	for (i = 0; i < mgp->num_slices; i++) {
 		napi_disable(&mgp->ss[i].napi);
+		local_bh_disable(); /* myri10ge_ss_lock_napi needs this */
 		/* Lock the slice to prevent the busy_poll handler from
 		 * accessing it.  Later when we bring the NIC up, myri10ge_open
 		 * resets the slice including this lock.
@@ -2679,8 +2679,8 @@
 			pr_info("Slice %d locked\n", i);
 			mdelay(1);
 		}
+		local_bh_enable();
 	}
-	local_bh_enable();
 	netif_carrier_off(dev);
 
 	netif_tx_stop_all_queues(dev);
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 98d33d4..1681084 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1920,6 +1920,10 @@
 		return 0;
 	}
 
+	if (nic_data->datapath_caps &
+	    1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN)
+		return -EOPNOTSUPP;
+
 	MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
 		       nic_data->vport_id);
 	MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type);
@@ -2923,9 +2927,16 @@
 				      bool replacing)
 {
 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
+	u32 flags = spec->flags;
 
 	memset(inbuf, 0, MC_CMD_FILTER_OP_IN_LEN);
 
+	/* Remove RSS flag if we don't have an RSS context. */
+	if (flags & EFX_FILTER_FLAG_RX_RSS &&
+	    spec->rss_context == EFX_FILTER_RSS_CONTEXT_DEFAULT &&
+	    nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID)
+		flags &= ~EFX_FILTER_FLAG_RX_RSS;
+
 	if (replacing) {
 		MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP,
 			       MC_CMD_FILTER_OP_IN_OP_REPLACE);
@@ -2985,10 +2996,10 @@
 		       spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ?
 		       0 : spec->dmaq_id);
 	MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE,
-		       (spec->flags & EFX_FILTER_FLAG_RX_RSS) ?
+		       (flags & EFX_FILTER_FLAG_RX_RSS) ?
 		       MC_CMD_FILTER_OP_IN_RX_MODE_RSS :
 		       MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE);
-	if (spec->flags & EFX_FILTER_FLAG_RX_RSS)
+	if (flags & EFX_FILTER_FLAG_RX_RSS)
 		MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT,
 			       spec->rss_context !=
 			       EFX_FILTER_RSS_CONTEXT_DEFAULT ?
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 0fa75a8..68577ee 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -367,7 +367,6 @@
 	spinlock_t			lock;
 	struct platform_device		*pdev;
 	struct net_device		*ndev;
-	struct device_node		*phy_node;
 	struct napi_struct		napi_rx;
 	struct napi_struct		napi_tx;
 	struct device			*dev;
@@ -1142,25 +1141,34 @@
 		cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast,
 				   1 << slave_port, 0, 0, ALE_MCAST_FWD_2);
 
-	if (priv->phy_node)
-		slave->phy = of_phy_connect(priv->ndev, priv->phy_node,
+	if (slave->data->phy_node) {
+		slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node,
 				 &cpsw_adjust_link, 0, slave->data->phy_if);
-	else
+		if (!slave->phy) {
+			dev_err(priv->dev, "phy \"%s\" not found on slave %d\n",
+				slave->data->phy_node->full_name,
+				slave->slave_num);
+			return;
+		}
+	} else {
 		slave->phy = phy_connect(priv->ndev, slave->data->phy_id,
 				 &cpsw_adjust_link, slave->data->phy_if);
-	if (IS_ERR(slave->phy)) {
-		dev_err(priv->dev, "phy %s not found on slave %d\n",
-			slave->data->phy_id, slave->slave_num);
-		slave->phy = NULL;
-	} else {
-		phy_attached_info(slave->phy);
-
-		phy_start(slave->phy);
-
-		/* Configure GMII_SEL register */
-		cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface,
-			     slave->slave_num);
+		if (IS_ERR(slave->phy)) {
+			dev_err(priv->dev,
+				"phy \"%s\" not found on slave %d, err %ld\n",
+				slave->data->phy_id, slave->slave_num,
+				PTR_ERR(slave->phy));
+			slave->phy = NULL;
+			return;
+		}
 	}
+
+	phy_attached_info(slave->phy);
+
+	phy_start(slave->phy);
+
+	/* Configure GMII_SEL register */
+	cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num);
 }
 
 static inline void cpsw_add_default_vlan(struct cpsw_priv *priv)
@@ -1932,12 +1940,11 @@
 	slave->port_vlan = data->dual_emac_res_vlan;
 }
 
-static int cpsw_probe_dt(struct cpsw_priv *priv,
+static int cpsw_probe_dt(struct cpsw_platform_data *data,
 			 struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
 	struct device_node *slave_node;
-	struct cpsw_platform_data *data = &priv->data;
 	int i = 0, ret;
 	u32 prop;
 
@@ -2025,25 +2032,21 @@
 		if (strcmp(slave_node->name, "slave"))
 			continue;
 
-		priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+		slave_data->phy_node = of_parse_phandle(slave_node,
+							"phy-handle", 0);
 		parp = of_get_property(slave_node, "phy_id", &lenp);
-		if (of_phy_is_fixed_link(slave_node)) {
-			struct device_node *phy_node;
-			struct phy_device *phy_dev;
-
+		if (slave_data->phy_node) {
+			dev_dbg(&pdev->dev,
+				"slave[%d] using phy-handle=\"%s\"\n",
+				i, slave_data->phy_node->full_name);
+		} else if (of_phy_is_fixed_link(slave_node)) {
 			/* In the case of a fixed PHY, the DT node associated
 			 * to the PHY is the Ethernet MAC DT node.
 			 */
 			ret = of_phy_register_fixed_link(slave_node);
 			if (ret)
 				return ret;
-			phy_node = of_node_get(slave_node);
-			phy_dev = of_phy_find_device(phy_node);
-			if (!phy_dev)
-				return -ENODEV;
-			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-				 PHY_ID_FMT, phy_dev->mdio.bus->id,
-				 phy_dev->mdio.addr);
+			slave_data->phy_node = of_node_get(slave_node);
 		} else if (parp) {
 			u32 phyid;
 			struct device_node *mdio_node;
@@ -2064,7 +2067,9 @@
 			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
 				 PHY_ID_FMT, mdio->name, phyid);
 		} else {
-			dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
+			dev_err(&pdev->dev,
+				"No slave[%d] phy_id, phy-handle, or fixed-link property\n",
+				i);
 			goto no_phy_slave;
 		}
 		slave_data->phy_if = of_get_phy_mode(slave_node);
@@ -2266,7 +2271,7 @@
 	/* Select default pin state */
 	pinctrl_pm_select_default_state(&pdev->dev);
 
-	if (cpsw_probe_dt(priv, pdev)) {
+	if (cpsw_probe_dt(&priv->data, pdev)) {
 		dev_err(&pdev->dev, "cpsw: platform data missing\n");
 		ret = -ENODEV;
 		goto clean_runtime_disable_ret;
diff --git a/drivers/net/ethernet/ti/cpsw.h b/drivers/net/ethernet/ti/cpsw.h
index 442a703..e50afd1 100644
--- a/drivers/net/ethernet/ti/cpsw.h
+++ b/drivers/net/ethernet/ti/cpsw.h
@@ -18,6 +18,7 @@
 #include <linux/phy.h>
 
 struct cpsw_slave_data {
+	struct device_node *phy_node;
 	char		phy_id[MII_BUS_ID_SIZE];
 	int		phy_if;
 	u8		mac_addr[ETH_ALEN];
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 58d58f0..f56d66e 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1512,7 +1512,10 @@
 
 	/* TODO: Add phy read and write and private statistics get feature */
 
-	return phy_mii_ioctl(priv->phydev, ifrq, cmd);
+	if (priv->phydev)
+		return phy_mii_ioctl(priv->phydev, ifrq, cmd);
+	else
+		return -EOPNOTSUPP;
 }
 
 static int match_first_device(struct device *dev, void *data)
diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
index 13214a6..743b182 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
@@ -1622,7 +1622,7 @@
 			continue;
 
 		/* copy hw scan info */
-		memcpy(target->hwinfo, scan_info, scan_info->size);
+		memcpy(target->hwinfo, scan_info, be16_to_cpu(scan_info->size));
 		target->essid_len = strnlen(scan_info->essid,
 					    sizeof(scan_info->essid));
 		target->rate_len = 0;
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index b3ffaee..f279a89 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -359,27 +359,25 @@
 	 * in the FIFO. In such cases, the FIFO enters an error mode it
 	 * cannot recover from by software.
 	 */
-	if (phydev->drv->phy_id == ATH8030_PHY_ID) {
-		if (phydev->state == PHY_NOLINK) {
-			if (priv->gpiod_reset && !priv->phy_reset) {
-				struct at803x_context context;
+	if (phydev->state == PHY_NOLINK) {
+		if (priv->gpiod_reset && !priv->phy_reset) {
+			struct at803x_context context;
 
-				at803x_context_save(phydev, &context);
+			at803x_context_save(phydev, &context);
 
-				gpiod_set_value(priv->gpiod_reset, 1);
-				msleep(1);
-				gpiod_set_value(priv->gpiod_reset, 0);
-				msleep(1);
+			gpiod_set_value(priv->gpiod_reset, 1);
+			msleep(1);
+			gpiod_set_value(priv->gpiod_reset, 0);
+			msleep(1);
 
-				at803x_context_restore(phydev, &context);
+			at803x_context_restore(phydev, &context);
 
-				phydev_dbg(phydev, "%s(): phy was reset\n",
-					   __func__);
-				priv->phy_reset = true;
-			}
-		} else {
-			priv->phy_reset = false;
+			phydev_dbg(phydev, "%s(): phy was reset\n",
+				   __func__);
+			priv->phy_reset = true;
 		}
+	} else {
+		priv->phy_reset = false;
 	}
 }
 
@@ -391,7 +389,6 @@
 	.phy_id_mask		= 0xffffffef,
 	.probe			= at803x_probe,
 	.config_init		= at803x_config_init,
-	.link_change_notify	= at803x_link_change_notify,
 	.set_wol		= at803x_set_wol,
 	.get_wol		= at803x_get_wol,
 	.suspend		= at803x_suspend,
@@ -427,7 +424,6 @@
 	.phy_id_mask		= 0xffffffef,
 	.probe			= at803x_probe,
 	.config_init		= at803x_config_init,
-	.link_change_notify	= at803x_link_change_notify,
 	.set_wol		= at803x_set_wol,
 	.get_wol		= at803x_get_wol,
 	.suspend		= at803x_suspend,
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index f20890e..f64778a 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -269,6 +269,7 @@
 	struct lan78xx_net *dev;
 	enum skb_state state;
 	size_t length;
+	int num_of_packet;
 };
 
 struct usb_context {
@@ -1803,7 +1804,34 @@
 
 static void lan78xx_link_status_change(struct net_device *net)
 {
-	/* nothing to do */
+	struct phy_device *phydev = net->phydev;
+	int ret, temp;
+
+	/* At forced 100 F/H mode, chip may fail to set mode correctly
+	 * when cable is switched between long(~50+m) and short one.
+	 * As workaround, set to 10 before setting to 100
+	 * at forced 100 F/H mode.
+	 */
+	if (!phydev->autoneg && (phydev->speed == 100)) {
+		/* disable phy interrupt */
+		temp = phy_read(phydev, LAN88XX_INT_MASK);
+		temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_;
+		ret = phy_write(phydev, LAN88XX_INT_MASK, temp);
+
+		temp = phy_read(phydev, MII_BMCR);
+		temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000);
+		phy_write(phydev, MII_BMCR, temp); /* set to 10 first */
+		temp |= BMCR_SPEED100;
+		phy_write(phydev, MII_BMCR, temp); /* set to 100 later */
+
+		/* clear pending interrupt generated while workaround */
+		temp = phy_read(phydev, LAN88XX_INT_STS);
+
+		/* enable phy interrupt back */
+		temp = phy_read(phydev, LAN88XX_INT_MASK);
+		temp |= LAN88XX_INT_MASK_MDINTPIN_EN_;
+		ret = phy_write(phydev, LAN88XX_INT_MASK, temp);
+	}
 }
 
 static int lan78xx_phy_init(struct lan78xx_net *dev)
@@ -2464,7 +2492,7 @@
 	struct lan78xx_net *dev = entry->dev;
 
 	if (urb->status == 0) {
-		dev->net->stats.tx_packets++;
+		dev->net->stats.tx_packets += entry->num_of_packet;
 		dev->net->stats.tx_bytes += entry->length;
 	} else {
 		dev->net->stats.tx_errors++;
@@ -2681,10 +2709,11 @@
 		return;
 	}
 
-	skb->protocol = eth_type_trans(skb, dev->net);
 	dev->net->stats.rx_packets++;
 	dev->net->stats.rx_bytes += skb->len;
 
+	skb->protocol = eth_type_trans(skb, dev->net);
+
 	netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n",
 		  skb->len + sizeof(struct ethhdr), skb->protocol);
 	memset(skb->cb, 0, sizeof(struct skb_data));
@@ -2934,13 +2963,16 @@
 
 	skb_totallen = 0;
 	pkt_cnt = 0;
+	count = 0;
+	length = 0;
 	for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) {
 		if (skb_is_gso(skb)) {
 			if (pkt_cnt) {
 				/* handle previous packets first */
 				break;
 			}
-			length = skb->len;
+			count = 1;
+			length = skb->len - TX_OVERHEAD;
 			skb2 = skb_dequeue(tqp);
 			goto gso_skb;
 		}
@@ -2961,14 +2993,13 @@
 	for (count = pos = 0; count < pkt_cnt; count++) {
 		skb2 = skb_dequeue(tqp);
 		if (skb2) {
+			length += (skb2->len - TX_OVERHEAD);
 			memcpy(skb->data + pos, skb2->data, skb2->len);
 			pos += roundup(skb2->len, sizeof(u32));
 			dev_kfree_skb(skb2);
 		}
 	}
 
-	length = skb_totallen;
-
 gso_skb:
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!urb) {
@@ -2980,6 +3011,7 @@
 	entry->urb = urb;
 	entry->dev = dev;
 	entry->length = length;
+	entry->num_of_packet = count;
 
 	spin_lock_irqsave(&dev->txq.lock, flags);
 	ret = usb_autopm_get_interface_async(dev->intf);
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index f840802..82129ee 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -411,7 +411,7 @@
 	int ret;
 
 	read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart);
-	data[0] = 0xc9;
+	data[0] = 0xc8; /* TX & RX enable, append status, no CRC */
 	data[1] = 0;
 	if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL))
 		data[1] |= 0x20;	/* set full duplex */
@@ -497,7 +497,7 @@
 		pkt_len = buf[count - 3] << 8;
 		pkt_len += buf[count - 4];
 		pkt_len &= 0xfff;
-		pkt_len -= 8;
+		pkt_len -= 4;
 	}
 
 	/*
@@ -528,7 +528,7 @@
 goon:
 	usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
 			  usb_rcvbulkpipe(pegasus->usb, 1),
-			  pegasus->rx_skb->data, PEGASUS_MTU + 8,
+			  pegasus->rx_skb->data, PEGASUS_MTU,
 			  read_bulk_callback, pegasus);
 	rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
 	if (rx_status == -ENODEV)
@@ -569,7 +569,7 @@
 	}
 	usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
 			  usb_rcvbulkpipe(pegasus->usb, 1),
-			  pegasus->rx_skb->data, PEGASUS_MTU + 8,
+			  pegasus->rx_skb->data, PEGASUS_MTU,
 			  read_bulk_callback, pegasus);
 try_again:
 	status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
@@ -823,7 +823,7 @@
 
 	usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
 			  usb_rcvbulkpipe(pegasus->usb, 1),
-			  pegasus->rx_skb->data, PEGASUS_MTU + 8,
+			  pegasus->rx_skb->data, PEGASUS_MTU,
 			  read_bulk_callback, pegasus);
 	if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) {
 		if (res == -ENODEV)
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 30033db..c369db9 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -29,6 +29,7 @@
 #include <linux/crc32.h>
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
+#include <linux/of_net.h>
 #include "smsc75xx.h"
 
 #define SMSC_CHIPNAME			"smsc75xx"
@@ -761,6 +762,15 @@
 
 static void smsc75xx_init_mac_address(struct usbnet *dev)
 {
+	const u8 *mac_addr;
+
+	/* maybe the boot loader passed the MAC address in devicetree */
+	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
+	if (mac_addr) {
+		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
+		return;
+	}
+
 	/* try reading mac address from EEPROM */
 	if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
 			dev->net->dev_addr) == 0) {
@@ -772,7 +782,7 @@
 		}
 	}
 
-	/* no eeprom, or eeprom values are invalid. generate random MAC */
+	/* no useful static MAC address found. generate a random one */
 	eth_hw_addr_random(dev->net);
 	netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
 }
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 66b3ab9..2edc2bc 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -29,6 +29,7 @@
 #include <linux/crc32.h>
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
+#include <linux/of_net.h>
 #include "smsc95xx.h"
 
 #define SMSC_CHIPNAME			"smsc95xx"
@@ -765,6 +766,15 @@
 
 static void smsc95xx_init_mac_address(struct usbnet *dev)
 {
+	const u8 *mac_addr;
+
+	/* maybe the boot loader passed the MAC address in devicetree */
+	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
+	if (mac_addr) {
+		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
+		return;
+	}
+
 	/* try reading mac address from EEPROM */
 	if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
 			dev->net->dev_addr) == 0) {
@@ -775,7 +785,7 @@
 		}
 	}
 
-	/* no eeprom, or eeprom values are invalid. generate random MAC */
+	/* no useful static MAC address found. generate a random one */
 	eth_hw_addr_random(dev->net);
 	netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
 }
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 8f87930..1b271b9 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -274,6 +274,9 @@
 	};
 	static const int inc[4] = { 0, 100, 0, 0 };
 
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
 	cur_bin = -6000;
 	upper = bin + 100;
 	lower = bin - 100;
@@ -424,14 +427,9 @@
 	int tmp, new;
 	int i;
 
-	int8_t mask_m[123];
-	int8_t mask_p[123];
 	int cur_bb_spur;
 	bool is2GHz = IS_CHAN_2GHZ(chan);
 
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
 		if (AR_NO_SPUR == cur_bb_spur)
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index db66245..53d7445 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -178,14 +178,9 @@
 	int i;
 	struct chan_centers centers;
 
-	int8_t mask_m[123];
-	int8_t mask_p[123];
 	int cur_bb_spur;
 	bool is2GHz = IS_CHAN_2GHZ(chan);
 
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
 	freq = centers.synth_center;
 
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
index a9212a1..2d20556 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
@@ -89,7 +89,7 @@
 #define IWL8260_SMEM_OFFSET		0x400000
 #define IWL8260_SMEM_LEN		0x68000
 
-#define IWL8000_FW_PRE "iwlwifi-8000"
+#define IWL8000_FW_PRE "iwlwifi-8000C-"
 #define IWL8000_MODULE_FIRMWARE(api) \
 	IWL8000_FW_PRE "-" __stringify(api) ".ucode"
 
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 4f495d9..ff18b06 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -240,19 +240,6 @@
 	snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
 		 name_pre, tag);
 
-	/*
-	 * Starting 8000B - FW name format has changed. This overwrites the
-	 * previous name and uses the new format.
-	 */
-	if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
-		char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
-
-		if (rev_step != 'A')
-			snprintf(drv->firmware_name,
-				 sizeof(drv->firmware_name), "%s%c-%s.ucode",
-				 name_pre, rev_step, tag);
-	}
-
 	IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
 		       (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
 				? "EXPERIMENTAL " : "",
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
index cbb5947..e25171f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
@@ -609,7 +609,8 @@
 	}
 
 	/* Make room for fw's virtual image pages, if it exists */
-	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size)
+	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
+	    mvm->fw_paging_db[0].fw_paging_block)
 		file_len += mvm->num_of_paging_blk *
 			(sizeof(*dump_data) +
 			 sizeof(struct iwl_fw_error_dump_paging) +
@@ -750,7 +751,8 @@
 	}
 
 	/* Dump fw's virtual image */
-	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) {
+	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
+	    mvm->fw_paging_db[0].fw_paging_block) {
 		for (i = 1; i < mvm->num_of_paging_blk + 1; i++) {
 			struct iwl_fw_error_dump_paging *paging;
 			struct page *pages =
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 9e97cf4..b70f453 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -149,9 +149,11 @@
 
 		__free_pages(mvm->fw_paging_db[i].fw_paging_block,
 			     get_order(mvm->fw_paging_db[i].fw_paging_size));
+		mvm->fw_paging_db[i].fw_paging_block = NULL;
 	}
 	kfree(mvm->trans->paging_download_buf);
 	mvm->trans->paging_download_buf = NULL;
+	mvm->trans->paging_db = NULL;
 
 	memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 41c6dd5..de42066 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -479,8 +479,18 @@
 	{IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x0110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x1110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x1010, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x0050, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x0150, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x9010, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x8110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x8050, iwl8265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x9110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x8130, iwl8265_2ac_cfg)},
 
 /* 9000 Series */
 	{IWL_PCI_DEVICE(0x9DF0, 0x0A10, iwl9560_2ac_cfg)},
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index df1f1a7..01e12d2 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -135,7 +135,7 @@
 /* Field definitions */
 #define HCI_ACCEL_MASK			0x7fff
 #define HCI_HOTKEY_DISABLE		0x0b
-#define HCI_HOTKEY_ENABLE		0x01
+#define HCI_HOTKEY_ENABLE		0x09
 #define HCI_HOTKEY_SPECIAL_FUNCTIONS	0x10
 #define HCI_LCD_BRIGHTNESS_BITS		3
 #define HCI_LCD_BRIGHTNESS_SHIFT	(16-HCI_LCD_BRIGHTNESS_BITS)
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 5d4d918..96168b8 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -2669,9 +2669,9 @@
 
 	/* Create device class needed by udev */
 	dev_class = class_create(THIS_MODULE, DRV_NAME);
-	if (!dev_class) {
+	if (IS_ERR(dev_class)) {
 		rmcd_error("Unable to create " DRV_NAME " class");
-		return -EINVAL;
+		return PTR_ERR(dev_class);
 	}
 
 	ret = alloc_chrdev_region(&dev_number, 0, RIO_MAX_MPORTS, DRV_NAME);
diff --git a/drivers/s390/char/sclp_ctl.c b/drivers/s390/char/sclp_ctl.c
index 648cb86..ea607a4 100644
--- a/drivers/s390/char/sclp_ctl.c
+++ b/drivers/s390/char/sclp_ctl.c
@@ -56,6 +56,7 @@
 {
 	struct sclp_ctl_sccb ctl_sccb;
 	struct sccb_header *sccb;
+	unsigned long copied;
 	int rc;
 
 	if (copy_from_user(&ctl_sccb, user_area, sizeof(ctl_sccb)))
@@ -65,14 +66,15 @@
 	sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
 	if (!sccb)
 		return -ENOMEM;
-	if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sizeof(*sccb))) {
+	copied = PAGE_SIZE -
+		copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), PAGE_SIZE);
+	if (offsetof(struct sccb_header, length) +
+	    sizeof(sccb->length) > copied || sccb->length > copied) {
 		rc = -EFAULT;
 		goto out_free;
 	}
-	if (sccb->length > PAGE_SIZE || sccb->length < 8)
-		return -EINVAL;
-	if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sccb->length)) {
-		rc = -EFAULT;
+	if (sccb->length < 8) {
+		rc = -EINVAL;
 		goto out_free;
 	}
 	rc = sclp_sync_request(ctl_sccb.cmdw, sccb);
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index b793c04..be72a8e 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -172,9 +172,11 @@
 static int vpfe_update_pipe_state(struct vpfe_video_device *video)
 {
 	struct vpfe_pipeline *pipe = &video->pipe;
+	int ret;
 
-	if (vpfe_prepare_pipeline(video))
-		return vpfe_prepare_pipeline(video);
+	ret = vpfe_prepare_pipeline(video);
+	if (ret)
+		return ret;
 
 	/*
 	 * Find out if there is any input video
@@ -182,9 +184,10 @@
 	 */
 	if (pipe->input_num == 0) {
 		pipe->state = VPFE_PIPELINE_STREAM_CONTINUOUS;
-		if (vpfe_update_current_ext_subdev(video)) {
+		ret = vpfe_update_current_ext_subdev(video);
+		if (ret) {
 			pr_err("Invalid external subdev\n");
-			return vpfe_update_current_ext_subdev(video);
+			return ret;
 		}
 	} else {
 		pipe->state = VPFE_PIPELINE_STREAM_SINGLESHOT;
@@ -667,6 +670,7 @@
 	struct v4l2_subdev *subdev;
 	struct v4l2_format format;
 	struct media_pad *remote;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_enum_fmt\n");
 
@@ -695,10 +699,11 @@
 	sd_fmt.pad = remote->index;
 	sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 	/* get output format of remote subdev */
-	if (v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt)) {
+	ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt);
+	if (ret) {
 		v4l2_err(&vpfe_dev->v4l2_dev,
 			 "invalid remote subdev for video node\n");
-		return v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt);
+		return ret;
 	}
 	/* convert to pix format */
 	mbus.code = sd_fmt.format.code;
@@ -725,6 +730,7 @@
 	struct vpfe_video_device *video = video_drvdata(file);
 	struct vpfe_device *vpfe_dev = video->vpfe_dev;
 	struct v4l2_format format;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_fmt\n");
 	/* If streaming is started, return error */
@@ -733,8 +739,9 @@
 		return -EBUSY;
 	}
 	/* get adjacent subdev's output pad format */
-	if (__vpfe_video_get_format(video, &format))
-		return __vpfe_video_get_format(video, &format);
+	ret = __vpfe_video_get_format(video, &format);
+	if (ret)
+		return ret;
 	*fmt = format;
 	video->fmt = *fmt;
 	return 0;
@@ -757,11 +764,13 @@
 	struct vpfe_video_device *video = video_drvdata(file);
 	struct vpfe_device *vpfe_dev = video->vpfe_dev;
 	struct v4l2_format format;
+	int ret;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_try_fmt\n");
 	/* get adjacent subdev's output pad format */
-	if (__vpfe_video_get_format(video, &format))
-		return __vpfe_video_get_format(video, &format);
+	ret = __vpfe_video_get_format(video, &format);
+	if (ret)
+		return ret;
 
 	*fmt = format;
 	return 0;
@@ -838,8 +847,9 @@
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_input\n");
 
-	if (mutex_lock_interruptible(&video->lock))
-		return mutex_lock_interruptible(&video->lock);
+	ret = mutex_lock_interruptible(&video->lock);
+	if (ret)
+		return ret;
 	/*
 	 * If streaming is started return device busy
 	 * error
@@ -940,8 +950,9 @@
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_std\n");
 
 	/* Call decoder driver function to set the standard */
-	if (mutex_lock_interruptible(&video->lock))
-		return mutex_lock_interruptible(&video->lock);
+	ret = mutex_lock_interruptible(&video->lock);
+	if (ret)
+		return ret;
 	sdinfo = video->current_ext_subdev;
 	/* If streaming is started, return device busy error */
 	if (video->started) {
@@ -1327,8 +1338,9 @@
 		return -EINVAL;
 	}
 
-	if (mutex_lock_interruptible(&video->lock))
-		return mutex_lock_interruptible(&video->lock);
+	ret = mutex_lock_interruptible(&video->lock);
+	if (ret)
+		return ret;
 
 	if (video->io_usrs != 0) {
 		v4l2_err(&vpfe_dev->v4l2_dev, "Only one IO user allowed\n");
@@ -1354,10 +1366,11 @@
 	q->buf_struct_size = sizeof(struct vpfe_cap_buffer);
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 
-	if (vb2_queue_init(q)) {
+	ret = vb2_queue_init(q);
+	if (ret) {
 		v4l2_err(&vpfe_dev->v4l2_dev, "vb2_queue_init() failed\n");
 		vb2_dma_contig_cleanup_ctx(vpfe_dev->pdev);
-		return vb2_queue_init(q);
+		return ret;
 	}
 
 	fh->io_allowed = 1;
@@ -1533,8 +1546,9 @@
 		return -EINVAL;
 	}
 
-	if (mutex_lock_interruptible(&video->lock))
-		return mutex_lock_interruptible(&video->lock);
+	ret = mutex_lock_interruptible(&video->lock);
+	if (ret)
+		return ret;
 
 	vpfe_stop_capture(video);
 	ret = vb2_streamoff(&video->buffer_queue, buf_type);
diff --git a/drivers/staging/rdma/hfi1/TODO b/drivers/staging/rdma/hfi1/TODO
index 05de0da..4c6f1d7 100644
--- a/drivers/staging/rdma/hfi1/TODO
+++ b/drivers/staging/rdma/hfi1/TODO
@@ -3,4 +3,4 @@
 - Remove unneeded file entries in sysfs
 - Remove software processing of IB protocol and place in library for use
   by qib, ipath (if still present), hfi1, and eventually soft-roce
-
+- Replace incorrect uAPI
diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c
index 8396dc5..c1c5bf8 100644
--- a/drivers/staging/rdma/hfi1/file_ops.c
+++ b/drivers/staging/rdma/hfi1/file_ops.c
@@ -49,6 +49,8 @@
 #include <linux/vmalloc.h>
 #include <linux/io.h>
 
+#include <rdma/ib.h>
+
 #include "hfi.h"
 #include "pio.h"
 #include "device.h"
@@ -190,6 +192,10 @@
 	int uctxt_required = 1;
 	int must_be_root = 0;
 
+	/* FIXME: This interface cannot continue out of staging */
+	if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+		return -EACCES;
+
 	if (count < sizeof(cmd)) {
 		ret = -EINVAL;
 		goto bail;
@@ -791,15 +797,16 @@
 	spin_unlock_irqrestore(&dd->uctxt_lock, flags);
 
 	dd->rcd[uctxt->ctxt] = NULL;
+
+	hfi1_user_exp_rcv_free(fdata);
+	hfi1_clear_ctxt_pkey(dd, uctxt->ctxt);
+
 	uctxt->rcvwait_to = 0;
 	uctxt->piowait_to = 0;
 	uctxt->rcvnowait = 0;
 	uctxt->pionowait = 0;
 	uctxt->event_flags = 0;
 
-	hfi1_user_exp_rcv_free(fdata);
-	hfi1_clear_ctxt_pkey(dd, uctxt->ctxt);
-
 	hfi1_stats.sps_ctxts--;
 	if (++dd->freectxts == dd->num_user_contexts)
 		aspm_enable_all(dd);
@@ -1127,27 +1134,13 @@
 
 static int user_init(struct file *fp)
 {
-	int ret;
 	unsigned int rcvctrl_ops = 0;
 	struct hfi1_filedata *fd = fp->private_data;
 	struct hfi1_ctxtdata *uctxt = fd->uctxt;
 
 	/* make sure that the context has already been setup */
-	if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) {
-		ret = -EFAULT;
-		goto done;
-	}
-
-	/*
-	 * Subctxts don't need to initialize anything since master
-	 * has done it.
-	 */
-	if (fd->subctxt) {
-		ret = wait_event_interruptible(uctxt->wait, !test_bit(
-					       HFI1_CTXT_MASTER_UNINIT,
-					       &uctxt->event_flags));
-		goto expected;
-	}
+	if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags))
+		return -EFAULT;
 
 	/* initialize poll variables... */
 	uctxt->urgent = 0;
@@ -1202,19 +1195,7 @@
 		wake_up(&uctxt->wait);
 	}
 
-expected:
-	/*
-	 * Expected receive has to be setup for all processes (including
-	 * shared contexts). However, it has to be done after the master
-	 * context has been fully configured as it depends on the
-	 * eager/expected split of the RcvArray entries.
-	 * Setting it up here ensures that the subcontexts will be waiting
-	 * (due to the above wait_event_interruptible() until the master
-	 * is setup.
-	 */
-	ret = hfi1_user_exp_rcv_init(fp);
-done:
-	return ret;
+	return 0;
 }
 
 static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
@@ -1261,7 +1242,7 @@
 	int ret = 0;
 
 	/*
-	 * Context should be set up only once (including allocation and
+	 * Context should be set up only once, including allocation and
 	 * programming of eager buffers. This is done if context sharing
 	 * is not requested or by the master process.
 	 */
@@ -1282,10 +1263,29 @@
 			if (ret)
 				goto done;
 		}
+	} else {
+		ret = wait_event_interruptible(uctxt->wait, !test_bit(
+					       HFI1_CTXT_MASTER_UNINIT,
+					       &uctxt->event_flags));
+		if (ret)
+			goto done;
 	}
+
 	ret = hfi1_user_sdma_alloc_queues(uctxt, fp);
 	if (ret)
 		goto done;
+	/*
+	 * Expected receive has to be setup for all processes (including
+	 * shared contexts). However, it has to be done after the master
+	 * context has been fully configured as it depends on the
+	 * eager/expected split of the RcvArray entries.
+	 * Setting it up here ensures that the subcontexts will be waiting
+	 * (due to the above wait_event_interruptible() until the master
+	 * is setup.
+	 */
+	ret = hfi1_user_exp_rcv_init(fp);
+	if (ret)
+		goto done;
 
 	set_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags);
 done:
@@ -1565,29 +1565,8 @@
 {
 	struct hfi1_devdata *dd = filp->private_data;
 
-	switch (whence) {
-	case SEEK_SET:
-		break;
-	case SEEK_CUR:
-		offset += filp->f_pos;
-		break;
-	case SEEK_END:
-		offset = ((dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE) -
-			offset;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (offset < 0)
-		return -EINVAL;
-
-	if (offset >= (dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE)
-		return -EINVAL;
-
-	filp->f_pos = offset;
-
-	return filp->f_pos;
+	return fixed_size_llseek(filp, offset, whence,
+		(dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE);
 }
 
 /* NOTE: assumes unsigned long is 8 bytes */
diff --git a/drivers/staging/rdma/hfi1/mmu_rb.c b/drivers/staging/rdma/hfi1/mmu_rb.c
index c7ad016..b3f0682 100644
--- a/drivers/staging/rdma/hfi1/mmu_rb.c
+++ b/drivers/staging/rdma/hfi1/mmu_rb.c
@@ -71,6 +71,7 @@
 					    struct mm_struct *,
 					    unsigned long, unsigned long);
 static void mmu_notifier_mem_invalidate(struct mmu_notifier *,
+					struct mm_struct *,
 					unsigned long, unsigned long);
 static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *,
 					   unsigned long, unsigned long);
@@ -137,7 +138,7 @@
 			rbnode = rb_entry(node, struct mmu_rb_node, node);
 			rb_erase(node, root);
 			if (handler->ops->remove)
-				handler->ops->remove(root, rbnode, false);
+				handler->ops->remove(root, rbnode, NULL);
 		}
 	}
 
@@ -176,7 +177,7 @@
 	return ret;
 }
 
-/* Caller must host handler lock */
+/* Caller must hold handler lock */
 static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *handler,
 					   unsigned long addr,
 					   unsigned long len)
@@ -200,15 +201,21 @@
 	return node;
 }
 
+/* Caller must *not* hold handler lock. */
 static void __mmu_rb_remove(struct mmu_rb_handler *handler,
-			    struct mmu_rb_node *node, bool arg)
+			    struct mmu_rb_node *node, struct mm_struct *mm)
 {
+	unsigned long flags;
+
 	/* Validity of handler and node pointers has been checked by caller. */
 	hfi1_cdbg(MMU, "Removing node addr 0x%llx, len %u", node->addr,
 		  node->len);
+	spin_lock_irqsave(&handler->lock, flags);
 	__mmu_int_rb_remove(node, handler->root);
+	spin_unlock_irqrestore(&handler->lock, flags);
+
 	if (handler->ops->remove)
-		handler->ops->remove(handler->root, node, arg);
+		handler->ops->remove(handler->root, node, mm);
 }
 
 struct mmu_rb_node *hfi1_mmu_rb_search(struct rb_root *root, unsigned long addr,
@@ -231,14 +238,11 @@
 void hfi1_mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node)
 {
 	struct mmu_rb_handler *handler = find_mmu_handler(root);
-	unsigned long flags;
 
 	if (!handler || !node)
 		return;
 
-	spin_lock_irqsave(&handler->lock, flags);
-	__mmu_rb_remove(handler, node, false);
-	spin_unlock_irqrestore(&handler->lock, flags);
+	__mmu_rb_remove(handler, node, NULL);
 }
 
 static struct mmu_rb_handler *find_mmu_handler(struct rb_root *root)
@@ -260,7 +264,7 @@
 static inline void mmu_notifier_page(struct mmu_notifier *mn,
 				     struct mm_struct *mm, unsigned long addr)
 {
-	mmu_notifier_mem_invalidate(mn, addr, addr + PAGE_SIZE);
+	mmu_notifier_mem_invalidate(mn, mm, addr, addr + PAGE_SIZE);
 }
 
 static inline void mmu_notifier_range_start(struct mmu_notifier *mn,
@@ -268,25 +272,31 @@
 					    unsigned long start,
 					    unsigned long end)
 {
-	mmu_notifier_mem_invalidate(mn, start, end);
+	mmu_notifier_mem_invalidate(mn, mm, start, end);
 }
 
 static void mmu_notifier_mem_invalidate(struct mmu_notifier *mn,
+					struct mm_struct *mm,
 					unsigned long start, unsigned long end)
 {
 	struct mmu_rb_handler *handler =
 		container_of(mn, struct mmu_rb_handler, mn);
 	struct rb_root *root = handler->root;
-	struct mmu_rb_node *node;
+	struct mmu_rb_node *node, *ptr = NULL;
 	unsigned long flags;
 
 	spin_lock_irqsave(&handler->lock, flags);
-	for (node = __mmu_int_rb_iter_first(root, start, end - 1); node;
-	     node = __mmu_int_rb_iter_next(node, start, end - 1)) {
+	for (node = __mmu_int_rb_iter_first(root, start, end - 1);
+	     node; node = ptr) {
+		/* Guard against node removal. */
+		ptr = __mmu_int_rb_iter_next(node, start, end - 1);
 		hfi1_cdbg(MMU, "Invalidating node addr 0x%llx, len %u",
 			  node->addr, node->len);
-		if (handler->ops->invalidate(root, node))
-			__mmu_rb_remove(handler, node, true);
+		if (handler->ops->invalidate(root, node)) {
+			spin_unlock_irqrestore(&handler->lock, flags);
+			__mmu_rb_remove(handler, node, mm);
+			spin_lock_irqsave(&handler->lock, flags);
+		}
 	}
 	spin_unlock_irqrestore(&handler->lock, flags);
 }
diff --git a/drivers/staging/rdma/hfi1/mmu_rb.h b/drivers/staging/rdma/hfi1/mmu_rb.h
index f8523fd..19a306e 100644
--- a/drivers/staging/rdma/hfi1/mmu_rb.h
+++ b/drivers/staging/rdma/hfi1/mmu_rb.h
@@ -59,7 +59,8 @@
 struct mmu_rb_ops {
 	bool (*filter)(struct mmu_rb_node *, unsigned long, unsigned long);
 	int (*insert)(struct rb_root *, struct mmu_rb_node *);
-	void (*remove)(struct rb_root *, struct mmu_rb_node *, bool);
+	void (*remove)(struct rb_root *, struct mmu_rb_node *,
+		       struct mm_struct *);
 	int (*invalidate)(struct rb_root *, struct mmu_rb_node *);
 };
 
diff --git a/drivers/staging/rdma/hfi1/qp.c b/drivers/staging/rdma/hfi1/qp.c
index 29a5ad2..dc9119e 100644
--- a/drivers/staging/rdma/hfi1/qp.c
+++ b/drivers/staging/rdma/hfi1/qp.c
@@ -519,10 +519,12 @@
 	 * do the flush work until that QP's
 	 * sdma work has finished.
 	 */
+	spin_lock(&qp->s_lock);
 	if (qp->s_flags & RVT_S_WAIT_DMA) {
 		qp->s_flags &= ~RVT_S_WAIT_DMA;
 		hfi1_schedule_send(qp);
 	}
+	spin_unlock(&qp->s_lock);
 }
 
 /**
diff --git a/drivers/staging/rdma/hfi1/user_exp_rcv.c b/drivers/staging/rdma/hfi1/user_exp_rcv.c
index 0861e09..8bd56d5 100644
--- a/drivers/staging/rdma/hfi1/user_exp_rcv.c
+++ b/drivers/staging/rdma/hfi1/user_exp_rcv.c
@@ -87,7 +87,8 @@
 static int set_rcvarray_entry(struct file *, unsigned long, u32,
 			      struct tid_group *, struct page **, unsigned);
 static int mmu_rb_insert(struct rb_root *, struct mmu_rb_node *);
-static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *, bool);
+static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *,
+			  struct mm_struct *);
 static int mmu_rb_invalidate(struct rb_root *, struct mmu_rb_node *);
 static int program_rcvarray(struct file *, unsigned long, struct tid_group *,
 			    struct tid_pageset *, unsigned, u16, struct page **,
@@ -254,6 +255,8 @@
 	struct hfi1_ctxtdata *uctxt = fd->uctxt;
 	struct tid_group *grp, *gptr;
 
+	if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags))
+		return 0;
 	/*
 	 * The notifier would have been removed when the process'es mm
 	 * was freed.
@@ -899,7 +902,7 @@
 	if (!node || node->rcventry != (uctxt->expected_base + rcventry))
 		return -EBADF;
 	if (HFI1_CAP_IS_USET(TID_UNMAP))
-		mmu_rb_remove(&fd->tid_rb_root, &node->mmu, false);
+		mmu_rb_remove(&fd->tid_rb_root, &node->mmu, NULL);
 	else
 		hfi1_mmu_rb_remove(&fd->tid_rb_root, &node->mmu);
 
@@ -965,7 +968,7 @@
 					continue;
 				if (HFI1_CAP_IS_USET(TID_UNMAP))
 					mmu_rb_remove(&fd->tid_rb_root,
-						      &node->mmu, false);
+						      &node->mmu, NULL);
 				else
 					hfi1_mmu_rb_remove(&fd->tid_rb_root,
 							   &node->mmu);
@@ -1032,7 +1035,7 @@
 }
 
 static void mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node,
-			  bool notifier)
+			  struct mm_struct *mm)
 {
 	struct hfi1_filedata *fdata =
 		container_of(root, struct hfi1_filedata, tid_rb_root);
diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c
index ab6b6a4..d53a659 100644
--- a/drivers/staging/rdma/hfi1/user_sdma.c
+++ b/drivers/staging/rdma/hfi1/user_sdma.c
@@ -278,7 +278,8 @@
 static void user_sdma_free_request(struct user_sdma_request *, bool);
 static int pin_vector_pages(struct user_sdma_request *,
 			    struct user_sdma_iovec *);
-static void unpin_vector_pages(struct mm_struct *, struct page **, unsigned);
+static void unpin_vector_pages(struct mm_struct *, struct page **, unsigned,
+			       unsigned);
 static int check_header_template(struct user_sdma_request *,
 				 struct hfi1_pkt_header *, u32, u32);
 static int set_txreq_header(struct user_sdma_request *,
@@ -299,7 +300,8 @@
 static void activate_packet_queue(struct iowait *, int);
 static bool sdma_rb_filter(struct mmu_rb_node *, unsigned long, unsigned long);
 static int sdma_rb_insert(struct rb_root *, struct mmu_rb_node *);
-static void sdma_rb_remove(struct rb_root *, struct mmu_rb_node *, bool);
+static void sdma_rb_remove(struct rb_root *, struct mmu_rb_node *,
+			   struct mm_struct *);
 static int sdma_rb_invalidate(struct rb_root *, struct mmu_rb_node *);
 
 static struct mmu_rb_ops sdma_rb_ops = {
@@ -1063,8 +1065,10 @@
 	rb_node = hfi1_mmu_rb_search(&pq->sdma_rb_root,
 				     (unsigned long)iovec->iov.iov_base,
 				     iovec->iov.iov_len);
-	if (rb_node)
+	if (rb_node && !IS_ERR(rb_node))
 		node = container_of(rb_node, struct sdma_mmu_node, rb);
+	else
+		rb_node = NULL;
 
 	if (!node) {
 		node = kzalloc(sizeof(*node), GFP_KERNEL);
@@ -1107,7 +1111,8 @@
 			goto bail;
 		}
 		if (pinned != npages) {
-			unpin_vector_pages(current->mm, pages, pinned);
+			unpin_vector_pages(current->mm, pages, node->npages,
+					   pinned);
 			ret = -EFAULT;
 			goto bail;
 		}
@@ -1147,9 +1152,9 @@
 }
 
 static void unpin_vector_pages(struct mm_struct *mm, struct page **pages,
-			       unsigned npages)
+			       unsigned start, unsigned npages)
 {
-	hfi1_release_user_pages(mm, pages, npages, 0);
+	hfi1_release_user_pages(mm, pages + start, npages, 0);
 	kfree(pages);
 }
 
@@ -1502,7 +1507,7 @@
 				&req->pq->sdma_rb_root,
 				(unsigned long)req->iovs[i].iov.iov_base,
 				req->iovs[i].iov.iov_len);
-			if (!mnode)
+			if (!mnode || IS_ERR(mnode))
 				continue;
 
 			node = container_of(mnode, struct sdma_mmu_node, rb);
@@ -1547,7 +1552,7 @@
 }
 
 static void sdma_rb_remove(struct rb_root *root, struct mmu_rb_node *mnode,
-			   bool notifier)
+			   struct mm_struct *mm)
 {
 	struct sdma_mmu_node *node =
 		container_of(mnode, struct sdma_mmu_node, rb);
@@ -1557,14 +1562,20 @@
 	node->pq->n_locked -= node->npages;
 	spin_unlock(&node->pq->evict_lock);
 
-	unpin_vector_pages(notifier ? NULL : current->mm, node->pages,
+	/*
+	 * If mm is set, we are being called by the MMU notifier and we
+	 * should not pass a mm_struct to unpin_vector_page(). This is to
+	 * prevent a deadlock when hfi1_release_user_pages() attempts to
+	 * take the mmap_sem, which the MMU notifier has already taken.
+	 */
+	unpin_vector_pages(mm ? NULL : current->mm, node->pages, 0,
 			   node->npages);
 	/*
 	 * If called by the MMU notifier, we have to adjust the pinned
 	 * page count ourselves.
 	 */
-	if (notifier)
-		current->mm->pinned_vm -= node->npages;
+	if (mm)
+		mm->pinned_vm -= node->npages;
 	kfree(node);
 }
 
diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
index 36d0729..5e820b5 100644
--- a/drivers/thermal/hisi_thermal.c
+++ b/drivers/thermal/hisi_thermal.c
@@ -68,12 +68,12 @@
 	 * Every step equals (1 * 200) / 255 celsius, and finally
 	 * need convert to millicelsius.
 	 */
-	return (HISI_TEMP_BASE + (step * 200 / 255)) * 1000;
+	return (HISI_TEMP_BASE * 1000 + (step * 200000 / 255));
 }
 
 static inline long _temp_to_step(long temp)
 {
-	return ((temp / 1000 - HISI_TEMP_BASE) * 255 / 200);
+	return ((temp - HISI_TEMP_BASE * 1000) * 255) / 200000;
 }
 
 static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data,
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index f1db496..5133cd1 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -959,7 +959,7 @@
 	struct thermal_zone_device *tz = to_thermal_zone(dev);		\
 									\
 	if (tz->tzp)							\
-		return sprintf(buf, "%u\n", tz->tzp->name);		\
+		return sprintf(buf, "%d\n", tz->tzp->name);		\
 	else								\
 		return -EIO;						\
 	}								\
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 541ead4..85b8517 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -386,9 +386,7 @@
 	     atomic_read(&s->s_ref), atomic_read(&s->s_ref)-1);
 	if (atomic_dec_and_test(&s->s_ref)) {
 		if (s->s_auth.authorizer)
-			ceph_auth_destroy_authorizer(
-				s->s_mdsc->fsc->client->monc.auth,
-				s->s_auth.authorizer);
+			ceph_auth_destroy_authorizer(s->s_auth.authorizer);
 		kfree(s);
 	}
 }
@@ -3900,7 +3898,7 @@
 	struct ceph_auth_handshake *auth = &s->s_auth;
 
 	if (force_new && auth->authorizer) {
-		ceph_auth_destroy_authorizer(ac, auth->authorizer);
+		ceph_auth_destroy_authorizer(auth->authorizer);
 		auth->authorizer = NULL;
 	}
 	if (!auth->authorizer) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 719924d..dcad5e2 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1295,7 +1295,7 @@
 
 	*nbytesp = nbytes;
 
-	return ret;
+	return ret < 0 ? ret : 0;
 }
 
 static inline int fuse_iter_npages(const struct iov_iter *ii_p)
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 9aed6e2..13719d3 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2455,6 +2455,8 @@
 
 	spin_unlock(&dlm->spinlock);
 
+	ret = 0;
+
 done:
 	dlm_put(dlm);
 	return ret;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 229cb54..5415835 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1518,6 +1518,32 @@
 	return page;
 }
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+static struct page *can_gather_numa_stats_pmd(pmd_t pmd,
+					      struct vm_area_struct *vma,
+					      unsigned long addr)
+{
+	struct page *page;
+	int nid;
+
+	if (!pmd_present(pmd))
+		return NULL;
+
+	page = vm_normal_page_pmd(vma, addr, pmd);
+	if (!page)
+		return NULL;
+
+	if (PageReserved(page))
+		return NULL;
+
+	nid = page_to_nid(page);
+	if (!node_isset(nid, node_states[N_MEMORY]))
+		return NULL;
+
+	return page;
+}
+#endif
+
 static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
 		unsigned long end, struct mm_walk *walk)
 {
@@ -1527,14 +1553,14 @@
 	pte_t *orig_pte;
 	pte_t *pte;
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 	ptl = pmd_trans_huge_lock(pmd, vma);
 	if (ptl) {
-		pte_t huge_pte = *(pte_t *)pmd;
 		struct page *page;
 
-		page = can_gather_numa_stats(huge_pte, vma, addr);
+		page = can_gather_numa_stats_pmd(*pmd, vma, addr);
 		if (page)
-			gather_stats(page, md, pte_dirty(huge_pte),
+			gather_stats(page, md, pmd_dirty(*pmd),
 				     HPAGE_PMD_SIZE/PAGE_SIZE);
 		spin_unlock(ptl);
 		return 0;
@@ -1542,6 +1568,7 @@
 
 	if (pmd_trans_unstable(pmd))
 		return 0;
+#endif
 	orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
 	do {
 		struct page *page = can_gather_numa_stats(*pte, vma, addr);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index fa92fe8..36661ac 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -919,14 +919,14 @@
 #endif
 	}
 
-	ret = udf_CS0toUTF8(outstr, 31, pvoldesc->volIdent, 32);
+	ret = udf_dstrCS0toUTF8(outstr, 31, pvoldesc->volIdent, 32);
 	if (ret < 0)
 		goto out_bh;
 
 	strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret);
 	udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident);
 
-	ret = udf_CS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128);
+	ret = udf_dstrCS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128);
 	if (ret < 0)
 		goto out_bh;
 
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 972b706..263829e 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -212,7 +212,7 @@
 			    uint8_t *, int);
 extern int udf_put_filename(struct super_block *, const uint8_t *, int,
 			    uint8_t *, int);
-extern int udf_CS0toUTF8(uint8_t *, int, const uint8_t *, int);
+extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int);
 
 /* ialloc.c */
 extern void udf_free_inode(struct inode *);
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 3ff42f4..695389a 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -335,9 +335,21 @@
 	return u_len;
 }
 
-int udf_CS0toUTF8(uint8_t *utf_o, int o_len, const uint8_t *ocu_i, int i_len)
+int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len,
+		      const uint8_t *ocu_i, int i_len)
 {
-	return udf_name_from_CS0(utf_o, o_len, ocu_i, i_len,
+	int s_len = 0;
+
+	if (i_len > 0) {
+		s_len = ocu_i[i_len - 1];
+		if (s_len >= i_len) {
+			pr_err("incorrect dstring lengths (%d/%d)\n",
+			       s_len, i_len);
+			return -EINVAL;
+		}
+	}
+
+	return udf_name_from_CS0(utf_o, o_len, ocu_i, s_len,
 				 udf_uni2char_utf8, 0);
 }
 
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index f63afdc..8ee27b8 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -180,12 +180,13 @@
 void bpf_register_map_type(struct bpf_map_type_list *tl);
 
 struct bpf_prog *bpf_prog_get(u32 ufd);
+struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog);
 void bpf_prog_put(struct bpf_prog *prog);
 void bpf_prog_put_rcu(struct bpf_prog *prog);
 
 struct bpf_map *bpf_map_get_with_uref(u32 ufd);
 struct bpf_map *__bpf_map_get(struct fd f);
-void bpf_map_inc(struct bpf_map *map, bool uref);
+struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref);
 void bpf_map_put_with_uref(struct bpf_map *map);
 void bpf_map_put(struct bpf_map *map);
 int bpf_map_precharge_memlock(u32 pages);
diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h
index 260d78b..1563265 100644
--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -12,9 +12,12 @@
  */
 
 struct ceph_auth_client;
-struct ceph_authorizer;
 struct ceph_msg;
 
+struct ceph_authorizer {
+	void (*destroy)(struct ceph_authorizer *);
+};
+
 struct ceph_auth_handshake {
 	struct ceph_authorizer *authorizer;
 	void *authorizer_buf;
@@ -62,8 +65,6 @@
 				 struct ceph_auth_handshake *auth);
 	int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
 				       struct ceph_authorizer *a, size_t len);
-	void (*destroy_authorizer)(struct ceph_auth_client *ac,
-				   struct ceph_authorizer *a);
 	void (*invalidate_authorizer)(struct ceph_auth_client *ac,
 				      int peer_type);
 
@@ -112,8 +113,7 @@
 extern int ceph_auth_create_authorizer(struct ceph_auth_client *ac,
 				       int peer_type,
 				       struct ceph_auth_handshake *auth);
-extern void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac,
-					 struct ceph_authorizer *a);
+void ceph_auth_destroy_authorizer(struct ceph_authorizer *a);
 extern int ceph_auth_update_authorizer(struct ceph_auth_client *ac,
 				       int peer_type,
 				       struct ceph_auth_handshake *a);
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 4343df8..cbf4609 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -16,7 +16,6 @@
 struct ceph_snap_context;
 struct ceph_osd_request;
 struct ceph_osd_client;
-struct ceph_authorizer;
 
 /*
  * completion callback for async writepages
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 3e39ae5..5b17de6 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -444,6 +444,7 @@
 	int (*can_attach)(struct cgroup_taskset *tset);
 	void (*cancel_attach)(struct cgroup_taskset *tset);
 	void (*attach)(struct cgroup_taskset *tset);
+	void (*post_attach)(void);
 	int (*can_fork)(struct task_struct *task);
 	void (*cancel_fork)(struct task_struct *task);
 	void (*fork)(struct task_struct *task);
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index fea160e..85a868c 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -137,8 +137,6 @@
 	task_unlock(current);
 }
 
-extern void cpuset_post_attach_flush(void);
-
 #else /* !CONFIG_CPUSETS */
 
 static inline bool cpusets_enabled(void) { return false; }
@@ -245,10 +243,6 @@
 	return false;
 }
 
-static inline void cpuset_post_attach_flush(void)
-{
-}
-
 #endif /* !CONFIG_CPUSETS */
 
 #endif /* _LINUX_CPUSET_H */
diff --git a/include/linux/hash.h b/include/linux/hash.h
index 1afde47..79c52fa 100644
--- a/include/linux/hash.h
+++ b/include/linux/hash.h
@@ -32,12 +32,28 @@
 #error Wordsize not 32 or 64
 #endif
 
+/*
+ * The above primes are actively bad for hashing, since they are
+ * too sparse. The 32-bit one is mostly ok, the 64-bit one causes
+ * real problems. Besides, the "prime" part is pointless for the
+ * multiplicative hash.
+ *
+ * Although a random odd number will do, it turns out that the golden
+ * ratio phi = (sqrt(5)-1)/2, or its negative, has particularly nice
+ * properties.
+ *
+ * These are the negative, (1 - phi) = (phi^2) = (3 - sqrt(5))/2.
+ * (See Knuth vol 3, section 6.4, exercise 9.)
+ */
+#define GOLDEN_RATIO_32 0x61C88647
+#define GOLDEN_RATIO_64 0x61C8864680B583EBull
+
 static __always_inline u64 hash_64(u64 val, unsigned int bits)
 {
 	u64 hash = val;
 
-#if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64
-	hash = hash * GOLDEN_RATIO_PRIME_64;
+#if BITS_PER_LONG == 64
+	hash = hash * GOLDEN_RATIO_64;
 #else
 	/*  Sigh, gcc can't optimise this alone like it does for 32 bits. */
 	u64 n = hash;
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 7008623..d7b9e53 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -152,6 +152,7 @@
 }
 
 struct page *get_huge_zero_page(void);
+void put_huge_zero_page(void);
 
 #else /* CONFIG_TRANSPARENT_HUGEPAGE */
 #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
@@ -208,6 +209,10 @@
 	return false;
 }
 
+static inline void put_huge_zero_page(void)
+{
+	BUILD_BUG();
+}
 
 static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma,
 		unsigned long addr, pmd_t *pmd, int flags)
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index d556973..548fd53 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -28,6 +28,11 @@
 	return (struct ethhdr *)skb_mac_header(skb);
 }
 
+static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb)
+{
+	return (struct ethhdr *)skb_inner_mac_header(skb);
+}
+
 int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
 
 extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index d026b19..d10ef06 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -196,9 +196,11 @@
  * We record lock dependency chains, so that we can cache them:
  */
 struct lock_chain {
-	u8				irq_context;
-	u8				depth;
-	u16				base;
+	/* see BUILD_BUG_ON()s in lookup_chain_cache() */
+	unsigned int			irq_context :  2,
+					depth       :  6,
+					base	    : 24;
+	/* 4 byte hole */
 	struct hlist_node		entry;
 	u64				chain_key;
 };
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 6bd429b..8fecd6d 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -393,6 +393,17 @@
 	MLX5_CAP_OFF_CMDIF_CSUM		= 46,
 };
 
+enum {
+	/*
+	 * Max wqe size for rdma read is 512 bytes, so this
+	 * limits our max_sge_rd as the wqe needs to fit:
+	 * - ctrl segment (16 bytes)
+	 * - rdma segment (16 bytes)
+	 * - scatter elements (16 bytes each)
+	 */
+	MLX5_MAX_SGE_RD	= (512 - 16 - 16) / 16
+};
+
 struct mlx5_inbox_hdr {
 	__be16		opcode;
 	u8		rsvd[4];
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a55e5be..864d722 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1031,6 +1031,8 @@
 	page = compound_head(page);
 	if (atomic_read(compound_mapcount_ptr(page)) >= 0)
 		return true;
+	if (PageHuge(page))
+		return false;
 	for (i = 0; i < hpage_nr_pages(page); i++) {
 		if (atomic_read(&page[i]._mapcount) >= 0)
 			return true;
@@ -1138,6 +1140,8 @@
 
 struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
 		pte_t pte);
+struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
+				pmd_t pmd);
 
 int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
 		unsigned long size);
diff --git a/include/linux/net.h b/include/linux/net.h
index 72c1e06..9aa49a0 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -245,7 +245,15 @@
 	net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__)
 #define net_info_ratelimited(fmt, ...)				\
 	net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__)
-#if defined(DEBUG)
+#if defined(CONFIG_DYNAMIC_DEBUG)
+#define net_dbg_ratelimited(fmt, ...)					\
+do {									\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
+	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) &&	\
+	    net_ratelimit())						\
+		__dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__);	\
+} while (0)
+#elif defined(DEBUG)
 #define net_dbg_ratelimited(fmt, ...)				\
 	net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
 #else
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f218259..bcf0126 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3992,7 +3992,7 @@
 
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
-	netdev_features_t feature = gso_type << NETIF_F_GSO_SHIFT;
+	netdev_features_t feature = (netdev_features_t)gso_type << NETIF_F_GSO_SHIFT;
 
 	/* check flags correspondence */
 	BUILD_BUG_ON(SKB_GSO_TCPV4   != (NETIF_F_TSO >> NETIF_F_GSO_SHIFT));
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 8a0f55b..88e3ab4 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -375,6 +375,9 @@
 /**
  * struct vb2_ops - driver-specific callbacks
  *
+ * @verify_planes_array: Verify that a given user space structure contains
+ *			enough planes for the buffer. This is called
+ *			for each dequeued buffer.
  * @fill_user_buffer:	given a vb2_buffer fill in the userspace structure.
  *			For V4L2 this is a struct v4l2_buffer.
  * @fill_vb2_buffer:	given a userspace structure, fill in the vb2_buffer.
@@ -384,6 +387,7 @@
  *			the vb2_buffer struct.
  */
 struct vb2_buf_ops {
+	int (*verify_planes_array)(struct vb2_buffer *vb, const void *pb);
 	void (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
 	int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
 				struct vb2_plane *planes);
@@ -400,6 +404,9 @@
  * @fileio_read_once:		report EOF after reading the first buffer
  * @fileio_write_immediately:	queue buffer after each write() call
  * @allow_zero_bytesused:	allow bytesused == 0 to be passed to the driver
+ * @quirk_poll_must_check_waiting_for_buffers: Return POLLERR at poll when QBUF
+ *              has not been called. This is a vb1 idiom that has been adopted
+ *              also by vb2.
  * @lock:	pointer to a mutex that protects the vb2_queue struct. The
  *		driver can set this to a mutex to let the v4l2 core serialize
  *		the queuing ioctls. If the driver wants to handle locking
@@ -463,6 +470,7 @@
 	unsigned			fileio_read_once:1;
 	unsigned			fileio_write_immediately:1;
 	unsigned			allow_zero_bytesused:1;
+	unsigned		   quirk_poll_must_check_waiting_for_buffers:1;
 
 	struct mutex			*lock;
 	void				*owner;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 673e9f9..b880316 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -317,7 +317,9 @@
 	    (skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
 	     skb->inner_protocol != htons(ETH_P_TEB) ||
 	     (skb_inner_mac_header(skb) - skb_transport_header(skb) !=
-	      sizeof(struct udphdr) + sizeof(struct vxlanhdr))))
+	      sizeof(struct udphdr) + sizeof(struct vxlanhdr)) ||
+	     (skb->ip_summed != CHECKSUM_NONE &&
+	      !can_checksum_protocol(features, inner_eth_hdr(skb)->h_proto))))
 		return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 
 	return features;
diff --git a/include/rdma/ib.h b/include/rdma/ib.h
index cf8f9e7..a6b9370 100644
--- a/include/rdma/ib.h
+++ b/include/rdma/ib.h
@@ -34,6 +34,7 @@
 #define _RDMA_IB_H
 
 #include <linux/types.h>
+#include <linux/sched.h>
 
 struct ib_addr {
 	union {
@@ -86,4 +87,19 @@
 	__u64			sib_scope_id;
 };
 
+/*
+ * The IB interfaces that use write() as bi-directional ioctl() are
+ * fundamentally unsafe, since there are lots of ways to trigger "write()"
+ * calls from various contexts with elevated privileges. That includes the
+ * traditional suid executable error message writes, but also various kernel
+ * interfaces that can write to file descriptors.
+ *
+ * This function provides protection for the legacy API by restricting the
+ * calling context.
+ */
+static inline bool ib_safe_file_access(struct file *filp)
+{
+	return filp->f_cred == current_cred() && segment_eq(get_fs(), USER_DS);
+}
+
 #endif /* _RDMA_IB_H */
diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
index fa341fc..f5842bc 100644
--- a/include/sound/hda_i915.h
+++ b/include/sound/hda_i915.h
@@ -9,7 +9,7 @@
 #ifdef CONFIG_SND_HDA_I915
 int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
 int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
-int snd_hdac_get_display_clk(struct hdac_bus *bus);
+void snd_hdac_i915_set_bclk(struct hdac_bus *bus);
 int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate);
 int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
 			   bool *audio_enabled, char *buffer, int max_bytes);
@@ -25,9 +25,8 @@
 {
 	return 0;
 }
-static inline int snd_hdac_get_display_clk(struct hdac_bus *bus)
+static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
 {
-	return 0;
 }
 static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid,
 					   int rate)
diff --git a/include/uapi/linux/v4l2-dv-timings.h b/include/uapi/linux/v4l2-dv-timings.h
index c039f1d..086168e 100644
--- a/include/uapi/linux/v4l2-dv-timings.h
+++ b/include/uapi/linux/v4l2-dv-timings.h
@@ -183,7 +183,8 @@
 
 #define V4L2_DV_BT_CEA_3840X2160P24 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 1276, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -191,14 +192,16 @@
 
 #define V4L2_DV_BT_CEA_3840X2160P25 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_3840X2160P30 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -206,14 +209,16 @@
 
 #define V4L2_DV_BT_CEA_3840X2160P50 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_3840X2160P60 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -221,7 +226,8 @@
 
 #define V4L2_DV_BT_CEA_4096X2160P24 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 1020, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -229,14 +235,16 @@
 
 #define V4L2_DV_BT_CEA_4096X2160P25 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_4096X2160P30 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -244,14 +252,16 @@
 
 #define V4L2_DV_BT_CEA_4096X2160P50 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_4096X2160P60 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
index f2ece3c..8f94ca1 100644
--- a/kernel/bpf/inode.c
+++ b/kernel/bpf/inode.c
@@ -31,10 +31,10 @@
 {
 	switch (type) {
 	case BPF_TYPE_PROG:
-		atomic_inc(&((struct bpf_prog *)raw)->aux->refcnt);
+		raw = bpf_prog_inc(raw);
 		break;
 	case BPF_TYPE_MAP:
-		bpf_map_inc(raw, true);
+		raw = bpf_map_inc(raw, true);
 		break;
 	default:
 		WARN_ON_ONCE(1);
@@ -297,7 +297,8 @@
 		goto out;
 
 	raw = bpf_any_get(inode->i_private, *type);
-	touch_atime(&path);
+	if (!IS_ERR(raw))
+		touch_atime(&path);
 
 	path_put(&path);
 	return raw;
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index adc5e4b..cf5e9f7 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -218,11 +218,18 @@
 	return f.file->private_data;
 }
 
-void bpf_map_inc(struct bpf_map *map, bool uref)
+/* prog's and map's refcnt limit */
+#define BPF_MAX_REFCNT 32768
+
+struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref)
 {
-	atomic_inc(&map->refcnt);
+	if (atomic_inc_return(&map->refcnt) > BPF_MAX_REFCNT) {
+		atomic_dec(&map->refcnt);
+		return ERR_PTR(-EBUSY);
+	}
 	if (uref)
 		atomic_inc(&map->usercnt);
+	return map;
 }
 
 struct bpf_map *bpf_map_get_with_uref(u32 ufd)
@@ -234,7 +241,7 @@
 	if (IS_ERR(map))
 		return map;
 
-	bpf_map_inc(map, true);
+	map = bpf_map_inc(map, true);
 	fdput(f);
 
 	return map;
@@ -658,6 +665,15 @@
 	return f.file->private_data;
 }
 
+struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog)
+{
+	if (atomic_inc_return(&prog->aux->refcnt) > BPF_MAX_REFCNT) {
+		atomic_dec(&prog->aux->refcnt);
+		return ERR_PTR(-EBUSY);
+	}
+	return prog;
+}
+
 /* called by sockets/tracing/seccomp before attaching program to an event
  * pairs with bpf_prog_put()
  */
@@ -670,7 +686,7 @@
 	if (IS_ERR(prog))
 		return prog;
 
-	atomic_inc(&prog->aux->refcnt);
+	prog = bpf_prog_inc(prog);
 	fdput(f);
 
 	return prog;
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 56f1806..63554b6 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -249,16 +249,6 @@
 	[CONST_IMM]		= "imm",
 };
 
-static const struct {
-	int map_type;
-	int func_id;
-} func_limit[] = {
-	{BPF_MAP_TYPE_PROG_ARRAY, BPF_FUNC_tail_call},
-	{BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_read},
-	{BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_output},
-	{BPF_MAP_TYPE_STACK_TRACE, BPF_FUNC_get_stackid},
-};
-
 static void print_verifier_state(struct verifier_env *env)
 {
 	enum bpf_reg_type t;
@@ -943,27 +933,52 @@
 
 static int check_map_func_compatibility(struct bpf_map *map, int func_id)
 {
-	bool bool_map, bool_func;
-	int i;
-
 	if (!map)
 		return 0;
 
-	for (i = 0; i < ARRAY_SIZE(func_limit); i++) {
-		bool_map = (map->map_type == func_limit[i].map_type);
-		bool_func = (func_id == func_limit[i].func_id);
-		/* only when map & func pair match it can continue.
-		 * don't allow any other map type to be passed into
-		 * the special func;
-		 */
-		if (bool_func && bool_map != bool_func) {
-			verbose("cannot pass map_type %d into func %d\n",
-				map->map_type, func_id);
-			return -EINVAL;
-		}
+	/* We need a two way check, first is from map perspective ... */
+	switch (map->map_type) {
+	case BPF_MAP_TYPE_PROG_ARRAY:
+		if (func_id != BPF_FUNC_tail_call)
+			goto error;
+		break;
+	case BPF_MAP_TYPE_PERF_EVENT_ARRAY:
+		if (func_id != BPF_FUNC_perf_event_read &&
+		    func_id != BPF_FUNC_perf_event_output)
+			goto error;
+		break;
+	case BPF_MAP_TYPE_STACK_TRACE:
+		if (func_id != BPF_FUNC_get_stackid)
+			goto error;
+		break;
+	default:
+		break;
+	}
+
+	/* ... and second from the function itself. */
+	switch (func_id) {
+	case BPF_FUNC_tail_call:
+		if (map->map_type != BPF_MAP_TYPE_PROG_ARRAY)
+			goto error;
+		break;
+	case BPF_FUNC_perf_event_read:
+	case BPF_FUNC_perf_event_output:
+		if (map->map_type != BPF_MAP_TYPE_PERF_EVENT_ARRAY)
+			goto error;
+		break;
+	case BPF_FUNC_get_stackid:
+		if (map->map_type != BPF_MAP_TYPE_STACK_TRACE)
+			goto error;
+		break;
+	default:
+		break;
 	}
 
 	return 0;
+error:
+	verbose("cannot pass map_type %d into func %d\n",
+		map->map_type, func_id);
+	return -EINVAL;
 }
 
 static int check_raw_mode(const struct bpf_func_proto *fn)
@@ -2111,15 +2126,18 @@
 				return -E2BIG;
 			}
 
-			/* remember this map */
-			env->used_maps[env->used_map_cnt++] = map;
-
 			/* hold the map. If the program is rejected by verifier,
 			 * the map will be released by release_maps() or it
 			 * will be used by the valid program until it's unloaded
 			 * and all maps are released in free_bpf_prog_info()
 			 */
-			bpf_map_inc(map, false);
+			map = bpf_map_inc(map, false);
+			if (IS_ERR(map)) {
+				fdput(f);
+				return PTR_ERR(map);
+			}
+			env->used_maps[env->used_map_cnt++] = map;
+
 			fdput(f);
 next_insn:
 			insn++;
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 671dc05..909a7d3 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2825,9 +2825,10 @@
 				    size_t nbytes, loff_t off, bool threadgroup)
 {
 	struct task_struct *tsk;
+	struct cgroup_subsys *ss;
 	struct cgroup *cgrp;
 	pid_t pid;
-	int ret;
+	int ssid, ret;
 
 	if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0)
 		return -EINVAL;
@@ -2875,8 +2876,10 @@
 	rcu_read_unlock();
 out_unlock_threadgroup:
 	percpu_up_write(&cgroup_threadgroup_rwsem);
+	for_each_subsys(ss, ssid)
+		if (ss->post_attach)
+			ss->post_attach();
 	cgroup_kn_unlock(of->kn);
-	cpuset_post_attach_flush();
 	return ret ?: nbytes;
 }
 
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 00ab5c2..1902956 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -58,7 +58,6 @@
 #include <asm/uaccess.h>
 #include <linux/atomic.h>
 #include <linux/mutex.h>
-#include <linux/workqueue.h>
 #include <linux/cgroup.h>
 #include <linux/wait.h>
 
@@ -1016,7 +1015,7 @@
 	}
 }
 
-void cpuset_post_attach_flush(void)
+static void cpuset_post_attach(void)
 {
 	flush_workqueue(cpuset_migrate_mm_wq);
 }
@@ -2087,6 +2086,7 @@
 	.can_attach	= cpuset_can_attach,
 	.cancel_attach	= cpuset_cancel_attach,
 	.attach		= cpuset_attach,
+	.post_attach	= cpuset_post_attach,
 	.bind		= cpuset_bind,
 	.legacy_cftypes	= files,
 	.early_init	= true,
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 9eb23dc..0bdc6e7 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -412,7 +412,8 @@
 	if (ret || !write)
 		return ret;
 
-	if (sysctl_perf_cpu_time_max_percent == 100) {
+	if (sysctl_perf_cpu_time_max_percent == 100 ||
+	    sysctl_perf_cpu_time_max_percent == 0) {
 		printk(KERN_WARNING
 		       "perf: Dynamic interrupt throttling disabled, can hang your system!\n");
 		WRITE_ONCE(perf_sample_allowed_ns, 0);
@@ -1105,6 +1106,7 @@
  * function.
  *
  * Lock order:
+ *    cred_guard_mutex
  *	task_struct::perf_event_mutex
  *	  perf_event_context::mutex
  *	    perf_event::child_mutex;
@@ -3420,7 +3422,6 @@
 find_lively_task_by_vpid(pid_t vpid)
 {
 	struct task_struct *task;
-	int err;
 
 	rcu_read_lock();
 	if (!vpid)
@@ -3434,16 +3435,7 @@
 	if (!task)
 		return ERR_PTR(-ESRCH);
 
-	/* Reuse ptrace permission checks for now. */
-	err = -EACCES;
-	if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS))
-		goto errout;
-
 	return task;
-errout:
-	put_task_struct(task);
-	return ERR_PTR(err);
-
 }
 
 /*
@@ -8446,6 +8438,24 @@
 
 	get_online_cpus();
 
+	if (task) {
+		err = mutex_lock_interruptible(&task->signal->cred_guard_mutex);
+		if (err)
+			goto err_cpus;
+
+		/*
+		 * Reuse ptrace permission checks for now.
+		 *
+		 * We must hold cred_guard_mutex across this and any potential
+		 * perf_install_in_context() call for this new event to
+		 * serialize against exec() altering our credentials (and the
+		 * perf_event_exit_task() that could imply).
+		 */
+		err = -EACCES;
+		if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS))
+			goto err_cred;
+	}
+
 	if (flags & PERF_FLAG_PID_CGROUP)
 		cgroup_fd = pid;
 
@@ -8453,7 +8463,7 @@
 				 NULL, NULL, cgroup_fd);
 	if (IS_ERR(event)) {
 		err = PTR_ERR(event);
-		goto err_cpus;
+		goto err_cred;
 	}
 
 	if (is_sampling_event(event)) {
@@ -8512,11 +8522,6 @@
 		goto err_context;
 	}
 
-	if (task) {
-		put_task_struct(task);
-		task = NULL;
-	}
-
 	/*
 	 * Look up the group leader (we will attach this event to it):
 	 */
@@ -8614,6 +8619,11 @@
 
 	WARN_ON_ONCE(ctx->parent_ctx);
 
+	/*
+	 * This is the point on no return; we cannot fail hereafter. This is
+	 * where we start modifying current state.
+	 */
+
 	if (move_group) {
 		/*
 		 * See perf_event_ctx_lock() for comments on the details
@@ -8685,6 +8695,11 @@
 		mutex_unlock(&gctx->mutex);
 	mutex_unlock(&ctx->mutex);
 
+	if (task) {
+		mutex_unlock(&task->signal->cred_guard_mutex);
+		put_task_struct(task);
+	}
+
 	put_online_cpus();
 
 	mutex_lock(&current->perf_event_mutex);
@@ -8717,6 +8732,9 @@
 	 */
 	if (!event_file)
 		free_event(event);
+err_cred:
+	if (task)
+		mutex_unlock(&task->signal->cred_guard_mutex);
 err_cpus:
 	put_online_cpus();
 err_task:
@@ -9001,6 +9019,9 @@
 
 /*
  * When a child task exits, feed back event values to parent events.
+ *
+ * Can be called with cred_guard_mutex held when called from
+ * install_exec_creds().
  */
 void perf_event_exit_task(struct task_struct *child)
 {
diff --git a/kernel/kcov.c b/kernel/kcov.c
index 3efbee0..a02f2dd 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -1,5 +1,6 @@
 #define pr_fmt(fmt) "kcov: " fmt
 
+#define DISABLE_BRANCH_PROFILING
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/file.h>
@@ -43,7 +44,7 @@
  * Entry point from instrumented code.
  * This is called once per basic-block/edge.
  */
-void __sanitizer_cov_trace_pc(void)
+void notrace __sanitizer_cov_trace_pc(void)
 {
 	struct task_struct *t;
 	enum kcov_mode mode;
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 8d34308..1391d3e 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1415,6 +1415,9 @@
 	VMCOREINFO_OFFSET(page, lru);
 	VMCOREINFO_OFFSET(page, _mapcount);
 	VMCOREINFO_OFFSET(page, private);
+	VMCOREINFO_OFFSET(page, compound_dtor);
+	VMCOREINFO_OFFSET(page, compound_order);
+	VMCOREINFO_OFFSET(page, compound_head);
 	VMCOREINFO_OFFSET(pglist_data, node_zones);
 	VMCOREINFO_OFFSET(pglist_data, nr_zones);
 #ifdef CONFIG_FLAT_NODE_MEM_MAP
@@ -1447,8 +1450,8 @@
 #ifdef CONFIG_X86
 	VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE);
 #endif
-#ifdef CONFIG_HUGETLBFS
-	VMCOREINFO_SYMBOL(free_huge_page);
+#ifdef CONFIG_HUGETLB_PAGE
+	VMCOREINFO_NUMBER(HUGETLB_PAGE_DTOR);
 #endif
 
 	arch_crash_save_vmcoreinfo();
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index ed94109..78c1c0e 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2176,15 +2176,37 @@
 	chain->irq_context = hlock->irq_context;
 	i = get_first_held_lock(curr, hlock);
 	chain->depth = curr->lockdep_depth + 1 - i;
+
+	BUILD_BUG_ON((1UL << 24) <= ARRAY_SIZE(chain_hlocks));
+	BUILD_BUG_ON((1UL << 6)  <= ARRAY_SIZE(curr->held_locks));
+	BUILD_BUG_ON((1UL << 8*sizeof(chain_hlocks[0])) <= ARRAY_SIZE(lock_classes));
+
 	if (likely(nr_chain_hlocks + chain->depth <= MAX_LOCKDEP_CHAIN_HLOCKS)) {
 		chain->base = nr_chain_hlocks;
-		nr_chain_hlocks += chain->depth;
 		for (j = 0; j < chain->depth - 1; j++, i++) {
 			int lock_id = curr->held_locks[i].class_idx - 1;
 			chain_hlocks[chain->base + j] = lock_id;
 		}
 		chain_hlocks[chain->base + j] = class - lock_classes;
 	}
+
+	if (nr_chain_hlocks < MAX_LOCKDEP_CHAIN_HLOCKS)
+		nr_chain_hlocks += chain->depth;
+
+#ifdef CONFIG_DEBUG_LOCKDEP
+	/*
+	 * Important for check_no_collision().
+	 */
+	if (unlikely(nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS)) {
+		if (debug_locks_off_graph_unlock())
+			return 0;
+
+		print_lockdep_off("BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!");
+		dump_stack();
+		return 0;
+	}
+#endif
+
 	hlist_add_head_rcu(&chain->entry, hash_head);
 	debug_atomic_inc(chain_lookup_misses);
 	inc_chains();
@@ -2932,6 +2954,11 @@
 	return 1;
 }
 
+static inline unsigned int task_irq_context(struct task_struct *task)
+{
+	return 2 * !!task->hardirq_context + !!task->softirq_context;
+}
+
 static int separate_irq_context(struct task_struct *curr,
 		struct held_lock *hlock)
 {
@@ -2940,8 +2967,6 @@
 	/*
 	 * Keep track of points where we cross into an interrupt context:
 	 */
-	hlock->irq_context = 2*(curr->hardirq_context ? 1 : 0) +
-				curr->softirq_context;
 	if (depth) {
 		struct held_lock *prev_hlock;
 
@@ -2973,6 +2998,11 @@
 	return 1;
 }
 
+static inline unsigned int task_irq_context(struct task_struct *task)
+{
+	return 0;
+}
+
 static inline int separate_irq_context(struct task_struct *curr,
 		struct held_lock *hlock)
 {
@@ -3241,6 +3271,7 @@
 	hlock->acquire_ip = ip;
 	hlock->instance = lock;
 	hlock->nest_lock = nest_lock;
+	hlock->irq_context = task_irq_context(curr);
 	hlock->trylock = trylock;
 	hlock->read = read;
 	hlock->check = check;
diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c
index dbb61a3..a0f61ef 100644
--- a/kernel/locking/lockdep_proc.c
+++ b/kernel/locking/lockdep_proc.c
@@ -141,6 +141,8 @@
 	int i;
 
 	if (v == SEQ_START_TOKEN) {
+		if (nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS)
+			seq_printf(m, "(buggered) ");
 		seq_printf(m, "all lock chains:\n");
 		return 0;
 	}
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 2232ae3..3bfdff0 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -666,6 +666,35 @@
 	 */
 	smp_wmb();
 	set_work_data(work, (unsigned long)pool_id << WORK_OFFQ_POOL_SHIFT, 0);
+	/*
+	 * The following mb guarantees that previous clear of a PENDING bit
+	 * will not be reordered with any speculative LOADS or STORES from
+	 * work->current_func, which is executed afterwards.  This possible
+	 * reordering can lead to a missed execution on attempt to qeueue
+	 * the same @work.  E.g. consider this case:
+	 *
+	 *   CPU#0                         CPU#1
+	 *   ----------------------------  --------------------------------
+	 *
+	 * 1  STORE event_indicated
+	 * 2  queue_work_on() {
+	 * 3    test_and_set_bit(PENDING)
+	 * 4 }                             set_..._and_clear_pending() {
+	 * 5                                 set_work_data() # clear bit
+	 * 6                                 smp_mb()
+	 * 7                               work->current_func() {
+	 * 8				      LOAD event_indicated
+	 *				   }
+	 *
+	 * Without an explicit full barrier speculative LOAD on line 8 can
+	 * be executed before CPU#0 does STORE on line 1.  If that happens,
+	 * CPU#0 observes the PENDING bit is still set and new execution of
+	 * a @work is not queued in a hope, that CPU#1 will eventually
+	 * finish the queued @work.  Meanwhile CPU#1 does not see
+	 * event_indicated is set, because speculative LOAD was executed
+	 * before actual STORE.
+	 */
+	smp_mb();
 }
 
 static void clear_work_data(struct work_struct *work)
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 654c9d8..9e0b031 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -210,10 +210,6 @@
 		goto fast_exit;
 
 	hash = hash_stack(trace->entries, trace->nr_entries);
-	/* Bad luck, we won't store this stack. */
-	if (hash == 0)
-		goto exit;
-
 	bucket = &stack_table[hash & STACK_HASH_MASK];
 
 	/*
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 86f9f8b..df67b53 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -232,7 +232,7 @@
 	return READ_ONCE(huge_zero_page);
 }
 
-static void put_huge_zero_page(void)
+void put_huge_zero_page(void)
 {
 	/*
 	 * Counter should never go to zero here. Only shrinker can put
@@ -1684,12 +1684,12 @@
 	if (vma_is_dax(vma)) {
 		spin_unlock(ptl);
 		if (is_huge_zero_pmd(orig_pmd))
-			put_huge_zero_page();
+			tlb_remove_page(tlb, pmd_page(orig_pmd));
 	} else if (is_huge_zero_pmd(orig_pmd)) {
 		pte_free(tlb->mm, pgtable_trans_huge_withdraw(tlb->mm, pmd));
 		atomic_long_dec(&tlb->mm->nr_ptes);
 		spin_unlock(ptl);
-		put_huge_zero_page();
+		tlb_remove_page(tlb, pmd_page(orig_pmd));
 	} else {
 		struct page *page = pmd_page(orig_pmd);
 		page_remove_rmap(page, true);
@@ -1960,10 +1960,9 @@
 		 * page fault if needed.
 		 */
 		return 0;
-	if (vma->vm_ops)
+	if (vma->vm_ops || (vm_flags & VM_NO_THP))
 		/* khugepaged not yet working on file or special mappings */
 		return 0;
-	VM_BUG_ON_VMA(vm_flags & VM_NO_THP, vma);
 	hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
 	hend = vma->vm_end & HPAGE_PMD_MASK;
 	if (hstart < hend)
@@ -2352,8 +2351,7 @@
 		return false;
 	if (is_vma_temporary_stack(vma))
 		return false;
-	VM_BUG_ON_VMA(vma->vm_flags & VM_NO_THP, vma);
-	return true;
+	return !(vma->vm_flags & VM_NO_THP);
 }
 
 static void collapse_huge_page(struct mm_struct *mm,
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 36db05f..fe787f5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -207,6 +207,7 @@
 /* "mc" and its members are protected by cgroup_mutex */
 static struct move_charge_struct {
 	spinlock_t	  lock; /* for from, to */
+	struct mm_struct  *mm;
 	struct mem_cgroup *from;
 	struct mem_cgroup *to;
 	unsigned long flags;
@@ -4667,6 +4668,8 @@
 
 static void mem_cgroup_clear_mc(void)
 {
+	struct mm_struct *mm = mc.mm;
+
 	/*
 	 * we must clear moving_task before waking up waiters at the end of
 	 * task migration.
@@ -4676,7 +4679,10 @@
 	spin_lock(&mc.lock);
 	mc.from = NULL;
 	mc.to = NULL;
+	mc.mm = NULL;
 	spin_unlock(&mc.lock);
+
+	mmput(mm);
 }
 
 static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
@@ -4733,6 +4739,7 @@
 		VM_BUG_ON(mc.moved_swap);
 
 		spin_lock(&mc.lock);
+		mc.mm = mm;
 		mc.from = from;
 		mc.to = memcg;
 		mc.flags = move_flags;
@@ -4742,8 +4749,9 @@
 		ret = mem_cgroup_precharge_mc(mm);
 		if (ret)
 			mem_cgroup_clear_mc();
+	} else {
+		mmput(mm);
 	}
-	mmput(mm);
 	return ret;
 }
 
@@ -4852,11 +4860,11 @@
 	return ret;
 }
 
-static void mem_cgroup_move_charge(struct mm_struct *mm)
+static void mem_cgroup_move_charge(void)
 {
 	struct mm_walk mem_cgroup_move_charge_walk = {
 		.pmd_entry = mem_cgroup_move_charge_pte_range,
-		.mm = mm,
+		.mm = mc.mm,
 	};
 
 	lru_add_drain_all();
@@ -4868,7 +4876,7 @@
 	atomic_inc(&mc.from->moving_account);
 	synchronize_rcu();
 retry:
-	if (unlikely(!down_read_trylock(&mm->mmap_sem))) {
+	if (unlikely(!down_read_trylock(&mc.mm->mmap_sem))) {
 		/*
 		 * Someone who are holding the mmap_sem might be waiting in
 		 * waitq. So we cancel all extra charges, wake up all waiters,
@@ -4885,23 +4893,16 @@
 	 * additional charge, the page walk just aborts.
 	 */
 	walk_page_range(0, ~0UL, &mem_cgroup_move_charge_walk);
-	up_read(&mm->mmap_sem);
+	up_read(&mc.mm->mmap_sem);
 	atomic_dec(&mc.from->moving_account);
 }
 
-static void mem_cgroup_move_task(struct cgroup_taskset *tset)
+static void mem_cgroup_move_task(void)
 {
-	struct cgroup_subsys_state *css;
-	struct task_struct *p = cgroup_taskset_first(tset, &css);
-	struct mm_struct *mm = get_task_mm(p);
-
-	if (mm) {
-		if (mc.to)
-			mem_cgroup_move_charge(mm);
-		mmput(mm);
-	}
-	if (mc.to)
+	if (mc.to) {
+		mem_cgroup_move_charge();
 		mem_cgroup_clear_mc();
+	}
 }
 #else	/* !CONFIG_MMU */
 static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
@@ -4911,7 +4912,7 @@
 static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset)
 {
 }
-static void mem_cgroup_move_task(struct cgroup_taskset *tset)
+static void mem_cgroup_move_task(void)
 {
 }
 #endif
@@ -5195,7 +5196,7 @@
 	.css_reset = mem_cgroup_css_reset,
 	.can_attach = mem_cgroup_can_attach,
 	.cancel_attach = mem_cgroup_cancel_attach,
-	.attach = mem_cgroup_move_task,
+	.post_attach = mem_cgroup_move_task,
 	.bind = mem_cgroup_bind,
 	.dfl_cftypes = memory_files,
 	.legacy_cftypes = mem_cgroup_legacy_files,
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 78f5f26..ca5acee 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -888,7 +888,15 @@
 		}
 	}
 
-	return get_page_unless_zero(head);
+	if (get_page_unless_zero(head)) {
+		if (head == compound_head(page))
+			return 1;
+
+		pr_info("MCE: %#lx cannot catch tail\n", page_to_pfn(page));
+		put_page(head);
+	}
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(get_hwpoison_page);
 
diff --git a/mm/memory.c b/mm/memory.c
index 93897f2..305537f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -789,6 +789,46 @@
 	return pfn_to_page(pfn);
 }
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
+				pmd_t pmd)
+{
+	unsigned long pfn = pmd_pfn(pmd);
+
+	/*
+	 * There is no pmd_special() but there may be special pmds, e.g.
+	 * in a direct-access (dax) mapping, so let's just replicate the
+	 * !HAVE_PTE_SPECIAL case from vm_normal_page() here.
+	 */
+	if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {
+		if (vma->vm_flags & VM_MIXEDMAP) {
+			if (!pfn_valid(pfn))
+				return NULL;
+			goto out;
+		} else {
+			unsigned long off;
+			off = (addr - vma->vm_start) >> PAGE_SHIFT;
+			if (pfn == vma->vm_pgoff + off)
+				return NULL;
+			if (!is_cow_mapping(vma->vm_flags))
+				return NULL;
+		}
+	}
+
+	if (is_zero_pfn(pfn))
+		return NULL;
+	if (unlikely(pfn > highest_memmap_pfn))
+		return NULL;
+
+	/*
+	 * NOTE! We still have PageReserved() pages in the page tables.
+	 * eg. VDSO mappings can cause them to exist.
+	 */
+out:
+	return pfn_to_page(pfn);
+}
+#endif
+
 /*
  * copy one vm_area from one task to the other. Assumes the page tables
  * already present in the new task to be cleared in the whole range
diff --git a/mm/migrate.c b/mm/migrate.c
index 6c822a7..f9dfb18 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -975,7 +975,13 @@
 		dec_zone_page_state(page, NR_ISOLATED_ANON +
 				page_is_file_cache(page));
 		/* Soft-offlined page shouldn't go through lru cache list */
-		if (reason == MR_MEMORY_FAILURE) {
+		if (reason == MR_MEMORY_FAILURE && rc == MIGRATEPAGE_SUCCESS) {
+			/*
+			 * With this release, we free successfully migrated
+			 * page and set PG_HWPoison on just freed page
+			 * intentionally. Although it's rather weird, it's how
+			 * HWPoison flag works at the moment.
+			 */
 			put_page(page);
 			if (!test_set_page_hwpoison(page))
 				num_poisoned_pages_inc();
diff --git a/mm/page_io.c b/mm/page_io.c
index cd92e3d..985f23c 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -353,7 +353,11 @@
 
 	ret = bdev_read_page(sis->bdev, swap_page_sector(page), page);
 	if (!ret) {
-		swap_slot_free_notify(page);
+		if (trylock_page(page)) {
+			swap_slot_free_notify(page);
+			unlock_page(page);
+		}
+
 		count_vm_event(PSWPIN);
 		return 0;
 	}
diff --git a/mm/swap.c b/mm/swap.c
index a0bc206..03aacbc 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -728,6 +728,11 @@
 			zone = NULL;
 		}
 
+		if (is_huge_zero_page(page)) {
+			put_huge_zero_page();
+			continue;
+		}
+
 		page = compound_head(page);
 		if (!put_page_testzero(page))
 			continue;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b934223e..142cb61 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2553,7 +2553,7 @@
 		sc->gfp_mask |= __GFP_HIGHMEM;
 
 	for_each_zone_zonelist_nodemask(zone, z, zonelist,
-					requested_highidx, sc->nodemask) {
+					gfp_zone(sc->gfp_mask), sc->nodemask) {
 		enum zone_type classzone_idx;
 
 		if (!populated_zone(zone))
@@ -3318,6 +3318,20 @@
 	/* Try to sleep for a short interval */
 	if (prepare_kswapd_sleep(pgdat, order, remaining,
 						balanced_classzone_idx)) {
+		/*
+		 * Compaction records what page blocks it recently failed to
+		 * isolate pages from and skips them in the future scanning.
+		 * When kswapd is going to sleep, it is reasonable to assume
+		 * that pages and compaction may succeed so reset the cache.
+		 */
+		reset_isolation_suitable(pgdat);
+
+		/*
+		 * We have freed the memory, now we should compact it to make
+		 * allocation of the requested order possible.
+		 */
+		wakeup_kcompactd(pgdat, order, classzone_idx);
+
 		remaining = schedule_timeout(HZ/10);
 		finish_wait(&pgdat->kswapd_wait, &wait);
 		prepare_to_wait(&pgdat->kswapd_wait, &wait, TASK_INTERRUPTIBLE);
@@ -3341,20 +3355,6 @@
 		 */
 		set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold);
 
-		/*
-		 * Compaction records what page blocks it recently failed to
-		 * isolate pages from and skips them in the future scanning.
-		 * When kswapd is going to sleep, it is reasonable to assume
-		 * that pages and compaction may succeed so reset the cache.
-		 */
-		reset_isolation_suitable(pgdat);
-
-		/*
-		 * We have freed the memory, now we should compact it to make
-		 * allocation of the requested order possible.
-		 */
-		wakeup_kcompactd(pgdat, order, classzone_idx);
-
 		if (!kthread_should_stop())
 			schedule();
 
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index 3315b9a..4026f19 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -32,10 +32,21 @@
 
 #include "bat_v_elp.h"
 #include "bat_v_ogm.h"
+#include "hard-interface.h"
 #include "hash.h"
 #include "originator.h"
 #include "packet.h"
 
+static void batadv_v_iface_activate(struct batadv_hard_iface *hard_iface)
+{
+	/* B.A.T.M.A.N. V does not use any queuing mechanism, therefore it can
+	 * set the interface as ACTIVE right away, without any risk of race
+	 * condition
+	 */
+	if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED)
+		hard_iface->if_status = BATADV_IF_ACTIVE;
+}
+
 static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface)
 {
 	int ret;
@@ -274,6 +285,7 @@
 
 static struct batadv_algo_ops batadv_batman_v __read_mostly = {
 	.name = "BATMAN_V",
+	.bat_iface_activate = batadv_v_iface_activate,
 	.bat_iface_enable = batadv_v_iface_enable,
 	.bat_iface_disable = batadv_v_iface_disable,
 	.bat_iface_update_mac = batadv_v_iface_update_mac,
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index e96d7c7..3e6b262 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -568,6 +568,7 @@
  * be sent to
  * @bat_priv: the bat priv with all the soft interface information
  * @ip_dst: ipv4 to look up in the DHT
+ * @vid: VLAN identifier
  *
  * An originator O is selected if and only if its DHT_ID value is one of three
  * closest values (from the LEFT, with wrap around if needed) then the hash
@@ -576,7 +577,8 @@
  * Return: the candidate array of size BATADV_DAT_CANDIDATE_NUM.
  */
 static struct batadv_dat_candidate *
-batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst)
+batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst,
+			     unsigned short vid)
 {
 	int select;
 	batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key;
@@ -592,7 +594,7 @@
 		return NULL;
 
 	dat.ip = ip_dst;
-	dat.vid = 0;
+	dat.vid = vid;
 	ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat,
 						    BATADV_DAT_ADDR_MAX);
 
@@ -612,6 +614,7 @@
  * @bat_priv: the bat priv with all the soft interface information
  * @skb: payload to send
  * @ip: the DHT key
+ * @vid: VLAN identifier
  * @packet_subtype: unicast4addr packet subtype to use
  *
  * This function copies the skb with pskb_copy() and is sent as unicast packet
@@ -622,7 +625,7 @@
  */
 static bool batadv_dat_send_data(struct batadv_priv *bat_priv,
 				 struct sk_buff *skb, __be32 ip,
-				 int packet_subtype)
+				 unsigned short vid, int packet_subtype)
 {
 	int i;
 	bool ret = false;
@@ -631,7 +634,7 @@
 	struct sk_buff *tmp_skb;
 	struct batadv_dat_candidate *cand;
 
-	cand = batadv_dat_select_candidates(bat_priv, ip);
+	cand = batadv_dat_select_candidates(bat_priv, ip, vid);
 	if (!cand)
 		goto out;
 
@@ -1022,7 +1025,7 @@
 		ret = true;
 	} else {
 		/* Send the request to the DHT */
-		ret = batadv_dat_send_data(bat_priv, skb, ip_dst,
+		ret = batadv_dat_send_data(bat_priv, skb, ip_dst, vid,
 					   BATADV_P_DAT_DHT_GET);
 	}
 out:
@@ -1150,8 +1153,8 @@
 	/* Send the ARP reply to the candidates for both the IP addresses that
 	 * the node obtained from the ARP reply
 	 */
-	batadv_dat_send_data(bat_priv, skb, ip_src, BATADV_P_DAT_DHT_PUT);
-	batadv_dat_send_data(bat_priv, skb, ip_dst, BATADV_P_DAT_DHT_PUT);
+	batadv_dat_send_data(bat_priv, skb, ip_src, vid, BATADV_P_DAT_DHT_PUT);
+	batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_PUT);
 }
 
 /**
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index b22b277..0a7deaf 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -407,6 +407,9 @@
 
 	batadv_update_min_mtu(hard_iface->soft_iface);
 
+	if (bat_priv->bat_algo_ops->bat_iface_activate)
+		bat_priv->bat_algo_ops->bat_iface_activate(hard_iface);
+
 out:
 	if (primary_if)
 		batadv_hardif_put(primary_if);
@@ -572,8 +575,7 @@
 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
 	struct batadv_hard_iface *primary_if = NULL;
 
-	if (hard_iface->if_status == BATADV_IF_ACTIVE)
-		batadv_hardif_deactivate_interface(hard_iface);
+	batadv_hardif_deactivate_interface(hard_iface);
 
 	if (hard_iface->if_status != BATADV_IF_INACTIVE)
 		goto out;
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index e4cbb07..c355a82 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -250,7 +250,6 @@
 {
 	struct hlist_node *node_tmp;
 	struct batadv_neigh_node *neigh_node;
-	struct batadv_hardif_neigh_node *hardif_neigh;
 	struct batadv_neigh_ifinfo *neigh_ifinfo;
 	struct batadv_algo_ops *bao;
 
@@ -262,13 +261,7 @@
 		batadv_neigh_ifinfo_put(neigh_ifinfo);
 	}
 
-	hardif_neigh = batadv_hardif_neigh_get(neigh_node->if_incoming,
-					       neigh_node->addr);
-	if (hardif_neigh) {
-		/* batadv_hardif_neigh_get() increases refcount too */
-		batadv_hardif_neigh_put(hardif_neigh);
-		batadv_hardif_neigh_put(hardif_neigh);
-	}
+	batadv_hardif_neigh_put(neigh_node->hardif_neigh);
 
 	if (bao->bat_neigh_free)
 		bao->bat_neigh_free(neigh_node);
@@ -663,6 +656,11 @@
 	ether_addr_copy(neigh_node->addr, neigh_addr);
 	neigh_node->if_incoming = hard_iface;
 	neigh_node->orig_node = orig_node;
+	neigh_node->last_seen = jiffies;
+
+	/* increment unique neighbor refcount */
+	kref_get(&hardif_neigh->refcount);
+	neigh_node->hardif_neigh = hardif_neigh;
 
 	/* extra reference for return */
 	kref_init(&neigh_node->refcount);
@@ -672,9 +670,6 @@
 	hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);
 	spin_unlock_bh(&orig_node->neigh_list_lock);
 
-	/* increment unique neighbor refcount */
-	kref_get(&hardif_neigh->refcount);
-
 	batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv,
 		   "Creating new neighbor %pM for orig_node %pM on interface %s\n",
 		   neigh_addr, orig_node->orig, hard_iface->net_dev->name);
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 4dd646a..b781bf7 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -105,6 +105,15 @@
 		neigh_node = NULL;
 
 	spin_lock_bh(&orig_node->neigh_list_lock);
+	/* curr_router used earlier may not be the current orig_ifinfo->router
+	 * anymore because it was dereferenced outside of the neigh_list_lock
+	 * protected region. After the new best neighbor has replace the current
+	 * best neighbor the reference counter needs to decrease. Consequently,
+	 * the code needs to ensure the curr_router variable contains a pointer
+	 * to the replaced best neighbor.
+	 */
+	curr_router = rcu_dereference_protected(orig_ifinfo->router, true);
+
 	rcu_assign_pointer(orig_ifinfo->router, neigh_node);
 	spin_unlock_bh(&orig_node->neigh_list_lock);
 	batadv_orig_ifinfo_put(orig_ifinfo);
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 3ce06e0..7641785 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -675,6 +675,9 @@
 
 		if (pending) {
 			hlist_del(&forw_packet->list);
+			if (!forw_packet->own)
+				atomic_inc(&bat_priv->bcast_queue_left);
+
 			batadv_forw_packet_free(forw_packet);
 		}
 	}
@@ -702,6 +705,9 @@
 
 		if (pending) {
 			hlist_del(&forw_packet->list);
+			if (!forw_packet->own)
+				atomic_inc(&bat_priv->batman_queue_left);
+
 			batadv_forw_packet_free(forw_packet);
 		}
 	}
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 0710379..8a136b6 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -408,11 +408,17 @@
 	 */
 	nf_reset(skb);
 
+	if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
+		goto dropped;
+
 	vid = batadv_get_vid(skb, 0);
 	ethhdr = eth_hdr(skb);
 
 	switch (ntohs(ethhdr->h_proto)) {
 	case ETH_P_8021Q:
+		if (!pskb_may_pull(skb, VLAN_ETH_HLEN))
+			goto dropped;
+
 		vhdr = (struct vlan_ethhdr *)skb->data;
 
 		if (vhdr->h_vlan_encapsulated_proto != ethertype)
@@ -424,8 +430,6 @@
 	}
 
 	/* skb->dev & skb->pkt_type are set here */
-	if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
-		goto dropped;
 	skb->protocol = eth_type_trans(skb, soft_iface);
 
 	/* should not be necessary anymore as we use skb_pull_rcsum()
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 0b43e86..9b4551a 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -215,6 +215,8 @@
 	tt_local_entry = container_of(ref, struct batadv_tt_local_entry,
 				      common.refcount);
 
+	batadv_softif_vlan_put(tt_local_entry->vlan);
+
 	kfree_rcu(tt_local_entry, common.rcu);
 }
 
@@ -673,6 +675,7 @@
 	kref_get(&tt_local->common.refcount);
 	tt_local->last_seen = jiffies;
 	tt_local->common.added_at = tt_local->last_seen;
+	tt_local->vlan = vlan;
 
 	/* the batman interface mac and multicast addresses should never be
 	 * purged
@@ -991,7 +994,6 @@
 	struct batadv_tt_common_entry *tt_common_entry;
 	struct batadv_tt_local_entry *tt_local;
 	struct batadv_hard_iface *primary_if;
-	struct batadv_softif_vlan *vlan;
 	struct hlist_head *head;
 	unsigned short vid;
 	u32 i;
@@ -1027,14 +1029,6 @@
 			last_seen_msecs = last_seen_msecs % 1000;
 
 			no_purge = tt_common_entry->flags & np_flag;
-
-			vlan = batadv_softif_vlan_get(bat_priv, vid);
-			if (!vlan) {
-				seq_printf(seq, "Cannot retrieve VLAN %d\n",
-					   BATADV_PRINT_VID(vid));
-				continue;
-			}
-
 			seq_printf(seq,
 				   " * %pM %4i [%c%c%c%c%c%c] %3u.%03u   (%#.8x)\n",
 				   tt_common_entry->addr,
@@ -1052,9 +1046,7 @@
 				     BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'),
 				   no_purge ? 0 : last_seen_secs,
 				   no_purge ? 0 : last_seen_msecs,
-				   vlan->tt.crc);
-
-			batadv_softif_vlan_put(vlan);
+				   tt_local->vlan->tt.crc);
 		}
 		rcu_read_unlock();
 	}
@@ -1099,7 +1091,6 @@
 {
 	struct batadv_tt_local_entry *tt_local_entry;
 	u16 flags, curr_flags = BATADV_NO_FLAGS;
-	struct batadv_softif_vlan *vlan;
 	void *tt_entry_exists;
 
 	tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid);
@@ -1139,14 +1130,6 @@
 	/* extra call to free the local tt entry */
 	batadv_tt_local_entry_put(tt_local_entry);
 
-	/* decrease the reference held for this vlan */
-	vlan = batadv_softif_vlan_get(bat_priv, vid);
-	if (!vlan)
-		goto out;
-
-	batadv_softif_vlan_put(vlan);
-	batadv_softif_vlan_put(vlan);
-
 out:
 	if (tt_local_entry)
 		batadv_tt_local_entry_put(tt_local_entry);
@@ -1219,7 +1202,6 @@
 	spinlock_t *list_lock; /* protects write access to the hash lists */
 	struct batadv_tt_common_entry *tt_common_entry;
 	struct batadv_tt_local_entry *tt_local;
-	struct batadv_softif_vlan *vlan;
 	struct hlist_node *node_tmp;
 	struct hlist_head *head;
 	u32 i;
@@ -1241,14 +1223,6 @@
 						struct batadv_tt_local_entry,
 						common);
 
-			/* decrease the reference held for this vlan */
-			vlan = batadv_softif_vlan_get(bat_priv,
-						      tt_common_entry->vid);
-			if (vlan) {
-				batadv_softif_vlan_put(vlan);
-				batadv_softif_vlan_put(vlan);
-			}
-
 			batadv_tt_local_entry_put(tt_local);
 		}
 		spin_unlock_bh(list_lock);
@@ -3309,7 +3283,6 @@
 	struct batadv_hashtable *hash = bat_priv->tt.local_hash;
 	struct batadv_tt_common_entry *tt_common;
 	struct batadv_tt_local_entry *tt_local;
-	struct batadv_softif_vlan *vlan;
 	struct hlist_node *node_tmp;
 	struct hlist_head *head;
 	spinlock_t *list_lock; /* protects write access to the hash lists */
@@ -3339,13 +3312,6 @@
 						struct batadv_tt_local_entry,
 						common);
 
-			/* decrease the reference held for this vlan */
-			vlan = batadv_softif_vlan_get(bat_priv, tt_common->vid);
-			if (vlan) {
-				batadv_softif_vlan_put(vlan);
-				batadv_softif_vlan_put(vlan);
-			}
-
 			batadv_tt_local_entry_put(tt_local);
 		}
 		spin_unlock_bh(list_lock);
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 9abfb3e..1e47fbe 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -433,6 +433,7 @@
  * @ifinfo_lock: lock protecting private ifinfo members and list
  * @if_incoming: pointer to incoming hard-interface
  * @last_seen: when last packet via this neighbor was received
+ * @hardif_neigh: hardif_neigh of this neighbor
  * @refcount: number of contexts the object is used
  * @rcu: struct used for freeing in an RCU-safe manner
  */
@@ -444,6 +445,7 @@
 	spinlock_t ifinfo_lock;	/* protects ifinfo_list and its members */
 	struct batadv_hard_iface *if_incoming;
 	unsigned long last_seen;
+	struct batadv_hardif_neigh_node *hardif_neigh;
 	struct kref refcount;
 	struct rcu_head rcu;
 };
@@ -1073,10 +1075,12 @@
  * struct batadv_tt_local_entry - translation table local entry data
  * @common: general translation table data
  * @last_seen: timestamp used for purging stale tt local entries
+ * @vlan: soft-interface vlan of the entry
  */
 struct batadv_tt_local_entry {
 	struct batadv_tt_common_entry common;
 	unsigned long last_seen;
+	struct batadv_softif_vlan *vlan;
 };
 
 /**
@@ -1250,6 +1254,8 @@
  * struct batadv_algo_ops - mesh algorithm callbacks
  * @list: list node for the batadv_algo_list
  * @name: name of the algorithm
+ * @bat_iface_activate: start routing mechanisms when hard-interface is brought
+ *  up
  * @bat_iface_enable: init routing info when hard-interface is enabled
  * @bat_iface_disable: de-init routing info when hard-interface is disabled
  * @bat_iface_update_mac: (re-)init mac addresses of the protocol information
@@ -1277,6 +1283,7 @@
 struct batadv_algo_ops {
 	struct hlist_node list;
 	char *name;
+	void (*bat_iface_activate)(struct batadv_hard_iface *hard_iface);
 	int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface);
 	void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface);
 	void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface);
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index 6b923bc..2bc5965 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -293,13 +293,9 @@
 }
 EXPORT_SYMBOL(ceph_auth_create_authorizer);
 
-void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac,
-				  struct ceph_authorizer *a)
+void ceph_auth_destroy_authorizer(struct ceph_authorizer *a)
 {
-	mutex_lock(&ac->mutex);
-	if (ac->ops && ac->ops->destroy_authorizer)
-		ac->ops->destroy_authorizer(ac, a);
-	mutex_unlock(&ac->mutex);
+	a->destroy(a);
 }
 EXPORT_SYMBOL(ceph_auth_destroy_authorizer);
 
diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c
index 8c93fa8..5f836f0 100644
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -16,7 +16,6 @@
 	struct ceph_auth_none_info *xi = ac->private;
 
 	xi->starting = true;
-	xi->built_authorizer = false;
 }
 
 static void destroy(struct ceph_auth_client *ac)
@@ -39,6 +38,27 @@
 	return xi->starting;
 }
 
+static int ceph_auth_none_build_authorizer(struct ceph_auth_client *ac,
+					   struct ceph_none_authorizer *au)
+{
+	void *p = au->buf;
+	void *const end = p + sizeof(au->buf);
+	int ret;
+
+	ceph_encode_8_safe(&p, end, 1, e_range);
+	ret = ceph_entity_name_encode(ac->name, &p, end);
+	if (ret < 0)
+		return ret;
+
+	ceph_encode_64_safe(&p, end, ac->global_id, e_range);
+	au->buf_len = p - (void *)au->buf;
+	dout("%s built authorizer len %d\n", __func__, au->buf_len);
+	return 0;
+
+e_range:
+	return -ERANGE;
+}
+
 static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
 {
 	return 0;
@@ -57,32 +77,32 @@
 	return result;
 }
 
+static void ceph_auth_none_destroy_authorizer(struct ceph_authorizer *a)
+{
+	kfree(a);
+}
+
 /*
- * build an 'authorizer' with our entity_name and global_id.  we can
- * reuse a single static copy since it is identical for all services
- * we connect to.
+ * build an 'authorizer' with our entity_name and global_id.  it is
+ * identical for all services we connect to.
  */
 static int ceph_auth_none_create_authorizer(
 	struct ceph_auth_client *ac, int peer_type,
 	struct ceph_auth_handshake *auth)
 {
-	struct ceph_auth_none_info *ai = ac->private;
-	struct ceph_none_authorizer *au = &ai->au;
-	void *p, *end;
+	struct ceph_none_authorizer *au;
 	int ret;
 
-	if (!ai->built_authorizer) {
-		p = au->buf;
-		end = p + sizeof(au->buf);
-		ceph_encode_8(&p, 1);
-		ret = ceph_entity_name_encode(ac->name, &p, end - 8);
-		if (ret < 0)
-			goto bad;
-		ceph_decode_need(&p, end, sizeof(u64), bad2);
-		ceph_encode_64(&p, ac->global_id);
-		au->buf_len = p - (void *)au->buf;
-		ai->built_authorizer = true;
-		dout("built authorizer len %d\n", au->buf_len);
+	au = kmalloc(sizeof(*au), GFP_NOFS);
+	if (!au)
+		return -ENOMEM;
+
+	au->base.destroy = ceph_auth_none_destroy_authorizer;
+
+	ret = ceph_auth_none_build_authorizer(ac, au);
+	if (ret) {
+		kfree(au);
+		return ret;
 	}
 
 	auth->authorizer = (struct ceph_authorizer *) au;
@@ -92,17 +112,6 @@
 	auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
 
 	return 0;
-
-bad2:
-	ret = -ERANGE;
-bad:
-	return ret;
-}
-
-static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
-				      struct ceph_authorizer *a)
-{
-	/* nothing to do */
 }
 
 static const struct ceph_auth_client_ops ceph_auth_none_ops = {
@@ -114,7 +123,6 @@
 	.build_request = build_request,
 	.handle_reply = handle_reply,
 	.create_authorizer = ceph_auth_none_create_authorizer,
-	.destroy_authorizer = ceph_auth_none_destroy_authorizer,
 };
 
 int ceph_auth_none_init(struct ceph_auth_client *ac)
@@ -127,7 +135,6 @@
 		return -ENOMEM;
 
 	xi->starting = true;
-	xi->built_authorizer = false;
 
 	ac->protocol = CEPH_AUTH_NONE;
 	ac->private = xi;
diff --git a/net/ceph/auth_none.h b/net/ceph/auth_none.h
index 059a3ce..6202153 100644
--- a/net/ceph/auth_none.h
+++ b/net/ceph/auth_none.h
@@ -12,6 +12,7 @@
  */
 
 struct ceph_none_authorizer {
+	struct ceph_authorizer base;
 	char buf[128];
 	int buf_len;
 	char reply_buf[0];
@@ -19,8 +20,6 @@
 
 struct ceph_auth_none_info {
 	bool starting;
-	bool built_authorizer;
-	struct ceph_none_authorizer au;   /* we only need one; it's static */
 };
 
 int ceph_auth_none_init(struct ceph_auth_client *ac);
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index 9e43a31..a0905f0 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -565,6 +565,14 @@
 	return -EAGAIN;
 }
 
+static void ceph_x_destroy_authorizer(struct ceph_authorizer *a)
+{
+	struct ceph_x_authorizer *au = (void *)a;
+
+	ceph_x_authorizer_cleanup(au);
+	kfree(au);
+}
+
 static int ceph_x_create_authorizer(
 	struct ceph_auth_client *ac, int peer_type,
 	struct ceph_auth_handshake *auth)
@@ -581,6 +589,8 @@
 	if (!au)
 		return -ENOMEM;
 
+	au->base.destroy = ceph_x_destroy_authorizer;
+
 	ret = ceph_x_build_authorizer(ac, th, au);
 	if (ret) {
 		kfree(au);
@@ -643,16 +653,6 @@
 	return ret;
 }
 
-static void ceph_x_destroy_authorizer(struct ceph_auth_client *ac,
-				      struct ceph_authorizer *a)
-{
-	struct ceph_x_authorizer *au = (void *)a;
-
-	ceph_x_authorizer_cleanup(au);
-	kfree(au);
-}
-
-
 static void ceph_x_reset(struct ceph_auth_client *ac)
 {
 	struct ceph_x_info *xi = ac->private;
@@ -770,7 +770,6 @@
 	.create_authorizer = ceph_x_create_authorizer,
 	.update_authorizer = ceph_x_update_authorizer,
 	.verify_authorizer_reply = ceph_x_verify_authorizer_reply,
-	.destroy_authorizer = ceph_x_destroy_authorizer,
 	.invalidate_authorizer = ceph_x_invalidate_authorizer,
 	.reset =  ceph_x_reset,
 	.destroy = ceph_x_destroy,
diff --git a/net/ceph/auth_x.h b/net/ceph/auth_x.h
index 40b1a3c..21a5af9 100644
--- a/net/ceph/auth_x.h
+++ b/net/ceph/auth_x.h
@@ -26,6 +26,7 @@
 
 
 struct ceph_x_authorizer {
+	struct ceph_authorizer base;
 	struct ceph_crypto_key session_key;
 	struct ceph_buffer *buf;
 	unsigned int service;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 32355d9d..40a53a7 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1087,10 +1087,8 @@
 	dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref),
 	     atomic_read(&osd->o_ref) - 1);
 	if (atomic_dec_and_test(&osd->o_ref)) {
-		struct ceph_auth_client *ac = osd->o_osdc->client->monc.auth;
-
 		if (osd->o_auth.authorizer)
-			ceph_auth_destroy_authorizer(ac, osd->o_auth.authorizer);
+			ceph_auth_destroy_authorizer(osd->o_auth.authorizer);
 		kfree(osd);
 	}
 }
@@ -2984,7 +2982,7 @@
 	struct ceph_auth_handshake *auth = &o->o_auth;
 
 	if (force_new && auth->authorizer) {
-		ceph_auth_destroy_authorizer(ac, auth->authorizer);
+		ceph_auth_destroy_authorizer(auth->authorizer);
 		auth->authorizer = NULL;
 	}
 	if (!auth->authorizer) {
diff --git a/net/core/dev.c b/net/core/dev.c
index d91dfbe..673d1f1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2815,7 +2815,7 @@
 
 	if (skb->ip_summed != CHECKSUM_NONE &&
 	    !can_checksum_protocol(features, type)) {
-		features &= ~NETIF_F_CSUM_MASK;
+		features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 	} else if (illegal_highdma(skb->dev, skb)) {
 		features &= ~NETIF_F_SG;
 	}
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 3177211..77c20a4 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -438,6 +438,7 @@
 						     const struct sock *sk2,
 						     bool match_wildcard))
 {
+	struct inet_bind_bucket *tb = inet_csk(sk)->icsk_bind_hash;
 	struct sock *sk2;
 	kuid_t uid = sock_i_uid(sk);
 
@@ -446,6 +447,7 @@
 		    sk2->sk_family == sk->sk_family &&
 		    ipv6_only_sock(sk2) == ipv6_only_sock(sk) &&
 		    sk2->sk_bound_dev_if == sk->sk_bound_dev_if &&
+		    inet_csk(sk2)->icsk_bind_hash == tb &&
 		    sk2->sk_reuseport && uid_eq(uid, sock_i_uid(sk2)) &&
 		    saddr_same(sk, sk2, false))
 			return reuseport_add_sock(sk, sk2);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2480d79..b99213c 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -369,7 +369,8 @@
 	return ip_route_output_key(net, fl);
 }
 
-static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev)
+static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev,
+			__be16 proto)
 {
 	struct ip_tunnel_info *tun_info;
 	const struct ip_tunnel_key *key;
@@ -418,7 +419,7 @@
 		goto err_free_rt;
 
 	flags = tun_info->key.tun_flags & (TUNNEL_CSUM | TUNNEL_KEY);
-	gre_build_header(skb, tunnel_hlen, flags, htons(ETH_P_TEB),
+	gre_build_header(skb, tunnel_hlen, flags, proto,
 			 tunnel_id_to_key(tun_info->key.tun_id), 0);
 
 	df = key->tun_flags & TUNNEL_DONT_FRAGMENT ?  htons(IP_DF) : 0;
@@ -459,7 +460,7 @@
 	const struct iphdr *tnl_params;
 
 	if (tunnel->collect_md) {
-		gre_fb_xmit(skb, dev);
+		gre_fb_xmit(skb, dev, skb->protocol);
 		return NETDEV_TX_OK;
 	}
 
@@ -501,7 +502,7 @@
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
 	if (tunnel->collect_md) {
-		gre_fb_xmit(skb, dev);
+		gre_fb_xmit(skb, dev, htons(ETH_P_TEB));
 		return NETDEV_TX_OK;
 	}
 
@@ -732,7 +733,7 @@
 	netif_keep_dst(dev);
 	dev->addr_len		= 4;
 
-	if (iph->daddr) {
+	if (iph->daddr && !tunnel->collect_md) {
 #ifdef CONFIG_NET_IPGRE_BROADCAST
 		if (ipv4_is_multicast(iph->daddr)) {
 			if (!iph->saddr)
@@ -741,8 +742,9 @@
 			dev->header_ops = &ipgre_header_ops;
 		}
 #endif
-	} else
+	} else if (!tunnel->collect_md) {
 		dev->header_ops = &ipgre_header_ops;
+	}
 
 	return ip_tunnel_init(dev);
 }
@@ -785,6 +787,11 @@
 	if (flags & (GRE_VERSION|GRE_ROUTING))
 		return -EINVAL;
 
+	if (data[IFLA_GRE_COLLECT_METADATA] &&
+	    data[IFLA_GRE_ENCAP_TYPE] &&
+	    nla_get_u16(data[IFLA_GRE_ENCAP_TYPE]) != TUNNEL_ENCAP_NONE)
+		return -EINVAL;
+
 	return 0;
 }
 
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 6aad019..a69ed94 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -326,12 +326,12 @@
 
 		if (!IS_ERR(rt)) {
 			tdev = rt->dst.dev;
-			dst_cache_set_ip4(&tunnel->dst_cache, &rt->dst,
-					  fl4.saddr);
 			ip_rt_put(rt);
 		}
 		if (dev->type != ARPHRD_ETHER)
 			dev->flags |= IFF_POINTOPOINT;
+
+		dst_cache_reset(&tunnel->dst_cache);
 	}
 
 	if (!tdev && tunnel->parms.link)
diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c
index 4985e1a..17038e1 100644
--- a/net/ipv6/ila/ila_lwt.c
+++ b/net/ipv6/ila/ila_lwt.c
@@ -144,8 +144,7 @@
 
 static int ila_encap_nlsize(struct lwtunnel_state *lwtstate)
 {
-	/* No encapsulation overhead */
-	return 0;
+	return nla_total_size(sizeof(u64)); /* ILA_ATTR_LOCATOR */
 }
 
 static int ila_encap_cmp(struct lwtunnel_state *a, struct lwtunnel_state *b)
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index afca2eb..6edfa99 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1376,9 +1376,9 @@
 			memcpy(&udp_conf.peer_ip6, cfg->peer_ip6,
 			       sizeof(udp_conf.peer_ip6));
 			udp_conf.use_udp6_tx_checksums =
-			    cfg->udp6_zero_tx_checksums;
+			  ! cfg->udp6_zero_tx_checksums;
 			udp_conf.use_udp6_rx_checksums =
-			    cfg->udp6_zero_rx_checksums;
+			  ! cfg->udp6_zero_rx_checksums;
 		} else
 #endif
 		{
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6a33f0b..c59af3e 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1761,7 +1761,7 @@
 
 		ret = dev_alloc_name(ndev, ndev->name);
 		if (ret < 0) {
-			free_netdev(ndev);
+			ieee80211_if_free(ndev);
 			return ret;
 		}
 
@@ -1847,7 +1847,7 @@
 
 		ret = register_netdevice(ndev);
 		if (ret) {
-			free_netdev(ndev);
+			ieee80211_if_free(ndev);
 			return ret;
 		}
 	}
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index 61ed2a8..86187da 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -127,7 +127,7 @@
 
 /*
  * This is the only path that sets tc->t_sock.  Send and receive trust that
- * it is set.  The RDS_CONN_CONNECTED bit protects those paths from being
+ * it is set.  The RDS_CONN_UP bit protects those paths from being
  * called while it isn't set.
  */
 void rds_tcp_set_callbacks(struct socket *sock, struct rds_connection *conn)
@@ -216,6 +216,7 @@
 	if (!tc)
 		return -ENOMEM;
 
+	mutex_init(&tc->t_conn_lock);
 	tc->t_sock = NULL;
 	tc->t_tinc = NULL;
 	tc->t_tinc_hdr_rem = sizeof(struct rds_header);
diff --git a/net/rds/tcp.h b/net/rds/tcp.h
index 64f873c..41c2283 100644
--- a/net/rds/tcp.h
+++ b/net/rds/tcp.h
@@ -12,6 +12,10 @@
 
 	struct list_head	t_tcp_node;
 	struct rds_connection   *conn;
+	/* t_conn_lock synchronizes the connection establishment between
+	 * rds_tcp_accept_one and rds_tcp_conn_connect
+	 */
+	struct mutex		t_conn_lock;
 	struct socket		*t_sock;
 	void			*t_orig_write_space;
 	void			*t_orig_data_ready;
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index 5cb1687..49a3fcf 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c
@@ -78,7 +78,14 @@
 	struct socket *sock = NULL;
 	struct sockaddr_in src, dest;
 	int ret;
+	struct rds_tcp_connection *tc = conn->c_transport_data;
 
+	mutex_lock(&tc->t_conn_lock);
+
+	if (rds_conn_up(conn)) {
+		mutex_unlock(&tc->t_conn_lock);
+		return 0;
+	}
 	ret = sock_create_kern(rds_conn_net(conn), PF_INET,
 			       SOCK_STREAM, IPPROTO_TCP, &sock);
 	if (ret < 0)
@@ -120,6 +127,7 @@
 	}
 
 out:
+	mutex_unlock(&tc->t_conn_lock);
 	if (sock)
 		sock_release(sock);
 	return ret;
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 0936a4a..be263cd 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -76,7 +76,9 @@
 	struct rds_connection *conn;
 	int ret;
 	struct inet_sock *inet;
-	struct rds_tcp_connection *rs_tcp;
+	struct rds_tcp_connection *rs_tcp = NULL;
+	int conn_state;
+	struct sock *nsk;
 
 	ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family,
 			       sock->sk->sk_type, sock->sk->sk_protocol,
@@ -115,28 +117,44 @@
 	 * rds_tcp_state_change() will do that cleanup
 	 */
 	rs_tcp = (struct rds_tcp_connection *)conn->c_transport_data;
-	if (rs_tcp->t_sock &&
-	    ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) {
-		struct sock *nsk = new_sock->sk;
-
-		nsk->sk_user_data = NULL;
-		nsk->sk_prot->disconnect(nsk, 0);
-		tcp_done(nsk);
-		new_sock = NULL;
-		ret = 0;
-		goto out;
-	} else if (rs_tcp->t_sock) {
-		rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp);
-		conn->c_outgoing = 0;
-	}
-
 	rds_conn_transition(conn, RDS_CONN_DOWN, RDS_CONN_CONNECTING);
+	mutex_lock(&rs_tcp->t_conn_lock);
+	conn_state = rds_conn_state(conn);
+	if (conn_state != RDS_CONN_CONNECTING && conn_state != RDS_CONN_UP)
+		goto rst_nsk;
+	if (rs_tcp->t_sock) {
+		/* Need to resolve a duelling SYN between peers.
+		 * We have an outstanding SYN to this peer, which may
+		 * potentially have transitioned to the RDS_CONN_UP state,
+		 * so we must quiesce any send threads before resetting
+		 * c_transport_data.
+		 */
+		wait_event(conn->c_waitq,
+			   !test_bit(RDS_IN_XMIT, &conn->c_flags));
+		if (ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) {
+			goto rst_nsk;
+		} else if (rs_tcp->t_sock) {
+			rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp);
+			conn->c_outgoing = 0;
+		}
+	}
 	rds_tcp_set_callbacks(new_sock, conn);
-	rds_connect_complete(conn);
+	rds_connect_complete(conn); /* marks RDS_CONN_UP */
 	new_sock = NULL;
 	ret = 0;
-
+	goto out;
+rst_nsk:
+	/* reset the newly returned accept sock and bail */
+	nsk = new_sock->sk;
+	rds_tcp_stats_inc(s_tcp_listen_closed_stale);
+	nsk->sk_user_data = NULL;
+	nsk->sk_prot->disconnect(nsk, 0);
+	tcp_done(nsk);
+	new_sock = NULL;
+	ret = 0;
 out:
+	if (rs_tcp)
+		mutex_unlock(&rs_tcp->t_conn_lock);
 	if (new_sock)
 		sock_release(new_sock);
 	return ret;
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 491d6fd..205bed0 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -395,6 +395,25 @@
 	sch->q.qlen++;
 }
 
+/* netem can't properly corrupt a megapacket (like we get from GSO), so instead
+ * when we statistically choose to corrupt one, we instead segment it, returning
+ * the first packet to be corrupted, and re-enqueue the remaining frames
+ */
+static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch)
+{
+	struct sk_buff *segs;
+	netdev_features_t features = netif_skb_features(skb);
+
+	segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
+
+	if (IS_ERR_OR_NULL(segs)) {
+		qdisc_reshape_fail(skb, sch);
+		return NULL;
+	}
+	consume_skb(skb);
+	return segs;
+}
+
 /*
  * Insert one skb into qdisc.
  * Note: parent depends on return value to account for queue length.
@@ -407,7 +426,11 @@
 	/* We don't fill cb now as skb_unshare() may invalidate it */
 	struct netem_skb_cb *cb;
 	struct sk_buff *skb2;
+	struct sk_buff *segs = NULL;
+	unsigned int len = 0, last_len, prev_len = qdisc_pkt_len(skb);
+	int nb = 0;
 	int count = 1;
+	int rc = NET_XMIT_SUCCESS;
 
 	/* Random duplication */
 	if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor))
@@ -453,10 +476,23 @@
 	 * do it now in software before we mangle it.
 	 */
 	if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) {
+		if (skb_is_gso(skb)) {
+			segs = netem_segment(skb, sch);
+			if (!segs)
+				return NET_XMIT_DROP;
+		} else {
+			segs = skb;
+		}
+
+		skb = segs;
+		segs = segs->next;
+
 		if (!(skb = skb_unshare(skb, GFP_ATOMIC)) ||
 		    (skb->ip_summed == CHECKSUM_PARTIAL &&
-		     skb_checksum_help(skb)))
-			return qdisc_drop(skb, sch);
+		     skb_checksum_help(skb))) {
+			rc = qdisc_drop(skb, sch);
+			goto finish_segs;
+		}
 
 		skb->data[prandom_u32() % skb_headlen(skb)] ^=
 			1<<(prandom_u32() % 8);
@@ -516,6 +552,27 @@
 		sch->qstats.requeues++;
 	}
 
+finish_segs:
+	if (segs) {
+		while (segs) {
+			skb2 = segs->next;
+			segs->next = NULL;
+			qdisc_skb_cb(segs)->pkt_len = segs->len;
+			last_len = segs->len;
+			rc = qdisc_enqueue(segs, sch);
+			if (rc != NET_XMIT_SUCCESS) {
+				if (net_xmit_drop_count(rc))
+					qdisc_qstats_drop(sch);
+			} else {
+				nb++;
+				len += last_len;
+			}
+			segs = skb2;
+		}
+		sch->q.qlen += nb;
+		if (nb > 1)
+			qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len);
+	}
 	return NET_XMIT_SUCCESS;
 }
 
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 29cc853..d903f56 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1469,6 +1469,7 @@
 	int bearer_id = b->identity;
 	struct tipc_link_entry *le;
 	u16 bc_ack = msg_bcast_ack(hdr);
+	u32 self = tipc_own_addr(net);
 	int rc = 0;
 
 	__skb_queue_head_init(&xmitq);
@@ -1485,6 +1486,10 @@
 			return tipc_node_bc_rcv(net, skb, bearer_id);
 	}
 
+	/* Discard unicast link messages destined for another node */
+	if (unlikely(!msg_short(hdr) && (msg_destnode(hdr) != self)))
+		goto discard;
+
 	/* Locate neighboring node that sent packet */
 	n = tipc_node_find(net, msg_prevnode(hdr));
 	if (unlikely(!n))
diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output_kern.c
index 8d8d1ec..9b96f4f 100644
--- a/samples/bpf/trace_output_kern.c
+++ b/samples/bpf/trace_output_kern.c
@@ -18,7 +18,6 @@
 		u64 cookie;
 	} data;
 
-	memset(&data, 0, sizeof(data));
 	data.pid = bpf_get_current_pid_tgid();
 	data.cookie = 0x12345678;
 
diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c
index 023cc4c..626f3bb 100644
--- a/sound/hda/ext/hdac_ext_stream.c
+++ b/sound/hda/ext/hdac_ext_stream.c
@@ -104,12 +104,11 @@
  */
 void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus)
 {
-	struct hdac_stream *s;
+	struct hdac_stream *s, *_s;
 	struct hdac_ext_stream *stream;
 	struct hdac_bus *bus = ebus_to_hbus(ebus);
 
-	while (!list_empty(&bus->stream_list)) {
-		s = list_first_entry(&bus->stream_list, struct hdac_stream, list);
+	list_for_each_entry_safe(s, _s, &bus->stream_list, list) {
 		stream = stream_to_hdac_ext_stream(s);
 		snd_hdac_ext_stream_decouple(ebus, stream, false);
 		list_del(&s->list);
diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index 54babe1..607bbea 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -20,6 +20,7 @@
 #include <sound/core.h>
 #include <sound/hdaudio.h>
 #include <sound/hda_i915.h>
+#include <sound/hda_register.h>
 
 static struct i915_audio_component *hdac_acomp;
 
@@ -97,26 +98,65 @@
 }
 EXPORT_SYMBOL_GPL(snd_hdac_display_power);
 
+#define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
+				((pci)->device == 0x0c0c) || \
+				((pci)->device == 0x0d0c) || \
+				((pci)->device == 0x160c))
+
 /**
- * snd_hdac_get_display_clk - Get CDCLK in kHz
+ * snd_hdac_i915_set_bclk - Reprogram BCLK for HSW/BDW
  * @bus: HDA core bus
  *
- * This function is supposed to be used only by a HD-audio controller
- * driver that needs the interaction with i915 graphics.
+ * Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK
+ * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value)
+ * are used to convert CDClk (Core Display Clock) to 24MHz BCLK:
+ * BCLK = CDCLK * M / N
+ * The values will be lost when the display power well is disabled and need to
+ * be restored to avoid abnormal playback speed.
  *
- * This function queries CDCLK value in kHz from the graphics driver and
- * returns the value.  A negative code is returned in error.
+ * Call this function at initializing and changing power well, as well as
+ * at ELD notifier for the hotplug.
  */
-int snd_hdac_get_display_clk(struct hdac_bus *bus)
+void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
 {
 	struct i915_audio_component *acomp = bus->audio_component;
+	struct pci_dev *pci = to_pci_dev(bus->dev);
+	int cdclk_freq;
+	unsigned int bclk_m, bclk_n;
 
-	if (!acomp || !acomp->ops)
-		return -ENODEV;
+	if (!acomp || !acomp->ops || !acomp->ops->get_cdclk_freq)
+		return; /* only for i915 binding */
+	if (!CONTROLLER_IN_GPU(pci))
+		return; /* only HSW/BDW */
 
-	return acomp->ops->get_cdclk_freq(acomp->dev);
+	cdclk_freq = acomp->ops->get_cdclk_freq(acomp->dev);
+	switch (cdclk_freq) {
+	case 337500:
+		bclk_m = 16;
+		bclk_n = 225;
+		break;
+
+	case 450000:
+	default: /* default CDCLK 450MHz */
+		bclk_m = 4;
+		bclk_n = 75;
+		break;
+
+	case 540000:
+		bclk_m = 4;
+		bclk_n = 90;
+		break;
+
+	case 675000:
+		bclk_m = 8;
+		bclk_n = 225;
+		break;
+	}
+
+	snd_hdac_chip_writew(bus, HSW_EM4, bclk_m);
+	snd_hdac_chip_writew(bus, HSW_EM5, bclk_n);
 }
-EXPORT_SYMBOL_GPL(snd_hdac_get_display_clk);
+EXPORT_SYMBOL_GPL(snd_hdac_i915_set_bclk);
 
 /* There is a fixed mapping between audio pin node and display port
  * on current Intel platforms:
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 637b8a0..9a0d144 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -857,50 +857,6 @@
 #define azx_del_card_list(chip) /* NOP */
 #endif /* CONFIG_PM */
 
-/* Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK
- * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value)
- * are used to convert CDClk (Core Display Clock) to 24MHz BCLK:
- * BCLK = CDCLK * M / N
- * The values will be lost when the display power well is disabled and need to
- * be restored to avoid abnormal playback speed.
- */
-static void haswell_set_bclk(struct hda_intel *hda)
-{
-	struct azx *chip = &hda->chip;
-	int cdclk_freq;
-	unsigned int bclk_m, bclk_n;
-
-	if (!hda->need_i915_power)
-		return;
-
-	cdclk_freq = snd_hdac_get_display_clk(azx_bus(chip));
-	switch (cdclk_freq) {
-	case 337500:
-		bclk_m = 16;
-		bclk_n = 225;
-		break;
-
-	case 450000:
-	default: /* default CDCLK 450MHz */
-		bclk_m = 4;
-		bclk_n = 75;
-		break;
-
-	case 540000:
-		bclk_m = 4;
-		bclk_n = 90;
-		break;
-
-	case 675000:
-		bclk_m = 8;
-		bclk_n = 225;
-		break;
-	}
-
-	azx_writew(chip, HSW_EM4, bclk_m);
-	azx_writew(chip, HSW_EM5, bclk_n);
-}
-
 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
 /*
  * power management
@@ -958,7 +914,7 @@
 	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 		&& hda->need_i915_power) {
 		snd_hdac_display_power(azx_bus(chip), true);
-		haswell_set_bclk(hda);
+		snd_hdac_i915_set_bclk(azx_bus(chip));
 	}
 	if (chip->msi)
 		if (pci_enable_msi(pci) < 0)
@@ -1058,7 +1014,7 @@
 		bus = azx_bus(chip);
 		if (hda->need_i915_power) {
 			snd_hdac_display_power(bus, true);
-			haswell_set_bclk(hda);
+			snd_hdac_i915_set_bclk(bus);
 		} else {
 			/* toggle codec wakeup bit for STATESTS read */
 			snd_hdac_set_codec_wakeup(bus, true);
@@ -1796,12 +1752,8 @@
 	/* initialize chip */
 	azx_init_pci(chip);
 
-	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
-		struct hda_intel *hda;
-
-		hda = container_of(chip, struct hda_intel, chip);
-		haswell_set_bclk(hda);
-	}
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+		snd_hdac_i915_set_bclk(bus);
 
 	hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
 
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 40933aa..1483f85 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2232,6 +2232,7 @@
 	if (atomic_read(&(codec)->core.in_pm))
 		return;
 
+	snd_hdac_i915_set_bclk(&codec->bus->core);
 	check_presence_and_report(codec, pin_nid);
 }
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 810bcee..ac4490a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5584,6 +5584,7 @@
 	SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x503c, "Thinkpad L450", ALC292_FIXUP_TPT440_DOCK),
+	SND_PCI_QUIRK(0x17aa, 0x504a, "ThinkPad X260", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x504b, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
 	SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 649e92a..7ef3a0c 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -629,6 +629,7 @@
 
 config SND_SOC_RT5616
 	tristate "Realtek RT5616 CODEC"
+	depends on I2C
 
 config SND_SOC_RT5631
 	tristate "Realtek ALC5631/RT5631 CODEC"
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 92d22a0..8395931 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -249,6 +249,18 @@
 }
 EXPORT_SYMBOL_GPL(arizona_init_spk);
 
+int arizona_free_spk(struct snd_soc_codec *codec)
+{
+	struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+	struct arizona *arizona = priv->arizona;
+
+	arizona_free_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN, arizona);
+	arizona_free_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT, arizona);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(arizona_free_spk);
+
 static const struct snd_soc_dapm_route arizona_mono_routes[] = {
 	{ "OUT1R", NULL, "OUT1L" },
 	{ "OUT2R", NULL, "OUT2L" },
diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index 1ea8e4e..ce0531b 100644
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -307,6 +307,8 @@
 extern int arizona_init_gpio(struct snd_soc_codec *codec);
 extern int arizona_init_mono(struct snd_soc_codec *codec);
 
+extern int arizona_free_spk(struct snd_soc_codec *codec);
+
 extern int arizona_init_dai(struct arizona_priv *priv, int dai);
 
 int arizona_set_output_mode(struct snd_soc_codec *codec, int output,
diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index 44c30fe..287d137 100644
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -274,7 +274,9 @@
 	if (of_property_read_u32(np, "cirrus,sdout-share", &val) >= 0)
 		pdata->sdout_share = val;
 
-	of_property_read_u32(np, "cirrus,boost-manager", &val);
+	if (of_property_read_u32(np, "cirrus,boost-manager", &val))
+		val = -1u;
+
 	switch (val) {
 	case CS35L32_BOOST_MGR_AUTO:
 	case CS35L32_BOOST_MGR_AUTO_AUDIO:
@@ -282,13 +284,15 @@
 	case CS35L32_BOOST_MGR_FIXED:
 		pdata->boost_mng = val;
 		break;
+	case -1u:
 	default:
 		dev_err(&i2c_client->dev,
 			"Wrong cirrus,boost-manager DT value %d\n", val);
 		pdata->boost_mng = CS35L32_BOOST_MGR_BYPASS;
 	}
 
-	of_property_read_u32(np, "cirrus,sdout-datacfg", &val);
+	if (of_property_read_u32(np, "cirrus,sdout-datacfg", &val))
+		val = -1u;
 	switch (val) {
 	case CS35L32_DATA_CFG_LR_VP:
 	case CS35L32_DATA_CFG_LR_STAT:
@@ -296,13 +300,15 @@
 	case CS35L32_DATA_CFG_LR_VPSTAT:
 		pdata->sdout_datacfg = val;
 		break;
+	case -1u:
 	default:
 		dev_err(&i2c_client->dev,
 			"Wrong cirrus,sdout-datacfg DT value %d\n", val);
 		pdata->sdout_datacfg = CS35L32_DATA_CFG_LR;
 	}
 
-	of_property_read_u32(np, "cirrus,battery-threshold", &val);
+	if (of_property_read_u32(np, "cirrus,battery-threshold", &val))
+		val = -1u;
 	switch (val) {
 	case CS35L32_BATT_THRESH_3_1V:
 	case CS35L32_BATT_THRESH_3_2V:
@@ -310,13 +316,15 @@
 	case CS35L32_BATT_THRESH_3_4V:
 		pdata->batt_thresh = val;
 		break;
+	case -1u:
 	default:
 		dev_err(&i2c_client->dev,
 			"Wrong cirrus,battery-threshold DT value %d\n", val);
 		pdata->batt_thresh = CS35L32_BATT_THRESH_3_3V;
 	}
 
-	of_property_read_u32(np, "cirrus,battery-recovery", &val);
+	if (of_property_read_u32(np, "cirrus,battery-recovery", &val))
+		val = -1u;
 	switch (val) {
 	case CS35L32_BATT_RECOV_3_1V:
 	case CS35L32_BATT_RECOV_3_2V:
@@ -326,6 +334,7 @@
 	case CS35L32_BATT_RECOV_3_6V:
 		pdata->batt_recov = val;
 		break;
+	case -1u:
 	default:
 		dev_err(&i2c_client->dev,
 			"Wrong cirrus,battery-recovery DT value %d\n", val);
diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c
index 576087b..00e9b6fc 100644
--- a/sound/soc/codecs/cs47l24.c
+++ b/sound/soc/codecs/cs47l24.c
@@ -1108,6 +1108,9 @@
 	priv->core.arizona->dapm = NULL;
 
 	arizona_free_irq(arizona, ARIZONA_IRQ_DSP_IRQ1, priv);
+
+	arizona_free_spk(codec);
+
 	return 0;
 }
 
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index 26f9459..aaa038f 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -1420,33 +1420,40 @@
 }
 
 #ifdef CONFIG_PM
-static int hdmi_codec_resume(struct snd_soc_codec *codec)
+static int hdmi_codec_prepare(struct device *dev)
 {
-	struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec);
+	struct hdac_ext_device *edev = to_hda_ext_device(dev);
+	struct hdac_device *hdac = &edev->hdac;
+
+	pm_runtime_get_sync(&edev->hdac.dev);
+
+	/*
+	 * Power down afg.
+	 * codec_read is preferred over codec_write to set the power state.
+	 * This way verb is send to set the power state and response
+	 * is received. So setting power state is ensured without using loop
+	 * to read the state.
+	 */
+	snd_hdac_codec_read(hdac, hdac->afg, 0,	AC_VERB_SET_POWER_STATE,
+							AC_PWRST_D3);
+
+	return 0;
+}
+
+static void hdmi_codec_complete(struct device *dev)
+{
+	struct hdac_ext_device *edev = to_hda_ext_device(dev);
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
 	struct hdac_hdmi_pin *pin;
 	struct hdac_device *hdac = &edev->hdac;
-	struct hdac_bus *bus = hdac->bus;
-	int err;
-	unsigned long timeout;
+
+	/* Power up afg */
+	snd_hdac_codec_read(hdac, hdac->afg, 0,	AC_VERB_SET_POWER_STATE,
+							AC_PWRST_D0);
 
 	hdac_hdmi_skl_enable_all_pins(&edev->hdac);
 	hdac_hdmi_skl_enable_dp12(&edev->hdac);
 
-	/* Power up afg */
-	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) {
-
-		snd_hdac_codec_write(hdac, hdac->afg, 0,
-			AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
-
-		/* Wait till power state is set to D0 */
-		timeout = jiffies + msecs_to_jiffies(1000);
-		while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)
-				&& time_before(jiffies, timeout)) {
-			msleep(50);
-		}
-	}
-
 	/*
 	 * As the ELD notify callback request is not entertained while the
 	 * device is in suspend state. Need to manually check detection of
@@ -1455,28 +1462,16 @@
 	list_for_each_entry(pin, &hdmi->pin_list, head)
 		hdac_hdmi_present_sense(pin, 1);
 
-	/*
-	 * Codec power is turned ON during controller resume.
-	 * Turn it OFF here
-	 */
-	err = snd_hdac_display_power(bus, false);
-	if (err < 0) {
-		dev_err(bus->dev,
-			"Cannot turn OFF display power on i915, err: %d\n",
-			err);
-		return err;
-	}
-
-	return 0;
+	pm_runtime_put_sync(&edev->hdac.dev);
 }
 #else
-#define hdmi_codec_resume NULL
+#define hdmi_codec_prepare NULL
+#define hdmi_codec_complete NULL
 #endif
 
 static struct snd_soc_codec_driver hdmi_hda_codec = {
 	.probe		= hdmi_codec_probe,
 	.remove		= hdmi_codec_remove,
-	.resume		= hdmi_codec_resume,
 	.idle_bias_off	= true,
 };
 
@@ -1561,7 +1556,6 @@
 	struct hdac_ext_device *edev = to_hda_ext_device(dev);
 	struct hdac_device *hdac = &edev->hdac;
 	struct hdac_bus *bus = hdac->bus;
-	unsigned long timeout;
 	int err;
 
 	dev_dbg(dev, "Enter: %s\n", __func__);
@@ -1570,20 +1564,15 @@
 	if (!bus)
 		return 0;
 
-	/* Power down afg */
-	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) {
-		snd_hdac_codec_write(hdac, hdac->afg, 0,
-			AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
-
-		/* Wait till power state is set to D3 */
-		timeout = jiffies + msecs_to_jiffies(1000);
-		while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)
-				&& time_before(jiffies, timeout)) {
-
-			msleep(50);
-		}
-	}
-
+	/*
+	 * Power down afg.
+	 * codec_read is preferred over codec_write to set the power state.
+	 * This way verb is send to set the power state and response
+	 * is received. So setting power state is ensured without using loop
+	 * to read the state.
+	 */
+	snd_hdac_codec_read(hdac, hdac->afg, 0,	AC_VERB_SET_POWER_STATE,
+							AC_PWRST_D3);
 	err = snd_hdac_display_power(bus, false);
 	if (err < 0) {
 		dev_err(bus->dev, "Cannot turn on display power on i915\n");
@@ -1616,9 +1605,8 @@
 	hdac_hdmi_skl_enable_dp12(&edev->hdac);
 
 	/* Power up afg */
-	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0))
-		snd_hdac_codec_write(hdac, hdac->afg, 0,
-			AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
+	snd_hdac_codec_read(hdac, hdac->afg, 0,	AC_VERB_SET_POWER_STATE,
+							AC_PWRST_D0);
 
 	return 0;
 }
@@ -1629,6 +1617,8 @@
 
 static const struct dev_pm_ops hdac_hdmi_pm = {
 	SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL)
+	.prepare = hdmi_codec_prepare,
+	.complete = hdmi_codec_complete,
 };
 
 static const struct hda_device_id hdmi_list[] = {
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index 1c87299..683769f 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -343,9 +343,12 @@
 	SND_SOC_DAPM_SUPPLY("ADC Power", NAU8825_REG_ANALOG_ADC_2, 6, 0, NULL,
 		0),
 
-	/* ADC for button press detection */
-	SND_SOC_DAPM_ADC("SAR", NULL, NAU8825_REG_SAR_CTRL,
-		NAU8825_SAR_ADC_EN_SFT, 0),
+	/* ADC for button press detection. A dapm supply widget is used to
+	 * prevent dapm_power_widgets keeping the codec at SND_SOC_BIAS_ON
+	 * during suspend.
+	 */
+	SND_SOC_DAPM_SUPPLY("SAR", NAU8825_REG_SAR_CTRL,
+		NAU8825_SAR_ADC_EN_SFT, 0, NULL, 0),
 
 	SND_SOC_DAPM_PGA_S("ADACL", 2, NAU8825_REG_RDAC, 12, 0, NULL, 0),
 	SND_SOC_DAPM_PGA_S("ADACR", 2, NAU8825_REG_RDAC, 13, 0, NULL, 0),
@@ -607,6 +610,16 @@
 
 static void nau8825_restart_jack_detection(struct regmap *regmap)
 {
+	/* Chip needs one FSCLK cycle in order to generate interrupts,
+	 * as we cannot guarantee one will be provided by the system. Turning
+	 * master mode on then off enables us to generate that FSCLK cycle
+	 * with a minimum of contention on the clock bus.
+	 */
+	regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2,
+		NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_MASTER);
+	regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2,
+		NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_SLAVE);
+
 	/* this will restart the entire jack detection process including MIC/GND
 	 * switching and create interrupts. We have to go from 0 to 1 and back
 	 * to 0 to restart.
@@ -728,7 +741,10 @@
 	struct regmap *regmap = nau8825->regmap;
 	int active_irq, clear_irq = 0, event = 0, event_mask = 0;
 
-	regmap_read(regmap, NAU8825_REG_IRQ_STATUS, &active_irq);
+	if (regmap_read(regmap, NAU8825_REG_IRQ_STATUS, &active_irq)) {
+		dev_err(nau8825->dev, "failed to read irq status\n");
+		return IRQ_NONE;
+	}
 
 	if ((active_irq & NAU8825_JACK_EJECTION_IRQ_MASK) ==
 		NAU8825_JACK_EJECTION_DETECTED) {
@@ -1141,33 +1157,74 @@
 					return ret;
 				}
 			}
-
-			ret = regcache_sync(nau8825->regmap);
-			if (ret) {
-				dev_err(codec->dev,
-					"Failed to sync cache: %d\n", ret);
-				return ret;
-			}
 		}
-
 		break;
 
 	case SND_SOC_BIAS_OFF:
 		if (nau8825->mclk_freq)
 			clk_disable_unprepare(nau8825->mclk);
-
-		regcache_mark_dirty(nau8825->regmap);
 		break;
 	}
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int nau8825_suspend(struct snd_soc_codec *codec)
+{
+	struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec);
+
+	disable_irq(nau8825->irq);
+	regcache_cache_only(nau8825->regmap, true);
+	regcache_mark_dirty(nau8825->regmap);
+
+	return 0;
+}
+
+static int nau8825_resume(struct snd_soc_codec *codec)
+{
+	struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec);
+
+	/* The chip may lose power and reset in S3. regcache_sync restores
+	 * register values including configurations for sysclk, irq, and
+	 * jack/button detection.
+	 */
+	regcache_cache_only(nau8825->regmap, false);
+	regcache_sync(nau8825->regmap);
+
+	/* Check the jack plug status directly. If the headset is unplugged
+	 * during S3 when the chip has no power, there will be no jack
+	 * detection irq even after the nau8825_restart_jack_detection below,
+	 * because the chip just thinks no headset has ever been plugged in.
+	 */
+	if (!nau8825_is_jack_inserted(nau8825->regmap)) {
+		nau8825_eject_jack(nau8825);
+		snd_soc_jack_report(nau8825->jack, 0, SND_JACK_HEADSET);
+	}
+
+	enable_irq(nau8825->irq);
+
+	/* Run jack detection to check the type (OMTP or CTIA) of the headset
+	 * if there is one. This handles the case where a different type of
+	 * headset is plugged in during S3. This triggers an IRQ iff a headset
+	 * is already plugged in.
+	 */
+	nau8825_restart_jack_detection(nau8825->regmap);
+
+	return 0;
+}
+#else
+#define nau8825_suspend NULL
+#define nau8825_resume NULL
+#endif
+
 static struct snd_soc_codec_driver nau8825_codec_driver = {
 	.probe = nau8825_codec_probe,
 	.set_sysclk = nau8825_set_sysclk,
 	.set_pll = nau8825_set_pll,
 	.set_bias_level = nau8825_set_bias_level,
 	.suspend_bias_off = true,
+	.suspend = nau8825_suspend,
+	.resume = nau8825_resume,
 
 	.controls = nau8825_controls,
 	.num_controls = ARRAY_SIZE(nau8825_controls),
@@ -1277,16 +1334,6 @@
 	regmap_update_bits(regmap, NAU8825_REG_ENA_CTRL,
 		NAU8825_ENABLE_DACR, NAU8825_ENABLE_DACR);
 
-	/* Chip needs one FSCLK cycle in order to generate interrupts,
-	 * as we cannot guarantee one will be provided by the system. Turning
-	 * master mode on then off enables us to generate that FSCLK cycle
-	 * with a minimum of contention on the clock bus.
-	 */
-	regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2,
-		NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_MASTER);
-	regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2,
-		NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_SLAVE);
-
 	ret = devm_request_threaded_irq(nau8825->dev, nau8825->irq, NULL,
 		nau8825_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 		"nau8825", nau8825);
@@ -1354,36 +1401,6 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int nau8825_suspend(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct nau8825 *nau8825 = dev_get_drvdata(dev);
-
-	disable_irq(client->irq);
-	regcache_cache_only(nau8825->regmap, true);
-	regcache_mark_dirty(nau8825->regmap);
-
-	return 0;
-}
-
-static int nau8825_resume(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct nau8825 *nau8825 = dev_get_drvdata(dev);
-
-	regcache_cache_only(nau8825->regmap, false);
-	regcache_sync(nau8825->regmap);
-	enable_irq(client->irq);
-
-	return 0;
-}
-#endif
-
-static const struct dev_pm_ops nau8825_pm = {
-	SET_SYSTEM_SLEEP_PM_OPS(nau8825_suspend, nau8825_resume)
-};
-
 static const struct i2c_device_id nau8825_i2c_ids[] = {
 	{ "nau8825", 0 },
 	{ }
@@ -1410,7 +1427,6 @@
 		.name = "nau8825",
 		.of_match_table = of_match_ptr(nau8825_of_ids),
 		.acpi_match_table = ACPI_PTR(nau8825_acpi_match),
-		.pm = &nau8825_pm,
 	},
 	.probe = nau8825_i2c_probe,
 	.remove = nau8825_i2c_remove,
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index e8b5ba0..09e8988 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -359,7 +359,7 @@
 
 /* Interface data select */
 static const char * const rt5640_data_select[] = {
-	"Normal", "left copy to right", "right copy to left", "Swap"};
+	"Normal", "Swap", "left copy to right", "right copy to left"};
 
 static SOC_ENUM_SINGLE_DECL(rt5640_if1_dac_enum, RT5640_DIG_INF_DATA,
 			    RT5640_IF1_DAC_SEL_SFT, rt5640_data_select);
diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h
index 1761c3a9..58b664b 100644
--- a/sound/soc/codecs/rt5640.h
+++ b/sound/soc/codecs/rt5640.h
@@ -443,39 +443,39 @@
 #define RT5640_IF1_DAC_SEL_MASK			(0x3 << 14)
 #define RT5640_IF1_DAC_SEL_SFT			14
 #define RT5640_IF1_DAC_SEL_NOR			(0x0 << 14)
-#define RT5640_IF1_DAC_SEL_L2R			(0x1 << 14)
-#define RT5640_IF1_DAC_SEL_R2L			(0x2 << 14)
-#define RT5640_IF1_DAC_SEL_SWAP			(0x3 << 14)
+#define RT5640_IF1_DAC_SEL_SWAP			(0x1 << 14)
+#define RT5640_IF1_DAC_SEL_L2R			(0x2 << 14)
+#define RT5640_IF1_DAC_SEL_R2L			(0x3 << 14)
 #define RT5640_IF1_ADC_SEL_MASK			(0x3 << 12)
 #define RT5640_IF1_ADC_SEL_SFT			12
 #define RT5640_IF1_ADC_SEL_NOR			(0x0 << 12)
-#define RT5640_IF1_ADC_SEL_L2R			(0x1 << 12)
-#define RT5640_IF1_ADC_SEL_R2L			(0x2 << 12)
-#define RT5640_IF1_ADC_SEL_SWAP			(0x3 << 12)
+#define RT5640_IF1_ADC_SEL_SWAP			(0x1 << 12)
+#define RT5640_IF1_ADC_SEL_L2R			(0x2 << 12)
+#define RT5640_IF1_ADC_SEL_R2L			(0x3 << 12)
 #define RT5640_IF2_DAC_SEL_MASK			(0x3 << 10)
 #define RT5640_IF2_DAC_SEL_SFT			10
 #define RT5640_IF2_DAC_SEL_NOR			(0x0 << 10)
-#define RT5640_IF2_DAC_SEL_L2R			(0x1 << 10)
-#define RT5640_IF2_DAC_SEL_R2L			(0x2 << 10)
-#define RT5640_IF2_DAC_SEL_SWAP			(0x3 << 10)
+#define RT5640_IF2_DAC_SEL_SWAP			(0x1 << 10)
+#define RT5640_IF2_DAC_SEL_L2R			(0x2 << 10)
+#define RT5640_IF2_DAC_SEL_R2L			(0x3 << 10)
 #define RT5640_IF2_ADC_SEL_MASK			(0x3 << 8)
 #define RT5640_IF2_ADC_SEL_SFT			8
 #define RT5640_IF2_ADC_SEL_NOR			(0x0 << 8)
-#define RT5640_IF2_ADC_SEL_L2R			(0x1 << 8)
-#define RT5640_IF2_ADC_SEL_R2L			(0x2 << 8)
-#define RT5640_IF2_ADC_SEL_SWAP			(0x3 << 8)
+#define RT5640_IF2_ADC_SEL_SWAP			(0x1 << 8)
+#define RT5640_IF2_ADC_SEL_L2R			(0x2 << 8)
+#define RT5640_IF2_ADC_SEL_R2L			(0x3 << 8)
 #define RT5640_IF3_DAC_SEL_MASK			(0x3 << 6)
 #define RT5640_IF3_DAC_SEL_SFT			6
 #define RT5640_IF3_DAC_SEL_NOR			(0x0 << 6)
-#define RT5640_IF3_DAC_SEL_L2R			(0x1 << 6)
-#define RT5640_IF3_DAC_SEL_R2L			(0x2 << 6)
-#define RT5640_IF3_DAC_SEL_SWAP			(0x3 << 6)
+#define RT5640_IF3_DAC_SEL_SWAP			(0x1 << 6)
+#define RT5640_IF3_DAC_SEL_L2R			(0x2 << 6)
+#define RT5640_IF3_DAC_SEL_R2L			(0x3 << 6)
 #define RT5640_IF3_ADC_SEL_MASK			(0x3 << 4)
 #define RT5640_IF3_ADC_SEL_SFT			4
 #define RT5640_IF3_ADC_SEL_NOR			(0x0 << 4)
-#define RT5640_IF3_ADC_SEL_L2R			(0x1 << 4)
-#define RT5640_IF3_ADC_SEL_R2L			(0x2 << 4)
-#define RT5640_IF3_ADC_SEL_SWAP			(0x3 << 4)
+#define RT5640_IF3_ADC_SEL_SWAP			(0x1 << 4)
+#define RT5640_IF3_ADC_SEL_L2R			(0x2 << 4)
+#define RT5640_IF3_ADC_SEL_R2L			(0x3 << 4)
 
 /* REC Left Mixer Control 1 (0x3b) */
 #define RT5640_G_HP_L_RM_L_MASK			(0x7 << 13)
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index a8b3e3f..1bae17e 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -1955,11 +1955,16 @@
 static int wm5102_codec_remove(struct snd_soc_codec *codec)
 {
 	struct wm5102_priv *priv = snd_soc_codec_get_drvdata(codec);
+	struct arizona *arizona = priv->core.arizona;
 
 	wm_adsp2_codec_remove(&priv->core.adsp[0], codec);
 
 	priv->core.arizona->dapm = NULL;
 
+	arizona_free_irq(arizona, ARIZONA_IRQ_DSP_IRQ1, priv);
+
+	arizona_free_spk(codec);
+
 	return 0;
 }
 
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index 83ba70f..2728ac5 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -2298,6 +2298,8 @@
 
 	arizona_free_irq(arizona, ARIZONA_IRQ_DSP_IRQ1, priv);
 
+	arizona_free_spk(codec);
+
 	return 0;
 }
 
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 8822360..720a14e 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2471,7 +2471,7 @@
 		break;
 	default:
 		dev_warn(codec->dev, "Unknown DSPCLK divisor read back\n");
-		dspclk = wm8962->sysclk;
+		dspclk = wm8962->sysclk_rate;
 	}
 
 	dev_dbg(codec->dev, "DSPCLK is %dHz, BCLK %d\n", dspclk, wm8962->bclk);
diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c
index 52d766e..6b0785b 100644
--- a/sound/soc/codecs/wm8997.c
+++ b/sound/soc/codecs/wm8997.c
@@ -1072,6 +1072,8 @@
 
 	priv->core.arizona->dapm = NULL;
 
+	arizona_free_spk(codec);
+
 	return 0;
 }
 
diff --git a/sound/soc/codecs/wm8998.c b/sound/soc/codecs/wm8998.c
index 0123960..449f666 100644
--- a/sound/soc/codecs/wm8998.c
+++ b/sound/soc/codecs/wm8998.c
@@ -1324,6 +1324,8 @@
 
 	priv->core.arizona->dapm = NULL;
 
+	arizona_free_spk(codec);
+
 	return 0;
 }
 
diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig
index b3e6c23..1120f4f 100644
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -163,7 +163,6 @@
 	tristate
 	select SND_HDA_EXT_CORE
 	select SND_SOC_TOPOLOGY
-	select SND_HDA_I915
 	select SND_SOC_INTEL_SST
 
 config SND_SOC_INTEL_SKL_RT286_MACH
diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c
index ac60f13..9156522 100644
--- a/sound/soc/intel/haswell/sst-haswell-ipc.c
+++ b/sound/soc/intel/haswell/sst-haswell-ipc.c
@@ -1345,7 +1345,7 @@
 		return 0;
 
 	/* wait for pause to complete before we reset the stream */
-	while (stream->running && tries--)
+	while (stream->running && --tries)
 		msleep(1);
 	if (!tries) {
 		dev_err(hsw->dev, "error: reset stream %d still running\n",
diff --git a/sound/soc/intel/skylake/skl-sst-dsp.c b/sound/soc/intel/skylake/skl-sst-dsp.c
index a5267e8..2962ef2 100644
--- a/sound/soc/intel/skylake/skl-sst-dsp.c
+++ b/sound/soc/intel/skylake/skl-sst-dsp.c
@@ -336,6 +336,11 @@
 	skl_ipc_int_disable(dsp);
 
 	free_irq(dsp->irq, dsp);
+	dsp->cl_dev.ops.cl_cleanup_controller(dsp);
+	skl_cldma_int_disable(dsp);
+	skl_ipc_op_int_disable(dsp);
+	skl_ipc_int_disable(dsp);
+
 	skl_dsp_disable_core(dsp);
 }
 EXPORT_SYMBOL_GPL(skl_dsp_free);
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 545b4e7..cdb78b7 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -239,6 +239,7 @@
 {
 	int multiplier = 1;
 	struct skl_module_fmt *in_fmt, *out_fmt;
+	int in_rate, out_rate;
 
 
 	/* Since fixups is applied to pin 0 only, ibs, obs needs
@@ -249,15 +250,24 @@
 
 	if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT)
 		multiplier = 5;
-	mcfg->ibs = (in_fmt->s_freq / 1000) *
-				(mcfg->in_fmt->channels) *
-				(mcfg->in_fmt->bit_depth >> 3) *
-				multiplier;
 
-	mcfg->obs = (mcfg->out_fmt->s_freq / 1000) *
-				(mcfg->out_fmt->channels) *
-				(mcfg->out_fmt->bit_depth >> 3) *
-				multiplier;
+	if (in_fmt->s_freq % 1000)
+		in_rate = (in_fmt->s_freq / 1000) + 1;
+	else
+		in_rate = (in_fmt->s_freq / 1000);
+
+	mcfg->ibs = in_rate * (mcfg->in_fmt->channels) *
+			(mcfg->in_fmt->bit_depth >> 3) *
+			multiplier;
+
+	if (mcfg->out_fmt->s_freq % 1000)
+		out_rate = (mcfg->out_fmt->s_freq / 1000) + 1;
+	else
+		out_rate = (mcfg->out_fmt->s_freq / 1000);
+
+	mcfg->obs = out_rate * (mcfg->out_fmt->channels) *
+			(mcfg->out_fmt->bit_depth >> 3) *
+			multiplier;
 }
 
 static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w,
@@ -485,11 +495,15 @@
 		if (!skl_is_pipe_mcps_avail(skl, mconfig))
 			return -ENOMEM;
 
+		skl_tplg_alloc_pipe_mcps(skl, mconfig);
+
 		if (mconfig->is_loadable && ctx->dsp->fw_ops.load_mod) {
 			ret = ctx->dsp->fw_ops.load_mod(ctx->dsp,
 				mconfig->id.module_id, mconfig->guid);
 			if (ret < 0)
 				return ret;
+
+			mconfig->m_state = SKL_MODULE_LOADED;
 		}
 
 		/* update blob if blob is null for be with default value */
@@ -509,7 +523,6 @@
 		ret = skl_tplg_set_module_params(w, ctx);
 		if (ret < 0)
 			return ret;
-		skl_tplg_alloc_pipe_mcps(skl, mconfig);
 	}
 
 	return 0;
@@ -524,7 +537,8 @@
 	list_for_each_entry(w_module, &pipe->w_list, node) {
 		mconfig  = w_module->w->priv;
 
-		if (mconfig->is_loadable && ctx->dsp->fw_ops.unload_mod)
+		if (mconfig->is_loadable && ctx->dsp->fw_ops.unload_mod &&
+			mconfig->m_state > SKL_MODULE_UNINIT)
 			return ctx->dsp->fw_ops.unload_mod(ctx->dsp,
 						mconfig->id.module_id);
 	}
@@ -558,6 +572,9 @@
 	if (!skl_is_pipe_mem_avail(skl, mconfig))
 		return -ENOMEM;
 
+	skl_tplg_alloc_pipe_mem(skl, mconfig);
+	skl_tplg_alloc_pipe_mcps(skl, mconfig);
+
 	/*
 	 * Create a list of modules for pipe.
 	 * This list contains modules from source to sink
@@ -601,9 +618,6 @@
 		src_module = dst_module;
 	}
 
-	skl_tplg_alloc_pipe_mem(skl, mconfig);
-	skl_tplg_alloc_pipe_mcps(skl, mconfig);
-
 	return 0;
 }
 
diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
index de3c401..d2d9230 100644
--- a/sound/soc/intel/skylake/skl-topology.h
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -274,10 +274,10 @@
 
 enum skl_module_state {
 	SKL_MODULE_UNINIT = 0,
-	SKL_MODULE_INIT_DONE = 1,
-	SKL_MODULE_LOADED = 2,
-	SKL_MODULE_UNLOADED = 3,
-	SKL_MODULE_BIND_DONE = 4
+	SKL_MODULE_LOADED = 1,
+	SKL_MODULE_INIT_DONE = 2,
+	SKL_MODULE_BIND_DONE = 3,
+	SKL_MODULE_UNLOADED = 4,
 };
 
 struct skl_module_cfg {
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index ab5e25a..3982f55 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -222,6 +222,7 @@
 	struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
 	struct skl *skl  = ebus_to_skl(ebus);
 	struct hdac_bus *bus = ebus_to_hbus(ebus);
+	int ret = 0;
 
 	/*
 	 * Do not suspend if streams which are marked ignore suspend are
@@ -232,10 +233,20 @@
 		enable_irq_wake(bus->irq);
 		pci_save_state(pci);
 		pci_disable_device(pci);
-		return 0;
 	} else {
-		return _skl_suspend(ebus);
+		ret = _skl_suspend(ebus);
+		if (ret < 0)
+			return ret;
 	}
+
+	if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
+		ret = snd_hdac_display_power(bus, false);
+		if (ret < 0)
+			dev_err(bus->dev,
+				"Cannot turn OFF display power on i915\n");
+	}
+
+	return ret;
 }
 
 static int skl_resume(struct device *dev)
@@ -316,17 +327,20 @@
 
 	if (bus->irq >= 0)
 		free_irq(bus->irq, (void *)bus);
-	if (bus->remap_addr)
-		iounmap(bus->remap_addr);
-
 	snd_hdac_bus_free_stream_pages(bus);
 	snd_hdac_stream_free_all(ebus);
 	snd_hdac_link_free_all(ebus);
+
+	if (bus->remap_addr)
+		iounmap(bus->remap_addr);
+
 	pci_release_regions(skl->pci);
 	pci_disable_device(skl->pci);
 
 	snd_hdac_ext_bus_exit(ebus);
 
+	if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI))
+		snd_hdac_i915_exit(&ebus->bus);
 	return 0;
 }
 
@@ -719,12 +733,12 @@
 	if (skl->tplg)
 		release_firmware(skl->tplg);
 
-	if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI))
-		snd_hdac_i915_exit(&ebus->bus);
-
 	if (pci_dev_run_wake(pci))
 		pm_runtime_get_noresume(&pci->dev);
-	pci_dev_put(pci);
+
+	/* codec removal, invoke bus_device_remove */
+	snd_hdac_ext_bus_device_remove(ebus);
+
 	skl_platform_unregister(&pci->dev);
 	skl_free_dsp(skl);
 	skl_machine_device_unregister(skl);
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 801ae1a..c446485 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2188,6 +2188,13 @@
 	int count = 0;
 	char *state = "not set";
 
+	/* card won't be set for the dummy component, as a spot fix
+	 * we're checking for that case specifically here but in future
+	 * we will ensure that the dummy component looks like others.
+	 */
+	if (!cmpnt->card)
+		return 0;
+
 	list_for_each_entry(w, &cmpnt->card->widgets, list) {
 		if (w->dapm != dapm)
 			continue;