Merge tag 'locks-v4.0-5' of git://git.samba.org/jlayton/linux
Pull file locking fix from Jeff Layton:
"Another small fix for the lease overhaul"
* tag 'locks-v4.0-5' of git://git.samba.org/jlayton/linux:
locks: fix file_lock deletion inside loop
diff --git a/MAINTAINERS b/MAINTAINERS
index 88c09ca..1de6afa 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1362,6 +1362,7 @@
F: drivers/*/*rockchip*
F: drivers/*/*/*rockchip*
F: sound/soc/rockchip/
+N: rockchip
ARM/SAMSUNG EXYNOS ARM ARCHITECTURES
M: Kukjin Kim <kgene@kernel.org>
diff --git a/Makefile b/Makefile
index 14c722f..da36a3b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 0
SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
NAME = Hurr durr I'ma sheep
# *DOCUMENTATION*
diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index 114234e..edda76f 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -67,7 +67,7 @@
sigset_t *set)
{
int err;
- err = __copy_to_user(&(sf->uc.uc_mcontext.regs), regs,
+ err = __copy_to_user(&(sf->uc.uc_mcontext.regs.scratch), regs,
sizeof(sf->uc.uc_mcontext.regs.scratch));
err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t));
@@ -83,7 +83,7 @@
if (!err)
set_current_blocked(&set);
- err |= __copy_from_user(regs, &(sf->uc.uc_mcontext.regs),
+ err |= __copy_from_user(regs, &(sf->uc.uc_mcontext.regs.scratch),
sizeof(sf->uc.uc_mcontext.regs.scratch));
return err;
@@ -131,6 +131,15 @@
/* Don't restart from sigreturn */
syscall_wont_restart(regs);
+ /*
+ * Ensure that sigreturn always returns to user mode (in case the
+ * regs saved on user stack got fudged between save and sigreturn)
+ * Otherwise it is easy to panic the kernel with a custom
+ * signal handler and/or restorer which clobberes the status32/ret
+ * to return to a bogus location in kernel mode.
+ */
+ regs->status32 |= STATUS_U_MASK;
+
return regs->r0;
badframe:
@@ -229,8 +238,11 @@
/*
* handler returns using sigreturn stub provided already by userpsace
+ * If not, nuke the process right away
*/
- BUG_ON(!(ksig->ka.sa.sa_flags & SA_RESTORER));
+ if(!(ksig->ka.sa.sa_flags & SA_RESTORER))
+ return 1;
+
regs->blink = (unsigned long)ksig->ka.sa.sa_restorer;
/* User Stack for signal handler will be above the frame just carved */
@@ -296,12 +308,12 @@
handle_signal(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *oldset = sigmask_to_save();
- int ret;
+ int failed;
/* Set up the stack frame */
- ret = setup_rt_frame(ksig, oldset, regs);
+ failed = setup_rt_frame(ksig, oldset, regs);
- signal_setup_done(ret, ksig, 0);
+ signal_setup_done(failed, ksig, 0);
}
void do_signal(struct pt_regs *regs)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9f1f09a..cf4c0c9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -619,6 +619,7 @@
select GENERIC_CLOCKEVENTS
select GPIO_PXA
select HAVE_IDE
+ select IRQ_DOMAIN
select MULTI_IRQ_HANDLER
select PLAT_PXA
select SPARSE_IRQ
diff --git a/arch/arm/boot/dts/dm8168-evm.dts b/arch/arm/boot/dts/dm8168-evm.dts
index d3a29c1..afe678f 100644
--- a/arch/arm/boot/dts/dm8168-evm.dts
+++ b/arch/arm/boot/dts/dm8168-evm.dts
@@ -36,6 +36,20 @@
>;
};
+ mmc_pins: pinmux_mmc_pins {
+ pinctrl-single,pins = <
+ DM816X_IOPAD(0x0a70, MUX_MODE0) /* SD_POW */
+ DM816X_IOPAD(0x0a74, MUX_MODE0) /* SD_CLK */
+ DM816X_IOPAD(0x0a78, MUX_MODE0) /* SD_CMD */
+ DM816X_IOPAD(0x0a7C, MUX_MODE0) /* SD_DAT0 */
+ DM816X_IOPAD(0x0a80, MUX_MODE0) /* SD_DAT1 */
+ DM816X_IOPAD(0x0a84, MUX_MODE0) /* SD_DAT2 */
+ DM816X_IOPAD(0x0a88, MUX_MODE0) /* SD_DAT2 */
+ DM816X_IOPAD(0x0a8c, MUX_MODE2) /* GP1[7] */
+ DM816X_IOPAD(0x0a90, MUX_MODE2) /* GP1[8] */
+ >;
+ };
+
usb0_pins: pinmux_usb0_pins {
pinctrl-single,pins = <
DM816X_IOPAD(0x0d00, MUX_MODE0) /* USB0_DRVVBUS */
@@ -137,7 +151,12 @@
};
&mmc1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc_pins>;
vmmc-supply = <&vmmcsd_fixed>;
+ bus-width = <4>;
+ cd-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>;
};
/* At least dm8168-evm rev c won't support multipoint, later may */
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 3c97b5f..f35715b 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -150,17 +150,27 @@
};
gpio1: gpio@48032000 {
- compatible = "ti,omap3-gpio";
+ compatible = "ti,omap4-gpio";
ti,hwmods = "gpio1";
+ ti,gpio-always-on;
reg = <0x48032000 0x1000>;
- interrupts = <97>;
+ interrupts = <96>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
};
gpio2: gpio@4804c000 {
- compatible = "ti,omap3-gpio";
+ compatible = "ti,omap4-gpio";
ti,hwmods = "gpio2";
+ ti,gpio-always-on;
reg = <0x4804c000 0x1000>;
- interrupts = <99>;
+ interrupts = <98>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
};
gpmc: gpmc@50000000 {
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 127608d..c4659a9 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1111,7 +1111,6 @@
"wkupclk", "refclk",
"div-clk", "phy-div";
#phy-cells = <0>;
- ti,hwmods = "pcie1-phy";
};
pcie2_phy: pciephy@4a095000 {
@@ -1130,7 +1129,6 @@
"wkupclk", "refclk",
"div-clk", "phy-div";
#phy-cells = <0>;
- ti,hwmods = "pcie2-phy";
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index f4f78c4..3fdc84f 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -92,6 +92,8 @@
ti,hwmods = "aes";
reg = <0x480c5000 0x50>;
interrupts = <0>;
+ dmas = <&sdma 65 &sdma 66>;
+ dma-names = "tx", "rx";
};
prm: prm@48306000 {
@@ -550,6 +552,8 @@
ti,hwmods = "sham";
reg = <0x480c3000 0x64>;
interrupts = <49>;
+ dmas = <&sdma 69>;
+ dma-names = "rx";
};
smartreflex_core: smartreflex@480cb000 {
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index d771f68..eccc78d 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -411,6 +411,7 @@
"mac_clk_rx", "mac_clk_tx",
"clk_mac_ref", "clk_mac_refout",
"aclk_mac", "pclk_mac";
+ status = "disabled";
};
usb_host0_ehci: usb@ff500000 {
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 9d87609..d9176e6 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -660,7 +660,7 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <0xfff01000 0x1000>;
- interrupts = <0 156 4>;
+ interrupts = <0 155 4>;
num-cs = <4>;
clocks = <&spi_m_clk>;
status = "disabled";
diff --git a/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts b/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts
index ab7891c..75742f8 100644
--- a/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts
+++ b/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts
@@ -56,6 +56,22 @@
model = "Olimex A10-OLinuXino-LIME";
compatible = "olimex,a10-olinuxino-lime", "allwinner,sun4i-a10";
+ cpus {
+ cpu0: cpu@0 {
+ /*
+ * The A10-Lime is known to be unstable
+ * when running at 1008 MHz
+ */
+ operating-points = <
+ /* kHz uV */
+ 912000 1350000
+ 864000 1300000
+ 624000 1250000
+ >;
+ cooling-max-level = <2>;
+ };
+ };
+
soc@01c00000 {
emac: ethernet@01c0b000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 5c29258..eebb785 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -75,7 +75,6 @@
clock-latency = <244144>; /* 8 32k periods */
operating-points = <
/* kHz uV */
- 1056000 1500000
1008000 1400000
912000 1350000
864000 1300000
@@ -83,7 +82,7 @@
>;
#cooling-cells = <2>;
cooling-min-level = <0>;
- cooling-max-level = <4>;
+ cooling-max-level = <3>;
};
};
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index f8818f1..883cb4873 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -47,7 +47,6 @@
clock-latency = <244144>; /* 8 32k periods */
operating-points = <
/* kHz uV */
- 1104000 1500000
1008000 1400000
912000 1350000
864000 1300000
@@ -57,7 +56,7 @@
>;
#cooling-cells = <2>;
cooling-min-level = <0>;
- cooling-max-level = <6>;
+ cooling-max-level = <5>;
};
};
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 3a8530b..fdd1817 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -105,7 +105,6 @@
clock-latency = <244144>; /* 8 32k periods */
operating-points = <
/* kHz uV */
- 1008000 1450000
960000 1400000
912000 1400000
864000 1300000
@@ -116,7 +115,7 @@
>;
#cooling-cells = <2>;
cooling-min-level = <0>;
- cooling-max-level = <7>;
+ cooling-max-level = <6>;
};
cpu@1 {
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 2a2f4d5..25f1bee 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -720,6 +720,8 @@
return kasprintf(GFP_KERNEL, "OMAP4");
else if (soc_is_omap54xx())
return kasprintf(GFP_KERNEL, "OMAP5");
+ else if (soc_is_am33xx() || soc_is_am335x())
+ return kasprintf(GFP_KERNEL, "AM33xx");
else if (soc_is_am43xx())
return kasprintf(GFP_KERNEL, "AM43xx");
else if (soc_is_dra7xx())
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 0eecd83..89a7c06 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -11,6 +11,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
@@ -40,7 +41,6 @@
#define ICHP_VAL_IRQ (1 << 31)
#define ICHP_IRQ(i) (((i) >> 16) & 0x7fff)
#define IPR_VALID (1 << 31)
-#define IRQ_BIT(n) (((n) - PXA_IRQ(0)) & 0x1f)
#define MAX_INTERNAL_IRQS 128
@@ -51,6 +51,7 @@
static void __iomem *pxa_irq_base;
static int pxa_internal_irq_nr;
static bool cpu_has_ipr;
+static struct irq_domain *pxa_irq_domain;
static inline void __iomem *irq_base(int i)
{
@@ -66,18 +67,20 @@
void pxa_mask_irq(struct irq_data *d)
{
void __iomem *base = irq_data_get_irq_chip_data(d);
+ irq_hw_number_t irq = irqd_to_hwirq(d);
uint32_t icmr = __raw_readl(base + ICMR);
- icmr &= ~(1 << IRQ_BIT(d->irq));
+ icmr &= ~BIT(irq & 0x1f);
__raw_writel(icmr, base + ICMR);
}
void pxa_unmask_irq(struct irq_data *d)
{
void __iomem *base = irq_data_get_irq_chip_data(d);
+ irq_hw_number_t irq = irqd_to_hwirq(d);
uint32_t icmr = __raw_readl(base + ICMR);
- icmr |= 1 << IRQ_BIT(d->irq);
+ icmr |= BIT(irq & 0x1f);
__raw_writel(icmr, base + ICMR);
}
@@ -118,40 +121,63 @@
} while (1);
}
-void __init pxa_init_irq(int irq_nr, int (*fn)(struct irq_data *, unsigned int))
+static int pxa_irq_map(struct irq_domain *h, unsigned int virq,
+ irq_hw_number_t hw)
{
- int irq, i, n;
+ void __iomem *base = irq_base(hw / 32);
- BUG_ON(irq_nr > MAX_INTERNAL_IRQS);
+ /* initialize interrupt priority */
+ if (cpu_has_ipr)
+ __raw_writel(hw | IPR_VALID, pxa_irq_base + IPR(hw));
+
+ irq_set_chip_and_handler(virq, &pxa_internal_irq_chip,
+ handle_level_irq);
+ irq_set_chip_data(virq, base);
+ set_irq_flags(virq, IRQF_VALID);
+
+ return 0;
+}
+
+static struct irq_domain_ops pxa_irq_ops = {
+ .map = pxa_irq_map,
+ .xlate = irq_domain_xlate_onecell,
+};
+
+static __init void
+pxa_init_irq_common(struct device_node *node, int irq_nr,
+ int (*fn)(struct irq_data *, unsigned int))
+{
+ int n;
pxa_internal_irq_nr = irq_nr;
- cpu_has_ipr = !cpu_is_pxa25x();
- pxa_irq_base = io_p2v(0x40d00000);
+ pxa_irq_domain = irq_domain_add_legacy(node, irq_nr,
+ PXA_IRQ(0), 0,
+ &pxa_irq_ops, NULL);
+ if (!pxa_irq_domain)
+ panic("Unable to add PXA IRQ domain\n");
+ irq_set_default_host(pxa_irq_domain);
for (n = 0; n < irq_nr; n += 32) {
void __iomem *base = irq_base(n >> 5);
__raw_writel(0, base + ICMR); /* disable all IRQs */
__raw_writel(0, base + ICLR); /* all IRQs are IRQ, not FIQ */
- for (i = n; (i < (n + 32)) && (i < irq_nr); i++) {
- /* initialize interrupt priority */
- if (cpu_has_ipr)
- __raw_writel(i | IPR_VALID, pxa_irq_base + IPR(i));
-
- irq = PXA_IRQ(i);
- irq_set_chip_and_handler(irq, &pxa_internal_irq_chip,
- handle_level_irq);
- irq_set_chip_data(irq, base);
- set_irq_flags(irq, IRQF_VALID);
- }
}
-
/* only unmasked interrupts kick us out of idle */
__raw_writel(1, irq_base(0) + ICCR);
pxa_internal_irq_chip.irq_set_wake = fn;
}
+void __init pxa_init_irq(int irq_nr, int (*fn)(struct irq_data *, unsigned int))
+{
+ BUG_ON(irq_nr > MAX_INTERNAL_IRQS);
+
+ pxa_irq_base = io_p2v(0x40d00000);
+ cpu_has_ipr = !cpu_is_pxa25x();
+ pxa_init_irq_common(NULL, irq_nr, fn);
+}
+
#ifdef CONFIG_PM
static unsigned long saved_icmr[MAX_INTERNAL_IRQS/32];
static unsigned long saved_ipr[MAX_INTERNAL_IRQS];
@@ -203,30 +229,6 @@
};
#ifdef CONFIG_OF
-static struct irq_domain *pxa_irq_domain;
-
-static int pxa_irq_map(struct irq_domain *h, unsigned int virq,
- irq_hw_number_t hw)
-{
- void __iomem *base = irq_base(hw / 32);
-
- /* initialize interrupt priority */
- if (cpu_has_ipr)
- __raw_writel(hw | IPR_VALID, pxa_irq_base + IPR(hw));
-
- irq_set_chip_and_handler(hw, &pxa_internal_irq_chip,
- handle_level_irq);
- irq_set_chip_data(hw, base);
- set_irq_flags(hw, IRQF_VALID);
-
- return 0;
-}
-
-static struct irq_domain_ops pxa_irq_ops = {
- .map = pxa_irq_map,
- .xlate = irq_domain_xlate_onecell,
-};
-
static const struct of_device_id intc_ids[] __initconst = {
{ .compatible = "marvell,pxa-intc", },
{}
@@ -236,7 +238,7 @@
{
struct device_node *node;
struct resource res;
- int n, ret;
+ int ret;
node = of_find_matching_node(NULL, intc_ids);
if (!node) {
@@ -267,23 +269,6 @@
return;
}
- pxa_irq_domain = irq_domain_add_legacy(node, pxa_internal_irq_nr, 0, 0,
- &pxa_irq_ops, NULL);
- if (!pxa_irq_domain)
- panic("Unable to add PXA IRQ domain\n");
-
- irq_set_default_host(pxa_irq_domain);
-
- for (n = 0; n < pxa_internal_irq_nr; n += 32) {
- void __iomem *base = irq_base(n >> 5);
-
- __raw_writel(0, base + ICMR); /* disable all IRQs */
- __raw_writel(0, base + ICLR); /* all IRQs are IRQ, not FIQ */
- }
-
- /* only unmasked interrupts kick us out of idle */
- __raw_writel(1, irq_base(0) + ICCR);
-
- pxa_internal_irq_chip.irq_set_wake = fn;
+ pxa_init_irq_common(node, pxa_internal_irq_nr, fn);
}
#endif /* CONFIG_OF */
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 205f9bf..ac2ae5c 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -412,7 +412,7 @@
};
static struct platform_device can_regulator_device = {
- .name = "reg-fixed-volage",
+ .name = "reg-fixed-voltage",
.id = 0,
.dev = {
.platform_data = &can_regulator_pdata,
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index a77604f..81502b9 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -1,10 +1,12 @@
menuconfig ARCH_SUNXI
bool "Allwinner SoCs" if ARCH_MULTI_V7
select ARCH_REQUIRE_GPIOLIB
+ select ARCH_HAS_RESET_CONTROLLER
select CLKSRC_MMIO
select GENERIC_IRQ_CHIP
select PINCTRL
select SUN4I_TIMER
+ select RESET_CONTROLLER
if ARCH_SUNXI
@@ -20,10 +22,8 @@
config MACH_SUN6I
bool "Allwinner A31 (sun6i) SoCs support"
default ARCH_SUNXI
- select ARCH_HAS_RESET_CONTROLLER
select ARM_GIC
select MFD_SUN6I_PRCM
- select RESET_CONTROLLER
select SUN5I_HSTIMER
config MACH_SUN7I
@@ -37,16 +37,12 @@
config MACH_SUN8I
bool "Allwinner A23 (sun8i) SoCs support"
default ARCH_SUNXI
- select ARCH_HAS_RESET_CONTROLLER
select ARM_GIC
select MFD_SUN6I_PRCM
- select RESET_CONTROLLER
config MACH_SUN9I
bool "Allwinner (sun9i) SoCs support"
default ARCH_SUNXI
- select ARCH_HAS_RESET_CONTROLLER
select ARM_GIC
- select RESET_CONTROLLER
endif
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index db10169..8ca94d3 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -799,6 +799,7 @@
struct device *dev = &pdev->dev;
const struct of_device_id *match;
const struct dmtimer_platform_data *pdata;
+ int ret;
match = of_match_device(of_match_ptr(omap_timer_match), dev);
pdata = match ? match->data : dev->platform_data;
@@ -860,7 +861,12 @@
}
if (!timer->reserved) {
- pm_runtime_get_sync(dev);
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0) {
+ dev_err(dev, "%s: pm_runtime_get_sync failed!\n",
+ __func__);
+ goto err_get_sync;
+ }
__omap_dm_timer_init_regs(timer);
pm_runtime_put(dev);
}
@@ -873,6 +879,11 @@
dev_dbg(dev, "Device Probed.\n");
return 0;
+
+err_get_sync:
+ pm_runtime_put_noidle(dev);
+ pm_runtime_disable(dev);
+ return ret;
}
/**
@@ -899,6 +910,8 @@
}
spin_unlock_irqrestore(&dm_timer_lock, flags);
+ pm_runtime_disable(&pdev->dev);
+
return ret;
}
diff --git a/arch/arm64/boot/dts/arm/juno-clocks.dtsi b/arch/arm64/boot/dts/arm/juno-clocks.dtsi
index ea2b566..c9b89ef 100644
--- a/arch/arm64/boot/dts/arm/juno-clocks.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-clocks.dtsi
@@ -8,7 +8,7 @@
*/
/* SoC fixed clocks */
- soc_uartclk: refclk72738khz {
+ soc_uartclk: refclk7273800hz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <7273800>;
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index f213f5b..d174372 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -26,7 +26,7 @@
if (likely(pgd != NULL)) {
memset(pgd, 0, PAGE_SIZE<<PGD_ALLOC_ORDER);
-#ifdef CONFIG_64BIT
+#if PT_NLEVELS == 3
actual_pgd += PTRS_PER_PGD;
/* Populate first pmd with allocated memory. We mark it
* with PxD_FLAG_ATTACHED as a signal to the system that this
@@ -45,7 +45,7 @@
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
-#ifdef CONFIG_64BIT
+#if PT_NLEVELS == 3
pgd -= PTRS_PER_PGD;
#endif
free_pages((unsigned long)pgd, PGD_ALLOC_ORDER);
@@ -72,12 +72,15 @@
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
-#ifdef CONFIG_64BIT
if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
- /* This is the permanent pmd attached to the pgd;
- * cannot free it */
+ /*
+ * This is the permanent pmd attached to the pgd;
+ * cannot free it.
+ * Increment the counter to compensate for the decrement
+ * done by generic mm code.
+ */
+ mm_inc_nr_pmds(mm);
return;
-#endif
free_pages((unsigned long)pmd, PMD_ORDER);
}
@@ -99,7 +102,7 @@
static inline void
pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
-#ifdef CONFIG_64BIT
+#if PT_NLEVELS == 3
/* preserve the gateway marker if this is the beginning of
* the permanent pmd */
if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 5a8997d..8eefb12 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -55,8 +55,8 @@
#define ENTRY_COMP(_name_) .word sys_##_name_
#endif
- ENTRY_SAME(restart_syscall) /* 0 */
- ENTRY_SAME(exit)
+90: ENTRY_SAME(restart_syscall) /* 0 */
+91: ENTRY_SAME(exit)
ENTRY_SAME(fork_wrapper)
ENTRY_SAME(read)
ENTRY_SAME(write)
@@ -439,7 +439,10 @@
ENTRY_SAME(bpf)
ENTRY_COMP(execveat)
- /* Nothing yet */
+
+.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
+.error "size of syscall table does not fit value of __NR_Linux_syscalls"
+.endif
#undef ENTRY_SAME
#undef ENTRY_DIFF
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index de4018a..de74756 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -636,7 +636,7 @@
spin_lock(&vcpu->arch.vpa_update_lock);
lppaca = (struct lppaca *)vcpu->arch.vpa.pinned_addr;
if (lppaca)
- yield_count = lppaca->yield_count;
+ yield_count = be32_to_cpu(lppaca->yield_count);
spin_unlock(&vcpu->arch.vpa_update_lock);
return yield_count;
}
@@ -942,20 +942,20 @@
static void kvmppc_set_lpcr(struct kvm_vcpu *vcpu, u64 new_lpcr,
bool preserve_top32)
{
+ struct kvm *kvm = vcpu->kvm;
struct kvmppc_vcore *vc = vcpu->arch.vcore;
u64 mask;
+ mutex_lock(&kvm->lock);
spin_lock(&vc->lock);
/*
* If ILE (interrupt little-endian) has changed, update the
* MSR_LE bit in the intr_msr for each vcpu in this vcore.
*/
if ((new_lpcr & LPCR_ILE) != (vc->lpcr & LPCR_ILE)) {
- struct kvm *kvm = vcpu->kvm;
struct kvm_vcpu *vcpu;
int i;
- mutex_lock(&kvm->lock);
kvm_for_each_vcpu(i, vcpu, kvm) {
if (vcpu->arch.vcore != vc)
continue;
@@ -964,7 +964,6 @@
else
vcpu->arch.intr_msr &= ~MSR_LE;
}
- mutex_unlock(&kvm->lock);
}
/*
@@ -981,6 +980,7 @@
mask &= 0xFFFFFFFF;
vc->lpcr = (vc->lpcr & ~mask) | (new_lpcr & mask);
spin_unlock(&vc->lock);
+ mutex_unlock(&kvm->lock);
}
static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index bb94e6f..6cbf163 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1005,6 +1005,7 @@
/* Save HEIR (HV emulation assist reg) in emul_inst
if this is an HEI (HV emulation interrupt, e40) */
li r3,KVM_INST_FETCH_FAILED
+ stw r3,VCPU_LAST_INST(r9)
cmpwi r12,BOOK3S_INTERRUPT_H_EMUL_ASSIST
bne 11f
mfspr r3,SPRN_HEIR
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 1d74d16..2babb39 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -364,12 +364,21 @@
* Has incomplete stack frame and undefined top of stack.
*/
ret_from_sys_call:
- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
- jnz int_ret_from_sys_call_fixup /* Go the the slow path */
-
LOCKDEP_SYS_EXIT
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
+
+ /*
+ * We must check ti flags with interrupts (or at least preemption)
+ * off because we must *never* return to userspace without
+ * processing exit work that is enqueued if we're preempted here.
+ * In particular, returning to userspace with any of the one-shot
+ * flags (TIF_NOTIFY_RESUME, TIF_USER_RETURN_NOTIFY, etc) set is
+ * very bad.
+ */
+ testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+ jnz int_ret_from_sys_call_fixup /* Go the the slow path */
+
CFI_REMEMBER_STATE
/*
* sysretq will re-enable interrupts:
@@ -386,7 +395,7 @@
int_ret_from_sys_call_fixup:
FIXUP_TOP_OF_STACK %r11, -ARGOFFSET
- jmp int_ret_from_sys_call
+ jmp int_ret_from_sys_call_irqs_off
/* Do syscall tracing */
tracesys:
@@ -432,6 +441,7 @@
GLOBAL(int_ret_from_sys_call)
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
+int_ret_from_sys_call_irqs_off:
movl $_TIF_ALLWORK_MASK,%edi
/* edi: mask to check */
GLOBAL(int_with_check)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ef150eb..23dac3b 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4204,9 +4204,18 @@
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
/* devices that don't properly handle queued TRIM commands */
- { "Micron_M[56]*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ { "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
- { "Crucial_CT*SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Crucial_CT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Micron_M5[15]0*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Crucial_CT*M550*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 850 PRO*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
/*
* As defined, the DRAT (Deterministic Read After Trim) and RZAT
@@ -4226,6 +4235,8 @@
*/
{ "INTEL*SSDSC2MH*", NULL, 0, },
+ { "Micron*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Crucial*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "INTEL*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 68161f7..a0b036c 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -192,6 +192,7 @@
config SH_TIMER_CMT
bool "Renesas CMT timer driver" if COMPILE_TEST
depends on GENERIC_CLOCKEVENTS
+ depends on HAS_IOMEM
default SYS_SUPPORTS_SH_CMT
help
This enables build of a clocksource and clockevent driver for
@@ -201,6 +202,7 @@
config SH_TIMER_MTU2
bool "Renesas MTU2 timer driver" if COMPILE_TEST
depends on GENERIC_CLOCKEVENTS
+ depends on HAS_IOMEM
default SYS_SUPPORTS_SH_MTU2
help
This enables build of a clockevent driver for the Multi-Function
@@ -210,6 +212,7 @@
config SH_TIMER_TMU
bool "Renesas TMU timer driver" if COMPILE_TEST
depends on GENERIC_CLOCKEVENTS
+ depends on HAS_IOMEM
default SYS_SUPPORTS_SH_TMU
help
This enables build of a clocksource and clockevent driver for
diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c
index 5dcbf90..58597fb 100644
--- a/drivers/clocksource/timer-sun5i.c
+++ b/drivers/clocksource/timer-sun5i.c
@@ -17,7 +17,6 @@
#include <linux/irq.h>
#include <linux/irqreturn.h>
#include <linux/reset.h>
-#include <linux/sched_clock.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
@@ -137,11 +136,6 @@
.dev_id = &sun5i_clockevent,
};
-static u64 sun5i_timer_sched_read(void)
-{
- return ~readl(timer_base + TIMER_CNTVAL_LO_REG(1));
-}
-
static void __init sun5i_timer_init(struct device_node *node)
{
struct reset_control *rstc;
@@ -172,7 +166,6 @@
writel(TIMER_CTL_ENABLE | TIMER_CTL_RELOAD,
timer_base + TIMER_CTL_REG(1));
- sched_clock_register(sun5i_timer_sched_read, 32, rate);
clocksource_mmio_init(timer_base + TIMER_CNTVAL_LO_REG(1), node->name,
rate, 340, 32, clocksource_mmio_readl_down);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index a6952ba3..a65b751 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -334,7 +334,7 @@
.xlate = irq_domain_xlate_twocell,
};
-static struct of_device_id mpc8xxx_gpio_ids[] __initdata = {
+static struct of_device_id mpc8xxx_gpio_ids[] = {
{ .compatible = "fsl,mpc8349-gpio", },
{ .compatible = "fsl,mpc8572-gpio", },
{ .compatible = "fsl,mpc8610-gpio", },
diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c
index 257e298..045a952 100644
--- a/drivers/gpio/gpio-syscon.c
+++ b/drivers/gpio/gpio-syscon.c
@@ -219,7 +219,7 @@
ret = of_property_read_u32_index(np, "gpio,syscon-dev", 2,
&priv->dir_reg_offset);
if (ret)
- dev_err(dev, "can't read the dir register offset!\n");
+ dev_dbg(dev, "can't read the dir register offset!\n");
priv->dir_reg_offset <<= 3;
}
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index c0929d9..df990f2 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -201,6 +201,10 @@
if (!handler)
return AE_BAD_PARAMETER;
+ pin = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
+ if (pin < 0)
+ return AE_BAD_PARAMETER;
+
desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event");
if (IS_ERR(desc)) {
dev_err(chip->dev, "Failed to request GPIO\n");
@@ -551,6 +555,12 @@
struct gpio_desc *desc;
bool found;
+ pin = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
+ if (pin < 0) {
+ status = AE_BAD_PARAMETER;
+ goto out;
+ }
+
mutex_lock(&achip->conn_lock);
found = false;
diff --git a/drivers/watchdog/imgpdc_wdt.c b/drivers/watchdog/imgpdc_wdt.c
index c8def68..0deaa4f 100644
--- a/drivers/watchdog/imgpdc_wdt.c
+++ b/drivers/watchdog/imgpdc_wdt.c
@@ -42,10 +42,10 @@
#define PDC_WDT_MIN_TIMEOUT 1
#define PDC_WDT_DEF_TIMEOUT 64
-static int heartbeat;
+static int heartbeat = PDC_WDT_DEF_TIMEOUT;
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. "
- "(default = " __MODULE_STRING(PDC_WDT_DEF_TIMEOUT) ")");
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds "
+ "(default=" __MODULE_STRING(PDC_WDT_DEF_TIMEOUT) ")");
static bool nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, bool, 0);
@@ -191,6 +191,7 @@
pdc_wdt->wdt_dev.ops = &pdc_wdt_ops;
pdc_wdt->wdt_dev.max_timeout = 1 << PDC_WDT_CONFIG_DELAY_MASK;
pdc_wdt->wdt_dev.parent = &pdev->dev;
+ watchdog_set_drvdata(&pdc_wdt->wdt_dev, pdc_wdt);
ret = watchdog_init_timeout(&pdc_wdt->wdt_dev, heartbeat, &pdev->dev);
if (ret < 0) {
@@ -232,7 +233,6 @@
watchdog_set_nowayout(&pdc_wdt->wdt_dev, nowayout);
platform_set_drvdata(pdev, pdc_wdt);
- watchdog_set_drvdata(&pdc_wdt->wdt_dev, pdc_wdt);
ret = watchdog_register_device(&pdc_wdt->wdt_dev);
if (ret)
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index a87f6df..938b987 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -133,7 +133,7 @@
u32 reg;
struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);
void __iomem *wdt_base = mtk_wdt->wdt_base;
- u32 ret;
+ int ret;
ret = mtk_wdt_set_timeout(wdt_dev, wdt_dev->timeout);
if (ret < 0)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 453ef61..2fabc06 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4574,6 +4574,13 @@
{
struct perf_event *event = container_of(entry,
struct perf_event, pending);
+ int rctx;
+
+ rctx = perf_swevent_get_recursion_context();
+ /*
+ * If we 'fail' here, that's OK, it means recursion is already disabled
+ * and we won't recurse 'further'.
+ */
if (event->pending_disable) {
event->pending_disable = 0;
@@ -4584,6 +4591,9 @@
event->pending_wakeup = 0;
perf_event_wakeup(event);
}
+
+ if (rctx >= 0)
+ perf_swevent_put_recursion_context(rctx);
}
/*
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 88d0d44..ba77ab5 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -633,7 +633,7 @@
if (!new_class->name)
return 0;
- list_for_each_entry(class, &all_lock_classes, lock_entry) {
+ list_for_each_entry_rcu(class, &all_lock_classes, lock_entry) {
if (new_class->key - new_class->subclass == class->key)
return class->name_version;
if (class->name && !strcmp(class->name, new_class->name))
@@ -700,10 +700,12 @@
hash_head = classhashentry(key);
/*
- * We can walk the hash lockfree, because the hash only
- * grows, and we are careful when adding entries to the end:
+ * We do an RCU walk of the hash, see lockdep_free_key_range().
*/
- list_for_each_entry(class, hash_head, hash_entry) {
+ if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
+ return NULL;
+
+ list_for_each_entry_rcu(class, hash_head, hash_entry) {
if (class->key == key) {
/*
* Huh! same key, different name? Did someone trample
@@ -728,7 +730,8 @@
struct lockdep_subclass_key *key;
struct list_head *hash_head;
struct lock_class *class;
- unsigned long flags;
+
+ DEBUG_LOCKS_WARN_ON(!irqs_disabled());
class = look_up_lock_class(lock, subclass);
if (likely(class))
@@ -750,28 +753,26 @@
key = lock->key->subkeys + subclass;
hash_head = classhashentry(key);
- raw_local_irq_save(flags);
if (!graph_lock()) {
- raw_local_irq_restore(flags);
return NULL;
}
/*
* We have to do the hash-walk again, to avoid races
* with another CPU:
*/
- list_for_each_entry(class, hash_head, hash_entry)
+ list_for_each_entry_rcu(class, hash_head, hash_entry) {
if (class->key == key)
goto out_unlock_set;
+ }
+
/*
* Allocate a new key from the static array, and add it to
* the hash:
*/
if (nr_lock_classes >= MAX_LOCKDEP_KEYS) {
if (!debug_locks_off_graph_unlock()) {
- raw_local_irq_restore(flags);
return NULL;
}
- raw_local_irq_restore(flags);
print_lockdep_off("BUG: MAX_LOCKDEP_KEYS too low!");
dump_stack();
@@ -798,7 +799,6 @@
if (verbose(class)) {
graph_unlock();
- raw_local_irq_restore(flags);
printk("\nnew class %p: %s", class->key, class->name);
if (class->name_version > 1)
@@ -806,15 +806,12 @@
printk("\n");
dump_stack();
- raw_local_irq_save(flags);
if (!graph_lock()) {
- raw_local_irq_restore(flags);
return NULL;
}
}
out_unlock_set:
graph_unlock();
- raw_local_irq_restore(flags);
out_set_class_cache:
if (!subclass || force)
@@ -870,11 +867,9 @@
entry->distance = distance;
entry->trace = *trace;
/*
- * Since we never remove from the dependency list, the list can
- * be walked lockless by other CPUs, it's only allocation
- * that must be protected by the spinlock. But this also means
- * we must make new entries visible only once writes to the
- * entry become visible - hence the RCU op:
+ * Both allocation and removal are done under the graph lock; but
+ * iteration is under RCU-sched; see look_up_lock_class() and
+ * lockdep_free_key_range().
*/
list_add_tail_rcu(&entry->entry, head);
@@ -1025,7 +1020,9 @@
else
head = &lock->class->locks_before;
- list_for_each_entry(entry, head, entry) {
+ DEBUG_LOCKS_WARN_ON(!irqs_disabled());
+
+ list_for_each_entry_rcu(entry, head, entry) {
if (!lock_accessed(entry)) {
unsigned int cq_depth;
mark_lock_accessed(entry, lock);
@@ -2022,7 +2019,7 @@
* We can walk it lock-free, because entries only get added
* to the hash:
*/
- list_for_each_entry(chain, hash_head, entry) {
+ list_for_each_entry_rcu(chain, hash_head, entry) {
if (chain->chain_key == chain_key) {
cache_hit:
debug_atomic_inc(chain_lookup_hits);
@@ -2996,8 +2993,18 @@
if (unlikely(!debug_locks))
return;
- if (subclass)
+ if (subclass) {
+ unsigned long flags;
+
+ if (DEBUG_LOCKS_WARN_ON(current->lockdep_recursion))
+ return;
+
+ raw_local_irq_save(flags);
+ current->lockdep_recursion = 1;
register_lock_class(lock, subclass, 1);
+ current->lockdep_recursion = 0;
+ raw_local_irq_restore(flags);
+ }
}
EXPORT_SYMBOL_GPL(lockdep_init_map);
@@ -3887,9 +3894,17 @@
return addr >= start && addr < start + size;
}
+/*
+ * Used in module.c to remove lock classes from memory that is going to be
+ * freed; and possibly re-used by other modules.
+ *
+ * We will have had one sync_sched() before getting here, so we're guaranteed
+ * nobody will look up these exact classes -- they're properly dead but still
+ * allocated.
+ */
void lockdep_free_key_range(void *start, unsigned long size)
{
- struct lock_class *class, *next;
+ struct lock_class *class;
struct list_head *head;
unsigned long flags;
int i;
@@ -3905,7 +3920,7 @@
head = classhash_table + i;
if (list_empty(head))
continue;
- list_for_each_entry_safe(class, next, head, hash_entry) {
+ list_for_each_entry_rcu(class, head, hash_entry) {
if (within(class->key, start, size))
zap_class(class);
else if (within(class->name, start, size))
@@ -3916,11 +3931,25 @@
if (locked)
graph_unlock();
raw_local_irq_restore(flags);
+
+ /*
+ * Wait for any possible iterators from look_up_lock_class() to pass
+ * before continuing to free the memory they refer to.
+ *
+ * sync_sched() is sufficient because the read-side is IRQ disable.
+ */
+ synchronize_sched();
+
+ /*
+ * XXX at this point we could return the resources to the pool;
+ * instead we leak them. We would need to change to bitmap allocators
+ * instead of the linear allocators we have now.
+ */
}
void lockdep_reset_lock(struct lockdep_map *lock)
{
- struct lock_class *class, *next;
+ struct lock_class *class;
struct list_head *head;
unsigned long flags;
int i, j;
@@ -3948,7 +3977,7 @@
head = classhash_table + i;
if (list_empty(head))
continue;
- list_for_each_entry_safe(class, next, head, hash_entry) {
+ list_for_each_entry_rcu(class, head, hash_entry) {
int match = 0;
for (j = 0; j < NR_LOCKDEP_CACHING_CLASSES; j++)
diff --git a/kernel/module.c b/kernel/module.c
index b3d634e..99fdf94 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1865,7 +1865,7 @@
kfree(mod->args);
percpu_modfree(mod);
- /* Free lock-classes: */
+ /* Free lock-classes; relies on the preceding sync_rcu(). */
lockdep_free_key_range(mod->module_core, mod->core_size);
/* Finally, free the core (containing the module structure) */
@@ -3349,9 +3349,6 @@
module_bug_cleanup(mod);
mutex_unlock(&module_mutex);
- /* Free lock-classes: */
- lockdep_free_key_range(mod->module_core, mod->core_size);
-
/* we can't deallocate the module until we clear memory protection */
unset_module_init_ro_nx(mod);
unset_module_core_ro_nx(mod);
@@ -3375,6 +3372,9 @@
synchronize_rcu();
mutex_unlock(&module_mutex);
free_module:
+ /* Free lock-classes; relies on the preceding sync_rcu() */
+ lockdep_free_key_range(mod->module_core, mod->core_size);
+
module_deallocate(mod, info);
free_copy:
free_copy(info);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f0f831e..62671f5 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3034,6 +3034,8 @@
} else {
if (dl_prio(oldprio))
p->dl.dl_boosted = 0;
+ if (rt_prio(oldprio))
+ p->rt.timeout = 0;
p->sched_class = &fair_sched_class;
}
diff --git a/kernel/time/tick-broadcast-hrtimer.c b/kernel/time/tick-broadcast-hrtimer.c
index eb682d5..6aac4be 100644
--- a/kernel/time/tick-broadcast-hrtimer.c
+++ b/kernel/time/tick-broadcast-hrtimer.c
@@ -49,6 +49,7 @@
*/
static int bc_set_next(ktime_t expires, struct clock_event_device *bc)
{
+ int bc_moved;
/*
* We try to cancel the timer first. If the callback is on
* flight on some other cpu then we let it handle it. If we
@@ -60,9 +61,15 @@
* restart the timer because we are in the callback, but we
* can set the expiry time and let the callback return
* HRTIMER_RESTART.
+ *
+ * Since we are in the idle loop at this point and because
+ * hrtimer_{start/cancel} functions call into tracing,
+ * calls to these functions must be bound within RCU_NONIDLE.
*/
- if (hrtimer_try_to_cancel(&bctimer) >= 0) {
- hrtimer_start(&bctimer, expires, HRTIMER_MODE_ABS_PINNED);
+ RCU_NONIDLE(bc_moved = (hrtimer_try_to_cancel(&bctimer) >= 0) ?
+ !hrtimer_start(&bctimer, expires, HRTIMER_MODE_ABS_PINNED) :
+ 0);
+ if (bc_moved) {
/* Bind the "device" to the cpu */
bc->bound_on = smp_processor_id();
} else if (bc->bound_on == smp_processor_id()) {
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 1684bcc..5fde343 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -152,7 +152,7 @@
goto out;
/* No partial writes. */
- length = EINVAL;
+ length = -EINVAL;
if (*ppos != 0)
goto out;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 4ca3d5d..a8a1e14 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1989,7 +1989,7 @@
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Sunrise Point */
{ PCI_DEVICE(0x8086, 0xa170),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Sunrise Point-LP */
{ PCI_DEVICE(0x8086, 0x9d70),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 526398a..7438213 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -396,7 +396,7 @@
{
/* We currently only handle front, HP */
static hda_nid_t pins[] = {
- 0x0f, 0x10, 0x14, 0x15, 0
+ 0x0f, 0x10, 0x14, 0x15, 0x17, 0
};
hda_nid_t *p;
for (p = pins; *p; p++)
@@ -5036,6 +5036,7 @@
SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x501e, "Thinkpad L440", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x5026, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
+ SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),