path: root/3.17.3/1002_linux-3.17.3.patch

diff --git a/Makefile b/Makefile
index 390afde..57a45b1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 17
-SUBLEVEL = 2
+SUBLEVEL = 3
 EXTRAVERSION =
 NAME = Shuffling Zombie Juror
 
diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
index 4f31b2e..398064c 100644
--- a/arch/arc/boot/dts/nsimosci.dts
+++ b/arch/arc/boot/dts/nsimosci.dts
@@ -20,7 +20,7 @@
 		/* this is for console on PGU */
 		/* bootargs = "console=tty0 consoleblank=0"; */
 		/* this is for console on serial */
-		bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=ttyS0,115200n8 consoleblank=0 debug";
+		bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug";
 	};
 
 	aliases {
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 372466b..a9cbabe 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -191,14 +191,6 @@
 #define PAGES_TO_KB(n_pages)	((n_pages) << (PAGE_SHIFT - 10))
 #define PAGES_TO_MB(n_pages)	(PAGES_TO_KB(n_pages) >> 10)
 
-#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
-/* These DPFP regs need to be saved/restored across ctx-sw */
-struct arc_fpu {
-	struct {
-		unsigned int l, h;
-	} aux_dpfp[2];
-};
-#endif
 
 /*
  ***************************************************************
diff --git a/arch/arc/include/asm/kgdb.h b/arch/arc/include/asm/kgdb.h
index b65fca7..fea9316 100644
--- a/arch/arc/include/asm/kgdb.h
+++ b/arch/arc/include/asm/kgdb.h
@@ -19,7 +19,7 @@
  * register API yet */
 #undef DBG_MAX_REG_NUM
 
-#define GDB_MAX_REGS		39
+#define GDB_MAX_REGS		87
 
 #define BREAK_INSTR_SIZE	2
 #define CACHE_FLUSH_IS_SAFE	1
@@ -33,23 +33,27 @@ static inline void arch_kgdb_breakpoint(void)
 
 extern void kgdb_trap(struct pt_regs *regs);
 
-enum arc700_linux_regnums {
+/* This is the numbering of registers according to the GDB. See GDB's
+ * arc-tdep.h for details.
+ *
+ * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */
+enum arc_linux_regnums {
 	_R0		= 0,
 	_R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,
 	_R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,
 	_R25, _R26,
-	_BTA		= 27,
-	_LP_START	= 28,
-	_LP_END		= 29,
-	_LP_COUNT	= 30,
-	_STATUS32	= 31,
-	_BLINK		= 32,
-	_FP		= 33,
-	__SP		= 34,
-	_EFA		= 35,
-	_RET		= 36,
-	_ORIG_R8	= 37,
-	_STOP_PC	= 38
+	_FP		= 27,
+	__SP		= 28,
+	_R30		= 30,
+	_BLINK		= 31,
+	_LP_COUNT	= 60,
+	_STOP_PC	= 64,
+	_RET		= 64,
+	_LP_START	= 65,
+	_LP_END		= 66,
+	_STATUS32	= 67,
+	_ECR		= 76,
+	_BTA		= 82,
 };
 
 #else
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
index 82588f3..38175c0 100644
--- a/arch/arc/include/asm/processor.h
+++ b/arch/arc/include/asm/processor.h
@@ -20,6 +20,15 @@
 
 #include <asm/ptrace.h>
 
+#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
+/* These DPFP regs need to be saved/restored across ctx-sw */
+struct arc_fpu {
+	struct {
+		unsigned int l, h;
+	} aux_dpfp[2];
+};
+#endif
+
 /* Arch specific stuff which needs to be saved per task.
  * However these items are not so important so as to earn a place in
  * struct thread_info
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54..2f78e54 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1142,7 +1142,7 @@ config DEBUG_UART_VIRT
 	default 0xf1c28000 if DEBUG_SUNXI_UART0
 	default 0xf1c28400 if DEBUG_SUNXI_UART1
 	default 0xf1f02800 if DEBUG_SUNXI_R_UART
-	default 0xf2100000 if DEBUG_PXA_UART1
+	default 0xf6200000 if DEBUG_PXA_UART1
 	default 0xf4090000 if ARCH_LPC32XX
 	default 0xf4200000 if ARCH_GEMINI
 	default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
diff --git a/arch/arm/boot/dts/zynq-parallella.dts b/arch/arm/boot/dts/zynq-parallella.dts
index 41afd9d..229140b 100644
--- a/arch/arm/boot/dts/zynq-parallella.dts
+++ b/arch/arm/boot/dts/zynq-parallella.dts
@@ -34,6 +34,10 @@
 	};
 };
 
+&clkc {
+	fclk-enable = <0xf>;
+};
+
 &gem0 {
 	status = "okay";
 	phy-mode = "rgmii-id";
diff --git a/arch/arm/mach-pxa/include/mach/addr-map.h b/arch/arm/mach-pxa/include/mach/addr-map.h
index bbf9df3..d28fe29 100644
--- a/arch/arm/mach-pxa/include/mach/addr-map.h
+++ b/arch/arm/mach-pxa/include/mach/addr-map.h
@@ -39,6 +39,11 @@
 #define DMEMC_SIZE		0x00100000
 
 /*
+ * Reserved space for low level debug virtual addresses within
+ * 0xf6200000..0xf6201000
+ */
+
+/*
  * Internal Memory Controller (PXA27x and later)
  */
 #define IMEMC_PHYS		0x58000000
diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h
index 992aaba..b463f2a 100644
--- a/arch/mips/include/asm/ftrace.h
+++ b/arch/mips/include/asm/ftrace.h
@@ -24,7 +24,7 @@ do {							\
 	asm volatile (					\
 		"1: " load " %[tmp_dst], 0(%[tmp_src])\n"	\
 		"   li %[tmp_err], 0\n"			\
-		"2:\n"					\
+		"2: .insn\n"				\
 							\
 		".section .fixup, \"ax\"\n"		\
 		"3: li %[tmp_err], 1\n"			\
@@ -46,7 +46,7 @@ do {						\
 	asm volatile (				\
 		"1: " store " %[tmp_src], 0(%[tmp_dst])\n"\
 		"   li %[tmp_err], 0\n"		\
-		"2:\n"				\
+		"2: .insn\n"			\
 						\
 		".section .fixup, \"ax\"\n"	\
 		"3: li %[tmp_err], 1\n"		\
diff --git a/arch/mips/include/uapi/asm/ptrace.h b/arch/mips/include/uapi/asm/ptrace.h
index bbcfb8b..91a3d19 100644
--- a/arch/mips/include/uapi/asm/ptrace.h
+++ b/arch/mips/include/uapi/asm/ptrace.h
@@ -9,6 +9,8 @@
 #ifndef _UAPI_ASM_PTRACE_H
 #define _UAPI_ASM_PTRACE_H
 
+#include <linux/types.h>
+
 /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
 #define FPR_BASE	32
 #define PC		64
diff --git a/arch/mips/loongson/lemote-2f/clock.c b/arch/mips/loongson/lemote-2f/clock.c
index a217061..462e34d 100644
--- a/arch/mips/loongson/lemote-2f/clock.c
+++ b/arch/mips/loongson/lemote-2f/clock.c
@@ -91,6 +91,7 @@ EXPORT_SYMBOL(clk_put);
 
 int clk_set_rate(struct clk *clk, unsigned long rate)
 {
+	unsigned int rate_khz = rate / 1000;
 	struct cpufreq_frequency_table *pos;
 	int ret = 0;
 	int regval;
@@ -107,9 +108,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 		propagate_rate(clk);
 
 	cpufreq_for_each_valid_entry(pos, loongson2_clockmod_table)
-		if (rate == pos->frequency)
+		if (rate_khz == pos->frequency)
 			break;
-	if (rate != pos->frequency)
+	if (rate_khz != pos->frequency)
 		return -ENOTSUPP;
 
 	clk->rate = rate;
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 7a47277..51a0fde 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1023,7 +1023,7 @@ emul:
 					goto emul;
 
 				case cop1x_op:
-					if (cpu_has_mips_4_5 || cpu_has_mips64)
+					if (cpu_has_mips_4_5 || cpu_has_mips64 || cpu_has_mips32r2)
 						/* its one of ours */
 						goto emul;
 
@@ -1068,7 +1068,7 @@ emul:
 		break;
 
 	case cop1x_op:
-		if (!cpu_has_mips_4_5 && !cpu_has_mips64)
+		if (!cpu_has_mips_4_5 && !cpu_has_mips64 && !cpu_has_mips32r2)
 			return SIGILL;
 
 		sig = fpux_emu(xcp, ctx, ir, fault_addr);
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index a08dd53..b5f228e 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1062,6 +1062,7 @@ static void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep)
 struct mips_huge_tlb_info {
 	int huge_pte;
 	int restore_scratch;
+	bool need_reload_pte;
 };
 
 static struct mips_huge_tlb_info
@@ -1076,6 +1077,7 @@ build_fast_tlb_refill_handler (u32 **p, struct uasm_label **l,
 
 	rv.huge_pte = scratch;
 	rv.restore_scratch = 0;
+	rv.need_reload_pte = false;
 
 	if (check_for_high_segbits) {
 		UASM_i_MFC0(p, tmp, C0_BADVADDR);
@@ -1264,6 +1266,7 @@ static void build_r4000_tlb_refill_handler(void)
 	} else {
 		htlb_info.huge_pte = K0;
 		htlb_info.restore_scratch = 0;
+		htlb_info.need_reload_pte = true;
 		vmalloc_mode = refill_noscratch;
 		/*
 		 * create the plain linear handler
@@ -1300,7 +1303,8 @@ static void build_r4000_tlb_refill_handler(void)
 	}
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
 	uasm_l_tlb_huge_update(&l, p);
-	UASM_i_LW(&p, K0, 0, K1);
+	if (htlb_info.need_reload_pte)
+		UASM_i_LW(&p, htlb_info.huge_pte, 0, K1);
 	build_huge_update_entries(&p, htlb_info.huge_pte, K1);
 	build_huge_tlb_write_entry(&p, &l, &r, K0, tlb_random,
 				   htlb_info.restore_scratch);
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 5bbd1bc..0905c8d 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -659,7 +659,13 @@ _GLOBAL(ret_from_except_lite)
 3:
 #endif
 	bl	save_nvgprs
+	/*
+	 * Use a non volatile GPR to save and restore our thread_info flags
+	 * across the call to restore_interrupts.
+	 */
+	mr	r30,r4
 	bl	restore_interrupts
+	mr	r4,r30
 	addi	r3,r1,STACK_FRAME_OVERHEAD
 	bl	do_notify_resume
 	b	ret_from_except
diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c
index ad4b31d..e4169d6 100644
--- a/arch/powerpc/platforms/powernv/opal-lpc.c
+++ b/arch/powerpc/platforms/powernv/opal-lpc.c
@@ -216,14 +216,54 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf,
 				   &data, len);
 		if (rc)
 			return -ENXIO;
+
+		/*
+		 * Now there is some trickery with the data returned by OPAL
+		 * as it's the desired data right justified in a 32-bit BE
+		 * word.
+		 *
+		 * This is a very bad interface and I'm to blame for it :-(
+		 *
+		 * So we can't just apply a 32-bit swap to what comes from OPAL,
+		 * because user space expects the *bytes* to be in their proper
+		 * respective positions (ie, LPC position).
+		 *
+		 * So what we really want to do here is to shift data right
+		 * appropriately on a LE kernel.
+		 *
+		 * IE. If the LPC transaction has bytes B0, B1, B2 and B3 in that
+		 * order, we have in memory written to by OPAL at the "data"
+		 * pointer:
+		 *
+		 *               Bytes:      OPAL "data"   LE "data"
+		 *   32-bit:   B0 B1 B2 B3   B0B1B2B3      B3B2B1B0
+		 *   16-bit:   B0 B1         0000B0B1      B1B00000
+		 *    8-bit:   B0            000000B0      B0000000
+		 *
+		 * So a BE kernel will have the leftmost of the above in the MSB
+		 * and rightmost in the LSB and can just then "cast" the u32 "data"
+		 * down to the appropriate quantity and write it.
+		 *
+		 * However, an LE kernel can't. It doesn't need to swap because a
+		 * load from data followed by a store to user are going to preserve
+		 * the byte ordering which is the wire byte order which is what the
+		 * user wants, but in order to "crop" to the right size, we need to
+		 * shift right first.
+		 */
 		switch(len) {
 		case 4:
 			rc = __put_user((u32)data, (u32 __user *)ubuf);
 			break;
 		case 2:
+#ifdef __LITTLE_ENDIAN__
+			data >>= 16;
+#endif
 			rc = __put_user((u16)data, (u16 __user *)ubuf);
 			break;
 		default:
+#ifdef __LITTLE_ENDIAN__
+			data >>= 24;
+#endif
 			rc = __put_user((u8)data, (u8 __user *)ubuf);
 			break;
 		}
@@ -263,12 +303,31 @@ static ssize_t lpc_debug_write(struct file *filp, const char __user *ubuf,
 			else if (todo > 1 && (pos & 1) == 0)
 				len = 2;
 		}
+
+		/*
+		 * Similarly to the read case, we have some trickery here but
+		 * it's different to handle. We need to pass the value to OPAL in
+		 * a register whose layout depends on the access size. We want
+		 * to reproduce the memory layout of the user, however we aren't
+		 * doing a load from user and a store to another memory location
+		 * which would achieve that. Here we pass the value to OPAL via
+		 * a register which is expected to contain the "BE" interpretation
+		 * of the byte sequence. IE: for a 32-bit access, byte 0 should be
+		 * in the MSB. So here we *do* need to byteswap on LE.
+		 *
+		 *           User bytes:    LE "data"  OPAL "data"
+		 *  32-bit:  B0 B1 B2 B3    B3B2B1B0   B0B1B2B3
+		 *  16-bit:  B0 B1          0000B1B0   0000B0B1
+		 *   8-bit:  B0             000000B0   000000B0
+		 */
 		switch(len) {
 		case 4:
 			rc = __get_user(data, (u32 __user *)ubuf);
+			data = cpu_to_be32(data);
 			break;
 		case 2:
 			rc = __get_user(data, (u16 __user *)ubuf);
+			data = cpu_to_be16(data);
 			break;
 		default:
 			rc = __get_user(data, (u8 __user *)ubuf);
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index a2450b8..92eb35e 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -379,7 +379,7 @@ static int dlpar_online_cpu(struct device_node *dn)
 			BUG_ON(get_cpu_current_state(cpu)
 					!= CPU_STATE_OFFLINE);
 			cpu_maps_update_done();
-			rc = cpu_up(cpu);
+			rc = device_online(get_cpu_device(cpu));
 			if (rc)
 				goto out;
 			cpu_maps_update_begin();
@@ -462,7 +462,7 @@ static int dlpar_offline_cpu(struct device_node *dn)
 			if (get_cpu_current_state(cpu) == CPU_STATE_ONLINE) {
 				set_preferred_offline_state(cpu, CPU_STATE_OFFLINE);
 				cpu_maps_update_done();
-				rc = cpu_down(cpu);
+				rc = device_offline(get_cpu_device(cpu));
 				if (rc)
 					goto out;
 				cpu_maps_update_begin();
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 355a16c..b93bed7 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -464,15 +464,17 @@ static struct sched_domain_topology_level s390_topology[] = {
 
 static int __init topology_init(void)
 {
-	if (!MACHINE_HAS_TOPOLOGY) {
+	if (MACHINE_HAS_TOPOLOGY)
+		set_topology_timer();
+	else
 		topology_update_polarization_simple();
-		goto out;
-	}
-	set_topology_timer();
-out:
-
-	set_sched_topology(s390_topology);
-
 	return device_create_file(cpu_subsys.dev_root, &dev_attr_dispatching);
 }
 device_initcall(topology_init);
+
+static int __init early_topology_init(void)
+{
+	set_sched_topology(s390_topology);
+	return 0;
+}
+early_initcall(early_topology_init);
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index 9139d14..538c10d 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -118,7 +118,7 @@ static struct plat_sci_port scif0_platform_data = {
 };
 
 static struct resource scif0_resources[] = {
-	DEFINE_RES_MEM(0xfffffe80, 0x100),
+	DEFINE_RES_MEM(0xfffffe80, 0x10),
 	DEFINE_RES_IRQ(evt2irq(0x4e0)),
 };
 
@@ -143,7 +143,7 @@ static struct plat_sci_port scif1_platform_data = {
 };
 
 static struct resource scif1_resources[] = {
-	DEFINE_RES_MEM(0xa4000150, 0x100),
+	DEFINE_RES_MEM(0xa4000150, 0x10),
 	DEFINE_RES_IRQ(evt2irq(0x900)),
 };
 
@@ -169,7 +169,7 @@ static struct plat_sci_port scif2_platform_data = {
 };
 
 static struct resource scif2_resources[] = {
-	DEFINE_RES_MEM(0xa4000140, 0x100),
+	DEFINE_RES_MEM(0xa4000140, 0x10),
 	DEFINE_RES_IRQ(evt2irq(0x880)),
 };
 
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 3716e69..e8ab93c 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1277,7 +1277,7 @@ static void do_ubd_request(struct request_queue *q)
 
 	while(1){
 		struct ubd *dev = q->queuedata;
-		if(dev->end_sg == 0){
+		if(dev->request == NULL){
 			struct request *req = blk_fetch_request(q);
 			if(req == NULL)
 				return;
@@ -1299,7 +1299,8 @@ static void do_ubd_request(struct request_queue *q)
 				return;
 			}
 			prepare_flush_request(req, io_req);
-			submit_request(io_req, dev);
+			if (submit_request(io_req, dev) == false)
+				return;
 		}
 
 		while(dev->start_sg < dev->end_sg){
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 4299eb0..92a2e93 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -151,6 +151,16 @@ ENTRY(ia32_sysenter_target)
 1:	movl	(%rbp),%ebp
 	_ASM_EXTABLE(1b,ia32_badarg)
 	ASM_CLAC
+
+	/*
+	 * Sysenter doesn't filter flags, so we need to clear NT
+	 * ourselves.  To save a few cycles, we can check whether
+	 * NT was set instead of doing an unconditional popfq.
+	 */
+	testl $X86_EFLAGS_NT,EFLAGS-ARGOFFSET(%rsp)
+	jnz sysenter_fix_flags
+sysenter_flags_fixed:
+
 	orl     $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	testl   $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	CFI_REMEMBER_STATE
@@ -184,6 +194,8 @@ sysexit_from_sys_call:
 	TRACE_IRQS_ON
 	ENABLE_INTERRUPTS_SYSEXIT32
 
+	CFI_RESTORE_STATE
+
 #ifdef CONFIG_AUDITSYSCALL
 	.macro auditsys_entry_common
 	movl %esi,%r9d			/* 6th arg: 4th syscall arg */
@@ -226,7 +238,6 @@ sysexit_from_sys_call:
 	.endm
 
 sysenter_auditsys:
-	CFI_RESTORE_STATE
 	auditsys_entry_common
 	movl %ebp,%r9d			/* reload 6th syscall arg */
 	jmp sysenter_dispatch
@@ -235,6 +246,11 @@ sysexit_audit:
 	auditsys_exit sysexit_from_sys_call
 #endif
 
+sysenter_fix_flags:
+	pushq_cfi $(X86_EFLAGS_IF|X86_EFLAGS_FIXED)
+	popfq_cfi
+	jmp sysenter_flags_fixed
+
 sysenter_tracesys:
 #ifdef CONFIG_AUDITSYSCALL
 	testl	$(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 1a055c8..ca3347a 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -160,8 +160,9 @@ do {						\
 #define elf_check_arch(x)			\
 	((x)->e_machine == EM_X86_64)
 
-#define compat_elf_check_arch(x)		\
-	(elf_check_arch_ia32(x) || (x)->e_machine == EM_X86_64)
+#define compat_elf_check_arch(x)					\
+	(elf_check_arch_ia32(x) ||					\
+	 (IS_ENABLED(CONFIG_X86_X32_ABI) && (x)->e_machine == EM_X86_64))
 
 #if __USER32_DS != __USER_DS
 # error "The following code assumes __USER32_DS == __USER_DS"
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 92d3486..0d47ae1 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -991,6 +991,20 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
 	kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
 }
 
+static inline u64 get_canonical(u64 la)
+{
+	return ((int64_t)la << 16) >> 16;
+}
+
+static inline bool is_noncanonical_address(u64 la)
+{
+#ifdef CONFIG_X86_64
+	return get_canonical(la) != la;
+#else
+	return false;
+#endif
+}
+
 #define TSS_IOPB_BASE_OFFSET 0x66
 #define TSS_BASE_SIZE 0x68
 #define TSS_IOPB_SIZE (65536 / 8)
@@ -1049,7 +1063,7 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
 void kvm_vcpu_reset(struct kvm_vcpu *vcpu);
 
 void kvm_define_shared_msr(unsigned index, u32 msr);
-void kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
+int kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
 
 bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
 
diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h
index 0e79420..990a2fe 100644
--- a/arch/x86/include/uapi/asm/vmx.h
+++ b/arch/x86/include/uapi/asm/vmx.h
@@ -67,6 +67,7 @@
 #define EXIT_REASON_EPT_MISCONFIG       49
 #define EXIT_REASON_INVEPT              50
 #define EXIT_REASON_PREEMPTION_TIMER    52
+#define EXIT_REASON_INVVPID             53
 #define EXIT_REASON_WBINVD              54
 #define EXIT_REASON_XSETBV              55
 #define EXIT_REASON_APIC_WRITE          56
@@ -114,6 +115,7 @@
 	{ EXIT_REASON_EOI_INDUCED,           "EOI_INDUCED" }, \
 	{ EXIT_REASON_INVALID_STATE,         "INVALID_STATE" }, \
 	{ EXIT_REASON_INVD,                  "INVD" }, \
+	{ EXIT_REASON_INVVPID,               "INVVPID" }, \
 	{ EXIT_REASON_INVPCID,               "INVPCID" }
 
 #endif /* _UAPIVMX_H */
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b436fc7..a142e77 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -397,7 +397,7 @@ static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
 
 	/* Don't set up the ACPI SCI because it's already set up */
 	if (acpi_gbl_FADT.sci_interrupt == gsi)
-		return gsi;
+		return mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC);
 
 	trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1;
 	polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1;
@@ -604,14 +604,18 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
 
 int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp)
 {
-	int irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK);
+	int irq;
 
-	if (irq >= 0) {
+	if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
+		*irqp = gsi;
+	} else {
+		irq = mp_map_gsi_to_irq(gsi,
+					IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK);
+		if (irq < 0)
+			return -1;
 		*irqp = irq;
-		return 0;
 	}
-
-	return -1;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(acpi_gsi_to_irq);
 
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index af5b08a..7c38324 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -185,8 +185,6 @@ static void apbt_setup_irq(struct apbt_dev *adev)
 
 	irq_modify_status(adev->irq, 0, IRQ_MOVE_PCNTXT);
 	irq_set_affinity(adev->irq, cpumask_of(adev->cpu));
-	/* APB timer irqs are set up as mp_irqs, timer is edge type */
-	__irq_set_handler(adev->irq, handle_edge_irq, 0, "edge");
 }
 
 /* Should be called with per cpu */
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 6776027..24b5894 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1297,7 +1297,7 @@ void setup_local_APIC(void)
 	unsigned int value, queued;
 	int i, j, acked = 0;
 	unsigned long long tsc = 0, ntsc;
-	long long max_loops = cpu_khz;
+	long long max_loops = cpu_khz ? cpu_khz : 1000000;
 
 	if (cpu_has_tsc)
 		rdtscll(tsc);
@@ -1383,7 +1383,7 @@ void setup_local_APIC(void)
 			break;
 		}
 		if (queued) {
-			if (cpu_has_tsc) {
+			if (cpu_has_tsc && cpu_khz) {
 				rdtscll(ntsc);
 				max_loops = (cpu_khz << 10) - (ntsc - tsc);
 			} else
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index e4ab2b4..3126558 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1184,7 +1184,7 @@ void syscall_init(void)
 	/* Flags to clear on syscall */
 	wrmsrl(MSR_SYSCALL_MASK,
 	       X86_EFLAGS_TF|X86_EFLAGS_DF|X86_EFLAGS_IF|
-	       X86_EFLAGS_IOPL|X86_EFLAGS_AC);
+	       X86_EFLAGS_IOPL|X86_EFLAGS_AC|X86_EFLAGS_NT);
 }
 
 /*
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 50ce751..1ef4562 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -397,6 +397,13 @@ static void init_intel(struct cpuinfo_x86 *c)
 	}
 
 	l2 = init_intel_cacheinfo(c);
+
+	/* Detect legacy cache sizes if init_intel_cacheinfo did not */
+	if (l2 == 0) {
+		cpu_detect_cache_sizes(c);
+		l2 = c->x86_cache_size;
+	}
+
 	if (c->cpuid_level > 9) {
 		unsigned eax = cpuid_eax(10);
 		/* Check for version and the number of counters */
@@ -500,6 +507,13 @@ static unsigned int intel_size_cache(struct cpuinfo_x86 *c, unsigned int size)
 	 */
 	if ((c->x86 == 6) && (c->x86_model == 11) && (size == 0))
 		size = 256;
+
+	/*
+	 * Intel Quark SoC X1000 contains a 4-way set associative
+	 * 16K cache with a 16 byte cache line and 256 lines per tag
+	 */
+	if ((c->x86 == 5) && (c->x86_model == 9))
+		size = 16;
 	return size;
 }
 #endif
@@ -701,7 +715,8 @@ static const struct cpu_dev intel_cpu_dev = {
 			  [3] = "OverDrive PODP5V83",
 			  [4] = "Pentium MMX",
 			  [7] = "Mobile Pentium 75 - 200",
-			  [8] = "Mobile Pentium MMX"
+			  [8] = "Mobile Pentium MMX",
+			  [9] = "Quark SoC X1000",
 		  }
 		},
 		{ .family = 6, .model_names =
diff --git a/arch/x86/kernel/iosf_mbi.c b/arch/x86/kernel/iosf_mbi.c
index 9030e83..c957e11 100644
--- a/arch/x86/kernel/iosf_mbi.c
+++ b/arch/x86/kernel/iosf_mbi.c
@@ -26,6 +26,7 @@
 #include <asm/iosf_mbi.h>
 
 #define PCI_DEVICE_ID_BAYTRAIL		0x0F00
+#define PCI_DEVICE_ID_BRASWELL		0x2280
 #define PCI_DEVICE_ID_QUARK_X1000	0x0958
 
 static DEFINE_SPINLOCK(iosf_mbi_lock);
@@ -204,6 +205,7 @@ static int iosf_mbi_probe(struct pci_dev *pdev,
 
 static const struct pci_device_id iosf_mbi_pci_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_BAYTRAIL) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_BRASWELL) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_QUARK_X1000) },
 	{ 0, },
 };
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 2851d63..ed37a76 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -675,6 +675,11 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 		 * handler too.
 		 */
 		regs->flags &= ~(X86_EFLAGS_DF|X86_EFLAGS_RF|X86_EFLAGS_TF);
+		/*
+		 * Ensure the signal handler starts with the new fpu state.
+		 */
+		if (used_math())
+			drop_init_fpu(current);
 	}
 	signal_setup_done(failed, ksig, test_thread_flag(TIF_SINGLESTEP));
 }
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index b6025f9..b7e50bb 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -1166,14 +1166,17 @@ void __init tsc_init(void)
 
 	x86_init.timers.tsc_pre_init();
 
-	if (!cpu_has_tsc)
+	if (!cpu_has_tsc) {
+		setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
 		return;
+	}
 
 	tsc_khz = x86_platform.calibrate_tsc();
 	cpu_khz = tsc_khz;
 
 	if (!tsc_khz) {
 		mark_tsc_unstable("could not calculate TSC khz");
+		setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
 		return;
 	}
 
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 940b142..4c540c4 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -271,8 +271,6 @@ int save_xstate_sig(void __user *buf, void __user *buf_fx, int size)
 	if (use_fxsr() && save_xstate_epilog(buf_fx, ia32_fxstate))
 		return -1;
 
-	drop_init_fpu(tsk);	/* trigger finit */
-
 	return 0;
 }
 
@@ -402,8 +400,11 @@ int __restore_xstate_sig(void __user *buf, void __user *buf_fx, int size)
 			set_used_math();
 		}
 
-		if (use_eager_fpu())
+		if (use_eager_fpu()) {
+			preempt_disable();
 			math_state_restore();
+			preempt_enable();
+		}
 
 		return err;
 	} else {
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 03954f7..77c77fe 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -504,11 +504,6 @@ static void rsp_increment(struct x86_emulate_ctxt *ctxt, int inc)
 	masked_increment(reg_rmw(ctxt, VCPU_REGS_RSP), stack_mask(ctxt), inc);
 }
 
-static inline void jmp_rel(struct x86_emulate_ctxt *ctxt, int rel)
-{
-	register_address_increment(ctxt, &ctxt->_eip, rel);
-}
-
 static u32 desc_limit_scaled(struct desc_struct *desc)
 {
 	u32 limit = get_desc_limit(desc);
@@ -568,6 +563,40 @@ static int emulate_nm(struct x86_emulate_ctxt *ctxt)
 	return emulate_exception(ctxt, NM_VECTOR, 0, false);
 }
 
+static inline int assign_eip_far(struct x86_emulate_ctxt *ctxt, ulong dst,
+			       int cs_l)
+{
+	switch (ctxt->op_bytes) {
+	case 2:
+		ctxt->_eip = (u16)dst;
+		break;
+	case 4:
+		ctxt->_eip = (u32)dst;
+		break;
+#ifdef CONFIG_X86_64
+	case 8:
+		if ((cs_l && is_noncanonical_address(dst)) ||
+		    (!cs_l && (dst >> 32) != 0))
+			return emulate_gp(ctxt, 0);
+		ctxt->_eip = dst;
+		break;
+#endif
+	default:
+		WARN(1, "unsupported eip assignment size\n");
+	}
+	return X86EMUL_CONTINUE;
+}
+
+static inline int assign_eip_near(struct x86_emulate_ctxt *ctxt, ulong dst)
+{
+	return assign_eip_far(ctxt, dst, ctxt->mode == X86EMUL_MODE_PROT64);
+}
+
+static inline int jmp_rel(struct x86_emulate_ctxt *ctxt, int rel)
+{
+	return assign_eip_near(ctxt, ctxt->_eip + rel);
+}
+
 static u16 get_segment_selector(struct x86_emulate_ctxt *ctxt, unsigned seg)
 {
 	u16 selector;
@@ -613,7 +642,8 @@ static bool insn_aligned(struct x86_emulate_ctxt *ctxt, unsigned size)
 
 static int __linearize(struct x86_emulate_ctxt *ctxt,
 		     struct segmented_address addr,
-		     unsigned size, bool write, bool fetch,
+		     unsigned *max_size, unsigned size,
+		     bool write, bool fetch,
 		     ulong *linear)
 {
 	struct desc_struct desc;
@@ -624,10 +654,15 @@ static int __linearize(struct x86_emulate_ctxt *ctxt,
 	unsigned cpl;
 
 	la = seg_base(ctxt, addr.seg) + addr.ea;
+	*max_size = 0;
 	switch (ctxt->mode) {
 	case X86EMUL_MODE_PROT64:
 		if (((signed long)la << 16) >> 16 != la)
 			return emulate_gp(ctxt, 0);
+
+		*max_size = min_t(u64, ~0u, (1ull << 48) - la);
+		if (size > *max_size)
+			goto bad;
 		break;
 	default:
 		usable = ctxt->ops->get_segment(ctxt, &sel, &desc, NULL,
@@ -645,20 +680,25 @@ static int __linearize(struct x86_emulate_ctxt *ctxt,
 		if ((ctxt->mode == X86EMUL_MODE_REAL) && !fetch &&
 		    (ctxt->d & NoBigReal)) {
 			/* la is between zero and 0xffff */
-			if (la > 0xffff || (u32)(la + size - 1) > 0xffff)
+			if (la > 0xffff)
 				goto bad;
+			*max_size = 0x10000 - la;
 		} else if ((desc.type & 8) || !(desc.type & 4)) {
 			/* expand-up segment */
-			if (addr.ea > lim || (u32)(addr.ea + size - 1) > lim)
+			if (addr.ea > lim)
 				goto bad;
+			*max_size = min_t(u64, ~0u, (u64)lim + 1 - addr.ea);
 		} else {
 			/* expand-down segment */
-			if (addr.ea <= lim || (u32)(addr.ea + size - 1) <= lim)
+			if (addr.ea <= lim)
 				goto bad;
 			lim = desc.d ? 0xffffffff : 0xffff;
-			if (addr.ea > lim || (u32)(addr.ea + size - 1) > lim)
+			if (addr.ea > lim)
 				goto bad;
+			*max_size = min_t(u64, ~0u, (u64)lim + 1 - addr.ea);
 		}
+		if (size > *max_size)
+			goto bad;
 		cpl = ctxt->ops->cpl(ctxt);
 		if (!(desc.type & 8)) {
 			/* data segment */
@@ -693,7 +733,8 @@ static int linearize(struct x86_emulate_ctxt *ctxt,
 		     unsigned size, bool write,
 		     ulong *linear)
 {
-	return __linearize(ctxt, addr, size, write, false, linear);
+	unsigned max_size;
+	return __linearize(ctxt, addr, &max_size, size, write, false, linear);
 }
 
 
@@ -718,17 +759,27 @@ static int segmented_read_std(struct x86_emulate_ctxt *ctxt,
 static int __do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, int op_size)
 {
 	int rc;
-	unsigned size;
+	unsigned size, max_size;
 	unsigned long linear;
 	int cur_size = ctxt->fetch.end - ctxt->fetch.data;
 	struct segmented_address addr = { .seg = VCPU_SREG_CS,
 					   .ea = ctxt->eip + cur_size };
 
-	size = 15UL ^ cur_size;
-	rc = __linearize(ctxt, addr, size, false, true, &linear);
+	/*
+	 * We do not know exactly how many bytes will be needed, and
+	 * __linearize is expensive, so fetch as much as possible.  We
+	 * just have to avoid going beyond the 15 byte limit, the end
+	 * of the segment, or the end of the page.
+	 *
+	 * __linearize is called with size 0 so that it does not do any
+	 * boundary check itself.  Instead, we use max_size to check
+	 * against op_size.
+	 */
+	rc = __linearize(ctxt, addr, &max_size, 0, false, true, &linear);
 	if (unlikely(rc != X86EMUL_CONTINUE))
 		return rc;
 
+	size = min_t(unsigned, 15UL ^ cur_size, max_size);
 	size = min_t(unsigned, size, PAGE_SIZE - offset_in_page(linear));
 
 	/*
@@ -738,7 +789,8 @@ static int __do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, int op_size)
 	 * still, we must have hit the 15-byte boundary.
 	 */
 	if (unlikely(size < op_size))
-		return X86EMUL_UNHANDLEABLE;
+		return emulate_gp(ctxt, 0);
+
 	rc = ctxt->ops->fetch(ctxt, linear, ctxt->fetch.end,
 			      size, &ctxt->exception);
 	if (unlikely(rc != X86EMUL_CONTINUE))
@@ -750,8 +802,10 @@ static int __do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, int op_size)
 static __always_inline int do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt,
 					       unsigned size)
 {
-	if (unlikely(ctxt->fetch.end - ctxt->fetch.ptr < size))
-		return __do_insn_fetch_bytes(ctxt, size);
+	unsigned done_size = ctxt->fetch.end - ctxt->fetch.ptr;
+
+	if (unlikely(done_size < size))
+		return __do_insn_fetch_bytes(ctxt, size - done_size);
 	else
 		return X86EMUL_CONTINUE;
 }
@@ -1415,7 +1469,9 @@ static int write_segment_descriptor(struct x86_emulate_ctxt *ctxt,
 
 /* Does not support long mode */
 static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
-				     u16 selector, int seg, u8 cpl, bool in_task_switch)
+				     u16 selector, int seg, u8 cpl,
+				     bool in_task_switch,
+				     struct desc_struct *desc)
 {
 	struct desc_struct seg_desc, old_desc;
 	u8 dpl, rpl;
@@ -1547,6 +1603,8 @@ static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
 	}
 load:
 	ctxt->ops->set_segment(ctxt, selector, &seg_desc, base3, seg);
+	if (desc)
+		*desc = seg_desc;
 	return X86EMUL_CONTINUE;
 exception:
 	emulate_exception(ctxt, err_vec, err_code, true);
@@ -1557,7 +1615,7 @@ static int load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
 				   u16 selector, int seg)
 {
 	u8 cpl = ctxt->ops->cpl(ctxt);
-	return __load_segment_descriptor(ctxt, selector, seg, cpl, false);
+	return __load_segment_descriptor(ctxt, selector, seg, cpl, false, NULL);
 }
 
 static void write_register_operand(struct operand *op)
@@ -1951,17 +2009,31 @@ static int em_iret(struct x86_emulate_ctxt *ctxt)
 static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
 {
 	int rc;
-	unsigned short sel;
+	unsigned short sel, old_sel;
+	struct desc_struct old_desc, new_desc;
+	const struct x86_emulate_ops *ops = ctxt->ops;
+	u8 cpl = ctxt->ops->cpl(ctxt);
+
+	/* Assignment of RIP may only fail in 64-bit mode */
+	if (ctxt->mode == X86EMUL_MODE_PROT64)
+		ops->get_segment(ctxt, &old_sel, &old_desc, NULL,
+				 VCPU_SREG_CS);
 
 	memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2);
 
-	rc = load_segment_descriptor(ctxt, sel, VCPU_SREG_CS);
+	rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl, false,
+				       &new_desc);
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
 
-	ctxt->_eip = 0;
-	memcpy(&ctxt->_eip, ctxt->src.valptr, ctxt->op_bytes);
-	return X86EMUL_CONTINUE;
+	rc = assign_eip_far(ctxt, ctxt->src.val, new_desc.l);
+	if (rc != X86EMUL_CONTINUE) {
+		WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
+		/* assigning eip failed; restore the old cs */
+		ops->set_segment(ctxt, old_sel, &old_desc, 0, VCPU_SREG_CS);
+		return rc;
+	}
+	return rc;
 }
 
 static int em_grp45(struct x86_emulate_ctxt *ctxt)
@@ -1972,13 +2044,15 @@ static int em_grp45(struct x86_emulate_ctxt *ctxt)
 	case 2: /* call near abs */ {
 		long int old_eip;
 		old_eip = ctxt->_eip;
-		ctxt->_eip = ctxt->src.val;
+		rc = assign_eip_near(ctxt, ctxt->src.val);
+		if (rc != X86EMUL_CONTINUE)
+			break;
 		ctxt->src.val = old_eip;
 		rc = em_push(ctxt);
 		break;
 	}
 	case 4: /* jmp abs */
-		ctxt->_eip = ctxt->src.val;
+		rc = assign_eip_near(ctxt, ctxt->src.val);
 		break;
 	case 5: /* jmp far */
 		rc = em_jmp_far(ctxt);
@@ -2013,30 +2087,47 @@ static int em_cmpxchg8b(struct x86_emulate_ctxt *ctxt)
 
 static int em_ret(struct x86_emulate_ctxt *ctxt)
 {
-	ctxt->dst.type = OP_REG;
-	ctxt->dst.addr.reg = &ctxt->_eip;
-	ctxt->dst.bytes = ctxt->op_bytes;
-	return em_pop(ctxt);
+	int rc;
+	unsigned long eip;
+
+	rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
+	if (rc != X86EMUL_CONTINUE)
+		return rc;
+
+	return assign_eip_near(ctxt, eip);
 }
 
 static int em_ret_far(struct x86_emulate_ctxt *ctxt)
 {
 	int rc;
-	unsigned long cs;
+	unsigned long eip, cs;
+	u16 old_cs;
 	int cpl = ctxt->ops->cpl(ctxt);
+	struct desc_struct old_desc, new_desc;
+	const struct x86_emulate_ops *ops = ctxt->ops;
 
-	rc = emulate_pop(ctxt, &ctxt->_eip, ctxt->op_bytes);
+	if (ctxt->mode == X86EMUL_MODE_PROT64)
+		ops->get_segment(ctxt, &old_cs, &old_desc, NULL,
+				 VCPU_SREG_CS);
+
+	rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
-	if (ctxt->op_bytes == 4)
-		ctxt->_eip = (u32)ctxt->_eip;
 	rc = emulate_pop(ctxt, &cs, ctxt->op_bytes);
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
 	/* Outer-privilege level return is not implemented */
 	if (ctxt->mode >= X86EMUL_MODE_PROT16 && (cs & 3) > cpl)
 		return X86EMUL_UNHANDLEABLE;
-	rc = load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS);
+	rc = __load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS, 0, false,
+				       &new_desc);
+	if (rc != X86EMUL_CONTINUE)
+		return rc;
+	rc = assign_eip_far(ctxt, eip, new_desc.l);
+	if (rc != X86EMUL_CONTINUE) {
+		WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
+		ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS);
+	}
 	return rc;
 }
 
@@ -2297,7 +2388,7 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
 {
 	const struct x86_emulate_ops *ops = ctxt->ops;
 	struct desc_struct cs, ss;
-	u64 msr_data;
+	u64 msr_data, rcx, rdx;
 	int usermode;
 	u16 cs_sel = 0, ss_sel = 0;
 
@@ -2313,6 +2404,9 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
 	else
 		usermode = X86EMUL_MODE_PROT32;
 
+	rcx = reg_read(ctxt, VCPU_REGS_RCX);
+	rdx = reg_read(ctxt, VCPU_REGS_RDX);
+
 	cs.dpl = 3;
 	ss.dpl = 3;
 	ops->get_msr(ctxt, MSR_IA32_SYSENTER_CS, &msr_data);
@@ -2330,6 +2424,9 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
 		ss_sel = cs_sel + 8;
 		cs.d = 0;
 		cs.l = 1;
+		if (is_noncanonical_address(rcx) ||
+		    is_noncanonical_address(rdx))
+			return emulate_gp(ctxt, 0);
 		break;
 	}
 	cs_sel |= SELECTOR_RPL_MASK;
@@ -2338,8 +2435,8 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
 	ops->set_segment(ctxt, cs_sel, &cs, 0, VCPU_SREG_CS);
 	ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);
 
-	ctxt->_eip = reg_read(ctxt, VCPU_REGS_RDX);
-	*reg_write(ctxt, VCPU_REGS_RSP) = reg_read(ctxt, VCPU_REGS_RCX);
+	ctxt->_eip = rdx;
+	*reg_write(ctxt, VCPU_REGS_RSP) = rcx;
 
 	return X86EMUL_CONTINUE;
 }
@@ -2457,19 +2554,24 @@ static int load_state_from_tss16(struct x86_emulate_ctxt *ctxt,
 	 * Now load segment descriptors. If fault happens at this stage
 	 * it is handled in a context of new task
 	 */
-	ret = __load_segment_descriptor(ctxt, tss->ldt, VCPU_SREG_LDTR, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->ldt, VCPU_SREG_LDTR, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
 
@@ -2594,25 +2696,32 @@ static int load_state_from_tss32(struct x86_emulate_ctxt *ctxt,
 	 * Now load segment descriptors. If fault happenes at this stage
 	 * it is handled in a context of new task
 	 */
-	ret = __load_segment_descriptor(ctxt, tss->ldt_selector, VCPU_SREG_LDTR, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->ldt_selector, VCPU_SREG_LDTR,
+					cpl, true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->fs, VCPU_SREG_FS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->fs, VCPU_SREG_FS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
-	ret = __load_segment_descriptor(ctxt, tss->gs, VCPU_SREG_GS, cpl, true);
+	ret = __load_segment_descriptor(ctxt, tss->gs, VCPU_SREG_GS, cpl,
+					true, NULL);
 	if (ret != X86EMUL_CONTINUE)
 		return ret;
 
@@ -2880,10 +2989,13 @@ static int em_aad(struct x86_emulate_ctxt *ctxt)
 
 static int em_call(struct x86_emulate_ctxt *ctxt)
 {
+	int rc;
 	long rel = ctxt->src.val;
 
 	ctxt->src.val = (unsigned long)ctxt->_eip;
-	jmp_rel(ctxt, rel);
+	rc = jmp_rel(ctxt, rel);
+	if (rc != X86EMUL_CONTINUE)
+		return rc;
 	return em_push(ctxt);
 }
 
@@ -2892,34 +3004,50 @@ static int em_call_far(struct x86_emulate_ctxt *ctxt)
 	u16 sel, old_cs;
 	ulong old_eip;
 	int rc;
+	struct desc_struct old_desc, new_desc;
+	const struct x86_emulate_ops *ops = ctxt->ops;
+	int cpl = ctxt->ops->cpl(ctxt);
 
-	old_cs = get_segment_selector(ctxt, VCPU_SREG_CS);
 	old_eip = ctxt->_eip;
+	ops->get_segment(ctxt, &old_cs, &old_desc, NULL, VCPU_SREG_CS);
 
 	memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2);
-	if (load_segment_descriptor(ctxt, sel, VCPU_SREG_CS))
+	rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl, false,
+				       &new_desc);
+	if (rc != X86EMUL_CONTINUE)
 		return X86EMUL_CONTINUE;
 
-	ctxt->_eip = 0;
-	memcpy(&ctxt->_eip, ctxt->src.valptr, ctxt->op_bytes);
+	rc = assign_eip_far(ctxt, ctxt->src.val, new_desc.l);
+	if (rc != X86EMUL_CONTINUE)
+		goto fail;
 
 	ctxt->src.val = old_cs;
 	rc = em_push(ctxt);
 	if (rc != X86EMUL_CONTINUE)
-		return rc;
+		goto fail;
 
 	ctxt->src.val = old_eip;
-	return em_push(ctxt);
+	rc = em_push(ctxt);
+	/* If we failed, we tainted the memory, but the very least we should
+	   restore cs */
+	if (rc != X86EMUL_CONTINUE)
+		goto fail;
+	return rc;
+fail:
+	ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS);
+	return rc;
+
 }
 
 static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt)
 {
 	int rc;
+	unsigned long eip;
 
-	ctxt->dst.type = OP_REG;
-	ctxt->dst.addr.reg = &ctxt->_eip;
-	ctxt->dst.bytes = ctxt->op_bytes;
-	rc = emulate_pop(ctxt, &ctxt->dst.val, ctxt->op_bytes);
+	rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
+	if (rc != X86EMUL_CONTINUE)
+		return rc;
+	rc = assign_eip_near(ctxt, eip);
 	if (rc != X86EMUL_CONTINUE)
 		return rc;
 	rsp_increment(ctxt, ctxt->src.val);
@@ -3250,20 +3378,24 @@ static int em_lmsw(struct x86_emulate_ctxt *ctxt)
 
 static int em_loop(struct x86_emulate_ctxt *ctxt)
 {
+	int rc = X86EMUL_CONTINUE;
+
 	register_address_increment(ctxt, reg_rmw(ctxt, VCPU_REGS_RCX), -1);
 	if ((address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) != 0) &&
 	    (ctxt->b == 0xe2 || test_cc(ctxt->b ^ 0x5, ctxt->eflags)))
-		jmp_rel(ctxt, ctxt->src.val);
+		rc = jmp_rel(ctxt, ctxt->src.val);
 
-	return X86EMUL_CONTINUE;
+	return rc;
 }
 
 static int em_jcxz(struct x86_emulate_ctxt *ctxt)
 {
+	int rc = X86EMUL_CONTINUE;
+
 	if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0)
-		jmp_rel(ctxt, ctxt->src.val);
+		rc = jmp_rel(ctxt, ctxt->src.val);
 
-	return X86EMUL_CONTINUE;
+	return rc;
 }
 
 static int em_in(struct x86_emulate_ctxt *ctxt)
@@ -3351,6 +3483,12 @@ static int em_bswap(struct x86_emulate_ctxt *ctxt)
 	return X86EMUL_CONTINUE;
 }
 
+static int em_clflush(struct x86_emulate_ctxt *ctxt)
+{
+	/* emulating clflush regardless of cpuid */
+	return X86EMUL_CONTINUE;
+}
+
 static bool valid_cr(int nr)
 {
 	switch (nr) {
@@ -3683,6 +3821,16 @@ static const struct opcode group11[] = {
 	X7(D(Undefined)),
 };
 
+static const struct gprefix pfx_0f_ae_7 = {
+	I(SrcMem | ByteOp, em_clflush), N, N, N,
+};
+
+static const struct group_dual group15 = { {
+	N, N, N, N, N, N, N, GP(0, &pfx_0f_ae_7),
+}, {
+	N, N, N, N, N, N, N, N,
+} };
+
 static const struct gprefix pfx_0f_6f_0f_7f = {
 	I(Mmx, em_mov), I(Sse | Aligned, em_mov), N, I(Sse | Unaligned, em_mov),
 };
@@ -3887,10 +4035,11 @@ static const struct opcode twobyte_table[256] = {
 	N, I(ImplicitOps | EmulateOnUD, em_syscall),
 	II(ImplicitOps | Priv, em_clts, clts), N,
 	DI(ImplicitOps | Priv, invd), DI(ImplicitOps | Priv, wbinvd), N, N,
-	N, D(ImplicitOps | ModRM), N, N,
+	N, D(ImplicitOps | ModRM | SrcMem | NoAccess), N, N,
 	/* 0x10 - 0x1F */
 	N, N, N, N, N, N, N, N,
-	D(ImplicitOps | ModRM), N, N, N, N, N, N, D(ImplicitOps | ModRM),
+	D(ImplicitOps | ModRM | SrcMem | NoAccess),
+	N, N, N, N, N, N, D(ImplicitOps | ModRM | SrcMem | NoAccess),
 	/* 0x20 - 0x2F */
 	DIP(ModRM | DstMem | Priv | Op3264 | NoMod, cr_read, check_cr_read),
 	DIP(ModRM | DstMem | Priv | Op3264 | NoMod, dr_read, check_dr_read),
@@ -3942,7 +4091,7 @@ static const struct opcode twobyte_table[256] = {
 	F(DstMem | SrcReg | ModRM | BitOp | Lock | PageTable, em_bts),
 	F(DstMem | SrcReg | Src2ImmByte | ModRM, em_shrd),
 	F(DstMem | SrcReg | Src2CL | ModRM, em_shrd),
-	D(ModRM), F(DstReg | SrcMem | ModRM, em_imul),
+	GD(0, &group15), F(DstReg | SrcMem | ModRM, em_imul),
 	/* 0xB0 - 0xB7 */
 	I2bv(DstMem | SrcReg | ModRM | Lock | PageTable, em_cmpxchg),
 	I(DstReg | SrcMemFAddr | ModRM | Src2SS, em_lseg),
@@ -4458,10 +4607,10 @@ done_prefixes:
 	/* Decode and fetch the destination operand: register or memory. */
 	rc = decode_operand(ctxt, &ctxt->dst, (ctxt->d >> DstShift) & OpMask);
 
-done:
 	if (ctxt->rip_relative)
 		ctxt->memopp->addr.mem.ea += ctxt->_eip;
 
+done:
 	return (rc != X86EMUL_CONTINUE) ? EMULATION_FAILED : EMULATION_OK;
 }
 
@@ -4711,7 +4860,7 @@ special_insn:
 		break;
 	case 0x70 ... 0x7f: /* jcc (short) */
 		if (test_cc(ctxt->b, ctxt->eflags))
-			jmp_rel(ctxt, ctxt->src.val);
+			rc = jmp_rel(ctxt, ctxt->src.val);
 		break;
 	case 0x8d: /* lea r16/r32, m */
 		ctxt->dst.val = ctxt->src.addr.mem.ea;
@@ -4741,7 +4890,7 @@ special_insn:
 		break;
 	case 0xe9: /* jmp rel */
 	case 0xeb: /* jmp rel short */
-		jmp_rel(ctxt, ctxt->src.val);
+		rc = jmp_rel(ctxt, ctxt->src.val);
 		ctxt->dst.type = OP_NONE; /* Disable writeback. */
 		break;
 	case 0xf4:              /* hlt */
@@ -4864,13 +5013,11 @@ twobyte_insn:
 		break;
 	case 0x80 ... 0x8f: /* jnz rel, etc*/
 		if (test_cc(ctxt->b, ctxt->eflags))
-			jmp_rel(ctxt, ctxt->src.val);
+			rc = jmp_rel(ctxt, ctxt->src.val);
 		break;
 	case 0x90 ... 0x9f:     /* setcc r/m8 */
 		ctxt->dst.val = test_cc(ctxt->b, ctxt->eflags);
 		break;
-	case 0xae:              /* clflush */
-		break;
 	case 0xb6 ... 0xb7:	/* movzx */
 		ctxt->dst.bytes = ctxt->op_bytes;
 		ctxt->dst.val = (ctxt->src.bytes == 1) ? (u8) ctxt->src.val
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 518d864..298781d 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -262,8 +262,10 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
 		return;
 
 	timer = &pit->pit_state.timer;
+	mutex_lock(&pit->pit_state.lock);
 	if (hrtimer_cancel(timer))
 		hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
+	mutex_unlock(&pit->pit_state.lock);
 }
 
 static void destroy_pit_timer(struct kvm_pit *pit)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ddf7427..78dadc3 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3234,7 +3234,7 @@ static int wrmsr_interception(struct vcpu_svm *svm)
 	msr.host_initiated = false;
 
 	svm->next_rip = kvm_rip_read(&svm->vcpu) + 2;
-	if (svm_set_msr(&svm->vcpu, &msr)) {
+	if (kvm_set_msr(&svm->vcpu, &msr)) {
 		trace_kvm_msr_write_ex(ecx, data);
 		kvm_inject_gp(&svm->vcpu, 0);
 	} else {
@@ -3534,9 +3534,9 @@ static int handle_exit(struct kvm_vcpu *vcpu)
 
 	if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
 	    || !svm_exit_handlers[exit_code]) {
-		kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
-		kvm_run->hw.hardware_exit_reason = exit_code;
-		return 0;
+		WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_code);
+		kvm_queue_exception(vcpu, UD_VECTOR);
+		return 1;
 	}
 
 	return svm_exit_handlers[exit_code](svm);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6a118fa..41a5426 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2632,12 +2632,15 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 	default:
 		msr = find_msr_entry(vmx, msr_index);
 		if (msr) {
+			u64 old_msr_data = msr->data;
 			msr->data = data;
 			if (msr - vmx->guest_msrs < vmx->save_nmsrs) {
 				preempt_disable();
-				kvm_set_shared_msr(msr->index, msr->data,
-						   msr->mask);
+				ret = kvm_set_shared_msr(msr->index, msr->data,
+							 msr->mask);
 				preempt_enable();
+				if (ret)
+					msr->data = old_msr_data;
 			}
 			break;
 		}
@@ -5263,7 +5266,7 @@ static int handle_wrmsr(struct kvm_vcpu *vcpu)
 	msr.data = data;
 	msr.index = ecx;
 	msr.host_initiated = false;
-	if (vmx_set_msr(vcpu, &msr) != 0) {
+	if (kvm_set_msr(vcpu, &msr) != 0) {
 		trace_kvm_msr_write_ex(ecx, data);
 		kvm_inject_gp(vcpu, 0);
 		return 1;
@@ -6636,6 +6639,12 @@ static int handle_invept(struct kvm_vcpu *vcpu)
 	return 1;
 }
 
+static int handle_invvpid(struct kvm_vcpu *vcpu)
+{
+	kvm_queue_exception(vcpu, UD_VECTOR);
+	return 1;
+}
+
 /*
  * The exit handlers return 1 if the exit was handled fully and guest execution
  * may resume.  Otherwise they set the kvm_run parameter to indicate what needs
@@ -6681,6 +6690,7 @@ static int (*const kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = {
 	[EXIT_REASON_MWAIT_INSTRUCTION]	      = handle_mwait,
 	[EXIT_REASON_MONITOR_INSTRUCTION]     = handle_monitor,
 	[EXIT_REASON_INVEPT]                  = handle_invept,
+	[EXIT_REASON_INVVPID]                 = handle_invvpid,
 };
 
 static const int kvm_vmx_max_exit_handlers =
@@ -6914,7 +6924,7 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
 	case EXIT_REASON_VMPTRST: case EXIT_REASON_VMREAD:
 	case EXIT_REASON_VMRESUME: case EXIT_REASON_VMWRITE:
 	case EXIT_REASON_VMOFF: case EXIT_REASON_VMON:
-	case EXIT_REASON_INVEPT:
+	case EXIT_REASON_INVEPT: case EXIT_REASON_INVVPID:
 		/*
 		 * VMX instructions trap unconditionally. This allows L1 to
 		 * emulate them for its L2 guest, i.e., allows 3-level nesting!
@@ -7055,10 +7065,10 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
 	    && kvm_vmx_exit_handlers[exit_reason])
 		return kvm_vmx_exit_handlers[exit_reason](vcpu);
 	else {
-		vcpu->run->exit_reason = KVM_EXIT_UNKNOWN;
-		vcpu->run->hw.hardware_exit_reason = exit_reason;
+		WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_reason);
+		kvm_queue_exception(vcpu, UD_VECTOR);
+		return 1;
 	}
-	return 0;
 }
 
 static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8f1e22d..9d292e8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -229,20 +229,25 @@ static void kvm_shared_msr_cpu_online(void)
 		shared_msr_update(i, shared_msrs_global.msrs[i]);
 }
 
-void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask)
+int kvm_set_shared_msr(unsigned slot, u64 value, u64 mask)
 {
 	unsigned int cpu = smp_processor_id();
 	struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu);
+	int err;
 
 	if (((value ^ smsr->values[slot].curr) & mask) == 0)
-		return;
+		return 0;
 	smsr->values[slot].curr = value;
-	wrmsrl(shared_msrs_global.msrs[slot], value);
+	err = wrmsrl_safe(shared_msrs_global.msrs[slot], value);
+	if (err)
+		return 1;
+
 	if (!smsr->registered) {
 		smsr->urn.on_user_return = kvm_on_user_return;
 		user_return_notifier_register(&smsr->urn);
 		smsr->registered = true;
 	}
+	return 0;
 }
 EXPORT_SYMBOL_GPL(kvm_set_shared_msr);
 
@@ -984,7 +989,6 @@ void kvm_enable_efer_bits(u64 mask)
 }
 EXPORT_SYMBOL_GPL(kvm_enable_efer_bits);
 
-
 /*
  * Writes msr value into into the appropriate "register".
  * Returns 0 on success, non-0 otherwise.
@@ -992,8 +996,34 @@ EXPORT_SYMBOL_GPL(kvm_enable_efer_bits);
  */
 int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
 {
+	switch (msr->index) {
+	case MSR_FS_BASE:
+	case MSR_GS_BASE:
+	case MSR_KERNEL_GS_BASE:
+	case MSR_CSTAR:
+	case MSR_LSTAR:
+		if (is_noncanonical_address(msr->data))
+			return 1;
+		break;
+	case MSR_IA32_SYSENTER_EIP:
+	case MSR_IA32_SYSENTER_ESP:
+		/*
+		 * IA32_SYSENTER_ESP and IA32_SYSENTER_EIP cause #GP if
+		 * non-canonical address is written on Intel but not on
+		 * AMD (which ignores the top 32-bits, because it does
+		 * not implement 64-bit SYSENTER).
+		 *
+		 * 64-bit code should hence be able to write a non-canonical
+		 * value on AMD.  Making the address canonical ensures that
+		 * vmentry does not fail on Intel after writing a non-canonical
+		 * value, and that something deterministic happens if the guest
+		 * invokes 64-bit SYSENTER.
+		 */
+		msr->data = get_canonical(msr->data);
+	}
 	return kvm_x86_ops->set_msr(vcpu, msr);
 }
+EXPORT_SYMBOL_GPL(kvm_set_msr);
 
 /*
  * Adapt set_msr() to msr_io()'s calling convention
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index ae242a7..36de293 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -409,7 +409,7 @@ phys_addr_t slow_virt_to_phys(void *__virt_addr)
 	psize = page_level_size(level);
 	pmask = page_level_mask(level);
 	offset = virt_addr & ~pmask;
-	phys_addr = pte_pfn(*pte) << PAGE_SHIFT;
+	phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT;
 	return (phys_addr | offset);
 }
 EXPORT_SYMBOL_GPL(slow_virt_to_phys);
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 5c8cb80..c881ba8 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -211,12 +211,17 @@ struct jit_context {
 	bool seen_ld_abs;
 };
 
+/* maximum number of bytes emitted while JITing one eBPF insn */
+#define BPF_MAX_INSN_SIZE	128
+#define BPF_INSN_SAFETY		64
+
 static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
 		  int oldproglen, struct jit_context *ctx)
 {
 	struct bpf_insn *insn = bpf_prog->insnsi;
 	int insn_cnt = bpf_prog->len;
-	u8 temp[64];
+	bool seen_ld_abs = ctx->seen_ld_abs | (oldproglen == 0);
+	u8 temp[BPF_MAX_INSN_SIZE + BPF_INSN_SAFETY];
 	int i;
 	int proglen = 0;
 	u8 *prog = temp;
@@ -254,7 +259,7 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
 	EMIT2(0x31, 0xc0); /* xor eax, eax */
 	EMIT3(0x4D, 0x31, 0xED); /* xor r13, r13 */
 
-	if (ctx->seen_ld_abs) {
+	if (seen_ld_abs) {
 		/* r9d : skb->len - skb->data_len (headlen)
 		 * r10 : skb->data
 		 */
@@ -655,7 +660,7 @@ xadd:			if (is_imm8(insn->off))
 		case BPF_JMP | BPF_CALL:
 			func = (u8 *) __bpf_call_base + imm32;
 			jmp_offset = func - (image + addrs[i]);
-			if (ctx->seen_ld_abs) {
+			if (seen_ld_abs) {
 				EMIT2(0x41, 0x52); /* push %r10 */
 				EMIT2(0x41, 0x51); /* push %r9 */
 				/* need to adjust jmp offset, since
@@ -669,7 +674,7 @@ xadd:			if (is_imm8(insn->off))
 				return -EINVAL;
 			}
 			EMIT1_off32(0xE8, jmp_offset);
-			if (ctx->seen_ld_abs) {
+			if (seen_ld_abs) {
 				EMIT2(0x41, 0x59); /* pop %r9 */
 				EMIT2(0x41, 0x5A); /* pop %r10 */
 			}
@@ -774,7 +779,8 @@ emit_jmp:
 			goto common_load;
 		case BPF_LD | BPF_ABS | BPF_W:
 			func = CHOOSE_LOAD_FUNC(imm32, sk_load_word);
-common_load:		ctx->seen_ld_abs = true;
+common_load:
+			ctx->seen_ld_abs = seen_ld_abs = true;
 			jmp_offset = func - (image + addrs[i]);
 			if (!func || !is_simm32(jmp_offset)) {
 				pr_err("unsupported bpf func %d addr %p image %p\n",
@@ -848,6 +854,11 @@ common_load:		ctx->seen_ld_abs = true;
 		}
 
 		ilen = prog - temp;
+		if (ilen > BPF_MAX_INSN_SIZE) {
+			pr_err("bpf_jit_compile fatal insn size error\n");
+			return -EFAULT;
+		}
+
 		if (image) {
 			if (unlikely(proglen + ilen > oldproglen)) {
 				pr_err("bpf_jit_compile fatal error\n");
@@ -904,9 +915,11 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
 			goto out;
 		}
 		if (image) {
-			if (proglen != oldproglen)
+			if (proglen != oldproglen) {
 				pr_err("bpf_jit: proglen=%d != oldproglen=%d\n",
 				       proglen, oldproglen);
+				goto out;
+			}
 			break;
 		}
 		if (proglen == oldproglen) {
diff --git a/arch/x86/platform/intel-mid/sfi.c b/arch/x86/platform/intel-mid/sfi.c
index 3c53a90..c14ad34 100644
--- a/arch/x86/platform/intel-mid/sfi.c
+++ b/arch/x86/platform/intel-mid/sfi.c
@@ -106,6 +106,7 @@ int __init sfi_parse_mtmr(struct sfi_table_header *table)
 			mp_irq.dstapic = MP_APIC_ALL;
 			mp_irq.dstirq = pentry->irq;
 			mp_save_irq(&mp_irq);
+			mp_map_gsi_to_irq(pentry->irq, IOAPIC_MAP_ALLOC);
 	}
 
 	return 0;
@@ -176,6 +177,7 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table)
 		mp_irq.dstapic = MP_APIC_ALL;
 		mp_irq.dstirq = pentry->irq;
 		mp_save_irq(&mp_irq);
+		mp_map_gsi_to_irq(pentry->irq, IOAPIC_MAP_ALLOC);
 	}
 	return 0;
 }
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index c1b9242..74a4168 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -463,8 +463,8 @@ static void bt_update_count(struct blk_mq_bitmap_tags *bt,
 	}
 
 	bt->wake_cnt = BT_WAIT_BATCH;
-	if (bt->wake_cnt > depth / 4)
-		bt->wake_cnt = max(1U, depth / 4);
+	if (bt->wake_cnt > depth / BT_WAIT_QUEUES)
+		bt->wake_cnt = max(1U, depth / BT_WAIT_QUEUES);
 
 	bt->depth = depth;
 }
diff --git a/block/blk-settings.c b/block/blk-settings.c
index f1a1795..aa02247 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -574,7 +574,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
 		bottom = max(b->physical_block_size, b->io_min) + alignment;
 
 		/* Verify that top and bottom intervals line up */
-		if (max(top, bottom) & (min(top, bottom) - 1)) {
+		if (max(top, bottom) % min(top, bottom)) {
 			t->misaligned = 1;
 			ret = -1;
 		}
@@ -619,7 +619,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
 
 	/* Find lowest common alignment_offset */
 	t->alignment_offset = lcm(t->alignment_offset, alignment)
-		& (max(t->physical_block_size, t->io_min) - 1);
+		% max(t->physical_block_size, t->io_min);
 
 	/* Verify that new alignment_offset is on a logical block boundary */
 	if (t->alignment_offset & (t->logical_block_size - 1)) {
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 9b8eaec..a6d6270 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -509,7 +509,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
 
 	if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) {
 		err = DRIVER_ERROR << 24;
-		goto out;
+		goto error;
 	}
 
 	memset(sense, 0, sizeof(sense));
@@ -518,7 +518,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
 
 	blk_execute_rq(q, disk, rq, 0);
 
-out:
 	err = rq->errors & 0xff;	/* only 8 bit SCSI status */
 	if (err) {
 		if (rq->sense_len && rq->sense) {
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index a19c027..83187f4 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -49,7 +49,7 @@ struct skcipher_ctx {
 	struct ablkcipher_request req;
 };
 
-#define MAX_SGL_ENTS ((PAGE_SIZE - sizeof(struct skcipher_sg_list)) / \
+#define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \
 		      sizeof(struct scatterlist) - 1)
 
 static inline int skcipher_sndbuf(struct sock *sk)
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 67075f8..5e9cbd6 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -710,7 +710,7 @@ int acpi_pm_device_run_wake(struct device *phys_dev, bool enable)
 		return -ENODEV;
 	}
 
-	return acpi_device_wakeup(adev, enable, ACPI_STATE_S0);
+	return acpi_device_wakeup(adev, ACPI_STATE_S0, enable);
 }
 EXPORT_SYMBOL(acpi_pm_device_run_wake);
 #endif /* CONFIG_PM_RUNTIME */
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index cb6066c..c874859 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -126,6 +126,7 @@ static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */
 static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */
 static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */
 static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */
+static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */
 
 /* --------------------------------------------------------------------------
                              Transaction Management
@@ -210,13 +211,8 @@ static bool advance_transaction(struct acpi_ec *ec)
 		}
 		return wakeup;
 	} else {
-		/*
-		 * There is firmware refusing to respond QR_EC when SCI_EVT
-		 * is not set, for which case, we complete the QR_EC
-		 * without issuing it to the firmware.
-		 * https://bugzilla.kernel.org/show_bug.cgi?id=86211
-		 */
-		if (!(status & ACPI_EC_FLAG_SCI) &&
+		if (EC_FLAGS_QUERY_HANDSHAKE &&
+		    !(status & ACPI_EC_FLAG_SCI) &&
 		    (t->command == ACPI_EC_COMMAND_QUERY)) {
 			t->flags |= ACPI_EC_COMMAND_POLL;
 			t->rdata[t->ri++] = 0x00;
@@ -981,6 +977,18 @@ static int ec_enlarge_storm_threshold(const struct dmi_system_id *id)
 }
 
 /*
+ * Acer EC firmware refuses to respond QR_EC when SCI_EVT is not set, for
+ * which case, we complete the QR_EC without issuing it to the firmware.
+ * https://bugzilla.kernel.org/show_bug.cgi?id=86211
+ */
+static int ec_flag_query_handshake(const struct dmi_system_id *id)
+{
+	pr_debug("Detected the EC firmware requiring QR_EC issued when SCI_EVT set\n");
+	EC_FLAGS_QUERY_HANDSHAKE = 1;
+	return 0;
+}
+
+/*
  * On some hardware it is necessary to clear events accumulated by the EC during
  * sleep. These ECs stop reporting GPEs until they are manually polled, if too
  * many events are accumulated. (e.g. Samsung Series 5/9 notebooks)
@@ -1054,6 +1062,9 @@ static struct dmi_system_id ec_dmi_table[] __initdata = {
 	{
 	ec_clear_on_resume, "Samsung hardware", {
 	DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL},
+	{
+	ec_flag_query_handshake, "Acer hardware", {
+	DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, NULL},
 	{},
 };
 
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 1121153..db90aa3 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2008,13 +2008,15 @@ static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
 
 	DPRINTK("ata%u: bus reset via SRST\n", ap->print_id);
 
-	/* software reset.  causes dev0 to be selected */
-	iowrite8(ap->ctl, ioaddr->ctl_addr);
-	udelay(20);	/* FIXME: flush */
-	iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
-	udelay(20);	/* FIXME: flush */
-	iowrite8(ap->ctl, ioaddr->ctl_addr);
-	ap->last_ctl = ap->ctl;
+	if (ap->ioaddr.ctl_addr) {
+		/* software reset.  causes dev0 to be selected */
+		iowrite8(ap->ctl, ioaddr->ctl_addr);
+		udelay(20);	/* FIXME: flush */
+		iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
+		udelay(20);	/* FIXME: flush */
+		iowrite8(ap->ctl, ioaddr->ctl_addr);
+		ap->last_ctl = ap->ctl;
+	}
 
 	/* wait the port to become ready */
 	return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
@@ -2215,10 +2217,6 @@ void ata_sff_error_handler(struct ata_port *ap)
 
 	spin_unlock_irqrestore(ap->lock, flags);
 
-	/* ignore ata_sff_softreset if ctl isn't accessible */
-	if (softreset == ata_sff_softreset && !ap->ioaddr.ctl_addr)
-		softreset = NULL;
-
 	/* ignore built-in hardresets if SCR access is not available */
 	if ((hardreset == sata_std_hardreset ||
 	     hardreset == sata_sff_hardreset) && !sata_scr_valid(&ap->link))
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index fc5f31d..57de021 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -251,12 +251,18 @@ static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev
 	pci_write_config_byte(pdev, 0x54, ultra_cfg);
 }
 
-static struct scsi_host_template serverworks_sht = {
+static struct scsi_host_template serverworks_osb4_sht = {
+	ATA_BMDMA_SHT(DRV_NAME),
+	.sg_tablesize	= LIBATA_DUMB_MAX_PRD,
+};
+
+static struct scsi_host_template serverworks_csb_sht = {
 	ATA_BMDMA_SHT(DRV_NAME),
 };
 
 static struct ata_port_operations serverworks_osb4_port_ops = {
 	.inherits	= &ata_bmdma_port_ops,
+	.qc_prep	= ata_bmdma_dumb_qc_prep,
 	.cable_detect	= serverworks_cable_detect,
 	.mode_filter	= serverworks_osb4_filter,
 	.set_piomode	= serverworks_set_piomode,
@@ -265,6 +271,7 @@ static struct ata_port_operations serverworks_osb4_port_ops = {
 
 static struct ata_port_operations serverworks_csb_port_ops = {
 	.inherits	= &serverworks_osb4_port_ops,
+	.qc_prep	= ata_bmdma_qc_prep,
 	.mode_filter	= serverworks_csb_filter,
 };
 
@@ -404,6 +411,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
 		}
 	};
 	const struct ata_port_info *ppi[] = { &info[id->driver_data], NULL };
+	struct scsi_host_template *sht = &serverworks_csb_sht;
 	int rc;
 
 	rc = pcim_enable_device(pdev);
@@ -417,6 +425,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
 		/* Select non UDMA capable OSB4 if we can't do fixups */
 		if (rc < 0)
 			ppi[0] = &info[1];
+		sht = &serverworks_osb4_sht;
 	}
 	/* setup CSB5/CSB6 : South Bridge and IDE option RAID */
 	else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||
@@ -433,7 +442,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
 			ppi[1] = &ata_dummy_port_info;
 	}
 
-	return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 20da3ad..0e9468c 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -724,12 +724,12 @@ class_dir_create_and_add(struct class *class, struct kobject *parent_kobj)
 	return &dir->kobj;
 }
 
+static DEFINE_MUTEX(gdp_mutex);
 
 static struct kobject *get_device_parent(struct device *dev,
 					 struct device *parent)
 {
 	if (dev->class) {
-		static DEFINE_MUTEX(gdp_mutex);
 		struct kobject *kobj = NULL;
 		struct kobject *parent_kobj;
 		struct kobject *k;
@@ -793,7 +793,9 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir)
 	    glue_dir->kset != &dev->class->p->glue_dirs)
 		return;
 
+	mutex_lock(&gdp_mutex);
 	kobject_put(glue_dir);
+	mutex_unlock(&gdp_mutex);
 }
 
 static void cleanup_device_parent(struct device *dev)
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index b67d9ae..ebc2f9d 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1266,6 +1266,8 @@ static int dpm_suspend_late(pm_message_t state)
 	}
 	mutex_unlock(&dpm_list_mtx);
 	async_synchronize_full();
+	if (!error)
+		error = async_error;
 	if (error) {
 		suspend_stats.failed_suspend_late++;
 		dpm_save_failed_step(SUSPEND_SUSPEND_LATE);
diff --git a/drivers/block/drbd/drbd_interval.c b/drivers/block/drbd/drbd_interval.c
index 89c497c..04a14e0 100644
--- a/drivers/block/drbd/drbd_interval.c
+++ b/drivers/block/drbd/drbd_interval.c
@@ -79,6 +79,7 @@ bool
 drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
 {
 	struct rb_node **new = &root->rb_node, *parent = NULL;
+	sector_t this_end = this->sector + (this->size >> 9);
 
 	BUG_ON(!IS_ALIGNED(this->size, 512));
 
@@ -87,6 +88,8 @@ drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
 			rb_entry(*new, struct drbd_interval, rb);
 
 		parent = *new;
+		if (here->end < this_end)
+			here->end = this_end;
 		if (this->sector < here->sector)
 			new = &(*new)->rb_left;
 		else if (this->sector > here->sector)
@@ -99,6 +102,7 @@ drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
 			return false;
 	}
 
+	this->end = this_end;
 	rb_link_node(&this->rb, parent, new);
 	rb_insert_augmented(&this->rb, root, &augment_callbacks);
 	return true;
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4b97baf..33f0f97 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3382,7 +3382,7 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev,
 	page_count = (u32) calc_pages_for(offset, length);
 	pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
 	if (IS_ERR(pages))
-		ret = PTR_ERR(pages);
+		return PTR_ERR(pages);
 
 	ret = -ENOMEM;
 	obj_request = rbd_obj_request_create(object_name, offset, length,
@@ -5087,7 +5087,8 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev)
 	set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE);
 	set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only);
 
-	rbd_dev->rq_wq = alloc_workqueue("%s", 0, 0, rbd_dev->disk->disk_name);
+	rbd_dev->rq_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0,
+					 rbd_dev->disk->disk_name);
 	if (!rbd_dev->rq_wq) {
 		ret = -ENOMEM;
 		goto err_out_mapping;
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 64c60ed..63fc7f0 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -763,6 +763,7 @@ again:
 			BUG_ON(new_map_idx >= segs_to_map);
 			if (unlikely(map[new_map_idx].status != 0)) {
 				pr_debug(DRV_PFX "invalid buffer -- could not remap it\n");
+				put_free_pages(blkif, &pages[seg_idx]->page, 1);
 				pages[seg_idx]->handle = BLKBACK_INVALID_HANDLE;
 				ret |= 1;
 				goto next;
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 3a8b810..54f4089 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -270,6 +270,9 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif)
 		blkif->blk_rings.common.sring = NULL;
 	}
 
+	/* Remove all persistent grants and the cache of ballooned pages. */
+	xen_blkbk_free_caches(blkif);
+
 	return 0;
 }
 
@@ -281,9 +284,6 @@ static void xen_blkif_free(struct xen_blkif *blkif)
 	xen_blkif_disconnect(blkif);
 	xen_vbd_free(&blkif->vbd);
 
-	/* Remove all persistent grants and the cache of ballooned pages. */
-	xen_blkbk_free_caches(blkif);
-
 	/* Make sure everything is drained before shutting down */
 	BUG_ON(blkif->persistent_gnt_c != 0);
 	BUG_ON(atomic_read(&blkif->persistent_gnt_in_use) != 0);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index c18d41d..8c86a95 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1106,7 +1106,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
 	__mix_pool_bytes(r, hash.w, sizeof(hash.w));
 	spin_unlock_irqrestore(&r->lock, flags);
 
-	memset(workspace, 0, sizeof(workspace));
+	memzero_explicit(workspace, sizeof(workspace));
 
 	/*
 	 * In case the hash function has some recognizable output
@@ -1118,7 +1118,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
 	hash.w[2] ^= rol32(hash.w[2], 16);
 
 	memcpy(out, &hash, EXTRACT_SIZE);
-	memset(&hash, 0, sizeof(hash));
+	memzero_explicit(&hash, sizeof(hash));
 }
 
 /*
@@ -1175,7 +1175,7 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
 	}
 
 	/* Wipe data just returned from memory */
-	memset(tmp, 0, sizeof(tmp));
+	memzero_explicit(tmp, sizeof(tmp));
 
 	return ret;
 }
@@ -1218,7 +1218,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
 	}
 
 	/* Wipe data just returned from memory */
-	memset(tmp, 0, sizeof(tmp));
+	memzero_explicit(tmp, sizeof(tmp));
 
 	return ret;
 }
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 61190f6..c05821e 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -512,7 +512,18 @@ show_one(cpuinfo_max_freq, cpuinfo.max_freq);
 show_one(cpuinfo_transition_latency, cpuinfo.transition_latency);
 show_one(scaling_min_freq, min);
 show_one(scaling_max_freq, max);
-show_one(scaling_cur_freq, cur);
+
+static ssize_t show_scaling_cur_freq(
+	struct cpufreq_policy *policy, char *buf)
+{
+	ssize_t ret;
+
+	if (cpufreq_driver && cpufreq_driver->setpolicy && cpufreq_driver->get)
+		ret = sprintf(buf, "%u\n", cpufreq_driver->get(policy->cpu));
+	else
+		ret = sprintf(buf, "%u\n", policy->cur);
+	return ret;
+}
 
 static int cpufreq_set_policy(struct cpufreq_policy *policy,
 				struct cpufreq_policy *new_policy);
@@ -906,11 +917,11 @@ static int cpufreq_add_dev_interface(struct cpufreq_policy *policy,
 		if (ret)
 			goto err_out_kobj_put;
 	}
-	if (has_target()) {
-		ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
-		if (ret)
-			goto err_out_kobj_put;
-	}
+
+	ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
+	if (ret)
+		goto err_out_kobj_put;
+
 	if (cpufreq_driver->bios_limit) {
 		ret = sysfs_create_file(&policy->kobj, &bios_limit.attr);
 		if (ret)
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 0668b38..27bb6d3 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -52,6 +52,17 @@ static inline int32_t div_fp(int32_t x, int32_t y)
 	return div_s64((int64_t)x << FRAC_BITS, y);
 }
 
+static inline int ceiling_fp(int32_t x)
+{
+	int mask, ret;
+
+	ret = fp_toint(x);
+	mask = (1 << FRAC_BITS) - 1;
+	if (x & mask)
+		ret += 1;
+	return ret;
+}
+
 struct sample {
 	int32_t core_pct_busy;
 	u64 aperf;
@@ -64,6 +75,7 @@ struct pstate_data {
 	int	current_pstate;
 	int	min_pstate;
 	int	max_pstate;
+	int	scaling;
 	int	turbo_pstate;
 };
 
@@ -113,6 +125,7 @@ struct pstate_funcs {
 	int (*get_max)(void);
 	int (*get_min)(void);
 	int (*get_turbo)(void);
+	int (*get_scaling)(void);
 	void (*set)(struct cpudata*, int pstate);
 	void (*get_vid)(struct cpudata *);
 };
@@ -138,6 +151,7 @@ struct perf_limits {
 
 static struct perf_limits limits = {
 	.no_turbo = 0,
+	.turbo_disabled = 0,
 	.max_perf_pct = 100,
 	.max_perf = int_tofp(1),
 	.min_perf_pct = 0,
@@ -218,6 +232,18 @@ static inline void intel_pstate_reset_all_pid(void)
 	}
 }
 
+static inline void update_turbo_state(void)
+{
+	u64 misc_en;
+	struct cpudata *cpu;
+
+	cpu = all_cpu_data[0];
+	rdmsrl(MSR_IA32_MISC_ENABLE, misc_en);
+	limits.turbo_disabled =
+		(misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ||
+		 cpu->pstate.max_pstate == cpu->pstate.turbo_pstate);
+}
+
 /************************** debugfs begin ************************/
 static int pid_param_set(void *data, u64 val)
 {
@@ -274,6 +300,20 @@ static void __init intel_pstate_debug_expose_params(void)
 		return sprintf(buf, "%u\n", limits.object);		\
 	}
 
+static ssize_t show_no_turbo(struct kobject *kobj,
+			     struct attribute *attr, char *buf)
+{
+	ssize_t ret;
+
+	update_turbo_state();
+	if (limits.turbo_disabled)
+		ret = sprintf(buf, "%u\n", limits.turbo_disabled);
+	else
+		ret = sprintf(buf, "%u\n", limits.no_turbo);
+
+	return ret;
+}
+
 static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
 			      const char *buf, size_t count)
 {
@@ -283,11 +323,14 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
 	ret = sscanf(buf, "%u", &input);
 	if (ret != 1)
 		return -EINVAL;
-	limits.no_turbo = clamp_t(int, input, 0 , 1);
+
+	update_turbo_state();
 	if (limits.turbo_disabled) {
 		pr_warn("Turbo disabled by BIOS or unavailable on processor\n");
-		limits.no_turbo = limits.turbo_disabled;
+		return -EPERM;
 	}
+	limits.no_turbo = clamp_t(int, input, 0, 1);
+
 	return count;
 }
 
@@ -323,7 +366,6 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
 	return count;
 }
 
-show_one(no_turbo, no_turbo);
 show_one(max_perf_pct, max_perf_pct);
 show_one(min_perf_pct, min_perf_pct);
 
@@ -394,7 +436,7 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate)
 		cpudata->vid.ratio);
 
 	vid_fp = clamp_t(int32_t, vid_fp, cpudata->vid.min, cpudata->vid.max);
-	vid = fp_toint(vid_fp);
+	vid = ceiling_fp(vid_fp);
 
 	if (pstate > cpudata->pstate.max_pstate)
 		vid = cpudata->vid.turbo;
@@ -404,6 +446,22 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate)
 	wrmsrl(MSR_IA32_PERF_CTL, val);
 }
 
+#define BYT_BCLK_FREQS 5
+static int byt_freq_table[BYT_BCLK_FREQS] = { 833, 1000, 1333, 1167, 800};
+
+static int byt_get_scaling(void)
+{
+	u64 value;
+	int i;
+
+	rdmsrl(MSR_FSB_FREQ, value);
+	i = value & 0x3;
+
+	BUG_ON(i > BYT_BCLK_FREQS);
+
+	return byt_freq_table[i] * 100;
+}
+
 static void byt_get_vid(struct cpudata *cpudata)
 {
 	u64 value;
@@ -449,6 +507,11 @@ static int core_get_turbo_pstate(void)
 	return ret;
 }
 
+static inline int core_get_scaling(void)
+{
+	return 100000;
+}
+
 static void core_set_pstate(struct cpudata *cpudata, int pstate)
 {
 	u64 val;
@@ -473,6 +536,7 @@ static struct cpu_defaults core_params = {
 		.get_max = core_get_max_pstate,
 		.get_min = core_get_min_pstate,
 		.get_turbo = core_get_turbo_pstate,
+		.get_scaling = core_get_scaling,
 		.set = core_set_pstate,
 	},
 };
@@ -491,6 +555,7 @@ static struct cpu_defaults byt_params = {
 		.get_min = byt_get_min_pstate,
 		.get_turbo = byt_get_turbo_pstate,
 		.set = byt_set_pstate,
+		.get_scaling = byt_get_scaling,
 		.get_vid = byt_get_vid,
 	},
 };
@@ -501,7 +566,7 @@ static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max)
 	int max_perf_adj;
 	int min_perf;
 
-	if (limits.no_turbo)
+	if (limits.no_turbo || limits.turbo_disabled)
 		max_perf = cpu->pstate.max_pstate;
 
 	max_perf_adj = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf));
@@ -516,6 +581,8 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
 {
 	int max_perf, min_perf;
 
+	update_turbo_state();
+
 	intel_pstate_get_min_max(cpu, &min_perf, &max_perf);
 
 	pstate = clamp_t(int, pstate, min_perf, max_perf);
@@ -523,7 +590,7 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
 	if (pstate == cpu->pstate.current_pstate)
 		return;
 
-	trace_cpu_frequency(pstate * 100000, cpu->cpu);
+	trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu);
 
 	cpu->pstate.current_pstate = pstate;
 
@@ -535,6 +602,7 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
 	cpu->pstate.min_pstate = pstate_funcs.get_min();
 	cpu->pstate.max_pstate = pstate_funcs.get_max();
 	cpu->pstate.turbo_pstate = pstate_funcs.get_turbo();
+	cpu->pstate.scaling = pstate_funcs.get_scaling();
 
 	if (pstate_funcs.get_vid)
 		pstate_funcs.get_vid(cpu);
@@ -550,7 +618,9 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu)
 	core_pct = div64_u64(core_pct, int_tofp(sample->mperf));
 
 	sample->freq = fp_toint(
-		mul_fp(int_tofp(cpu->pstate.max_pstate * 1000), core_pct));
+		mul_fp(int_tofp(
+			cpu->pstate.max_pstate * cpu->pstate.scaling / 100),
+			core_pct));
 
 	sample->core_pct_busy = (int32_t)core_pct;
 }
@@ -671,7 +741,9 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
 {
 	struct cpudata *cpu;
 
-	all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL);
+	if (!all_cpu_data[cpunum])
+		all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata),
+					       GFP_KERNEL);
 	if (!all_cpu_data[cpunum])
 		return -ENOMEM;
 
@@ -714,9 +786,10 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
 	if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
 		limits.min_perf_pct = 100;
 		limits.min_perf = int_tofp(1);
+		limits.max_policy_pct = 100;
 		limits.max_perf_pct = 100;
 		limits.max_perf = int_tofp(1);
-		limits.no_turbo = limits.turbo_disabled;
+		limits.no_turbo = 0;
 		return 0;
 	}
 	limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq;
@@ -751,15 +824,12 @@ static void intel_pstate_stop_cpu(struct cpufreq_policy *policy)
 
 	del_timer_sync(&all_cpu_data[cpu_num]->timer);
 	intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate);
-	kfree(all_cpu_data[cpu_num]);
-	all_cpu_data[cpu_num] = NULL;
 }
 
 static int intel_pstate_cpu_init(struct cpufreq_policy *policy)
 {
 	struct cpudata *cpu;
 	int rc;
-	u64 misc_en;
 
 	rc = intel_pstate_init_cpu(policy->cpu);
 	if (rc)
@@ -767,23 +837,18 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy)
 
 	cpu = all_cpu_data[policy->cpu];
 
-	rdmsrl(MSR_IA32_MISC_ENABLE, misc_en);
-	if (misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ||
-	    cpu->pstate.max_pstate == cpu->pstate.turbo_pstate) {
-		limits.turbo_disabled = 1;
-		limits.no_turbo = 1;
-	}
 	if (limits.min_perf_pct == 100 && limits.max_perf_pct == 100)
 		policy->policy = CPUFREQ_POLICY_PERFORMANCE;
 	else
 		policy->policy = CPUFREQ_POLICY_POWERSAVE;
 
-	policy->min = cpu->pstate.min_pstate * 100000;
-	policy->max = cpu->pstate.turbo_pstate * 100000;
+	policy->min = cpu->pstate.min_pstate * cpu->pstate.scaling;
+	policy->max = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
 
 	/* cpuinfo and default policy values */
-	policy->cpuinfo.min_freq = cpu->pstate.min_pstate * 100000;
-	policy->cpuinfo.max_freq = cpu->pstate.turbo_pstate * 100000;
+	policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling;
+	policy->cpuinfo.max_freq =
+		cpu->pstate.turbo_pstate * cpu->pstate.scaling;
 	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
 	cpumask_set_cpu(policy->cpu, policy->cpus);
 
@@ -841,6 +906,7 @@ static void copy_cpu_funcs(struct pstate_funcs *funcs)
 	pstate_funcs.get_max   = funcs->get_max;
 	pstate_funcs.get_min   = funcs->get_min;
 	pstate_funcs.get_turbo = funcs->get_turbo;
+	pstate_funcs.get_scaling = funcs->get_scaling;
 	pstate_funcs.set       = funcs->set;
 	pstate_funcs.get_vid   = funcs->get_vid;
 }
diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c
index df6575f..682288c 100644
--- a/drivers/edac/cpc925_edac.c
+++ b/drivers/edac/cpc925_edac.c
@@ -562,7 +562,7 @@ static void cpc925_mc_check(struct mem_ctl_info *mci)
 
 	if (apiexcp & UECC_EXCP_DETECTED) {
 		cpc925_mc_printk(mci, KERN_INFO, "DRAM UECC Fault\n");
-		edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
+		edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
 				     pfn, offset, 0,
 				     csrow, -1, -1,
 				     mci->ctl_name, "");
diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
index 3cda79b..ece3aef 100644
--- a/drivers/edac/e7xxx_edac.c
+++ b/drivers/edac/e7xxx_edac.c
@@ -226,7 +226,7 @@ static void process_ce(struct mem_ctl_info *mci, struct e7xxx_error_info *info)
 static void process_ce_no_info(struct mem_ctl_info *mci)
 {
 	edac_dbg(3, "\n");
-	edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0, -1, -1, -1,
+	edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0, -1, -1, -1,
 			     "e7xxx CE log register overflow", "");
 }
 
diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index 022a702..aa98b13 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -242,11 +242,11 @@ static void i3200_process_error_info(struct mem_ctl_info *mci,
 					     -1, -1,
 					     "i3000 UE", "");
 		} else if (log & I3200_ECCERRLOG_CE) {
-			edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
+			edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
 					     0, 0, eccerrlog_syndrome(log),
 					     eccerrlog_row(channel, log),
 					     -1, -1,
-					     "i3000 UE", "");
+					     "i3000 CE", "");
 		}
 	}
 }
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index 3382f63..4382343 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -124,7 +124,7 @@ static int i82860_process_error_info(struct mem_ctl_info *mci,
 				     dimm->location[0], dimm->location[1], -1,
 				     "i82860 UE", "");
 	else
-		edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
+		edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
 				     info->eap, 0, info->derrsyn,
 				     dimm->location[0], dimm->location[1], -1,
 				     "i82860 CE", "");
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 5389350..70bedf9 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1080,8 +1080,8 @@ static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height)
 			srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
 			data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
 			data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
-			data32.b[2] = srcdata32[0].b[1] | (srcdata32[1].b[0] >> 4);
-			data32.b[3] = srcdata32[0].b[3] | (srcdata32[1].b[2] >> 4);
+			data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
+			data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
 
 			writel(data32.ul, dstxor);
 			csum += data32.ul;
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c
index 919c73b..4977631 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.c
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.c
@@ -32,6 +32,8 @@ static struct drm_driver driver;
 static const struct pci_device_id pciidlist[] = {
 	{ PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, 0x1af4, 0x1100, 0,
 	  0, 0 },
+	{ PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, PCI_VENDOR_ID_XEN,
+	  0x0001, 0, 0, 0 },
 	{0,}
 };
 
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index d384139..d182058 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -293,15 +293,23 @@ i915_gem_userptr_release__mmu_notifier(struct drm_i915_gem_object *obj)
 static struct i915_mmu_notifier *
 i915_mmu_notifier_find(struct i915_mm_struct *mm)
 {
-	if (mm->mn == NULL) {
-		down_write(&mm->mm->mmap_sem);
-		mutex_lock(&to_i915(mm->dev)->mm_lock);
-		if (mm->mn == NULL)
-			mm->mn = i915_mmu_notifier_create(mm->mm);
-		mutex_unlock(&to_i915(mm->dev)->mm_lock);
-		up_write(&mm->mm->mmap_sem);
+	struct i915_mmu_notifier *mn = mm->mn;
+
+	mn = mm->mn;
+	if (mn)
+		return mn;
+
+	down_write(&mm->mm->mmap_sem);
+	mutex_lock(&to_i915(mm->dev)->mm_lock);
+	if ((mn = mm->mn) == NULL) {
+		mn = i915_mmu_notifier_create(mm->mm);
+		if (!IS_ERR(mn))
+			mm->mn = mn;
 	}
-	return mm->mn;
+	mutex_unlock(&to_i915(mm->dev)->mm_lock);
+	up_write(&mm->mm->mmap_sem);
+
+	return mn;
 }
 
 static int
@@ -681,16 +689,15 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
 static void
 i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj)
 {
-	struct scatterlist *sg;
-	int i;
+	struct sg_page_iter sg_iter;
 
 	BUG_ON(obj->userptr.work != NULL);
 
 	if (obj->madv != I915_MADV_WILLNEED)
 		obj->dirty = 0;
 
-	for_each_sg(obj->pages->sgl, sg, obj->pages->nents, i) {
-		struct page *page = sg_page(sg);
+	for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
+		struct page *page = sg_page_iter_page(&sg_iter);
 
 		if (obj->dirty)
 			set_page_dirty(page);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 0050ee9..5d387a8 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3482,12 +3482,13 @@ static void gen8_irq_reset(struct drm_device *dev)
 void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv)
 {
 	unsigned long irqflags;
+	uint32_t extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN;
 
 	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
 	GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_B, dev_priv->de_irq_mask[PIPE_B],
-			  ~dev_priv->de_irq_mask[PIPE_B]);
+			  ~dev_priv->de_irq_mask[PIPE_B] | extra_ier);
 	GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_C, dev_priv->de_irq_mask[PIPE_C],
-			  ~dev_priv->de_irq_mask[PIPE_C]);
+			  ~dev_priv->de_irq_mask[PIPE_C] | extra_ier);
 	spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d8324c6..b71a026 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4470,7 +4470,7 @@ static void vlv_update_cdclk(struct drm_device *dev)
 	 * BSpec erroneously claims we should aim for 4MHz, but
 	 * in fact 1MHz is the correct frequency.
 	 */
-	I915_WRITE(GMBUSFREQ_VLV, dev_priv->vlv_cdclk_freq);
+	I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->vlv_cdclk_freq, 1000));
 }
 
 /* Adjust CDclk dividers to allow high res or save power if possible */
@@ -12507,6 +12507,9 @@ static struct intel_quirk intel_quirks[] = {
 	/* Acer C720 Chromebook (Core i3 4005U) */
 	{ 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
 
+	/* Apple Macbook 2,1 (Core 2 T7400) */
+	{ 0x27a2, 0x8086, 0x7270, quirk_backlight_present },
+
 	/* Toshiba CB35 Chromebook (Celeron 2955U) */
 	{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
 
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index fdff1d4..9222e20 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2364,6 +2364,13 @@ intel_dp_dpcd_read_wake(struct drm_dp_aux *aux, unsigned int offset,
 	ssize_t ret;
 	int i;
 
+	/*
+	 * Sometime we just get the same incorrect byte repeated
+	 * over the entire buffer. Doing just one throw away read
+	 * initially seems to "solve" it.
+	 */
+	drm_dp_dpcd_read(aux, DP_DPCD_REV, buffer, 1);
+
 	for (i = 0; i < 3; i++) {
 		ret = drm_dp_dpcd_read(aux, offset, buffer, size);
 		if (ret == size)
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 8e37444..cbe8a8d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -398,6 +398,9 @@ intel_panel_detect(struct drm_device *dev)
 	}
 }
 
+#define DIV_ROUND_CLOSEST_ULL(ll, d)	\
+({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; })
+
 /**
  * scale - scale values from one range to another
  *
@@ -419,9 +422,8 @@ static uint32_t scale(uint32_t source_val,
 	source_val = clamp(source_val, source_min, source_max);
 
 	/* avoid overflows */
-	target_val = (uint64_t)(source_val - source_min) *
-		(target_max - target_min);
-	do_div(target_val, source_max - source_min);
+	target_val = DIV_ROUND_CLOSEST_ULL((uint64_t)(source_val - source_min) *
+			(target_max - target_min), source_max - source_min);
 	target_val += target_min;
 
 	return target_val;
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index f5d7f7c..0197d6c 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -129,7 +129,7 @@ nouveau-y += core/subdev/fb/gddr5.o
 nouveau-y += core/subdev/gpio/base.o
 nouveau-y += core/subdev/gpio/nv10.o
 nouveau-y += core/subdev/gpio/nv50.o
-nouveau-y += core/subdev/gpio/nv92.o
+nouveau-y += core/subdev/gpio/nv94.o
 nouveau-y += core/subdev/gpio/nvd0.o
 nouveau-y += core/subdev/gpio/nve0.o
 nouveau-y += core/subdev/i2c/base.o
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nv50.c b/drivers/gpu/drm/nouveau/core/engine/device/nv50.c
index 932f84f..cbab586e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/nv50.c
@@ -141,7 +141,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0x92:
 		device->cname = "G92";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv50_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nv84_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -169,7 +169,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0x94:
 		device->cname = "G94";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nv84_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -197,7 +197,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0x96:
 		device->cname = "G96";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nv84_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -225,7 +225,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0x98:
 		device->cname = "G98";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nv84_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -253,7 +253,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xa0:
 		device->cname = "G200";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nv84_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -281,7 +281,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xaa:
 		device->cname = "MCP77/MCP78";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nvaa_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -309,7 +309,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xac:
 		device->cname = "MCP79/MCP7A";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] =  nvaa_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv84_therm_oclass;
@@ -337,7 +337,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xa3:
 		device->cname = "GT215";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nva3_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -367,7 +367,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xa5:
 		device->cname = "GT216";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nva3_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -396,7 +396,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xa8:
 		device->cname = "GT218";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nva3_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -425,7 +425,7 @@ nv50_identify(struct nouveau_device *device)
 	case 0xaf:
 		device->cname = "MCP89";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nva3_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
index b4a2917..da153a2 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
@@ -60,7 +60,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xc0:
 		device->cname = "GF100";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -92,7 +92,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xc4:
 		device->cname = "GF104";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -124,7 +124,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xc3:
 		device->cname = "GF106";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -155,7 +155,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xce:
 		device->cname = "GF114";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -187,7 +187,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xcf:
 		device->cname = "GF116";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -219,7 +219,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xc1:
 		device->cname = "GF108";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
@@ -250,7 +250,7 @@ nvc0_identify(struct nouveau_device *device)
 	case 0xc8:
 		device->cname = "GF110";
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
-		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv92_gpio_oclass;
+		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nva3_therm_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h b/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h
index b73733d..f855140 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h
@@ -40,7 +40,7 @@ nouveau_gpio(void *obj)
 
 extern struct nouveau_oclass *nv10_gpio_oclass;
 extern struct nouveau_oclass *nv50_gpio_oclass;
-extern struct nouveau_oclass *nv92_gpio_oclass;
+extern struct nouveau_oclass *nv94_gpio_oclass;
 extern struct nouveau_oclass *nvd0_gpio_oclass;
 extern struct nouveau_oclass *nve0_gpio_oclass;
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
index 88606bf..bd8d348 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
@@ -124,6 +124,7 @@ dcb_outp_parse(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len,
 	       struct dcb_output *outp)
 {
 	u16 dcb = dcb_outp(bios, idx, ver, len);
+	memset(outp, 0x00, sizeof(*outp));
 	if (dcb) {
 		if (*ver >= 0x20) {
 			u32 conn = nv_ro32(bios, dcb + 0x00);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv92.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv92.c
deleted file mode 100644
index 252083d..0000000
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv92.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright 2012 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs
- */
-
-#include "priv.h"
-
-void
-nv92_gpio_intr_stat(struct nouveau_gpio *gpio, u32 *hi, u32 *lo)
-{
-	u32 intr0 = nv_rd32(gpio, 0x00e054);
-	u32 intr1 = nv_rd32(gpio, 0x00e074);
-	u32 stat0 = nv_rd32(gpio, 0x00e050) & intr0;
-	u32 stat1 = nv_rd32(gpio, 0x00e070) & intr1;
-	*lo = (stat1 & 0xffff0000) | (stat0 >> 16);
-	*hi = (stat1 << 16) | (stat0 & 0x0000ffff);
-	nv_wr32(gpio, 0x00e054, intr0);
-	nv_wr32(gpio, 0x00e074, intr1);
-}
-
-void
-nv92_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
-{
-	u32 inte0 = nv_rd32(gpio, 0x00e050);
-	u32 inte1 = nv_rd32(gpio, 0x00e070);
-	if (type & NVKM_GPIO_LO)
-		inte0 = (inte0 & ~(mask << 16)) | (data << 16);
-	if (type & NVKM_GPIO_HI)
-		inte0 = (inte0 & ~(mask & 0xffff)) | (data & 0xffff);
-	mask >>= 16;
-	data >>= 16;
-	if (type & NVKM_GPIO_LO)
-		inte1 = (inte1 & ~(mask << 16)) | (data << 16);
-	if (type & NVKM_GPIO_HI)
-		inte1 = (inte1 & ~mask) | data;
-	nv_wr32(gpio, 0x00e050, inte0);
-	nv_wr32(gpio, 0x00e070, inte1);
-}
-
-struct nouveau_oclass *
-nv92_gpio_oclass = &(struct nouveau_gpio_impl) {
-	.base.handle = NV_SUBDEV(GPIO, 0x92),
-	.base.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = _nouveau_gpio_ctor,
-		.dtor = _nouveau_gpio_dtor,
-		.init = _nouveau_gpio_init,
-		.fini = _nouveau_gpio_fini,
-	},
-	.lines = 32,
-	.intr_stat = nv92_gpio_intr_stat,
-	.intr_mask = nv92_gpio_intr_mask,
-	.drive = nv50_gpio_drive,
-	.sense = nv50_gpio_sense,
-	.reset = nv50_gpio_reset,
-}.base;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv94.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv94.c
new file mode 100644
index 0000000..cae404c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv94.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include "priv.h"
+
+void
+nv94_gpio_intr_stat(struct nouveau_gpio *gpio, u32 *hi, u32 *lo)
+{
+	u32 intr0 = nv_rd32(gpio, 0x00e054);
+	u32 intr1 = nv_rd32(gpio, 0x00e074);
+	u32 stat0 = nv_rd32(gpio, 0x00e050) & intr0;
+	u32 stat1 = nv_rd32(gpio, 0x00e070) & intr1;
+	*lo = (stat1 & 0xffff0000) | (stat0 >> 16);
+	*hi = (stat1 << 16) | (stat0 & 0x0000ffff);
+	nv_wr32(gpio, 0x00e054, intr0);
+	nv_wr32(gpio, 0x00e074, intr1);
+}
+
+void
+nv94_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
+{
+	u32 inte0 = nv_rd32(gpio, 0x00e050);
+	u32 inte1 = nv_rd32(gpio, 0x00e070);
+	if (type & NVKM_GPIO_LO)
+		inte0 = (inte0 & ~(mask << 16)) | (data << 16);
+	if (type & NVKM_GPIO_HI)
+		inte0 = (inte0 & ~(mask & 0xffff)) | (data & 0xffff);
+	mask >>= 16;
+	data >>= 16;
+	if (type & NVKM_GPIO_LO)
+		inte1 = (inte1 & ~(mask << 16)) | (data << 16);
+	if (type & NVKM_GPIO_HI)
+		inte1 = (inte1 & ~mask) | data;
+	nv_wr32(gpio, 0x00e050, inte0);
+	nv_wr32(gpio, 0x00e070, inte1);
+}
+
+struct nouveau_oclass *
+nv94_gpio_oclass = &(struct nouveau_gpio_impl) {
+	.base.handle = NV_SUBDEV(GPIO, 0x94),
+	.base.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = _nouveau_gpio_ctor,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
+	},
+	.lines = 32,
+	.intr_stat = nv94_gpio_intr_stat,
+	.intr_mask = nv94_gpio_intr_mask,
+	.drive = nv50_gpio_drive,
+	.sense = nv50_gpio_sense,
+	.reset = nv50_gpio_reset,
+}.base;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c
index a4682b0..480d6d2 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c
@@ -77,8 +77,8 @@ nvd0_gpio_oclass = &(struct nouveau_gpio_impl) {
 		.fini = _nouveau_gpio_fini,
 	},
 	.lines = 32,
-	.intr_stat = nv92_gpio_intr_stat,
-	.intr_mask = nv92_gpio_intr_mask,
+	.intr_stat = nv94_gpio_intr_stat,
+	.intr_mask = nv94_gpio_intr_mask,
 	.drive = nvd0_gpio_drive,
 	.sense = nvd0_gpio_sense,
 	.reset = nvd0_gpio_reset,
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/priv.h b/drivers/gpu/drm/nouveau/core/subdev/gpio/priv.h
index e1724df..bff98b8 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/priv.h
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/priv.h
@@ -56,8 +56,8 @@ void nv50_gpio_reset(struct nouveau_gpio *, u8);
 int  nv50_gpio_drive(struct nouveau_gpio *, int, int, int);
 int  nv50_gpio_sense(struct nouveau_gpio *, int);
 
-void nv92_gpio_intr_stat(struct nouveau_gpio *, u32 *, u32 *);
-void nv92_gpio_intr_mask(struct nouveau_gpio *, u32, u32, u32);
+void nv94_gpio_intr_stat(struct nouveau_gpio *, u32 *, u32 *);
+void nv94_gpio_intr_mask(struct nouveau_gpio *, u32, u32, u32);
 
 void nvd0_gpio_reset(struct nouveau_gpio *, u8);
 int  nvd0_gpio_drive(struct nouveau_gpio *, int, int, int);
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 3440fc9..497ea01 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -400,15 +400,20 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
 		    struct nouveau_channel **pchan)
 {
 	struct nouveau_cli *cli = (void *)nvif_client(&device->base);
+	bool super;
 	int ret;
 
+	/* hack until fencenv50 is fixed, and agp access relaxed */
+	super = cli->base.super;
+	cli->base.super = true;
+
 	ret = nouveau_channel_ind(drm, device, handle, arg0, pchan);
 	if (ret) {
 		NV_PRINTK(debug, cli, "ib channel create, %d\n", ret);
 		ret = nouveau_channel_dma(drm, device, handle, pchan);
 		if (ret) {
 			NV_PRINTK(debug, cli, "dma channel create, %d\n", ret);
-			return ret;
+			goto done;
 		}
 	}
 
@@ -416,8 +421,9 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
 	if (ret) {
 		NV_PRINTK(error, cli, "channel failed to initialise, %d\n", ret);
 		nouveau_channel_del(pchan);
-		return ret;
 	}
 
-	return 0;
+done:
+	cli->base.super = super;
+	return ret;
 }
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 03949ea..bca5d8c 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1653,15 +1653,17 @@ nv50_audio_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
 	struct nouveau_connector *nv_connector;
 	struct nv50_disp *disp = nv50_disp(encoder->dev);
-	struct {
-		struct nv50_disp_mthd_v1 base;
-		struct nv50_disp_sor_hda_eld_v0 eld;
+	struct __packed {
+		struct {
+			struct nv50_disp_mthd_v1 mthd;
+			struct nv50_disp_sor_hda_eld_v0 eld;
+		} base;
 		u8 data[sizeof(nv_connector->base.eld)];
 	} args = {
-		.base.version = 1,
-		.base.method  = NV50_DISP_MTHD_V1_SOR_HDA_ELD,
-		.base.hasht   = nv_encoder->dcb->hasht,
-		.base.hashm   = nv_encoder->dcb->hashm,
+		.base.mthd.version = 1,
+		.base.mthd.method  = NV50_DISP_MTHD_V1_SOR_HDA_ELD,
+		.base.mthd.hasht   = nv_encoder->dcb->hasht,
+		.base.mthd.hashm   = nv_encoder->dcb->hashm,
 	};
 
 	nv_connector = nouveau_encoder_connector_get(nv_encoder);
@@ -1671,7 +1673,7 @@ nv50_audio_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
 	drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
 	memcpy(args.data, nv_connector->base.eld, sizeof(args.data));
 
-	nvif_mthd(disp->disp, 0, &args, sizeof(args));
+	nvif_mthd(disp->disp, 0, &args, sizeof(args.base) + args.data[2] * 4);
 }
 
 static void
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index b8ced08..bac1fd4 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -523,7 +523,6 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
 	struct qxl_framebuffer *qfb;
 	struct qxl_bo *bo, *old_bo = NULL;
 	struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
-	uint32_t width, height, base_offset;
 	bool recreate_primary = false;
 	int ret;
 	int surf_id;
@@ -553,9 +552,10 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
 	if (qcrtc->index == 0)
 		recreate_primary = true;
 
-	width = mode->hdisplay;
-	height = mode->vdisplay;
-	base_offset = 0;
+	if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
+		DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
+		return -EINVAL;
+        }
 
 	ret = qxl_bo_reserve(bo, false);
 	if (ret != 0)
@@ -569,10 +569,10 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
 	if (recreate_primary) {
 		qxl_io_destroy_primary(qdev);
 		qxl_io_log(qdev,
-			   "recreate primary: %dx%d (was %dx%d,%d,%d)\n",
-			   width, height, bo->surf.width,
-			   bo->surf.height, bo->surf.stride, bo->surf.format);
-		qxl_io_create_primary(qdev, base_offset, bo);
+			   "recreate primary: %dx%d,%d,%d\n",
+			   bo->surf.width, bo->surf.height,
+			   bo->surf.stride, bo->surf.format);
+		qxl_io_create_primary(qdev, 0, bo);
 		bo->is_primary = true;
 	}
 
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index c4ffa54..e8eea36 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -610,16 +610,19 @@ int cik_sdma_ring_test(struct radeon_device *rdev,
 {
 	unsigned i;
 	int r;
-	void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
+	unsigned index;
 	u32 tmp;
+	u64 gpu_addr;
 
-	if (!ptr) {
-		DRM_ERROR("invalid vram scratch pointer\n");
-		return -EINVAL;
-	}
+	if (ring->idx == R600_RING_TYPE_DMA_INDEX)
+		index = R600_WB_DMA_RING_TEST_OFFSET;
+	else
+		index = CAYMAN_WB_DMA1_RING_TEST_OFFSET;
+
+	gpu_addr = rdev->wb.gpu_addr + index;
 
 	tmp = 0xCAFEDEAD;
-	writel(tmp, ptr);
+	rdev->wb.wb[index/4] = cpu_to_le32(tmp);
 
 	r = radeon_ring_lock(rdev, ring, 5);
 	if (r) {
@@ -627,14 +630,14 @@ int cik_sdma_ring_test(struct radeon_device *rdev,
 		return r;
 	}
 	radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0));
-	radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
-	radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr));
+	radeon_ring_write(ring, lower_32_bits(gpu_addr));
+	radeon_ring_write(ring, upper_32_bits(gpu_addr));
 	radeon_ring_write(ring, 1); /* number of DWs to follow */
 	radeon_ring_write(ring, 0xDEADBEEF);
 	radeon_ring_unlock_commit(rdev, ring, false);
 
 	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = readl(ptr);
+		tmp = le32_to_cpu(rdev->wb.wb[index/4]);
 		if (tmp == 0xDEADBEEF)
 			break;
 		DRM_UDELAY(1);
diff --git a/drivers/gpu/drm/radeon/dce3_1_afmt.c b/drivers/gpu/drm/radeon/dce3_1_afmt.c
index 51800e3..71f4d26 100644
--- a/drivers/gpu/drm/radeon/dce3_1_afmt.c
+++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c
@@ -49,8 +49,8 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder)
 
 	sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb);
 	if (sad_count < 0) {
-		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
-		return;
+		DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+		sad_count = 0;
 	}
 
 	/* program the speaker allocation */
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index ab29f95..790d8ca 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -176,9 +176,9 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder)
 	}
 
 	sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb);
-	if (sad_count <= 0) {
-		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
-		return;
+	if (sad_count < 0) {
+		DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+		sad_count = 0;
 	}
 
 	/* program the speaker allocation */
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 278c7a1..71ebdf8 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -118,9 +118,9 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
 	}
 
 	sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb);
-	if (sad_count <= 0) {
-		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
-		return;
+	if (sad_count < 0) {
+		DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+		sad_count = 0;
 	}
 
 	/* program the speaker allocation */
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 67cb472..e79b7eb 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -2725,7 +2725,11 @@ int kv_dpm_init(struct radeon_device *rdev)
 
         pi->sram_end = SMC_RAM_END;
 
-	pi->enable_nb_dpm = true;
+	/* Enabling nb dpm on an asrock system prevents dpm from working */
+	if (rdev->pdev->subsystem_vendor == 0x1849)
+		pi->enable_nb_dpm = false;
+	else
+		pi->enable_nb_dpm = true;
 
 	pi->caps_power_containment = true;
 	pi->caps_cac = true;
@@ -2740,10 +2744,19 @@ int kv_dpm_init(struct radeon_device *rdev)
 	pi->caps_sclk_ds = true;
 	pi->enable_auto_thermal_throttling = true;
 	pi->disable_nb_ps3_in_battery = false;
-	if (radeon_bapm == 0)
+	if (radeon_bapm == -1) {
+		/* There are stability issues reported on with
+		 * bapm enabled on an asrock system.
+		 */
+		if (rdev->pdev->subsystem_vendor == 0x1849)
+			pi->bapm_enable = false;
+		else
+			pi->bapm_enable = true;
+	} else if (radeon_bapm == 0) {
 		pi->bapm_enable = false;
-	else
+	} else {
 		pi->bapm_enable = true;
+	}
 	pi->voltage_drop_t = 0;
 	pi->caps_sclk_throttle_low_notification = false;
 	pi->caps_fps = false; /* true? */
diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c
index a908daa..44379bf 100644
--- a/drivers/gpu/drm/radeon/r600_dma.c
+++ b/drivers/gpu/drm/radeon/r600_dma.c
@@ -232,16 +232,19 @@ int r600_dma_ring_test(struct radeon_device *rdev,
 {
 	unsigned i;
 	int r;
-	void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
+	unsigned index;
 	u32 tmp;
+	u64 gpu_addr;
 
-	if (!ptr) {
-		DRM_ERROR("invalid vram scratch pointer\n");
-		return -EINVAL;
-	}
+	if (ring->idx == R600_RING_TYPE_DMA_INDEX)
+		index = R600_WB_DMA_RING_TEST_OFFSET;
+	else
+		index = CAYMAN_WB_DMA1_RING_TEST_OFFSET;
+
+	gpu_addr = rdev->wb.gpu_addr + index;
 
 	tmp = 0xCAFEDEAD;
-	writel(tmp, ptr);
+	rdev->wb.wb[index/4] = cpu_to_le32(tmp);
 
 	r = radeon_ring_lock(rdev, ring, 4);
 	if (r) {
@@ -249,13 +252,13 @@ int r600_dma_ring_test(struct radeon_device *rdev,
 		return r;
 	}
 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
-	radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
-	radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff);
+	radeon_ring_write(ring, lower_32_bits(gpu_addr));
+	radeon_ring_write(ring, upper_32_bits(gpu_addr) & 0xff);
 	radeon_ring_write(ring, 0xDEADBEEF);
 	radeon_ring_unlock_commit(rdev, ring, false);
 
 	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = readl(ptr);
+		tmp = le32_to_cpu(rdev->wb.wb[index/4]);
 		if (tmp == 0xDEADBEEF)
 			break;
 		DRM_UDELAY(1);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 3247bfd..e841058 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1120,6 +1120,8 @@ struct radeon_wb {
 #define R600_WB_EVENT_OFFSET     3072
 #define CIK_WB_CP1_WPTR_OFFSET     3328
 #define CIK_WB_CP2_WPTR_OFFSET     3584
+#define R600_WB_DMA_RING_TEST_OFFSET 3588
+#define CAYMAN_WB_DMA1_RING_TEST_OFFSET 3592
 
 /**
  * struct radeon_pm - power management datas
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 83f382e..e244c2d 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -418,7 +418,7 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bo
 	kfree(parser->track);
 	kfree(parser->relocs);
 	kfree(parser->relocs_ptr);
-	kfree(parser->vm_bos);
+	drm_free_large(parser->vm_bos);
 	for (i = 0; i < parser->nchunks; i++)
 		drm_free_large(parser->chunks[i].kdata);
 	kfree(parser->chunks);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 12c8329..6684fbf 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1130,7 +1130,7 @@ static void radeon_check_arguments(struct radeon_device *rdev)
 	if (radeon_vm_block_size == -1) {
 
 		/* Total bits covered by PD + PTs */
-		unsigned bits = ilog2(radeon_vm_size) + 17;
+		unsigned bits = ilog2(radeon_vm_size) + 18;
 
 		/* Make sure the PD is 4K in size up to 8GB address space.
 		   Above that split equal between PD and PTs */
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index d656079..9323435 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -335,7 +335,7 @@ unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring
 	}
 
 	/* and then save the content of the ring */
-	*data = kmalloc_array(size, sizeof(uint32_t), GFP_KERNEL);
+	*data = drm_malloc_ab(size, sizeof(uint32_t));
 	if (!*data) {
 		mutex_unlock(&rdev->ring_lock);
 		return 0;
@@ -377,7 +377,7 @@ int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
 	}
 
 	radeon_ring_unlock_commit(rdev, ring, false);
-	kfree(data);
+	drm_free_large(data);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 088ffdc..a3b3e09 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -132,8 +132,8 @@ struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
 	struct radeon_cs_reloc *list;
 	unsigned i, idx;
 
-	list = kmalloc_array(vm->max_pde_used + 2,
-			     sizeof(struct radeon_cs_reloc), GFP_KERNEL);
+	list = drm_malloc_ab(vm->max_pde_used + 2,
+			     sizeof(struct radeon_cs_reloc));
 	if (!list)
 		return NULL;
 
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 70e61ff..1202e0f 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -6255,7 +6255,7 @@ static void si_parse_pplib_clock_info(struct radeon_device *rdev,
 	if ((rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) &&
 	    index == 0) {
 		/* XXX disable for A0 tahiti */
-		si_pi->ulv.supported = true;
+		si_pi->ulv.supported = false;
 		si_pi->ulv.pl = *pl;
 		si_pi->ulv.one_pcie_lane_in_ulv = false;
 		si_pi->ulv.volt_change_delay = SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT;
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 6be623b..000428e 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -84,6 +84,7 @@ static int modeset_init(struct drm_device *dev)
 	if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) {
 		/* oh nos! */
 		dev_err(dev->dev, "no encoders/connectors found\n");
+		drm_mode_config_cleanup(dev);
 		return -ENXIO;
 	}
 
@@ -172,33 +173,37 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	dev->dev_private = priv;
 
 	priv->wq = alloc_ordered_workqueue("tilcdc", 0);
+	if (!priv->wq) {
+		ret = -ENOMEM;
+		goto fail_free_priv;
+	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(dev->dev, "failed to get memory resource\n");
 		ret = -EINVAL;
-		goto fail;
+		goto fail_free_wq;
 	}
 
 	priv->mmio = ioremap_nocache(res->start, resource_size(res));
 	if (!priv->mmio) {
 		dev_err(dev->dev, "failed to ioremap\n");
 		ret = -ENOMEM;
-		goto fail;
+		goto fail_free_wq;
 	}
 
 	priv->clk = clk_get(dev->dev, "fck");
 	if (IS_ERR(priv->clk)) {
 		dev_err(dev->dev, "failed to get functional clock\n");
 		ret = -ENODEV;
-		goto fail;
+		goto fail_iounmap;
 	}
 
 	priv->disp_clk = clk_get(dev->dev, "dpll_disp_ck");
 	if (IS_ERR(priv->clk)) {
 		dev_err(dev->dev, "failed to get display clock\n");
 		ret = -ENODEV;
-		goto fail;
+		goto fail_put_clk;
 	}
 
 #ifdef CONFIG_CPU_FREQ
@@ -208,7 +213,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 			CPUFREQ_TRANSITION_NOTIFIER);
 	if (ret) {
 		dev_err(dev->dev, "failed to register cpufreq notifier\n");
-		goto fail;
+		goto fail_put_disp_clk;
 	}
 #endif
 
@@ -253,13 +258,13 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	ret = modeset_init(dev);
 	if (ret < 0) {
 		dev_err(dev->dev, "failed to initialize mode setting\n");
-		goto fail;
+		goto fail_cpufreq_unregister;
 	}
 
 	ret = drm_vblank_init(dev, 1);
 	if (ret < 0) {
 		dev_err(dev->dev, "failed to initialize vblank\n");
-		goto fail;
+		goto fail_mode_config_cleanup;
 	}
 
 	pm_runtime_get_sync(dev->dev);
@@ -267,7 +272,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	pm_runtime_put_sync(dev->dev);
 	if (ret < 0) {
 		dev_err(dev->dev, "failed to install IRQ handler\n");
-		goto fail;
+		goto fail_vblank_cleanup;
 	}
 
 	platform_set_drvdata(pdev, dev);
@@ -283,13 +288,48 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	priv->fbdev = drm_fbdev_cma_init(dev, bpp,
 			dev->mode_config.num_crtc,
 			dev->mode_config.num_connector);
+	if (IS_ERR(priv->fbdev)) {
+		ret = PTR_ERR(priv->fbdev);
+		goto fail_irq_uninstall;
+	}
 
 	drm_kms_helper_poll_init(dev);
 
 	return 0;
 
-fail:
-	tilcdc_unload(dev);
+fail_irq_uninstall:
+	pm_runtime_get_sync(dev->dev);
+	drm_irq_uninstall(dev);
+	pm_runtime_put_sync(dev->dev);
+
+fail_vblank_cleanup:
+	drm_vblank_cleanup(dev);
+
+fail_mode_config_cleanup:
+	drm_mode_config_cleanup(dev);
+
+fail_cpufreq_unregister:
+	pm_runtime_disable(dev->dev);
+#ifdef CONFIG_CPU_FREQ
+	cpufreq_unregister_notifier(&priv->freq_transition,
+			CPUFREQ_TRANSITION_NOTIFIER);
+fail_put_disp_clk:
+	clk_put(priv->disp_clk);
+#endif
+
+fail_put_clk:
+	clk_put(priv->clk);
+
+fail_iounmap:
+	iounmap(priv->mmio);
+
+fail_free_wq:
+	flush_workqueue(priv->wq);
+	destroy_workqueue(priv->wq);
+
+fail_free_priv:
+	dev->dev_private = NULL;
+	kfree(priv);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 18b54ac..14b2f50 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -688,7 +688,11 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 		goto out_err0;
 	}
 
-	if (unlikely(dev_priv->prim_bb_mem < dev_priv->vram_size))
+	/*
+	 * Limit back buffer size to VRAM size.  Remove this once
+	 * screen targets are implemented.
+	 */
+	if (dev_priv->prim_bb_mem > dev_priv->vram_size)
 		dev_priv->prim_bb_mem = dev_priv->vram_size;
 
 	mutex_unlock(&dev_priv->hw_mutex);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index d2bc2b0..10fc4c3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1950,6 +1950,14 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
 		DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
 	};
 	int i;
+	u32 assumed_bpp = 2;
+
+	/*
+	 * If using screen objects, then assume 32-bpp because that's what the
+	 * SVGA device is assuming
+	 */
+	if (dev_priv->sou_priv)
+		assumed_bpp = 4;
 
 	/* Add preferred mode */
 	{
@@ -1960,8 +1968,9 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
 		mode->vdisplay = du->pref_height;
 		vmw_guess_mode_timing(mode);
 
-		if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
-					       mode->vdisplay)) {
+		if (vmw_kms_validate_mode_vram(dev_priv,
+						mode->hdisplay * assumed_bpp,
+						mode->vdisplay)) {
 			drm_mode_probed_add(connector, mode);
 		} else {
 			drm_mode_destroy(dev, mode);
@@ -1983,7 +1992,8 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
 		    bmode->vdisplay > max_height)
 			continue;
 
-		if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
+		if (!vmw_kms_validate_mode_vram(dev_priv,
+						bmode->hdisplay * assumed_bpp,
 						bmode->vdisplay))
 			continue;
 
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 84c3cb1..8bf61d2 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -946,6 +946,12 @@ static const char *keys[KEY_MAX + 1] = {
 	[KEY_BRIGHTNESS_MIN] = "BrightnessMin",
 	[KEY_BRIGHTNESS_MAX] = "BrightnessMax",
 	[KEY_BRIGHTNESS_AUTO] = "BrightnessAuto",
+	[KEY_KBDINPUTASSIST_PREV] = "KbdInputAssistPrev",
+	[KEY_KBDINPUTASSIST_NEXT] = "KbdInputAssistNext",
+	[KEY_KBDINPUTASSIST_PREVGROUP] = "KbdInputAssistPrevGroup",
+	[KEY_KBDINPUTASSIST_NEXTGROUP] = "KbdInputAssistNextGroup",
+	[KEY_KBDINPUTASSIST_ACCEPT] = "KbdInputAssistAccept",
+	[KEY_KBDINPUTASSIST_CANCEL] = "KbdInputAssistCancel",
 };
 
 static const char *relatives[REL_MAX + 1] = {
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 25cd674..c3a712c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -296,6 +296,11 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7	0x73f7
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
 
+#define USB_VENDOR_ID_ELAN		0x04f3
+#define USB_DEVICE_ID_ELAN_TOUCHSCREEN	0x0089
+#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B	0x009b
+#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F	0x016f
+
 #define USB_VENDOR_ID_ELECOM		0x056e
 #define USB_DEVICE_ID_ELECOM_BM084	0x0061
 
@@ -733,6 +738,8 @@
 #define USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL	0xff
 
 #define USB_VENDOR_ID_PIXART				0x093a
+#define USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2	0x0137
+#define USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE		0x2510
 #define USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN	0x8001
 #define USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1	0x8002
 #define USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2	0x8003
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 2619f7f..62e8286 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -689,7 +689,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			break;
 
 		case 0x5b: /* TransducerSerialNumber */
-			set_bit(MSC_SERIAL, input->mscbit);
+			usage->type = EV_MSC;
+			usage->code = MSC_SERIAL;
+			bit = input->mscbit;
+			max = MSC_MAX;
 			break;
 
 		default:  goto unknown;
@@ -856,6 +859,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 		case 0x28b: map_key_clear(KEY_FORWARDMAIL);	break;
 		case 0x28c: map_key_clear(KEY_SEND);		break;
 
+		case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV);		break;
+		case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT);		break;
+		case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP);		break;
+		case 0x2ca: map_key_clear(KEY_KBDINPUTASSIST_NEXTGROUP);		break;
+		case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT);	break;
+		case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL);	break;
+
 		default:    goto ignore;
 		}
 		break;
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 79cf503..ddd547a 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -82,7 +82,7 @@ static int hid_start_in(struct hid_device *hid)
 	struct usbhid_device *usbhid = hid->driver_data;
 
 	spin_lock_irqsave(&usbhid->lock, flags);
-	if (hid->open > 0 &&
+	if ((hid->open > 0 || hid->quirks & HID_QUIRK_ALWAYS_POLL) &&
 			!test_bit(HID_DISCONNECTED, &usbhid->iofl) &&
 			!test_bit(HID_SUSPENDED, &usbhid->iofl) &&
 			!test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
@@ -292,6 +292,8 @@ static void hid_irq_in(struct urb *urb)
 	case 0:			/* success */
 		usbhid_mark_busy(usbhid);
 		usbhid->retry_delay = 0;
+		if ((hid->quirks & HID_QUIRK_ALWAYS_POLL) && !hid->open)
+			break;
 		hid_input_report(urb->context, HID_INPUT_REPORT,
 				 urb->transfer_buffer,
 				 urb->actual_length, 1);
@@ -735,8 +737,10 @@ void usbhid_close(struct hid_device *hid)
 	if (!--hid->open) {
 		spin_unlock_irq(&usbhid->lock);
 		hid_cancel_delayed_stuff(usbhid);
-		usb_kill_urb(usbhid->urbin);
-		usbhid->intf->needs_remote_wakeup = 0;
+		if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) {
+			usb_kill_urb(usbhid->urbin);
+			usbhid->intf->needs_remote_wakeup = 0;
+		}
 	} else {
 		spin_unlock_irq(&usbhid->lock);
 	}
@@ -1134,6 +1138,19 @@ static int usbhid_start(struct hid_device *hid)
 
 	set_bit(HID_STARTED, &usbhid->iofl);
 
+	if (hid->quirks & HID_QUIRK_ALWAYS_POLL) {
+		ret = usb_autopm_get_interface(usbhid->intf);
+		if (ret)
+			goto fail;
+		usbhid->intf->needs_remote_wakeup = 1;
+		ret = hid_start_in(hid);
+		if (ret) {
+			dev_err(&hid->dev,
+				"failed to start in urb: %d\n", ret);
+		}
+		usb_autopm_put_interface(usbhid->intf);
+	}
+
 	/* Some keyboards don't work until their LEDs have been set.
 	 * Since BIOSes do set the LEDs, it must be safe for any device
 	 * that supports the keyboard boot protocol.
@@ -1166,6 +1183,9 @@ static void usbhid_stop(struct hid_device *hid)
 	if (WARN_ON(!usbhid))
 		return;
 
+	if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
+		usbhid->intf->needs_remote_wakeup = 0;
+
 	clear_bit(HID_STARTED, &usbhid->iofl);
 	spin_lock_irq(&usbhid->lock);	/* Sync with error and led handlers */
 	set_bit(HID_DISCONNECTED, &usbhid->iofl);
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 15225f3..5014bb5 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -70,6 +70,9 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
@@ -79,6 +82,8 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1610, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1640, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index 917d545..e05a672 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -434,7 +434,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev)
 		}
 	}
 
-	ret = wait_for_completion_io_timeout(&dev->cmd_complete,
+	ret = wait_for_completion_timeout(&dev->cmd_complete,
 					     dev->adapter.timeout);
 	if (ret == 0) {
 		dev_err(dev->dev, "controller timed out\n");
diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c
index 1665c8e..e18bc67 100644
--- a/drivers/iio/common/st_sensors/st_sensors_buffer.c
+++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c
@@ -71,7 +71,7 @@ int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
 				goto st_sensors_free_memory;
 			}
 
-			for (i = 0; i < n * num_data_channels; i++) {
+			for (i = 0; i < n * byte_for_channel; i++) {
 				if (i < n)
 					buf[i] = rx_array[i];
 				else
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index 5e780ef..8349cc0 100644
--- a/drivers/iio/proximity/as3935.c
+++ b/drivers/iio/proximity/as3935.c
@@ -330,7 +330,7 @@ static int as3935_probe(struct spi_device *spi)
 		return -EINVAL;
 	}
 
-	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(st));
+	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
 	if (!indio_dev)
 		return -ENOMEM;
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index bda5994..8b72cf3 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1173,18 +1173,24 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
 		err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i],
 					    &mflow->reg_id[i]);
 		if (err)
-			goto err_free;
+			goto err_create_flow;
 		i++;
 	}
 
 	if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) {
 		err = mlx4_ib_tunnel_steer_add(qp, flow_attr, &mflow->reg_id[i]);
 		if (err)
-			goto err_free;
+			goto err_create_flow;
+		i++;
 	}
 
 	return &mflow->ibflow;
 
+err_create_flow:
+	while (i) {
+		(void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, mflow->reg_id[i]);
+		i--;
+	}
 err_free:
 	kfree(mflow);
 	return ERR_PTR(err);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index da8ff12..4d35bc7 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2185,7 +2185,7 @@ isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
 		isert_cmd->tx_desc.num_sge = 2;
 	}
 
-	isert_init_send_wr(isert_conn, isert_cmd, send_wr, true);
+	isert_init_send_wr(isert_conn, isert_cmd, send_wr, false);
 
 	pr_debug("Posting SCSI Response IB_WR_SEND >>>>>>>>>>>>>>>>>>>>>>\n");
 
@@ -2884,7 +2884,7 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
 				     &isert_cmd->tx_desc.iscsi_header);
 		isert_init_tx_hdrs(isert_conn, &isert_cmd->tx_desc);
 		isert_init_send_wr(isert_conn, isert_cmd,
-				   &isert_cmd->tx_desc.send_wr, true);
+				   &isert_cmd->tx_desc.send_wr, false);
 		isert_cmd->rdma_wr.s_send_wr.next = &isert_cmd->tx_desc.send_wr;
 		wr->send_wr_num += 1;
 	}
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 35a49bf..2b0ae8c 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -835,8 +835,8 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
 		f->fingers = alps_process_bitmap(priv, f);
 	}
 
-	f->left = packet[4] & 0x01;
-	f->right = packet[4] & 0x02;
+	f->left = !!(packet[4] & 0x01);
+	f->right = !!(packet[4] & 0x02);
 
 	f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
 		  ((packet[0] & 0x30) >> 4);
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index fd23181..b5b630c 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -618,6 +618,8 @@ static void synaptics_parse_agm(const unsigned char buf[],
 	priv->agm_pending = true;
 }
 
+static bool is_forcepad;
+
 static int synaptics_parse_hw_state(const unsigned char buf[],
 				    struct synaptics_data *priv,
 				    struct synaptics_hw_state *hw)
@@ -647,7 +649,7 @@ static int synaptics_parse_hw_state(const unsigned char buf[],
 		hw->left  = (buf[0] & 0x01) ? 1 : 0;
 		hw->right = (buf[0] & 0x02) ? 1 : 0;
 
-		if (SYN_CAP_FORCEPAD(priv->ext_cap_0c)) {
+		if (is_forcepad) {
 			/*
 			 * ForcePads, like Clickpads, use middle button
 			 * bits to report primary button clicks.
@@ -1678,11 +1680,29 @@ static const struct dmi_system_id __initconst cr48_dmi_table[] = {
 	{ }
 };
 
+static const struct dmi_system_id forcepad_dmi_table[] __initconst = {
+#if defined(CONFIG_DMI) && defined(CONFIG_X86)
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook Folio 1040 G1"),
+		},
+	},
+#endif
+	{ }
+};
+
 void __init synaptics_module_init(void)
 {
 	impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table);
 	broken_olpc_ec = dmi_check_system(olpc_dmi_table);
 	cr48_profile_sensor = dmi_check_system(cr48_dmi_table);
+
+	/*
+	 * Unfortunately ForcePad capability is not exported over PS/2,
+	 * so we have to resort to checking DMI.
+	 */
+	is_forcepad = dmi_check_system(forcepad_dmi_table);
 }
 
 static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index fb2e076..1bd01f2 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -77,12 +77,9 @@
  *					for noise.
  * 2	0x08	image sensor		image sensor tracks 5 fingers, but only
  *					reports 2.
+ * 2	0x01	uniform clickpad	whole clickpad moves instead of being
+ *					hinged at the top.
  * 2	0x20	report min		query 0x0f gives min coord reported
- * 2	0x80	forcepad		forcepad is a variant of clickpad that
- *					does not have physical buttons but rather
- *					uses pressure above certain threshold to
- *					report primary clicks. Forcepads also have
- *					clickpad bit set.
  */
 #define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100000) /* 1-button ClickPad */
 #define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */
@@ -91,7 +88,6 @@
 #define SYN_CAP_ADV_GESTURE(ex0c)	((ex0c) & 0x080000)
 #define SYN_CAP_REDUCED_FILTERING(ex0c)	((ex0c) & 0x000400)
 #define SYN_CAP_IMAGE_SENSOR(ex0c)	((ex0c) & 0x000800)
-#define SYN_CAP_FORCEPAD(ex0c)		((ex0c) & 0x008000)
 
 /* synaptics modes query bits */
 #define SYN_MODE_ABSOLUTE(m)		((m) & (1 << 7))
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 40b7d6c..faeeb13 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -101,6 +101,12 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
 	},
 	{
 		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
+		},
+	},
+	{
+		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 			DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
@@ -623,6 +629,22 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 		},
 	},
 	{
+		/* Fujitsu A544 laptop */
+		/* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
+		},
+	},
+	{
+		/* Fujitsu AH544 laptop */
+		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
+		},
+	},
+	{
 		/* Fujitsu U574 laptop */
 		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 		.matches = {
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index ecb0109..5aff937 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -260,17 +260,13 @@ static bool check_device(struct device *dev)
 	return true;
 }
 
-static int init_iommu_group(struct device *dev)
+static void init_iommu_group(struct device *dev)
 {
 	struct iommu_group *group;
 
 	group = iommu_group_get_for_dev(dev);
-
-	if (IS_ERR(group))
-		return PTR_ERR(group);
-
-	iommu_group_put(group);
-	return 0;
+	if (!IS_ERR(group))
+		iommu_group_put(group);
 }
 
 static int __last_alias(struct pci_dev *pdev, u16 alias, void *data)
@@ -340,7 +336,6 @@ static int iommu_init_device(struct device *dev)
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct iommu_dev_data *dev_data;
 	u16 alias;
-	int ret;
 
 	if (dev->archdata.iommu)
 		return 0;
@@ -364,12 +359,6 @@ static int iommu_init_device(struct device *dev)
 		dev_data->alias_data = alias_data;
 	}
 
-	ret = init_iommu_group(dev);
-	if (ret) {
-		free_dev_data(dev_data);
-		return ret;
-	}
-
 	if (pci_iommuv2_capable(pdev)) {
 		struct amd_iommu *iommu;
 
@@ -455,6 +444,15 @@ int __init amd_iommu_init_devices(void)
 			goto out_free;
 	}
 
+	/*
+	 * Initialize IOMMU groups only after iommu_init_device() has
+	 * had a chance to populate any IVRS defined aliases.
+	 */
+	for_each_pci_dev(pdev) {
+		if (check_device(&pdev->dev))
+			init_iommu_group(&pdev->dev);
+	}
+
 	return 0;
 
 out_free:
@@ -2415,6 +2413,7 @@ static int device_change_notifier(struct notifier_block *nb,
 	case BUS_NOTIFY_ADD_DEVICE:
 
 		iommu_init_device(dev);
+		init_iommu_group(dev);
 
 		/*
 		 * dev_data is still NULL and
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 0639b92..690818d 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -30,6 +30,7 @@
 #include <linux/notifier.h>
 #include <linux/err.h>
 #include <linux/pci.h>
+#include <linux/bitops.h>
 #include <trace/events/iommu.h>
 
 static struct kset *iommu_group_kset;
@@ -519,6 +520,9 @@ int iommu_group_id(struct iommu_group *group)
 }
 EXPORT_SYMBOL_GPL(iommu_group_id);
 
+static struct iommu_group *get_pci_alias_group(struct pci_dev *pdev,
+					       unsigned long *devfns);
+
 /*
  * To consider a PCI device isolated, we require ACS to support Source
  * Validation, Request Redirection, Completer Redirection, and Upstream
@@ -529,6 +533,86 @@ EXPORT_SYMBOL_GPL(iommu_group_id);
  */
 #define REQ_ACS_FLAGS   (PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF)
 
+/*
+ * For multifunction devices which are not isolated from each other, find
+ * all the other non-isolated functions and look for existing groups.  For
+ * each function, we also need to look for aliases to or from other devices
+ * that may already have a group.
+ */
+static struct iommu_group *get_pci_function_alias_group(struct pci_dev *pdev,
+							unsigned long *devfns)
+{
+	struct pci_dev *tmp = NULL;
+	struct iommu_group *group;
+
+	if (!pdev->multifunction || pci_acs_enabled(pdev, REQ_ACS_FLAGS))
+		return NULL;
+
+	for_each_pci_dev(tmp) {
+		if (tmp == pdev || tmp->bus != pdev->bus ||
+		    PCI_SLOT(tmp->devfn) != PCI_SLOT(pdev->devfn) ||
+		    pci_acs_enabled(tmp, REQ_ACS_FLAGS))
+			continue;
+
+		group = get_pci_alias_group(tmp, devfns);
+		if (group) {
+			pci_dev_put(tmp);
+			return group;
+		}
+	}
+
+	return NULL;
+}
+
+/*
+ * Look for aliases to or from the given device for exisiting groups.  The
+ * dma_alias_devfn only supports aliases on the same bus, therefore the search
+ * space is quite small (especially since we're really only looking at pcie
+ * device, and therefore only expect multiple slots on the root complex or
+ * downstream switch ports).  It's conceivable though that a pair of
+ * multifunction devices could have aliases between them that would cause a
+ * loop.  To prevent this, we use a bitmap to track where we've been.
+ */
+static struct iommu_group *get_pci_alias_group(struct pci_dev *pdev,
+					       unsigned long *devfns)
+{
+	struct pci_dev *tmp = NULL;
+	struct iommu_group *group;
+
+	if (test_and_set_bit(pdev->devfn & 0xff, devfns))
+		return NULL;
+
+	group = iommu_group_get(&pdev->dev);
+	if (group)
+		return group;
+
+	for_each_pci_dev(tmp) {
+		if (tmp == pdev || tmp->bus != pdev->bus)
+			continue;
+
+		/* We alias them or they alias us */
+		if (((pdev->dev_flags & PCI_DEV_FLAGS_DMA_ALIAS_DEVFN) &&
+		     pdev->dma_alias_devfn == tmp->devfn) ||
+		    ((tmp->dev_flags & PCI_DEV_FLAGS_DMA_ALIAS_DEVFN) &&
+		     tmp->dma_alias_devfn == pdev->devfn)) {
+
+			group = get_pci_alias_group(tmp, devfns);
+			if (group) {
+				pci_dev_put(tmp);
+				return group;
+			}
+
+			group = get_pci_function_alias_group(tmp, devfns);
+			if (group) {
+				pci_dev_put(tmp);
+				return group;
+			}
+		}
+	}
+
+	return NULL;
+}
+
 struct group_for_pci_data {
 	struct pci_dev *pdev;
 	struct iommu_group *group;
@@ -557,7 +641,7 @@ static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev)
 	struct group_for_pci_data data;
 	struct pci_bus *bus;
 	struct iommu_group *group = NULL;
-	struct pci_dev *tmp;
+	u64 devfns[4] = { 0 };
 
 	/*
 	 * Find the upstream DMA alias for the device.  A device must not
@@ -591,76 +675,21 @@ static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev)
 	}
 
 	/*
-	 * Next we need to consider DMA alias quirks.  If one device aliases
-	 * to another, they should be grouped together.  It's theoretically
-	 * possible that aliases could create chains of devices where each
-	 * device aliases another device.  If we then factor in multifunction
-	 * ACS grouping requirements, each alias could incorporate a new slot
-	 * with multiple functions, each with aliases.  This is all extremely
-	 * unlikely as DMA alias quirks are typically only used for PCIe
-	 * devices where we usually have a single slot per bus.  Furthermore,
-	 * the alias quirk is usually to another function within the slot
-	 * (and ACS multifunction is not supported) or to a different slot
-	 * that doesn't physically exist.  The likely scenario is therefore
-	 * that everything on the bus gets grouped together.  To reduce the
-	 * problem space, share the IOMMU group for all devices on the bus
-	 * if a DMA alias quirk is present on the bus.
-	 */
-	tmp = NULL;
-	for_each_pci_dev(tmp) {
-		if (tmp->bus != pdev->bus ||
-		    !(tmp->dev_flags & PCI_DEV_FLAGS_DMA_ALIAS_DEVFN))
-			continue;
-
-		pci_dev_put(tmp);
-		tmp = NULL;
-
-		/* We have an alias quirk, search for an existing group */
-		for_each_pci_dev(tmp) {
-			struct iommu_group *group_tmp;
-
-			if (tmp->bus != pdev->bus)
-				continue;
-
-			group_tmp = iommu_group_get(&tmp->dev);
-			if (!group) {
-				group = group_tmp;
-				continue;
-			}
-
-			if (group_tmp) {
-				WARN_ON(group != group_tmp);
-				iommu_group_put(group_tmp);
-			}
-		}
-
-		return group ? group : iommu_group_alloc();
-	}
-
-	/*
-	 * Non-multifunction devices or multifunction devices supporting
-	 * ACS get their own group.
+	 * Look for existing groups on device aliases.  If we alias another
+	 * device or another device aliases us, use the same group.
 	 */
-	if (!pdev->multifunction || pci_acs_enabled(pdev, REQ_ACS_FLAGS))
-		return iommu_group_alloc();
+	group = get_pci_alias_group(pdev, (unsigned long *)devfns);
+	if (group)
+		return group;
 
 	/*
-	 * Multifunction devices not supporting ACS share a group with other
-	 * similar devices in the same slot.
+	 * Look for existing groups on non-isolated functions on the same
+	 * slot and aliases of those funcions, if any.  No need to clear
+	 * the search bitmap, the tested devfns are still valid.
 	 */
-	tmp = NULL;
-	for_each_pci_dev(tmp) {
-		if (tmp == pdev || tmp->bus != pdev->bus ||
-		    PCI_SLOT(tmp->devfn) !=  PCI_SLOT(pdev->devfn) ||
-		    pci_acs_enabled(tmp, REQ_ACS_FLAGS))
-			continue;
-
-		group = iommu_group_get(&tmp->dev);
-		if (group) {
-			pci_dev_put(tmp);
-			return group;
-		}
-	}
+	group = get_pci_function_alias_group(pdev, (unsigned long *)devfns);
+	if (group)
+		return group;
 
 	/* No shared group found, allocate new */
 	return iommu_group_alloc();
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 574aba0..1cb538f 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -43,6 +43,7 @@
 #define ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS	(0x34)
 #define ARMADA_370_XP_INT_SOURCE_CTL(irq)	(0x100 + irq*4)
 #define ARMADA_370_XP_INT_SOURCE_CPU_MASK	0xF
+#define ARMADA_370_XP_INT_IRQ_FIQ_MASK(cpuid)	((BIT(0) | BIT(8)) << cpuid)
 
 #define ARMADA_370_XP_CPU_INTACK_OFFS		(0x44)
 #define ARMADA_375_PPI_CAUSE			(0x10)
@@ -410,19 +411,29 @@ static void armada_370_xp_mpic_handle_cascade_irq(unsigned int irq,
 						  struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_get_chip(irq);
-	unsigned long irqmap, irqn;
+	unsigned long irqmap, irqn, irqsrc, cpuid;
 	unsigned int cascade_irq;
 
 	chained_irq_enter(chip, desc);
 
 	irqmap = readl_relaxed(per_cpu_int_base + ARMADA_375_PPI_CAUSE);
-
-	if (irqmap & BIT(0)) {
-		armada_370_xp_handle_msi_irq(NULL, true);
-		irqmap &= ~BIT(0);
-	}
+	cpuid = cpu_logical_map(smp_processor_id());
 
 	for_each_set_bit(irqn, &irqmap, BITS_PER_LONG) {
+		irqsrc = readl_relaxed(main_int_base +
+				       ARMADA_370_XP_INT_SOURCE_CTL(irqn));
+
+		/* Check if the interrupt is not masked on current CPU.
+		 * Test IRQ (0-1) and FIQ (8-9) mask bits.
+		 */
+		if (!(irqsrc & ARMADA_370_XP_INT_IRQ_FIQ_MASK(cpuid)))
+			continue;
+
+		if (irqn == 1) {
+			armada_370_xp_handle_msi_irq(NULL, true);
+			continue;
+		}
+
 		cascade_irq = irq_find_mapping(armada_370_xp_mpic_domain, irqn);
 		generic_handle_irq(cascade_irq);
 	}
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index ab472c5..9ea5b60 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -465,6 +465,7 @@ static void __relink_lru(struct dm_buffer *b, int dirty)
 	c->n_buffers[dirty]++;
 	b->list_mode = dirty;
 	list_move(&b->lru_list, &c->lru[dirty]);
+	b->last_accessed = jiffies;
 }
 
 /*----------------------------------------------------------------
@@ -1472,9 +1473,9 @@ static long __scan(struct dm_bufio_client *c, unsigned long nr_to_scan,
 		list_for_each_entry_safe_reverse(b, tmp, &c->lru[l], lru_list) {
 			freed += __cleanup_old_buffer(b, gfp_mask, 0);
 			if (!--nr_to_scan)
-				break;
+				return freed;
+			dm_bufio_cond_resched();
 		}
-		dm_bufio_cond_resched();
 	}
 	return freed;
 }
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
index b428c0a..39ad966 100644
--- a/drivers/md/dm-log-userspace-transfer.c
+++ b/drivers/md/dm-log-userspace-transfer.c
@@ -272,7 +272,7 @@ int dm_ulog_tfr_init(void)
 
 	r = cn_add_callback(&ulog_cn_id, "dmlogusr", cn_ulog_callback);
 	if (r) {
-		cn_del_callback(&ulog_cn_id);
+		kfree(prealloced_cn_msg);
 		return r;
 	}
 
diff --git a/drivers/media/common/siano/sms-cards.c b/drivers/media/common/siano/sms-cards.c
index 8276999..82c7a12 100644
--- a/drivers/media/common/siano/sms-cards.c
+++ b/drivers/media/common/siano/sms-cards.c
@@ -157,6 +157,12 @@ static struct sms_board sms_boards[] = {
 		.type = SMS_DENVER_2160,
 		.default_mode = DEVICE_MODE_DAB_TDMB,
 	},
+	[SMS1XXX_BOARD_PCTV_77E] = {
+		.name	= "Hauppauge microStick 77e",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_DVBT_BDA] = SMS_FW_DVB_NOVA_12MHZ_B0,
+		.default_mode = DEVICE_MODE_DVBT_BDA,
+	},
 };
 
 struct sms_board *sms_get_board(unsigned id)
diff --git a/drivers/media/common/siano/sms-cards.h b/drivers/media/common/siano/sms-cards.h
index c63b544..4c4cadd 100644
--- a/drivers/media/common/siano/sms-cards.h
+++ b/drivers/media/common/siano/sms-cards.h
@@ -45,6 +45,7 @@
 #define SMS1XXX_BOARD_SIANO_RIO		18
 #define SMS1XXX_BOARD_SIANO_DENVER_1530	19
 #define SMS1XXX_BOARD_SIANO_DENVER_2160 20
+#define SMS1XXX_BOARD_PCTV_77E		21
 
 struct sms_board_gpio_cfg {
 	int lna_vhf_exist;
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 335daef..9d0d034 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -864,6 +864,13 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
 	memcpy(&state->frontend.ops, &ds3000_ops,
 			sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
+
+	/*
+	 * Some devices like T480 starts with voltage on. Be sure
+	 * to turn voltage off during init, as this can otherwise
+	 * interfere with Unicable SCR systems.
+	 */
+	ds3000_set_voltage(&state->frontend, SEC_VOLTAGE_OFF);
 	return &state->frontend;
 
 error3:
diff --git a/drivers/media/i2c/tda7432.c b/drivers/media/i2c/tda7432.c
index 72af644..cf93021 100644
--- a/drivers/media/i2c/tda7432.c
+++ b/drivers/media/i2c/tda7432.c
@@ -293,7 +293,7 @@ static int tda7432_s_ctrl(struct v4l2_ctrl *ctrl)
 		if (t->mute->val) {
 			lf |= TDA7432_MUTE;
 			lr |= TDA7432_MUTE;
-			lf |= TDA7432_MUTE;
+			rf |= TDA7432_MUTE;
 			rr |= TDA7432_MUTE;
 		}
 		/* Mute & update balance*/
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 6d86646..5d666af2 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -158,7 +158,7 @@ config VIDEO_MEM2MEM_DEINTERLACE
 
 config VIDEO_SAMSUNG_S5P_G2D
 	tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver"
-	depends on VIDEO_DEV && VIDEO_V4L2 && (PLAT_S5P || ARCH_EXYNOS)
+	depends on VIDEO_DEV && VIDEO_V4L2 && (ARCH_S5PV210 || ARCH_EXYNOS)
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
 	default n
@@ -168,7 +168,7 @@ config VIDEO_SAMSUNG_S5P_G2D
 
 config VIDEO_SAMSUNG_S5P_JPEG
 	tristate "Samsung S5P/Exynos3250/Exynos4 JPEG codec driver"
-	depends on VIDEO_DEV && VIDEO_V4L2 && (PLAT_S5P || ARCH_EXYNOS)
+	depends on VIDEO_DEV && VIDEO_V4L2 && (ARCH_S5PV210 || ARCH_EXYNOS)
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
 	---help---
@@ -177,7 +177,7 @@ config VIDEO_SAMSUNG_S5P_JPEG
 
 config VIDEO_SAMSUNG_S5P_MFC
 	tristate "Samsung S5P MFC Video Codec"
-	depends on VIDEO_DEV && VIDEO_V4L2 && (PLAT_S5P || ARCH_EXYNOS)
+	depends on VIDEO_DEV && VIDEO_V4L2 && (ARCH_S5PV210 || ARCH_EXYNOS)
 	select VIDEOBUF2_DMA_CONTIG
 	default n
 	help
diff --git a/drivers/media/platform/exynos4-is/Kconfig b/drivers/media/platform/exynos4-is/Kconfig
index 5dcaa0a..ec5d7c4 100644
--- a/drivers/media/platform/exynos4-is/Kconfig
+++ b/drivers/media/platform/exynos4-is/Kconfig
@@ -2,7 +2,7 @@
 config VIDEO_SAMSUNG_EXYNOS4_IS
 	bool "Samsung S5P/EXYNOS4 SoC series Camera Subsystem driver"
 	depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
-	depends on (PLAT_S5P || ARCH_EXYNOS)
+	depends on ARCH_S5PV210 || ARCH_EXYNOS
 	depends on OF && COMMON_CLK
 	help
 	  Say Y here to enable camera host interface devices for
diff --git a/drivers/media/platform/s5p-tv/Kconfig b/drivers/media/platform/s5p-tv/Kconfig
index 369a4c1..dc28ad2 100644
--- a/drivers/media/platform/s5p-tv/Kconfig
+++ b/drivers/media/platform/s5p-tv/Kconfig
@@ -8,7 +8,7 @@
 
 config VIDEO_SAMSUNG_S5P_TV
 	bool "Samsung TV driver for S5P platform"
-	depends on (PLAT_S5P || ARCH_EXYNOS) && PM_RUNTIME
+	depends on (ARCH_S5PV210 || ARCH_EXYNOS) && PM_RUNTIME
 	default n
 	---help---
 	  Say Y here to enable selecting the TV output devices for
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 7115e68..71c9039 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -1579,7 +1579,8 @@ static void imon_incoming_packet(struct imon_context *ictx,
 		if (press_type == 0)
 			rc_keyup(ictx->rdev);
 		else {
-			if (ictx->rc_type == RC_BIT_RC6_MCE)
+			if (ictx->rc_type == RC_BIT_RC6_MCE ||
+			    ictx->rc_type == RC_BIT_OTHER)
 				rc_keydown(ictx->rdev,
 					   ictx->rc_type == RC_BIT_RC6_MCE ? RC_TYPE_RC6_MCE : RC_TYPE_OTHER,
 					   ictx->rc_scancode, ictx->rc_toggle);
diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
index e8fff2a..b732ac6 100644
--- a/drivers/media/rc/rc-ir-raw.c
+++ b/drivers/media/rc/rc-ir-raw.c
@@ -262,7 +262,6 @@ int ir_raw_event_register(struct rc_dev *dev)
 		return -ENOMEM;
 
 	dev->raw->dev = dev;
-	dev->enabled_protocols = ~0;
 	dev->change_protocol = change_protocol;
 	rc = kfifo_alloc(&dev->raw->kfifo,
 			 sizeof(struct ir_raw_event) * MAX_IR_EVENT_SIZE,
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index a7991c7..8d3b74c 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1421,6 +1421,8 @@ int rc_register_device(struct rc_dev *dev)
 
 	if (dev->change_protocol) {
 		u64 rc_type = (1 << rc_map->rc_type);
+		if (dev->driver_type == RC_DRIVER_IR_RAW)
+			rc_type |= RC_BIT_LIRC;
 		rc = dev->change_protocol(dev, &rc_type);
 		if (rc < 0)
 			goto out_raw;
diff --git a/drivers/media/tuners/m88ts2022.c b/drivers/media/tuners/m88ts2022.c
index 40c42de..7a62097 100644
--- a/drivers/media/tuners/m88ts2022.c
+++ b/drivers/media/tuners/m88ts2022.c
@@ -314,7 +314,7 @@ static int m88ts2022_set_params(struct dvb_frontend *fe)
 	div_min = gdiv28 * 78 / 100;
 	div_max = clamp_val(div_max, 0U, 63U);
 
-	f_3db_hz = c->symbol_rate * 135UL / 200UL;
+	f_3db_hz = mult_frac(c->symbol_rate, 135, 200);
 	f_3db_hz +=  2000000U + (frequency_offset_khz * 1000U);
 	f_3db_hz = clamp(f_3db_hz, 7000000U, 40000000U);
 
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 9da812b..9c61c3f 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -3098,16 +3098,6 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 		}
 	}
 
-	if (dev->chip_id == CHIP_ID_EM2870 ||
-	    dev->chip_id == CHIP_ID_EM2874 ||
-	    dev->chip_id == CHIP_ID_EM28174 ||
-	    dev->chip_id == CHIP_ID_EM28178) {
-		/* Digital only device - don't load any alsa module */
-		dev->audio_mode.has_audio = false;
-		dev->has_audio_class = false;
-		dev->has_alsa_audio = false;
-	}
-
 	if (chip_name != default_chip_name)
 		printk(KERN_INFO DRIVER_NAME
 		       ": chip ID is %s\n", chip_name);
@@ -3377,7 +3367,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	dev->alt   = -1;
 	dev->is_audio_only = has_audio && !(has_video || has_dvb);
 	dev->has_alsa_audio = has_audio;
-	dev->audio_mode.has_audio = has_audio;
 	dev->has_video = has_video;
 	dev->ifnum = ifnum;
 
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 523d7e9..0f6caa4 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -506,8 +506,18 @@ int em28xx_audio_setup(struct em28xx *dev)
 	int vid1, vid2, feat, cfg;
 	u32 vid;
 
-	if (!dev->audio_mode.has_audio)
+	if (dev->chip_id == CHIP_ID_EM2870 ||
+	    dev->chip_id == CHIP_ID_EM2874 ||
+	    dev->chip_id == CHIP_ID_EM28174 ||
+	    dev->chip_id == CHIP_ID_EM28178) {
+		/* Digital only device - don't load any alsa module */
+		dev->audio_mode.has_audio = false;
+		dev->has_audio_class = false;
+		dev->has_alsa_audio = false;
 		return 0;
+	}
+
+	dev->audio_mode.has_audio = true;
 
 	/* See how this device is configured */
 	cfg = em28xx_read_reg(dev, EM28XX_R00_CHIPCFG);
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 29abc37..5122cbe 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -435,7 +435,10 @@ static inline void finish_buffer(struct em28xx *dev,
 	em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
 
 	buf->vb.v4l2_buf.sequence = dev->v4l2->field_count++;
-	buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
+	if (dev->v4l2->progressive)
+		buf->vb.v4l2_buf.field = V4L2_FIELD_NONE;
+	else
+		buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
 	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
 
 	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
@@ -994,13 +997,16 @@ static void em28xx_stop_streaming(struct vb2_queue *vq)
 	}
 
 	spin_lock_irqsave(&dev->slock, flags);
+	if (dev->usb_ctl.vid_buf != NULL) {
+		vb2_buffer_done(&dev->usb_ctl.vid_buf->vb, VB2_BUF_STATE_ERROR);
+		dev->usb_ctl.vid_buf = NULL;
+	}
 	while (!list_empty(&vidq->active)) {
 		struct em28xx_buffer *buf;
 		buf = list_entry(vidq->active.next, struct em28xx_buffer, list);
 		list_del(&buf->list);
 		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
 	}
-	dev->usb_ctl.vid_buf = NULL;
 	spin_unlock_irqrestore(&dev->slock, flags);
 }
 
@@ -1021,13 +1027,16 @@ void em28xx_stop_vbi_streaming(struct vb2_queue *vq)
 	}
 
 	spin_lock_irqsave(&dev->slock, flags);
+	if (dev->usb_ctl.vbi_buf != NULL) {
+		vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb, VB2_BUF_STATE_ERROR);
+		dev->usb_ctl.vbi_buf = NULL;
+	}
 	while (!list_empty(&vbiq->active)) {
 		struct em28xx_buffer *buf;
 		buf = list_entry(vbiq->active.next, struct em28xx_buffer, list);
 		list_del(&buf->list);
 		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
 	}
-	dev->usb_ctl.vbi_buf = NULL;
 	spin_unlock_irqrestore(&dev->slock, flags);
 }
 
diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c
index 1836a41..89c86ee 100644
--- a/drivers/media/usb/siano/smsusb.c
+++ b/drivers/media/usb/siano/smsusb.c
@@ -655,6 +655,8 @@ static const struct usb_device_id smsusb_id_table[] = {
 		.driver_info = SMS1XXX_BOARD_ONDA_MDTV_DATA_CARD },
 	{ USB_DEVICE(0x3275, 0x0080),
 		.driver_info = SMS1XXX_BOARD_SIANO_RIO },
+	{ USB_DEVICE(0x2013, 0x0257),
+		.driver_info = SMS1XXX_BOARD_PCTV_77E },
 	{ } /* Terminating entry */
 	};
 
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index f8135f4..f3c1269 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2229,6 +2229,15 @@ static struct usb_device_id uvc_ids[] = {
 	  .bInterfaceSubClass	= 1,
 	  .bInterfaceProtocol	= 0,
 	  .driver_info		= UVC_QUIRK_PROBE_DEF },
+	/* Dell XPS M1330 (OmniVision OV7670 webcam) */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x05a9,
+	  .idProduct		= 0x7670,
+	  .bInterfaceClass	= USB_CLASS_VIDEO,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_PROBE_DEF },
 	/* Apple Built-In iSight */
 	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
 				| USB_DEVICE_ID_MATCH_INT_INFO,
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index ccaa38f..2e9d81f 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -435,16 +435,13 @@ static unsigned int clamp_align(unsigned int x, unsigned int min,
 	/* Bits that must be zero to be aligned */
 	unsigned int mask = ~((1 << align) - 1);
 
+	/* Clamp to aligned min and max */
+	x = clamp(x, (min + ~mask) & mask, max & mask);
+
 	/* Round to nearest aligned value */
 	if (align)
 		x = (x + (1 << (align - 1))) & mask;
 
-	/* Clamp to aligned value of min and max */
-	if (x < min)
-		x = (min + ~mask) & mask;
-	else if (x > max)
-		x = max & mask;
-
 	return x;
 }
 
diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c
index 3c8cc02..3ff15f1 100644
--- a/drivers/media/v4l2-core/videobuf-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf-dma-sg.c
@@ -253,9 +253,11 @@ int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
 	return 0;
 out_free_pages:
 	while (i > 0) {
-		void *addr = page_address(dma->vaddr_pages[i]);
-		dma_free_coherent(dma->dev, PAGE_SIZE, addr, dma->dma_addr[i]);
+		void *addr;
+
 		i--;
+		addr = page_address(dma->vaddr_pages[i]);
+		dma_free_coherent(dma->dev, PAGE_SIZE, addr, dma->dma_addr[i]);
 	}
 	kfree(dma->dma_addr);
 	dma->dma_addr = NULL;
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index d01b8c2..f2643c2 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -1197,7 +1197,7 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
 	pcr->msi_en = msi_en;
 	if (pcr->msi_en) {
 		ret = pci_enable_msi(pcidev);
-		if (ret < 0)
+		if (ret)
 			pcr->msi_en = false;
 	}
 
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index dd4bf58..121add8 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -53,11 +53,11 @@ void am335x_tsc_se_set_cache(struct ti_tscadc_dev *tsadc, u32 val)
 	unsigned long flags;
 
 	spin_lock_irqsave(&tsadc->reg_lock, flags);
-	tsadc->reg_se_cache = val;
+	tsadc->reg_se_cache |= val;
 	if (tsadc->adc_waiting)
 		wake_up(&tsadc->reg_se_wait);
 	else if (!tsadc->adc_in_use)
-		tscadc_writel(tsadc, REG_SE, val);
+		tscadc_writel(tsadc, REG_SE, tsadc->reg_se_cache);
 
 	spin_unlock_irqrestore(&tsadc->reg_lock, flags);
 }
@@ -96,6 +96,7 @@ static void am335x_tscadc_need_adc(struct ti_tscadc_dev *tsadc)
 void am335x_tsc_se_set_once(struct ti_tscadc_dev *tsadc, u32 val)
 {
 	spin_lock_irq(&tsadc->reg_lock);
+	tsadc->reg_se_cache |= val;
 	am335x_tscadc_need_adc(tsadc);
 
 	tscadc_writel(tsadc, REG_SE, val);
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index e636d9e..3fc40a7 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -992,8 +992,16 @@ static int mmc_sdio_resume(struct mmc_host *host)
 		}
 	}
 
-	if (!err && host->sdio_irqs)
-		wake_up_process(host->sdio_irq_thread);
+	if (!err && host->sdio_irqs) {
+		if (!(host->caps2 & MMC_CAP2_SDIO_IRQ_NOTHREAD)) {
+			wake_up_process(host->sdio_irq_thread);
+		} else if (host->caps & MMC_CAP_SDIO_IRQ) {
+			mmc_host_clk_hold(host);
+			host->ops->enable_sdio_irq(host, 1);
+			mmc_host_clk_release(host);
+		}
+	}
+
 	mmc_release_host(host);
 
 	host->pm_flags &= ~MMC_PM_KEEP_POWER;
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 5cc13c8..696eca4 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -208,7 +208,7 @@ static int sdio_card_irq_get(struct mmc_card *card)
 				host->sdio_irqs--;
 				return err;
 			}
-		} else {
+		} else if (host->caps & MMC_CAP_SDIO_IRQ) {
 			mmc_host_clk_hold(host);
 			host->ops->enable_sdio_irq(host, 1);
 			mmc_host_clk_release(host);
@@ -229,7 +229,7 @@ static int sdio_card_irq_put(struct mmc_card *card)
 		if (!(host->caps2 & MMC_CAP2_SDIO_IRQ_NOTHREAD)) {
 			atomic_set(&host->sdio_irq_thread_abort, 1);
 			kthread_stop(host->sdio_irq_thread);
-		} else {
+		} else if (host->caps & MMC_CAP_SDIO_IRQ) {
 			mmc_host_clk_hold(host);
 			host->ops->enable_sdio_irq(host, 0);
 			mmc_host_clk_release(host);
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 5f89cb8..187f48a 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -221,8 +221,6 @@ int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
 	ctx->override_cd_active_level = true;
 	ctx->cd_gpio = gpio_to_desc(gpio);
 
-	mmc_gpiod_request_cd_irq(host);
-
 	return 0;
 }
 EXPORT_SYMBOL(mmc_gpio_request_cd);
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index cc8d4a6..e4a0754 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1436,6 +1436,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 					     host->pdata->cd_debounce);
 		if (status != 0)
 			goto fail_add_host;
+		mmc_gpiod_request_cd_irq(mmc);
 	}
 
 	if (host->pdata && host->pdata->flags & MMC_SPI_USE_RO_GPIO) {
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index dfde4a2..b2537e2 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -412,6 +412,13 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
 	}
 
 	if (rsp_type == SD_RSP_TYPE_R2) {
+		/*
+		 * The controller offloads the last byte {CRC-7, end bit 1'b1}
+		 * of response type R2. Assign dummy CRC, 0, and end bit to the
+		 * byte(ptr[16], goes into the LSB of resp[3] later).
+		 */
+		ptr[16] = 1;
+
 		for (i = 0; i < 4; i++) {
 			cmd->resp[i] = get_unaligned_be32(ptr + 1 + i * 4);
 			dev_dbg(sdmmc_dev(host), "cmd->resp[%d] = 0x%08x\n",
diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c
index 5d3766e..d9153a7 100644
--- a/drivers/mmc/host/rtsx_usb_sdmmc.c
+++ b/drivers/mmc/host/rtsx_usb_sdmmc.c
@@ -435,6 +435,13 @@ static void sd_send_cmd_get_rsp(struct rtsx_usb_sdmmc *host,
 	}
 
 	if (rsp_type == SD_RSP_TYPE_R2) {
+		/*
+		 * The controller offloads the last byte {CRC-7, end bit 1'b1}
+		 * of response type R2. Assign dummy CRC, 0, and end bit to the
+		 * byte(ptr[16], goes into the LSB of resp[3] later).
+		 */
+		ptr[16] = 1;
+
 		for (i = 0; i < 4; i++) {
 			cmd->resp[i] = get_unaligned_be32(ptr + 1 + i * 4);
 			dev_dbg(sdmmc_dev(host), "cmd->resp[%d] = 0x%08x\n",
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index 6f842fb..3434c79 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -224,12 +224,11 @@ static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs)
 
 static const struct sdhci_ops pxav3_sdhci_ops = {
 	.set_clock = sdhci_set_clock,
-	.set_uhs_signaling = pxav3_set_uhs_signaling,
 	.platform_send_init_74_clocks = pxav3_gen_init_74_clocks,
 	.get_max_clock = sdhci_pltfm_clk_get_max_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = pxav3_reset,
-	.set_uhs_signaling = sdhci_set_uhs_signaling,
+	.set_uhs_signaling = pxav3_set_uhs_signaling,
 };
 
 static struct sdhci_pltfm_data sdhci_pxav3_pdata = {
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index fa5954a..1e47903 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -606,8 +606,6 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
 	ret = sdhci_add_host(host);
 	if (ret) {
 		dev_err(dev, "sdhci_add_host() failed\n");
-		pm_runtime_forbid(&pdev->dev);
-		pm_runtime_get_noresume(&pdev->dev);
 		goto err_req_regs;
 	}
 
@@ -618,6 +616,8 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
 	return 0;
 
  err_req_regs:
+	pm_runtime_disable(&pdev->dev);
+
  err_no_busclks:
 	clk_disable_unprepare(sc->clk_io);
 
diff --git a/drivers/mmc/host/sdhci-sirf.c b/drivers/mmc/host/sdhci-sirf.c
index 1700453..b6db259 100644
--- a/drivers/mmc/host/sdhci-sirf.c
+++ b/drivers/mmc/host/sdhci-sirf.c
@@ -94,6 +94,7 @@ static int sdhci_sirf_probe(struct platform_device *pdev)
 				ret);
 			goto err_request_cd;
 		}
+		mmc_gpiod_request_cd_irq(host->mmc);
 	}
 
 	return 0;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index faf0924..59d9a72 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -1103,6 +1103,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host **host,
 			tmio_mmc_host_remove(_host);
 			return ret;
 		}
+		mmc_gpiod_request_cd_irq(mmc);
 	}
 
 	*host = _host;
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index a7543ba..3096f3d 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -2590,6 +2590,8 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
 
 		/* Go to known state. Chip may have been power cycled */
 		if (chip->state == FL_PM_SUSPENDED) {
+			/* Refresh LH28F640BF Partition Config. Register */
+			fixup_LH28F640BF(mtd);
 			map_write(map, CMD(0xFF), cfi->chips[i].start);
 			chip->oldstate = chip->state = FL_READY;
 			wake_up(&chip->wq);
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index ed7e0a1b..5935f0a 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -245,6 +245,56 @@ static int m25p_remove(struct spi_device *spi)
 }
 
 
+/*
+ * XXX This needs to be kept in sync with spi_nor_ids.  We can't share
+ * it with spi-nor, because if this is built as a module then modpost
+ * won't be able to read it and add appropriate aliases.
+ */
+static const struct spi_device_id m25p_ids[] = {
+	{"at25fs010"},	{"at25fs040"},	{"at25df041a"},	{"at25df321a"},
+	{"at25df641"},	{"at26f004"},	{"at26df081a"},	{"at26df161a"},
+	{"at26df321"},	{"at45db081d"},
+	{"en25f32"},	{"en25p32"},	{"en25q32b"},	{"en25p64"},
+	{"en25q64"},	{"en25qh128"},	{"en25qh256"},
+	{"f25l32pa"},
+	{"mr25h256"},	{"mr25h10"},
+	{"gd25q32"},	{"gd25q64"},
+	{"160s33b"},	{"320s33b"},	{"640s33b"},
+	{"mx25l2005a"},	{"mx25l4005a"},	{"mx25l8005"},	{"mx25l1606e"},
+	{"mx25l3205d"},	{"mx25l3255e"},	{"mx25l6405d"},	{"mx25l12805d"},
+	{"mx25l12855e"},{"mx25l25635e"},{"mx25l25655e"},{"mx66l51235l"},
+	{"mx66l1g55g"},
+	{"n25q064"},	{"n25q128a11"},	{"n25q128a13"},	{"n25q256a"},
+	{"n25q512a"},	{"n25q512ax3"},	{"n25q00"},
+	{"pm25lv512"},	{"pm25lv010"},	{"pm25lq032"},
+	{"s25sl032p"},	{"s25sl064p"},	{"s25fl256s0"},	{"s25fl256s1"},
+	{"s25fl512s"},	{"s70fl01gs"},	{"s25sl12800"},	{"s25sl12801"},
+	{"s25fl129p0"},	{"s25fl129p1"},	{"s25sl004a"},	{"s25sl008a"},
+	{"s25sl016a"},	{"s25sl032a"},	{"s25sl064a"},	{"s25fl008k"},
+	{"s25fl016k"},	{"s25fl064k"},
+	{"sst25vf040b"},{"sst25vf080b"},{"sst25vf016b"},{"sst25vf032b"},
+	{"sst25vf064c"},{"sst25wf512"},	{"sst25wf010"},	{"sst25wf020"},
+	{"sst25wf040"},
+	{"m25p05"},	{"m25p10"},	{"m25p20"},	{"m25p40"},
+	{"m25p80"},	{"m25p16"},	{"m25p32"},	{"m25p64"},
+	{"m25p128"},	{"n25q032"},
+	{"m25p05-nonjedec"},	{"m25p10-nonjedec"},	{"m25p20-nonjedec"},
+	{"m25p40-nonjedec"},	{"m25p80-nonjedec"},	{"m25p16-nonjedec"},
+	{"m25p32-nonjedec"},	{"m25p64-nonjedec"},	{"m25p128-nonjedec"},
+	{"m45pe10"},	{"m45pe80"},	{"m45pe16"},
+	{"m25pe20"},	{"m25pe80"},	{"m25pe16"},
+	{"m25px16"},	{"m25px32"},	{"m25px32-s0"},	{"m25px32-s1"},
+	{"m25px64"},
+	{"w25x10"},	{"w25x20"},	{"w25x40"},	{"w25x80"},
+	{"w25x16"},	{"w25x32"},	{"w25q32"},	{"w25q32dw"},
+	{"w25x64"},	{"w25q64"},	{"w25q128"},	{"w25q80"},
+	{"w25q80bl"},	{"w25q128"},	{"w25q256"},	{"cat25c11"},
+	{"cat25c03"},	{"cat25c09"},	{"cat25c17"},	{"cat25128"},
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, m25p_ids);
+
+
 static struct spi_driver m25p80_driver = {
 	.driver = {
 		.name	= "m25p80",
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 33c6495..5f9a1e2 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -188,8 +188,9 @@ static int ubiblock_read_to_buf(struct ubiblock *dev, char *buffer,
 
 	ret = ubi_read(dev->desc, leb, buffer, offset, len);
 	if (ret) {
-		ubi_err("%s ubi_read error %d",
-			dev->gd->disk_name, ret);
+		ubi_err("%s: error %d while reading from LEB %d (offset %d, "
+		        "length %d)", dev->gd->disk_name, ret, leb, offset,
+			len);
 		return ret;
 	}
 	return 0;
@@ -378,7 +379,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
 {
 	struct ubiblock *dev;
 	struct gendisk *gd;
-	u64 disk_capacity = ((u64)vi->size * vi->usable_leb_size) >> 9;
+	u64 disk_capacity = vi->used_bytes >> 9;
 	int ret;
 
 	if ((sector_t)disk_capacity != disk_capacity)
@@ -502,7 +503,7 @@ int ubiblock_remove(struct ubi_volume_info *vi)
 static int ubiblock_resize(struct ubi_volume_info *vi)
 {
 	struct ubiblock *dev;
-	u64 disk_capacity = ((u64)vi->size * vi->usable_leb_size) >> 9;
+	u64 disk_capacity = vi->used_bytes >> 9;
 
 	if ((sector_t)disk_capacity != disk_capacity) {
 		ubi_warn("%s: the volume is too big, cannot resize (%d LEBs)",
@@ -522,8 +523,12 @@ static int ubiblock_resize(struct ubi_volume_info *vi)
 	}
 
 	mutex_lock(&dev->dev_mutex);
-	set_capacity(dev->gd, disk_capacity);
-	ubi_msg("%s resized to %d LEBs", dev->gd->disk_name, vi->size);
+
+	if (get_capacity(dev->gd) != disk_capacity) {
+		set_capacity(dev->gd, disk_capacity);
+		ubi_msg("%s resized to %lld bytes", dev->gd->disk_name,
+			vi->used_bytes);
+	}
 	mutex_unlock(&dev->dev_mutex);
 	mutex_unlock(&devices_mutex);
 	return 0;
@@ -547,6 +552,14 @@ static int ubiblock_notify(struct notifier_block *nb,
 	case UBI_VOLUME_RESIZED:
 		ubiblock_resize(&nt->vi);
 		break;
+	case UBI_VOLUME_UPDATED:
+		/*
+		 * If the volume is static, a content update might mean the
+		 * size (i.e. used_bytes) was also changed.
+		 */
+		if (nt->vi.vol_type == UBI_STATIC_VOLUME)
+			ubiblock_resize(&nt->vi);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 7646220..20aeb27 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -425,8 +425,10 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
 			break;
 
 		err = ubi_start_update(ubi, vol, bytes);
-		if (bytes == 0)
+		if (bytes == 0) {
+			ubi_volume_notify(ubi, vol, UBI_VOLUME_UPDATED);
 			revoke_exclusive(desc, UBI_READWRITE);
+		}
 		break;
 	}
 
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 0431b46..c701369 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -330,6 +330,7 @@ static int process_pool_aeb(struct ubi_device *ubi, struct ubi_attach_info *ai,
 		av = tmp_av;
 	else {
 		ubi_err("orphaned volume in fastmap pool!");
+		kmem_cache_free(ai->aeb_slab_cache, new_aeb);
 		return UBI_BAD_FASTMAP;
 	}
 
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index c6f6f69..2f8f251 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -135,6 +135,7 @@ config MACVLAN
 config MACVTAP
 	tristate "MAC-VLAN based tap driver"
 	depends on MACVLAN
+	depends on INET
 	help
 	  This adds a specialized tap character device driver that is based
 	  on the MAC-VLAN network interface, called macvtap. A macvtap device
@@ -201,6 +202,7 @@ config RIONET_RX_SIZE
 
 config TUN
 	tristate "Universal TUN/TAP device driver support"
+	depends on INET
 	select CRC32
 	---help---
 	  TUN/TAP provides packet reception and transmission for user space
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index e5be511..fac3821 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -6557,6 +6557,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	spin_lock_init(&adapter->stats_lock);
 	spin_lock_init(&adapter->tid_release_lock);
+	spin_lock_init(&adapter->win0_lock);
 
 	INIT_WORK(&adapter->tid_release_task, process_tid_release_list);
 	INIT_WORK(&adapter->db_full_task, process_db_full);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index dae3da6..c2c7743 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -808,8 +808,11 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f;
 	tx_desc->ctrl.srcrb_flags = priv->ctrl_flags;
 	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
-		tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM |
-							 MLX4_WQE_CTRL_TCP_UDP_CSUM);
+		if (!skb->encapsulation)
+			tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM |
+								 MLX4_WQE_CTRL_TCP_UDP_CSUM);
+		else
+			tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM);
 		ring->tx_csum++;
 	}
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index ca0f98c..8728431 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -955,6 +955,10 @@ static void mlx4_err_rule(struct mlx4_dev *dev, char *str,
 					cur->ib.dst_gid_msk);
 			break;
 
+		case MLX4_NET_TRANS_RULE_ID_VXLAN:
+			len += snprintf(buf + len, BUF_SIZE - len,
+					"VNID = %d ", be32_to_cpu(cur->vxlan.vni));
+			break;
 		case MLX4_NET_TRANS_RULE_ID_IPV6:
 			break;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 655a23b..e17a970 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -33,6 +33,7 @@ static struct stmmac_dma_cfg dma_cfg;
 static void stmmac_default_data(void)
 {
 	memset(&plat_dat, 0, sizeof(struct plat_stmmacenet_data));
+
 	plat_dat.bus_id = 1;
 	plat_dat.phy_addr = 0;
 	plat_dat.interface = PHY_INTERFACE_MODE_GMII;
@@ -47,6 +48,12 @@ static void stmmac_default_data(void)
 	dma_cfg.pbl = 32;
 	dma_cfg.burst_len = DMA_AXI_BLEN_256;
 	plat_dat.dma_cfg = &dma_cfg;
+
+	/* Set default value for multicast hash bins */
+	plat_dat.multicast_filter_bins = HASH_TABLE_SIZE;
+
+	/* Set default value for unicast filter entries */
+	plat_dat.unicast_filter_entries = 1;
 }
 
 /**
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 0fcb5e7..148fda3 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -556,6 +556,7 @@ do_lso:
 do_send:
 	/* Start filling in the page buffers with the rndis hdr */
 	rndis_msg->msg_len += rndis_msg_size;
+	packet->total_data_buflen = rndis_msg->msg_len;
 	packet->page_buf_cnt = init_page_array(rndis_msg, rndis_msg_size,
 					skb, &packet->page_buf[0]);
 
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 726edab..5f17ad0 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -201,7 +201,7 @@ static void macvlan_process_broadcast(struct work_struct *w)
 	struct sk_buff *skb;
 	struct sk_buff_head list;
 
-	skb_queue_head_init(&list);
+	__skb_queue_head_init(&list);
 
 	spin_lock_bh(&port->bc_queue.lock);
 	skb_queue_splice_tail_init(&port->bc_queue, &list);
@@ -941,9 +941,15 @@ static void macvlan_port_destroy(struct net_device *dev)
 {
 	struct macvlan_port *port = macvlan_port_get_rtnl(dev);
 
-	cancel_work_sync(&port->bc_work);
 	dev->priv_flags &= ~IFF_MACVLAN_PORT;
 	netdev_rx_handler_unregister(dev);
+
+	/* After this point, no packet can schedule bc_work anymore,
+	 * but we need to cancel it and purge left skbs if any.
+	 */
+	cancel_work_sync(&port->bc_work);
+	__skb_queue_purge(&port->bc_queue);
+
 	kfree_rcu(port, rcu);
 }
 
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 0c6adaa..9b5481c 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -16,6 +16,7 @@
 #include <linux/idr.h>
 #include <linux/fs.h>
 
+#include <net/ipv6.h>
 #include <net/net_namespace.h>
 #include <net/rtnetlink.h>
 #include <net/sock.h>
@@ -570,6 +571,8 @@ static int macvtap_skb_from_vnet_hdr(struct sk_buff *skb,
 			break;
 		case VIRTIO_NET_HDR_GSO_UDP:
 			gso_type = SKB_GSO_UDP;
+			if (skb->protocol == htons(ETH_P_IPV6))
+				ipv6_proxy_select_ident(skb);
 			break;
 		default:
 			return -EINVAL;
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index fa0d717..90c639b 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -594,7 +594,7 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			if (file == ppp->owner)
 				ppp_shutdown_interface(ppp);
 		}
-		if (atomic_long_read(&file->f_count) <= 2) {
+		if (atomic_long_read(&file->f_count) < 2) {
 			ppp_release(NULL, file);
 			err = 0;
 		} else
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index acaaf67..610d166 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -65,6 +65,7 @@
 #include <linux/nsproxy.h>
 #include <linux/virtio_net.h>
 #include <linux/rcupdate.h>
+#include <net/ipv6.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 #include <net/rtnetlink.h>
@@ -1139,6 +1140,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
 		break;
 	}
 
+	skb_reset_network_header(skb);
+
 	if (gso.gso_type != VIRTIO_NET_HDR_GSO_NONE) {
 		pr_debug("GSO!\n");
 		switch (gso.gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
@@ -1150,6 +1153,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
 			break;
 		case VIRTIO_NET_HDR_GSO_UDP:
 			skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
+			if (skb->protocol == htons(ETH_P_IPV6))
+				ipv6_proxy_select_ident(skb);
 			break;
 		default:
 			tun->dev->stats.rx_frame_errors++;
@@ -1179,7 +1184,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
 		skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
 	}
 
-	skb_reset_network_header(skb);
 	skb_probe_transport_header(skb, 0);
 
 	rxhash = skb_get_hash(skb);
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index be42757..e6338c1 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -937,6 +937,7 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p)
 {
 	struct usbnet *dev = netdev_priv(net);
 	struct sockaddr *addr = p;
+	int ret;
 
 	if (netif_running(net))
 		return -EBUSY;
@@ -946,8 +947,12 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p)
 	memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
 
 	/* Set the MAC address */
-	return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
+	ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
 				 ETH_ALEN, net->dev_addr);
+	if (ret < 0)
+		return ret;
+
+	return 0;
 }
 
 static const struct net_device_ops ax88179_netdev_ops = {
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index beb377b..b483127 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1440,9 +1440,6 @@ static int neigh_reduce(struct net_device *dev, struct sk_buff *skb)
 	if (!in6_dev)
 		goto out;
 
-	if (!pskb_may_pull(skb, skb->len))
-		goto out;
-
 	iphdr = ipv6_hdr(skb);
 	saddr = &iphdr->saddr;
 	daddr = &iphdr->daddr;
@@ -1717,6 +1714,8 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan,
 	struct pcpu_sw_netstats *tx_stats, *rx_stats;
 	union vxlan_addr loopback;
 	union vxlan_addr *remote_ip = &dst_vxlan->default_dst.remote_ip;
+	struct net_device *dev = skb->dev;
+	int len = skb->len;
 
 	tx_stats = this_cpu_ptr(src_vxlan->dev->tstats);
 	rx_stats = this_cpu_ptr(dst_vxlan->dev->tstats);
@@ -1740,16 +1739,16 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan,
 
 	u64_stats_update_begin(&tx_stats->syncp);
 	tx_stats->tx_packets++;
-	tx_stats->tx_bytes += skb->len;
+	tx_stats->tx_bytes += len;
 	u64_stats_update_end(&tx_stats->syncp);
 
 	if (netif_rx(skb) == NET_RX_SUCCESS) {
 		u64_stats_update_begin(&rx_stats->syncp);
 		rx_stats->rx_packets++;
-		rx_stats->rx_bytes += skb->len;
+		rx_stats->rx_bytes += len;
 		u64_stats_update_end(&rx_stats->syncp);
 	} else {
-		skb->dev->stats.rx_dropped++;
+		dev->stats.rx_dropped++;
 	}
 }
 
@@ -1927,7 +1926,8 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 			return arp_reduce(dev, skb);
 #if IS_ENABLED(CONFIG_IPV6)
 		else if (ntohs(eth->h_proto) == ETH_P_IPV6 &&
-			 skb->len >= sizeof(struct ipv6hdr) + sizeof(struct nd_msg) &&
+			 pskb_may_pull(skb, sizeof(struct ipv6hdr)
+				       + sizeof(struct nd_msg)) &&
 			 ipv6_hdr(skb)->nexthdr == IPPROTO_ICMPV6) {
 				struct nd_msg *msg;
 
@@ -1936,6 +1936,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 				    msg->icmph.icmp6_type == NDISC_NEIGHBOUR_SOLICITATION)
 					return neigh_reduce(dev, skb);
 		}
+		eth = eth_hdr(skb);
 #endif
 	}
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index afb98f4..9133985 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -1095,6 +1095,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			     u32 queues, bool drop)
 {
 	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
+	u32 scd_queues;
 
 	mutex_lock(&priv->mutex);
 	IWL_DEBUG_MAC80211(priv, "enter\n");
@@ -1108,18 +1109,19 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		goto done;
 	}
 
-	/*
-	 * mac80211 will not push any more frames for transmit
-	 * until the flush is completed
-	 */
-	if (drop) {
-		IWL_DEBUG_MAC80211(priv, "send flush command\n");
-		if (iwlagn_txfifo_flush(priv, 0)) {
-			IWL_ERR(priv, "flush request fail\n");
-			goto done;
-		}
+	scd_queues = BIT(priv->cfg->base_params->num_of_queues) - 1;
+	scd_queues &= ~(BIT(IWL_IPAN_CMD_QUEUE_NUM) |
+			BIT(IWL_DEFAULT_CMD_QUEUE_NUM));
+
+	if (vif)
+		scd_queues &= ~BIT(vif->hw_queue[IEEE80211_AC_VO]);
+
+	IWL_DEBUG_TX_QUEUES(priv, "Flushing SCD queues: 0x%x\n", scd_queues);
+	if (iwlagn_txfifo_flush(priv, scd_queues)) {
+		IWL_ERR(priv, "flush request fail\n");
+		goto done;
 	}
-	IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
+	IWL_DEBUG_TX_QUEUES(priv, "wait transmit/flush all frames\n");
 	iwl_trans_wait_tx_queue_empty(priv->trans, 0xffffffff);
 done:
 	mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 656371a..86fb121 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -548,6 +548,7 @@ enum iwl_trans_state {
  *	Set during transport allocation.
  * @hw_id_str: a string with info about HW ID. Set during transport allocation.
  * @pm_support: set to true in start_hw if link pm is supported
+ * @ltr_enabled: set to true if the LTR is enabled
  * @dev_cmd_pool: pool for Tx cmd allocation - for internal use only.
  *	The user should use iwl_trans_{alloc,free}_tx_cmd.
  * @dev_cmd_headroom: room needed for the transport's private use before the
@@ -574,6 +575,7 @@ struct iwl_trans {
 	u8 rx_mpdu_cmd, rx_mpdu_cmd_hdr_size;
 
 	bool pm_support;
+	bool ltr_enabled;
 
 	/* The following fields are internal only */
 	struct kmem_cache *dev_cmd_pool;
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c
index ce71625..103fc93 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex.c
@@ -301,8 +301,8 @@ static const __le64 iwl_ci_mask[][3] = {
 };
 
 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
-	cpu_to_le32(0x28412201),
-	cpu_to_le32(0x11118451),
+	cpu_to_le32(0x2e402280),
+	cpu_to_le32(0x7711a751),
 };
 
 struct corunning_block_luts {
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
index a3be333..d55c2a8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
@@ -289,8 +289,8 @@ static const __le64 iwl_ci_mask[][3] = {
 };
 
 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
-	cpu_to_le32(0x28412201),
-	cpu_to_le32(0x11118451),
+	cpu_to_le32(0x2e402280),
+	cpu_to_le32(0x7711a751),
 };
 
 struct corunning_block_luts {
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
index c3a8c86..4d8932c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
@@ -66,13 +66,46 @@
 
 /* Power Management Commands, Responses, Notifications */
 
+/**
+ * enum iwl_ltr_config_flags - masks for LTR config command flags
+ * @LTR_CFG_FLAG_FEATURE_ENABLE: Feature operational status
+ * @LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS: allow LTR change on shadow
+ *	memory access
+ * @LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH: allow LTR msg send on ANY LTR
+ *	reg change
+ * @LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3: allow LTR msg send on transition from
+ *	D0 to D3
+ * @LTR_CFG_FLAG_SW_SET_SHORT: fixed static short LTR register
+ * @LTR_CFG_FLAG_SW_SET_LONG: fixed static short LONG register
+ * @LTR_CFG_FLAG_DENIE_C10_ON_PD: allow going into C10 on PD
+ */
+enum iwl_ltr_config_flags {
+	LTR_CFG_FLAG_FEATURE_ENABLE = BIT(0),
+	LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS = BIT(1),
+	LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH = BIT(2),
+	LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3 = BIT(3),
+	LTR_CFG_FLAG_SW_SET_SHORT = BIT(4),
+	LTR_CFG_FLAG_SW_SET_LONG = BIT(5),
+	LTR_CFG_FLAG_DENIE_C10_ON_PD = BIT(6),
+};
+
+/**
+ * struct iwl_ltr_config_cmd - configures the LTR
+ * @flags: See %enum iwl_ltr_config_flags
+ */
+struct iwl_ltr_config_cmd {
+	__le32 flags;
+	__le32 static_long;
+	__le32 static_short;
+} __packed;
+
 /* Radio LP RX Energy Threshold measured in dBm */
 #define POWER_LPRX_RSSI_THRESHOLD	75
 #define POWER_LPRX_RSSI_THRESHOLD_MAX	94
 #define POWER_LPRX_RSSI_THRESHOLD_MIN	30
 
 /**
- * enum iwl_scan_flags - masks for power table command flags
+ * enum iwl_power_flags - masks for power table command flags
  * @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
  *		receiver and transmitter. '0' - does not allow.
  * @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management,
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
index 9a922f3..7b73ed4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
@@ -148,6 +148,7 @@ enum {
 	/* Power - legacy power table command */
 	POWER_TABLE_CMD = 0x77,
 	PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78,
+	LTR_CONFIG = 0xee,
 
 	/* Thermal Throttling*/
 	REPLY_THERMAL_MNG_BACKOFF = 0x7e,
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index 883e702..bf720a8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -475,6 +475,15 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	/* Initialize tx backoffs to the minimal possible */
 	iwl_mvm_tt_tx_backoff(mvm, 0);
 
+	if (mvm->trans->ltr_enabled) {
+		struct iwl_ltr_config_cmd cmd = {
+			.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
+		};
+
+		WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
+					     sizeof(cmd), &cmd));
+	}
+
 	ret = iwl_mvm_power_update_device(mvm);
 	if (ret)
 		goto error;
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 610dbcb..d31a117 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -332,6 +332,7 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
 	CMD(REPLY_BEACON_FILTERING_CMD),
 	CMD(REPLY_THERMAL_MNG_BACKOFF),
 	CMD(MAC_PM_POWER_TABLE),
+	CMD(LTR_CONFIG),
 	CMD(BT_COEX_CI),
 	CMD(BT_COEX_UPDATE_SW_BOOST),
 	CMD(BT_COEX_UPDATE_CORUN_LUT),
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index 9ee410b..dbc8707 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -168,14 +168,10 @@ static void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm,
 
 	/*
 	 * for data packets, rate info comes from the table inside the fw. This
-	 * table is controlled by LINK_QUALITY commands. Exclude ctrl port
-	 * frames like EAPOLs which should be treated as mgmt frames. This
-	 * avoids them being sent initially in high rates which increases the
-	 * chances for completion of the 4-Way handshake.
+	 * table is controlled by LINK_QUALITY commands
 	 */
 
-	if (ieee80211_is_data(fc) && sta &&
-	    !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO)) {
+	if (ieee80211_is_data(fc) && sta) {
 		tx_cmd->initial_rate_index = 0;
 		tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_STA_RATE);
 		return;
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 06e04aa..d7231a8 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -172,6 +172,7 @@ static void iwl_pcie_apm_config(struct iwl_trans *trans)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	u16 lctl;
+	u16 cap;
 
 	/*
 	 * HW bug W/A for instability in PCIe bus L0S->L1 transition.
@@ -182,16 +183,17 @@ static void iwl_pcie_apm_config(struct iwl_trans *trans)
 	 *    power savings, even without L1.
 	 */
 	pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_LNKCTL, &lctl);
-	if (lctl & PCI_EXP_LNKCTL_ASPM_L1) {
-		/* L1-ASPM enabled; disable(!) L0S */
+	if (lctl & PCI_EXP_LNKCTL_ASPM_L1)
 		iwl_set_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-		dev_info(trans->dev, "L1 Enabled; Disabling L0S\n");
-	} else {
-		/* L1-ASPM disabled; enable(!) L0S */
+	else
 		iwl_clear_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-		dev_info(trans->dev, "L1 Disabled; Enabling L0S\n");
-	}
 	trans->pm_support = !(lctl & PCI_EXP_LNKCTL_ASPM_L0S);
+
+	pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_DEVCTL2, &cap);
+	trans->ltr_enabled = cap & PCI_EXP_DEVCTL2_LTR_EN;
+	dev_info(trans->dev, "L1 %sabled - LTR %sabled\n",
+		 (lctl & PCI_EXP_LNKCTL_ASPM_L1) ? "En" : "Dis",
+		 trans->ltr_enabled ? "En" : "Dis");
 }
 
 /*
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 7cf6081..ebd5625 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -52,6 +52,7 @@
  * RF5592 2.4G/5G 2T2R
  * RF3070 2.4G 1T1R
  * RF5360 2.4G 1T1R
+ * RF5362 2.4G 1T1R
  * RF5370 2.4G 1T1R
  * RF5390 2.4G 1T1R
  */
@@ -72,6 +73,7 @@
 #define RF3070				0x3070
 #define RF3290				0x3290
 #define RF5360				0x5360
+#define RF5362				0x5362
 #define RF5370				0x5370
 #define RF5372				0x5372
 #define RF5390				0x5390
@@ -2145,7 +2147,7 @@ struct mac_iveiv_entry {
 /* Bits [7-4] for RF3320 (RT3370/RT3390), on other chipsets reserved */
 #define RFCSR3_PA1_BIAS_CCK		FIELD8(0x70)
 #define RFCSR3_PA2_CASCODE_BIAS_CCKK	FIELD8(0x80)
-/* Bits for RF3290/RF5360/RF5370/RF5372/RF5390/RF5392 */
+/* Bits for RF3290/RF5360/RF5362/RF5370/RF5372/RF5390/RF5392 */
 #define RFCSR3_VCOCAL_EN		FIELD8(0x80)
 /* Bits for RF3050 */
 #define RFCSR3_BIT1			FIELD8(0x02)
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 893c9d5..9f57a2d 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -3186,6 +3186,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 		break;
 	case RF3070:
 	case RF5360:
+	case RF5362:
 	case RF5370:
 	case RF5372:
 	case RF5390:
@@ -3203,6 +3204,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	    rt2x00_rf(rt2x00dev, RF3290) ||
 	    rt2x00_rf(rt2x00dev, RF3322) ||
 	    rt2x00_rf(rt2x00dev, RF5360) ||
+	    rt2x00_rf(rt2x00dev, RF5362) ||
 	    rt2x00_rf(rt2x00dev, RF5370) ||
 	    rt2x00_rf(rt2x00dev, RF5372) ||
 	    rt2x00_rf(rt2x00dev, RF5390) ||
@@ -4317,6 +4319,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
 	case RF3070:
 	case RF3290:
 	case RF5360:
+	case RF5362:
 	case RF5370:
 	case RF5372:
 	case RF5390:
@@ -7095,6 +7098,7 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	case RF3320:
 	case RF3322:
 	case RF5360:
+	case RF5362:
 	case RF5370:
 	case RF5372:
 	case RF5390:
@@ -7551,6 +7555,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	case RF3320:
 	case RF3322:
 	case RF5360:
+	case RF5362:
 	case RF5370:
 	case RF5372:
 	case RF5390:
@@ -7680,6 +7685,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	case RF3070:
 	case RF3290:
 	case RF5360:
+	case RF5362:
 	case RF5370:
 	case RF5372:
 	case RF5390:
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 573897b..8444313 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1111,6 +1111,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	/* Ovislink */
 	{ USB_DEVICE(0x1b75, 0x3071) },
 	{ USB_DEVICE(0x1b75, 0x3072) },
+	{ USB_DEVICE(0x1b75, 0xa200) },
 	/* Para */
 	{ USB_DEVICE(0x20b8, 0x8888) },
 	/* Pegatron */
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 293ed4b..902b1b0 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1277,52 +1277,6 @@ int of_property_read_string(struct device_node *np, const char *propname,
 EXPORT_SYMBOL_GPL(of_property_read_string);
 
 /**
- * of_property_read_string_index - Find and read a string from a multiple
- * strings property.
- * @np:		device node from which the property value is to be read.
- * @propname:	name of the property to be searched.
- * @index:	index of the string in the list of strings
- * @out_string:	pointer to null terminated return string, modified only if
- *		return value is 0.
- *
- * Search for a property in a device tree node and retrieve a null
- * terminated string value (pointer to data, not a copy) in the list of strings
- * contained in that property.
- * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if
- * property does not have a value, and -EILSEQ if the string is not
- * null-terminated within the length of the property data.
- *
- * The out_string pointer is modified only if a valid string can be decoded.
- */
-int of_property_read_string_index(struct device_node *np, const char *propname,
-				  int index, const char **output)
-{
-	struct property *prop = of_find_property(np, propname, NULL);
-	int i = 0;
-	size_t l = 0, total = 0;
-	const char *p;
-
-	if (!prop)
-		return -EINVAL;
-	if (!prop->value)
-		return -ENODATA;
-	if (strnlen(prop->value, prop->length) >= prop->length)
-		return -EILSEQ;
-
-	p = prop->value;
-
-	for (i = 0; total < prop->length; total += l, p += l) {
-		l = strlen(p) + 1;
-		if (i++ == index) {
-			*output = p;
-			return 0;
-		}
-	}
-	return -ENODATA;
-}
-EXPORT_SYMBOL_GPL(of_property_read_string_index);
-
-/**
  * of_property_match_string() - Find string in a list and return index
  * @np: pointer to node containing string list property
  * @propname: string list property name
@@ -1348,7 +1302,7 @@ int of_property_match_string(struct device_node *np, const char *propname,
 	end = p + prop->length;
 
 	for (i = 0; p < end; i++, p += l) {
-		l = strlen(p) + 1;
+		l = strnlen(p, end - p) + 1;
 		if (p + l > end)
 			return -EILSEQ;
 		pr_debug("comparing %s with %s\n", string, p);
@@ -1360,39 +1314,41 @@ int of_property_match_string(struct device_node *np, const char *propname,
 EXPORT_SYMBOL_GPL(of_property_match_string);
 
 /**
- * of_property_count_strings - Find and return the number of strings from a
- * multiple strings property.
+ * of_property_read_string_util() - Utility helper for parsing string properties
  * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
+ * @out_strs:	output array of string pointers.
+ * @sz:		number of array elements to read.
+ * @skip:	Number of strings to skip over at beginning of list.
  *
- * Search for a property in a device tree node and retrieve the number of null
- * terminated string contain in it. Returns the number of strings on
- * success, -EINVAL if the property does not exist, -ENODATA if property
- * does not have a value, and -EILSEQ if the string is not null-terminated
- * within the length of the property data.
+ * Don't call this function directly. It is a utility helper for the
+ * of_property_read_string*() family of functions.
  */
-int of_property_count_strings(struct device_node *np, const char *propname)
+int of_property_read_string_helper(struct device_node *np, const char *propname,
+				   const char **out_strs, size_t sz, int skip)
 {
 	struct property *prop = of_find_property(np, propname, NULL);
-	int i = 0;
-	size_t l = 0, total = 0;
-	const char *p;
+	int l = 0, i = 0;
+	const char *p, *end;
 
 	if (!prop)
 		return -EINVAL;
 	if (!prop->value)
 		return -ENODATA;
-	if (strnlen(prop->value, prop->length) >= prop->length)
-		return -EILSEQ;
-
 	p = prop->value;
+	end = p + prop->length;
 
-	for (i = 0; total < prop->length; total += l, p += l, i++)
-		l = strlen(p) + 1;
-
-	return i;
+	for (i = 0; p < end && (!out_strs || i < skip + sz); i++, p += l) {
+		l = strnlen(p, end - p) + 1;
+		if (p + l > end)
+			return -EILSEQ;
+		if (out_strs && i >= skip)
+			*out_strs++ = p;
+	}
+	i -= skip;
+	return i <= 0 ? -ENODATA : i;
 }
-EXPORT_SYMBOL_GPL(of_property_count_strings);
+EXPORT_SYMBOL_GPL(of_property_read_string_helper);
 
 void of_print_phandle_args(const char *msg, const struct of_phandle_args *args)
 {
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index a737cb5..c92de69 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -247,8 +247,9 @@ static void __init of_selftest_parse_phandle_with_args(void)
 	selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
 }
 
-static void __init of_selftest_property_match_string(void)
+static void __init of_selftest_property_string(void)
 {
+	const char *strings[4];
 	struct device_node *np;
 	int rc;
 
@@ -265,13 +266,66 @@ static void __init of_selftest_property_match_string(void)
 	rc = of_property_match_string(np, "phandle-list-names", "third");
 	selftest(rc == 2, "third expected:0 got:%i\n", rc);
 	rc = of_property_match_string(np, "phandle-list-names", "fourth");
-	selftest(rc == -ENODATA, "unmatched string; rc=%i", rc);
+	selftest(rc == -ENODATA, "unmatched string; rc=%i\n", rc);
 	rc = of_property_match_string(np, "missing-property", "blah");
-	selftest(rc == -EINVAL, "missing property; rc=%i", rc);
+	selftest(rc == -EINVAL, "missing property; rc=%i\n", rc);
 	rc = of_property_match_string(np, "empty-property", "blah");
-	selftest(rc == -ENODATA, "empty property; rc=%i", rc);
+	selftest(rc == -ENODATA, "empty property; rc=%i\n", rc);
 	rc = of_property_match_string(np, "unterminated-string", "blah");
-	selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc);
+	selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
+
+	/* of_property_count_strings() tests */
+	rc = of_property_count_strings(np, "string-property");
+	selftest(rc == 1, "Incorrect string count; rc=%i\n", rc);
+	rc = of_property_count_strings(np, "phandle-list-names");
+	selftest(rc == 3, "Incorrect string count; rc=%i\n", rc);
+	rc = of_property_count_strings(np, "unterminated-string");
+	selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
+	rc = of_property_count_strings(np, "unterminated-string-list");
+	selftest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc);
+
+	/* of_property_read_string_index() tests */
+	rc = of_property_read_string_index(np, "string-property", 0, strings);
+	selftest(rc == 0 && !strcmp(strings[0], "foobar"), "of_property_read_string_index() failure; rc=%i\n", rc);
+	strings[0] = NULL;
+	rc = of_property_read_string_index(np, "string-property", 1, strings);
+	selftest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
+	rc = of_property_read_string_index(np, "phandle-list-names", 0, strings);
+	selftest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc);
+	rc = of_property_read_string_index(np, "phandle-list-names", 1, strings);
+	selftest(rc == 0 && !strcmp(strings[0], "second"), "of_property_read_string_index() failure; rc=%i\n", rc);
+	rc = of_property_read_string_index(np, "phandle-list-names", 2, strings);
+	selftest(rc == 0 && !strcmp(strings[0], "third"), "of_property_read_string_index() failure; rc=%i\n", rc);
+	strings[0] = NULL;
+	rc = of_property_read_string_index(np, "phandle-list-names", 3, strings);
+	selftest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
+	strings[0] = NULL;
+	rc = of_property_read_string_index(np, "unterminated-string", 0, strings);
+	selftest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
+	rc = of_property_read_string_index(np, "unterminated-string-list", 0, strings);
+	selftest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc);
+	strings[0] = NULL;
+	rc = of_property_read_string_index(np, "unterminated-string-list", 2, strings); /* should fail */
+	selftest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
+	strings[1] = NULL;
+
+	/* of_property_read_string_array() tests */
+	rc = of_property_read_string_array(np, "string-property", strings, 4);
+	selftest(rc == 1, "Incorrect string count; rc=%i\n", rc);
+	rc = of_property_read_string_array(np, "phandle-list-names", strings, 4);
+	selftest(rc == 3, "Incorrect string count; rc=%i\n", rc);
+	rc = of_property_read_string_array(np, "unterminated-string", strings, 4);
+	selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
+	/* -- An incorrectly formed string should cause a failure */
+	rc = of_property_read_string_array(np, "unterminated-string-list", strings, 4);
+	selftest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc);
+	/* -- parsing the correctly formed strings should still work: */
+	strings[2] = NULL;
+	rc = of_property_read_string_array(np, "unterminated-string-list", strings, 2);
+	selftest(rc == 2 && strings[2] == NULL, "of_property_read_string_array() failure; rc=%i\n", rc);
+	strings[1] = NULL;
+	rc = of_property_read_string_array(np, "phandle-list-names", strings, 1);
+	selftest(rc == 1 && strings[1] == NULL, "Overwrote end of string array; rc=%i, str='%s'\n", rc, strings[1]);
 }
 
 #define propcmp(p1, p2) (((p1)->length == (p2)->length) && \
@@ -783,7 +837,7 @@ static int __init of_selftest(void)
 	of_selftest_find_node_by_name();
 	of_selftest_dynamic();
 	of_selftest_parse_phandle_with_args();
-	of_selftest_property_match_string();
+	of_selftest_property_string();
 	of_selftest_property_copy();
 	of_selftest_changeset();
 	of_selftest_parse_interrupts();
diff --git a/drivers/of/testcase-data/tests-phandle.dtsi b/drivers/of/testcase-data/tests-phandle.dtsi
index ce0fe08..5b1527e 100644
--- a/drivers/of/testcase-data/tests-phandle.dtsi
+++ b/drivers/of/testcase-data/tests-phandle.dtsi
@@ -39,7 +39,9 @@
 				phandle-list-bad-args = <&provider2 1 0>,
 							<&provider3 0>;
 				empty-property;
+				string-property = "foobar";
 				unterminated-string = [40 41 42 43];
+				unterminated-string-list = "first", "second", [40 41 42 43];
 			};
 		};
 	};
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 76ef791..6d04771 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -185,7 +185,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR_RO(modalias);
 
-static ssize_t enabled_store(struct device *dev, struct device_attribute *attr,
+static ssize_t enable_store(struct device *dev, struct device_attribute *attr,
 			     const char *buf, size_t count)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
@@ -210,7 +210,7 @@ static ssize_t enabled_store(struct device *dev, struct device_attribute *attr,
 	return result < 0 ? result : count;
 }
 
-static ssize_t enabled_show(struct device *dev, struct device_attribute *attr,
+static ssize_t enable_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {
 	struct pci_dev *pdev;
@@ -218,7 +218,7 @@ static ssize_t enabled_show(struct device *dev, struct device_attribute *attr,
 	pdev = to_pci_dev(dev);
 	return sprintf(buf, "%u\n", atomic_read(&pdev->enable_cnt));
 }
-static DEVICE_ATTR_RW(enabled);
+static DEVICE_ATTR_RW(enable);
 
 #ifdef CONFIG_NUMA
 static ssize_t numa_node_show(struct device *dev, struct device_attribute *attr,
@@ -564,7 +564,7 @@ static struct attribute *pci_dev_attrs[] = {
 #endif
 	&dev_attr_dma_mask_bits.attr,
 	&dev_attr_consistent_dma_mask_bits.attr,
-	&dev_attr_enabled.attr,
+	&dev_attr_enable.attr,
 	&dev_attr_broken_parity_status.attr,
 	&dev_attr_msi_bus.attr,
 #if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index 93d7835..acc13f8 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -262,14 +262,16 @@ static int omap_usb2_probe(struct platform_device *pdev)
 	otg->phy		= &phy->phy;
 
 	platform_set_drvdata(pdev, phy);
+	pm_runtime_enable(phy->dev);
 
 	generic_phy = devm_phy_create(phy->dev, NULL, &ops, NULL);
-	if (IS_ERR(generic_phy))
+	if (IS_ERR(generic_phy)) {
+		pm_runtime_disable(phy->dev);
 		return PTR_ERR(generic_phy);
+	}
 
 	phy_set_drvdata(generic_phy, phy);
 
-	pm_runtime_enable(phy->dev);
 	phy_provider = devm_of_phy_provider_register(phy->dev,
 			of_phy_simple_xlate);
 	if (IS_ERR(phy_provider)) {
diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index e12e5b0..c23d8ded 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -318,7 +318,7 @@ static int byt_gpio_direction_output(struct gpio_chip *chip,
 		"Potential Error: Setting GPIO with direct_irq_en to output");
 
 	reg_val = readl(reg) | BYT_DIR_MASK;
-	reg_val &= ~BYT_OUTPUT_EN;
+	reg_val &= ~(BYT_OUTPUT_EN | BYT_INPUT_EN);
 
 	if (value)
 		writel(reg_val | BYT_LEVEL, reg);
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 96a0b75..26c4fd1 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -579,6 +579,17 @@ static const struct dmi_system_id video_vendor_dmi_table[] __initconst = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
 		},
 	},
+	{
+		/*
+		 * Note no video_set_backlight_video_vendor, we must use the
+		 * acer interface, as there is no native backlight interface.
+		 */
+		.ident = "Acer KAV80",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
+		},
+	},
 	{}
 };
 
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 5a59665..ff765d8 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1561,6 +1561,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
 	},
 	{
 	 .callback = samsung_dmi_matched,
+	 .ident = "NC210",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "NC210/NC110"),
+		DMI_MATCH(DMI_BOARD_NAME, "NC210/NC110"),
+		},
+	 .driver_data = &samsung_broken_acpi_video,
+	},
+	{
+	 .callback = samsung_dmi_matched,
 	 .ident = "730U3E/740U3E",
 	 .matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 9e4dab4..ef1f4c9 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -1720,6 +1720,11 @@ static int charger_manager_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
+	if (!desc->psy_fuel_gauge) {
+		dev_err(&pdev->dev, "No fuel gauge power supply defined\n");
+		return -EINVAL;
+	}
+
 	/* Counting index only */
 	while (desc->psy_charger_stat[i])
 		i++;
diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c
index c67ff05..d158f71 100644
--- a/drivers/regulator/max77693.c
+++ b/drivers/regulator/max77693.c
@@ -227,7 +227,7 @@ static int max77693_pmic_probe(struct platform_device *pdev)
 	struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent);
 	struct max77693_regulator_data *rdata = NULL;
 	int num_rdata, i;
-	struct regulator_config config;
+	struct regulator_config config = { };
 
 	num_rdata = max77693_pmic_init_rdata(&pdev->dev, &rdata);
 	if (!rdata || num_rdata <= 0) {
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index a168e96..54ef393 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -806,7 +806,7 @@ config RTC_DRV_DA9063
 
 config RTC_DRV_EFI
 	tristate "EFI RTC"
-	depends on EFI
+	depends on EFI && !X86
 	help
 	  If you say yes here you will get support for the EFI
 	  Real Time Clock.
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index e2beab9..4747d2c 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -757,7 +757,16 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess *sess)
 	pr_debug("fc_rport domain: port_id 0x%06x\n", nacl->nport_id);
 
 	node = btree_remove32(&lport->lport_fcport_map, nacl->nport_id);
-	WARN_ON(node && (node != se_nacl));
+	if (WARN_ON(node && (node != se_nacl))) {
+		/*
+		 * The nacl no longer matches what we think it should be.
+		 * Most likely a new dynamic acl has been added while
+		 * someone dropped the hardware lock.  It clearly is a
+		 * bug elsewhere, but this bit can't make things worse.
+		 */
+		btree_insert32(&lport->lport_fcport_map, nacl->nport_id,
+			       node, GFP_ATOMIC);
+	}
 
 	pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
 	    se_nacl, nacl->nport_wwnn, nacl->nport_id);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index aaea4b9..7cb8c73 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1887,6 +1887,11 @@ static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
 		req->cmd_flags |= REQ_DONTPREP;
 	}
 
+	if (blk_queue_tagged(q))
+		req->cmd_flags |= REQ_QUEUED;
+	else
+		req->cmd_flags &= ~REQ_QUEUED;
+
 	scsi_init_cmd_errh(cmd);
 	cmd->scsi_done = scsi_mq_done;
 
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 5021ddf..fde7113 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -46,7 +46,7 @@
 
 #define SPI_TCR			0x08
 
-#define SPI_CTAR(x)		(0x0c + (x * 4))
+#define SPI_CTAR(x)		(0x0c + (((x) & 0x3) * 4))
 #define SPI_CTAR_FMSZ(x)	(((x) & 0x0000000f) << 27)
 #define SPI_CTAR_CPOL(x)	((x) << 26)
 #define SPI_CTAR_CPHA(x)	((x) << 25)
@@ -70,7 +70,7 @@
 
 #define SPI_PUSHR		0x34
 #define SPI_PUSHR_CONT		(1 << 31)
-#define SPI_PUSHR_CTAS(x)	(((x) & 0x00000007) << 28)
+#define SPI_PUSHR_CTAS(x)	(((x) & 0x00000003) << 28)
 #define SPI_PUSHR_EOQ		(1 << 27)
 #define SPI_PUSHR_CTCNT	(1 << 26)
 #define SPI_PUSHR_PCS(x)	(((1 << x) & 0x0000003f) << 16)
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index f1f0a58..dbd576d 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1074,7 +1074,7 @@ err_rxdesc:
 		     pl022->sgt_tx.nents, DMA_TO_DEVICE);
 err_tx_sgmap:
 	dma_unmap_sg(rxchan->device->dev, pl022->sgt_rx.sgl,
-		     pl022->sgt_tx.nents, DMA_FROM_DEVICE);
+		     pl022->sgt_rx.nents, DMA_FROM_DEVICE);
 err_rx_sgmap:
 	sg_free_table(&pl022->sgt_tx);
 err_alloc_tx_sg:
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 46f45ca..9090dad 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1276,7 +1276,9 @@ static int pxa2xx_spi_suspend(struct device *dev)
 	if (status != 0)
 		return status;
 	write_SSCR0(0, drv_data->ioaddr);
-	clk_disable_unprepare(ssp->clk);
+
+	if (!pm_runtime_suspended(dev))
+		clk_disable_unprepare(ssp->clk);
 
 	return 0;
 }
@@ -1290,7 +1292,8 @@ static int pxa2xx_spi_resume(struct device *dev)
 	pxa2xx_spi_dma_resume(drv_data);
 
 	/* Enable the SSP clock */
-	clk_prepare_enable(ssp->clk);
+	if (!pm_runtime_suspended(dev))
+		clk_prepare_enable(ssp->clk);
 
 	/* Restore LPSS private register bits */
 	lpss_ssp_setup(drv_data);
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 2182c74..7a2e9c0 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -1462,10 +1462,7 @@ static int __comedi_get_user_chanlist(struct comedi_device *dev,
 	unsigned int *chanlist;
 	int ret;
 
-	/* user_chanlist could be NULL for do_cmdtest ioctls */
-	if (!user_chanlist)
-		return 0;
-
+	cmd->chanlist = NULL;
 	chanlist = memdup_user(user_chanlist,
 			       cmd->chanlist_len * sizeof(unsigned int));
 	if (IS_ERR(chanlist))
@@ -1609,13 +1606,18 @@ static int do_cmdtest_ioctl(struct comedi_device *dev,
 
 	s = &dev->subdevices[cmd.subdev];
 
-	/* load channel/gain list */
-	ret = __comedi_get_user_chanlist(dev, s, user_chanlist, &cmd);
-	if (ret)
-		return ret;
+	/* user_chanlist can be NULL for COMEDI_CMDTEST ioctl */
+	if (user_chanlist) {
+		/* load channel/gain list */
+		ret = __comedi_get_user_chanlist(dev, s, user_chanlist, &cmd);
+		if (ret)
+			return ret;
+	}
 
 	ret = s->do_cmdtest(dev, s, &cmd);
 
+	kfree(cmd.chanlist);	/* free kernel copy of user chanlist */
+
 	/* restore chanlist pointer before copying back */
 	cmd.chanlist = (unsigned int __force *)user_chanlist;
 
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 468327f..d343611 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -1565,14 +1565,16 @@ static int mxs_lradc_probe(struct platform_device *pdev)
 	/* Grab all IRQ sources */
 	for (i = 0; i < of_cfg->irq_count; i++) {
 		lradc->irq[i] = platform_get_irq(pdev, i);
-		if (lradc->irq[i] < 0)
-			return lradc->irq[i];
+		if (lradc->irq[i] < 0) {
+			ret = lradc->irq[i];
+			goto err_clk;
+		}
 
 		ret = devm_request_irq(dev, lradc->irq[i],
 					mxs_lradc_handle_irq, 0,
 					of_cfg->irq_name[i], iio);
 		if (ret)
-			return ret;
+			goto err_clk;
 	}
 
 	lradc->vref_mv = of_cfg->vref_mv;
@@ -1594,7 +1596,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
 				&mxs_lradc_trigger_handler,
 				&mxs_lradc_buffer_ops);
 	if (ret)
-		return ret;
+		goto err_clk;
 
 	ret = mxs_lradc_trigger_init(iio);
 	if (ret)
@@ -1649,6 +1651,8 @@ err_dev:
 	mxs_lradc_trigger_remove(iio);
 err_trig:
 	iio_triggered_buffer_cleanup(iio);
+err_clk:
+	clk_disable_unprepare(lradc->clk);
 	return ret;
 }
 
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 2b96665..97d4b3f 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -115,6 +115,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
 		.channel = 0,
 		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
 		.address = AD5933_REG_TEMP_DATA,
+		.scan_index = -1,
 		.scan_type = {
 			.sign = 's',
 			.realbits = 14,
@@ -124,9 +125,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "real_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-		BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "real",
 		.address = AD5933_REG_REAL_DATA,
 		.scan_index = 0,
 		.scan_type = {
@@ -138,9 +137,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "imag_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-		BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "imag",
 		.address = AD5933_REG_IMAG_DATA,
 		.scan_index = 1,
 		.scan_type = {
@@ -748,14 +745,14 @@ static int ad5933_probe(struct i2c_client *client,
 	indio_dev->name = id->name;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->channels = ad5933_channels;
-	indio_dev->num_channels = 1; /* only register temp0_input */
+	indio_dev->num_channels = ARRAY_SIZE(ad5933_channels);
 
 	ret = ad5933_register_ring_funcs_and_init(indio_dev);
 	if (ret)
 		goto error_disable_reg;
 
-	/* skip temp0_input, register in0_(real|imag)_raw */
-	ret = iio_buffer_register(indio_dev, &ad5933_channels[1], 2);
+	ret = iio_buffer_register(indio_dev, ad5933_channels,
+		ARRAY_SIZE(ad5933_channels));
 	if (ret)
 		goto error_unreg_ring;
 
diff --git a/drivers/staging/iio/meter/ade7758.h b/drivers/staging/iio/meter/ade7758.h
index 0731820..e8c98cf 100644
--- a/drivers/staging/iio/meter/ade7758.h
+++ b/drivers/staging/iio/meter/ade7758.h
@@ -119,7 +119,6 @@ struct ade7758_state {
 	u8			*tx;
 	u8			*rx;
 	struct mutex		buf_lock;
-	const struct iio_chan_spec *ade7758_ring_channels;
 	struct spi_transfer	ring_xfer[4];
 	struct spi_message	ring_msg;
 	/*
diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c
index cba183e..94d9914 100644
--- a/drivers/staging/iio/meter/ade7758_core.c
+++ b/drivers/staging/iio/meter/ade7758_core.c
@@ -630,9 +630,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.address = AD7758_WT(AD7758_PHASE_A, AD7758_VOLTAGE),
 		.scan_index = 0,
 		.scan_type = {
@@ -644,9 +641,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_CURRENT,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.address = AD7758_WT(AD7758_PHASE_A, AD7758_CURRENT),
 		.scan_index = 1,
 		.scan_type = {
@@ -658,9 +652,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "apparent_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "apparent",
 		.address = AD7758_WT(AD7758_PHASE_A, AD7758_APP_PWR),
 		.scan_index = 2,
 		.scan_type = {
@@ -672,9 +664,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "active_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "active",
 		.address = AD7758_WT(AD7758_PHASE_A, AD7758_ACT_PWR),
 		.scan_index = 3,
 		.scan_type = {
@@ -686,9 +676,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "reactive_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "reactive",
 		.address = AD7758_WT(AD7758_PHASE_A, AD7758_REACT_PWR),
 		.scan_index = 4,
 		.scan_type = {
@@ -700,9 +688,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 1,
-		.extend_name = "raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.address = AD7758_WT(AD7758_PHASE_B, AD7758_VOLTAGE),
 		.scan_index = 5,
 		.scan_type = {
@@ -714,9 +699,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_CURRENT,
 		.indexed = 1,
 		.channel = 1,
-		.extend_name = "raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.address = AD7758_WT(AD7758_PHASE_B, AD7758_CURRENT),
 		.scan_index = 6,
 		.scan_type = {
@@ -728,9 +710,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 1,
-		.extend_name = "apparent_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "apparent",
 		.address = AD7758_WT(AD7758_PHASE_B, AD7758_APP_PWR),
 		.scan_index = 7,
 		.scan_type = {
@@ -742,9 +722,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 1,
-		.extend_name = "active_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "active",
 		.address = AD7758_WT(AD7758_PHASE_B, AD7758_ACT_PWR),
 		.scan_index = 8,
 		.scan_type = {
@@ -756,9 +734,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 1,
-		.extend_name = "reactive_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "reactive",
 		.address = AD7758_WT(AD7758_PHASE_B, AD7758_REACT_PWR),
 		.scan_index = 9,
 		.scan_type = {
@@ -770,9 +746,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 2,
-		.extend_name = "raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.address = AD7758_WT(AD7758_PHASE_C, AD7758_VOLTAGE),
 		.scan_index = 10,
 		.scan_type = {
@@ -784,9 +757,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_CURRENT,
 		.indexed = 1,
 		.channel = 2,
-		.extend_name = "raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.address = AD7758_WT(AD7758_PHASE_C, AD7758_CURRENT),
 		.scan_index = 11,
 		.scan_type = {
@@ -798,9 +768,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 2,
-		.extend_name = "apparent_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "apparent",
 		.address = AD7758_WT(AD7758_PHASE_C, AD7758_APP_PWR),
 		.scan_index = 12,
 		.scan_type = {
@@ -812,9 +780,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 2,
-		.extend_name = "active_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "active",
 		.address = AD7758_WT(AD7758_PHASE_C, AD7758_ACT_PWR),
 		.scan_index = 13,
 		.scan_type = {
@@ -826,9 +792,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
 		.type = IIO_POWER,
 		.indexed = 1,
 		.channel = 2,
-		.extend_name = "reactive_raw",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
-		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+		.extend_name = "reactive",
 		.address = AD7758_WT(AD7758_PHASE_C, AD7758_REACT_PWR),
 		.scan_index = 14,
 		.scan_type = {
@@ -869,13 +833,14 @@ static int ade7758_probe(struct spi_device *spi)
 		goto error_free_rx;
 	}
 	st->us = spi;
-	st->ade7758_ring_channels = &ade7758_channels[0];
 	mutex_init(&st->buf_lock);
 
 	indio_dev->name = spi->dev.driver->name;
 	indio_dev->dev.parent = &spi->dev;
 	indio_dev->info = &ade7758_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->channels = ade7758_channels;
+	indio_dev->num_channels = ARRAY_SIZE(ade7758_channels);
 
 	ret = ade7758_configure_ring(indio_dev);
 	if (ret)
diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c
index c0accf8..6e90064 100644
--- a/drivers/staging/iio/meter/ade7758_ring.c
+++ b/drivers/staging/iio/meter/ade7758_ring.c
@@ -85,17 +85,16 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p)
  **/
 static int ade7758_ring_preenable(struct iio_dev *indio_dev)
 {
-	struct ade7758_state *st = iio_priv(indio_dev);
 	unsigned channel;
 
-	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
+	if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
 		return -EINVAL;
 
 	channel = find_first_bit(indio_dev->active_scan_mask,
 				 indio_dev->masklength);
 
 	ade7758_write_waveform_type(&indio_dev->dev,
-		st->ade7758_ring_channels[channel].address);
+		indio_dev->channels[channel].address);
 
 	return 0;
 }
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 98da901..15a1c13 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -1409,7 +1409,8 @@ int core_dev_add_initiator_node_lun_acl(
 	 * Check to see if there are any existing persistent reservation APTPL
 	 * pre-registrations that need to be enabled for this LUN ACL..
 	 */
-	core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, lacl);
+	core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, nacl,
+					    lacl->mapped_lun);
 	return 0;
 }
 
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index df35786..1aadcfc 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -944,10 +944,10 @@ int core_scsi3_check_aptpl_registration(
 	struct se_device *dev,
 	struct se_portal_group *tpg,
 	struct se_lun *lun,
-	struct se_lun_acl *lun_acl)
+	struct se_node_acl *nacl,
+	u32 mapped_lun)
 {
-	struct se_node_acl *nacl = lun_acl->se_lun_nacl;
-	struct se_dev_entry *deve = nacl->device_list[lun_acl->mapped_lun];
+	struct se_dev_entry *deve = nacl->device_list[mapped_lun];
 
 	if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
 		return 0;
diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h
index 2ee2936..749fd7b 100644
--- a/drivers/target/target_core_pr.h
+++ b/drivers/target/target_core_pr.h
@@ -60,7 +60,7 @@ extern int core_scsi3_alloc_aptpl_registration(
 			unsigned char *, u16, u32, int, int, u8);
 extern int core_scsi3_check_aptpl_registration(struct se_device *,
 			struct se_portal_group *, struct se_lun *,
-			struct se_lun_acl *);
+			struct se_node_acl *, u32);
 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
 					     struct se_node_acl *);
 extern void core_scsi3_free_all_registrations(struct se_device *);
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index fddfae6..8d8ecfb 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -40,6 +40,7 @@
 #include <target/target_core_fabric.h>
 
 #include "target_core_internal.h"
+#include "target_core_pr.h"
 
 extern struct se_device *g_lun0_dev;
 
@@ -166,6 +167,13 @@ void core_tpg_add_node_to_devs(
 
 		core_enable_device_list_for_node(lun, NULL, lun->unpacked_lun,
 				lun_access, acl, tpg);
+		/*
+		 * Check to see if there are any existing persistent reservation
+		 * APTPL pre-registrations that need to be enabled for this dynamic
+		 * LUN ACL now..
+		 */
+		core_scsi3_check_aptpl_registration(dev, tpg, lun, acl,
+						    lun->unpacked_lun);
 		spin_lock(&tpg->tpg_lun_lock);
 	}
 	spin_unlock(&tpg->tpg_lun_lock);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 7fa62fc..ab61014 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1877,8 +1877,7 @@ static void transport_complete_qf(struct se_cmd *cmd)
 	if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) {
 		trace_target_cmd_complete(cmd);
 		ret = cmd->se_tfo->queue_status(cmd);
-		if (ret)
-			goto out;
+		goto out;
 	}
 
 	switch (cmd->data_direction) {
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 0da0b54..077570a 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -683,17 +683,6 @@ static void msm_power(struct uart_port *port, unsigned int state,
 }
 
 #ifdef CONFIG_CONSOLE_POLL
-static int msm_poll_init(struct uart_port *port)
-{
-	struct msm_port *msm_port = UART_TO_MSM(port);
-
-	/* Enable single character mode on RX FIFO */
-	if (msm_port->is_uartdm >= UARTDM_1P4)
-		msm_write(port, UARTDM_DMEN_RX_SC_ENABLE, UARTDM_DMEN);
-
-	return 0;
-}
-
 static int msm_poll_get_char_single(struct uart_port *port)
 {
 	struct msm_port *msm_port = UART_TO_MSM(port);
@@ -705,7 +694,7 @@ static int msm_poll_get_char_single(struct uart_port *port)
 		return msm_read(port, rf_reg) & 0xff;
 }
 
-static int msm_poll_get_char_dm_1p3(struct uart_port *port)
+static int msm_poll_get_char_dm(struct uart_port *port)
 {
 	int c;
 	static u32 slop;
@@ -729,6 +718,10 @@ static int msm_poll_get_char_dm_1p3(struct uart_port *port)
 			slop = msm_read(port, UARTDM_RF);
 			c = sp[0];
 			count--;
+			msm_write(port, UART_CR_CMD_RESET_STALE_INT, UART_CR);
+			msm_write(port, 0xFFFFFF, UARTDM_DMRX);
+			msm_write(port, UART_CR_CMD_STALE_EVENT_ENABLE,
+				  UART_CR);
 		} else {
 			c = NO_POLL_CHAR;
 		}
@@ -752,8 +745,8 @@ static int msm_poll_get_char(struct uart_port *port)
 	imr = msm_read(port, UART_IMR);
 	msm_write(port, 0, UART_IMR);
 
-	if (msm_port->is_uartdm == UARTDM_1P3)
-		c = msm_poll_get_char_dm_1p3(port);
+	if (msm_port->is_uartdm)
+		c = msm_poll_get_char_dm(port);
 	else
 		c = msm_poll_get_char_single(port);
 
@@ -812,7 +805,6 @@ static struct uart_ops msm_uart_pops = {
 	.verify_port = msm_verify_port,
 	.pm = msm_power,
 #ifdef CONFIG_CONSOLE_POLL
-	.poll_init = msm_poll_init,
 	.poll_get_char	= msm_poll_get_char,
 	.poll_put_char	= msm_poll_put_char,
 #endif
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 29a7be4..0f03988 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -362,7 +362,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
 		 * The spd_hi, spd_vhi, spd_shi, spd_warp kludge...
 		 * Die! Die! Die!
 		 */
-		if (baud == 38400)
+		if (try == 0 && baud == 38400)
 			baud = altbaud;
 
 		/*
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 8fbad34..848c17a 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1686,6 +1686,7 @@ int tty_release(struct inode *inode, struct file *filp)
 	int	pty_master, tty_closing, o_tty_closing, do_sleep;
 	int	idx;
 	char	buf[64];
+	long	timeout = 0;
 
 	if (tty_paranoia_check(tty, inode, __func__))
 		return 0;
@@ -1770,7 +1771,11 @@ int tty_release(struct inode *inode, struct file *filp)
 				__func__, tty_name(tty, buf));
 		tty_unlock_pair(tty, o_tty);
 		mutex_unlock(&tty_mutex);
-		schedule();
+		schedule_timeout_killable(timeout);
+		if (timeout < 120 * HZ)
+			timeout = 2 * timeout + 1;
+		else
+			timeout = MAX_SCHEDULE_TIMEOUT;
 	}
 
 	/*
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index 610b720..59b25e0 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -539,6 +539,12 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 
 	/* Save original vc_unipagdir_loc in case we allocate a new one */
 	p = *vc->vc_uni_pagedir_loc;
+
+	if (!p) {
+		err = -EINVAL;
+
+		goto out_unlock;
+	}
 	
 	if (p->refcount > 1) {
 		int j, k;
@@ -623,6 +629,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 		set_inverse_transl(vc, p, i); /* Update inverse translations */
 	set_inverse_trans_unicode(vc, p);
 
+out_unlock:
 	console_unlock();
 	return err;
 }
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 619d13e..4ecb650 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -732,7 +732,6 @@ static int ci_hdrc_remove(struct platform_device *pdev)
 	ci_role_destroy(ci);
 	ci_hdrc_enter_lpm(ci, true);
 	usb_phy_shutdown(ci->transceiver);
-	kfree(ci->hw_bank.regmap);
 
 	return 0;
 }
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e934e19..7daaef1 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -145,8 +145,15 @@ static int acm_ctrl_msg(struct acm *acm, int request, int value,
 /* devices aren't required to support these requests.
  * the cdc acm descriptor tells whether they do...
  */
-#define acm_set_control(acm, control) \
-	acm_ctrl_msg(acm, USB_CDC_REQ_SET_CONTROL_LINE_STATE, control, NULL, 0)
+static inline int acm_set_control(struct acm *acm, int control)
+{
+	if (acm->quirks & QUIRK_CONTROL_LINE_STATE)
+		return -EOPNOTSUPP;
+
+	return acm_ctrl_msg(acm, USB_CDC_REQ_SET_CONTROL_LINE_STATE,
+			control, NULL, 0);
+}
+
 #define acm_set_line(acm, line) \
 	acm_ctrl_msg(acm, USB_CDC_REQ_SET_LINE_CODING, 0, line, sizeof *(line))
 #define acm_send_break(acm, ms) \
@@ -980,11 +987,12 @@ static void acm_tty_set_termios(struct tty_struct *tty,
 	/* FIXME: Needs to clear unsupported bits in the termios */
 	acm->clocal = ((termios->c_cflag & CLOCAL) != 0);
 
-	if (!newline.dwDTERate) {
+	if (C_BAUD(tty) == B0) {
 		newline.dwDTERate = acm->line.dwDTERate;
 		newctrl &= ~ACM_CTRL_DTR;
-	} else
+	} else if (termios_old && (termios_old->c_cflag & CBAUD) == B0) {
 		newctrl |=  ACM_CTRL_DTR;
+	}
 
 	if (newctrl != acm->ctrlout)
 		acm_set_control(acm, acm->ctrlout = newctrl);
@@ -1314,6 +1322,7 @@ made_compressed_probe:
 	tty_port_init(&acm->port);
 	acm->port.ops = &acm_port_ops;
 	init_usb_anchor(&acm->delayed);
+	acm->quirks = quirks;
 
 	buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
 	if (!buf) {
@@ -1681,6 +1690,9 @@ static const struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
 	},
+	{ USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */
+	.driver_info = QUIRK_CONTROL_LINE_STATE, },
+	{ USB_DEVICE(0x2184, 0x001c) },	/* GW Instek AFG-2225 */
 	{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
 	},
 	/* Motorola H24 HSPA module: */
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index fc75651..d3251eb 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -121,6 +121,7 @@ struct acm {
 	unsigned int throttle_req:1;			/* throttle requested */
 	u8 bInterval;
 	struct usb_anchor delayed;			/* writes queued for a device about to be woken */
+	unsigned long quirks;
 };
 
 #define CDC_DATA_INTERFACE_TYPE	0x0a
@@ -132,3 +133,4 @@ struct acm {
 #define NOT_A_MODEM			BIT(3)
 #define NO_DATA_INTERFACE		BIT(4)
 #define IGNORE_DEVICE			BIT(5)
+#define QUIRK_CONTROL_LINE_STATE	BIT(6)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 487abcf..258e6fe 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2057,6 +2057,8 @@ int usb_alloc_streams(struct usb_interface *interface,
 		return -EINVAL;
 	if (dev->speed != USB_SPEED_SUPER)
 		return -EINVAL;
+	if (dev->state < USB_STATE_CONFIGURED)
+		return -ENODEV;
 
 	for (i = 0; i < num_eps; i++) {
 		/* Streams only apply to bulk endpoints. */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index dc84915..674c262 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4540,6 +4540,9 @@ check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1)
 	struct usb_qualifier_descriptor	*qual;
 	int				status;
 
+	if (udev->quirks & USB_QUIRK_DEVICE_QUALIFIER)
+		return;
+
 	qual = kmalloc (sizeof *qual, GFP_KERNEL);
 	if (qual == NULL)
 		return;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 814e712..39b4081 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -93,6 +93,16 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
 
+	/* Elan Touchscreen */
+	{ USB_DEVICE(0x04f3, 0x0089), .driver_info =
+			USB_QUIRK_DEVICE_QUALIFIER },
+
+	{ USB_DEVICE(0x04f3, 0x009b), .driver_info =
+			USB_QUIRK_DEVICE_QUALIFIER },
+
+	{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
+			USB_QUIRK_DEVICE_QUALIFIER },
+
 	/* Roland SC-8820 */
 	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index fc0de375..97a5a0c 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -599,7 +599,7 @@ static int dwc3_omap_prepare(struct device *dev)
 {
 	struct dwc3_omap	*omap = dev_get_drvdata(dev);
 
-	dwc3_omap_write_irqmisc_set(omap, 0x00);
+	dwc3_omap_disable_irqs(omap);
 
 	return 0;
 }
@@ -607,19 +607,8 @@ static int dwc3_omap_prepare(struct device *dev)
 static void dwc3_omap_complete(struct device *dev)
 {
 	struct dwc3_omap	*omap = dev_get_drvdata(dev);
-	u32			reg;
 
-	reg = (USBOTGSS_IRQMISC_OEVT |
-			USBOTGSS_IRQMISC_DRVVBUS_RISE |
-			USBOTGSS_IRQMISC_CHRGVBUS_RISE |
-			USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
-			USBOTGSS_IRQMISC_IDPULLUP_RISE |
-			USBOTGSS_IRQMISC_DRVVBUS_FALL |
-			USBOTGSS_IRQMISC_CHRGVBUS_FALL |
-			USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
-			USBOTGSS_IRQMISC_IDPULLUP_FALL);
-
-	dwc3_omap_write_irqmisc_set(omap, reg);
+	dwc3_omap_enable_irqs(omap);
 }
 
 static int dwc3_omap_suspend(struct device *dev)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 21a3520..0985ff7 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -251,7 +251,7 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
 
 	/* stall is always issued on EP0 */
 	dep = dwc->eps[0];
-	__dwc3_gadget_ep_set_halt(dep, 1);
+	__dwc3_gadget_ep_set_halt(dep, 1, false);
 	dep->flags = DWC3_EP_ENABLED;
 	dwc->delayed_status = false;
 
@@ -461,7 +461,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
 				return -EINVAL;
 			if (set == 0 && (dep->flags & DWC3_EP_WEDGE))
 				break;
-			ret = __dwc3_gadget_ep_set_halt(dep, set);
+			ret = __dwc3_gadget_ep_set_halt(dep, set, true);
 			if (ret)
 				return -EINVAL;
 			break;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 490a6ca..8cbbb54 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -615,12 +615,11 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep,
 		if (!usb_endpoint_xfer_isoc(desc))
 			return 0;
 
-		memset(&trb_link, 0, sizeof(trb_link));
-
 		/* Link TRB for ISOC. The HWO bit is never reset */
 		trb_st_hw = &dep->trb_pool[0];
 
 		trb_link = &dep->trb_pool[DWC3_TRB_NUM - 1];
+		memset(trb_link, 0, sizeof(*trb_link));
 
 		trb_link->bpl = lower_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw));
 		trb_link->bph = upper_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw));
@@ -671,7 +670,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
 
 	/* make sure HW endpoint isn't stalled */
 	if (dep->flags & DWC3_EP_STALL)
-		__dwc3_gadget_ep_set_halt(dep, 0);
+		__dwc3_gadget_ep_set_halt(dep, 0, false);
 
 	reg = dwc3_readl(dwc->regs, DWC3_DALEPENA);
 	reg &= ~DWC3_DALEPENA_EP(dep->number);
@@ -1287,7 +1286,7 @@ out0:
 	return ret;
 }
 
-int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
+int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
 {
 	struct dwc3_gadget_ep_cmd_params	params;
 	struct dwc3				*dwc = dep->dwc;
@@ -1296,6 +1295,14 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
 	memset(&params, 0x00, sizeof(params));
 
 	if (value) {
+		if (!protocol && ((dep->direction && dep->flags & DWC3_EP_BUSY) ||
+				(!list_empty(&dep->req_queued) ||
+				 !list_empty(&dep->request_list)))) {
+			dev_dbg(dwc->dev, "%s: pending request, cannot halt\n",
+					dep->name);
+			return -EAGAIN;
+		}
+
 		ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
 			DWC3_DEPCMD_SETSTALL, &params);
 		if (ret)
@@ -1333,7 +1340,7 @@ static int dwc3_gadget_ep_set_halt(struct usb_ep *ep, int value)
 		goto out;
 	}
 
-	ret = __dwc3_gadget_ep_set_halt(dep, value);
+	ret = __dwc3_gadget_ep_set_halt(dep, value, false);
 out:
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
@@ -1353,7 +1360,7 @@ static int dwc3_gadget_ep_set_wedge(struct usb_ep *ep)
 	if (dep->number == 0 || dep->number == 1)
 		return dwc3_gadget_ep0_set_halt(ep, 1);
 	else
-		return dwc3_gadget_ep_set_halt(ep, 1);
+		return __dwc3_gadget_ep_set_halt(dep, 1, false);
 }
 
 /* -------------------------------------------------------------------------- */
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index a0ee75b..ac625582 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -85,7 +85,7 @@ void dwc3_ep0_out_start(struct dwc3 *dwc);
 int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
 int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
 		gfp_t gfp_flags);
-int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value);
+int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
 
 /**
  * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index ab1065a..3384486 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -430,11 +430,12 @@ static int acm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 		if (acm->notify->driver_data) {
 			VDBG(cdev, "reset acm control interface %d\n", intf);
 			usb_ep_disable(acm->notify);
-		} else {
-			VDBG(cdev, "init acm ctrl interface %d\n", intf);
+		}
+
+		if (!acm->notify->desc)
 			if (config_ep_by_speed(cdev->gadget, f, acm->notify))
 				return -EINVAL;
-		}
+
 		usb_ep_enable(acm->notify);
 		acm->notify->driver_data = acm;
 
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 7ad7137..a3c277c 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -648,15 +648,26 @@ static void ffs_user_copy_worker(struct work_struct *work)
 	if (io_data->read && ret > 0) {
 		int i;
 		size_t pos = 0;
+
+		/*
+		 * Since req->length may be bigger than io_data->len (after
+		 * being rounded up to maxpacketsize), we may end up with more
+		 * data then user space has space for.
+		 */
+		ret = min_t(int, ret, io_data->len);
+
 		use_mm(io_data->mm);
 		for (i = 0; i < io_data->nr_segs; i++) {
+			size_t len = min_t(size_t, ret - pos,
+					io_data->iovec[i].iov_len);
+			if (!len)
+				break;
 			if (unlikely(copy_to_user(io_data->iovec[i].iov_base,
-						 &io_data->buf[pos],
-						 io_data->iovec[i].iov_len))) {
+						 &io_data->buf[pos], len))) {
 				ret = -EFAULT;
 				break;
 			}
-			pos += io_data->iovec[i].iov_len;
+			pos += len;
 		}
 		unuse_mm(io_data->mm);
 	}
@@ -688,7 +699,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 	struct ffs_epfile *epfile = file->private_data;
 	struct ffs_ep *ep;
 	char *data = NULL;
-	ssize_t ret, data_len;
+	ssize_t ret, data_len = -EINVAL;
 	int halt;
 
 	/* Are we still active? */
@@ -788,13 +799,30 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 		/* Fire the request */
 		struct usb_request *req;
 
+		/*
+		 * Sanity Check: even though data_len can't be used
+		 * uninitialized at the time I write this comment, some
+		 * compilers complain about this situation.
+		 * In order to keep the code clean from warnings, data_len is
+		 * being initialized to -EINVAL during its declaration, which
+		 * means we can't rely on compiler anymore to warn no future
+		 * changes won't result in data_len being used uninitialized.
+		 * For such reason, we're adding this redundant sanity check
+		 * here.
+		 */
+		if (unlikely(data_len == -EINVAL)) {
+			WARN(1, "%s: data_len == -EINVAL\n", __func__);
+			ret = -EINVAL;
+			goto error_lock;
+		}
+
 		if (io_data->aio) {
 			req = usb_ep_alloc_request(ep->ep, GFP_KERNEL);
 			if (unlikely(!req))
 				goto error_lock;
 
 			req->buf      = data;
-			req->length   = io_data->len;
+			req->length   = data_len;
 
 			io_data->buf = data;
 			io_data->ep = ep->ep;
@@ -816,7 +844,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 
 			req = ep->req;
 			req->buf      = data;
-			req->length   = io_data->len;
+			req->length   = data_len;
 
 			req->context  = &done;
 			req->complete = ffs_epfile_io_complete;
@@ -2626,8 +2654,6 @@ static inline struct f_fs_opts *ffs_do_functionfs_bind(struct usb_function *f,
 	func->conf = c;
 	func->gadget = c->cdev->gadget;
 
-	ffs_data_get(func->ffs);
-
 	/*
 	 * in drivers/usb/gadget/configfs.c:configfs_composite_bind()
 	 * configurations are bound in sequence with list_for_each_entry,
diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c
index b0d9817..38913ea 100644
--- a/drivers/usb/gadget/udc/udc-core.c
+++ b/drivers/usb/gadget/udc/udc-core.c
@@ -458,6 +458,11 @@ static ssize_t usb_udc_softconn_store(struct device *dev,
 {
 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);
 
+	if (!udc->driver) {
+		dev_err(dev, "soft-connect without a gadget driver\n");
+		return -EOPNOTSUPP;
+	}
+
 	if (sysfs_streq(buf, "connect")) {
 		usb_gadget_udc_start(udc->gadget, udc->driver);
 		usb_gadget_connect(udc->gadget);
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 82800a7..6f1d48e 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -220,7 +220,7 @@ config USB_EHCI_SH
 
 config USB_EHCI_EXYNOS
        tristate "EHCI support for Samsung S5P/EXYNOS SoC Series"
-       depends on PLAT_S5P || ARCH_EXYNOS
+       depends on ARCH_S5PV210 || ARCH_EXYNOS
        help
 	Enable support for the Samsung Exynos SOC's on-chip EHCI controller.
 
@@ -527,7 +527,7 @@ config USB_OHCI_SH
 
 config USB_OHCI_EXYNOS
 	tristate "OHCI support for Samsung S5P/EXYNOS SoC Series"
-	depends on PLAT_S5P || ARCH_EXYNOS
+	depends on ARCH_S5PV210 || ARCH_EXYNOS
 	help
 	 Enable support for the Samsung Exynos SOC's on-chip OHCI controller.
 
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index c22a3e1..d125568 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -126,20 +126,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		xhci->quirks |= XHCI_AVOID_BEI;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
-	    (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI ||
-	     pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI)) {
-		/* Workaround for occasional spurious wakeups from S5 (or
-		 * any other sleep) on Haswell machines with LPT and LPT-LP
-		 * with the new Intel BIOS
-		 */
-		/* Limit the quirk to only known vendors, as this triggers
-		 * yet another BIOS bug on some other machines
-		 * https://bugzilla.kernel.org/show_bug.cgi?id=66171
-		 */
-		if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
-			xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
-	}
-	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
 		pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) {
 		xhci->quirks |= XHCI_SPURIOUS_REBOOT;
 	}
@@ -160,6 +146,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 			pdev->device == 0x3432)
 		xhci->quirks |= XHCI_BROKEN_STREAMS;
 
+	if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+			pdev->device == 0x1042)
+		xhci->quirks |= XHCI_BROKEN_STREAMS;
+
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
 				"QUIRK: Resetting on resume");
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index 3ee133f..013fd1c 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -209,7 +209,8 @@ static enum hrtimer_restart cppi41_recheck_tx_req(struct hrtimer *timer)
 		}
 	}
 
-	if (!list_empty(&controller->early_tx_list)) {
+	if (!list_empty(&controller->early_tx_list) &&
+	    !hrtimer_is_queued(&controller->early_tx)) {
 		ret = HRTIMER_RESTART;
 		hrtimer_forward_now(&controller->early_tx,
 				ktime_set(0, 50 * NSEC_PER_USEC));
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 154bcf1..b18f8d5 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -896,7 +896,9 @@ static int dsps_resume(struct device *dev)
 	dsps_writel(mbase, wrp->mode, glue->context.mode);
 	dsps_writel(mbase, wrp->tx_mode, glue->context.tx_mode);
 	dsps_writel(mbase, wrp->rx_mode, glue->context.rx_mode);
-	setup_timer(&glue->timer, otg_timer, (unsigned long) musb);
+	if (musb->xceiv->state == OTG_STATE_B_IDLE &&
+	    musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE)
+		mod_timer(&glue->timer, jiffies + wrp->poll_seconds * HZ);
 
 	return 0;
 }
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index eca1747..cfd009d 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -155,6 +155,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
 	{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
 	{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
+	{ USB_DEVICE(0x1BA4, 0x0002) },	/* Silicon Labs 358x factory default */
 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
 	{ USB_DEVICE(0x1D6F, 0x0010) }, /* Seluxit ApS RF Dongle */
 	{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index dc72b92..0dad8ce 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -140,6 +140,7 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
  * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
  */
 static const struct usb_device_id id_table_combined[] = {
+	{ USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
@@ -661,6 +662,8 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
+	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
+	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
 	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
 	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 5937b2d..6786b70 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -30,6 +30,12 @@
 
 /*** third-party PIDs (using FTDI_VID) ***/
 
+/*
+ * Certain versions of the official Windows FTDI driver reprogrammed
+ * counterfeit FTDI devices to PID 0. Support these devices anyway.
+ */
+#define FTDI_BRICK_PID		0x0000
+
 #define FTDI_LUMEL_PD12_PID	0x6002
 
 /*
@@ -143,8 +149,12 @@
  * Xsens Technologies BV products (http://www.xsens.com).
  */
 #define XSENS_VID		0x2639
-#define XSENS_CONVERTER_PID	0xD00D	/* Xsens USB-serial converter */
+#define XSENS_AWINDA_STATION_PID 0x0101
+#define XSENS_AWINDA_DONGLE_PID 0x0102
 #define XSENS_MTW_PID		0x0200	/* Xsens MTw */
+#define XSENS_CONVERTER_PID	0xD00D	/* Xsens USB-serial converter */
+
+/* Xsens devices using FTDI VID */
 #define XSENS_CONVERTER_0_PID	0xD388	/* Xsens USB converter */
 #define XSENS_CONVERTER_1_PID	0xD389	/* Xsens Wireless Receiver */
 #define XSENS_CONVERTER_2_PID	0xD38A
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 078f9ed..a31ff15 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -335,7 +335,8 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
 			port->interrupt_out_urb->transfer_buffer_length = length;
 
 			priv->cur_pos = priv->cur_pos + length;
-			result = usb_submit_urb(port->interrupt_out_urb, GFP_NOIO);
+			result = usb_submit_urb(port->interrupt_out_urb,
+					GFP_ATOMIC);
 			dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result);
 			todo = priv->filled - priv->cur_pos;
 
@@ -350,7 +351,7 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
 		if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
 			priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
 			result = usb_submit_urb(port->interrupt_in_urb,
-								GFP_NOIO);
+					GFP_ATOMIC);
 			dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);
 		}
 	}
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 4856fb7..4b7bfb3 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -215,7 +215,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	/* The connected devices do not have a bulk write endpoint,
 	 * to transmit data to de barcode device the control endpoint is used */
-	dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);
+	dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
 	if (!dr) {
 		count = -ENOMEM;
 		goto error_no_dr;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 54a8120..e87219a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -269,6 +269,7 @@ static void option_instat_callback(struct urb *urb);
 #define TELIT_PRODUCT_DE910_DUAL		0x1010
 #define TELIT_PRODUCT_UE910_V2			0x1012
 #define TELIT_PRODUCT_LE920			0x1200
+#define TELIT_PRODUCT_LE910			0x1201
 
 /* ZTE PRODUCTS */
 #define ZTE_VENDOR_ID				0x19d2
@@ -361,6 +362,7 @@ static void option_instat_callback(struct urb *urb);
 
 /* Haier products */
 #define HAIER_VENDOR_ID				0x201e
+#define HAIER_PRODUCT_CE81B			0x10f8
 #define HAIER_PRODUCT_CE100			0x2009
 
 /* Cinterion (formerly Siemens) products */
@@ -588,6 +590,11 @@ static const struct option_blacklist_info zte_1255_blacklist = {
 	.reserved = BIT(3) | BIT(4),
 };
 
+static const struct option_blacklist_info telit_le910_blacklist = {
+	.sendsetup = BIT(0),
+	.reserved = BIT(1) | BIT(2),
+};
+
 static const struct option_blacklist_info telit_le920_blacklist = {
 	.sendsetup = BIT(0),
 	.reserved = BIT(1) | BIT(5),
@@ -1137,6 +1144,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
+		.driver_info = (kernel_ulong_t)&telit_le910_blacklist },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
 		.driver_info = (kernel_ulong_t)&telit_le920_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
@@ -1612,6 +1621,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
 	{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HAIER_VENDOR_ID, HAIER_PRODUCT_CE81B, 0xff, 0xff, 0xff) },
 	/* Pirelli  */
 	{ USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1, 0xff) },
 	{ USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_2, 0xff) },
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 22c7d43..b1d815e 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -1118,6 +1118,31 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
 		 */
 		if (result == USB_STOR_XFER_LONG)
 			fake_sense = 1;
+
+		/*
+		 * Sometimes a device will mistakenly skip the data phase
+		 * and go directly to the status phase without sending a
+		 * zero-length packet.  If we get a 13-byte response here,
+		 * check whether it really is a CSW.
+		 */
+		if (result == USB_STOR_XFER_SHORT &&
+				srb->sc_data_direction == DMA_FROM_DEVICE &&
+				transfer_length - scsi_get_resid(srb) ==
+					US_BULK_CS_WRAP_LEN) {
+			struct scatterlist *sg = NULL;
+			unsigned int offset = 0;
+
+			if (usb_stor_access_xfer_buf((unsigned char *) bcs,
+					US_BULK_CS_WRAP_LEN, srb, &sg,
+					&offset, FROM_XFER_BUF) ==
+						US_BULK_CS_WRAP_LEN &&
+					bcs->Signature ==
+						cpu_to_le32(US_BULK_CS_SIGN)) {
+				usb_stor_dbg(us, "Device skipped data phase\n");
+				scsi_set_resid(srb, transfer_length);
+				goto skipped_data_phase;
+			}
+		}
 	}
 
 	/* See flow chart on pg 15 of the Bulk Only Transport spec for
@@ -1153,6 +1178,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
 	if (result != USB_STOR_XFER_GOOD)
 		return USB_STOR_TRANSPORT_ERROR;
 
+ skipped_data_phase:
 	/* check bulk status */
 	residue = le32_to_cpu(bcs->Residue);
 	usb_stor_dbg(us, "Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n",
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 8511b54..2fefaf9 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -54,6 +54,20 @@ UNUSUAL_DEV(0x0bc2, 0x3312, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_ATA_1X),
 
+/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
+UNUSUAL_DEV(0x0bc2, 0x3320, 0x0000, 0x9999,
+		"Seagate",
+		"Expansion Desk",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_ATA_1X),
+
+/* Reported-by: Bogdan Mihalcea <bogdan.mihalcea@infim.ro> */
+UNUSUAL_DEV(0x0bc2, 0xa003, 0x0000, 0x9999,
+		"Seagate",
+		"Backup Plus",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_ATA_1X),
+
 /* https://bbs.archlinux.org/viewtopic.php?id=183190 */
 UNUSUAL_DEV(0x0bc2, 0xab20, 0x0000, 0x9999,
 		"Seagate",
@@ -61,6 +75,13 @@ UNUSUAL_DEV(0x0bc2, 0xab20, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_ATA_1X),
 
+/* https://bbs.archlinux.org/viewtopic.php?id=183190 */
+UNUSUAL_DEV(0x0bc2, 0xab21, 0x0000, 0x9999,
+		"Seagate",
+		"Backup+ BK",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_ATA_1X),
+
 /* Reported-by: Claudio Bizzarri <claudio.bizzarri@gmail.com> */
 UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
 		"JMicron",
@@ -75,3 +96,10 @@ UNUSUAL_DEV(0x174c, 0x5106, 0x0000, 0x9999,
 		"ASM1051",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_IGNORE_UAS),
+
+/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
+UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
+		"VIA",
+		"VL711",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_ATA_1X),
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index 61b182b..dbfe4ee 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -205,7 +205,6 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info,
 static void bit_clear_margins(struct vc_data *vc, struct fb_info *info,
 			      int bottom_only)
 {
-	int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
 	unsigned int cw = vc->vc_font.width;
 	unsigned int ch = vc->vc_font.height;
 	unsigned int rw = info->var.xres - (vc->vc_cols*cw);
@@ -214,7 +213,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info,
 	unsigned int bs = info->var.yres - bh;
 	struct fb_fillrect region;
 
-	region.color = attr_bgcol_ec(bgshift, vc, info);
+	region.color = 0;
 	region.rop = ROP_COPY;
 
 	if (rw && !bottom_only) {
diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c
index 41b32ae..5a3cbf6 100644
--- a/drivers/video/console/fbcon_ccw.c
+++ b/drivers/video/console/fbcon_ccw.c
@@ -197,9 +197,8 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info,
 	unsigned int bh = info->var.xres - (vc->vc_rows*ch);
 	unsigned int bs = vc->vc_rows*ch;
 	struct fb_fillrect region;
-	int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
 
-	region.color = attr_bgcol_ec(bgshift,vc,info);
+	region.color = 0;
 	region.rop = ROP_COPY;
 
 	if (rw && !bottom_only) {
diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
index a93670e..e7ee44d 100644
--- a/drivers/video/console/fbcon_cw.c
+++ b/drivers/video/console/fbcon_cw.c
@@ -180,9 +180,8 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info,
 	unsigned int bh = info->var.xres - (vc->vc_rows*ch);
 	unsigned int rs = info->var.yres - rw;
 	struct fb_fillrect region;
-	int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
 
-	region.color = attr_bgcol_ec(bgshift,vc,info);
+	region.color = 0;
 	region.rop = ROP_COPY;
 
 	if (rw && !bottom_only) {
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
index ff0872c..19e3714 100644
--- a/drivers/video/console/fbcon_ud.c
+++ b/drivers/video/console/fbcon_ud.c
@@ -227,9 +227,8 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info,
 	unsigned int rw = info->var.xres - (vc->vc_cols*cw);
 	unsigned int bh = info->var.yres - (vc->vc_rows*ch);
 	struct fb_fillrect region;
-	int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
 
-	region.color = attr_bgcol_ec(bgshift,vc,info);
+	region.color = 0;
 	region.rop = ROP_COPY;
 
 	if (rw && !bottom_only) {
diff --git a/drivers/video/fbdev/core/cfbcopyarea.c b/drivers/video/fbdev/core/cfbcopyarea.c
index bcb5723..6d4bfee 100644
--- a/drivers/video/fbdev/core/cfbcopyarea.c
+++ b/drivers/video/fbdev/core/cfbcopyarea.c
@@ -55,8 +55,8 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
 	 * If you suspect bug in this function, compare it with this simple
 	 * memmove implementation.
 	 */
-	fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
-		   (char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
+	memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
+		(char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
 	return;
 #endif
 
@@ -221,8 +221,8 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
 	 * If you suspect bug in this function, compare it with this simple
 	 * memmove implementation.
 	 */
-	fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
-		   (char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
+	memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
+		(char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
 	return;
 #endif
 
@@ -324,7 +324,10 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
 				d0 = d0 << left | d1 >> right;
 			}
 			d0 = fb_rev_pixels_in_long(d0, bswapmask);
-			FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
+			if (!first)
+				FB_WRITEL(d0, dst);
+			else
+				FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
 			d0 = d1;
 			dst--;
 			n -= dst_idx+1;
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 3d1463c..add40d0 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -789,6 +789,7 @@ static int virtio_pci_restore(struct device *dev)
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev);
 	struct virtio_driver *drv;
+	unsigned status = 0;
 	int ret;
 
 	drv = container_of(vp_dev->vdev.dev.driver,
@@ -799,14 +800,40 @@ static int virtio_pci_restore(struct device *dev)
 		return ret;
 
 	pci_set_master(pci_dev);
+	/* We always start by resetting the device, in case a previous
+	 * driver messed it up. */
+	vp_reset(&vp_dev->vdev);
+
+	/* Acknowledge that we've seen the device. */
+	status |= VIRTIO_CONFIG_S_ACKNOWLEDGE;
+	vp_set_status(&vp_dev->vdev, status);
+
+	/* Maybe driver failed before freeze.
+	 * Restore the failed status, for debugging. */
+	status |= vp_dev->saved_status & VIRTIO_CONFIG_S_FAILED;
+	vp_set_status(&vp_dev->vdev, status);
+
+	if (!drv)
+		return 0;
+
+	/* We have a driver! */
+	status |= VIRTIO_CONFIG_S_DRIVER;
+	vp_set_status(&vp_dev->vdev, status);
+
 	vp_finalize_features(&vp_dev->vdev);
 
-	if (drv && drv->restore)
+	if (drv->restore) {
 		ret = drv->restore(&vp_dev->vdev);
+		if (ret) {
+			status |= VIRTIO_CONFIG_S_FAILED;
+			vp_set_status(&vp_dev->vdev, status);
+			return ret;
+		}
+	}
 
 	/* Finally, tell the device we're all set */
-	if (!ret)
-		vp_set_status(&vp_dev->vdev, vp_dev->saved_status);
+	status |= VIRTIO_CONFIG_S_DRIVER_OK;
+	vp_set_status(&vp_dev->vdev, status);
 
 	return ret;
 }
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 54c84da..7409772 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -423,7 +423,7 @@ int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
 	ret = 0;
 fail:
 	while (ret < 0 && !list_empty(&tmplist)) {
-		sums = list_entry(&tmplist, struct btrfs_ordered_sum, list);
+		sums = list_entry(tmplist.next, struct btrfs_ordered_sum, list);
 		list_del(&sums->list);
 		kfree(sums);
 	}
diff --git a/fs/buffer.c b/fs/buffer.c
index 3588a80..72daaa5 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2082,6 +2082,7 @@ int generic_write_end(struct file *file, struct address_space *mapping,
 			struct page *page, void *fsdata)
 {
 	struct inode *inode = mapping->host;
+	loff_t old_size = inode->i_size;
 	int i_size_changed = 0;
 
 	copied = block_write_end(file, mapping, pos, len, copied, page, fsdata);
@@ -2101,6 +2102,8 @@ int generic_write_end(struct file *file, struct address_space *mapping,
 	unlock_page(page);
 	page_cache_release(page);
 
+	if (old_size < pos)
+		pagecache_isize_extended(inode, old_size, pos);
 	/*
 	 * Don't mark the inode dirty under page lock. First, it unnecessarily
 	 * makes the holding time of page lock longer. Second, it forces lock
@@ -2318,6 +2321,11 @@ static int cont_expand_zero(struct file *file, struct address_space *mapping,
 		err = 0;
 
 		balance_dirty_pages_ratelimited(mapping);
+
+		if (unlikely(fatal_signal_pending(current))) {
+			err = -EINTR;
+			goto out;
+		}
 	}
 
 	/* page covers the boundary, find the boundary offset */
diff --git a/fs/dcache.c b/fs/dcache.c
index cb25a1a..34b40be8 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2675,11 +2675,13 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
 			if (!IS_ROOT(new)) {
 				spin_unlock(&inode->i_lock);
 				dput(new);
+				iput(inode);
 				return ERR_PTR(-EIO);
 			}
 			if (d_ancestor(new, dentry)) {
 				spin_unlock(&inode->i_lock);
 				dput(new);
+				iput(inode);
 				return ERR_PTR(-EIO);
 			}
 			write_seqlock(&rename_lock);
@@ -2810,6 +2812,9 @@ static int prepend(char **buffer, int *buflen, const char *str, int namelen)
  * the beginning of the name. The sequence number check at the caller will
  * retry it again when a d_move() does happen. So any garbage in the buffer
  * due to mismatched pointer and length will be discarded.
+ *
+ * Data dependency barrier is needed to make sure that we see that terminating
+ * NUL.  Alpha strikes again, film at 11...
  */
 static int prepend_name(char **buffer, int *buflen, struct qstr *name)
 {
@@ -2817,6 +2822,8 @@ static int prepend_name(char **buffer, int *buflen, struct qstr *name)
 	u32 dlen = ACCESS_ONCE(name->len);
 	char *p;
 
+	smp_read_barrier_depends();
+
 	*buflen -= dlen + 1;
 	if (*buflen < 0)
 		return -ENAMETOOLONG;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 622e882..2c42e73 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1354,13 +1354,6 @@ set_qf_format:
 					"not specified.");
 			return 0;
 		}
-	} else {
-		if (sbi->s_jquota_fmt) {
-			ext3_msg(sb, KERN_ERR, "error: journaled quota format "
-					"specified with no journaling "
-					"enabled.");
-			return 0;
-		}
 	}
 #endif
 	return 1;
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 581ef40..e069155 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -176,7 +176,7 @@ static unsigned int num_clusters_in_group(struct super_block *sb,
 }
 
 /* Initializes an uninitialized block bitmap */
-static void ext4_init_block_bitmap(struct super_block *sb,
+static int ext4_init_block_bitmap(struct super_block *sb,
 				   struct buffer_head *bh,
 				   ext4_group_t block_group,
 				   struct ext4_group_desc *gdp)
@@ -192,7 +192,6 @@ static void ext4_init_block_bitmap(struct super_block *sb,
 	/* If checksum is bad mark all blocks used to prevent allocation
 	 * essentially implementing a per-group read-only flag. */
 	if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) {
-		ext4_error(sb, "Checksum bad for group %u", block_group);
 		grp = ext4_get_group_info(sb, block_group);
 		if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
 			percpu_counter_sub(&sbi->s_freeclusters_counter,
@@ -205,7 +204,7 @@ static void ext4_init_block_bitmap(struct super_block *sb,
 					   count);
 		}
 		set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
-		return;
+		return -EIO;
 	}
 	memset(bh->b_data, 0, sb->s_blocksize);
 
@@ -243,6 +242,7 @@ static void ext4_init_block_bitmap(struct super_block *sb,
 			     sb->s_blocksize * 8, bh->b_data);
 	ext4_block_bitmap_csum_set(sb, block_group, gdp, bh);
 	ext4_group_desc_csum_set(sb, block_group, gdp);
+	return 0;
 }
 
 /* Return the number of free blocks in a block group.  It is used when
@@ -438,11 +438,15 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group)
 	}
 	ext4_lock_group(sb, block_group);
 	if (desc->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
-		ext4_init_block_bitmap(sb, bh, block_group, desc);
+		int err;
+
+		err = ext4_init_block_bitmap(sb, bh, block_group, desc);
 		set_bitmap_uptodate(bh);
 		set_buffer_uptodate(bh);
 		ext4_unlock_group(sb, block_group);
 		unlock_buffer(bh);
+		if (err)
+			ext4_error(sb, "Checksum bad for grp %u", block_group);
 		return bh;
 	}
 	ext4_unlock_group(sb, block_group);
diff --git a/fs/ext4/bitmap.c b/fs/ext4/bitmap.c
index 3285aa5..b610779 100644
--- a/fs/ext4/bitmap.c
+++ b/fs/ext4/bitmap.c
@@ -24,8 +24,7 @@ int ext4_inode_bitmap_csum_verify(struct super_block *sb, ext4_group_t group,
 	__u32 provided, calculated;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return 1;
 
 	provided = le16_to_cpu(gdp->bg_inode_bitmap_csum_lo);
@@ -46,8 +45,7 @@ void ext4_inode_bitmap_csum_set(struct super_block *sb, ext4_group_t group,
 	__u32 csum;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return;
 
 	csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)bh->b_data, sz);
@@ -65,8 +63,7 @@ int ext4_block_bitmap_csum_verify(struct super_block *sb, ext4_group_t group,
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	int sz = EXT4_CLUSTERS_PER_GROUP(sb) / 8;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return 1;
 
 	provided = le16_to_cpu(gdp->bg_block_bitmap_csum_lo);
@@ -91,8 +88,7 @@ void ext4_block_bitmap_csum_set(struct super_block *sb, ext4_group_t group,
 	__u32 csum;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-			EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return;
 
 	csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)bh->b_data, sz);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index b0c225c..96ac9d3 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2109,6 +2109,7 @@ int do_journal_get_write_access(handle_t *handle,
 #define CONVERT_INLINE_DATA	 2
 
 extern struct inode *ext4_iget(struct super_block *, unsigned long);
+extern struct inode *ext4_iget_normal(struct super_block *, unsigned long);
 extern int  ext4_write_inode(struct inode *, struct writeback_control *);
 extern int  ext4_setattr(struct dentry *, struct iattr *);
 extern int  ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
@@ -2332,10 +2333,18 @@ extern int ext4_register_li_request(struct super_block *sb,
 static inline int ext4_has_group_desc_csum(struct super_block *sb)
 {
 	return EXT4_HAS_RO_COMPAT_FEATURE(sb,
-					  EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
-					  EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
+					  EXT4_FEATURE_RO_COMPAT_GDT_CSUM) ||
+	       (EXT4_SB(sb)->s_chksum_driver != NULL);
 }
 
+static inline int ext4_has_metadata_csum(struct super_block *sb)
+{
+	WARN_ON_ONCE(EXT4_HAS_RO_COMPAT_FEATURE(sb,
+			EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+		     !EXT4_SB(sb)->s_chksum_driver);
+
+	return (EXT4_SB(sb)->s_chksum_driver != NULL);
+}
 static inline ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)
 {
 	return ((ext4_fsblk_t)le32_to_cpu(es->s_blocks_count_hi) << 32) |
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 74292a7..18d8dc8 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -73,8 +73,7 @@ static int ext4_extent_block_csum_verify(struct inode *inode,
 {
 	struct ext4_extent_tail *et;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return 1;
 
 	et = find_ext4_extent_tail(eh);
@@ -88,8 +87,7 @@ static void ext4_extent_block_csum_set(struct inode *inode,
 {
 	struct ext4_extent_tail *et;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return;
 
 	et = find_ext4_extent_tail(eh);
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index aca7b24..8131be8 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -137,10 +137,10 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 			iov_iter_truncate(from, sbi->s_bitmap_maxbytes - pos);
 	}
 
+	iocb->private = &overwrite;
 	if (o_direct) {
 		blk_start_plug(&plug);
 
-		iocb->private = &overwrite;
 
 		/* check whether we do a DIO overwrite or not */
 		if (ext4_should_dioread_nolock(inode) && !aio_mutex &&
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 5b87fc3..ac644c3 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -887,6 +887,10 @@ got:
 		struct buffer_head *block_bitmap_bh;
 
 		block_bitmap_bh = ext4_read_block_bitmap(sb, group);
+		if (!block_bitmap_bh) {
+			err = -EIO;
+			goto out;
+		}
 		BUFFER_TRACE(block_bitmap_bh, "get block bitmap access");
 		err = ext4_journal_get_write_access(handle, block_bitmap_bh);
 		if (err) {
@@ -1011,8 +1015,7 @@ got:
 	spin_unlock(&sbi->s_next_gen_lock);
 
 	/* Precompute checksum seed for inode metadata */
-	if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
-			EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+	if (ext4_has_metadata_csum(sb)) {
 		__u32 csum;
 		__le32 inum = cpu_to_le32(inode->i_ino);
 		__le32 gen = cpu_to_le32(inode->i_generation);
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index bea662b..aa8e695 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -1126,8 +1126,7 @@ static int ext4_finish_convert_inline_dir(handle_t *handle,
 	memcpy((void *)de, buf + EXT4_INLINE_DOTDOT_SIZE,
 		inline_size - EXT4_INLINE_DOTDOT_SIZE);
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(inode->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	inode->i_size = inode->i_sb->s_blocksize;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3aa26e9..7d1057b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -83,8 +83,7 @@ static int ext4_inode_csum_verify(struct inode *inode, struct ext4_inode *raw,
 
 	if (EXT4_SB(inode->i_sb)->s_es->s_creator_os !=
 	    cpu_to_le32(EXT4_OS_LINUX) ||
-	    !EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	    !ext4_has_metadata_csum(inode->i_sb))
 		return 1;
 
 	provided = le16_to_cpu(raw->i_checksum_lo);
@@ -105,8 +104,7 @@ static void ext4_inode_csum_set(struct inode *inode, struct ext4_inode *raw,
 
 	if (EXT4_SB(inode->i_sb)->s_es->s_creator_os !=
 	    cpu_to_le32(EXT4_OS_LINUX) ||
-	    !EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	    !ext4_has_metadata_csum(inode->i_sb))
 		return;
 
 	csum = ext4_inode_csum(inode, raw, ei);
@@ -224,16 +222,15 @@ void ext4_evict_inode(struct inode *inode)
 		goto no_delete;
 	}
 
-	if (!is_bad_inode(inode))
-		dquot_initialize(inode);
+	if (is_bad_inode(inode))
+		goto no_delete;
+	dquot_initialize(inode);
 
 	if (ext4_should_order_data(inode))
 		ext4_begin_ordered_truncate(inode, 0);
 	truncate_inode_pages_final(&inode->i_data);
 
 	WARN_ON(atomic_read(&EXT4_I(inode)->i_ioend_count));
-	if (is_bad_inode(inode))
-		goto no_delete;
 
 	/*
 	 * Protect us against freezing - iput() caller didn't have to have any
@@ -2515,6 +2512,20 @@ static int ext4_nonda_switch(struct super_block *sb)
 	return 0;
 }
 
+/* We always reserve for an inode update; the superblock could be there too */
+static int ext4_da_write_credits(struct inode *inode, loff_t pos, unsigned len)
+{
+	if (likely(EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
+				EXT4_FEATURE_RO_COMPAT_LARGE_FILE)))
+		return 1;
+
+	if (pos + len <= 0x7fffffffULL)
+		return 1;
+
+	/* We might need to update the superblock to set LARGE_FILE */
+	return 2;
+}
+
 static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
 			       loff_t pos, unsigned len, unsigned flags,
 			       struct page **pagep, void **fsdata)
@@ -2565,7 +2576,8 @@ retry_grab:
 	 * of file which has an already mapped buffer.
 	 */
 retry_journal:
-	handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, 1);
+	handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE,
+				ext4_da_write_credits(inode, pos, len));
 	if (IS_ERR(handle)) {
 		page_cache_release(page);
 		return PTR_ERR(handle);
@@ -3936,8 +3948,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 		ei->i_extra_isize = 0;
 
 	/* Precompute checksum seed for inode metadata */
-	if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
-			EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+	if (ext4_has_metadata_csum(sb)) {
 		struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 		__u32 csum;
 		__le32 inum = cpu_to_le32(inode->i_ino);
@@ -4127,6 +4138,13 @@ bad_inode:
 	return ERR_PTR(ret);
 }
 
+struct inode *ext4_iget_normal(struct super_block *sb, unsigned long ino)
+{
+	if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
+		return ERR_PTR(-EIO);
+	return ext4_iget(sb, ino);
+}
+
 static int ext4_inode_blocks_set(handle_t *handle,
 				struct ext4_inode *raw_inode,
 				struct ext4_inode_info *ei)
@@ -4536,8 +4554,12 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 				ext4_orphan_del(NULL, inode);
 				goto err_out;
 			}
-		} else
+		} else {
+			loff_t oldsize = inode->i_size;
+
 			i_size_write(inode, attr->ia_size);
+			pagecache_isize_extended(inode, oldsize, inode->i_size);
+		}
 
 		/*
 		 * Blocks are going to be removed from the inode. Wait
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 0f2252e..bfda18a 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -331,8 +331,7 @@ flags_out:
 		if (!inode_owner_or_capable(inode))
 			return -EPERM;
 
-		if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-				EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+		if (ext4_has_metadata_csum(inode->i_sb)) {
 			ext4_warning(sb, "Setting inode version is not "
 				     "supported with metadata_csum enabled.");
 			return -ENOTTY;
@@ -532,9 +531,17 @@ group_add_out:
 	}
 
 	case EXT4_IOC_SWAP_BOOT:
+	{
+		int err;
 		if (!(filp->f_mode & FMODE_WRITE))
 			return -EBADF;
-		return swap_inode_boot_loader(sb, inode);
+		err = mnt_want_write_file(filp);
+		if (err)
+			return err;
+		err = swap_inode_boot_loader(sb, inode);
+		mnt_drop_write_file(filp);
+		return err;
+	}
 
 	case EXT4_IOC_RESIZE_FS: {
 		ext4_fsblk_t n_blocks_count;
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 32bce84..8313ca3 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -20,8 +20,7 @@ static __le32 ext4_mmp_csum(struct super_block *sb, struct mmp_struct *mmp)
 
 static int ext4_mmp_csum_verify(struct super_block *sb, struct mmp_struct *mmp)
 {
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return 1;
 
 	return mmp->mmp_checksum == ext4_mmp_csum(sb, mmp);
@@ -29,8 +28,7 @@ static int ext4_mmp_csum_verify(struct super_block *sb, struct mmp_struct *mmp)
 
 static void ext4_mmp_csum_set(struct super_block *sb, struct mmp_struct *mmp)
 {
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return;
 
 	mmp->mmp_checksum = ext4_mmp_csum(sb, mmp);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 603e4eb..5b7dad6 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -124,8 +124,7 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
 		       "directory leaf block found instead of index block");
 		return ERR_PTR(-EIO);
 	}
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) ||
+	if (!ext4_has_metadata_csum(inode->i_sb) ||
 	    buffer_verified(bh))
 		return bh;
 
@@ -340,8 +339,7 @@ int ext4_dirent_csum_verify(struct inode *inode, struct ext4_dir_entry *dirent)
 {
 	struct ext4_dir_entry_tail *t;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return 1;
 
 	t = get_dirent_tail(inode, dirent);
@@ -362,8 +360,7 @@ static void ext4_dirent_csum_set(struct inode *inode,
 {
 	struct ext4_dir_entry_tail *t;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return;
 
 	t = get_dirent_tail(inode, dirent);
@@ -438,8 +435,7 @@ static int ext4_dx_csum_verify(struct inode *inode,
 	struct dx_tail *t;
 	int count_offset, limit, count;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return 1;
 
 	c = get_dx_countlimit(inode, dirent, &count_offset);
@@ -468,8 +464,7 @@ static void ext4_dx_csum_set(struct inode *inode, struct ext4_dir_entry *dirent)
 	struct dx_tail *t;
 	int count_offset, limit, count;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return;
 
 	c = get_dx_countlimit(inode, dirent, &count_offset);
@@ -557,8 +552,7 @@ static inline unsigned dx_root_limit(struct inode *dir, unsigned infosize)
 	unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(1) -
 		EXT4_DIR_REC_LEN(2) - infosize;
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(dir->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(dir->i_sb))
 		entry_space -= sizeof(struct dx_tail);
 	return entry_space / sizeof(struct dx_entry);
 }
@@ -567,8 +561,7 @@ static inline unsigned dx_node_limit(struct inode *dir)
 {
 	unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(0);
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(dir->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(dir->i_sb))
 		entry_space -= sizeof(struct dx_tail);
 	return entry_space / sizeof(struct dx_entry);
 }
@@ -1441,7 +1434,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
 					 dentry);
 			return ERR_PTR(-EIO);
 		}
-		inode = ext4_iget(dir->i_sb, ino);
+		inode = ext4_iget_normal(dir->i_sb, ino);
 		if (inode == ERR_PTR(-ESTALE)) {
 			EXT4_ERROR_INODE(dir,
 					 "deleted inode referenced: %u",
@@ -1474,7 +1467,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
 		return ERR_PTR(-EIO);
 	}
 
-	return d_obtain_alias(ext4_iget(child->d_inode->i_sb, ino));
+	return d_obtain_alias(ext4_iget_normal(child->d_inode->i_sb, ino));
 }
 
 /*
@@ -1548,8 +1541,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
 	int	csum_size = 0;
 	int	err = 0, i;
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(dir->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(dir->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	bh2 = ext4_append(handle, dir, &newblock);
@@ -1718,8 +1710,7 @@ static int add_dirent_to_buf(handle_t *handle, struct dentry *dentry,
 	int		csum_size = 0;
 	int		err;
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(inode->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	if (!de) {
@@ -1786,8 +1777,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
 	struct fake_dirent *fde;
 	int		csum_size = 0;
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(inode->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	blocksize =  dir->i_sb->s_blocksize;
@@ -1904,8 +1894,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
 	ext4_lblk_t block, blocks;
 	int	csum_size = 0;
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(inode->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	sb = dir->i_sb;
@@ -2167,8 +2156,7 @@ static int ext4_delete_entry(handle_t *handle,
 			return err;
 	}
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(dir->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(dir->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	BUFFER_TRACE(bh, "get_write_access");
@@ -2387,8 +2375,7 @@ static int ext4_init_new_dir(handle_t *handle, struct inode *dir,
 	int csum_size = 0;
 	int err;
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(dir->i_sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(dir->i_sb))
 		csum_size = sizeof(struct ext4_dir_entry_tail);
 
 	if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
@@ -2573,7 +2560,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
 	int err = 0, rc;
 	bool dirty = false;
 
-	if (!sbi->s_journal)
+	if (!sbi->s_journal || is_bad_inode(inode))
 		return 0;
 
 	WARN_ON_ONCE(!(inode->i_state & (I_NEW | I_FREEING)) &&
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 1e43b90..ca45883 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1081,7 +1081,7 @@ static void update_backups(struct super_block *sb, int blk_off, char *data,
 			break;
 
 		if (meta_bg == 0)
-			backup_block = group * bpg + blk_off;
+			backup_block = ((ext4_fsblk_t)group) * bpg + blk_off;
 		else
 			backup_block = (ext4_group_first_block_no(sb, group) +
 					ext4_bg_has_super(sb, group));
@@ -1212,8 +1212,7 @@ static int ext4_set_bitmap_checksums(struct super_block *sb,
 {
 	struct buffer_head *bh;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-					EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return 0;
 
 	bh = ext4_get_bitmap(sb, group_data->inode_bitmap);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0b28b36..b1f0ac7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -141,8 +141,7 @@ static __le32 ext4_superblock_csum(struct super_block *sb,
 static int ext4_superblock_csum_verify(struct super_block *sb,
 				       struct ext4_super_block *es)
 {
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return 1;
 
 	return es->s_checksum == ext4_superblock_csum(sb, es);
@@ -152,8 +151,7 @@ void ext4_superblock_csum_set(struct super_block *sb)
 {
 	struct ext4_super_block *es = EXT4_SB(sb)->s_es;
 
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(sb))
 		return;
 
 	es->s_checksum = ext4_superblock_csum(sb, es);
@@ -1002,7 +1000,7 @@ static struct inode *ext4_nfs_get_inode(struct super_block *sb,
 	 * Currently we don't know the generation for parent directory, so
 	 * a generation of 0 means "accept any"
 	 */
-	inode = ext4_iget(sb, ino);
+	inode = ext4_iget_normal(sb, ino);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 	if (generation && inode->i_generation != generation) {
@@ -1712,13 +1710,6 @@ static int parse_options(char *options, struct super_block *sb,
 					"not specified");
 			return 0;
 		}
-	} else {
-		if (sbi->s_jquota_fmt) {
-			ext4_msg(sb, KERN_ERR, "journaled quota format "
-					"specified with no journaling "
-					"enabled");
-			return 0;
-		}
 	}
 #endif
 	if (test_opt(sb, DIOREAD_NOLOCK)) {
@@ -2016,8 +2007,7 @@ static __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 block_group,
 	__u16 crc = 0;
 	__le32 le_group = cpu_to_le32(block_group);
 
-	if ((sbi->s_es->s_feature_ro_compat &
-	     cpu_to_le32(EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))) {
+	if (ext4_has_metadata_csum(sbi->s_sb)) {
 		/* Use new metadata_csum algorithm */
 		__le16 save_csum;
 		__u32 csum32;
@@ -2035,6 +2025,10 @@ static __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 block_group,
 	}
 
 	/* old crc16 code */
+	if (!(sbi->s_es->s_feature_ro_compat &
+	      cpu_to_le32(EXT4_FEATURE_RO_COMPAT_GDT_CSUM)))
+		return 0;
+
 	offset = offsetof(struct ext4_group_desc, bg_checksum);
 
 	crc = crc16(~0, sbi->s_es->s_uuid, sizeof(sbi->s_es->s_uuid));
@@ -3179,8 +3173,7 @@ static int set_journal_csum_feature_set(struct super_block *sb)
 	int compat, incompat;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
-	if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
-				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+	if (ext4_has_metadata_csum(sb)) {
 		/* journal checksum v3 */
 		compat = 0;
 		incompat = JBD2_FEATURE_INCOMPAT_CSUM_V3;
@@ -3487,8 +3480,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	}
 
 	/* Precompute checksum seed for all metadata */
-	if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
-			EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (ext4_has_metadata_csum(sb))
 		sbi->s_csum_seed = ext4_chksum(sbi, ~0, es->s_uuid,
 					       sizeof(es->s_uuid));
 
@@ -3506,6 +3498,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
 	set_opt(sb, POSIX_ACL);
 #endif
+	/* don't forget to enable journal_csum when metadata_csum is enabled. */
+	if (ext4_has_metadata_csum(sb))
+		set_opt(sb, JOURNAL_CHECKSUM);
+
 	if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_DATA)
 		set_opt(sb, JOURNAL_DATA);
 	else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_ORDERED)
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index e738733..2d1e5803 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -142,8 +142,7 @@ static int ext4_xattr_block_csum_verify(struct inode *inode,
 					sector_t block_nr,
 					struct ext4_xattr_header *hdr)
 {
-	if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+	if (ext4_has_metadata_csum(inode->i_sb) &&
 	    (hdr->h_checksum != ext4_xattr_block_csum(inode, block_nr, hdr)))
 		return 0;
 	return 1;
@@ -153,8 +152,7 @@ static void ext4_xattr_block_csum_set(struct inode *inode,
 				      sector_t block_nr,
 				      struct ext4_xattr_header *hdr)
 {
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
-		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+	if (!ext4_has_metadata_csum(inode->i_sb))
 		return;
 
 	hdr->h_checksum = ext4_xattr_block_csum(inode, block_nr, hdr);
@@ -190,14 +188,28 @@ ext4_listxattr(struct dentry *dentry, char *buffer, size_t size)
 }
 
 static int
-ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end)
+ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end,
+		       void *value_start)
 {
-	while (!IS_LAST_ENTRY(entry)) {
-		struct ext4_xattr_entry *next = EXT4_XATTR_NEXT(entry);
+	struct ext4_xattr_entry *e = entry;
+
+	while (!IS_LAST_ENTRY(e)) {
+		struct ext4_xattr_entry *next = EXT4_XATTR_NEXT(e);
 		if ((void *)next >= end)
 			return -EIO;
-		entry = next;
+		e = next;
 	}
+
+	while (!IS_LAST_ENTRY(entry)) {
+		if (entry->e_value_size != 0 &&
+		    (value_start + le16_to_cpu(entry->e_value_offs) <
+		     (void *)e + sizeof(__u32) ||
+		     value_start + le16_to_cpu(entry->e_value_offs) +
+		    le32_to_cpu(entry->e_value_size) > end))
+			return -EIO;
+		entry = EXT4_XATTR_NEXT(entry);
+	}
+
 	return 0;
 }
 
@@ -214,7 +226,8 @@ ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh)
 		return -EIO;
 	if (!ext4_xattr_block_csum_verify(inode, bh->b_blocknr, BHDR(bh)))
 		return -EIO;
-	error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size);
+	error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size,
+				       bh->b_data);
 	if (!error)
 		set_buffer_verified(bh);
 	return error;
@@ -331,7 +344,7 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
 	header = IHDR(inode, raw_inode);
 	entry = IFIRST(header);
 	end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
-	error = ext4_xattr_check_names(entry, end);
+	error = ext4_xattr_check_names(entry, end, entry);
 	if (error)
 		goto cleanup;
 	error = ext4_xattr_find_entry(&entry, name_index, name,
@@ -463,7 +476,7 @@ ext4_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size)
 	raw_inode = ext4_raw_inode(&iloc);
 	header = IHDR(inode, raw_inode);
 	end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
-	error = ext4_xattr_check_names(IFIRST(header), end);
+	error = ext4_xattr_check_names(IFIRST(header), end, IFIRST(header));
 	if (error)
 		goto cleanup;
 	error = ext4_xattr_list_entries(dentry, IFIRST(header),
@@ -986,7 +999,8 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
 	is->s.here = is->s.first;
 	is->s.end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
 	if (ext4_test_inode_state(inode, EXT4_STATE_XATTR)) {
-		error = ext4_xattr_check_names(IFIRST(header), is->s.end);
+		error = ext4_xattr_check_names(IFIRST(header), is->s.end,
+					       IFIRST(header));
 		if (error)
 			return error;
 		/* Find the named attribute. */
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 9b329b5..bcbef08 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -525,6 +525,7 @@ static int do_one_pass(journal_t *journal,
 			    !jbd2_descr_block_csum_verify(journal,
 							  bh->b_data)) {
 				err = -EIO;
+				brelse(bh);
 				goto failed;
 			}
 
diff --git a/fs/jffs2/jffs2_fs_sb.h b/fs/jffs2/jffs2_fs_sb.h
index 413ef89..046fee8 100644
--- a/fs/jffs2/jffs2_fs_sb.h
+++ b/fs/jffs2/jffs2_fs_sb.h
@@ -134,8 +134,6 @@ struct jffs2_sb_info {
 	struct rw_semaphore wbuf_sem;	/* Protects the write buffer */
 
 	struct delayed_work wbuf_dwork; /* write-buffer write-out work */
-	int wbuf_queued;                /* non-zero delayed work is queued */
-	spinlock_t wbuf_dwork_lock;     /* protects wbuf_dwork and and wbuf_queued */
 
 	unsigned char *oobbuf;
 	int oobavail; /* How many bytes are available for JFFS2 in OOB */
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index a6597d6..09ed551 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -1162,10 +1162,6 @@ static void delayed_wbuf_sync(struct work_struct *work)
 	struct jffs2_sb_info *c = work_to_sb(work);
 	struct super_block *sb = OFNI_BS_2SFFJ(c);
 
-	spin_lock(&c->wbuf_dwork_lock);
-	c->wbuf_queued = 0;
-	spin_unlock(&c->wbuf_dwork_lock);
-
 	if (!(sb->s_flags & MS_RDONLY)) {
 		jffs2_dbg(1, "%s()\n", __func__);
 		jffs2_flush_wbuf_gc(c, 0);
@@ -1180,14 +1176,9 @@ void jffs2_dirty_trigger(struct jffs2_sb_info *c)
 	if (sb->s_flags & MS_RDONLY)
 		return;
 
-	spin_lock(&c->wbuf_dwork_lock);
-	if (!c->wbuf_queued) {
+	delay = msecs_to_jiffies(dirty_writeback_interval * 10);
+	if (queue_delayed_work(system_long_wq, &c->wbuf_dwork, delay))
 		jffs2_dbg(1, "%s()\n", __func__);
-		delay = msecs_to_jiffies(dirty_writeback_interval * 10);
-		queue_delayed_work(system_long_wq, &c->wbuf_dwork, delay);
-		c->wbuf_queued = 1;
-	}
-	spin_unlock(&c->wbuf_dwork_lock);
 }
 
 int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
@@ -1211,7 +1202,6 @@ int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
 
 	/* Initialise write buffer */
 	init_rwsem(&c->wbuf_sem);
-	spin_lock_init(&c->wbuf_dwork_lock);
 	INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
 	c->wbuf_pagesize = c->mtd->writesize;
 	c->wbuf_ofs = 0xFFFFFFFF;
@@ -1251,7 +1241,6 @@ int jffs2_dataflash_setup(struct jffs2_sb_info *c) {
 
 	/* Initialize write buffer */
 	init_rwsem(&c->wbuf_sem);
-	spin_lock_init(&c->wbuf_dwork_lock);
 	INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
 	c->wbuf_pagesize =  c->mtd->erasesize;
 
@@ -1311,7 +1300,6 @@ int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c) {
 
 	/* Initialize write buffer */
 	init_rwsem(&c->wbuf_sem);
-	spin_lock_init(&c->wbuf_dwork_lock);
 	INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
 
 	c->wbuf_pagesize = c->mtd->writesize;
@@ -1346,7 +1334,6 @@ int jffs2_ubivol_setup(struct jffs2_sb_info *c) {
 		return 0;
 
 	init_rwsem(&c->wbuf_sem);
-	spin_lock_init(&c->wbuf_dwork_lock);
 	INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
 
 	c->wbuf_pagesize =  c->mtd->writesize;
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index daa8e75..9106f42 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -159,6 +159,12 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
 
 	msg.rpc_proc = &clnt->cl_procinfo[proc];
 	status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);
+	if (status == -ECONNREFUSED) {
+		dprintk("lockd:	NSM upcall RPC failed, status=%d, forcing rebind\n",
+				status);
+		rpc_force_rebind(clnt);
+		status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);
+	}
 	if (status < 0)
 		dprintk("lockd: NSM upcall RPC failed, status=%d\n",
 				status);
diff --git a/fs/namei.c b/fs/namei.c
index 3ddb044..bb02687 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3154,7 +3154,8 @@ static int do_tmpfile(int dfd, struct filename *pathname,
 	if (error)
 		goto out2;
 	audit_inode(pathname, nd->path.dentry, 0);
-	error = may_open(&nd->path, op->acc_mode, op->open_flag);
+	/* Don't check for other permissions, the inode was just created */
+	error = may_open(&nd->path, MAY_OPEN, op->open_flag);
 	if (error)
 		goto out2;
 	file->f_path.mnt = nd->path.mnt;
diff --git a/fs/namespace.c b/fs/namespace.c
index 7f67b46..550dbff 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2822,6 +2822,9 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
 	/* make sure we can reach put_old from new_root */
 	if (!is_path_reachable(old_mnt, old.dentry, &new))
 		goto out4;
+	/* make certain new is below the root */
+	if (!is_path_reachable(new_mnt, new.dentry, &root))
+		goto out4;
 	root_mp->m_count++; /* pin it so it won't go away */
 	lock_mount_hash();
 	detach_mnt(new_mnt, &parent_path);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 5e0dc52..1d3cb47 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1229,7 +1229,8 @@ static bool need_wrongsec_check(struct svc_rqst *rqstp)
 	 */
 	if (argp->opcnt == resp->opcnt)
 		return false;
-
+	if (next->opnum == OP_ILLEGAL)
+		return false;
 	nextd = OPDESC(next);
 	/*
 	 * Rest of 2.6.3.1.1: certain operations will return WRONGSEC
@@ -1546,7 +1547,8 @@ static inline u32 nfsd4_rename_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op
 static inline u32 nfsd4_sequence_rsize(struct svc_rqst *rqstp,
 				       struct nfsd4_op *op)
 {
-	return NFS4_MAX_SESSIONID_LEN + 20;
+	return (op_encode_hdr_size
+		+ XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) * sizeof(__be32);
 }
 
 static inline u32 nfsd4_setattr_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
@@ -1850,6 +1852,7 @@ static struct nfsd4_operation nfsd4_ops[] = {
 		.op_func = (nfsd4op_func)nfsd4_sequence,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
 		.op_name = "OP_SEQUENCE",
+		.op_rsize_bop = (nfsd4op_rsize)nfsd4_sequence_rsize,
 	},
 	[OP_DESTROY_CLIENTID] = {
 		.op_func = (nfsd4op_func)nfsd4_destroy_clientid,
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index ea34952..485d22d 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -925,7 +925,7 @@ static int o2net_send_tcp_msg(struct socket *sock, struct kvec *vec,
 			      size_t veclen, size_t total)
 {
 	int ret;
-	struct msghdr msg;
+	struct msghdr msg = {.msg_flags = 0,};
 
 	if (sock == NULL) {
 		ret = -EINVAL;
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 192297b..fafb7a0 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -320,10 +320,10 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, int count,
 						compressed ? ".enc.z" : "");
 		break;
 	case PSTORE_TYPE_CONSOLE:
-		sprintf(name, "console-%s", psname);
+		sprintf(name, "console-%s-%lld", psname, id);
 		break;
 	case PSTORE_TYPE_FTRACE:
-		sprintf(name, "ftrace-%s", psname);
+		sprintf(name, "ftrace-%s-%lld", psname, id);
 		break;
 	case PSTORE_TYPE_MCE:
 		sprintf(name, "mce-%s-%lld", psname, id);
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index f2d0eee..23c548d 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -634,7 +634,7 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
 			dqstats_inc(DQST_LOOKUPS);
 			err = sb->dq_op->write_dquot(dquot);
 			if (!ret && err)
-				err = ret;
+				ret = err;
 			dqput(dquot);
 			spin_lock(&dq_list_lock);
 		}
diff --git a/fs/super.c b/fs/super.c
index b9a214d..6f8c954 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -80,6 +80,8 @@ static unsigned long super_cache_scan(struct shrinker *shrink,
 	inodes = list_lru_count_node(&sb->s_inode_lru, sc->nid);
 	dentries = list_lru_count_node(&sb->s_dentry_lru, sc->nid);
 	total_objects = dentries + inodes + fs_objects + 1;
+	if (!total_objects)
+		total_objects = 1;
 
 	/* proportion the scan between the caches */
 	dentries = mult_frac(sc->nr_to_scan, dentries, total_objects);
diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c
index aa13ad0..26b69b2 100644
--- a/fs/ubifs/commit.c
+++ b/fs/ubifs/commit.c
@@ -166,10 +166,6 @@ static int do_commit(struct ubifs_info *c)
 	err = ubifs_orphan_end_commit(c);
 	if (err)
 		goto out;
-	old_ltail_lnum = c->ltail_lnum;
-	err = ubifs_log_end_commit(c, new_ltail_lnum);
-	if (err)
-		goto out;
 	err = dbg_check_old_index(c, &zroot);
 	if (err)
 		goto out;
@@ -202,7 +198,9 @@ static int do_commit(struct ubifs_info *c)
 		c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS);
 	else
 		c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_NO_ORPHS);
-	err = ubifs_write_master(c);
+
+	old_ltail_lnum = c->ltail_lnum;
+	err = ubifs_log_end_commit(c, new_ltail_lnum);
 	if (err)
 		goto out;
 
diff --git a/fs/ubifs/log.c b/fs/ubifs/log.c
index a47ddfc..c14628f 100644
--- a/fs/ubifs/log.c
+++ b/fs/ubifs/log.c
@@ -106,10 +106,14 @@ static inline long long empty_log_bytes(const struct ubifs_info *c)
 	h = (long long)c->lhead_lnum * c->leb_size + c->lhead_offs;
 	t = (long long)c->ltail_lnum * c->leb_size;
 
-	if (h >= t)
+	if (h > t)
 		return c->log_bytes - h + t;
-	else
+	else if (h != t)
 		return t - h;
+	else if (c->lhead_lnum != c->ltail_lnum)
+		return 0;
+	else
+		return c->log_bytes;
 }
 
 /**
@@ -447,9 +451,9 @@ out:
  * @ltail_lnum: new log tail LEB number
  *
  * This function is called on when the commit operation was finished. It
- * moves log tail to new position and unmaps LEBs which contain obsolete data.
- * Returns zero in case of success and a negative error code in case of
- * failure.
+ * moves log tail to new position and updates the master node so that it stores
+ * the new log tail LEB number. Returns zero in case of success and a negative
+ * error code in case of failure.
  */
 int ubifs_log_end_commit(struct ubifs_info *c, int ltail_lnum)
 {
@@ -477,7 +481,12 @@ int ubifs_log_end_commit(struct ubifs_info *c, int ltail_lnum)
 	spin_unlock(&c->buds_lock);
 
 	err = dbg_check_bud_bytes(c);
+	if (err)
+		goto out;
 
+	err = ubifs_write_master(c);
+
+out:
 	mutex_unlock(&c->log_mutex);
 	return err;
 }
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index f1deb96..894924a 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -236,8 +236,10 @@ xfs_bulkstat_grab_ichunk(
 	XFS_WANT_CORRUPTED_RETURN(stat == 1);
 
 	/* Check if the record contains the inode in request */
-	if (irec->ir_startino + XFS_INODES_PER_CHUNK <= agino)
-		return -EINVAL;
+	if (irec->ir_startino + XFS_INODES_PER_CHUNK <= agino) {
+		*icount = 0;
+		return 0;
+	}
 
 	idx = agino - irec->ir_startino + 1;
 	if (idx < XFS_INODES_PER_CHUNK &&
@@ -262,75 +264,76 @@ xfs_bulkstat_grab_ichunk(
 
 #define XFS_BULKSTAT_UBLEFT(ubleft)	((ubleft) >= statstruct_size)
 
+struct xfs_bulkstat_agichunk {
+	char		__user **ac_ubuffer;/* pointer into user's buffer */
+	int		ac_ubleft;	/* bytes left in user's buffer */
+	int		ac_ubelem;	/* spaces used in user's buffer */
+};
+
 /*
  * Process inodes in chunk with a pointer to a formatter function
  * that will iget the inode and fill in the appropriate structure.
  */
-int
+static int
 xfs_bulkstat_ag_ichunk(
 	struct xfs_mount		*mp,
 	xfs_agnumber_t			agno,
 	struct xfs_inobt_rec_incore	*irbp,
 	bulkstat_one_pf			formatter,
 	size_t				statstruct_size,
-	struct xfs_bulkstat_agichunk	*acp)
+	struct xfs_bulkstat_agichunk	*acp,
+	xfs_agino_t			*last_agino)
 {
-	xfs_ino_t			lastino = acp->ac_lastino;
 	char				__user **ubufp = acp->ac_ubuffer;
-	int				ubleft = acp->ac_ubleft;
-	int				ubelem = acp->ac_ubelem;
-	int				chunkidx, clustidx;
+	int				chunkidx;
 	int				error = 0;
-	xfs_agino_t			agino;
+	xfs_agino_t			agino = irbp->ir_startino;
 
-	for (agino = irbp->ir_startino, chunkidx = clustidx = 0;
-	     XFS_BULKSTAT_UBLEFT(ubleft) &&
-	     irbp->ir_freecount < XFS_INODES_PER_CHUNK;
-	     chunkidx++, clustidx++, agino++) {
-		int		fmterror;	/* bulkstat formatter result */
+	for (chunkidx = 0; chunkidx < XFS_INODES_PER_CHUNK;
+	     chunkidx++, agino++) {
+		int		fmterror;
 		int		ubused;
-		xfs_ino_t	ino = XFS_AGINO_TO_INO(mp, agno, agino);
 
-		ASSERT(chunkidx < XFS_INODES_PER_CHUNK);
+		/* inode won't fit in buffer, we are done */
+		if (acp->ac_ubleft < statstruct_size)
+			break;
 
 		/* Skip if this inode is free */
-		if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) {
-			lastino = ino;
+		if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free)
 			continue;
-		}
-
-		/*
-		 * Count used inodes as free so we can tell when the
-		 * chunk is used up.
-		 */
-		irbp->ir_freecount++;
 
 		/* Get the inode and fill in a single buffer */
 		ubused = statstruct_size;
-		error = formatter(mp, ino, *ubufp, ubleft, &ubused, &fmterror);
-		if (fmterror == BULKSTAT_RV_NOTHING) {
-			if (error && error != -ENOENT && error != -EINVAL) {
-				ubleft = 0;
-				break;
-			}
-			lastino = ino;
-			continue;
-		}
-		if (fmterror == BULKSTAT_RV_GIVEUP) {
-			ubleft = 0;
+		error = formatter(mp, XFS_AGINO_TO_INO(mp, agno, agino),
+				  *ubufp, acp->ac_ubleft, &ubused, &fmterror);
+
+		if (fmterror == BULKSTAT_RV_GIVEUP ||
+		    (error && error != -ENOENT && error != -EINVAL)) {
+			acp->ac_ubleft = 0;
 			ASSERT(error);
 			break;
 		}
-		if (*ubufp)
-			*ubufp += ubused;
-		ubleft -= ubused;
-		ubelem++;
-		lastino = ino;
+
+		/* be careful not to leak error if at end of chunk */
+		if (fmterror == BULKSTAT_RV_NOTHING || error) {
+			error = 0;
+			continue;
+		}
+
+		*ubufp += ubused;
+		acp->ac_ubleft -= ubused;
+		acp->ac_ubelem++;
 	}
 
-	acp->ac_lastino = lastino;
-	acp->ac_ubleft = ubleft;
-	acp->ac_ubelem = ubelem;
+	/*
+	 * Post-update *last_agino. At this point, agino will always point one
+	 * inode past the last inode we processed successfully. Hence we
+	 * substract that inode when setting the *last_agino cursor so that we
+	 * return the correct cookie to userspace. On the next bulkstat call,
+	 * the inode under the lastino cookie will be skipped as we have already
+	 * processed it here.
+	 */
+	*last_agino = agino - 1;
 
 	return error;
 }
@@ -353,45 +356,33 @@ xfs_bulkstat(
 	xfs_agino_t		agino;	/* inode # in allocation group */
 	xfs_agnumber_t		agno;	/* allocation group number */
 	xfs_btree_cur_t		*cur;	/* btree cursor for ialloc btree */
-	int			end_of_ag; /* set if we've seen the ag end */
-	int			error;	/* error code */
-	int                     fmterror;/* bulkstat formatter result */
-	int			i;	/* loop index */
-	int			icount;	/* count of inodes good in irbuf */
 	size_t			irbsize; /* size of irec buffer in bytes */
-	xfs_ino_t		ino;	/* inode number (filesystem) */
-	xfs_inobt_rec_incore_t	*irbp;	/* current irec buffer pointer */
 	xfs_inobt_rec_incore_t	*irbuf;	/* start of irec buffer */
-	xfs_inobt_rec_incore_t	*irbufend; /* end of good irec buffer entries */
-	xfs_ino_t		lastino; /* last inode number returned */
 	int			nirbuf;	/* size of irbuf */
-	int			rval;	/* return value error code */
-	int			tmp;	/* result value from btree calls */
 	int			ubcount; /* size of user's buffer */
-	int			ubleft;	/* bytes left in user's buffer */
-	char			__user *ubufp;	/* pointer into user's buffer */
-	int			ubelem;	/* spaces used in user's buffer */
+	struct xfs_bulkstat_agichunk ac;
+	int			error = 0;
 
 	/*
 	 * Get the last inode value, see if there's nothing to do.
 	 */
-	ino = (xfs_ino_t)*lastinop;
-	lastino = ino;
-	agno = XFS_INO_TO_AGNO(mp, ino);
-	agino = XFS_INO_TO_AGINO(mp, ino);
+	agno = XFS_INO_TO_AGNO(mp, *lastinop);
+	agino = XFS_INO_TO_AGINO(mp, *lastinop);
 	if (agno >= mp->m_sb.sb_agcount ||
-	    ino != XFS_AGINO_TO_INO(mp, agno, agino)) {
+	    *lastinop != XFS_AGINO_TO_INO(mp, agno, agino)) {
 		*done = 1;
 		*ubcountp = 0;
 		return 0;
 	}
 
 	ubcount = *ubcountp; /* statstruct's */
-	ubleft = ubcount * statstruct_size; /* bytes */
-	*ubcountp = ubelem = 0;
+	ac.ac_ubuffer = &ubuffer;
+	ac.ac_ubleft = ubcount * statstruct_size; /* bytes */;
+	ac.ac_ubelem = 0;
+
+	*ubcountp = 0;
 	*done = 0;
-	fmterror = 0;
-	ubufp = ubuffer;
+
 	irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4);
 	if (!irbuf)
 		return -ENOMEM;
@@ -402,9 +393,13 @@ xfs_bulkstat(
 	 * Loop over the allocation groups, starting from the last
 	 * inode returned; 0 means start of the allocation group.
 	 */
-	rval = 0;
-	while (XFS_BULKSTAT_UBLEFT(ubleft) && agno < mp->m_sb.sb_agcount) {
-		cond_resched();
+	while (agno < mp->m_sb.sb_agcount) {
+		struct xfs_inobt_rec_incore	*irbp = irbuf;
+		struct xfs_inobt_rec_incore	*irbufend = irbuf + nirbuf;
+		bool				end_of_ag = false;
+		int				icount = 0;
+		int				stat;
+
 		error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp);
 		if (error)
 			break;
@@ -414,10 +409,6 @@ xfs_bulkstat(
 		 */
 		cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno,
 					    XFS_BTNUM_INO);
-		irbp = irbuf;
-		irbufend = irbuf + nirbuf;
-		end_of_ag = 0;
-		icount = 0;
 		if (agino > 0) {
 			/*
 			 * In the middle of an allocation group, we need to get
@@ -427,22 +418,23 @@ xfs_bulkstat(
 
 			error = xfs_bulkstat_grab_ichunk(cur, agino, &icount, &r);
 			if (error)
-				break;
+				goto del_cursor;
 			if (icount) {
 				irbp->ir_startino = r.ir_startino;
 				irbp->ir_freecount = r.ir_freecount;
 				irbp->ir_free = r.ir_free;
 				irbp++;
-				agino = r.ir_startino + XFS_INODES_PER_CHUNK;
 			}
 			/* Increment to the next record */
-			error = xfs_btree_increment(cur, 0, &tmp);
+			error = xfs_btree_increment(cur, 0, &stat);
 		} else {
 			/* Start of ag.  Lookup the first inode chunk */
-			error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &tmp);
+			error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &stat);
+		}
+		if (error || stat == 0) {
+			end_of_ag = true;
+			goto del_cursor;
 		}
-		if (error)
-			break;
 
 		/*
 		 * Loop through inode btree records in this ag,
@@ -451,10 +443,10 @@ xfs_bulkstat(
 		while (irbp < irbufend && icount < ubcount) {
 			struct xfs_inobt_rec_incore	r;
 
-			error = xfs_inobt_get_rec(cur, &r, &i);
-			if (error || i == 0) {
-				end_of_ag = 1;
-				break;
+			error = xfs_inobt_get_rec(cur, &r, &stat);
+			if (error || stat == 0) {
+				end_of_ag = true;
+				goto del_cursor;
 			}
 
 			/*
@@ -469,77 +461,79 @@ xfs_bulkstat(
 				irbp++;
 				icount += XFS_INODES_PER_CHUNK - r.ir_freecount;
 			}
-			/*
-			 * Set agino to after this chunk and bump the cursor.
-			 */
-			agino = r.ir_startino + XFS_INODES_PER_CHUNK;
-			error = xfs_btree_increment(cur, 0, &tmp);
+			error = xfs_btree_increment(cur, 0, &stat);
+			if (error || stat == 0) {
+				end_of_ag = true;
+				goto del_cursor;
+			}
 			cond_resched();
 		}
+
 		/*
-		 * Drop the btree buffers and the agi buffer.
-		 * We can't hold any of the locks these represent
-		 * when calling iget.
+		 * Drop the btree buffers and the agi buffer as we can't hold any
+		 * of the locks these represent when calling iget. If there is a
+		 * pending error, then we are done.
 		 */
+del_cursor:
 		xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
 		xfs_buf_relse(agbp);
+		if (error)
+			break;
 		/*
-		 * Now format all the good inodes into the user's buffer.
+		 * Now format all the good inodes into the user's buffer. The
+		 * call to xfs_bulkstat_ag_ichunk() sets up the agino pointer
+		 * for the next loop iteration.
 		 */
 		irbufend = irbp;
 		for (irbp = irbuf;
-		     irbp < irbufend && XFS_BULKSTAT_UBLEFT(ubleft); irbp++) {
-			struct xfs_bulkstat_agichunk ac;
-
-			ac.ac_lastino = lastino;
-			ac.ac_ubuffer = &ubuffer;
-			ac.ac_ubleft = ubleft;
-			ac.ac_ubelem = ubelem;
+		     irbp < irbufend && ac.ac_ubleft >= statstruct_size;
+		     irbp++) {
 			error = xfs_bulkstat_ag_ichunk(mp, agno, irbp,
-					formatter, statstruct_size, &ac);
+					formatter, statstruct_size, &ac,
+					&agino);
 			if (error)
-				rval = error;
-
-			lastino = ac.ac_lastino;
-			ubleft = ac.ac_ubleft;
-			ubelem = ac.ac_ubelem;
+				break;
 
 			cond_resched();
 		}
+
 		/*
-		 * Set up for the next loop iteration.
+		 * If we've run out of space or had a formatting error, we
+		 * are now done
 		 */
-		if (XFS_BULKSTAT_UBLEFT(ubleft)) {
-			if (end_of_ag) {
-				agno++;
-				agino = 0;
-			} else
-				agino = XFS_INO_TO_AGINO(mp, lastino);
-		} else
+		if (ac.ac_ubleft < statstruct_size || error)
 			break;
+
+		if (end_of_ag) {
+			agno++;
+			agino = 0;
+		}
 	}
 	/*
 	 * Done, we're either out of filesystem or space to put the data.
 	 */
 	kmem_free(irbuf);
-	*ubcountp = ubelem;
+	*ubcountp = ac.ac_ubelem;
+
 	/*
-	 * Found some inodes, return them now and return the error next time.
+	 * We found some inodes, so clear the error status and return them.
+	 * The lastino pointer will point directly at the inode that triggered
+	 * any error that occurred, so on the next call the error will be
+	 * triggered again and propagated to userspace as there will be no
+	 * formatted inodes in the buffer.
 	 */
-	if (ubelem)
-		rval = 0;
-	if (agno >= mp->m_sb.sb_agcount) {
-		/*
-		 * If we ran out of filesystem, mark lastino as off
-		 * the end of the filesystem, so the next call
-		 * will return immediately.
-		 */
-		*lastinop = (xfs_ino_t)XFS_AGINO_TO_INO(mp, agno, 0);
+	if (ac.ac_ubelem)
+		error = 0;
+
+	/*
+	 * If we ran out of filesystem, lastino will point off the end of
+	 * the filesystem so the next call will return immediately.
+	 */
+	*lastinop = XFS_AGINO_TO_INO(mp, agno, agino);
+	if (agno >= mp->m_sb.sb_agcount)
 		*done = 1;
-	} else
-		*lastinop = (xfs_ino_t)lastino;
 
-	return rval;
+	return error;
 }
 
 int
diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h
index aaed080..6ea8b39 100644
--- a/fs/xfs/xfs_itable.h
+++ b/fs/xfs/xfs_itable.h
@@ -30,22 +30,6 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount	*mp,
 			       int		*ubused,
 			       int		*stat);
 
-struct xfs_bulkstat_agichunk {
-	xfs_ino_t	ac_lastino;	/* last inode returned */
-	char		__user **ac_ubuffer;/* pointer into user's buffer */
-	int		ac_ubleft;	/* bytes left in user's buffer */
-	int		ac_ubelem;	/* spaces used in user's buffer */
-};
-
-int
-xfs_bulkstat_ag_ichunk(
-	struct xfs_mount		*mp,
-	xfs_agnumber_t			agno,
-	struct xfs_inobt_rec_incore	*irbp,
-	bulkstat_one_pf			formatter,
-	size_t				statstruct_size,
-	struct xfs_bulkstat_agichunk	*acp);
-
 /*
  * Values for stat return value.
  */
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index e973540..2dd405c 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -74,7 +74,6 @@
 	{0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
-	{0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
 	{0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
 	{0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 518b465..f2057ff8 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1142,8 +1142,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
 /*
  * tag stuff
  */
-#define blk_rq_tagged(rq) \
-	((rq)->mq_ctx || ((rq)->cmd_flags & REQ_QUEUED))
+#define blk_rq_tagged(rq)		((rq)->cmd_flags & REQ_QUEUED)
 extern int blk_queue_start_tag(struct request_queue *, struct request *);
 extern struct request *blk_queue_find_tag(struct request_queue *, int);
 extern void blk_queue_end_tag(struct request_queue *, struct request *);
@@ -1285,10 +1284,9 @@ static inline int queue_alignment_offset(struct request_queue *q)
 static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t sector)
 {
 	unsigned int granularity = max(lim->physical_block_size, lim->io_min);
-	unsigned int alignment = (sector << 9) & (granularity - 1);
+	unsigned int alignment = sector_div(sector, granularity >> 9) << 9;
 
-	return (granularity + lim->alignment_offset - alignment)
-		& (granularity - 1);
+	return (granularity + lim->alignment_offset - alignment) % granularity;
 }
 
 static inline int bdev_alignment_offset(struct block_device *bdev)
diff --git a/include/linux/hid.h b/include/linux/hid.h
index f53c4a9..26ee25f 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -287,6 +287,7 @@ struct hid_item {
 #define HID_QUIRK_HIDINPUT_FORCE		0x00000080
 #define HID_QUIRK_NO_EMPTY_INPUT		0x00000100
 #define HID_QUIRK_NO_INIT_INPUT_REPORTS		0x00000200
+#define HID_QUIRK_ALWAYS_POLL			0x00000400
 #define HID_QUIRK_SKIP_OUTPUT_REPORTS		0x00010000
 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID		0x00020000
 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP	0x00040000
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index e0752d2..2d946c9 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -139,48 +139,23 @@ static inline bool mem_cgroup_disabled(void)
 	return false;
 }
 
-void __mem_cgroup_begin_update_page_stat(struct page *page, bool *locked,
-					 unsigned long *flags);
-
-extern atomic_t memcg_moving;
-
-static inline void mem_cgroup_begin_update_page_stat(struct page *page,
-					bool *locked, unsigned long *flags)
-{
-	if (mem_cgroup_disabled())
-		return;
-	rcu_read_lock();
-	*locked = false;
-	if (atomic_read(&memcg_moving))
-		__mem_cgroup_begin_update_page_stat(page, locked, flags);
-}
-
-void __mem_cgroup_end_update_page_stat(struct page *page,
-				unsigned long *flags);
-static inline void mem_cgroup_end_update_page_stat(struct page *page,
-					bool *locked, unsigned long *flags)
-{
-	if (mem_cgroup_disabled())
-		return;
-	if (*locked)
-		__mem_cgroup_end_update_page_stat(page, flags);
-	rcu_read_unlock();
-}
-
-void mem_cgroup_update_page_stat(struct page *page,
-				 enum mem_cgroup_stat_index idx,
-				 int val);
-
-static inline void mem_cgroup_inc_page_stat(struct page *page,
+struct mem_cgroup *mem_cgroup_begin_page_stat(struct page *page, bool *locked,
+					      unsigned long *flags);
+void mem_cgroup_end_page_stat(struct mem_cgroup *memcg, bool locked,
+			      unsigned long flags);
+void mem_cgroup_update_page_stat(struct mem_cgroup *memcg,
+				 enum mem_cgroup_stat_index idx, int val);
+
+static inline void mem_cgroup_inc_page_stat(struct mem_cgroup *memcg,
 					    enum mem_cgroup_stat_index idx)
 {
-	mem_cgroup_update_page_stat(page, idx, 1);
+	mem_cgroup_update_page_stat(memcg, idx, 1);
 }
 
-static inline void mem_cgroup_dec_page_stat(struct page *page,
+static inline void mem_cgroup_dec_page_stat(struct mem_cgroup *memcg,
 					    enum mem_cgroup_stat_index idx)
 {
-	mem_cgroup_update_page_stat(page, idx, -1);
+	mem_cgroup_update_page_stat(memcg, idx, -1);
 }
 
 unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
@@ -315,13 +290,14 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
 {
 }
 
-static inline void mem_cgroup_begin_update_page_stat(struct page *page,
+static inline struct mem_cgroup *mem_cgroup_begin_page_stat(struct page *page,
 					bool *locked, unsigned long *flags)
 {
+	return NULL;
 }
 
-static inline void mem_cgroup_end_update_page_stat(struct page *page,
-					bool *locked, unsigned long *flags)
+static inline void mem_cgroup_end_page_stat(struct mem_cgroup *memcg,
+					bool locked, unsigned long flags)
 {
 }
 
@@ -343,12 +319,12 @@ static inline bool mem_cgroup_oom_synchronize(bool wait)
 	return false;
 }
 
-static inline void mem_cgroup_inc_page_stat(struct page *page,
+static inline void mem_cgroup_inc_page_stat(struct mem_cgroup *memcg,
 					    enum mem_cgroup_stat_index idx)
 {
 }
 
-static inline void mem_cgroup_dec_page_stat(struct page *page,
+static inline void mem_cgroup_dec_page_stat(struct mem_cgroup *memcg,
 					    enum mem_cgroup_stat_index idx)
 {
 }
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 16e6f1e..f952cc8 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1174,6 +1174,7 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping,
 
 extern void truncate_pagecache(struct inode *inode, loff_t new);
 extern void truncate_setsize(struct inode *inode, loff_t newsize);
+void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to);
 void truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);
 int truncate_inode_page(struct address_space *mapping, struct page *page);
 int generic_error_remove_page(struct address_space *mapping, struct page *page);
@@ -1232,7 +1233,6 @@ int __set_page_dirty_no_writeback(struct page *page);
 int redirty_page_for_writepage(struct writeback_control *wbc,
 				struct page *page);
 void account_page_dirtied(struct page *page, struct address_space *mapping);
-void account_page_writeback(struct page *page);
 int set_page_dirty(struct page *page);
 int set_page_dirty_lock(struct page *page);
 int clear_page_dirty_for_io(struct page *page);
diff --git a/include/linux/of.h b/include/linux/of.h
index 6c4363b..ee0fc7e 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -267,14 +267,12 @@ extern int of_property_read_u64(const struct device_node *np,
 extern int of_property_read_string(struct device_node *np,
 				   const char *propname,
 				   const char **out_string);
-extern int of_property_read_string_index(struct device_node *np,
-					 const char *propname,
-					 int index, const char **output);
 extern int of_property_match_string(struct device_node *np,
 				    const char *propname,
 				    const char *string);
-extern int of_property_count_strings(struct device_node *np,
-				     const char *propname);
+extern int of_property_read_string_helper(struct device_node *np,
+					      const char *propname,
+					      const char **out_strs, size_t sz, int index);
 extern int of_device_is_compatible(const struct device_node *device,
 				   const char *);
 extern int of_device_is_available(const struct device_node *device);
@@ -486,15 +484,9 @@ static inline int of_property_read_string(struct device_node *np,
 	return -ENOSYS;
 }
 
-static inline int of_property_read_string_index(struct device_node *np,
-						const char *propname, int index,
-						const char **out_string)
-{
-	return -ENOSYS;
-}
-
-static inline int of_property_count_strings(struct device_node *np,
-					    const char *propname)
+static inline int of_property_read_string_helper(struct device_node *np,
+						 const char *propname,
+						 const char **out_strs, size_t sz, int index)
 {
 	return -ENOSYS;
 }
@@ -668,6 +660,70 @@ static inline int of_property_count_u64_elems(const struct device_node *np,
 }
 
 /**
+ * of_property_read_string_array() - Read an array of strings from a multiple
+ * strings property.
+ * @np:		device node from which the property value is to be read.
+ * @propname:	name of the property to be searched.
+ * @out_strs:	output array of string pointers.
+ * @sz:		number of array elements to read.
+ *
+ * Search for a property in a device tree node and retrieve a list of
+ * terminated string values (pointer to data, not a copy) in that property.
+ *
+ * If @out_strs is NULL, the number of strings in the property is returned.
+ */
+static inline int of_property_read_string_array(struct device_node *np,
+						const char *propname, const char **out_strs,
+						size_t sz)
+{
+	return of_property_read_string_helper(np, propname, out_strs, sz, 0);
+}
+
+/**
+ * of_property_count_strings() - Find and return the number of strings from a
+ * multiple strings property.
+ * @np:		device node from which the property value is to be read.
+ * @propname:	name of the property to be searched.
+ *
+ * Search for a property in a device tree node and retrieve the number of null
+ * terminated string contain in it. Returns the number of strings on
+ * success, -EINVAL if the property does not exist, -ENODATA if property
+ * does not have a value, and -EILSEQ if the string is not null-terminated
+ * within the length of the property data.
+ */
+static inline int of_property_count_strings(struct device_node *np,
+					    const char *propname)
+{
+	return of_property_read_string_helper(np, propname, NULL, 0, 0);
+}
+
+/**
+ * of_property_read_string_index() - Find and read a string from a multiple
+ * strings property.
+ * @np:		device node from which the property value is to be read.
+ * @propname:	name of the property to be searched.
+ * @index:	index of the string in the list of strings
+ * @out_string:	pointer to null terminated return string, modified only if
+ *		return value is 0.
+ *
+ * Search for a property in a device tree node and retrieve a null
+ * terminated string value (pointer to data, not a copy) in the list of strings
+ * contained in that property.
+ * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if
+ * property does not have a value, and -EILSEQ if the string is not
+ * null-terminated within the length of the property data.
+ *
+ * The out_string pointer is modified only if a valid string can be decoded.
+ */
+static inline int of_property_read_string_index(struct device_node *np,
+						const char *propname,
+						int index, const char **output)
+{
+	int rc = of_property_read_string_helper(np, propname, output, 1, index);
+	return rc < 0 ? rc : 0;
+}
+
+/**
  * of_property_read_bool - Findfrom a property
  * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 647395a..e8d6e10 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -50,6 +50,9 @@ static inline bool oom_task_origin(const struct task_struct *p)
 extern unsigned long oom_badness(struct task_struct *p,
 		struct mem_cgroup *memcg, const nodemask_t *nodemask,
 		unsigned long totalpages);
+
+extern int oom_kills_count(void);
+extern void note_oom_kill(void);
 extern void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
 			     unsigned int points, unsigned long totalpages,
 			     struct mem_cgroup *memcg, nodemask_t *nodemask,
diff --git a/include/linux/string.h b/include/linux/string.h
index d36977e..3b42b37 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -132,7 +132,7 @@ int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4);
 #endif
 
 extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
-			const void *from, size_t available);
+				       const void *from, size_t available);
 
 /**
  * strstarts - does @str start with @prefix?
@@ -144,7 +144,8 @@ static inline bool strstarts(const char *str, const char *prefix)
 	return strncmp(str, prefix, strlen(prefix)) == 0;
 }
 
-extern size_t memweight(const void *ptr, size_t bytes);
+size_t memweight(const void *ptr, size_t bytes);
+void memzero_explicit(void *s, size_t count);
 
 /**
  * kbasename - return the last part of a pathname.
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index fcbfe87..cf391ee 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -357,6 +357,7 @@ int			xs_swapper(struct rpc_xprt *xprt, int enable);
 #define XPRT_CONNECTION_ABORT	(7)
 #define XPRT_CONNECTION_CLOSE	(8)
 #define XPRT_CONGESTED		(9)
+#define XPRT_CONNECTION_REUSE	(10)
 
 static inline void xprt_set_connected(struct rpc_xprt *xprt)
 {
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 32e0f5c..4a185a0 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -44,4 +44,7 @@
 /* device generates spurious wakeup, ignore remote wakeup capability */
 #define USB_QUIRK_IGNORE_REMOTE_WAKEUP	0x00000200
 
+/* device can't handle device_qualifier descriptor requests */
+#define USB_QUIRK_DEVICE_QUALIFIER	0x00000100
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index a2db816..268c8f1 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -669,6 +669,8 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
 	return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
 }
 
+void ipv6_proxy_select_ident(struct sk_buff *skb);
+
 int ip6_dst_hoplimit(struct dst_entry *dst);
 
 static inline int ip6_sk_dst_hoplimit(struct ipv6_pinfo *np, struct flowi6 *fl6,
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index e645835..56ed843 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -67,8 +67,9 @@ static inline void scsi_activate_tcq(struct scsi_device *sdev, int depth)
 	if (!sdev->tagged_supported)
 		return;
 
-	if (!shost_use_blk_mq(sdev->host) &&
-	    !blk_queue_tagged(sdev->request_queue))
+	if (shost_use_blk_mq(sdev->host))
+		queue_flag_set_unlocked(QUEUE_FLAG_QUEUED, sdev->request_queue);
+	else if (!blk_queue_tagged(sdev->request_queue))
 		blk_queue_init_tags(sdev->request_queue, depth,
 				    sdev->host->bqt);
 
@@ -81,8 +82,7 @@ static inline void scsi_activate_tcq(struct scsi_device *sdev, int depth)
  **/
 static inline void scsi_deactivate_tcq(struct scsi_device *sdev, int depth)
 {
-	if (!shost_use_blk_mq(sdev->host) &&
-	    blk_queue_tagged(sdev->request_queue))
+	if (blk_queue_tagged(sdev->request_queue))
 		blk_queue_free_tags(sdev->request_queue);
 	scsi_adjust_queue_depth(sdev, 0, depth);
 }
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index 4fc66f6..c472bedb 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -29,7 +29,7 @@
 #define __VMWGFX_DRM_H__
 
 #ifndef __KERNEL__
-#include <drm.h>
+#include <drm/drm.h>
 #endif
 
 #define DRM_VMW_MAX_SURFACE_FACES 6
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index 1874ebe..a1d7e93 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -739,6 +739,13 @@ struct input_keymap_entry {
 #define KEY_BRIGHTNESS_MIN		0x250	/* Set Brightness to Minimum */
 #define KEY_BRIGHTNESS_MAX		0x251	/* Set Brightness to Maximum */
 
+#define KEY_KBDINPUTASSIST_PREV		0x260
+#define KEY_KBDINPUTASSIST_NEXT		0x261
+#define KEY_KBDINPUTASSIST_PREVGROUP		0x262
+#define KEY_KBDINPUTASSIST_NEXTGROUP		0x263
+#define KEY_KBDINPUTASSIST_ACCEPT		0x264
+#define KEY_KBDINPUTASSIST_CANCEL		0x265
+
 #define BTN_TRIGGER_HAPPY		0x2c0
 #define BTN_TRIGGER_HAPPY1		0x2c0
 #define BTN_TRIGGER_HAPPY2		0x2c1
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 963bf13..658f232 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -902,13 +902,23 @@ static void put_ctx(struct perf_event_context *ctx)
 	}
 }
 
-static void unclone_ctx(struct perf_event_context *ctx)
+/*
+ * This must be done under the ctx->lock, such as to serialize against
+ * context_equiv(), therefore we cannot call put_ctx() since that might end up
+ * calling scheduler related locks and ctx->lock nests inside those.
+ */
+static __must_check struct perf_event_context *
+unclone_ctx(struct perf_event_context *ctx)
 {
-	if (ctx->parent_ctx) {
-		put_ctx(ctx->parent_ctx);
+	struct perf_event_context *parent_ctx = ctx->parent_ctx;
+
+	lockdep_assert_held(&ctx->lock);
+
+	if (parent_ctx)
 		ctx->parent_ctx = NULL;
-	}
 	ctx->generation++;
+
+	return parent_ctx;
 }
 
 static u32 perf_event_pid(struct perf_event *event, struct task_struct *p)
@@ -2210,6 +2220,9 @@ static void ctx_sched_out(struct perf_event_context *ctx,
 static int context_equiv(struct perf_event_context *ctx1,
 			 struct perf_event_context *ctx2)
 {
+	lockdep_assert_held(&ctx1->lock);
+	lockdep_assert_held(&ctx2->lock);
+
 	/* Pinning disables the swap optimization */
 	if (ctx1->pin_count || ctx2->pin_count)
 		return 0;
@@ -2943,6 +2956,7 @@ static int event_enable_on_exec(struct perf_event *event,
  */
 static void perf_event_enable_on_exec(struct perf_event_context *ctx)
 {
+	struct perf_event_context *clone_ctx = NULL;
 	struct perf_event *event;
 	unsigned long flags;
 	int enabled = 0;
@@ -2974,7 +2988,7 @@ static void perf_event_enable_on_exec(struct perf_event_context *ctx)
 	 * Unclone this context if we enabled any event.
 	 */
 	if (enabled)
-		unclone_ctx(ctx);
+		clone_ctx = unclone_ctx(ctx);
 
 	raw_spin_unlock(&ctx->lock);
 
@@ -2984,6 +2998,9 @@ static void perf_event_enable_on_exec(struct perf_event_context *ctx)
 	perf_event_context_sched_in(ctx, ctx->task);
 out:
 	local_irq_restore(flags);
+
+	if (clone_ctx)
+		put_ctx(clone_ctx);
 }
 
 void perf_event_exec(void)
@@ -3135,7 +3152,7 @@ errout:
 static struct perf_event_context *
 find_get_context(struct pmu *pmu, struct task_struct *task, int cpu)
 {
-	struct perf_event_context *ctx;
+	struct perf_event_context *ctx, *clone_ctx = NULL;
 	struct perf_cpu_context *cpuctx;
 	unsigned long flags;
 	int ctxn, err;
@@ -3169,9 +3186,12 @@ find_get_context(struct pmu *pmu, struct task_struct *task, int cpu)
 retry:
 	ctx = perf_lock_task_context(task, ctxn, &flags);
 	if (ctx) {
-		unclone_ctx(ctx);
+		clone_ctx = unclone_ctx(ctx);
 		++ctx->pin_count;
 		raw_spin_unlock_irqrestore(&ctx->lock, flags);
+
+		if (clone_ctx)
+			put_ctx(clone_ctx);
 	} else {
 		ctx = alloc_perf_context(pmu, task);
 		err = -ENOMEM;
@@ -7523,7 +7543,7 @@ __perf_event_exit_task(struct perf_event *child_event,
 static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
 {
 	struct perf_event *child_event, *next;
-	struct perf_event_context *child_ctx, *parent_ctx;
+	struct perf_event_context *child_ctx, *clone_ctx = NULL;
 	unsigned long flags;
 
 	if (likely(!child->perf_event_ctxp[ctxn])) {
@@ -7550,28 +7570,16 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
 	child->perf_event_ctxp[ctxn] = NULL;
 
 	/*
-	 * In order to avoid freeing: child_ctx->parent_ctx->task
-	 * under perf_event_context::lock, grab another reference.
-	 */
-	parent_ctx = child_ctx->parent_ctx;
-	if (parent_ctx)
-		get_ctx(parent_ctx);
-
-	/*
 	 * If this context is a clone; unclone it so it can't get
 	 * swapped to another process while we're removing all
 	 * the events from it.
 	 */
-	unclone_ctx(child_ctx);
+	clone_ctx = unclone_ctx(child_ctx);
 	update_context_time(child_ctx);
 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);
 
-	/*
-	 * Now that we no longer hold perf_event_context::lock, drop
-	 * our extra child_ctx->parent_ctx reference.
-	 */
-	if (parent_ctx)
-		put_ctx(parent_ctx);
+	if (clone_ctx)
+		put_ctx(clone_ctx);
 
 	/*
 	 * Report the task dead after unscheduling the events so that we
diff --git a/kernel/freezer.c b/kernel/freezer.c
index aa6a8aa..8f9279b 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -42,6 +42,9 @@ bool freezing_slow_path(struct task_struct *p)
 	if (p->flags & (PF_NOFREEZE | PF_SUSPEND_TASK))
 		return false;
 
+	if (test_thread_flag(TIF_MEMDIE))
+		return false;
+
 	if (pm_nosig_freezing || cgroup_freezing(p))
 		return true;
 
diff --git a/kernel/futex.c b/kernel/futex.c
index f3a3a07..22b3f1b 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -641,8 +641,14 @@ static struct futex_pi_state * alloc_pi_state(void)
 	return pi_state;
 }
 
+/*
+ * Must be called with the hb lock held.
+ */
 static void free_pi_state(struct futex_pi_state *pi_state)
 {
+	if (!pi_state)
+		return;
+
 	if (!atomic_dec_and_test(&pi_state->refcount))
 		return;
 
@@ -1521,15 +1527,6 @@ static int futex_requeue(u32 __user *uaddr1, unsigned int flags,
 	}
 
 retry:
-	if (pi_state != NULL) {
-		/*
-		 * We will have to lookup the pi_state again, so free this one
-		 * to keep the accounting correct.
-		 */
-		free_pi_state(pi_state);
-		pi_state = NULL;
-	}
-
 	ret = get_futex_key(uaddr1, flags & FLAGS_SHARED, &key1, VERIFY_READ);
 	if (unlikely(ret != 0))
 		goto out;
@@ -1619,6 +1616,8 @@ retry_private:
 		case 0:
 			break;
 		case -EFAULT:
+			free_pi_state(pi_state);
+			pi_state = NULL;
 			double_unlock_hb(hb1, hb2);
 			hb_waiters_dec(hb2);
 			put_futex_key(&key2);
@@ -1634,6 +1633,8 @@ retry_private:
 			 *   exit to complete.
 			 * - The user space value changed.
 			 */
+			free_pi_state(pi_state);
+			pi_state = NULL;
 			double_unlock_hb(hb1, hb2);
 			hb_waiters_dec(hb2);
 			put_futex_key(&key2);
@@ -1710,6 +1711,7 @@ retry_private:
 	}
 
 out_unlock:
+	free_pi_state(pi_state);
 	double_unlock_hb(hb1, hb2);
 	hb_waiters_dec(hb2);
 
@@ -1727,8 +1729,6 @@ out_put_keys:
 out_put_key1:
 	put_futex_key(&key1);
 out:
-	if (pi_state != NULL)
-		free_pi_state(pi_state);
 	return ret ? ret : task_count;
 }
 
diff --git a/kernel/module.c b/kernel/module.c
index 03214bd2..1c47139 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1842,7 +1842,9 @@ static void free_module(struct module *mod)
 
 	/* We leave it in list to prevent duplicate loads, but make sure
 	 * that noone uses it while it's being deconstructed. */
+	mutex_lock(&module_mutex);
 	mod->state = MODULE_STATE_UNFORMED;
+	mutex_unlock(&module_mutex);
 
 	/* Remove dynamic debug info */
 	ddebug_remove_module(mod->name);
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index a9dfa79..1f35a34 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -502,8 +502,14 @@ int hibernation_restore(int platform_mode)
 	error = dpm_suspend_start(PMSG_QUIESCE);
 	if (!error) {
 		error = resume_target_kernel(platform_mode);
-		dpm_resume_end(PMSG_RECOVER);
+		/*
+		 * The above should either succeed and jump to the new kernel,
+		 * or return with an error. Otherwise things are just
+		 * undefined, so let's be paranoid.
+		 */
+		BUG_ON(!error);
 	}
+	dpm_resume_end(PMSG_RECOVER);
 	pm_restore_gfp_mask();
 	resume_console();
 	pm_restore_console();
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 4ee194e..7a37cf3 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -108,6 +108,28 @@ static int try_to_freeze_tasks(bool user_only)
 	return todo ? -EBUSY : 0;
 }
 
+/*
+ * Returns true if all freezable tasks (except for current) are frozen already
+ */
+static bool check_frozen_processes(void)
+{
+	struct task_struct *g, *p;
+	bool ret = true;
+
+	read_lock(&tasklist_lock);
+	for_each_process_thread(g, p) {
+		if (p != current && !freezer_should_skip(p) &&
+		    !frozen(p)) {
+			ret = false;
+			goto done;
+		}
+	}
+done:
+	read_unlock(&tasklist_lock);
+
+	return ret;
+}
+
 /**
  * freeze_processes - Signal user space processes to enter the refrigerator.
  * The current thread will not be frozen.  The same process that calls
@@ -118,6 +140,7 @@ static int try_to_freeze_tasks(bool user_only)
 int freeze_processes(void)
 {
 	int error;
+	int oom_kills_saved;
 
 	error = __usermodehelper_disable(UMH_FREEZING);
 	if (error)
@@ -131,12 +154,27 @@ int freeze_processes(void)
 
 	printk("Freezing user space processes ... ");
 	pm_freezing = true;
+	oom_kills_saved = oom_kills_count();
 	error = try_to_freeze_tasks(true);
 	if (!error) {
-		printk("done.");
 		__usermodehelper_set_disable_depth(UMH_DISABLED);
 		oom_killer_disable();
+
+		/*
+		 * There might have been an OOM kill while we were
+		 * freezing tasks and the killed task might be still
+		 * on the way out so we have to double check for race.
+		 */
+		if (oom_kills_count() != oom_kills_saved &&
+				!check_frozen_processes()) {
+			__usermodehelper_set_disable_depth(UMH_ENABLED);
+			printk("OOM in progress.");
+			error = -EBUSY;
+			goto done;
+		}
+		printk("done.");
 	}
+done:
 	printk("\n");
 	BUG_ON(in_atomic());
 
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index ec1a286..6d7cb91 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1977,6 +1977,8 @@ unsigned long to_ratio(u64 period, u64 runtime)
 #ifdef CONFIG_SMP
 inline struct dl_bw *dl_bw_of(int i)
 {
+	rcu_lockdep_assert(rcu_read_lock_sched_held(),
+			   "sched RCU must be held");
 	return &cpu_rq(i)->rd->dl_bw;
 }
 
@@ -1985,6 +1987,8 @@ static inline int dl_bw_cpus(int i)
 	struct root_domain *rd = cpu_rq(i)->rd;
 	int cpus = 0;
 
+	rcu_lockdep_assert(rcu_read_lock_sched_held(),
+			   "sched RCU must be held");
 	for_each_cpu_and(i, rd->span, cpu_active_mask)
 		cpus++;
 
@@ -4004,13 +4008,14 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
 	 * root_domain.
 	 */
 #ifdef CONFIG_SMP
-	if (task_has_dl_policy(p)) {
-		const struct cpumask *span = task_rq(p)->rd->span;
-
-		if (dl_bandwidth_enabled() && !cpumask_subset(span, new_mask)) {
+	if (task_has_dl_policy(p) && dl_bandwidth_enabled()) {
+		rcu_read_lock();
+		if (!cpumask_subset(task_rq(p)->rd->span, new_mask)) {
 			retval = -EBUSY;
+			rcu_read_unlock();
 			goto out_unlock;
 		}
+		rcu_read_unlock();
 	}
 #endif
 again:
@@ -7580,6 +7585,8 @@ static int sched_dl_global_constraints(void)
 	int cpu, ret = 0;
 	unsigned long flags;
 
+	rcu_read_lock();
+
 	/*
 	 * Here we want to check the bandwidth not being set to some
 	 * value smaller than the currently allocated bandwidth in
@@ -7601,6 +7608,8 @@ static int sched_dl_global_constraints(void)
 			break;
 	}
 
+	rcu_read_unlock();
+
 	return ret;
 }
 
@@ -7616,6 +7625,7 @@ static void sched_dl_do_global(void)
 	if (global_rt_runtime() != RUNTIME_INF)
 		new_bw = to_ratio(global_rt_period(), global_rt_runtime());
 
+	rcu_read_lock();
 	/*
 	 * FIXME: As above...
 	 */
@@ -7626,6 +7636,7 @@ static void sched_dl_do_global(void)
 		dl_b->bw = new_bw;
 		raw_spin_unlock_irqrestore(&dl_b->lock, flags);
 	}
+	rcu_read_unlock();
 }
 
 static int sched_rt_global_validate(void)
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 42b463a..31ea01f 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -636,6 +636,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
 			goto out;
 		}
 	} else {
+		memset(&event.sigev_value, 0, sizeof(event.sigev_value));
 		event.sigev_notify = SIGEV_SIGNAL;
 		event.sigev_signo = SIGALRM;
 		event.sigev_value.sival_int = new_timer->it_id;
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 759d5e0..7e3cd7a 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -313,7 +313,7 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 	int size;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);
-	if (syscall_nr < 0)
+	if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
 		return;
 
 	/* Here we're inside tp handler's rcu_read_lock_sched (__DO_TRACE) */
@@ -360,7 +360,7 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	int syscall_nr;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);
-	if (syscall_nr < 0)
+	if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
 		return;
 
 	/* Here we're inside tp handler's rcu_read_lock_sched (__DO_TRACE()) */
@@ -567,7 +567,7 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id)
 	int size;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);
-	if (syscall_nr < 0)
+	if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
 		return;
 	if (!test_bit(syscall_nr, enabled_perf_enter_syscalls))
 		return;
@@ -641,7 +641,7 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
 	int size;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);
-	if (syscall_nr < 0)
+	if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
 		return;
 	if (!test_bit(syscall_nr, enabled_perf_exit_syscalls))
 		return;
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 1e031f2..33ce011 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -131,7 +131,9 @@ void __bitmap_shift_right(unsigned long *dst,
 		lower = src[off + k];
 		if (left && off + k == lim - 1)
 			lower &= mask;
-		dst[k] = upper << (BITS_PER_LONG - rem) | lower >> rem;
+		dst[k] = lower >> rem;
+		if (rem)
+			dst[k] |= upper << (BITS_PER_LONG - rem);
 		if (left && k == lim - 1)
 			dst[k] &= mask;
 	}
@@ -172,7 +174,9 @@ void __bitmap_shift_left(unsigned long *dst,
 		upper = src[k];
 		if (left && k == lim - 1)
 			upper &= (1UL << left) - 1;
-		dst[k + off] = lower  >> (BITS_PER_LONG - rem) | upper << rem;
+		dst[k + off] = upper << rem;
+		if (rem)
+			dst[k + off] |= lower >> (BITS_PER_LONG - rem);
 		if (left && k + off == lim - 1)
 			dst[k + off] &= (1UL << left) - 1;
 	}
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 9cdf62f..c9f2e8c 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -203,10 +203,10 @@ void __sg_free_table(struct sg_table *table, unsigned int max_ents,
 		}
 
 		table->orig_nents -= sg_size;
-		if (!skip_first_chunk) {
-			free_fn(sgl, alloc_size);
+		if (skip_first_chunk)
 			skip_first_chunk = false;
-		}
+		else
+			free_fn(sgl, alloc_size);
 		sgl = next;
 	}
 
diff --git a/lib/string.c b/lib/string.c
index f3c6ff5..70db57a 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -604,6 +604,22 @@ void *memset(void *s, int c, size_t count)
 EXPORT_SYMBOL(memset);
 #endif
 
+/**
+ * memzero_explicit - Fill a region of memory (e.g. sensitive
+ *		      keying data) with 0s.
+ * @s: Pointer to the start of the area.
+ * @count: The size of the area.
+ *
+ * memzero_explicit() doesn't need an arch-specific version as
+ * it just invokes the one of memset() implicitly.
+ */
+void memzero_explicit(void *s, size_t count)
+{
+	memset(s, 0, count);
+	OPTIMIZER_HIDE_VAR(s);
+}
+EXPORT_SYMBOL(memzero_explicit);
+
 #ifndef __HAVE_ARCH_MEMCPY
 /**
  * memcpy - Copy one area of memory to another
diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c
index 52abeeb..1811ea2 100644
--- a/mm/balloon_compaction.c
+++ b/mm/balloon_compaction.c
@@ -93,11 +93,13 @@ struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_info)
 		 * to be released by the balloon driver.
 		 */
 		if (trylock_page(page)) {
+#ifdef CONFIG_BALLOON_COMPACTION
 			if (!PagePrivate(page)) {
 				/* raced with isolation */
 				unlock_page(page);
 				continue;
 			}
+#endif
 			spin_lock_irqsave(&b_dev_info->pages_lock, flags);
 			balloon_page_delete(page);
 			spin_unlock_irqrestore(&b_dev_info->pages_lock, flags);
diff --git a/mm/cma.c b/mm/cma.c
index 0ab5646..2904f45 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -123,6 +123,7 @@ static int __init cma_activate_area(struct cma *cma)
 
 err:
 	kfree(cma->bitmap);
+	cma->count = 0;
 	return -EINVAL;
 }
 
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f8ffd94..45c6d67 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -200,7 +200,7 @@ retry:
 	preempt_disable();
 	if (cmpxchg(&huge_zero_page, NULL, zero_page)) {
 		preempt_enable();
-		__free_page(zero_page);
+		__free_pages(zero_page, compound_order(zero_page));
 		goto retry;
 	}
 
@@ -232,7 +232,7 @@ static unsigned long shrink_huge_zero_page_scan(struct shrinker *shrink,
 	if (atomic_cmpxchg(&huge_zero_refcount, 1, 0) == 1) {
 		struct page *zero_page = xchg(&huge_zero_page, NULL);
 		BUG_ON(zero_page == NULL);
-		__free_page(zero_page);
+		__free_pages(zero_page, compound_order(zero_page));
 		return HPAGE_PMD_NR;
 	}
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 28928ce..48914e1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1545,12 +1545,8 @@ int mem_cgroup_swappiness(struct mem_cgroup *memcg)
  *         start move here.
  */
 
-/* for quick checking without looking up memcg */
-atomic_t memcg_moving __read_mostly;
-
 static void mem_cgroup_start_move(struct mem_cgroup *memcg)
 {
-	atomic_inc(&memcg_moving);
 	atomic_inc(&memcg->moving_account);
 	synchronize_rcu();
 }
@@ -1561,10 +1557,8 @@ static void mem_cgroup_end_move(struct mem_cgroup *memcg)
 	 * Now, mem_cgroup_clear_mc() may call this function with NULL.
 	 * We check NULL in callee rather than caller.
 	 */
-	if (memcg) {
-		atomic_dec(&memcg_moving);
+	if (memcg)
 		atomic_dec(&memcg->moving_account);
-	}
 }
 
 /*
@@ -2249,41 +2243,52 @@ cleanup:
 	return true;
 }
 
-/*
- * Used to update mapped file or writeback or other statistics.
+/**
+ * mem_cgroup_begin_page_stat - begin a page state statistics transaction
+ * @page: page that is going to change accounted state
+ * @locked: &memcg->move_lock slowpath was taken
+ * @flags: IRQ-state flags for &memcg->move_lock
  *
- * Notes: Race condition
+ * This function must mark the beginning of an accounted page state
+ * change to prevent double accounting when the page is concurrently
+ * being moved to another memcg:
  *
- * Charging occurs during page instantiation, while the page is
- * unmapped and locked in page migration, or while the page table is
- * locked in THP migration.  No race is possible.
+ *   memcg = mem_cgroup_begin_page_stat(page, &locked, &flags);
+ *   if (TestClearPageState(page))
+ *     mem_cgroup_update_page_stat(memcg, state, -1);
+ *   mem_cgroup_end_page_stat(memcg, locked, flags);
  *
- * Uncharge happens to pages with zero references, no race possible.
+ * The RCU lock is held throughout the transaction.  The fast path can
+ * get away without acquiring the memcg->move_lock (@locked is false)
+ * because page moving starts with an RCU grace period.
  *
- * Charge moving between groups is protected by checking mm->moving
- * account and taking the move_lock in the slowpath.
+ * The RCU lock also protects the memcg from being freed when the page
+ * state that is going to change is the only thing preventing the page
+ * from being uncharged.  E.g. end-writeback clearing PageWriteback(),
+ * which allows migration to go ahead and uncharge the page before the
+ * account transaction might be complete.
  */
-
-void __mem_cgroup_begin_update_page_stat(struct page *page,
-				bool *locked, unsigned long *flags)
+struct mem_cgroup *mem_cgroup_begin_page_stat(struct page *page,
+					      bool *locked,
+					      unsigned long *flags)
 {
 	struct mem_cgroup *memcg;
 	struct page_cgroup *pc;
 
+	rcu_read_lock();
+
+	if (mem_cgroup_disabled())
+		return NULL;
+
 	pc = lookup_page_cgroup(page);
 again:
 	memcg = pc->mem_cgroup;
 	if (unlikely(!memcg || !PageCgroupUsed(pc)))
-		return;
-	/*
-	 * If this memory cgroup is not under account moving, we don't
-	 * need to take move_lock_mem_cgroup(). Because we already hold
-	 * rcu_read_lock(), any calls to move_account will be delayed until
-	 * rcu_read_unlock().
-	 */
-	VM_BUG_ON(!rcu_read_lock_held());
+		return NULL;
+
+	*locked = false;
 	if (atomic_read(&memcg->moving_account) <= 0)
-		return;
+		return memcg;
 
 	move_lock_mem_cgroup(memcg, flags);
 	if (memcg != pc->mem_cgroup || !PageCgroupUsed(pc)) {
@@ -2291,36 +2296,40 @@ again:
 		goto again;
 	}
 	*locked = true;
+
+	return memcg;
 }
 
-void __mem_cgroup_end_update_page_stat(struct page *page, unsigned long *flags)
+/**
+ * mem_cgroup_end_page_stat - finish a page state statistics transaction
+ * @memcg: the memcg that was accounted against
+ * @locked: value received from mem_cgroup_begin_page_stat()
+ * @flags: value received from mem_cgroup_begin_page_stat()
+ */
+void mem_cgroup_end_page_stat(struct mem_cgroup *memcg, bool locked,
+			      unsigned long flags)
 {
-	struct page_cgroup *pc = lookup_page_cgroup(page);
+	if (memcg && locked)
+		move_unlock_mem_cgroup(memcg, &flags);
 
-	/*
-	 * It's guaranteed that pc->mem_cgroup never changes while
-	 * lock is held because a routine modifies pc->mem_cgroup
-	 * should take move_lock_mem_cgroup().
-	 */
-	move_unlock_mem_cgroup(pc->mem_cgroup, flags);
+	rcu_read_unlock();
 }
 
-void mem_cgroup_update_page_stat(struct page *page,
+/**
+ * mem_cgroup_update_page_stat - update page state statistics
+ * @memcg: memcg to account against
+ * @idx: page state item to account
+ * @val: number of pages (positive or negative)
+ *
+ * See mem_cgroup_begin_page_stat() for locking requirements.
+ */
+void mem_cgroup_update_page_stat(struct mem_cgroup *memcg,
 				 enum mem_cgroup_stat_index idx, int val)
 {
-	struct mem_cgroup *memcg;
-	struct page_cgroup *pc = lookup_page_cgroup(page);
-	unsigned long uninitialized_var(flags);
-
-	if (mem_cgroup_disabled())
-		return;
-
 	VM_BUG_ON(!rcu_read_lock_held());
-	memcg = pc->mem_cgroup;
-	if (unlikely(!memcg || !PageCgroupUsed(pc)))
-		return;
 
-	this_cpu_add(memcg->stat->count[idx], val);
+	if (memcg)
+		this_cpu_add(memcg->stat->count[idx], val);
 }
 
 /*
diff --git a/mm/memory.c b/mm/memory.c
index e229970..37b80fc 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1147,6 +1147,7 @@ again:
 				print_bad_pte(vma, addr, ptent, page);
 			if (unlikely(!__tlb_remove_page(tlb, page))) {
 				force_flush = 1;
+				addr += PAGE_SIZE;
 				break;
 			}
 			continue;
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 1e11df8..f1fb141 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -404,6 +404,23 @@ static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
 		dump_tasks(memcg, nodemask);
 }
 
+/*
+ * Number of OOM killer invocations (including memcg OOM killer).
+ * Primarily used by PM freezer to check for potential races with
+ * OOM killed frozen task.
+ */
+static atomic_t oom_kills = ATOMIC_INIT(0);
+
+int oom_kills_count(void)
+{
+	return atomic_read(&oom_kills);
+}
+
+void note_oom_kill(void)
+{
+	atomic_inc(&oom_kills);
+}
+
 #define K(x) ((x) << (PAGE_SHIFT-10))
 /*
  * Must be called while holding a reference to p, which will be released upon
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 91d73ef..ba5fd97 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2116,23 +2116,6 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
 EXPORT_SYMBOL(account_page_dirtied);
 
 /*
- * Helper function for set_page_writeback family.
- *
- * The caller must hold mem_cgroup_begin/end_update_page_stat() lock
- * while calling this function.
- * See test_set_page_writeback for example.
- *
- * NOTE: Unlike account_page_dirtied this does not rely on being atomic
- * wrt interrupts.
- */
-void account_page_writeback(struct page *page)
-{
-	mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
-	inc_zone_page_state(page, NR_WRITEBACK);
-}
-EXPORT_SYMBOL(account_page_writeback);
-
-/*
  * For address_spaces which do not use buffers.  Just tag the page as dirty in
  * its radix tree.
  *
@@ -2344,11 +2327,12 @@ EXPORT_SYMBOL(clear_page_dirty_for_io);
 int test_clear_page_writeback(struct page *page)
 {
 	struct address_space *mapping = page_mapping(page);
-	int ret;
-	bool locked;
 	unsigned long memcg_flags;
+	struct mem_cgroup *memcg;
+	bool locked;
+	int ret;
 
-	mem_cgroup_begin_update_page_stat(page, &locked, &memcg_flags);
+	memcg = mem_cgroup_begin_page_stat(page, &locked, &memcg_flags);
 	if (mapping) {
 		struct backing_dev_info *bdi = mapping->backing_dev_info;
 		unsigned long flags;
@@ -2369,22 +2353,23 @@ int test_clear_page_writeback(struct page *page)
 		ret = TestClearPageWriteback(page);
 	}
 	if (ret) {
-		mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
+		mem_cgroup_dec_page_stat(memcg, MEM_CGROUP_STAT_WRITEBACK);
 		dec_zone_page_state(page, NR_WRITEBACK);
 		inc_zone_page_state(page, NR_WRITTEN);
 	}
-	mem_cgroup_end_update_page_stat(page, &locked, &memcg_flags);
+	mem_cgroup_end_page_stat(memcg, locked, memcg_flags);
 	return ret;
 }
 
 int __test_set_page_writeback(struct page *page, bool keep_write)
 {
 	struct address_space *mapping = page_mapping(page);
-	int ret;
-	bool locked;
 	unsigned long memcg_flags;
+	struct mem_cgroup *memcg;
+	bool locked;
+	int ret;
 
-	mem_cgroup_begin_update_page_stat(page, &locked, &memcg_flags);
+	memcg = mem_cgroup_begin_page_stat(page, &locked, &memcg_flags);
 	if (mapping) {
 		struct backing_dev_info *bdi = mapping->backing_dev_info;
 		unsigned long flags;
@@ -2410,9 +2395,11 @@ int __test_set_page_writeback(struct page *page, bool keep_write)
 	} else {
 		ret = TestSetPageWriteback(page);
 	}
-	if (!ret)
-		account_page_writeback(page);
-	mem_cgroup_end_update_page_stat(page, &locked, &memcg_flags);
+	if (!ret) {
+		mem_cgroup_inc_page_stat(memcg, MEM_CGROUP_STAT_WRITEBACK);
+		inc_zone_page_state(page, NR_WRITEBACK);
+	}
+	mem_cgroup_end_page_stat(memcg, locked, memcg_flags);
 	return ret;
 
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index eee9619..8c5029f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2253,6 +2253,14 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
 	}
 
 	/*
+	 * PM-freezer should be notified that there might be an OOM killer on
+	 * its way to kill and wake somebody up. This is too early and we might
+	 * end up not killing anything but false positives are acceptable.
+	 * See freeze_processes.
+	 */
+	note_oom_kill();
+
+	/*
 	 * Go through the zonelist yet one more time, keep very high watermark
 	 * here, this is only to catch a parallel oom killing, we must fail if
 	 * we're still under heavy pressure.
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 3708264..5331c2b 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -171,6 +171,7 @@ static void free_page_cgroup(void *addr)
 			sizeof(struct page_cgroup) * PAGES_PER_SECTION;
 
 		BUG_ON(PageReserved(page));
+		kmemleak_free(addr);
 		free_pages_exact(addr, table_size);
 	}
 }
diff --git a/mm/percpu.c b/mm/percpu.c
index da997f9..2139e30 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1932,8 +1932,6 @@ void __init setup_per_cpu_areas(void)
 
 	if (pcpu_setup_first_chunk(ai, fc) < 0)
 		panic("Failed to initialize percpu areas.");
-
-	pcpu_free_alloc_info(ai);
 }
 
 #endif	/* CONFIG_SMP */
diff --git a/mm/rmap.c b/mm/rmap.c
index 3e8491c..e01318d 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1042,15 +1042,16 @@ void page_add_new_anon_rmap(struct page *page,
  */
 void page_add_file_rmap(struct page *page)
 {
-	bool locked;
+	struct mem_cgroup *memcg;
 	unsigned long flags;
+	bool locked;
 
-	mem_cgroup_begin_update_page_stat(page, &locked, &flags);
+	memcg = mem_cgroup_begin_page_stat(page, &locked, &flags);
 	if (atomic_inc_and_test(&page->_mapcount)) {
 		__inc_zone_page_state(page, NR_FILE_MAPPED);
-		mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED);
+		mem_cgroup_inc_page_stat(memcg, MEM_CGROUP_STAT_FILE_MAPPED);
 	}
-	mem_cgroup_end_update_page_stat(page, &locked, &flags);
+	mem_cgroup_end_page_stat(memcg, locked, flags);
 }
 
 /**
@@ -1061,9 +1062,10 @@ void page_add_file_rmap(struct page *page)
  */
 void page_remove_rmap(struct page *page)
 {
+	struct mem_cgroup *uninitialized_var(memcg);
 	bool anon = PageAnon(page);
-	bool locked;
 	unsigned long flags;
+	bool locked;
 
 	/*
 	 * The anon case has no mem_cgroup page_stat to update; but may
@@ -1071,7 +1073,7 @@ void page_remove_rmap(struct page *page)
 	 * we hold the lock against page_stat move: so avoid it on anon.
 	 */
 	if (!anon)
-		mem_cgroup_begin_update_page_stat(page, &locked, &flags);
+		memcg = mem_cgroup_begin_page_stat(page, &locked, &flags);
 
 	/* page still mapped by someone else? */
 	if (!atomic_add_negative(-1, &page->_mapcount))
@@ -1096,8 +1098,7 @@ void page_remove_rmap(struct page *page)
 				-hpage_nr_pages(page));
 	} else {
 		__dec_zone_page_state(page, NR_FILE_MAPPED);
-		mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED);
-		mem_cgroup_end_update_page_stat(page, &locked, &flags);
+		mem_cgroup_dec_page_stat(memcg, MEM_CGROUP_STAT_FILE_MAPPED);
 	}
 	if (unlikely(PageMlocked(page)))
 		clear_page_mlock(page);
@@ -1110,10 +1111,9 @@ void page_remove_rmap(struct page *page)
 	 * Leaving it set also helps swapoff to reinstate ptes
 	 * faster for those pages still in swapcache.
 	 */
-	return;
 out:
 	if (!anon)
-		mem_cgroup_end_update_page_stat(page, &locked, &flags);
+		mem_cgroup_end_page_stat(memcg, locked, flags);
 }
 
 /*
diff --git a/mm/truncate.c b/mm/truncate.c
index 96d1673..c646084 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -20,6 +20,7 @@
 #include <linux/buffer_head.h>	/* grr. try_to_release_page,
 				   do_invalidatepage */
 #include <linux/cleancache.h>
+#include <linux/rmap.h>
 #include "internal.h"
 
 static void clear_exceptional_entry(struct address_space *mapping,
@@ -719,12 +720,67 @@ EXPORT_SYMBOL(truncate_pagecache);
  */
 void truncate_setsize(struct inode *inode, loff_t newsize)
 {
+	loff_t oldsize = inode->i_size;
+
 	i_size_write(inode, newsize);
+	if (newsize > oldsize)
+		pagecache_isize_extended(inode, oldsize, newsize);
 	truncate_pagecache(inode, newsize);
 }
 EXPORT_SYMBOL(truncate_setsize);
 
 /**
+ * pagecache_isize_extended - update pagecache after extension of i_size
+ * @inode:	inode for which i_size was extended
+ * @from:	original inode size
+ * @to:		new inode size
+ *
+ * Handle extension of inode size either caused by extending truncate or by
+ * write starting after current i_size. We mark the page straddling current
+ * i_size RO so that page_mkwrite() is called on the nearest write access to
+ * the page.  This way filesystem can be sure that page_mkwrite() is called on
+ * the page before user writes to the page via mmap after the i_size has been
+ * changed.
+ *
+ * The function must be called after i_size is updated so that page fault
+ * coming after we unlock the page will already see the new i_size.
+ * The function must be called while we still hold i_mutex - this not only
+ * makes sure i_size is stable but also that userspace cannot observe new
+ * i_size value before we are prepared to store mmap writes at new inode size.
+ */
+void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to)
+{
+	int bsize = 1 << inode->i_blkbits;
+	loff_t rounded_from;
+	struct page *page;
+	pgoff_t index;
+
+	WARN_ON(to > inode->i_size);
+
+	if (from >= to || bsize == PAGE_CACHE_SIZE)
+		return;
+	/* Page straddling @from will not have any hole block created? */
+	rounded_from = round_up(from, bsize);
+	if (to <= rounded_from || !(rounded_from & (PAGE_CACHE_SIZE - 1)))
+		return;
+
+	index = from >> PAGE_CACHE_SHIFT;
+	page = find_lock_page(inode->i_mapping, index);
+	/* Page not cached? Nothing to do */
+	if (!page)
+		return;
+	/*
+	 * See clear_page_dirty_for_io() for details why set_page_dirty()
+	 * is needed.
+	 */
+	if (page_mkclean(page))
+		set_page_dirty(page);
+	unlock_page(page);
+	page_cache_release(page);
+}
+EXPORT_SYMBOL(pagecache_isize_extended);
+
+/**
  * truncate_pagecache_range - unmap and remove pagecache that is hole-punched
  * @inode: inode
  * @lstart: offset of beginning of hole
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index b2f571d..9f02369 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -292,7 +292,11 @@ int ceph_msgr_init(void)
 	if (ceph_msgr_slab_init())
 		return -ENOMEM;
 
-	ceph_msgr_wq = alloc_workqueue("ceph-msgr", 0, 0);
+	/*
+	 * The number of active work items is limited by the number of
+	 * connections, so leave @max_active at default.
+	 */
+	ceph_msgr_wq = alloc_workqueue("ceph-msgr", WQ_MEM_RECLAIM, 0);
 	if (ceph_msgr_wq)
 		return 0;
 
diff --git a/net/core/tso.c b/net/core/tso.c
index 8c3203c..630b30b 100644
--- a/net/core/tso.c
+++ b/net/core/tso.c
@@ -1,6 +1,7 @@
 #include <linux/export.h>
 #include <net/ip.h>
 #include <net/tso.h>
+#include <asm/unaligned.h>
 
 /* Calculate expected number of TX descriptors */
 int tso_count_descs(struct sk_buff *skb)
@@ -23,7 +24,7 @@ void tso_build_hdr(struct sk_buff *skb, char *hdr, struct tso_t *tso,
 	iph->id = htons(tso->ip_id);
 	iph->tot_len = htons(size + hdr_len - mac_hdr_len);
 	tcph = (struct tcphdr *)(hdr + skb_transport_offset(skb));
-	tcph->seq = htonl(tso->tcp_seq);
+	put_unaligned_be32(tso->tcp_seq, &tcph->seq);
 	tso->ip_id++;
 
 	if (!is_last) {
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index b10cd43a..4a74ea8 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -535,7 +535,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
 			return 1;
 
 		attrlen = rtnh_attrlen(rtnh);
-		if (attrlen < 0) {
+		if (attrlen > 0) {
 			struct nlattr *nla, *attrs = rtnh_attrs(rtnh);
 
 			nla = nla_find(attrs, attrlen, RTA_GATEWAY);
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index 6556263..dd73bea 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -51,7 +51,7 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
 
 	greh = (struct gre_base_hdr *)skb_transport_header(skb);
 
-	ghl = skb_inner_network_header(skb) - skb_transport_header(skb);
+	ghl = skb_inner_mac_header(skb) - skb_transport_header(skb);
 	if (unlikely(ghl < sizeof(*greh)))
 		goto out;
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 215af2b..c43a1e2 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1533,6 +1533,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
 	struct sk_buff *nskb;
 	struct sock *sk;
 	struct inet_sock *inet;
+	int err;
 
 	if (ip_options_echo(&replyopts.opt.opt, skb))
 		return;
@@ -1572,8 +1573,13 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
 	sock_net_set(sk, net);
 	__skb_queue_head_init(&sk->sk_write_queue);
 	sk->sk_sndbuf = sysctl_wmem_default;
-	ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base, len, 0,
-		       &ipc, &rt, MSG_DONTWAIT);
+	err = ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base,
+			     len, 0, &ipc, &rt, MSG_DONTWAIT);
+	if (unlikely(err)) {
+		ip_flush_pending_frames(sk);
+		goto out;
+	}
+
 	nskb = skb_peek(&sk->sk_write_queue);
 	if (nskb) {
 		if (arg->csumoffset >= 0)
@@ -1585,7 +1591,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
 		skb_set_queue_mapping(nskb, skb_get_queue_mapping(skb));
 		ip_push_pending_frames(sk, &fl4);
 	}
-
+out:
 	put_cpu_var(unicast_sock);
 
 	ip_rt_put(rt);
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index f4c987b..88c386c 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -91,11 +91,12 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto)
 	skb_pull_rcsum(skb, hdr_len);
 
 	if (inner_proto == htons(ETH_P_TEB)) {
-		struct ethhdr *eh = (struct ethhdr *)skb->data;
+		struct ethhdr *eh;
 
 		if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
 			return -ENOMEM;
 
+		eh = (struct ethhdr *)skb->data;
 		if (likely(ntohs(eh->h_proto) >= ETH_P_802_3_MIN))
 			skb->protocol = eh->h_proto;
 		else
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index cbadb94..29836f8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1798,6 +1798,7 @@ local_input:
 no_route:
 	RT_CACHE_STAT_INC(in_no_route);
 	res.type = RTN_UNREACHABLE;
+	res.fi = NULL;
 	goto local_input;
 
 	/*
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 541f26a..6b0b38f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2985,61 +2985,42 @@ EXPORT_SYMBOL(compat_tcp_getsockopt);
 #endif
 
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_md5sig_pool __percpu *tcp_md5sig_pool __read_mostly;
+static DEFINE_PER_CPU(struct tcp_md5sig_pool, tcp_md5sig_pool);
 static DEFINE_MUTEX(tcp_md5sig_mutex);
-
-static void __tcp_free_md5sig_pool(struct tcp_md5sig_pool __percpu *pool)
-{
-	int cpu;
-
-	for_each_possible_cpu(cpu) {
-		struct tcp_md5sig_pool *p = per_cpu_ptr(pool, cpu);
-
-		if (p->md5_desc.tfm)
-			crypto_free_hash(p->md5_desc.tfm);
-	}
-	free_percpu(pool);
-}
+static bool tcp_md5sig_pool_populated = false;
 
 static void __tcp_alloc_md5sig_pool(void)
 {
 	int cpu;
-	struct tcp_md5sig_pool __percpu *pool;
-
-	pool = alloc_percpu(struct tcp_md5sig_pool);
-	if (!pool)
-		return;
 
 	for_each_possible_cpu(cpu) {
-		struct crypto_hash *hash;
-
-		hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
-		if (IS_ERR_OR_NULL(hash))
-			goto out_free;
+		if (!per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm) {
+			struct crypto_hash *hash;
 
-		per_cpu_ptr(pool, cpu)->md5_desc.tfm = hash;
+			hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
+			if (IS_ERR_OR_NULL(hash))
+				return;
+			per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm = hash;
+		}
 	}
-	/* before setting tcp_md5sig_pool, we must commit all writes
-	 * to memory. See ACCESS_ONCE() in tcp_get_md5sig_pool()
+	/* before setting tcp_md5sig_pool_populated, we must commit all writes
+	 * to memory. See smp_rmb() in tcp_get_md5sig_pool()
 	 */
 	smp_wmb();
-	tcp_md5sig_pool = pool;
-	return;
-out_free:
-	__tcp_free_md5sig_pool(pool);
+	tcp_md5sig_pool_populated = true;
 }
 
 bool tcp_alloc_md5sig_pool(void)
 {
-	if (unlikely(!tcp_md5sig_pool)) {
+	if (unlikely(!tcp_md5sig_pool_populated)) {
 		mutex_lock(&tcp_md5sig_mutex);
 
-		if (!tcp_md5sig_pool)
+		if (!tcp_md5sig_pool_populated)
 			__tcp_alloc_md5sig_pool();
 
 		mutex_unlock(&tcp_md5sig_mutex);
 	}
-	return tcp_md5sig_pool != NULL;
+	return tcp_md5sig_pool_populated;
 }
 EXPORT_SYMBOL(tcp_alloc_md5sig_pool);
 
@@ -3053,13 +3034,13 @@ EXPORT_SYMBOL(tcp_alloc_md5sig_pool);
  */
 struct tcp_md5sig_pool *tcp_get_md5sig_pool(void)
 {
-	struct tcp_md5sig_pool __percpu *p;
-
 	local_bh_disable();
-	p = ACCESS_ONCE(tcp_md5sig_pool);
-	if (p)
-		return __this_cpu_ptr(p);
 
+	if (tcp_md5sig_pool_populated) {
+		/* coupled with smp_wmb() in __tcp_alloc_md5sig_pool() */
+		smp_rmb();
+		return this_cpu_ptr(&tcp_md5sig_pool);
+	}
 	local_bh_enable();
 	return NULL;
 }
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index cd17f00..3f49eae 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -208,8 +208,6 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	inet->inet_dport = usin->sin_port;
 	inet->inet_daddr = daddr;
 
-	inet_set_txhash(sk);
-
 	inet_csk(sk)->icsk_ext_hdr_len = 0;
 	if (inet_opt)
 		inet_csk(sk)->icsk_ext_hdr_len = inet_opt->opt.optlen;
@@ -226,6 +224,8 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (err)
 		goto failure;
 
+	inet_set_txhash(sk);
+
 	rt = ip_route_newports(fl4, rt, orig_sport, orig_dport,
 			       inet->inet_sport, inet->inet_dport, sk);
 	if (IS_ERR(rt)) {
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 5ec867e..1d4156d 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -3,11 +3,45 @@
  * not configured or static.  These functions are needed by GSO/GRO implementation.
  */
 #include <linux/export.h>
+#include <net/ip.h>
 #include <net/ipv6.h>
 #include <net/ip6_fib.h>
 #include <net/addrconf.h>
 #include <net/secure_seq.h>
 
+/* This function exists only for tap drivers that must support broken
+ * clients requesting UFO without specifying an IPv6 fragment ID.
+ *
+ * This is similar to ipv6_select_ident() but we use an independent hash
+ * seed to limit information leakage.
+ *
+ * The network header must be set before calling this.
+ */
+void ipv6_proxy_select_ident(struct sk_buff *skb)
+{
+	static u32 ip6_proxy_idents_hashrnd __read_mostly;
+	struct in6_addr buf[2];
+	struct in6_addr *addrs;
+	u32 hash, id;
+
+	addrs = skb_header_pointer(skb,
+				   skb_network_offset(skb) +
+				   offsetof(struct ipv6hdr, saddr),
+				   sizeof(buf), buf);
+	if (!addrs)
+		return;
+
+	net_get_random_once(&ip6_proxy_idents_hashrnd,
+			    sizeof(ip6_proxy_idents_hashrnd));
+
+	hash = __ipv6_addr_jhash(&addrs[1], ip6_proxy_idents_hashrnd);
+	hash = __ipv6_addr_jhash(&addrs[0], hash);
+
+	id = ip_idents_reserve(hash, 1);
+	skb_shinfo(skb)->ip6_frag_id = htonl(id);
+}
+EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident);
+
 int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 {
 	u16 offset = sizeof(struct ipv6hdr);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 29964c3..264c0f2 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -198,8 +198,6 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	sk->sk_v6_daddr = usin->sin6_addr;
 	np->flow_label = fl6.flowlabel;
 
-	ip6_set_txhash(sk);
-
 	/*
 	 *	TCP over IPv4
 	 */
@@ -295,6 +293,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	if (err)
 		goto late_failure;
 
+	ip6_set_txhash(sk);
+
 	if (!tp->write_seq && likely(!tp->repair))
 		tp->write_seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32,
 							     sk->sk_v6_daddr.s6_addr32,
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 8fdadfd..6081329 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -448,7 +448,7 @@ static void rate_fixup_ratelist(struct ieee80211_vif *vif,
 	 */
 	if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
 		u32 basic_rates = vif->bss_conf.basic_rates;
-		s8 baserate = basic_rates ? ffs(basic_rates - 1) : 0;
+		s8 baserate = basic_rates ? ffs(basic_rates) - 1 : 0;
 
 		rate = &sband->bitrates[rates[0].idx];
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c416725..f1de72d 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -96,6 +96,14 @@ static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait);
 static int netlink_dump(struct sock *sk);
 static void netlink_skb_destructor(struct sk_buff *skb);
 
+/* nl_table locking explained:
+ * Lookup and traversal are protected with nl_sk_hash_lock or nl_table_lock
+ * combined with an RCU read-side lock. Insertion and removal are protected
+ * with nl_sk_hash_lock while using RCU list modification primitives and may
+ * run in parallel to nl_table_lock protected lookups. Destruction of the
+ * Netlink socket may only occur *after* nl_table_lock has been acquired
+ * either during or after the socket has been removed from the list.
+ */
 DEFINE_RWLOCK(nl_table_lock);
 EXPORT_SYMBOL_GPL(nl_table_lock);
 static atomic_t nl_table_users = ATOMIC_INIT(0);
@@ -109,10 +117,10 @@ EXPORT_SYMBOL_GPL(nl_sk_hash_lock);
 static int lockdep_nl_sk_hash_is_held(void)
 {
 #ifdef CONFIG_LOCKDEP
-	return (debug_locks) ? lockdep_is_held(&nl_sk_hash_lock) : 1;
-#else
-	return 1;
+	if (debug_locks)
+		return lockdep_is_held(&nl_sk_hash_lock) || lockdep_is_held(&nl_table_lock);
 #endif
+	return 1;
 }
 
 static ATOMIC_NOTIFIER_HEAD(netlink_chain);
@@ -715,7 +723,7 @@ static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg,
 	 * after validation, the socket and the ring may only be used by a
 	 * single process, otherwise we fall back to copying.
 	 */
-	if (atomic_long_read(&sk->sk_socket->file->f_count) > 2 ||
+	if (atomic_long_read(&sk->sk_socket->file->f_count) > 1 ||
 	    atomic_read(&nlk->mapped) > 1)
 		excl = false;
 
@@ -1028,11 +1036,13 @@ static struct sock *netlink_lookup(struct net *net, int protocol, u32 portid)
 	struct netlink_table *table = &nl_table[protocol];
 	struct sock *sk;
 
+	read_lock(&nl_table_lock);
 	rcu_read_lock();
 	sk = __netlink_lookup(table, portid, net);
 	if (sk)
 		sock_hold(sk);
 	rcu_read_unlock();
+	read_unlock(&nl_table_lock);
 
 	return sk;
 }
@@ -1257,9 +1267,6 @@ static int netlink_release(struct socket *sock)
 	}
 	netlink_table_ungrab();
 
-	/* Wait for readers to complete */
-	synchronize_net();
-
 	kfree(nlk->groups);
 	nlk->groups = NULL;
 
@@ -1281,6 +1288,7 @@ static int netlink_autobind(struct socket *sock)
 
 retry:
 	cond_resched();
+	netlink_table_grab();
 	rcu_read_lock();
 	if (__netlink_lookup(table, portid, net)) {
 		/* Bind collision, search negative portid values. */
@@ -1288,9 +1296,11 @@ retry:
 		if (rover > -4097)
 			rover = -4097;
 		rcu_read_unlock();
+		netlink_table_ungrab();
 		goto retry;
 	}
 	rcu_read_unlock();
+	netlink_table_ungrab();
 
 	err = netlink_insert(sk, net, portid);
 	if (err == -EADDRINUSE)
@@ -2921,14 +2931,16 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *netlink_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(RCU)
+	__acquires(nl_table_lock) __acquires(RCU)
 {
+	read_lock(&nl_table_lock);
 	rcu_read_lock();
 	return *pos ? netlink_seq_socket_idx(seq, *pos - 1) : SEQ_START_TOKEN;
 }
 
 static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
+	struct rhashtable *ht;
 	struct netlink_sock *nlk;
 	struct nl_seq_iter *iter;
 	struct net *net;
@@ -2943,19 +2955,19 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	iter = seq->private;
 	nlk = v;
 
-	rht_for_each_entry_rcu(nlk, nlk->node.next, node)
+	i = iter->link;
+	ht = &nl_table[i].hash;
+	rht_for_each_entry(nlk, nlk->node.next, ht, node)
 		if (net_eq(sock_net((struct sock *)nlk), net))
 			return nlk;
 
-	i = iter->link;
 	j = iter->hash_idx + 1;
 
 	do {
-		struct rhashtable *ht = &nl_table[i].hash;
 		const struct bucket_table *tbl = rht_dereference_rcu(ht->tbl, ht);
 
 		for (; j < tbl->size; j++) {
-			rht_for_each_entry_rcu(nlk, tbl->buckets[j], node) {
+			rht_for_each_entry(nlk, tbl->buckets[j], ht, node) {
 				if (net_eq(sock_net((struct sock *)nlk), net)) {
 					iter->link = i;
 					iter->hash_idx = j;
@@ -2971,9 +2983,10 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void netlink_seq_stop(struct seq_file *seq, void *v)
-	__releases(RCU)
+	__releases(RCU) __releases(nl_table_lock)
 {
 	rcu_read_unlock();
+	read_unlock(&nl_table_lock);
 }
 
 
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 488ddee..e0b94ce 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -461,6 +461,8 @@ struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
 
 	if (args->flags & RPC_CLNT_CREATE_AUTOBIND)
 		clnt->cl_autobind = 1;
+	if (args->flags & RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT)
+		clnt->cl_noretranstimeo = 1;
 	if (args->flags & RPC_CLNT_CREATE_DISCRTRY)
 		clnt->cl_discrtry = 1;
 	if (!(args->flags & RPC_CLNT_CREATE_QUIET))
@@ -579,6 +581,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
 	/* Turn off autobind on clones */
 	new->cl_autobind = 0;
 	new->cl_softrtry = clnt->cl_softrtry;
+	new->cl_noretranstimeo = clnt->cl_noretranstimeo;
 	new->cl_discrtry = clnt->cl_discrtry;
 	new->cl_chatty = clnt->cl_chatty;
 	return new;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 43cd89e..700f879 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -845,6 +845,8 @@ static void xs_error_report(struct sock *sk)
 	dprintk("RPC:       xs_error_report client %p, error=%d...\n",
 			xprt, -err);
 	trace_rpc_socket_error(xprt, sk->sk_socket, err);
+	if (test_bit(XPRT_CONNECTION_REUSE, &xprt->state))
+		goto out;
 	xprt_wake_pending_tasks(xprt, err);
  out:
 	read_unlock_bh(&sk->sk_callback_lock);
@@ -2245,7 +2247,9 @@ static void xs_tcp_setup_socket(struct work_struct *work)
 		abort_and_exit = test_and_clear_bit(XPRT_CONNECTION_ABORT,
 				&xprt->state);
 		/* "close" the socket, preserving the local port */
+		set_bit(XPRT_CONNECTION_REUSE, &xprt->state);
 		xs_tcp_reuse_connection(transport);
+		clear_bit(XPRT_CONNECTION_REUSE, &xprt->state);
 
 		if (abort_and_exit)
 			goto out_eagain;
diff --git a/net/tipc/link.c b/net/tipc/link.c
index fb1485d..6402065 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1936,7 +1936,12 @@ void tipc_link_bundle_rcv(struct sk_buff *buf)
 		}
 		omsg = buf_msg(obuf);
 		pos += align(msg_size(omsg));
-		if (msg_isdata(omsg) || (msg_user(omsg) == CONN_MANAGER)) {
+		if (msg_isdata(omsg)) {
+			if (unlikely(msg_type(omsg) == TIPC_MCAST_MSG))
+				tipc_sk_mcast_rcv(obuf);
+			else
+				tipc_sk_rcv(obuf);
+		} else if (msg_user(omsg) == CONN_MANAGER) {
 			tipc_sk_rcv(obuf);
 		} else if (msg_user(omsg) == NAME_DISTRIBUTOR) {
 			tipc_named_rcv(obuf);
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 3bcb80d..970772c 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -284,6 +284,13 @@ static int evm_protect_xattr(struct dentry *dentry, const char *xattr_name,
 		goto out;
 	}
 	evm_status = evm_verify_current_integrity(dentry);
+	if (evm_status == INTEGRITY_NOXATTRS) {
+		struct integrity_iint_cache *iint;
+
+		iint = integrity_iint_find(dentry->d_inode);
+		if (iint && (iint->flags & IMA_NEW_FILE))
+			return 0;
+	}
 out:
 	if (evm_status != INTEGRITY_PASS)
 		integrity_audit_msg(AUDIT_INTEGRITY_METADATA, dentry->d_inode,
@@ -311,9 +318,12 @@ int evm_inode_setxattr(struct dentry *dentry, const char *xattr_name,
 {
 	const struct evm_ima_xattr_data *xattr_data = xattr_value;
 
-	if ((strcmp(xattr_name, XATTR_NAME_EVM) == 0)
-	    && (xattr_data->type == EVM_XATTR_HMAC))
-		return -EPERM;
+	if (strcmp(xattr_name, XATTR_NAME_EVM) == 0) {
+		if (!xattr_value_len)
+			return -EINVAL;
+		if (xattr_data->type != EVM_IMA_XATTR_DIGSIG)
+			return -EPERM;
+	}
 	return evm_protect_xattr(dentry, xattr_name, xattr_value,
 				 xattr_value_len);
 }
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 225fd94..5850943 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -378,6 +378,8 @@ int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
 	result = ima_protect_xattr(dentry, xattr_name, xattr_value,
 				   xattr_value_len);
 	if (result == 1) {
+		if (!xattr_value_len || (xvalue->type >= IMA_XATTR_LAST))
+			return -EINVAL;
 		ima_reset_appraise_flags(dentry->d_inode,
 			 (xvalue->type == EVM_IMA_XATTR_DIGSIG) ? 1 : 0);
 		result = 0;
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index 904e68a..6885058 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -61,6 +61,7 @@ enum evm_ima_xattr_type {
 	EVM_XATTR_HMAC,
 	EVM_IMA_XATTR_DIGSIG,
 	IMA_XATTR_DIGEST_NG,
+	IMA_XATTR_LAST
 };
 
 struct evm_ima_xattr_data {
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index b0e9404..e03bad5 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -481,6 +481,7 @@ next_inode:
 				list_entry(sbsec->isec_head.next,
 					   struct inode_security_struct, list);
 		struct inode *inode = isec->inode;
+		list_del_init(&isec->list);
 		spin_unlock(&sbsec->isec_lock);
 		inode = igrab(inode);
 		if (inode) {
@@ -489,7 +490,6 @@ next_inode:
 			iput(inode);
 		}
 		spin_lock(&sbsec->isec_lock);
-		list_del_init(&isec->list);
 		goto next_inode;
 	}
 	spin_unlock(&sbsec->isec_lock);
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 102e8fd..2d957ba 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -210,6 +210,8 @@ static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream,
 	if (err < 0)
 		return err;
 
+	if (clear_user(src, sizeof(*src)))
+		return -EFAULT;
 	if (put_user(status.state, &src->state) ||
 	    compat_put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) ||
 	    compat_put_timespec(&status.tstamp, &src->tstamp) ||
diff --git a/sound/firewire/bebob/bebob_focusrite.c b/sound/firewire/bebob/bebob_focusrite.c
index 45a0eed..3b052ed 100644
--- a/sound/firewire/bebob/bebob_focusrite.c
+++ b/sound/firewire/bebob/bebob_focusrite.c
@@ -27,12 +27,14 @@
 #define SAFFIRE_CLOCK_SOURCE_INTERNAL		0
 #define SAFFIRE_CLOCK_SOURCE_SPDIF		1
 
-/* '1' is absent, why... */
+/* clock sources as returned from register of Saffire Pro 10 and 26 */
 #define SAFFIREPRO_CLOCK_SOURCE_INTERNAL	0
+#define SAFFIREPRO_CLOCK_SOURCE_SKIP		1 /* never used on hardware */
 #define SAFFIREPRO_CLOCK_SOURCE_SPDIF		2
-#define SAFFIREPRO_CLOCK_SOURCE_ADAT1		3
-#define SAFFIREPRO_CLOCK_SOURCE_ADAT2		4
+#define SAFFIREPRO_CLOCK_SOURCE_ADAT1		3 /* not used on s.pro. 10 */
+#define SAFFIREPRO_CLOCK_SOURCE_ADAT2		4 /* not used on s.pro. 10 */
 #define SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK	5
+#define SAFFIREPRO_CLOCK_SOURCE_COUNT		6
 
 /* S/PDIF, ADAT1, ADAT2 is enabled or not. three quadlets */
 #define SAFFIREPRO_ENABLE_DIG_IFACES		0x01a4
@@ -101,13 +103,34 @@ saffire_write_quad(struct snd_bebob *bebob, u64 offset, u32 value)
 				  &data, sizeof(__be32), 0);
 }
 
+static char *const saffirepro_10_clk_src_labels[] = {
+	SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "Word Clock"
+};
 static char *const saffirepro_26_clk_src_labels[] = {
 	SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "ADAT1", "ADAT2", "Word Clock"
 };
-
-static char *const saffirepro_10_clk_src_labels[] = {
-	SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "Word Clock"
+/* Value maps between registers and labels for SaffirePro 10/26. */
+static const signed char saffirepro_clk_maps[][SAFFIREPRO_CLOCK_SOURCE_COUNT] = {
+	/* SaffirePro 10 */
+	[0] = {
+		[SAFFIREPRO_CLOCK_SOURCE_INTERNAL]  =  0,
+		[SAFFIREPRO_CLOCK_SOURCE_SKIP]      = -1, /* not supported */
+		[SAFFIREPRO_CLOCK_SOURCE_SPDIF]     =  1,
+		[SAFFIREPRO_CLOCK_SOURCE_ADAT1]     = -1, /* not supported */
+		[SAFFIREPRO_CLOCK_SOURCE_ADAT2]     = -1, /* not supported */
+		[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] =  2,
+	},
+	/* SaffirePro 26 */
+	[1] = {
+		[SAFFIREPRO_CLOCK_SOURCE_INTERNAL]  =  0,
+		[SAFFIREPRO_CLOCK_SOURCE_SKIP]      = -1, /* not supported */
+		[SAFFIREPRO_CLOCK_SOURCE_SPDIF]     =  1,
+		[SAFFIREPRO_CLOCK_SOURCE_ADAT1]     =  2,
+		[SAFFIREPRO_CLOCK_SOURCE_ADAT2]     =  3,
+		[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] =  4,
+	}
 };
+
 static int
 saffirepro_both_clk_freq_get(struct snd_bebob *bebob, unsigned int *rate)
 {
@@ -138,24 +161,35 @@ saffirepro_both_clk_freq_set(struct snd_bebob *bebob, unsigned int rate)
 
 	return saffire_write_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, id);
 }
+
+/*
+ * query hardware for current clock source, return our internally
+ * used clock index in *id, depending on hardware.
+ */
 static int
 saffirepro_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
 {
 	int err;
-	u32 value;
+	u32 value;       /* clock source read from hw register */
+	const signed char *map;
 
 	err = saffire_read_quad(bebob, SAFFIREPRO_OFFSET_CLOCK_SOURCE, &value);
 	if (err < 0)
 		goto end;
 
-	if (bebob->spec->clock->labels == saffirepro_10_clk_src_labels) {
-		if (value == SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK)
-			*id = 2;
-		else if (value == SAFFIREPRO_CLOCK_SOURCE_SPDIF)
-			*id = 1;
-	} else if (value > 1) {
-		*id = value - 1;
+	/* depending on hardware, use a different mapping */
+	if (bebob->spec->clock->labels == saffirepro_10_clk_src_labels)
+		map = saffirepro_clk_maps[0];
+	else
+		map = saffirepro_clk_maps[1];
+
+	/* In a case that this driver cannot handle the value of register. */
+	if (value >= SAFFIREPRO_CLOCK_SOURCE_COUNT || map[value] < 0) {
+		err = -EIO;
+		goto end;
 	}
+
+	*id = (unsigned int)map[value];
 end:
 	return err;
 }
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c
index ef4d0c9..1aab0a32 100644
--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -129,12 +129,24 @@ snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob, bool *internal)
 	/* 1.The device has its own operation to switch source of clock */
 	if (clk_spec) {
 		err = clk_spec->get(bebob, &id);
-		if (err < 0)
+		if (err < 0) {
 			dev_err(&bebob->unit->device,
 				"fail to get clock source: %d\n", err);
-		else if (strncmp(clk_spec->labels[id], SND_BEBOB_CLOCK_INTERNAL,
-				 strlen(SND_BEBOB_CLOCK_INTERNAL)) == 0)
+			goto end;
+		}
+
+		if (id >= clk_spec->num) {
+			dev_err(&bebob->unit->device,
+				"clock source %d out of range 0..%d\n",
+				id, clk_spec->num - 1);
+			err = -EIO;
+			goto end;
+		}
+
+		if (strncmp(clk_spec->labels[id], SND_BEBOB_CLOCK_INTERNAL,
+			    strlen(SND_BEBOB_CLOCK_INTERNAL)) == 0)
 			*internal = true;
+
 		goto end;
 	}
 
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index aa302fb..0a7f848 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -373,6 +373,8 @@ static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool
 #ifdef CONFIG_SND_DMA_SGBUF
 	if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
 		struct snd_sg_buf *sgbuf = dmab->private_data;
+		if (chip->driver_type == AZX_DRIVER_CMEDIA)
+			return; /* deal with only CORB/RIRB buffers */
 		if (on)
 			set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
 		else
@@ -1768,7 +1770,7 @@ static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
 #ifdef CONFIG_X86
 	struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
 	struct azx *chip = apcm->chip;
-	if (!azx_snoop(chip))
+	if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
 		area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
 #endif
 }
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index b7b293c..0c9d588 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5008,9 +5008,6 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x2224, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
 	SND_PCI_QUIRK(0x103c, 0x2225, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
 	SND_PCI_QUIRK(0x103c, 0x2246, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
-	SND_PCI_QUIRK(0x103c, 0x2247, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
-	SND_PCI_QUIRK(0x103c, 0x2248, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
-	SND_PCI_QUIRK(0x103c, 0x2249, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
 	SND_PCI_QUIRK(0x103c, 0x2253, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
 	SND_PCI_QUIRK(0x103c, 0x2254, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
 	SND_PCI_QUIRK(0x103c, 0x2255, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
diff --git a/sound/soc/codecs/adau1761.c b/sound/soc/codecs/adau1761.c
index 848cab8..2e9e90d 100644
--- a/sound/soc/codecs/adau1761.c
+++ b/sound/soc/codecs/adau1761.c
@@ -405,6 +405,7 @@ static const struct snd_soc_dapm_widget adau1761_dapm_widgets[] = {
 		2, 0, NULL, 0),
 
 	SND_SOC_DAPM_SUPPLY("Slew Clock", ADAU1761_CLK_ENABLE0, 6, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("ALC Clock", ADAU1761_CLK_ENABLE0, 5, 0, NULL, 0),
 
 	SND_SOC_DAPM_SUPPLY_S("Digital Clock 0", 1, ADAU1761_CLK_ENABLE1,
 		0, 0, NULL, 0),
@@ -436,6 +437,9 @@ static const struct snd_soc_dapm_route adau1761_dapm_routes[] = {
 	{ "Right Playback Mixer", NULL, "Slew Clock" },
 	{ "Left Playback Mixer", NULL, "Slew Clock" },
 
+	{ "Left Input Mixer", NULL, "ALC Clock" },
+	{ "Right Input Mixer", NULL, "ALC Clock" },
+
 	{ "Digital Clock 0", NULL, "SYSCLK" },
 	{ "Digital Clock 1", NULL, "SYSCLK" },
 };
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 64f179e..5e8626a 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1121,6 +1121,7 @@ static int aic3x_regulator_event(struct notifier_block *nb,
 static int aic3x_set_power(struct snd_soc_codec *codec, int power)
 {
 	struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
+	unsigned int pll_c, pll_d;
 	int ret;
 
 	if (power) {
@@ -1138,6 +1139,18 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
 		/* Sync reg_cache with the hardware */
 		regcache_cache_only(aic3x->regmap, false);
 		regcache_sync(aic3x->regmap);
+
+		/* Rewrite paired PLL D registers in case cached sync skipped
+		 * writing one of them and thus caused other one also not
+		 * being written
+		 */
+		pll_c = snd_soc_read(codec, AIC3X_PLL_PROGC_REG);
+		pll_d = snd_soc_read(codec, AIC3X_PLL_PROGD_REG);
+		if (pll_c == aic3x_reg[AIC3X_PLL_PROGC_REG].def ||
+			pll_d == aic3x_reg[AIC3X_PLL_PROGD_REG].def) {
+			snd_soc_write(codec, AIC3X_PLL_PROGC_REG, pll_c);
+			snd_soc_write(codec, AIC3X_PLL_PROGD_REG, pll_d);
+		}
 	} else {
 		/*
 		 * Do soft reset to this codec instance in order to clear
diff --git a/sound/soc/intel/sst-haswell-pcm.c b/sound/soc/intel/sst-haswell-pcm.c
index 61bf6da..e895732 100644
--- a/sound/soc/intel/sst-haswell-pcm.c
+++ b/sound/soc/intel/sst-haswell-pcm.c
@@ -693,9 +693,7 @@ static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
 }
 
 #define HSW_FORMATS \
-	(SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | \
-	SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE |\
-	SNDRV_PCM_FMTBIT_S8)
+	(SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
 
 static struct snd_soc_dai_driver hsw_dais[] = {
 	{
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index d074aa9..a3e0a0d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -4315,10 +4315,10 @@ void snd_soc_remove_platform(struct snd_soc_platform *platform)
 	snd_soc_component_del_unlocked(&platform->component);
 	mutex_unlock(&client_mutex);
 
-	snd_soc_component_cleanup(&platform->component);
-
 	dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
 		platform->component.name);
+
+	snd_soc_component_cleanup(&platform->component);
 }
 EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
 
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 177bd86..7098e6b 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -591,9 +591,9 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 	int shared;
 	struct snd_kcontrol *kcontrol;
 	bool wname_in_long_name, kcname_in_long_name;
-	char *long_name;
+	char *long_name = NULL;
 	const char *name;
-	int ret;
+	int ret = 0;
 
 	prefix = soc_dapm_prefix(dapm);
 	if (prefix)
@@ -652,15 +652,17 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 
 		kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], NULL, name,
 					prefix);
-		kfree(long_name);
-		if (!kcontrol)
-			return -ENOMEM;
+		if (!kcontrol) {
+			ret = -ENOMEM;
+			goto exit_free;
+		}
+
 		kcontrol->private_free = dapm_kcontrol_free;
 
 		ret = dapm_kcontrol_data_alloc(w, kcontrol);
 		if (ret) {
 			snd_ctl_free_one(kcontrol);
-			return ret;
+			goto exit_free;
 		}
 
 		ret = snd_ctl_add(card, kcontrol);
@@ -668,17 +670,18 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 			dev_err(dapm->dev,
 				"ASoC: failed to add widget %s dapm kcontrol %s: %d\n",
 				w->name, name, ret);
-			return ret;
+			goto exit_free;
 		}
 	}
 
 	ret = dapm_kcontrol_add_widget(kcontrol, w);
-	if (ret)
-		return ret;
+	if (ret == 0)
+		w->kcontrols[kci] = kcontrol;
 
-	w->kcontrols[kci] = kcontrol;
+exit_free:
+	kfree(long_name);
 
-	return 0;
+	return ret;
 }
 
 /* create new dapm mixer control */
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 642c862..002311a 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -352,7 +352,7 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)
 	} else {
 		for (i = 0; i < rtd->num_codecs; i++) {
 			codec_dai = rtd->codec_dais[i];
-			if (codec_dai->driver->playback.sig_bits == 0) {
+			if (codec_dai->driver->capture.sig_bits == 0) {
 				bits = 0;
 				break;
 			}
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 7ecd0e8..f61ebb1 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -591,18 +591,19 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
 {
 	struct snd_card *card;
 	struct list_head *p;
+	bool was_shutdown;
 
 	if (chip == (void *)-1L)
 		return;
 
 	card = chip->card;
 	down_write(&chip->shutdown_rwsem);
+	was_shutdown = chip->shutdown;
 	chip->shutdown = 1;
 	up_write(&chip->shutdown_rwsem);
 
 	mutex_lock(&register_mutex);
-	chip->num_interfaces--;
-	if (chip->num_interfaces <= 0) {
+	if (!was_shutdown) {
 		struct snd_usb_endpoint *ep;
 
 		snd_card_disconnect(card);
@@ -622,6 +623,10 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
 		list_for_each(p, &chip->mixer_list) {
 			snd_usb_mixer_disconnect(p);
 		}
+	}
+
+	chip->num_interfaces--;
+	if (chip->num_interfaces <= 0) {
 		usb_chip[chip->index] = NULL;
 		mutex_unlock(&register_mutex);
 		snd_card_free_when_closed(card);
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 714b949..1f0dc1e 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -43,13 +43,13 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
 				gfn_t base_gfn, unsigned long npages);
 
 static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
-			   unsigned long size)
+			   unsigned long npages)
 {
 	gfn_t end_gfn;
 	pfn_t pfn;
 
 	pfn     = gfn_to_pfn_memslot(slot, gfn);
-	end_gfn = gfn + (size >> PAGE_SHIFT);
+	end_gfn = gfn + npages;
 	gfn    += 1;
 
 	if (is_error_noslot_pfn(pfn))
@@ -119,7 +119,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
 		 * Pin all pages we are about to map in memory. This is
 		 * important because we unmap and unpin in 4kb steps later.
 		 */
-		pfn = kvm_pin_pages(slot, gfn, page_size);
+		pfn = kvm_pin_pages(slot, gfn, page_size >> PAGE_SHIFT);
 		if (is_error_noslot_pfn(pfn)) {
 			gfn += 1;
 			continue;
@@ -131,7 +131,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
 		if (r) {
 			printk(KERN_ERR "kvm_iommu_map_address:"
 			       "iommu failed to map pfn=%llx\n", pfn);
-			kvm_unpin_pages(kvm, pfn, page_size);
+			kvm_unpin_pages(kvm, pfn, page_size >> PAGE_SHIFT);
 			goto unmap_pages;
 		}