diff --git a/Makefile b/Makefile
index 7e4eee5..902974f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 8
-SUBLEVEL = 11
+SUBLEVEL = 12
 EXTRAVERSION =
 NAME = Displaced Humerus Anterior
 
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index cb7bcc5..02b70a4 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -158,8 +158,8 @@
 				usart1 {
 					pinctrl_usart1: usart1-0 {
 						atmel,pins =
-							<2 6 0x1 0x1	/* PB6 periph A with pullup */
-							 2 7 0x1 0x0>;	/* PB7 periph A */
+							<1 6 0x1 0x1	/* PB6 periph A with pullup */
+							 1 7 0x1 0x0>;	/* PB7 periph A */
 					};
 
 					pinctrl_usart1_rts: usart1_rts-0 {
@@ -194,18 +194,18 @@
 				usart3 {
 					pinctrl_usart3: usart3-0 {
 						atmel,pins =
-							<2 10 0x1 0x1	/* PB10 periph A with pullup */
-							 2 11 0x1 0x0>;	/* PB11 periph A */
+							<1 10 0x1 0x1	/* PB10 periph A with pullup */
+							 1 11 0x1 0x0>;	/* PB11 periph A */
 					};
 
 					pinctrl_usart3_rts: usart3_rts-0 {
 						atmel,pins =
-							<3 8 0x2 0x0>;	/* PB8 periph B */
+							<2 8 0x2 0x0>;	/* PC8 periph B */
 					};
 
 					pinctrl_usart3_cts: usart3_cts-0 {
 						atmel,pins =
-							<3 10 0x2 0x0>;	/* PB10 periph B */
+							<2 10 0x2 0x0>;	/* PC10 periph B */
 					};
 				};
 
@@ -220,8 +220,8 @@
 				uart1 {
 					pinctrl_uart1: uart1-0 {
 						atmel,pins =
-							<2 12 0x1 0x1	/* PB12 periph A with pullup */
-							 2 13 0x1 0x0>;	/* PB13 periph A */
+							<1 12 0x1 0x1	/* PB12 periph A with pullup */
+							 1 13 0x1 0x0>;	/* PB13 periph A */
 					};
 				};
 
diff --git a/arch/arm/boot/dts/at91sam9g15.dtsi b/arch/arm/boot/dts/at91sam9g15.dtsi
index fbe7a70..28467fd 100644
--- a/arch/arm/boot/dts/at91sam9g15.dtsi
+++ b/arch/arm/boot/dts/at91sam9g15.dtsi
@@ -10,7 +10,7 @@
 
 / {
 	model = "Atmel AT91SAM9G15 SoC";
-	compatible = "atmel, at91sam9g15, atmel,at91sam9x5";
+	compatible = "atmel,at91sam9g15", "atmel,at91sam9x5";
 
 	ahb {
 		apb {
diff --git a/arch/arm/boot/dts/at91sam9g15ek.dts b/arch/arm/boot/dts/at91sam9g15ek.dts
index 86dd3f6..5427b2d 100644
--- a/arch/arm/boot/dts/at91sam9g15ek.dts
+++ b/arch/arm/boot/dts/at91sam9g15ek.dts
@@ -11,6 +11,6 @@
 /include/ "at91sam9x5ek.dtsi"
 
 / {
-	model = "Atmel AT91SAM9G25-EK";
+	model = "Atmel AT91SAM9G15-EK";
 	compatible = "atmel,at91sam9g15ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
 };
diff --git a/arch/arm/boot/dts/at91sam9g25.dtsi b/arch/arm/boot/dts/at91sam9g25.dtsi
index 05a718f..5fd32df 100644
--- a/arch/arm/boot/dts/at91sam9g25.dtsi
+++ b/arch/arm/boot/dts/at91sam9g25.dtsi
@@ -10,7 +10,7 @@
 
 / {
 	model = "Atmel AT91SAM9G25 SoC";
-	compatible = "atmel, at91sam9g25, atmel,at91sam9x5";
+	compatible = "atmel,at91sam9g25", "atmel,at91sam9x5";
 
 	ahb {
 		apb {
diff --git a/arch/arm/boot/dts/at91sam9g35.dtsi b/arch/arm/boot/dts/at91sam9g35.dtsi
index f9d14a7..d6fa8af 100644
--- a/arch/arm/boot/dts/at91sam9g35.dtsi
+++ b/arch/arm/boot/dts/at91sam9g35.dtsi
@@ -10,7 +10,7 @@
 
 / {
 	model = "Atmel AT91SAM9G35 SoC";
-	compatible = "atmel, at91sam9g35, atmel,at91sam9x5";
+	compatible = "atmel,at91sam9g35", "atmel,at91sam9x5";
 
 	ahb {
 		apb {
diff --git a/arch/arm/boot/dts/at91sam9x25.dtsi b/arch/arm/boot/dts/at91sam9x25.dtsi
index 54eb33b..9ac2bc2 100644
--- a/arch/arm/boot/dts/at91sam9x25.dtsi
+++ b/arch/arm/boot/dts/at91sam9x25.dtsi
@@ -10,7 +10,7 @@
 
 / {
 	model = "Atmel AT91SAM9X25 SoC";
-	compatible = "atmel, at91sam9x25, atmel,at91sam9x5";
+	compatible = "atmel,at91sam9x25", "atmel,at91sam9x5";
 
 	ahb {
 		apb {
diff --git a/arch/arm/boot/dts/at91sam9x35.dtsi b/arch/arm/boot/dts/at91sam9x35.dtsi
index fb102d6..ba67d83 100644
--- a/arch/arm/boot/dts/at91sam9x35.dtsi
+++ b/arch/arm/boot/dts/at91sam9x35.dtsi
@@ -10,7 +10,7 @@
 
 / {
 	model = "Atmel AT91SAM9X35 SoC";
-	compatible = "atmel, at91sam9x35, atmel,at91sam9x5";
+	compatible = "atmel,at91sam9x35", "atmel,at91sam9x5";
 
 	ahb {
 		apb {
diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
index 8a7cf1d..ccab256 100644
--- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
@@ -13,7 +13,7 @@
 	compatible = "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
 
 	chosen {
-		bootargs = "128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
+		bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
 	};
 
 	ahb {
diff --git a/arch/arm/configs/at91sam9g45_defconfig b/arch/arm/configs/at91sam9g45_defconfig
index 606d48f..8aab786 100644
--- a/arch/arm/configs/at91sam9g45_defconfig
+++ b/arch/arm/configs/at91sam9g45_defconfig
@@ -173,7 +173,6 @@ CONFIG_MMC=y
 # CONFIG_MMC_BLOCK_BOUNCE is not set
 CONFIG_SDIO_UART=m
 CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
 CONFIG_LEDS_ATMEL_PWM=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_TRIGGER_TIMER=y
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index c094749..26e9ce4 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -61,6 +61,15 @@ extern void __pgd_error(const char *file, int line, pgd_t);
 #define FIRST_USER_ADDRESS	PAGE_SIZE
 
 /*
+ * Use TASK_SIZE as the ceiling argument for free_pgtables() and
+ * free_pgd_range() to avoid freeing the modules pmd when LPAE is enabled (pmd
+ * page shared between user and kernel).
+ */
+#ifdef CONFIG_ARM_LPAE
+#define USER_PGTABLES_CEILING	TASK_SIZE
+#endif
+
+/*
  * The pgprot_* and protection_map entries will be fixed up in runtime
  * to include the cachable and bufferable bits based on memory policy,
  * as well as any architecture dependent bits like global/ASID and SMP
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 4b67847..6b4608d 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -333,7 +333,7 @@ static void at91_dt_rstc(void)
 
 	of_id = of_match_node(rstc_ids, np);
 	if (!of_id)
-		panic("AT91: rtsc no restart function availlable\n");
+		panic("AT91: rtsc no restart function available\n");
 
 	arm_pm_restart = of_id->data;
 
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index 22590db..aa20002 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -265,8 +265,9 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev,
 static DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev);
 
 static struct cpuidle_driver omap3_idle_driver = {
-	.name =		"omap3_idle",
-	.owner =	THIS_MODULE,
+	.name             = "omap3_idle",
+	.owner            = THIS_MODULE,
+	.en_core_tk_irqen = 1,
 	.states = {
 		{
 			.enter		  = omap3_enter_idle_bm,
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
index 1e49d90..0320495 100644
--- a/arch/arm/mach-u300/include/mach/u300-regs.h
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -95,7 +95,7 @@
 #define U300_SPI_BASE			(U300_FAST_PER_PHYS_BASE+0x6000)
 
 /* Fast UART1 on U335 only */
-#define U300_UART1_BASE			(U300_SLOW_PER_PHYS_BASE+0x7000)
+#define U300_UART1_BASE			(U300_FAST_PER_PHYS_BASE+0x7000)
 
 /*
  * SLOW peripherals
diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig
index 0421498..9791820 100644
--- a/arch/avr32/configs/favr-32_defconfig
+++ b/arch/avr32/configs/favr-32_defconfig
@@ -122,7 +122,6 @@ CONFIG_USB_G_SERIAL=m
 CONFIG_USB_CDC_COMPOSITE=m
 CONFIG_MMC=y
 CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_ATMEL_PWM=m
diff --git a/arch/avr32/configs/merisc_defconfig b/arch/avr32/configs/merisc_defconfig
index 3befab9..65de443 100644
--- a/arch/avr32/configs/merisc_defconfig
+++ b/arch/avr32/configs/merisc_defconfig
@@ -102,7 +102,6 @@ CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_LOGO=y
 CONFIG_MMC=y
 CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_ATMEL_PWM=y
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index d2bf1fd..76acbcd 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -106,16 +106,15 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 		return -EFAULT;
 
 	{
-		register unsigned long r8 __asm ("r8");
+		register unsigned long r8 __asm ("r8") = 0;
 		unsigned long prev;
 		__asm__ __volatile__(
 			"	mf;;					\n"
-			"	mov %0=r0				\n"
 			"	mov ar.ccv=%4;;				\n"
 			"[1:]	cmpxchg4.acq %1=[%2],%3,ar.ccv		\n"
 			"	.xdata4 \"__ex_table\", 1b-., 2f-.	\n"
 			"[2:]"
-			: "=r" (r8), "=r" (prev)
+			: "+r" (r8), "=&r" (prev)
 			: "r" (uaddr), "r" (newval),
 			  "rO" ((long) (unsigned) oldval)
 			: "memory");
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h
index 43f96ab..8c70961 100644
--- a/arch/ia64/include/asm/mca.h
+++ b/arch/ia64/include/asm/mca.h
@@ -143,6 +143,7 @@ extern unsigned long __per_cpu_mca[NR_CPUS];
 extern int cpe_vector;
 extern int ia64_cpe_irq;
 extern void ia64_mca_init(void);
+extern void ia64_mca_irq_init(void);
 extern void ia64_mca_cpu_init(void *);
 extern void ia64_os_mca_dispatch(void);
 extern void ia64_os_mca_dispatch_end(void);
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index ad69606..f2c41828 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -23,6 +23,8 @@
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 
+#include <asm/mca.h>
+
 /*
  * 'what should we do if we get a hw irq event on an illegal vector'.
  * each architecture has to answer this themselves.
@@ -83,6 +85,12 @@ bool is_affinity_mask_valid(const struct cpumask *cpumask)
 
 #endif /* CONFIG_SMP */
 
+int __init arch_early_irq_init(void)
+{
+	ia64_mca_irq_init();
+	return 0;
+}
+
 #ifdef CONFIG_HOTPLUG_CPU
 unsigned int vectors_in_migration[NR_IRQS];
 
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 65bf9cd..d7396db 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -2074,22 +2074,16 @@ ia64_mca_init(void)
 	printk(KERN_INFO "MCA related initialization done\n");
 }
 
+
 /*
- * ia64_mca_late_init
- *
- *	Opportunity to setup things that require initialization later
- *	than ia64_mca_init.  Setup a timer to poll for CPEs if the
- *	platform doesn't support an interrupt driven mechanism.
- *
- *  Inputs  :   None
- *  Outputs :   Status
+ * These pieces cannot be done in ia64_mca_init() because it is called before
+ * early_irq_init() which would wipe out our percpu irq registrations. But we
+ * cannot leave them until ia64_mca_late_init() because by then all the other
+ * processors have been brought online and have set their own CMC vectors to
+ * point at a non-existant action. Called from arch_early_irq_init().
  */
-static int __init
-ia64_mca_late_init(void)
+void __init ia64_mca_irq_init(void)
 {
-	if (!mca_init)
-		return 0;
-
 	/*
 	 *  Configure the CMCI/P vector and handler. Interrupts for CMC are
 	 *  per-processor, so AP CMC interrupts are setup in smp_callin() (smpboot.c).
@@ -2108,6 +2102,23 @@ ia64_mca_late_init(void)
 	/* Setup the CPEI/P handler */
 	register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
 #endif
+}
+
+/*
+ * ia64_mca_late_init
+ *
+ *	Opportunity to setup things that require initialization later
+ *	than ia64_mca_init.  Setup a timer to poll for CPEs if the
+ *	platform doesn't support an interrupt driven mechanism.
+ *
+ *  Inputs  :   None
+ *  Outputs :   Status
+ */
+static int __init
+ia64_mca_late_init(void)
+{
+	if (!mca_init)
+		return 0;
 
 	register_hotcpu_notifier(&mca_cpu_notifier);
 
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index 4332f7e..a7869f8 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -256,7 +256,7 @@ u64 guest_vhpt_lookup(u64 iha, u64 *pte)
 			"srlz.d;;"
 			"ssm psr.i;;"
 			"srlz.d;;"
-			: "=r"(ret) : "r"(iha), "r"(pte):"memory");
+			: "=&r"(ret) : "r"(iha), "r"(pte) : "memory");
 
 	return ret;
 }
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 57cf140..0c0fc7b 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -64,6 +64,7 @@ _GLOBAL(__restore_cpu_power8)
 	mflr	r11
 	mfmsr	r3
 	rldicl.	r0,r3,4,63
+	mtlr	r11
 	beqlr
 	li	r0,0
 	mtspr	SPRN_LPID,r0
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 3684cbd..bb11075 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -740,7 +740,7 @@ hardware_interrupt_relon_hv:
 		_MASKABLE_RELON_EXCEPTION_PSERIES(0x502, hardware_interrupt, EXC_HV, SOFTEN_TEST_HV)
 	FTR_SECTION_ELSE
 		_MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt, EXC_STD, SOFTEN_TEST_PR)
-	ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_206)
+	ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
 	STD_RELON_EXCEPTION_PSERIES(0x4600, 0x600, alignment)
 	STD_RELON_EXCEPTION_PSERIES(0x4700, 0x700, program_check)
 	STD_RELON_EXCEPTION_PSERIES(0x4800, 0x800, fp_unavailable)
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 116f086..1a63feb 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -490,6 +490,7 @@ _GLOBAL(copy_and_flush)
 	sync
 	addi	r5,r5,8
 	addi	r6,r6,8
+	isync
 	blr
 
 .align 8
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index dba1ce2..506dc9f 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -99,6 +99,7 @@ spufs_new_inode(struct super_block *sb, umode_t mode)
 	if (!inode)
 		goto out;
 
+	inode->i_ino = get_next_ino();
 	inode->i_mode = mode;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
index 93c6d39..b0f7d39 100644
--- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
@@ -42,6 +42,8 @@
  * SOFTWARE.
  */
 
+#include <asm/inst.h>
+
 ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction
 
 .macro LABEL prefix n
@@ -224,10 +226,10 @@ LABEL crc_ %i
 	movdqa  (bufp), %xmm0			# 2 consts: K1:K2
 
 	movq    crc_init, %xmm1			# CRC for block 1
-	pclmulqdq $0x00,%xmm0,%xmm1		# Multiply by K2
+	PCLMULQDQ 0x00,%xmm0,%xmm1		# Multiply by K2
 
 	movq    crc1, %xmm2			# CRC for block 2
-	pclmulqdq $0x10, %xmm0, %xmm2		# Multiply by K1
+	PCLMULQDQ 0x10, %xmm0, %xmm2		# Multiply by K1
 
 	pxor    %xmm2,%xmm1
 	movq    %xmm1, %rax
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index e4595f1..84b7789 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -165,10 +165,6 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
 u64 arch_irq_stat(void)
 {
 	u64 sum = atomic_read(&irq_err_count);
-
-#ifdef CONFIG_X86_IO_APIC
-	sum += atomic_read(&irq_mis_count);
-#endif
 	return sum;
 }
 
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a27e763..d330b3c 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4030,6 +4030,10 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
 		break;
 	case OpMem8:
 		ctxt->memop.bytes = 1;
+		if (ctxt->memop.type == OP_REG) {
+			ctxt->memop.addr.reg = decode_register(ctxt, ctxt->modrm_rm, 1);
+			fetch_register_operand(&ctxt->memop);
+		}
 		goto mem_common;
 	case OpMem16:
 		ctxt->memop.bytes = 2;
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 2262003..08c6511 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1589,8 +1589,11 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self,
 	switch (action) {
 	case CPU_UP_PREPARE:
 		xen_vcpu_setup(cpu);
-		if (xen_have_vector_callback)
+		if (xen_have_vector_callback) {
 			xen_init_lock_cpu(cpu);
+			if (xen_feature(XENFEAT_hvm_safe_pvclock))
+				xen_setup_timer(cpu);
+		}
 		break;
 	default:
 		break;
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 34bc4ce..48d7b2c 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -658,6 +658,8 @@ static void xen_hvm_cpu_die(unsigned int cpu)
 	unbind_from_irqhandler(per_cpu(xen_debug_irq, cpu), NULL);
 	unbind_from_irqhandler(per_cpu(xen_callfuncsingle_irq, cpu), NULL);
 	unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
+	xen_uninit_lock_cpu(cpu);
+	xen_teardown_timer(cpu);
 	native_cpu_die(cpu);
 }
 
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 0296a95..054cc01 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -497,7 +497,11 @@ static void xen_hvm_setup_cpu_clockevents(void)
 {
 	int cpu = smp_processor_id();
 	xen_setup_runstate_info(cpu);
-	xen_setup_timer(cpu);
+	/*
+	 * xen_setup_timer(cpu) - snprintf is bad in atomic context. Hence
+	 * doing it xen_hvm_cpu_notify (which gets called by smp_init during
+	 * early bootup and also during CPU hotplug events).
+	 */
 	xen_setup_cpu_clockevents();
 }
 
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index bd22f86..2999966 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -642,7 +642,7 @@ void __init acpi_initrd_override(void *data, size_t size)
 	 * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area)
 	 * works fine.
 	 */
-	memblock_reserve(acpi_tables_addr, acpi_tables_addr + all_tables_size);
+	memblock_reserve(acpi_tables_addr, all_tables_size);
 	arch_reserve_mem_area(acpi_tables_addr, all_tables_size);
 
 	p = early_ioremap(acpi_tables_addr, all_tables_size);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index eb73798..77c9a92 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -240,8 +240,8 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root,
 		*control &= OSC_PCI_CONTROL_MASKS;
 		capbuf[OSC_CONTROL_TYPE] = *control | root->osc_control_set;
 	} else {
-		/* Run _OSC query for all possible controls. */
-		capbuf[OSC_CONTROL_TYPE] = OSC_PCI_CONTROL_MASKS;
+		/* Run _OSC query only with existing controls. */
+		capbuf[OSC_CONTROL_TYPE] = root->osc_control_set;
 	}
 
 	status = acpi_pci_run_osc(root->device->handle, capbuf, &result);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 506fbd4..25246e8 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -719,9 +719,19 @@ static int thermal_get_trend(struct thermal_zone_device *thermal,
 		return -EINVAL;
 
 	if (type == THERMAL_TRIP_ACTIVE) {
-		/* aggressive active cooling */
-		*trend = THERMAL_TREND_RAISING;
-		return 0;
+		unsigned long trip_temp;
+		unsigned long temp = KELVIN_TO_MILLICELSIUS(tz->temperature,
+							tz->kelvin_offset);
+		if (thermal_get_trip_temp(thermal, trip, &trip_temp))
+			return -EINVAL;
+
+		if (temp > trip_temp) {
+			*trend = THERMAL_TREND_RAISING;
+			return 0;
+		} else {
+			/* Fall back on default trend */
+			return -EINVAL;
+		}
 	}
 
 	/*
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index ef01ac0..cc8aa9e 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -60,7 +60,8 @@ acpi_handle ata_ap_acpi_handle(struct ata_port *ap)
 	if (ap->flags & ATA_FLAG_ACPI_SATA)
 		return NULL;
 
-	return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev), ap->port_no);
+	return ap->scsi_host ?
+		DEVICE_ACPI_HANDLE(&ap->scsi_host->shost_gendev) : NULL;
 }
 EXPORT_SYMBOL(ata_ap_acpi_handle);
 
@@ -239,28 +240,15 @@ void ata_acpi_dissociate(struct ata_host *host)
 	}
 }
 
-/**
- * ata_acpi_gtm - execute _GTM
- * @ap: target ATA port
- * @gtm: out parameter for _GTM result
- *
- * Evaluate _GTM and store the result in @gtm.
- *
- * LOCKING:
- * EH context.
- *
- * RETURNS:
- * 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure.
- */
-int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
+static int __ata_acpi_gtm(struct ata_port *ap, acpi_handle handle,
+			  struct ata_acpi_gtm *gtm)
 {
 	struct acpi_buffer output = { .length = ACPI_ALLOCATE_BUFFER };
 	union acpi_object *out_obj;
 	acpi_status status;
 	int rc = 0;
 
-	status = acpi_evaluate_object(ata_ap_acpi_handle(ap), "_GTM", NULL,
-				      &output);
+	status = acpi_evaluate_object(handle, "_GTM", NULL, &output);
 
 	rc = -ENOENT;
 	if (status == AE_NOT_FOUND)
@@ -294,6 +282,27 @@ int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
 	return rc;
 }
 
+/**
+ * ata_acpi_gtm - execute _GTM
+ * @ap: target ATA port
+ * @gtm: out parameter for _GTM result
+ *
+ * Evaluate _GTM and store the result in @gtm.
+ *
+ * LOCKING:
+ * EH context.
+ *
+ * RETURNS:
+ * 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure.
+ */
+int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
+{
+	if (ata_ap_acpi_handle(ap))
+		return __ata_acpi_gtm(ap, ata_ap_acpi_handle(ap), gtm);
+	else
+		return -EINVAL;
+}
+
 EXPORT_SYMBOL_GPL(ata_acpi_gtm);
 
 /**
@@ -1095,7 +1104,7 @@ static int ata_acpi_bind_host(struct ata_port *ap, acpi_handle *handle)
 	if (!*handle)
 		return -ENODEV;
 
-	if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0)
+	if (__ata_acpi_gtm(ap, *handle, &ap->__acpi_init_gtm) == 0)
 		ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
 
 	return 0;
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index 5dba77c..b1a664a 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -251,7 +251,7 @@ static const struct ata_port_info ahci_highbank_port_info = {
 };
 
 static struct scsi_host_template ahci_highbank_platform_sht = {
-	AHCI_SHT("highbank-ahci"),
+	AHCI_SHT("sata_highbank"),
 };
 
 static const struct of_device_id ahci_of_match[] = {
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 93211df..ba780b7 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1291,7 +1291,7 @@ int tpm_pm_suspend(struct device *dev)
 {
 	struct tpm_chip *chip = dev_get_drvdata(dev);
 	struct tpm_cmd_t cmd;
-	int rc;
+	int rc, try;
 
 	u8 dummy_hash[TPM_DIGEST_SIZE] = { 0 };
 
@@ -1309,9 +1309,32 @@ int tpm_pm_suspend(struct device *dev)
 	}
 
 	/* now do the actual savestate */
-	cmd.header.in = savestate_header;
-	rc = transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE,
-			  "sending savestate before suspend");
+	for (try = 0; try < TPM_RETRY; try++) {
+		cmd.header.in = savestate_header;
+		rc = transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL);
+
+		/*
+		 * If the TPM indicates that it is too busy to respond to
+		 * this command then retry before giving up.  It can take
+		 * several seconds for this TPM to be ready.
+		 *
+		 * This can happen if the TPM has already been sent the
+		 * SaveState command before the driver has loaded.  TCG 1.2
+		 * specification states that any communication after SaveState
+		 * may cause the TPM to invalidate previously saved state.
+		 */
+		if (rc != TPM_WARN_RETRY)
+			break;
+		msleep(TPM_TIMEOUT_RETRY);
+	}
+
+	if (rc)
+		dev_err(chip->dev,
+			"Error (%d) sending savestate before suspend\n", rc);
+	else if (try > 0)
+		dev_warn(chip->dev, "TPM savestate took %dms\n",
+			 try * TPM_TIMEOUT_RETRY);
+
 	return rc;
 }
 EXPORT_SYMBOL_GPL(tpm_pm_suspend);
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 8ef7649..9c12a52 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -32,10 +32,12 @@ enum tpm_const {
 	TPM_MINOR = 224,	/* officially assigned */
 	TPM_BUFSIZE = 4096,
 	TPM_NUM_DEVICES = 256,
+	TPM_RETRY = 50,		/* 5 seconds */
 };
 
 enum tpm_timeout {
 	TPM_TIMEOUT = 5,	/* msecs */
+	TPM_TIMEOUT_RETRY = 100 /* msecs */
 };
 
 /* TPM addresses */
@@ -44,6 +46,7 @@ enum tpm_addr {
 	TPM_ADDR = 0x4E,
 };
 
+#define TPM_WARN_RETRY          0x800
 #define TPM_WARN_DOING_SELFTEST 0x802
 #define TPM_ERR_DEACTIVATED     0x6
 #define TPM_ERR_DISABLED        0x7
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index f042f6d..fd7d66d 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -312,10 +312,8 @@ static void xiic_fill_tx_fifo(struct xiic_i2c *i2c)
 			/* last message in transfer -> STOP */
 			data |= XIIC_TX_DYN_STOP_MASK;
 			dev_dbg(i2c->adap.dev.parent, "%s TX STOP\n", __func__);
-
-			xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
-		} else
-			xiic_setreg8(i2c, XIIC_DTR_REG_OFFSET, data);
+		}
+		xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
 	}
 }
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index f363135..0411bde 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1564,8 +1564,8 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
 					     sector, count, 1) == 0)
 				return -EINVAL;
 		}
-	} else if (sb->bblog_offset == 0)
-		rdev->badblocks.shift = -1;
+	} else if (sb->bblog_offset != 0)
+		rdev->badblocks.shift = 0;
 
 	if (!refdev) {
 		ret = 1;
@@ -3221,7 +3221,7 @@ int md_rdev_init(struct md_rdev *rdev)
 	 * be used - I wonder if that matters
 	 */
 	rdev->badblocks.count = 0;
-	rdev->badblocks.shift = 0;
+	rdev->badblocks.shift = -1; /* disabled until explicitly enabled */
 	rdev->badblocks.page = kmalloc(PAGE_SIZE, GFP_KERNEL);
 	seqlock_init(&rdev->badblocks.lock);
 	if (rdev->badblocks.page == NULL)
@@ -3293,9 +3293,6 @@ static struct md_rdev *md_import_device(dev_t newdev, int super_format, int supe
 			goto abort_free;
 		}
 	}
-	if (super_format == -1)
-		/* hot-add for 0.90, or non-persistent: so no badblocks */
-		rdev->badblocks.shift = -1;
 
 	return rdev;
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index fd86b37..6af167f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -981,7 +981,12 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
 	while (bio) { /* submit pending writes */
 		struct bio *next = bio->bi_next;
 		bio->bi_next = NULL;
-		generic_make_request(bio);
+		if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+		    !blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
+			/* Just ignore it */
+			bio_endio(bio, 0);
+		else
+			generic_make_request(bio);
 		bio = next;
 	}
 	kfree(plug);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b3898d4..61ab219 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1087,7 +1087,12 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
 	while (bio) { /* submit pending writes */
 		struct bio *next = bio->bi_next;
 		bio->bi_next = NULL;
-		generic_make_request(bio);
+		if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+		    !blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
+			/* Just ignore it */
+			bio_endio(bio, 0);
+		else
+			generic_make_request(bio);
 		bio = next;
 	}
 	kfree(plug);
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index 210dd03..6b40e0c 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -36,6 +36,7 @@ struct adp5520_chip {
 	struct blocking_notifier_head notifier_list;
 	int irq;
 	unsigned long id;
+	uint8_t mode;
 };
 
 static int __adp5520_read(struct i2c_client *client,
@@ -326,7 +327,10 @@ static int adp5520_suspend(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
 
-	adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+	adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode);
+	/* All other bits are W1C */
+	chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY;
+	adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
 	return 0;
 }
 
@@ -335,7 +339,7 @@ static int adp5520_resume(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
 
-	adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+	adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode);
 	return 0;
 }
 #endif
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 089e8ea..2743b7d 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -368,13 +368,13 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 		ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];
 	card->ext_csd.raw_trim_mult =
 		ext_csd[EXT_CSD_TRIM_MULT];
+	card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
 	if (card->ext_csd.rev >= 4) {
 		/*
 		 * Enhanced area feature support -- check whether the eMMC
 		 * card has the Enhanced area enabled.  If so, export enhanced
 		 * area offset and size to user by adding sysfs interface.
 		 */
-		card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
 		if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) &&
 		    (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
 			hc_erase_grp_sz =
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 8d13c65..009dabd 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -292,16 +292,6 @@ config MMC_ATMELMCI
 
 	  If unsure, say N.
 
-config MMC_ATMELMCI_DMA
-	bool "Atmel MCI DMA support"
-	depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE
-	help
-	  Say Y here to have the Atmel MCI driver use a DMA engine to
-	  do data transfers and thus increase the throughput and
-	  reduce the CPU utilization.
-
-	  If unsure, say N.
-
 config MMC_MSM
 	tristate "Qualcomm SDCC Controller Support"
 	depends on MMC && ARCH_MSM
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 722af1d..e75774f 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -178,6 +178,7 @@ struct atmel_mci {
 	void __iomem		*regs;
 
 	struct scatterlist	*sg;
+	unsigned int		sg_len;
 	unsigned int		pio_offset;
 	unsigned int		*buffer;
 	unsigned int		buf_size;
@@ -892,6 +893,7 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data)
 	data->error = -EINPROGRESS;
 
 	host->sg = data->sg;
+	host->sg_len = data->sg_len;
 	host->data = data;
 	host->data_chan = NULL;
 
@@ -1826,7 +1828,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)
 			if (offset == sg->length) {
 				flush_dcache_page(sg_page(sg));
 				host->sg = sg = sg_next(sg);
-				if (!sg)
+				host->sg_len--;
+				if (!sg || !host->sg_len)
 					goto done;
 
 				offset = 0;
@@ -1839,7 +1842,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)
 
 			flush_dcache_page(sg_page(sg));
 			host->sg = sg = sg_next(sg);
-			if (!sg)
+			host->sg_len--;
+			if (!sg || !host->sg_len)
 				goto done;
 
 			offset = 4 - remaining;
@@ -1890,7 +1894,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
 			nbytes += 4;
 			if (offset == sg->length) {
 				host->sg = sg = sg_next(sg);
-				if (!sg)
+				host->sg_len--;
+				if (!sg || !host->sg_len)
 					goto done;
 
 				offset = 0;
@@ -1904,7 +1909,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
 			nbytes += remaining;
 
 			host->sg = sg = sg_next(sg);
-			if (!sg) {
+			host->sg_len--;
+			if (!sg || !host->sg_len) {
 				atmci_writel(host, ATMCI_TDR, value);
 				goto done;
 			}
@@ -2487,10 +2493,8 @@ static int __exit atmci_remove(struct platform_device *pdev)
 	atmci_readl(host, ATMCI_SR);
 	clk_disable(host->mck);
 
-#ifdef CONFIG_MMC_ATMELMCI_DMA
 	if (host->dma.chan)
 		dma_release_channel(host->dma.chan);
-#endif
 
 	free_irq(platform_get_irq(pdev, 0), host);
 	iounmap(host->regs);
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 2e5daee..a3f8a25 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -127,7 +127,6 @@ struct gianfar_ptp_registers {
 
 #define DRIVER		"gianfar_ptp"
 #define DEFAULT_CKSEL	1
-#define N_ALARM		1 /* first alarm is used internally to reset fipers */
 #define N_EXT_TS	2
 #define REG_SIZE	sizeof(struct gianfar_ptp_registers)
 
@@ -410,7 +409,7 @@ static struct ptp_clock_info ptp_gianfar_caps = {
 	.owner		= THIS_MODULE,
 	.name		= "gianfar clock",
 	.max_adj	= 512000,
-	.n_alarm	= N_ALARM,
+	.n_alarm	= 0,
 	.n_ext_ts	= N_EXT_TS,
 	.n_per_out	= 0,
 	.pps		= 1,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0d03d38..911956e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2407,6 +2407,16 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data)
 	 * with the write to EICR.
 	 */
 	eicr = IXGBE_READ_REG(hw, IXGBE_EICS);
+
+	/* The lower 16bits of the EICR register are for the queue interrupts
+	 * which should be masked here in order to not accidently clear them if
+	 * the bits are high when ixgbe_msix_other is called. There is a race
+	 * condition otherwise which results in possible performance loss
+	 * especially if the ixgbe_msix_other interrupt is triggering
+	 * consistently (as it would when PPS is turned on for the X540 device)
+	 */
+	eicr &= 0xFFFF0000;
+
 	IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr);
 
 	if (eicr & IXGBE_EICR_LSC)
diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
index 5b9533e..2c056b1 100644
--- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
@@ -2237,15 +2237,15 @@ static ssize_t iwl_dbgfs_log_event_read(struct file *file,
 					 size_t count, loff_t *ppos)
 {
 	struct iwl_priv *priv = file->private_data;
-	char *buf;
-	int pos = 0;
-	ssize_t ret = -ENOMEM;
+	char *buf = NULL;
+	ssize_t ret;
 
-	ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
-	if (buf) {
-		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-		kfree(buf);
-	}
+	ret = iwl_dump_nic_event_log(priv, true, &buf, true);
+	if (ret < 0)
+		goto err;
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+err:
+	kfree(buf);
 	return ret;
 }
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index bdba954..a8632a4 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -707,6 +707,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv,
 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	struct iwl_addsta_cmd sta_cmd;
+	static const struct iwl_link_quality_cmd zero_lq = {};
 	struct iwl_link_quality_cmd lq;
 	int i;
 	bool found = false;
@@ -745,7 +746,9 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 				else
 					memcpy(&lq, priv->stations[i].lq,
 					       sizeof(struct iwl_link_quality_cmd));
-				send_lq = true;
+
+				if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+					send_lq = true;
 			}
 			spin_unlock_bh(&priv->sta_lock);
 			ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 0bbea88..b7a5387 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1831,9 +1831,9 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter)
 	if (pdev) {
 		pci_iounmap(pdev, card->pci_mmap);
 		pci_iounmap(pdev, card->pci_mmap1);
-
-		pci_release_regions(pdev);
 		pci_disable_device(pdev);
+		pci_release_region(pdev, 2);
+		pci_release_region(pdev, 0);
 		pci_set_drvdata(pdev, NULL);
 	}
 }
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 197b446..0b55706 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4386,6 +4386,8 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 
 	if (!rt2x00_rt(rt2x00dev, RT5390) &&
 	    !rt2x00_rt(rt2x00dev, RT5392)) {
+		u8 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
+
 		rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
 		rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
 		if (rt2x00_rt(rt2x00dev, RT3070) ||
@@ -4396,8 +4398,10 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 				      &rt2x00dev->cap_flags))
 				rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
 		}
-		rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
-				  drv_data->txmixer_gain_24g);
+		if (drv_data->txmixer_gain_24g >= min_gain) {
+			rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
+					  drv_data->txmixer_gain_24g);
+		}
 		rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
 	}
 
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 5cb5820..d1b4e00 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -651,15 +651,11 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
 		error = platform_pci_set_power_state(dev, state);
 		if (!error)
 			pci_update_current_state(dev, state);
-		/* Fall back to PCI_D0 if native PM is not supported */
-		if (!dev->pm_cap)
-			dev->current_state = PCI_D0;
-	} else {
+	} else
 		error = -ENODEV;
-		/* Fall back to PCI_D0 if native PM is not supported */
-		if (!dev->pm_cap)
-			dev->current_state = PCI_D0;
-	}
+
+	if (error && !dev->pm_cap) /* Fall back to PCI_D0 */
+		dev->current_state = PCI_D0;
 
 	return error;
 }
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 16630aa..1c77423 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -805,9 +805,8 @@ static int cmos_suspend(struct device *dev)
 			mask = RTC_IRQMASK;
 		tmp &= ~mask;
 		CMOS_WRITE(tmp, RTC_CONTROL);
+		hpet_mask_rtc_irq_bit(mask);
 
-		/* shut down hpet emulation - we don't need it for alarm */
-		hpet_mask_rtc_irq_bit(RTC_PIE|RTC_AIE|RTC_UIE);
 		cmos_checkintr(cmos, tmp);
 	}
 	spin_unlock_irq(&rtc_lock);
@@ -872,6 +871,7 @@ static int cmos_resume(struct device *dev)
 			rtc_update_irq(cmos->rtc, 1, mask);
 			tmp &= ~RTC_AIE;
 			hpet_mask_rtc_irq_bit(RTC_AIE);
+			hpet_rtc_timer_init();
 		} while (mask & RTC_AIE);
 		spin_unlock_irq(&rtc_lock);
 	}
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index c44d13f..56dcd7c 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -567,6 +567,8 @@ static void __init sclp_add_standby_memory(void)
 	add_memory_merged(0);
 }
 
+#define MEM_SCT_SIZE (1UL << SECTION_SIZE_BITS)
+
 static void __init insert_increment(u16 rn, int standby, int assigned)
 {
 	struct memory_increment *incr, *new_incr;
@@ -579,7 +581,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
 	new_incr->rn = rn;
 	new_incr->standby = standby;
 	if (!standby)
-		new_incr->usecount = 1;
+		new_incr->usecount = rzm > MEM_SCT_SIZE ? rzm/MEM_SCT_SIZE : 1;
 	last_rn = 0;
 	prev = &sclp_mem_list;
 	list_for_each_entry(incr, &sclp_mem_list, list) {
diff --git a/drivers/staging/zsmalloc/Kconfig b/drivers/staging/zsmalloc/Kconfig
index 9084565..7fab032 100644
--- a/drivers/staging/zsmalloc/Kconfig
+++ b/drivers/staging/zsmalloc/Kconfig
@@ -1,5 +1,5 @@
 config ZSMALLOC
-	tristate "Memory allocator for compressed pages"
+	bool "Memory allocator for compressed pages"
 	default n
 	help
 	  zsmalloc is a slab-based memory allocator designed to store
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index 223c736..851a2ff 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -657,11 +657,8 @@ static inline void __zs_unmap_object(struct mapping_area *area,
 				struct page *pages[2], int off, int size)
 {
 	unsigned long addr = (unsigned long)area->vm_addr;
-	unsigned long end = addr + (PAGE_SIZE * 2);
 
-	flush_cache_vunmap(addr, end);
-	unmap_kernel_range_noflush(addr, PAGE_SIZE * 2);
-	flush_tlb_kernel_range(addr, end);
+	unmap_kernel_range(addr, PAGE_SIZE * 2);
 }
 
 #else /* USE_PGTABLE_MAPPING */
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index ac35c90..c830b60 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -675,6 +675,9 @@ static int ptmx_open(struct inode *inode, struct file *filp)
 
 	nonseekable_open(inode, filp);
 
+	/* We refuse fsnotify events on ptmx, since it's a shared resource */
+	filp->f_mode |= FMODE_NONOTIFY;
+
 	retval = tty_alloc_file(filp);
 	if (retval)
 		return retval;
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 2c7230a..4293a3e 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1940,6 +1940,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
 		mutex_unlock(&port->mutex);
 		return 0;
 	}
+	put_device(tty_dev);
+
 	if (console_suspend_enabled || !uart_console(uport))
 		uport->suspended = 1;
 
@@ -2005,9 +2007,11 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
 			disable_irq_wake(uport->irq);
 			uport->irq_wake = 0;
 		}
+		put_device(tty_dev);
 		mutex_unlock(&port->mutex);
 		return 0;
 	}
+	put_device(tty_dev);
 	uport->suspended = 0;
 
 	/*
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 892ecda..f34f98d 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -941,10 +941,10 @@ void start_tty(struct tty_struct *tty)
 
 EXPORT_SYMBOL(start_tty);
 
+/* We limit tty time update visibility to every 8 seconds or so. */
 static void tty_update_time(struct timespec *time)
 {
-	unsigned long sec = get_seconds();
-	sec -= sec % 60;
+	unsigned long sec = get_seconds() & ~7;
 	if ((long)(sec - time->tv_sec) > 0)
 		time->tv_sec = sec;
 }
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 2f45bba..c0f4066 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -461,6 +461,8 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
 		mReq->ptr->page[i] =
 			(mReq->req.dma + i * CI13XXX_PAGE_SIZE) & ~TD_RESERVED_MASK;
 
+	wmb();
+
 	if (!list_empty(&mEp->qh.queue)) {
 		struct ci13xxx_req *mReqPrev;
 		int n = hw_ep_bit(mEp->num, mEp->dir);
@@ -561,6 +563,12 @@ __acquires(mEp->lock)
 		struct ci13xxx_req *mReq = \
 			list_entry(mEp->qh.queue.next,
 				   struct ci13xxx_req, queue);
+
+		if (mReq->zptr) {
+			dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma);
+			mReq->zptr = NULL;
+		}
+
 		list_del_init(&mReq->queue);
 		mReq->req.status = -ESHUTDOWN;
 
diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h
index 4ff2384d..d12e8b5 100644
--- a/drivers/usb/chipidea/udc.h
+++ b/drivers/usb/chipidea/udc.h
@@ -40,7 +40,7 @@ struct ci13xxx_td {
 #define TD_CURR_OFFSET        (0x0FFFUL <<  0)
 #define TD_FRAME_NUM          (0x07FFUL <<  0)
 #define TD_RESERVED_MASK      (0x0FFFUL <<  0)
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
 
 /* DMA layout of queue heads */
 struct ci13xxx_qh {
@@ -57,7 +57,7 @@ struct ci13xxx_qh {
 	/* 9 */
 	u32 RESERVED;
 	struct usb_ctrlrequest   setup;
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
 
 /**
  * struct ci13xxx_req - usb request representation
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index b78fbe2..ea0a9a1 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -738,6 +738,8 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
 	index &= 0xff;
 	switch (requesttype & USB_RECIP_MASK) {
 	case USB_RECIP_ENDPOINT:
+		if ((index & ~USB_DIR_IN) == 0)
+			return 0;
 		ret = findintfep(ps->dev, index);
 		if (ret >= 0)
 			ret = checkintf(ps, ret);
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 416a6dc..83b5a172 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -670,9 +670,6 @@ int ehci_setup(struct usb_hcd *hcd)
 	if (retval)
 		return retval;
 
-	if (ehci_is_TDI(ehci))
-		tdi_reset(ehci);
-
 	ehci_reset(ehci);
 
 	return 0;
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 0fc6e5f..ba6a5d6 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -63,6 +63,7 @@ static const struct usb_device_id appledisplay_table[] = {
 	{ APPLEDISPLAY_DEVICE(0x9219) },
 	{ APPLEDISPLAY_DEVICE(0x921c) },
 	{ APPLEDISPLAY_DEVICE(0x921d) },
+	{ APPLEDISPLAY_DEVICE(0x9236) },
 
 	/* Terminating entry */
 	{ }
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8e4f40b..77f78ad 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -189,6 +189,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
@@ -870,7 +871,9 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
-	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
+	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
@@ -1792,20 +1795,24 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)
 }
 
 /*
- * First and second port on STMCLiteadaptors is reserved for JTAG interface
- * and the forth port for pio
+ * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
+ * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
+ * can be accessed from userspace.
+ * The next two ports are enabled as UARTs by default, where port 2 is
+ * a conventional RS-232 UART.
  */
 static int ftdi_stmclite_probe(struct usb_serial *serial)
 {
 	struct usb_device *udev = serial->dev;
 	struct usb_interface *interface = serial->interface;
 
-	if (interface == udev->actconfig->interface[2])
-		return 0;
-
-	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+	if (interface == udev->actconfig->interface[0] ||
+	    interface == udev->actconfig->interface[1]) {
+		dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+		return -ENODEV;
+	}
 
-	return -ENODEV;
+	return 0;
 }
 
 /*
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index e79861e..9852827 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -74,6 +74,7 @@
 #define FTDI_OPENDCC_THROTTLE_PID	0xBFDA
 #define FTDI_OPENDCC_GATEWAY_PID	0xBFDB
 #define FTDI_OPENDCC_GBM_PID	0xBFDC
+#define FTDI_OPENDCC_GBM_BOOST_PID	0xBFDD
 
 /* NZR SEM 16+ USB (http://www.nzr.de) */
 #define FTDI_NZR_SEM_USB_PID	0xC1E0	/* NZR SEM-LOG16+ */
@@ -1150,7 +1151,8 @@
  * STMicroelectonics
  */
 #define ST_VID			0x0483
-#define ST_STMCLT1030_PID	0x3747 /* ST Micro Connect Lite STMCLT1030 */
+#define ST_STMCLT_2232_PID	0x3746
+#define ST_STMCLT_4232_PID	0x3747
 
 /*
  * Papouch products (http://www.papouch.com/)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 558adfc..bff059a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -347,6 +347,7 @@ static void option_instat_callback(struct urb *urb);
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID			0x0b3c
 #define OLIVETTI_PRODUCT_OLICARD100		0xc000
+#define OLIVETTI_PRODUCT_OLICARD145		0xc003
 
 /* Celot products */
 #define CELOT_VENDOR_ID				0x211f
@@ -1273,6 +1274,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
 
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
 	{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
 	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
@@ -1350,6 +1352,12 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x02, 0x01) },	/* D-Link DWM-156 (variant) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x00, 0x00) },	/* D-Link DWM-156 (variant) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x02, 0x01) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c
index 070b5c0..d944088 100644
--- a/drivers/usb/storage/cypress_atacb.c
+++ b/drivers/usb/storage/cypress_atacb.c
@@ -248,14 +248,26 @@ static int cypress_probe(struct usb_interface *intf,
 {
 	struct us_data *us;
 	int result;
+	struct usb_device *device;
 
 	result = usb_stor_probe1(&us, intf, id,
 			(id - cypress_usb_ids) + cypress_unusual_dev_list);
 	if (result)
 		return result;
 
-	us->protocol_name = "Transparent SCSI with Cypress ATACB";
-	us->proto_handler = cypress_atacb_passthrough;
+	/* Among CY7C68300 chips, the A revision does not support Cypress ATACB
+	 * Filter out this revision from EEPROM default descriptor values
+	 */
+	device = interface_to_usbdev(intf);
+	if (device->descriptor.iManufacturer != 0x38 ||
+	    device->descriptor.iProduct != 0x4e ||
+	    device->descriptor.iSerialNumber != 0x64) {
+		us->protocol_name = "Transparent SCSI with Cypress ATACB";
+		us->proto_handler = cypress_atacb_passthrough;
+	} else {
+		us->protocol_name = "Transparent SCSI";
+		us->proto_handler = usb_stor_transparent_scsi_command;
+	}
 
 	result = usb_stor_probe2(us);
 	return result;
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 501c599..6e696e6 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1228,6 +1228,8 @@ static void fbcon_deinit(struct vc_data *vc)
 finished:
 
 	fbcon_free_font(p, free_font);
+	if (free_font)
+		vc->vc_font.data = NULL;
 
 	if (!con_is_bound(&fb_con))
 		fbcon_exit();
diff --git a/fs/dcache.c b/fs/dcache.c
index c3bbf85..de73da2 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1232,8 +1232,10 @@ void shrink_dcache_parent(struct dentry * parent)
 	LIST_HEAD(dispose);
 	int found;
 
-	while ((found = select_parent(parent, &dispose)) != 0)
+	while ((found = select_parent(parent, &dispose)) != 0) {
 		shrink_dentry_list(&dispose);
+		cond_resched();
+	}
 }
 EXPORT_SYMBOL(shrink_dcache_parent);
 
diff --git a/fs/exec.c b/fs/exec.c
index 20df02c..ac014f1 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -613,7 +613,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
 		 * when the old and new regions overlap clear from new_end.
 		 */
 		free_pgd_range(&tlb, new_end, old_end, new_end,
-			vma->vm_next ? vma->vm_next->vm_start : 0);
+			vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING);
 	} else {
 		/*
 		 * otherwise, clean from old_start; this is done to not touch
@@ -622,7 +622,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
 		 * for the others its just a little faster.
 		 */
 		free_pgd_range(&tlb, old_start, old_end, new_end,
-			vma->vm_next ? vma->vm_next->vm_start : 0);
+			vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING);
 	}
 	tlb_finish_mmu(&tlb, new_end, old_end);
 
@@ -898,11 +898,13 @@ static int de_thread(struct task_struct *tsk)
 
 		sig->notify_count = -1;	/* for exit_notify() */
 		for (;;) {
+			threadgroup_change_begin(tsk);
 			write_lock_irq(&tasklist_lock);
 			if (likely(leader->exit_state))
 				break;
 			__set_current_state(TASK_KILLABLE);
 			write_unlock_irq(&tasklist_lock);
+			threadgroup_change_end(tsk);
 			schedule();
 			if (unlikely(__fatal_signal_pending(tsk)))
 				goto killed;
@@ -960,6 +962,7 @@ static int de_thread(struct task_struct *tsk)
 		if (unlikely(leader->ptrace))
 			__wake_up_parent(leader, leader->parent);
 		write_unlock_irq(&tasklist_lock);
+		threadgroup_change_end(tsk);
 
 		release_task(leader);
 	}
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 9873587..efea5d5 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -71,4 +71,5 @@ config EXT4_DEBUG
 	  Enables run-time debugging support for the ext4 filesystem.
 
 	  If you select Y here, then you will be able to turn on debugging
-	  with a command such as "echo 1 > /sys/kernel/debug/ext4/mballoc-debug"
+	  with a command such as:
+		echo 1 > /sys/module/ext4/parameters/mballoc_debug
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 7177f9b..dbd9ae1 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -170,16 +170,20 @@ static inline void ext4_journal_callback_add(handle_t *handle,
  * ext4_journal_callback_del: delete a registered callback
  * @handle: active journal transaction handle on which callback was registered
  * @jce: registered journal callback entry to unregister
+ * Return true if object was sucessfully removed
  */
-static inline void ext4_journal_callback_del(handle_t *handle,
+static inline bool ext4_journal_callback_try_del(handle_t *handle,
 					     struct ext4_journal_cb_entry *jce)
 {
+	bool deleted;
 	struct ext4_sb_info *sbi =
 			EXT4_SB(handle->h_transaction->t_journal->j_private);
 
 	spin_lock(&sbi->s_md_lock);
+	deleted = !list_empty(&jce->jce_list);
 	list_del_init(&jce->jce_list);
 	spin_unlock(&sbi->s_md_lock);
+	return deleted;
 }
 
 int
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 3278e64..e0ba8a4 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -166,8 +166,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	if (journal->j_flags & JBD2_BARRIER &&
 	    !jbd2_trans_will_send_data_barrier(journal, commit_tid))
 		needs_barrier = true;
-	jbd2_log_start_commit(journal, commit_tid);
-	ret = jbd2_log_wait_commit(journal, commit_tid);
+	ret = jbd2_complete_transaction(journal, commit_tid);
 	if (needs_barrier) {
 		err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
 		if (!ret)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 22c5c67..c0fbd96 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -55,21 +55,21 @@ static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw,
 	__u16 csum_hi = 0;
 	__u32 csum;
 
-	csum_lo = raw->i_checksum_lo;
+	csum_lo = le16_to_cpu(raw->i_checksum_lo);
 	raw->i_checksum_lo = 0;
 	if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE &&
 	    EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi)) {
-		csum_hi = raw->i_checksum_hi;
+		csum_hi = le16_to_cpu(raw->i_checksum_hi);
 		raw->i_checksum_hi = 0;
 	}
 
 	csum = ext4_chksum(sbi, ei->i_csum_seed, (__u8 *)raw,
 			   EXT4_INODE_SIZE(inode->i_sb));
 
-	raw->i_checksum_lo = csum_lo;
+	raw->i_checksum_lo = cpu_to_le16(csum_lo);
 	if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE &&
 	    EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi))
-		raw->i_checksum_hi = csum_hi;
+		raw->i_checksum_hi = cpu_to_le16(csum_hi);
 
 	return csum;
 }
@@ -216,8 +216,7 @@ void ext4_evict_inode(struct inode *inode)
 			journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
 			tid_t commit_tid = EXT4_I(inode)->i_datasync_tid;
 
-			jbd2_log_start_commit(journal, commit_tid);
-			jbd2_log_wait_commit(journal, commit_tid);
+			jbd2_complete_transaction(journal, commit_tid);
 			filemap_write_and_wait(&inode->i_data);
 		}
 		truncate_inode_pages(&inode->i_data, 0);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 82f8c2d..b443e62 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4449,11 +4449,11 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
 	node = rb_prev(new_node);
 	if (node) {
 		entry = rb_entry(node, struct ext4_free_data, efd_node);
-		if (can_merge(entry, new_entry)) {
+		if (can_merge(entry, new_entry) &&
+		    ext4_journal_callback_try_del(handle, &entry->efd_jce)) {
 			new_entry->efd_start_cluster = entry->efd_start_cluster;
 			new_entry->efd_count += entry->efd_count;
 			rb_erase(node, &(db->bb_free_root));
-			ext4_journal_callback_del(handle, &entry->efd_jce);
 			kmem_cache_free(ext4_free_data_cachep, entry);
 		}
 	}
@@ -4461,10 +4461,10 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
 	node = rb_next(new_node);
 	if (node) {
 		entry = rb_entry(node, struct ext4_free_data, efd_node);
-		if (can_merge(new_entry, entry)) {
+		if (can_merge(new_entry, entry) &&
+		    ext4_journal_callback_try_del(handle, &entry->efd_jce)) {
 			new_entry->efd_count += entry->efd_count;
 			rb_erase(node, &(db->bb_free_root));
-			ext4_journal_callback_del(handle, &entry->efd_jce);
 			kmem_cache_free(ext4_free_data_cachep, entry);
 		}
 	}
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 44734f1..fe201c6 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -7,7 +7,7 @@
 #include "ext4.h"
 
 /* Checksumming functions */
-static __u32 ext4_mmp_csum(struct super_block *sb, struct mmp_struct *mmp)
+static __le32 ext4_mmp_csum(struct super_block *sb, struct mmp_struct *mmp)
 {
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	int offset = offsetof(struct mmp_struct, mmp_checksum);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 9eace36..a2fe9f5 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1341,6 +1341,8 @@ static void ext4_update_super(struct super_block *sb,
 
 	/* Update the global fs size fields */
 	sbi->s_groups_count += flex_gd->count;
+	sbi->s_blockfile_groups = min_t(ext4_group_t, sbi->s_groups_count,
+			(EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
 
 	/* Update the reserved block counts only once the new group is
 	 * active. */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 24c767d..5575a45 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -452,10 +452,13 @@ static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)
 	struct super_block		*sb = journal->j_private;
 	struct ext4_sb_info		*sbi = EXT4_SB(sb);
 	int				error = is_journal_aborted(journal);
-	struct ext4_journal_cb_entry	*jce, *tmp;
+	struct ext4_journal_cb_entry	*jce;
 
+	BUG_ON(txn->t_state == T_FINISHED);
 	spin_lock(&sbi->s_md_lock);
-	list_for_each_entry_safe(jce, tmp, &txn->t_private_list, jce_list) {
+	while (!list_empty(&txn->t_private_list)) {
+		jce = list_entry(txn->t_private_list.next,
+				 struct ext4_journal_cb_entry, jce_list);
 		list_del_init(&jce->jce_list);
 		spin_unlock(&sbi->s_md_lock);
 		jce->jce_func(sb, jce, error);
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index 8179e8b..40d13c7 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -287,5 +287,5 @@ const struct file_operations fscache_stats_fops = {
 	.open		= fscache_stats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release        = single_release,
 };
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 3091d42..069bf58 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -382,7 +382,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 	int space_left = 0;
 	int first_tag = 0;
 	int tag_flag;
-	int i, to_free = 0;
+	int i;
 	int tag_bytes = journal_tag_bytes(journal);
 	struct buffer_head *cbh = NULL; /* For transactional checksums */
 	__u32 crc32_sum = ~0;
@@ -1126,7 +1126,7 @@ restart_loop:
 	journal->j_stats.run.rs_blocks_logged += stats.run.rs_blocks_logged;
 	spin_unlock(&journal->j_history_lock);
 
-	commit_transaction->t_state = T_FINISHED;
+	commit_transaction->t_state = T_COMMIT_CALLBACK;
 	J_ASSERT(commit_transaction == journal->j_committing_transaction);
 	journal->j_commit_sequence = commit_transaction->t_tid;
 	journal->j_committing_transaction = NULL;
@@ -1141,38 +1141,44 @@ restart_loop:
 				journal->j_average_commit_time*3) / 4;
 	else
 		journal->j_average_commit_time = commit_time;
+
 	write_unlock(&journal->j_state_lock);
 
-	if (commit_transaction->t_checkpoint_list == NULL &&
-	    commit_transaction->t_checkpoint_io_list == NULL) {
-		__jbd2_journal_drop_transaction(journal, commit_transaction);
-		to_free = 1;
+	if (journal->j_checkpoint_transactions == NULL) {
+		journal->j_checkpoint_transactions = commit_transaction;
+		commit_transaction->t_cpnext = commit_transaction;
+		commit_transaction->t_cpprev = commit_transaction;
 	} else {
-		if (journal->j_checkpoint_transactions == NULL) {
-			journal->j_checkpoint_transactions = commit_transaction;
-			commit_transaction->t_cpnext = commit_transaction;
-			commit_transaction->t_cpprev = commit_transaction;
-		} else {
-			commit_transaction->t_cpnext =
-				journal->j_checkpoint_transactions;
-			commit_transaction->t_cpprev =
-				commit_transaction->t_cpnext->t_cpprev;
-			commit_transaction->t_cpnext->t_cpprev =
-				commit_transaction;
-			commit_transaction->t_cpprev->t_cpnext =
+		commit_transaction->t_cpnext =
+			journal->j_checkpoint_transactions;
+		commit_transaction->t_cpprev =
+			commit_transaction->t_cpnext->t_cpprev;
+		commit_transaction->t_cpnext->t_cpprev =
+			commit_transaction;
+		commit_transaction->t_cpprev->t_cpnext =
 				commit_transaction;
-		}
 	}
 	spin_unlock(&journal->j_list_lock);
-
+	/* Drop all spin_locks because commit_callback may be block.
+	 * __journal_remove_checkpoint() can not destroy transaction
+	 * under us because it is not marked as T_FINISHED yet */
 	if (journal->j_commit_callback)
 		journal->j_commit_callback(journal, commit_transaction);
 
 	trace_jbd2_end_commit(journal, commit_transaction);
 	jbd_debug(1, "JBD2: commit %d complete, head %d\n",
 		  journal->j_commit_sequence, journal->j_tail_sequence);
-	if (to_free)
-		jbd2_journal_free_transaction(commit_transaction);
 
+	write_lock(&journal->j_state_lock);
+	spin_lock(&journal->j_list_lock);
+	commit_transaction->t_state = T_FINISHED;
+	/* Recheck checkpoint lists after j_list_lock was dropped */
+	if (commit_transaction->t_checkpoint_list == NULL &&
+	    commit_transaction->t_checkpoint_io_list == NULL) {
+		__jbd2_journal_drop_transaction(journal, commit_transaction);
+		jbd2_journal_free_transaction(commit_transaction);
+	}
+	spin_unlock(&journal->j_list_lock);
+	write_unlock(&journal->j_state_lock);
 	wake_up(&journal->j_wait_done_commit);
 }
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index dbf41f9..42f8cf6c 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -698,6 +698,37 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid)
 }
 
 /*
+ * When this function returns the transaction corresponding to tid
+ * will be completed.  If the transaction has currently running, start
+ * committing that transaction before waiting for it to complete.  If
+ * the transaction id is stale, it is by definition already completed,
+ * so just return SUCCESS.
+ */
+int jbd2_complete_transaction(journal_t *journal, tid_t tid)
+{
+	int	need_to_wait = 1;
+
+	read_lock(&journal->j_state_lock);
+	if (journal->j_running_transaction &&
+	    journal->j_running_transaction->t_tid == tid) {
+		if (journal->j_commit_request != tid) {
+			/* transaction not yet started, so request it */
+			read_unlock(&journal->j_state_lock);
+			jbd2_log_start_commit(journal, tid);
+			goto wait_commit;
+		}
+	} else if (!(journal->j_committing_transaction &&
+		     journal->j_committing_transaction->t_tid == tid))
+		need_to_wait = 0;
+	read_unlock(&journal->j_state_lock);
+	if (!need_to_wait)
+		return 0;
+wait_commit:
+	return jbd2_log_wait_commit(journal, tid);
+}
+EXPORT_SYMBOL(jbd2_complete_transaction);
+
+/*
  * Log buffer allocation routines:
  */
 
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index ca0a080..193f04c 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -144,6 +144,9 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
 			timeout);
 	if (ret < 0)
 		return -ERESTARTSYS;
+	/* Reset the lock status after a server reboot so we resend */
+	if (block->b_status == nlm_lck_denied_grace_period)
+		block->b_status = nlm_lck_blocked;
 	req->a_res.status = block->b_status;
 	return 0;
 }
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 52e5120..54f9e6c 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -550,9 +550,6 @@ again:
 		status = nlmclnt_block(block, req, NLMCLNT_POLL_TIMEOUT);
 		if (status < 0)
 			break;
-		/* Resend the blocking lock request after a server reboot */
-		if (resp->status ==  nlm_lck_denied_grace_period)
-			continue;
 		if (resp->status != nlm_lck_blocked)
 			break;
 	}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3d905e3..51d53a4 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1374,6 +1374,12 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
 			case -ENOMEM:
 				err = 0;
 				goto out;
+			case -NFS4ERR_DELAY:
+			case -NFS4ERR_GRACE:
+				set_bit(NFS_DELEGATED_STATE, &state->flags);
+				ssleep(1);
+				err = -EAGAIN;
+				goto out;
 		}
 		err = nfs4_handle_exception(server, err, &exception);
 	} while (exception.retry);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 9d1c5db..ec668e1 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -931,14 +931,14 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	nfs4_lock_state();
 	status = nfs4_preprocess_stateid_op(SVC_NET(rqstp),
 					cstate, stateid, WR_STATE, &filp);
-	if (filp)
-		get_file(filp);
-	nfs4_unlock_state();
-
 	if (status) {
+		nfs4_unlock_state();
 		dprintk("NFSD: nfsd4_write: couldn't process stateid!\n");
 		return status;
 	}
+	if (filp)
+		get_file(filp);
+	nfs4_unlock_state();
 
 	cnt = write->wr_buflen;
 	write->wr_how_written = write->wr_stable_how;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a8309c6..53a7c64 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -210,13 +210,7 @@ static void __nfs4_file_put_access(struct nfs4_file *fp, int oflag)
 {
 	if (atomic_dec_and_test(&fp->fi_access[oflag])) {
 		nfs4_file_put_fd(fp, oflag);
-		/*
-		 * It's also safe to get rid of the RDWR open *if*
-		 * we no longer have need of the other kind of access
-		 * or if we already have the other kind of open:
-		 */
-		if (fp->fi_fds[1-oflag]
-			|| atomic_read(&fp->fi_access[1 - oflag]) == 0)
+		if (atomic_read(&fp->fi_access[1 - oflag]) == 0)
 			nfs4_file_put_fd(fp, O_RDWR);
 	}
 }
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index d1dd710..cd5e6c1 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -344,10 +344,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
 			   all 32 bits of 'nseconds'. */
 			READ_BUF(12);
 			len += 12;
-			READ32(dummy32);
-			if (dummy32)
-				return nfserr_inval;
-			READ32(iattr->ia_atime.tv_sec);
+			READ64(iattr->ia_atime.tv_sec);
 			READ32(iattr->ia_atime.tv_nsec);
 			if (iattr->ia_atime.tv_nsec >= (u32)1000000000)
 				return nfserr_inval;
@@ -370,10 +367,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
 			   all 32 bits of 'nseconds'. */
 			READ_BUF(12);
 			len += 12;
-			READ32(dummy32);
-			if (dummy32)
-				return nfserr_inval;
-			READ32(iattr->ia_mtime.tv_sec);
+			READ64(iattr->ia_mtime.tv_sec);
 			READ32(iattr->ia_mtime.tv_nsec);
 			if (iattr->ia_mtime.tv_nsec >= (u32)1000000000)
 				return nfserr_inval;
@@ -2386,8 +2380,7 @@ out_acl:
 	if (bmval1 & FATTR4_WORD1_TIME_ACCESS) {
 		if ((buflen -= 12) < 0)
 			goto out_resource;
-		WRITE32(0);
-		WRITE32(stat.atime.tv_sec);
+		WRITE64((s64)stat.atime.tv_sec);
 		WRITE32(stat.atime.tv_nsec);
 	}
 	if (bmval1 & FATTR4_WORD1_TIME_DELTA) {
@@ -2400,15 +2393,13 @@ out_acl:
 	if (bmval1 & FATTR4_WORD1_TIME_METADATA) {
 		if ((buflen -= 12) < 0)
 			goto out_resource;
-		WRITE32(0);
-		WRITE32(stat.ctime.tv_sec);
+		WRITE64((s64)stat.ctime.tv_sec);
 		WRITE32(stat.ctime.tv_nsec);
 	}
 	if (bmval1 & FATTR4_WORD1_TIME_MODIFY) {
 		if ((buflen -= 12) < 0)
 			goto out_resource;
-		WRITE32(0);
-		WRITE32(stat.mtime.tv_sec);
+		WRITE64((s64)stat.mtime.tv_sec);
 		WRITE32(stat.mtime.tv_nsec);
 	}
 	if (bmval1 & FATTR4_WORD1_MOUNTED_ON_FILEID) {
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 07f7a92..595343e 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -574,7 +574,6 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
 	int add = (arg & IN_MASK_ADD);
 	int ret;
 
-	/* don't allow invalid bits: we don't want flags set */
 	mask = inotify_arg_to_mask(arg);
 
 	fsn_mark = fsnotify_find_inode_mark(group, inode);
@@ -625,7 +624,6 @@ static int inotify_new_watch(struct fsnotify_group *group,
 	struct idr *idr = &group->inotify_data.idr;
 	spinlock_t *idr_lock = &group->inotify_data.idr_lock;
 
-	/* don't allow invalid bits: we don't want flags set */
 	mask = inotify_arg_to_mask(arg);
 
 	tmp_i_mark = kmem_cache_alloc(inotify_inode_mark_cachep, GFP_KERNEL);
@@ -753,6 +751,10 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
 	int ret;
 	unsigned flags = 0;
 
+	/* don't allow invalid bits: we don't want flags set */
+	if (unlikely(!(mask & ALL_INOTIFY_BITS)))
+		return -EINVAL;
+
 	f = fdget(fd);
 	if (unlikely(!f.file))
 		return -EBADF;
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 1f8c823..d924812 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -1012,6 +1012,7 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 	enum kobj_ns_type type;
 	const void *ns;
 	ino_t ino;
+	loff_t off;
 
 	type = sysfs_ns_type(parent_sd);
 	ns = sysfs_info(dentry->d_sb)->ns[type];
@@ -1034,6 +1035,7 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 			return 0;
 	}
 	mutex_lock(&sysfs_mutex);
+	off = filp->f_pos;
 	for (pos = sysfs_dir_pos(ns, parent_sd, filp->f_pos, pos);
 	     pos;
 	     pos = sysfs_dir_next_pos(ns, parent_sd, filp->f_pos, pos)) {
@@ -1045,19 +1047,24 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 		len = strlen(name);
 		ino = pos->s_ino;
 		type = dt_type(pos);
-		filp->f_pos = pos->s_hash;
+		off = filp->f_pos = pos->s_hash;
 		filp->private_data = sysfs_get(pos);
 
 		mutex_unlock(&sysfs_mutex);
-		ret = filldir(dirent, name, len, filp->f_pos, ino, type);
+		ret = filldir(dirent, name, len, off, ino, type);
 		mutex_lock(&sysfs_mutex);
 		if (ret < 0)
 			break;
 	}
 	mutex_unlock(&sysfs_mutex);
-	if ((filp->f_pos > 1) && !pos) { /* EOF */
-		filp->f_pos = INT_MAX;
+
+	/* don't reference last entry if its refcount is dropped */
+	if (!pos) {
 		filp->private_data = NULL;
+
+		/* EOF and not changed as 0 or 1 in read/write path */
+		if (off == filp->f_pos && off > 1)
+			filp->f_pos = INT_MAX;
 	}
 	return 0;
 }
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 5cf680a..f50a87d 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -7,6 +7,16 @@
 #include <linux/mm_types.h>
 #include <linux/bug.h>
 
+/*
+ * On almost all architectures and configurations, 0 can be used as the
+ * upper ceiling to free_pgtables(): on many architectures it has the same
+ * effect as using TASK_SIZE.  However, there is one configuration which
+ * must impose a more careful limit, to avoid freeing kernel pgtables.
+ */
+#ifndef USER_PGTABLES_CEILING
+#define USER_PGTABLES_CEILING	0UL
+#endif
+
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 extern int ptep_set_access_flags(struct vm_area_struct *vma,
 				 unsigned long address, pte_t *ptep,
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 7d73905..2322df7 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -303,9 +303,6 @@ struct cftype {
 	/* CFTYPE_* flags */
 	unsigned int flags;
 
-	/* file xattrs */
-	struct simple_xattrs xattrs;
-
 	int (*open)(struct inode *inode, struct file *file);
 	ssize_t (*read)(struct cgroup *cgrp, struct cftype *cft,
 			struct file *file,
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index ae221a7..c4d870b 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -43,8 +43,8 @@ struct ipc_namespace {
 
 	size_t		shm_ctlmax;
 	size_t		shm_ctlall;
+	unsigned long	shm_tot;
 	int		shm_ctlmni;
-	int		shm_tot;
 	/*
 	 * Defines whether IPC_RMID is forced for _all_ shm segments regardless
 	 * of shmctl()
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index e30b663..383bef0 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -498,6 +498,7 @@ struct transaction_s
 		T_COMMIT,
 		T_COMMIT_DFLUSH,
 		T_COMMIT_JFLUSH,
+		T_COMMIT_CALLBACK,
 		T_FINISHED
 	}			t_state;
 
@@ -1210,6 +1211,7 @@ int __jbd2_log_start_commit(journal_t *journal, tid_t tid);
 int jbd2_journal_start_commit(journal_t *journal, tid_t *tid);
 int jbd2_journal_force_commit_nested(journal_t *journal);
 int jbd2_log_wait_commit(journal_t *journal, tid_t tid);
+int jbd2_complete_transaction(journal_t *journal, tid_t tid);
 int jbd2_log_do_checkpoint(journal_t *journal);
 int jbd2_trans_will_send_data_barrier(journal_t *journal, tid_t tid);
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7e49270..f5ad26e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2486,27 +2486,18 @@ static inline void threadgroup_change_end(struct task_struct *tsk)
  *
  * Lock the threadgroup @tsk belongs to.  No new task is allowed to enter
  * and member tasks aren't allowed to exit (as indicated by PF_EXITING) or
- * perform exec.  This is useful for cases where the threadgroup needs to
- * stay stable across blockable operations.
+ * change ->group_leader/pid.  This is useful for cases where the threadgroup
+ * needs to stay stable across blockable operations.
  *
  * fork and exit paths explicitly call threadgroup_change_{begin|end}() for
  * synchronization.  While held, no new task will be added to threadgroup
  * and no existing live task will have its PF_EXITING set.
  *
- * During exec, a task goes and puts its thread group through unusual
- * changes.  After de-threading, exclusive access is assumed to resources
- * which are usually shared by tasks in the same group - e.g. sighand may
- * be replaced with a new one.  Also, the exec'ing task takes over group
- * leader role including its pid.  Exclude these changes while locked by
- * grabbing cred_guard_mutex which is used to synchronize exec path.
+ * de_thread() does threadgroup_change_{begin|end}() when a non-leader
+ * sub-thread becomes a new leader.
  */
 static inline void threadgroup_lock(struct task_struct *tsk)
 {
-	/*
-	 * exec uses exit for de-threading nesting group_rwsem inside
-	 * cred_guard_mutex. Grab cred_guard_mutex first.
-	 */
-	mutex_lock(&tsk->signal->cred_guard_mutex);
 	down_write(&tsk->signal->group_rwsem);
 }
 
@@ -2519,7 +2510,6 @@ static inline void threadgroup_lock(struct task_struct *tsk)
 static inline void threadgroup_unlock(struct task_struct *tsk)
 {
 	up_write(&tsk->signal->group_rwsem);
-	mutex_unlock(&tsk->signal->cred_guard_mutex);
 }
 #else
 static inline void threadgroup_change_begin(struct task_struct *tsk) {}
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index f841ba4..dfb42ca 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1787,6 +1787,7 @@ struct snd_emu10k1 {
 	unsigned int next_free_voice;
 
 	const struct firmware *firmware;
+	const struct firmware *dock_fw;
 
 #ifdef CONFIG_PM_SLEEP
 	unsigned int *saved_ptr;
diff --git a/ipc/shm.c b/ipc/shm.c
index 4fa6d8f..9bab650 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -462,7 +462,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
 	size_t size = params->u.size;
 	int error;
 	struct shmid_kernel *shp;
-	int numpages = (size + PAGE_SIZE -1) >> PAGE_SHIFT;
+	size_t numpages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
 	struct file * file;
 	char name[13];
 	int id;
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 1e23664..cddf1d9 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -162,6 +162,9 @@ struct cfent {
 	struct list_head		node;
 	struct dentry			*dentry;
 	struct cftype			*type;
+
+	/* file xattrs */
+	struct simple_xattrs		xattrs;
 };
 
 /*
@@ -908,13 +911,12 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode)
 	} else {
 		struct cfent *cfe = __d_cfe(dentry);
 		struct cgroup *cgrp = dentry->d_parent->d_fsdata;
-		struct cftype *cft = cfe->type;
 
 		WARN_ONCE(!list_empty(&cfe->node) &&
 			  cgrp != &cgrp->root->top_cgroup,
 			  "cfe still linked for %s\n", cfe->type->name);
+		simple_xattrs_free(&cfe->xattrs);
 		kfree(cfe);
-		simple_xattrs_free(&cft->xattrs);
 	}
 	iput(inode);
 }
@@ -2066,7 +2068,7 @@ static int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 	if (!group)
 		return -ENOMEM;
 	/* pre-allocate to guarantee space while iterating in rcu read-side. */
-	retval = flex_array_prealloc(group, 0, group_size - 1, GFP_KERNEL);
+	retval = flex_array_prealloc(group, 0, group_size, GFP_KERNEL);
 	if (retval)
 		goto out_free_group_list;
 
@@ -2553,7 +2555,7 @@ static struct simple_xattrs *__d_xattrs(struct dentry *dentry)
 	if (S_ISDIR(dentry->d_inode->i_mode))
 		return &__d_cgrp(dentry)->xattrs;
 	else
-		return &__d_cft(dentry)->xattrs;
+		return &__d_cfe(dentry)->xattrs;
 }
 
 static inline int xattr_enabled(struct dentry *dentry)
@@ -2729,8 +2731,6 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys,
 	umode_t mode;
 	char name[MAX_CGROUP_TYPE_NAMELEN + MAX_CFTYPE_NAME + 2] = { 0 };
 
-	simple_xattrs_init(&cft->xattrs);
-
 	if (subsys && !test_bit(ROOT_NOPREFIX, &cgrp->root->flags)) {
 		strcpy(name, subsys->name);
 		strcat(name, ".");
@@ -2755,6 +2755,7 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys,
 		cfe->type = (void *)cft;
 		cfe->dentry = dentry;
 		dentry->d_fsdata = cfe;
+		simple_xattrs_init(&cfe->xattrs);
 		list_add_tail(&cfe->node, &parent->files);
 		cfe = NULL;
 	}
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index e4cee8d..60f7e32 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -298,6 +298,10 @@ ktime_t ktime_sub_ns(const ktime_t kt, u64 nsec)
 	} else {
 		unsigned long rem = do_div(nsec, NSEC_PER_SEC);
 
+		/* Make sure nsec fits into long */
+		if (unlikely(nsec > KTIME_SEC_MAX))
+			return (ktime_t){ .tv64 = KTIME_MAX };
+
 		tmp = ktime_set((long)nsec, rem);
 	}
 
@@ -1308,6 +1312,8 @@ retry:
 
 				expires = ktime_sub(hrtimer_get_expires(timer),
 						    base->offset);
+				if (expires.tv64 < 0)
+					expires.tv64 = KTIME_MAX;
 				if (expires.tv64 < expires_next.tv64)
 					expires_next = expires;
 				break;
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 0d095dc..93f8e8f 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -97,7 +97,7 @@ static const struct file_operations rcubarrier_fops = {
 	.open = rcubarrier_open,
 	.read = seq_read,
 	.llseek = no_llseek,
-	.release = seq_release,
+	.release = single_release,
 };
 
 #ifdef CONFIG_RCU_BOOST
@@ -208,7 +208,7 @@ static const struct file_operations rcuexp_fops = {
 	.open = rcuexp_open,
 	.read = seq_read,
 	.llseek = no_llseek,
-	.release = seq_release,
+	.release = single_release,
 };
 
 #ifdef CONFIG_RCU_BOOST
@@ -308,7 +308,7 @@ static const struct file_operations rcuhier_fops = {
 	.open = rcuhier_open,
 	.read = seq_read,
 	.llseek = no_llseek,
-	.release = seq_release,
+	.release = single_release,
 };
 
 static void show_one_rcugp(struct seq_file *m, struct rcu_state *rsp)
@@ -350,7 +350,7 @@ static const struct file_operations rcugp_fops = {
 	.open = rcugp_open,
 	.read = seq_read,
 	.llseek = no_llseek,
-	.release = seq_release,
+	.release = single_release,
 };
 
 static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp)
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index a13987a..239a323 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -66,6 +66,8 @@ static void tick_broadcast_start_periodic(struct clock_event_device *bc)
  */
 int tick_check_broadcast_device(struct clock_event_device *dev)
 {
+	struct clock_event_device *cur = tick_broadcast_device.evtdev;
+
 	if ((dev->features & CLOCK_EVT_FEAT_DUMMY) ||
 	    (tick_broadcast_device.evtdev &&
 	     tick_broadcast_device.evtdev->rating >= dev->rating) ||
@@ -73,6 +75,8 @@ int tick_check_broadcast_device(struct clock_event_device *dev)
 		return 0;
 
 	clockevents_exchange_device(tick_broadcast_device.evtdev, dev);
+	if (cur)
+		cur->event_handler = clockevents_handle_noop;
 	tick_broadcast_device.evtdev = dev;
 	if (!cpumask_empty(tick_get_broadcast_mask()))
 		tick_broadcast_start_periodic(dev);
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index b1600a6..7076b3f 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -323,6 +323,7 @@ static void tick_shutdown(unsigned int *cpup)
 		 */
 		dev->mode = CLOCK_EVT_MODE_UNUSED;
 		clockevents_exchange_device(dev, NULL);
+		dev->event_handler = clockevents_handle_noop;
 		td->evtdev = NULL;
 	}
 	raw_spin_unlock_irqrestore(&tick_device_lock, flags);
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 35cc3a8..03dbc77 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -650,7 +650,7 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat)
 
 	pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE);
 
-	for (i = 0; i < pages; i++) {
+	for (i = 1; i < pages; i++) {
 		pg->next = (void *)get_zeroed_page(GFP_KERNEL);
 		if (!pg->next)
 			goto out_free;
@@ -3714,7 +3714,8 @@ out:
 	if (fail)
 		return -EINVAL;
 
-	ftrace_graph_filter_enabled = 1;
+	ftrace_graph_filter_enabled = !!(*idx);
+
 	return 0;
 }
 
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index fe1d581..1c82852 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4885,6 +4885,8 @@ static __init int tracer_init_debugfs(void)
 	trace_access_lock_init();
 
 	d_tracer = tracing_init_dentry();
+	if (!d_tracer)
+		return 0;
 
 	trace_create_file("trace_options", 0644, d_tracer,
 			NULL, &tracing_iter_fops);
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 83a8b5b..b20428c 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -20,13 +20,24 @@
 
 #define STACK_TRACE_ENTRIES 500
 
+#ifdef CC_USING_FENTRY
+# define fentry		1
+#else
+# define fentry		0
+#endif
+
 static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES+1] =
 	 { [0 ... (STACK_TRACE_ENTRIES)] = ULONG_MAX };
 static unsigned stack_dump_index[STACK_TRACE_ENTRIES];
 
+/*
+ * Reserve one entry for the passed in ip. This will allow
+ * us to remove most or all of the stack size overhead
+ * added by the stack tracer itself.
+ */
 static struct stack_trace max_stack_trace = {
-	.max_entries		= STACK_TRACE_ENTRIES,
-	.entries		= stack_dump_trace,
+	.max_entries		= STACK_TRACE_ENTRIES - 1,
+	.entries		= &stack_dump_trace[1],
 };
 
 static unsigned long max_stack_size;
@@ -39,25 +50,34 @@ static DEFINE_MUTEX(stack_sysctl_mutex);
 int stack_tracer_enabled;
 static int last_stack_tracer_enabled;
 
-static inline void check_stack(void)
+static inline void
+check_stack(unsigned long ip, unsigned long *stack)
 {
 	unsigned long this_size, flags;
 	unsigned long *p, *top, *start;
+	static int tracer_frame;
+	int frame_size = ACCESS_ONCE(tracer_frame);
 	int i;
 
-	this_size = ((unsigned long)&this_size) & (THREAD_SIZE-1);
+	this_size = ((unsigned long)stack) & (THREAD_SIZE-1);
 	this_size = THREAD_SIZE - this_size;
+	/* Remove the frame of the tracer */
+	this_size -= frame_size;
 
 	if (this_size <= max_stack_size)
 		return;
 
 	/* we do not handle interrupt stacks yet */
-	if (!object_is_on_stack(&this_size))
+	if (!object_is_on_stack(stack))
 		return;
 
 	local_irq_save(flags);
 	arch_spin_lock(&max_stack_lock);
 
+	/* In case another CPU set the tracer_frame on us */
+	if (unlikely(!frame_size))
+		this_size -= tracer_frame;
+
 	/* a race could have already updated it */
 	if (this_size <= max_stack_size)
 		goto out;
@@ -70,10 +90,18 @@ static inline void check_stack(void)
 	save_stack_trace(&max_stack_trace);
 
 	/*
+	 * Add the passed in ip from the function tracer.
+	 * Searching for this on the stack will skip over
+	 * most of the overhead from the stack tracer itself.
+	 */
+	stack_dump_trace[0] = ip;
+	max_stack_trace.nr_entries++;
+
+	/*
 	 * Now find where in the stack these are.
 	 */
 	i = 0;
-	start = &this_size;
+	start = stack;
 	top = (unsigned long *)
 		(((unsigned long)start & ~(THREAD_SIZE-1)) + THREAD_SIZE);
 
@@ -97,6 +125,18 @@ static inline void check_stack(void)
 				found = 1;
 				/* Start the search from here */
 				start = p + 1;
+				/*
+				 * We do not want to show the overhead
+				 * of the stack tracer stack in the
+				 * max stack. If we haven't figured
+				 * out what that is, then figure it out
+				 * now.
+				 */
+				if (unlikely(!tracer_frame) && i == 1) {
+					tracer_frame = (p - stack) *
+						sizeof(unsigned long);
+					max_stack_size -= tracer_frame;
+				}
 			}
 		}
 
@@ -113,6 +153,7 @@ static void
 stack_trace_call(unsigned long ip, unsigned long parent_ip,
 		 struct ftrace_ops *op, struct pt_regs *pt_regs)
 {
+	unsigned long stack;
 	int cpu;
 
 	preempt_disable_notrace();
@@ -122,7 +163,26 @@ stack_trace_call(unsigned long ip, unsigned long parent_ip,
 	if (per_cpu(trace_active, cpu)++ != 0)
 		goto out;
 
-	check_stack();
+	/*
+	 * When fentry is used, the traced function does not get
+	 * its stack frame set up, and we lose the parent.
+	 * The ip is pretty useless because the function tracer
+	 * was called before that function set up its stack frame.
+	 * In this case, we use the parent ip.
+	 *
+	 * By adding the return address of either the parent ip
+	 * or the current ip we can disregard most of the stack usage
+	 * caused by the stack tracer itself.
+	 *
+	 * The function tracer always reports the address of where the
+	 * mcount call was, but the stack will hold the return address.
+	 */
+	if (fentry)
+		ip = parent_ip;
+	else
+		ip += MCOUNT_INSN_SIZE;
+
+	check_stack(ip, &stack);
 
  out:
 	per_cpu(trace_active, cpu)--;
@@ -371,6 +431,8 @@ static __init int stack_trace_init(void)
 	struct dentry *d_tracer;
 
 	d_tracer = tracing_init_dentry();
+	if (!d_tracer)
+		return 0;
 
 	trace_create_file("stack_max_size", 0644, d_tracer,
 			&max_stack_size, &stack_max_size_fops);
diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index 96cffb2..847f88a 100644
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -307,6 +307,8 @@ static int tracing_stat_init(void)
 	struct dentry *d_tracing;
 
 	d_tracing = tracing_init_dentry();
+	if (!d_tracing)
+		return 0;
 
 	stat_dir = debugfs_create_dir("trace_stat", d_tracing);
 	if (!stat_dir)
diff --git a/lib/oid_registry.c b/lib/oid_registry.c
index d8de11f..318f382 100644
--- a/lib/oid_registry.c
+++ b/lib/oid_registry.c
@@ -9,6 +9,7 @@
  * 2 of the Licence, or (at your option) any later version.
  */
 
+#include <linux/module.h>
 #include <linux/export.h>
 #include <linux/oid_registry.h>
 #include <linux/kernel.h>
@@ -16,6 +17,10 @@
 #include <linux/bug.h>
 #include "oid_registry_data.c"
 
+MODULE_DESCRIPTION("OID Registry");
+MODULE_AUTHOR("Red Hat, Inc.");
+MODULE_LICENSE("GPL");
+
 /**
  * look_up_OID - Find an OID registration for the specified data
  * @data: Binary representation of the OID
diff --git a/mm/mmap.c b/mm/mmap.c
index 90db251..32f3372 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2289,7 +2289,7 @@ static void unmap_region(struct mm_struct *mm,
 	update_hiwater_rss(mm);
 	unmap_vmas(&tlb, vma, start, end);
 	free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS,
-				 next ? next->vm_start : 0);
+				 next ? next->vm_start : USER_PGTABLES_CEILING);
 	tlb_finish_mmu(&tlb, start, end);
 }
 
@@ -2667,7 +2667,7 @@ void exit_mmap(struct mm_struct *mm)
 	/* Use -1 here to ensure all VMAs in the mm are unmapped */
 	unmap_vmas(&tlb, vma, 0, -1);
 
-	free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0);
+	free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);
 	tlb_finish_mmu(&tlb, 0, -1);
 
 	/*
diff --git a/mm/page_io.c b/mm/page_io.c
index 78eee32..6182870 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -214,6 +214,7 @@ int swap_writepage(struct page *page, struct writeback_control *wbc)
 		kiocb.ki_left = PAGE_SIZE;
 		kiocb.ki_nbytes = PAGE_SIZE;
 
+		set_page_writeback(page);
 		unlock_page(page);
 		ret = mapping->a_ops->direct_IO(KERNEL_WRITE,
 						&kiocb, &iov,
@@ -222,7 +223,23 @@ int swap_writepage(struct page *page, struct writeback_control *wbc)
 		if (ret == PAGE_SIZE) {
 			count_vm_event(PSWPOUT);
 			ret = 0;
+		} else {
+			/*
+			 * In the case of swap-over-nfs, this can be a
+			 * temporary failure if the system has limited
+			 * memory for allocating transmit buffers.
+			 * Mark the page dirty and avoid
+			 * rotate_reclaimable_page but rate-limit the
+			 * messages but do not flag PageError like
+			 * the normal direct-to-bio case as it could
+			 * be temporary.
+			 */
+			set_page_dirty(page);
+			ClearPageReclaim(page);
+			pr_err_ratelimited("Write error on dio swapfile (%Lu)\n",
+				page_file_offset(page));
 		}
+		end_page_writeback(page);
 		return ret;
 	}
 
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 79a48f3..64619f4 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -52,8 +52,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 	ieee80211_stop_queues_by_reason(hw,
 			IEEE80211_QUEUE_STOP_REASON_SUSPEND);
 
-	/* flush out all packets */
-	synchronize_net();
+	/* flush out all packets and station cleanup call_rcu()s */
+	rcu_barrier();
 
 	drv_flush(local, false);
 
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 82c4fc7..91ef82b 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -883,7 +883,7 @@ static void handle_channel(struct wiphy *wiphy,
 			return;
 
 		REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
-		chan->flags = IEEE80211_CHAN_DISABLED;
+		chan->flags |= IEEE80211_CHAN_DISABLED;
 		return;
 	}
 
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 3368939..68b85e1 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -156,7 +156,6 @@ sub read_kconfig {
 
     my $state = "NONE";
     my $config;
-    my @kconfigs;
 
     my $cont = 0;
     my $line;
@@ -190,7 +189,13 @@ sub read_kconfig {
 
 	# collect any Kconfig sources
 	if (/^source\s*"(.*)"/) {
-	    $kconfigs[$#kconfigs+1] = $1;
+	    my $kconfig = $1;
+	    # prevent reading twice.
+	    if (!defined($read_kconfigs{$kconfig})) {
+		$read_kconfigs{$kconfig} = 1;
+		read_kconfig($kconfig);
+	    }
+	    next;
 	}
 
 	# configs found
@@ -250,14 +255,6 @@ sub read_kconfig {
 	}
     }
     close($kinfile);
-
-    # read in any configs that were found.
-    foreach my $kconfig (@kconfigs) {
-	if (!defined($read_kconfigs{$kconfig})) {
-	    $read_kconfigs{$kconfig} = 1;
-	    read_kconfig($kconfig);
-	}
-    }
 }
 
 if ($kconfig) {
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index e6b0166..bdd888e 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -657,14 +657,14 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
 	return 0;
 }
 
-static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu)
+static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu,
+				     const struct firmware *fw_entry)
 {
 	int n, i;
 	int reg;
 	int value;
 	unsigned int write_post;
 	unsigned long flags;
-	const struct firmware *fw_entry = emu->firmware;
 
 	if (!fw_entry)
 		return -EIO;
@@ -725,9 +725,34 @@ static int emu1010_firmware_thread(void *data)
 			/* Return to Audio Dock programming mode */
 			snd_printk(KERN_INFO "emu1010: Loading Audio Dock Firmware\n");
 			snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_AUDIODOCK);
-			err = snd_emu1010_load_firmware(emu);
-			if (err != 0)
-				continue;
+
+			if (!emu->dock_fw) {
+				const char *filename = NULL;
+				switch (emu->card_capabilities->emu_model) {
+				case EMU_MODEL_EMU1010:
+					filename = DOCK_FILENAME;
+					break;
+				case EMU_MODEL_EMU1010B:
+					filename = MICRO_DOCK_FILENAME;
+					break;
+				case EMU_MODEL_EMU1616:
+					filename = MICRO_DOCK_FILENAME;
+					break;
+				}
+				if (filename) {
+					err = request_firmware(&emu->dock_fw,
+							       filename,
+							       &emu->pci->dev);
+					if (err)
+						continue;
+				}
+			}
+
+			if (emu->dock_fw) {
+				err = snd_emu1010_load_firmware(emu, emu->dock_fw);
+				if (err)
+					continue;
+			}
 
 			snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
 			snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &reg);
@@ -862,7 +887,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
 			   filename, emu->firmware->size);
 	}
 
-	err = snd_emu1010_load_firmware(emu);
+	err = snd_emu1010_load_firmware(emu, emu->firmware);
 	if (err != 0) {
 		snd_printk(KERN_INFO "emu1010: Loading Firmware failed\n");
 		return err;
@@ -1253,6 +1278,8 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
 		kthread_stop(emu->emu1010.firmware_thread);
 	if (emu->firmware)
 		release_firmware(emu->firmware);
+	if (emu->dock_fw)
+		release_firmware(emu->dock_fw);
 	if (emu->irq >= 0)
 		free_irq(emu->irq, emu);
 	/* remove reserved page */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index ee975a2..7f45d48 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5823,6 +5823,7 @@ enum {
 	ALC269_TYPE_ALC280,
 	ALC269_TYPE_ALC282,
 	ALC269_TYPE_ALC284,
+	ALC269_TYPE_ALC286,
 };
 
 /*
@@ -5846,6 +5847,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
 	case ALC269_TYPE_ALC269VB:
 	case ALC269_TYPE_ALC269VD:
 	case ALC269_TYPE_ALC282:
+	case ALC269_TYPE_ALC286:
 		ssids = alc269_ssids;
 		break;
 	default:
@@ -6451,6 +6453,9 @@ static int patch_alc269(struct hda_codec *codec)
 	case 0x10ec0292:
 		spec->codec_variant = ALC269_TYPE_ALC284;
 		break;
+	case 0x10ec0286:
+		spec->codec_variant = ALC269_TYPE_ALC286;
+		break;
 	}
 
 	/* automatic parse from the BIOS config */
@@ -7157,6 +7162,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = {
 	{ .id = 0x10ec0282, .name = "ALC282", .patch = patch_alc269 },
 	{ .id = 0x10ec0283, .name = "ALC283", .patch = patch_alc269 },
 	{ .id = 0x10ec0284, .name = "ALC284", .patch = patch_alc269 },
+	{ .id = 0x10ec0286, .name = "ALC286", .patch = patch_alc269 },
 	{ .id = 0x10ec0290, .name = "ALC290", .patch = patch_alc269 },
 	{ .id = 0x10ec0292, .name = "ALC292", .patch = patch_alc269 },
 	{ .id = 0x10ec0861, .rev = 0x100340, .name = "ALC660",
diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index a4c16fd..5d36319 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -2006,7 +2006,7 @@ static int max98088_probe(struct snd_soc_codec *codec)
                        ret);
                goto err_access;
        }
-       dev_info(codec->dev, "revision %c\n", ret + 'A');
+       dev_info(codec->dev, "revision %c\n", ret - 0x40 + 'A');
 
        snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);
 
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index e2ca12f..40dd50a 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -575,7 +575,6 @@ static void usb6fire_pcm_init_urb(struct pcm_urb *urb,
 	urb->instance.pipe = in ? usb_rcvisocpipe(chip->dev, ep)
 			: usb_sndisocpipe(chip->dev, ep);
 	urb->instance.interval = 1;
-	urb->instance.transfer_flags = URB_ISO_ASAP;
 	urb->instance.complete = handler;
 	urb->instance.context = urb;
 	urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB;
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index fde9a7a..b45e29b 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -670,7 +670,6 @@ static void read_completed(struct urb *urb)
 
 	if (send_it) {
 		out->number_of_packets = outframe;
-		out->transfer_flags = URB_ISO_ASAP;
 		usb_submit_urb(out, GFP_ATOMIC);
 	} else {
 		struct snd_usb_caiaq_cb_info *oinfo = out->context;
@@ -686,7 +685,6 @@ requeue:
 	}
 
 	urb->number_of_packets = FRAMES_PER_URB;
-	urb->transfer_flags = URB_ISO_ASAP;
 	usb_submit_urb(urb, GFP_ATOMIC);
 }
 
@@ -751,7 +749,6 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret)
 						* BYTES_PER_FRAME;
 		urbs[i]->context = &dev->data_cb_info[i];
 		urbs[i]->interval = 1;
-		urbs[i]->transfer_flags = URB_ISO_ASAP;
 		urbs[i]->number_of_packets = FRAMES_PER_URB;
 		urbs[i]->complete = (dir == SNDRV_PCM_STREAM_CAPTURE) ?
 					read_completed : write_completed;
diff --git a/sound/usb/card.c b/sound/usb/card.c
index ccf95cf..a9d5779 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -612,7 +612,9 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
 	int err = -ENODEV;
 
 	down_read(&chip->shutdown_rwsem);
-	if (!chip->shutdown && !chip->probing)
+	if (chip->probing)
+		err = 0;
+	else if (!chip->shutdown)
 		err = usb_autopm_get_interface(chip->pm_intf);
 	up_read(&chip->shutdown_rwsem);
 
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 8a751b4..d32ea41 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -116,6 +116,7 @@ struct snd_usb_substream {
 	unsigned int altset_idx;     /* USB data format: index of alternate setting */
 	unsigned int txfr_quirk:1;	/* allow sub-frame alignment */
 	unsigned int fmt_type;		/* USB audio format type (1-3) */
+	unsigned int pkt_offset_adj;	/* Bytes to drop from beginning of packets (for non-compliant devices) */
 
 	unsigned int running: 1;	/* running status */
 
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 21049b8..63cca3a 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -677,7 +677,7 @@ static int data_ep_set_params(struct snd_usb_endpoint *ep,
 		if (!u->urb->transfer_buffer)
 			goto out_of_memory;
 		u->urb->pipe = ep->pipe;
-		u->urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
+		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 		u->urb->interval = 1 << ep->datainterval;
 		u->urb->context = u;
 		u->urb->complete = snd_complete_urb;
@@ -716,8 +716,7 @@ static int sync_ep_set_params(struct snd_usb_endpoint *ep,
 		u->urb->transfer_dma = ep->sync_dma + i * 4;
 		u->urb->transfer_buffer_length = 4;
 		u->urb->pipe = ep->pipe;
-		u->urb->transfer_flags = URB_ISO_ASAP |
-					 URB_NO_TRANSFER_DMA_MAP;
+		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 		u->urb->number_of_packets = 1;
 		u->urb->interval = 1 << ep->syncinterval;
 		u->urb->context = u;
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 34b9bb7..e5fee18 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -126,7 +126,6 @@ struct snd_usb_midi {
 		struct snd_usb_midi_in_endpoint *in;
 	} endpoints[MIDI_MAX_ENDPOINTS];
 	unsigned long input_triggered;
-	bool autopm_reference;
 	unsigned int opened[2];
 	unsigned char disconnected;
 	unsigned char input_running;
@@ -1040,7 +1039,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
 {
 	struct snd_usb_midi* umidi = substream->rmidi->private_data;
 	struct snd_kcontrol *ctl;
-	int err;
 
 	down_read(&umidi->disc_rwsem);
 	if (umidi->disconnected) {
@@ -1051,13 +1049,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
 	mutex_lock(&umidi->mutex);
 	if (open) {
 		if (!umidi->opened[0] && !umidi->opened[1]) {
-			err = usb_autopm_get_interface(umidi->iface);
-			umidi->autopm_reference = err >= 0;
-			if (err < 0 && err != -EACCES) {
-				mutex_unlock(&umidi->mutex);
-				up_read(&umidi->disc_rwsem);
-				return -EIO;
-			}
 			if (umidi->roland_load_ctl) {
 				ctl = umidi->roland_load_ctl;
 				ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
@@ -1080,8 +1071,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
 				snd_ctl_notify(umidi->card,
 				       SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
 			}
-			if (umidi->autopm_reference)
-				usb_autopm_put_interface(umidi->iface);
 		}
 	}
 	mutex_unlock(&umidi->mutex);
@@ -2256,6 +2245,8 @@ int snd_usbmidi_create(struct snd_card *card,
 		return err;
 	}
 
+	usb_autopm_get_interface_no_resume(umidi->iface);
+
 	list_add_tail(&umidi->list, midi_list);
 	return 0;
 }
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 8b81cb5..6ad617b 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -1120,8 +1120,7 @@ static int alloc_stream_urbs(struct ua101 *ua, struct ua101_stream *stream,
 			usb_init_urb(&urb->urb);
 			urb->urb.dev = ua->dev;
 			urb->urb.pipe = stream->usb_pipe;
-			urb->urb.transfer_flags = URB_ISO_ASAP |
-					URB_NO_TRANSFER_DMA_MAP;
+			urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 			urb->urb.transfer_buffer = addr;
 			urb->urb.transfer_dma = dma;
 			urb->urb.transfer_buffer_length = max_packet_size;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index d82e378..bcc50ed 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1161,7 +1161,7 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
 	stride = runtime->frame_bits >> 3;
 
 	for (i = 0; i < urb->number_of_packets; i++) {
-		cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+		cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset + subs->pkt_offset_adj;
 		if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
 			snd_printdd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
 			// continue;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index b9ca776..f581c3e 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -837,6 +837,7 @@ static void set_format_emu_quirk(struct snd_usb_substream *subs,
 		break;
 	}
 	snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
+	subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
 }
 
 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index ad181d5..cfc4d4e 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -94,6 +94,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
 	subs->dev = as->chip->dev;
 	subs->txfr_quirk = as->chip->txfr_quirk;
 	subs->speed = snd_usb_get_speed(subs->dev);
+	subs->pkt_offset_adj = 0;
 
 	snd_usb_set_pcm_ops(as->pcm, stream);
 
@@ -396,6 +397,14 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
 	if (!csep && altsd->bNumEndpoints >= 2)
 		csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);
 
+	/*
+	 * If we can't locate the USB_DT_CS_ENDPOINT descriptor in the extra
+	 * bytes after the first endpoint, go search the entire interface.
+	 * Some devices have it directly *before* the standard endpoint.
+	 */
+	if (!csep)
+		csep = snd_usb_find_desc(alts->extra, alts->extralen, NULL, USB_DT_CS_ENDPOINT);
+
 	if (!csep || csep->bLength < 7 ||
 	    csep->bDescriptorSubtype != UAC_EP_GENERAL) {
 		snd_printk(KERN_WARNING "%d:%u:%d : no or invalid"
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index 1e7a47a..bf618e1 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -69,7 +69,6 @@ static void init_pipe_urbs(struct usb_stream_kernel *sk, unsigned use_packsize,
 	     ++u, transfer += transfer_length) {
 		struct urb *urb = urbs[u];
 		struct usb_iso_packet_descriptor *desc;
-		urb->transfer_flags = URB_ISO_ASAP;
 		urb->transfer_buffer = transfer;
 		urb->dev = dev;
 		urb->pipe = pipe;
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 520ef96..b376532 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -503,7 +503,6 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
 			if (0 == i)
 				atomic_set(&subs->state, state_STARTING3);
 			urb->dev = usX2Y->dev;
-			urb->transfer_flags = URB_ISO_ASAP;
 			for (pack = 0; pack < nr_of_packs(); pack++) {
 				urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack;
 				urb->iso_frame_desc[pack].length = subs->maxpacksize;
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index cc56007..f2a1acd 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -443,7 +443,6 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
 					if (0 == u)
 						atomic_set(&subs->state, state_STARTING3);
 					urb->dev = usX2Y->dev;
-					urb->transfer_flags = URB_ISO_ASAP;
 					for (pack = 0; pack < nr_of_packs(); pack++) {
 						urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs());
 						urb->iso_frame_desc[pack].length = subs->maxpacksize;
