kernel-magellan/patches-3.10/0102-3.10.3-all-fixes.patch

diff --git a/Documentation/i2c/busses/i2c-piix4 b/Documentation/i2c/busses/i2c-piix4
index 1e6634f5..a370b204 100644
--- a/Documentation/i2c/busses/i2c-piix4
+++ b/Documentation/i2c/busses/i2c-piix4
@@ -13,7 +13,7 @@ Supported adapters:
   * AMD SP5100 (SB700 derivative found on some server mainboards)
     Datasheet: Publicly available at the AMD website
     http://support.amd.com/us/Embedded_TechDocs/44413.pdf
-  * AMD Hudson-2
+  * AMD Hudson-2, CZ
     Datasheet: Not publicly available
   * Standard Microsystems (SMSC) SLC90E66 (Victory66) southbridge
     Datasheet: Publicly available at the SMSC website http://www.smsc.com
diff --git a/Makefile b/Makefile
index 43367309..b5485529 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 10
-SUBLEVEL = 2
+SUBLEVEL = 3
 EXTRAVERSION =
 NAME = Unicycling Gorilla
 
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 1426468b..f51d669c 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -152,25 +152,8 @@ void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs)
 #define ESR_CM			(1 << 8)
 #define ESR_LNX_EXEC		(1 << 24)
 
-/*
- * Check that the permissions on the VMA allow for the fault which occurred.
- * If we encountered a write fault, we must have write permission, otherwise
- * we allow any permission.
- */
-static inline bool access_error(unsigned int esr, struct vm_area_struct *vma)
-{
-	unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;
-
-	if (esr & ESR_WRITE)
-		mask = VM_WRITE;
-	if (esr & ESR_LNX_EXEC)
-		mask = VM_EXEC;
-
-	return vma->vm_flags & mask ? false : true;
-}
-
 static int __do_page_fault(struct mm_struct *mm, unsigned long addr,
-			   unsigned int esr, unsigned int flags,
+			   unsigned int mm_flags, unsigned long vm_flags,
 			   struct task_struct *tsk)
 {
 	struct vm_area_struct *vma;
@@ -188,12 +171,17 @@ static int __do_page_fault(struct mm_struct *mm, unsigned long addr,
 	 * it.
 	 */
 good_area:
-	if (access_error(esr, vma)) {
+	/*
+	 * Check that the permissions on the VMA allow for the fault which
+	 * occurred. If we encountered a write or exec fault, we must have
+	 * appropriate permissions, otherwise we allow any permission.
+	 */
+	if (!(vma->vm_flags & vm_flags)) {
 		fault = VM_FAULT_BADACCESS;
 		goto out;
 	}
 
-	return handle_mm_fault(mm, vma, addr & PAGE_MASK, flags);
+	return handle_mm_fault(mm, vma, addr & PAGE_MASK, mm_flags);
 
 check_stack:
 	if (vma->vm_flags & VM_GROWSDOWN && !expand_stack(vma, addr))
@@ -208,9 +196,15 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
 	struct task_struct *tsk;
 	struct mm_struct *mm;
 	int fault, sig, code;
-	bool write = (esr & ESR_WRITE) && !(esr & ESR_CM);
-	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
-		(write ? FAULT_FLAG_WRITE : 0);
+	unsigned long vm_flags = VM_READ | VM_WRITE | VM_EXEC;
+	unsigned int mm_flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+
+	if (esr & ESR_LNX_EXEC) {
+		vm_flags = VM_EXEC;
+	} else if ((esr & ESR_WRITE) && !(esr & ESR_CM)) {
+		vm_flags = VM_WRITE;
+		mm_flags |= FAULT_FLAG_WRITE;
+	}
 
 	tsk = current;
 	mm  = tsk->mm;
@@ -248,7 +242,7 @@ retry:
 #endif
 	}
 
-	fault = __do_page_fault(mm, addr, esr, flags, tsk);
+	fault = __do_page_fault(mm, addr, mm_flags, vm_flags, tsk);
 
 	/*
 	 * If we need to retry but a fatal signal is pending, handle the
@@ -265,7 +259,7 @@ retry:
 	 */
 
 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, addr);
-	if (flags & FAULT_FLAG_ALLOW_RETRY) {
+	if (mm_flags & FAULT_FLAG_ALLOW_RETRY) {
 		if (fault & VM_FAULT_MAJOR) {
 			tsk->maj_flt++;
 			perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs,
@@ -280,7 +274,7 @@ retry:
 			 * Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk of
 			 * starvation.
 			 */
-			flags &= ~FAULT_FLAG_ALLOW_RETRY;
+			mm_flags &= ~FAULT_FLAG_ALLOW_RETRY;
 			goto retry;
 		}
 	}
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 01b1b3f9..1e1e18c5 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -996,7 +996,7 @@ void __init plat_mem_setup(void)
 	cvmx_bootmem_unlock();
 	/* Add the memory region for the kernel. */
 	kernel_start = (unsigned long) _text;
-	kernel_size = ALIGN(_end - _text, 0x100000);
+	kernel_size = _end - _text;
 
 	/* Adjust for physical offset. */
 	kernel_start &= ~0xffffffff80000000ULL;
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 46793b58..07ca627e 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -358,12 +358,12 @@ label##_relon_pSeries:					\
 	/* No guest interrupts come through here */	\
 	SET_SCRATCH0(r13);		/* save r13 */	\
 	EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
-				       EXC_STD, KVMTEST_PR, vec)
+				       EXC_STD, NOTEST, vec)
 
 #define STD_RELON_EXCEPTION_PSERIES_OOL(vec, label)		\
 	.globl label##_relon_pSeries;				\
 label##_relon_pSeries:						\
-	EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_PR, vec);	\
+	EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, vec);		\
 	EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, EXC_STD)
 
 #define STD_RELON_EXCEPTION_HV(loc, vec, label)		\
@@ -374,12 +374,12 @@ label##_relon_hv:					\
 	/* No guest interrupts come through here */	\
 	SET_SCRATCH0(r13);	/* save r13 */		\
 	EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
-				       EXC_HV, KVMTEST, vec)
+				       EXC_HV, NOTEST, vec)
 
 #define STD_RELON_EXCEPTION_HV_OOL(vec, label)			\
 	.globl label##_relon_hv;				\
 label##_relon_hv:						\
-	EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST, vec);		\
+	EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, vec);		\
 	EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, EXC_HV)
 
 /* This associate vector numbers with bits in paca->irq_happened */
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 4a9e4086..362142b6 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -626,6 +626,7 @@
 #define   MMCR0_TRIGGER	0x00002000UL /* TRIGGER enable */
 #define   MMCR0_PMAO	0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
 #define   MMCR0_SHRFC	0x00000040UL /* SHRre freeze conditions between threads */
+#define   MMCR0_FC56	0x00000010UL /* freeze counters 5 and 6 */
 #define   MMCR0_FCTI	0x00000008UL /* freeze counters in tags inactive mode */
 #define   MMCR0_FCTA	0x00000004UL /* freeze counters in tags active mode */
 #define   MMCR0_FCWAIT	0x00000002UL /* freeze counter in WAIT state */
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 40e4a17c..4e00d223 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -341,10 +341,17 @@ vsx_unavailable_pSeries_1:
 	EXCEPTION_PROLOG_0(PACA_EXGEN)
 	b	vsx_unavailable_pSeries
 
+facility_unavailable_trampoline:
 	. = 0xf60
 	SET_SCRATCH0(r13)
 	EXCEPTION_PROLOG_0(PACA_EXGEN)
-	b	tm_unavailable_pSeries
+	b	facility_unavailable_pSeries
+
+hv_facility_unavailable_trampoline:
+	. = 0xf80
+	SET_SCRATCH0(r13)
+	EXCEPTION_PROLOG_0(PACA_EXGEN)
+	b	facility_unavailable_hv
 
 #ifdef CONFIG_CBE_RAS
 	STD_EXCEPTION_HV(0x1200, 0x1202, cbe_system_error)
@@ -522,8 +529,10 @@ denorm_done:
 	KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xf20)
 	STD_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable)
 	KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xf40)
-	STD_EXCEPTION_PSERIES_OOL(0xf60, tm_unavailable)
+	STD_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
 	KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xf60)
+	STD_EXCEPTION_HV_OOL(0xf82, facility_unavailable)
+	KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xf82)
 
 /*
  * An interrupt came in while soft-disabled. We set paca->irq_happened, then:
@@ -793,14 +802,10 @@ system_call_relon_pSeries:
 	STD_RELON_EXCEPTION_PSERIES(0x4d00, 0xd00, single_step)
 
 	. = 0x4e00
-	SET_SCRATCH0(r13)
-	EXCEPTION_PROLOG_0(PACA_EXGEN)
-	b	h_data_storage_relon_hv
+	b	.	/* Can't happen, see v2.07 Book III-S section 6.5 */
 
 	. = 0x4e20
-	SET_SCRATCH0(r13)
-	EXCEPTION_PROLOG_0(PACA_EXGEN)
-	b	h_instr_storage_relon_hv
+	b	.	/* Can't happen, see v2.07 Book III-S section 6.5 */
 
 	. = 0x4e40
 	SET_SCRATCH0(r13)
@@ -808,9 +813,7 @@ system_call_relon_pSeries:
 	b	emulation_assist_relon_hv
 
 	. = 0x4e60
-	SET_SCRATCH0(r13)
-	EXCEPTION_PROLOG_0(PACA_EXGEN)
-	b	hmi_exception_relon_hv
+	b	.	/* Can't happen, see v2.07 Book III-S section 6.5 */
 
 	. = 0x4e80
 	SET_SCRATCH0(r13)
@@ -835,11 +838,17 @@ vsx_unavailable_relon_pSeries_1:
 	EXCEPTION_PROLOG_0(PACA_EXGEN)
 	b	vsx_unavailable_relon_pSeries
 
-tm_unavailable_relon_pSeries_1:
+facility_unavailable_relon_trampoline:
 	. = 0x4f60
 	SET_SCRATCH0(r13)
 	EXCEPTION_PROLOG_0(PACA_EXGEN)
-	b	tm_unavailable_relon_pSeries
+	b	facility_unavailable_relon_pSeries
+
+hv_facility_unavailable_relon_trampoline:
+	. = 0x4f80
+	SET_SCRATCH0(r13)
+	EXCEPTION_PROLOG_0(PACA_EXGEN)
+	b	facility_unavailable_relon_hv
 
 	STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint)
 #ifdef CONFIG_PPC_DENORMALISATION
@@ -1165,36 +1174,21 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
 	bl	.vsx_unavailable_exception
 	b	.ret_from_except
 
-	.align	7
-	.globl tm_unavailable_common
-tm_unavailable_common:
-	EXCEPTION_PROLOG_COMMON(0xf60, PACA_EXGEN)
-	bl	.save_nvgprs
-	DISABLE_INTS
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	bl	.tm_unavailable_exception
-	b	.ret_from_except
+	STD_EXCEPTION_COMMON(0xf60, facility_unavailable, .facility_unavailable_exception)
 
 	.align	7
 	.globl	__end_handlers
 __end_handlers:
 
 	/* Equivalents to the above handlers for relocation-on interrupt vectors */
-	STD_RELON_EXCEPTION_HV_OOL(0xe00, h_data_storage)
-	KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe00)
-	STD_RELON_EXCEPTION_HV_OOL(0xe20, h_instr_storage)
-	KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe20)
 	STD_RELON_EXCEPTION_HV_OOL(0xe40, emulation_assist)
-	KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe40)
-	STD_RELON_EXCEPTION_HV_OOL(0xe60, hmi_exception)
-	KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe60)
 	MASKABLE_RELON_EXCEPTION_HV_OOL(0xe80, h_doorbell)
-	KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe80)
 
 	STD_RELON_EXCEPTION_PSERIES_OOL(0xf00, performance_monitor)
 	STD_RELON_EXCEPTION_PSERIES_OOL(0xf20, altivec_unavailable)
 	STD_RELON_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable)
-	STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, tm_unavailable)
+	STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
+	STD_RELON_EXCEPTION_HV_OOL(0xf80, facility_unavailable)
 
 #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
 /*
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index a949bdfc..f0b47d1a 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -176,7 +176,7 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
 		length_max = 512 ; /* 64 doublewords */
 		/* DAWR region can't cross 512 boundary */
 		if ((bp->attr.bp_addr >> 10) != 
-		    ((bp->attr.bp_addr + bp->attr.bp_len) >> 10))
+		    ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 10))
 			return -EINVAL;
 	}
 	if (info->len >
@@ -250,6 +250,7 @@ int __kprobes hw_breakpoint_handler(struct die_args *args)
 	 * we still need to single-step the instruction, but we don't
 	 * generate an event.
 	 */
+	info->type &= ~HW_BRK_TYPE_EXTRANEOUS_IRQ;
 	if (!((bp->attr.bp_addr <= dar) &&
 	      (dar - bp->attr.bp_addr < bp->attr.bp_len)))
 		info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ;
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 98c2fc19..64f7bd5b 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1449,7 +1449,9 @@ static long ppc_set_hwdebug(struct task_struct *child,
 	 */
 	if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE) {
 		len = bp_info->addr2 - bp_info->addr;
-	} else if (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) {
+	} else if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_EXACT)
+		len = 1;
+	else {
 		ptrace_put_breakpoints(child);
 		return -EINVAL;
 	}
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index e379d3fd..389fb807 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -76,7 +76,7 @@
 #endif
 
 int boot_cpuid = 0;
-int __initdata spinning_secondaries;
+int spinning_secondaries;
 u64 ppc64_pft_size;
 
 /* Pick defaults since we might want to patch instructions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 201385c3..0f83122e 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -407,7 +407,8 @@ inline unsigned long copy_transact_fpr_from_user(struct task_struct *task,
  * altivec/spe instructions at some point.
  */
 static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,
-		int sigret, int ctx_has_vsx_region)
+			  struct mcontext __user *tm_frame, int sigret,
+			  int ctx_has_vsx_region)
 {
 	unsigned long msr = regs->msr;
 
@@ -475,6 +476,12 @@ static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,
 
 	if (__put_user(msr, &frame->mc_gregs[PT_MSR]))
 		return 1;
+	/* We need to write 0 the MSR top 32 bits in the tm frame so that we
+	 * can check it on the restore to see if TM is active
+	 */
+	if (tm_frame && __put_user(0, &tm_frame->mc_gregs[PT_MSR]))
+		return 1;
+
 	if (sigret) {
 		/* Set up the sigreturn trampoline: li r0,sigret; sc */
 		if (__put_user(0x38000000UL + sigret, &frame->tramp[0])
@@ -747,7 +754,7 @@ static long restore_tm_user_regs(struct pt_regs *regs,
 				 struct mcontext __user *tm_sr)
 {
 	long err;
-	unsigned long msr;
+	unsigned long msr, msr_hi;
 #ifdef CONFIG_VSX
 	int i;
 #endif
@@ -852,8 +859,11 @@ static long restore_tm_user_regs(struct pt_regs *regs,
 	tm_enable();
 	/* This loads the checkpointed FP/VEC state, if used */
 	tm_recheckpoint(&current->thread, msr);
-	/* The task has moved into TM state S, so ensure MSR reflects this */
-	regs->msr = (regs->msr & ~MSR_TS_MASK) | MSR_TS_S;
+	/* Get the top half of the MSR */
+	if (__get_user(msr_hi, &tm_sr->mc_gregs[PT_MSR]))
+		return 1;
+	/* Pull in MSR TM from user context */
+	regs->msr = (regs->msr & ~MSR_TS_MASK) | ((msr_hi<<32) & MSR_TS_MASK);
 
 	/* This loads the speculative FP/VEC state, if used */
 	if (msr & MSR_FP) {
@@ -952,6 +962,7 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
 {
 	struct rt_sigframe __user *rt_sf;
 	struct mcontext __user *frame;
+	struct mcontext __user *tm_frame = NULL;
 	void __user *addr;
 	unsigned long newsp = 0;
 	int sigret;
@@ -985,23 +996,24 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
 	}
 
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	tm_frame = &rt_sf->uc_transact.uc_mcontext;
 	if (MSR_TM_ACTIVE(regs->msr)) {
-		if (save_tm_user_regs(regs, &rt_sf->uc.uc_mcontext,
-				      &rt_sf->uc_transact.uc_mcontext, sigret))
+		if (save_tm_user_regs(regs, frame, tm_frame, sigret))
 			goto badframe;
 	}
 	else
 #endif
-		if (save_user_regs(regs, frame, sigret, 1))
+	{
+		if (save_user_regs(regs, frame, tm_frame, sigret, 1))
 			goto badframe;
+	}
 	regs->link = tramp;
 
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 	if (MSR_TM_ACTIVE(regs->msr)) {
 		if (__put_user((unsigned long)&rt_sf->uc_transact,
 			       &rt_sf->uc.uc_link)
-		    || __put_user(to_user_ptr(&rt_sf->uc_transact.uc_mcontext),
-				  &rt_sf->uc_transact.uc_regs))
+		    || __put_user((unsigned long)tm_frame, &rt_sf->uc_transact.uc_regs))
 			goto badframe;
 	}
 	else
@@ -1170,7 +1182,7 @@ long sys_swapcontext(struct ucontext __user *old_ctx,
 		mctx = (struct mcontext __user *)
 			((unsigned long) &old_ctx->uc_mcontext & ~0xfUL);
 		if (!access_ok(VERIFY_WRITE, old_ctx, ctx_size)
-		    || save_user_regs(regs, mctx, 0, ctx_has_vsx_region)
+		    || save_user_regs(regs, mctx, NULL, 0, ctx_has_vsx_region)
 		    || put_sigset_t(&old_ctx->uc_sigmask, &current->blocked)
 		    || __put_user(to_user_ptr(mctx), &old_ctx->uc_regs))
 			return -EFAULT;
@@ -1233,7 +1245,7 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
 		if (__get_user(msr_hi, &mcp->mc_gregs[PT_MSR]))
 			goto bad;
 
-		if (MSR_TM_SUSPENDED(msr_hi<<32)) {
+		if (MSR_TM_ACTIVE(msr_hi<<32)) {
 			/* We only recheckpoint on return if we're
 			 * transaction.
 			 */
@@ -1392,6 +1404,7 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
 {
 	struct sigcontext __user *sc;
 	struct sigframe __user *frame;
+	struct mcontext __user *tm_mctx = NULL;
 	unsigned long newsp = 0;
 	int sigret;
 	unsigned long tramp;
@@ -1425,6 +1438,7 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
 	}
 
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	tm_mctx = &frame->mctx_transact;
 	if (MSR_TM_ACTIVE(regs->msr)) {
 		if (save_tm_user_regs(regs, &frame->mctx, &frame->mctx_transact,
 				      sigret))
@@ -1432,8 +1446,10 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
 	}
 	else
 #endif
-		if (save_user_regs(regs, &frame->mctx, sigret, 1))
+	{
+		if (save_user_regs(regs, &frame->mctx, tm_mctx, sigret, 1))
 			goto badframe;
+	}
 
 	regs->link = tramp;
 
@@ -1481,16 +1497,22 @@ badframe:
 long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
 		       struct pt_regs *regs)
 {
+	struct sigframe __user *sf;
 	struct sigcontext __user *sc;
 	struct sigcontext sigctx;
 	struct mcontext __user *sr;
 	void __user *addr;
 	sigset_t set;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	struct mcontext __user *mcp, *tm_mcp;
+	unsigned long msr_hi;
+#endif
 
 	/* Always make any pending restarted system calls return -EINTR */
 	current_thread_info()->restart_block.fn = do_no_restart_syscall;
 
-	sc = (struct sigcontext __user *)(regs->gpr[1] + __SIGNAL_FRAMESIZE);
+	sf = (struct sigframe __user *)(regs->gpr[1] + __SIGNAL_FRAMESIZE);
+	sc = &sf->sctx;
 	addr = sc;
 	if (copy_from_user(&sigctx, sc, sizeof(sigctx)))
 		goto badframe;
@@ -1507,11 +1529,25 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
 #endif
 	set_current_blocked(&set);
 
-	sr = (struct mcontext __user *)from_user_ptr(sigctx.regs);
-	addr = sr;
-	if (!access_ok(VERIFY_READ, sr, sizeof(*sr))
-	    || restore_user_regs(regs, sr, 1))
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	mcp = (struct mcontext __user *)&sf->mctx;
+	tm_mcp = (struct mcontext __user *)&sf->mctx_transact;
+	if (__get_user(msr_hi, &tm_mcp->mc_gregs[PT_MSR]))
 		goto badframe;
+	if (MSR_TM_ACTIVE(msr_hi<<32)) {
+		if (!cpu_has_feature(CPU_FTR_TM))
+			goto badframe;
+		if (restore_tm_user_regs(regs, mcp, tm_mcp))
+			goto badframe;
+	} else
+#endif
+	{
+		sr = (struct mcontext __user *)from_user_ptr(sigctx.regs);
+		addr = sr;
+		if (!access_ok(VERIFY_READ, sr, sizeof(*sr))
+		    || restore_user_regs(regs, sr, 1))
+			goto badframe;
+	}
 
 	set_thread_flag(TIF_RESTOREALL);
 	return 0;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 34594736..887e99d8 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -410,6 +410,10 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
 
 	/* get MSR separately, transfer the LE bit if doing signal return */
 	err |= __get_user(msr, &sc->gp_regs[PT_MSR]);
+	/* pull in MSR TM from user context */
+	regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr & MSR_TS_MASK);
+
+	/* pull in MSR LE from user context */
 	regs->msr = (regs->msr & ~MSR_LE) | (msr & MSR_LE);
 
 	/* The following non-GPR non-FPR non-VR state is also checkpointed: */
@@ -505,8 +509,6 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
 	tm_enable();
 	/* This loads the checkpointed FP/VEC state, if used */
 	tm_recheckpoint(&current->thread, msr);
-	/* The task has moved into TM state S, so ensure MSR reflects this: */
-	regs->msr = (regs->msr & ~MSR_TS_MASK) | __MASK(33);
 
 	/* This loads the speculative FP/VEC state, if used */
 	if (msr & MSR_FP) {
@@ -654,7 +656,7 @@ int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5,
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 	if (__get_user(msr, &uc->uc_mcontext.gp_regs[PT_MSR]))
 		goto badframe;
-	if (MSR_TM_SUSPENDED(msr)) {
+	if (MSR_TM_ACTIVE(msr)) {
 		/* We recheckpoint on return. */
 		struct ucontext __user *uc_transact;
 		if (__get_user(uc_transact, &uc->uc_link))
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index c0e5caf8..e4f205a2 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1282,25 +1282,50 @@ void vsx_unavailable_exception(struct pt_regs *regs)
 	die("Unrecoverable VSX Unavailable Exception", regs, SIGABRT);
 }
 
-void tm_unavailable_exception(struct pt_regs *regs)
+void facility_unavailable_exception(struct pt_regs *regs)
 {
+	static char *facility_strings[] = {
+		"FPU",
+		"VMX/VSX",
+		"DSCR",
+		"PMU SPRs",
+		"BHRB",
+		"TM",
+		"AT",
+		"EBB",
+		"TAR",
+	};
+	char *facility, *prefix;
+	u64 value;
+
+	if (regs->trap == 0xf60) {
+		value = mfspr(SPRN_FSCR);
+		prefix = "";
+	} else {
+		value = mfspr(SPRN_HFSCR);
+		prefix = "Hypervisor ";
+	}
+
+	value = value >> 56;
+
 	/* We restore the interrupt state now */
 	if (!arch_irq_disabled_regs(regs))
 		local_irq_enable();
 
-	/* Currently we never expect a TMU exception.  Catch
-	 * this and kill the process!
-	 */
-	printk(KERN_EMERG "Unexpected TM unavailable exception at %lx "
-	       "(msr %lx)\n",
-	       regs->nip, regs->msr);
+	if (value < ARRAY_SIZE(facility_strings))
+		facility = facility_strings[value];
+	else
+		facility = "unknown";
+
+	pr_err("%sFacility '%s' unavailable, exception at 0x%lx, MSR=%lx\n",
+		prefix, facility, regs->nip, regs->msr);
 
 	if (user_mode(regs)) {
 		_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
 		return;
 	}
 
-	die("Unexpected TM unavailable exception", regs, SIGABRT);
+	die("Unexpected facility unavailable exception", regs, SIGABRT);
 }
 
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 88c0425d..2859a1f5 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1433,11 +1433,9 @@ static int update_cpu_topology(void *data)
 		if (cpu != update->cpu)
 			continue;
 
-		unregister_cpu_under_node(update->cpu, update->old_nid);
 		unmap_cpu_from_node(update->cpu);
 		map_cpu_to_node(update->cpu, update->new_nid);
 		vdso_getcpu_init();
-		register_cpu_under_node(update->cpu, update->new_nid);
 	}
 
 	return 0;
@@ -1485,6 +1483,9 @@ int arch_update_cpu_topology(void)
 	stop_machine(update_cpu_topology, &updates[0], &updated_cpus);
 
 	for (ud = &updates[0]; ud; ud = ud->next) {
+		unregister_cpu_under_node(ud->cpu, ud->old_nid);
+		register_cpu_under_node(ud->cpu, ud->new_nid);
+
 		dev = get_cpu_device(ud->cpu);
 		if (dev)
 			kobject_uevent(&dev->kobj, KOBJ_CHANGE);
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 29c64828..d3ee2e50 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -75,6 +75,8 @@ static unsigned int freeze_events_kernel = MMCR0_FCS;
 
 #define MMCR0_FCHV		0
 #define MMCR0_PMCjCE		MMCR0_PMCnCE
+#define MMCR0_FC56		0
+#define MMCR0_PMAO		0
 
 #define SPRN_MMCRA		SPRN_MMCR2
 #define MMCRA_SAMPLE_ENABLE	0
@@ -852,7 +854,7 @@ static void write_mmcr0(struct cpu_hw_events *cpuhw, unsigned long mmcr0)
 static void power_pmu_disable(struct pmu *pmu)
 {
 	struct cpu_hw_events *cpuhw;
-	unsigned long flags;
+	unsigned long flags, val;
 
 	if (!ppmu)
 		return;
@@ -860,9 +862,6 @@ static void power_pmu_disable(struct pmu *pmu)
 	cpuhw = &__get_cpu_var(cpu_hw_events);
 
 	if (!cpuhw->disabled) {
-		cpuhw->disabled = 1;
-		cpuhw->n_added = 0;
-
 		/*
 		 * Check if we ever enabled the PMU on this cpu.
 		 */
@@ -872,6 +871,21 @@ static void power_pmu_disable(struct pmu *pmu)
 		}
 
 		/*
+		 * Set the 'freeze counters' bit, clear PMAO/FC56.
+		 */
+		val  = mfspr(SPRN_MMCR0);
+		val |= MMCR0_FC;
+		val &= ~(MMCR0_PMAO | MMCR0_FC56);
+
+		/*
+		 * The barrier is to make sure the mtspr has been
+		 * executed and the PMU has frozen the events etc.
+		 * before we return.
+		 */
+		write_mmcr0(cpuhw, val);
+		mb();
+
+		/*
 		 * Disable instruction sampling if it was enabled
 		 */
 		if (cpuhw->mmcr[2] & MMCRA_SAMPLE_ENABLE) {
@@ -880,14 +894,8 @@ static void power_pmu_disable(struct pmu *pmu)
 			mb();
 		}
 
-		/*
-		 * Set the 'freeze counters' bit.
-		 * The barrier is to make sure the mtspr has been
-		 * executed and the PMU has frozen the events
-		 * before we return.
-		 */
-		write_mmcr0(cpuhw, mfspr(SPRN_MMCR0) | MMCR0_FC);
-		mb();
+		cpuhw->disabled = 1;
+		cpuhw->n_added = 0;
 	}
 	local_irq_restore(flags);
 }
@@ -911,12 +919,18 @@ static void power_pmu_enable(struct pmu *pmu)
 
 	if (!ppmu)
 		return;
+
 	local_irq_save(flags);
+
 	cpuhw = &__get_cpu_var(cpu_hw_events);
-	if (!cpuhw->disabled) {
-		local_irq_restore(flags);
-		return;
+	if (!cpuhw->disabled)
+		goto out;
+
+	if (cpuhw->n_events == 0) {
+		ppc_set_pmu_inuse(0);
+		goto out;
 	}
+
 	cpuhw->disabled = 0;
 
 	/*
@@ -928,8 +942,6 @@ static void power_pmu_enable(struct pmu *pmu)
 	if (!cpuhw->n_added) {
 		mtspr(SPRN_MMCRA, cpuhw->mmcr[2] & ~MMCRA_SAMPLE_ENABLE);
 		mtspr(SPRN_MMCR1, cpuhw->mmcr[1]);
-		if (cpuhw->n_events == 0)
-			ppc_set_pmu_inuse(0);
 		goto out_enable;
 	}
 
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index f7d1c4ff..d59f5b2d 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -109,6 +109,16 @@
 #define EVENT_IS_MARKED		(EVENT_MARKED_MASK << EVENT_MARKED_SHIFT)
 #define EVENT_PSEL_MASK		0xff	/* PMCxSEL value */
 
+#define EVENT_VALID_MASK	\
+	((EVENT_THRESH_MASK    << EVENT_THRESH_SHIFT)		|	\
+	 (EVENT_SAMPLE_MASK    << EVENT_SAMPLE_SHIFT)		|	\
+	 (EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT)	|	\
+	 (EVENT_PMC_MASK       << EVENT_PMC_SHIFT)		|	\
+	 (EVENT_UNIT_MASK      << EVENT_UNIT_SHIFT)		|	\
+	 (EVENT_COMBINE_MASK   << EVENT_COMBINE_SHIFT)		|	\
+	 (EVENT_MARKED_MASK    << EVENT_MARKED_SHIFT)		|	\
+	  EVENT_PSEL_MASK)
+
 /* MMCRA IFM bits - POWER8 */
 #define	POWER8_MMCRA_IFM1		0x0000000040000000UL
 #define	POWER8_MMCRA_IFM2		0x0000000080000000UL
@@ -212,6 +222,9 @@ static int power8_get_constraint(u64 event, unsigned long *maskp, unsigned long
 
 	mask = value = 0;
 
+	if (event & ~EVENT_VALID_MASK)
+		return -1;
+
 	pmc   = (event >> EVENT_PMC_SHIFT)       & EVENT_PMC_MASK;
 	unit  = (event >> EVENT_UNIT_SHIFT)      & EVENT_UNIT_MASK;
 	cache = (event >> EVENT_CACHE_SEL_SHIFT) & EVENT_CACHE_SEL_MASK;
@@ -378,6 +391,10 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
 	if (pmc_inuse & 0x7c)
 		mmcr[0] |= MMCR0_PMCjCE;
 
+	/* If we're not using PMC 5 or 6, freeze them */
+	if (!(pmc_inuse & 0x60))
+		mmcr[0] |= MMCR0_FC56;
+
 	mmcr[1] = mmcr1;
 	mmcr[2] = mmcra;
 
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 9c9d15e4..7816beff 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -441,6 +441,17 @@ static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev
 	set_iommu_table_base(&pdev->dev, &pe->tce32_table);
 }
 
+static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe, struct pci_bus *bus)
+{
+	struct pci_dev *dev;
+
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		set_iommu_table_base(&dev->dev, &pe->tce32_table);
+		if (dev->subordinate)
+			pnv_ioda_setup_bus_dma(pe, dev->subordinate);
+	}
+}
+
 static void pnv_pci_ioda1_tce_invalidate(struct iommu_table *tbl,
 					 u64 *startp, u64 *endp)
 {
@@ -596,6 +607,11 @@ static void pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb,
 	}
 	iommu_init_table(tbl, phb->hose->node);
 
+	if (pe->pdev)
+		set_iommu_table_base(&pe->pdev->dev, tbl);
+	else
+		pnv_ioda_setup_bus_dma(pe, pe->pbus);
+
 	return;
  fail:
 	/* XXX Failure: Try to fallback to 64-bit only ? */
@@ -667,6 +683,11 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb,
 	}
 	iommu_init_table(tbl, phb->hose->node);
 
+	if (pe->pdev)
+		set_iommu_table_base(&pe->pdev->dev, tbl);
+	else
+		pnv_ioda_setup_bus_dma(pe, pe->pbus);
+
 	return;
 fail:
 	if (pe->tce32_seg >= 0)
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index ef12c0e6..7d740ebb 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -68,6 +68,15 @@ _SetupMMU:
 
 #ifdef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX
 	initialize_mmu
+#if defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY
+	rsr	a2, excsave1
+	movi	a3, 0x08000000
+	bgeu	a2, a3, 1f
+	movi	a3, 0xd0000000
+	add	a2, a2, a3
+	wsr	a2, excsave1
+1:
+#endif
 #endif
 	.end	no-absolute-literals
 
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 6dd25ecd..14c6c3a6 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -152,8 +152,8 @@ static int __init parse_tag_initrd(const bp_tag_t* tag)
 {
 	meminfo_t* mi;
 	mi = (meminfo_t*)(tag->data);
-	initrd_start = (void*)(mi->start);
-	initrd_end = (void*)(mi->end);
+	initrd_start = __va(mi->start);
+	initrd_end = __va(mi->end);
 
 	return 0;
 }
@@ -164,7 +164,7 @@ __tagtable(BP_TAG_INITRD, parse_tag_initrd);
 
 static int __init parse_tag_fdt(const bp_tag_t *tag)
 {
-	dtb_start = (void *)(tag->data[0]);
+	dtb_start = __va(tag->data[0]);
 	return 0;
 }
 
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 9a8a674e..8eae6590 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -338,6 +338,8 @@ static const struct pci_device_id piix_pci_tbl[] = {
 	/* SATA Controller IDE (BayTrail) */
 	{ 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
 	{ 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+	/* SATA Controller IDE (Coleto Creek) */
+	{ 0x8086, 0x23a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 
 	{ }	/* terminate list */
 };
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 61c59ee4..1c41722b 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -389,9 +389,13 @@ static void sata_pmp_quirks(struct ata_port *ap)
 			/* link reports offline after LPM */
 			link->flags |= ATA_LFLAG_NO_LPM;
 
-			/* Class code report is unreliable. */
+			/*
+			 * Class code report is unreliable and SRST times
+			 * out under certain configurations.
+			 */
 			if (link->pmp < 5)
-				link->flags |= ATA_LFLAG_ASSUME_ATA;
+				link->flags |= ATA_LFLAG_NO_SRST |
+					       ATA_LFLAG_ASSUME_ATA;
 
 			/* port 5 is for SEMB device and it doesn't like SRST */
 			if (link->pmp == 5)
@@ -399,20 +403,17 @@ static void sata_pmp_quirks(struct ata_port *ap)
 					       ATA_LFLAG_ASSUME_SEMB;
 		}
 	} else if (vendor == 0x1095 && devid == 0x4723) {
-		/* sil4723 quirks */
-		ata_for_each_link(link, ap, EDGE) {
-			/* link reports offline after LPM */
-			link->flags |= ATA_LFLAG_NO_LPM;
-
-			/* class code report is unreliable */
-			if (link->pmp < 2)
-				link->flags |= ATA_LFLAG_ASSUME_ATA;
-
-			/* the config device at port 2 locks up on SRST */
-			if (link->pmp == 2)
-				link->flags |= ATA_LFLAG_NO_SRST |
-					       ATA_LFLAG_ASSUME_ATA;
-		}
+		/*
+		 * sil4723 quirks
+		 *
+		 * Link reports offline after LPM.  Class code report is
+		 * unreliable.  SIMG PMPs never got SRST reliable and the
+		 * config device at port 2 locks up on SRST.
+		 */
+		ata_for_each_link(link, ap, EDGE)
+			link->flags |= ATA_LFLAG_NO_LPM |
+				       ATA_LFLAG_NO_SRST |
+				       ATA_LFLAG_ASSUME_ATA;
 	} else if (vendor == 0x1095 && devid == 0x4726) {
 		/* sil4726 quirks */
 		ata_for_each_link(link, ap, EDGE) {
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index 90b159b7..cd8daf47 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -32,13 +32,14 @@ struct zpodd {
 
 static int eject_tray(struct ata_device *dev)
 {
-	struct ata_taskfile tf = {};
+	struct ata_taskfile tf;
 	const char cdb[] = {  GPCMD_START_STOP_UNIT,
 		0, 0, 0,
 		0x02,     /* LoEj */
 		0, 0, 0, 0, 0, 0, 0,
 	};
 
+	ata_tf_init(dev, &tf);
 	tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
 	tf.command = ATA_CMD_PACKET;
 	tf.protocol = ATAPI_PROT_NODATA;
@@ -52,8 +53,7 @@ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev)
 	char buf[16];
 	unsigned int ret;
 	struct rm_feature_desc *desc = (void *)(buf + 8);
-	struct ata_taskfile tf = {};
-
+	struct ata_taskfile tf;
 	char cdb[] = {  GPCMD_GET_CONFIGURATION,
 			2,      /* only 1 feature descriptor requested */
 			0, 3,   /* 3, removable medium feature */
@@ -62,6 +62,7 @@ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev)
 			0, 0, 0,
 	};
 
+	ata_tf_init(dev, &tf);
 	tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
 	tf.command = ATA_CMD_PACKET;
 	tf.protocol = ATAPI_PROT_PIO;
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index b20aa96b..c846fd3c 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -196,10 +196,26 @@ static int highbank_initialize_phys(struct device *dev, void __iomem *addr)
 	return 0;
 }
 
+/*
+ * The Calxeda SATA phy intermittently fails to bring up a link with Gen3
+ * Retrying the phy hard reset can work around the issue, but the drive
+ * may fail again. In less than 150 out of 15000 test runs, it took more
+ * than 10 tries for the link to be established (but never more than 35).
+ * Triple the maximum observed retry count to provide plenty of margin for
+ * rare events and to guarantee that the link is established.
+ *
+ * Also, the default 2 second time-out on a failed drive is too long in
+ * this situation. The uboot implementation of the same driver function
+ * uses a much shorter time-out period and never experiences a time out
+ * issue. Reducing the time-out to 500ms improves the responsiveness.
+ * The other timing constants were kept the same as the stock AHCI driver.
+ * This change was also tested 15000 times on 24 drives and none of them
+ * experienced a time out.
+ */
 static int ahci_highbank_hardreset(struct ata_link *link, unsigned int *class,
 				unsigned long deadline)
 {
-	const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
+	static const unsigned long timing[] = { 5, 100, 500};
 	struct ata_port *ap = link->ap;
 	struct ahci_port_priv *pp = ap->private_data;
 	u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
@@ -207,7 +223,7 @@ static int ahci_highbank_hardreset(struct ata_link *link, unsigned int *class,
 	bool online;
 	u32 sstatus;
 	int rc;
-	int retry = 10;
+	int retry = 100;
 
 	ahci_stop_engine(ap);
 
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index ab09ed37..6b02eddc 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -44,7 +44,7 @@ static void add_clockevent(struct device_node *event_timer)
 	u32 irq, rate;
 
 	irq = irq_of_parse_and_map(event_timer, 0);
-	if (irq == NO_IRQ)
+	if (irq == 0)
 		panic("No IRQ for clock event timer");
 
 	timer_get_base_and_rate(event_timer, &iobase, &rate);
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 2d53f47d..178fe7a6 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1837,13 +1837,15 @@ static int __cpuinit cpufreq_cpu_callback(struct notifier_block *nfb,
 	if (dev) {
 		switch (action) {
 		case CPU_ONLINE:
+		case CPU_ONLINE_FROZEN:
 			cpufreq_add_dev(dev, NULL);
 			break;
 		case CPU_DOWN_PREPARE:
-		case CPU_UP_CANCELED_FROZEN:
+		case CPU_DOWN_PREPARE_FROZEN:
 			__cpufreq_remove_dev(dev, NULL);
 			break;
 		case CPU_DOWN_FAILED:
+		case CPU_DOWN_FAILED_FROZEN:
 			cpufreq_add_dev(dev, NULL);
 			break;
 		}
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index dc9b72e2..5af40ad8 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -26,7 +26,6 @@
 #include <linux/tick.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
-#include <linux/cpu.h>
 
 #include "cpufreq_governor.h"
 
@@ -181,10 +180,8 @@ void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy,
 	if (!all_cpus) {
 		__gov_queue_work(smp_processor_id(), dbs_data, delay);
 	} else {
-		get_online_cpus();
 		for_each_cpu(i, policy->cpus)
 			__gov_queue_work(i, dbs_data, delay);
-		put_online_cpus();
 	}
 }
 EXPORT_SYMBOL_GPL(gov_queue_work);
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 591b6fb6..bfd6273f 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -353,13 +353,11 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
 		cpufreq_update_policy(cpu);
 		break;
 	case CPU_DOWN_PREPARE:
+	case CPU_DOWN_PREPARE_FROZEN:
 		cpufreq_stats_free_sysfs(cpu);
 		break;
 	case CPU_DEAD:
-		cpufreq_stats_free_table(cpu);
-		break;
-	case CPU_UP_CANCELED_FROZEN:
-		cpufreq_stats_free_sysfs(cpu);
+	case CPU_DEAD_FROZEN:
 		cpufreq_stats_free_table(cpu);
 		break;
 	}
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index cf919e36..239ef30f 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -453,25 +453,21 @@ drm_gem_flink_ioctl(struct drm_device *dev, void *data,
 	spin_lock(&dev->object_name_lock);
 	if (!obj->name) {
 		ret = idr_alloc(&dev->object_name_idr, obj, 1, 0, GFP_NOWAIT);
-		obj->name = ret;
-		args->name = (uint64_t) obj->name;
-		spin_unlock(&dev->object_name_lock);
-		idr_preload_end();
-
 		if (ret < 0)
 			goto err;
-		ret = 0;
+
+		obj->name = ret;
 
 		/* Allocate a reference for the name table.  */
 		drm_gem_object_reference(obj);
-	} else {
-		args->name = (uint64_t) obj->name;
-		spin_unlock(&dev->object_name_lock);
-		idr_preload_end();
-		ret = 0;
 	}
 
+	args->name = (uint64_t) obj->name;
+	ret = 0;
+
 err:
+	spin_unlock(&dev->object_name_lock);
+	idr_preload_end();
 	drm_gem_object_unreference_unlocked(obj);
 	return ret;
 }
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9e35dafc..34118b0c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1160,7 +1160,8 @@ i915_gem_object_wait_rendering__nonblocking(struct drm_i915_gem_object *obj,
 	/* Manually manage the write flush as we may have not yet
 	 * retired the buffer.
 	 */
-	if (obj->last_write_seqno &&
+	if (ret == 0 &&
+	    obj->last_write_seqno &&
 	    i915_seqno_passed(seqno, obj->last_write_seqno)) {
 		obj->last_write_seqno = 0;
 		obj->base.write_domain &= ~I915_GEM_GPU_DOMAINS;
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index a1e8ecb6..3bc8a58a 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -113,7 +113,7 @@ static int get_context_size(struct drm_device *dev)
 	case 7:
 		reg = I915_READ(GEN7_CXT_SIZE);
 		if (IS_HASWELL(dev))
-			ret = HSW_CXT_TOTAL_SIZE(reg) * 64;
+			ret = HSW_CXT_TOTAL_SIZE;
 		else
 			ret = GEN7_CXT_TOTAL_SIZE(reg) * 64;
 		break;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 0aa2ef0d..e5e32869 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -70,15 +70,6 @@ static const u32 hpd_status_gen4[] = {
 	[HPD_PORT_D] = PORTD_HOTPLUG_INT_STATUS
 };
 
-static const u32 hpd_status_i965[] = {
-	 [HPD_CRT] = CRT_HOTPLUG_INT_STATUS,
-	 [HPD_SDVO_B] = SDVOB_HOTPLUG_INT_STATUS_I965,
-	 [HPD_SDVO_C] = SDVOC_HOTPLUG_INT_STATUS_I965,
-	 [HPD_PORT_B] = PORTB_HOTPLUG_INT_STATUS,
-	 [HPD_PORT_C] = PORTC_HOTPLUG_INT_STATUS,
-	 [HPD_PORT_D] = PORTD_HOTPLUG_INT_STATUS
-};
-
 static const u32 hpd_status_i915[] = { /* i915 and valleyview are the same */
 	[HPD_CRT] = CRT_HOTPLUG_INT_STATUS,
 	[HPD_SDVO_B] = SDVOB_HOTPLUG_INT_STATUS_I915,
@@ -2952,13 +2943,13 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
 			u32 hotplug_status = I915_READ(PORT_HOTPLUG_STAT);
 			u32 hotplug_trigger = hotplug_status & (IS_G4X(dev) ?
 								  HOTPLUG_INT_STATUS_G4X :
-								  HOTPLUG_INT_STATUS_I965);
+								  HOTPLUG_INT_STATUS_I915);
 
 			DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x\n",
 				  hotplug_status);
 			if (hotplug_trigger) {
 				if (hotplug_irq_storm_detect(dev, hotplug_trigger,
-							    IS_G4X(dev) ? hpd_status_gen4 : hpd_status_i965))
+							    IS_G4X(dev) ? hpd_status_gen4 : hpd_status_i915))
 					i915_hpd_irq_setup(dev);
 				queue_work(dev_priv->wq,
 					   &dev_priv->hotplug_work);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2d6b62e4..80b0a662 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1535,14 +1535,13 @@
 					 GEN7_CXT_EXTENDED_SIZE(ctx_reg) + \
 					 GEN7_CXT_GT1_SIZE(ctx_reg) + \
 					 GEN7_CXT_VFSTATE_SIZE(ctx_reg))
-#define HSW_CXT_POWER_SIZE(ctx_reg)	((ctx_reg >> 26) & 0x3f)
-#define HSW_CXT_RING_SIZE(ctx_reg)	((ctx_reg >> 23) & 0x7)
-#define HSW_CXT_RENDER_SIZE(ctx_reg)	((ctx_reg >> 15) & 0xff)
-#define HSW_CXT_TOTAL_SIZE(ctx_reg)	(HSW_CXT_POWER_SIZE(ctx_reg) + \
-					 HSW_CXT_RING_SIZE(ctx_reg) + \
-					 HSW_CXT_RENDER_SIZE(ctx_reg) + \
-					 GEN7_CXT_VFSTATE_SIZE(ctx_reg))
-
+/* Haswell does have the CXT_SIZE register however it does not appear to be
+ * valid. Now, docs explain in dwords what is in the context object. The full
+ * size is 70720 bytes, however, the power context and execlist context will
+ * never be saved (power context is stored elsewhere, and execlists don't work
+ * on HSW) - so the final size is 66944 bytes, which rounds to 17 pages.
+ */
+#define HSW_CXT_TOTAL_SIZE		(17 * PAGE_SIZE)
 
 /*
  * Overlay regs
@@ -1691,6 +1690,12 @@
 /* SDVO is different across gen3/4 */
 #define   SDVOC_HOTPLUG_INT_STATUS_G4X		(1 << 3)
 #define   SDVOB_HOTPLUG_INT_STATUS_G4X		(1 << 2)
+/*
+ * Bspec seems to be seriously misleaded about the SDVO hpd bits on i965g/gm,
+ * since reality corrobates that they're the same as on gen3. But keep these
+ * bits here (and the comment!) to help any other lost wanderers back onto the
+ * right tracks.
+ */
 #define   SDVOC_HOTPLUG_INT_STATUS_I965		(3 << 4)
 #define   SDVOB_HOTPLUG_INT_STATUS_I965		(3 << 2)
 #define   SDVOC_HOTPLUG_INT_STATUS_I915		(1 << 7)
@@ -1702,13 +1707,6 @@
 						 PORTC_HOTPLUG_INT_STATUS | \
 						 PORTD_HOTPLUG_INT_STATUS)
 
-#define HOTPLUG_INT_STATUS_I965			(CRT_HOTPLUG_INT_STATUS | \
-						 SDVOB_HOTPLUG_INT_STATUS_I965 | \
-						 SDVOC_HOTPLUG_INT_STATUS_I965 | \
-						 PORTB_HOTPLUG_INT_STATUS | \
-						 PORTC_HOTPLUG_INT_STATUS | \
-						 PORTD_HOTPLUG_INT_STATUS)
-
 #define HOTPLUG_INT_STATUS_I915			(CRT_HOTPLUG_INT_STATUS | \
 						 SDVOB_HOTPLUG_INT_STATUS_I915 | \
 						 SDVOC_HOTPLUG_INT_STATUS_I915 | \
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index bf29b2f4..988911af 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -198,7 +198,8 @@ struct mga_device {
 		struct ttm_bo_device bdev;
 	} ttm;
 
-	u32 reg_1e24; /* SE model number */
+	/* SE model number stored in reg 0x1e24 */
+	u32 unique_rev_id;
 };
 
 
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index 99059237..dafe049f 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -176,7 +176,7 @@ static int mgag200_device_init(struct drm_device *dev,
 
 	/* stash G200 SE model number for later use */
 	if (IS_G200_SE(mdev))
-		mdev->reg_1e24 = RREG32(0x1e24);
+		mdev->unique_rev_id = RREG32(0x1e24);
 
 	ret = mga_vram_init(mdev);
 	if (ret)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index ee66badc..99e07b68 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1008,7 +1008,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
 
 
 	if (IS_G200_SE(mdev)) {
-		if (mdev->reg_1e24 >= 0x02) {
+		if (mdev->unique_rev_id >= 0x02) {
 			u8 hi_pri_lvl;
 			u32 bpp;
 			u32 mb;
@@ -1038,7 +1038,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
 			WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl);
 		} else {
 			WREG8(MGAREG_CRTCEXT_INDEX, 0x06);
-			if (mdev->reg_1e24 >= 0x01)
+			if (mdev->unique_rev_id >= 0x01)
 				WREG8(MGAREG_CRTCEXT_DATA, 0x03);
 			else
 				WREG8(MGAREG_CRTCEXT_DATA, 0x04);
@@ -1410,6 +1410,32 @@ static int mga_vga_get_modes(struct drm_connector *connector)
 	return ret;
 }
 
+static uint32_t mga_vga_calculate_mode_bandwidth(struct drm_display_mode *mode,
+							int bits_per_pixel)
+{
+	uint32_t total_area, divisor;
+	int64_t active_area, pixels_per_second, bandwidth;
+	uint64_t bytes_per_pixel = (bits_per_pixel + 7) / 8;
+
+	divisor = 1024;
+
+	if (!mode->htotal || !mode->vtotal || !mode->clock)
+		return 0;
+
+	active_area = mode->hdisplay * mode->vdisplay;
+	total_area = mode->htotal * mode->vtotal;
+
+	pixels_per_second = active_area * mode->clock * 1000;
+	do_div(pixels_per_second, total_area);
+
+	bandwidth = pixels_per_second * bytes_per_pixel * 100;
+	do_div(bandwidth, divisor);
+
+	return (uint32_t)(bandwidth);
+}
+
+#define MODE_BANDWIDTH	MODE_BAD
+
 static int mga_vga_mode_valid(struct drm_connector *connector,
 				 struct drm_display_mode *mode)
 {
@@ -1421,7 +1447,45 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
 	int bpp = 32;
 	int i = 0;
 
-	/* FIXME: Add bandwidth and g200se limitations */
+	if (IS_G200_SE(mdev)) {
+		if (mdev->unique_rev_id == 0x01) {
+			if (mode->hdisplay > 1600)
+				return MODE_VIRTUAL_X;
+			if (mode->vdisplay > 1200)
+				return MODE_VIRTUAL_Y;
+			if (mga_vga_calculate_mode_bandwidth(mode, bpp)
+				> (24400 * 1024))
+				return MODE_BANDWIDTH;
+		} else if (mdev->unique_rev_id >= 0x02) {
+			if (mode->hdisplay > 1920)
+				return MODE_VIRTUAL_X;
+			if (mode->vdisplay > 1200)
+				return MODE_VIRTUAL_Y;
+			if (mga_vga_calculate_mode_bandwidth(mode, bpp)
+				> (30100 * 1024))
+				return MODE_BANDWIDTH;
+		}
+	} else if (mdev->type == G200_WB) {
+		if (mode->hdisplay > 1280)
+			return MODE_VIRTUAL_X;
+		if (mode->vdisplay > 1024)
+			return MODE_VIRTUAL_Y;
+		if (mga_vga_calculate_mode_bandwidth(mode,
+			bpp > (31877 * 1024)))
+			return MODE_BANDWIDTH;
+	} else if (mdev->type == G200_EV &&
+		(mga_vga_calculate_mode_bandwidth(mode, bpp)
+			> (32700 * 1024))) {
+		return MODE_BANDWIDTH;
+	} else if (mode->type == G200_EH &&
+		(mga_vga_calculate_mode_bandwidth(mode, bpp)
+			> (37500 * 1024))) {
+		return MODE_BANDWIDTH;
+	} else if (mode->type == G200_ER &&
+		(mga_vga_calculate_mode_bandwidth(mode,
+			bpp) > (55000 * 1024))) {
+		return MODE_BANDWIDTH;
+	}
 
 	if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 ||
 	    mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 ||
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c
index f065fc24..db8c6fd4 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/hdminva3.c
@@ -55,6 +55,10 @@ nva3_hdmi_ctrl(struct nv50_disp_priv *priv, int head, int or, u32 data)
 	nv_wr32(priv, 0x61c510 + soff, 0x00000000);
 	nv_mask(priv, 0x61c500 + soff, 0x00000001, 0x00000001);
 
+	nv_mask(priv, 0x61c5d0 + soff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
+	nv_mask(priv, 0x61c568 + soff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
+	nv_mask(priv, 0x61c578 + soff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
+
 	/* ??? */
 	nv_mask(priv, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
 	nv_mask(priv, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 6a38402f..5680d3eb 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -1107,6 +1107,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head)
 	u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff;
 	u32 hval, hreg = 0x614200 + (head * 0x800);
 	u32 oval, oreg;
+	u32 mask;
 	u32 conf = exec_clkcmp(priv, head, 0xff, pclk, &outp);
 	if (conf != ~0) {
 		if (outp.location == 0 && outp.type == DCB_OUTPUT_DP) {
@@ -1133,6 +1134,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head)
 			oreg = 0x614280 + (ffs(outp.or) - 1) * 0x800;
 			oval = 0x00000000;
 			hval = 0x00000000;
+			mask = 0xffffffff;
 		} else
 		if (!outp.location) {
 			if (outp.type == DCB_OUTPUT_DP)
@@ -1140,14 +1142,16 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head)
 			oreg = 0x614300 + (ffs(outp.or) - 1) * 0x800;
 			oval = (conf & 0x0100) ? 0x00000101 : 0x00000000;
 			hval = 0x00000000;
+			mask = 0x00000707;
 		} else {
 			oreg = 0x614380 + (ffs(outp.or) - 1) * 0x800;
 			oval = 0x00000001;
 			hval = 0x00000001;
+			mask = 0x00000707;
 		}
 
 		nv_mask(priv, hreg, 0x0000000f, hval);
-		nv_mask(priv, oreg, 0x00000707, oval);
+		nv_mask(priv, oreg, mask, oval);
 	}
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
index 77c67fc9..e66fb771 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
@@ -362,7 +362,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
 	vm->fpde = offset >> (vmm->pgt_bits + 12);
 	vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12);
 
-	vm->pgt  = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL);
+	vm->pgt  = vzalloc((vm->lpde - vm->fpde + 1) * sizeof(*vm->pgt));
 	if (!vm->pgt) {
 		kfree(vm);
 		return -ENOMEM;
@@ -371,7 +371,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
 	ret = nouveau_mm_init(&vm->mm, mm_offset >> 12, mm_length >> 12,
 			      block >> 12);
 	if (ret) {
-		kfree(vm->pgt);
+		vfree(vm->pgt);
 		kfree(vm);
 		return ret;
 	}
@@ -446,7 +446,7 @@ nouveau_vm_del(struct nouveau_vm *vm)
 	}
 
 	nouveau_mm_fini(&vm->mm);
-	kfree(vm->pgt);
+	vfree(vm->pgt);
 	kfree(vm);
 }
 
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 8406c825..4120d355 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -186,6 +186,13 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
 	u8 backlight_level;
 	char bl_name[16];
 
+	/* Mac laptops with multiple GPUs use the gmux driver for backlight
+	 * so don't register a backlight device
+	 */
+	if ((rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) &&
+	    (rdev->pdev->device == 0x6741))
+		return;
+
 	if (!radeon_encoder->enc_priv)
 		return;
 
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index ed7c8a76..b9c6f767 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -128,14 +128,7 @@ static void evergreen_hdmi_update_avi_infoframe(struct drm_encoder *encoder,
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 	uint32_t offset = dig->afmt->offset;
 	uint8_t *frame = buffer + 3;
-
-	/* Our header values (type, version, length) should be alright, Intel
-	 * is using the same. Checksum function also seems to be OK, it works
-	 * fine for audio infoframe. However calculated value is always lower
-	 * by 2 in comparison to fglrx. It breaks displaying anything in case
-	 * of TVs that strictly check the checksum. Hack it manually here to
-	 * workaround this issue. */
-	frame[0x0] += 2;
+	uint8_t *header = buffer;
 
 	WREG32(AFMT_AVI_INFO0 + offset,
 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
@@ -144,7 +137,7 @@ static void evergreen_hdmi_update_avi_infoframe(struct drm_encoder *encoder,
 	WREG32(AFMT_AVI_INFO2 + offset,
 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
 	WREG32(AFMT_AVI_INFO3 + offset,
-		frame[0xC] | (frame[0xD] << 8));
+		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
 }
 
 static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock)
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 456750a0..e73b2a73 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -133,14 +133,7 @@ static void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder,
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 	uint32_t offset = dig->afmt->offset;
 	uint8_t *frame = buffer + 3;
-
-	/* Our header values (type, version, length) should be alright, Intel
-	 * is using the same. Checksum function also seems to be OK, it works
-	 * fine for audio infoframe. However calculated value is always lower
-	 * by 2 in comparison to fglrx. It breaks displaying anything in case
-	 * of TVs that strictly check the checksum. Hack it manually here to
-	 * workaround this issue. */
-	frame[0x0] += 2;
+	uint8_t *header = buffer;
 
 	WREG32(HDMI0_AVI_INFO0 + offset,
 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
@@ -149,7 +142,7 @@ static void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder,
 	WREG32(HDMI0_AVI_INFO2 + offset,
 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
 	WREG32(HDMI0_AVI_INFO3 + offset,
-		frame[0xC] | (frame[0xD] << 8));
+		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
 }
 
 /*
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 04638aee..99cec182 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -199,7 +199,7 @@ static const s8 NCT6775_ALARM_BITS[] = {
 	0, 1, 2, 3, 8, 21, 20, 16,	/* in0.. in7 */
 	17, -1, -1, -1, -1, -1, -1,	/* in8..in14 */
 	-1,				/* unused */
-	6, 7, 11, 10, 23,		/* fan1..fan5 */
+	6, 7, 11, -1, -1,		/* fan1..fan5 */
 	-1, -1, -1,			/* unused */
 	4, 5, 13, -1, -1, -1,		/* temp1..temp6 */
 	12, -1 };			/* intrusion0, intrusion1 */
@@ -625,6 +625,7 @@ struct nct6775_data {
 	u8 has_fan_min;		/* some fans don't have min register */
 	bool has_fan_div;
 
+	u8 num_temp_alarms;	/* 2 or 3 */
 	u8 temp_fixed_num;	/* 3 or 6 */
 	u8 temp_type[NUM_TEMP_FIXED];
 	s8 temp_offset[NUM_TEMP_FIXED];
@@ -1193,6 +1194,42 @@ show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 		       (unsigned int)((data->alarms >> nr) & 0x01));
 }
 
+static int find_temp_source(struct nct6775_data *data, int index, int count)
+{
+	int source = data->temp_src[index];
+	int nr;
+
+	for (nr = 0; nr < count; nr++) {
+		int src;
+
+		src = nct6775_read_value(data,
+					 data->REG_TEMP_SOURCE[nr]) & 0x1f;
+		if (src == source)
+			return nr;
+	}
+	return -1;
+}
+
+static ssize_t
+show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
+	struct nct6775_data *data = nct6775_update_device(dev);
+	unsigned int alarm = 0;
+	int nr;
+
+	/*
+	 * For temperatures, there is no fixed mapping from registers to alarm
+	 * bits. Alarm bits are determined by the temperature source mapping.
+	 */
+	nr = find_temp_source(data, sattr->index, data->num_temp_alarms);
+	if (nr >= 0) {
+		int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE];
+		alarm = (data->alarms >> bit) & 0x01;
+	}
+	return sprintf(buf, "%u\n", alarm);
+}
+
 static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in_reg, NULL, 0, 0);
 static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in_reg, NULL, 1, 0);
 static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in_reg, NULL, 2, 0);
@@ -1874,22 +1911,18 @@ static struct sensor_device_attribute sda_temp_type[] = {
 };
 
 static struct sensor_device_attribute sda_temp_alarm[] = {
-	SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL,
-		    TEMP_ALARM_BASE),
-	SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL,
-		    TEMP_ALARM_BASE + 1),
-	SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL,
-		    TEMP_ALARM_BASE + 2),
-	SENSOR_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL,
-		    TEMP_ALARM_BASE + 3),
-	SENSOR_ATTR(temp5_alarm, S_IRUGO, show_alarm, NULL,
-		    TEMP_ALARM_BASE + 4),
-	SENSOR_ATTR(temp6_alarm, S_IRUGO, show_alarm, NULL,
-		    TEMP_ALARM_BASE + 5),
+	SENSOR_ATTR(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0),
+	SENSOR_ATTR(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 1),
+	SENSOR_ATTR(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 2),
+	SENSOR_ATTR(temp4_alarm, S_IRUGO, show_temp_alarm, NULL, 3),
+	SENSOR_ATTR(temp5_alarm, S_IRUGO, show_temp_alarm, NULL, 4),
+	SENSOR_ATTR(temp6_alarm, S_IRUGO, show_temp_alarm, NULL, 5),
+	SENSOR_ATTR(temp7_alarm, S_IRUGO, show_temp_alarm, NULL, 6),
+	SENSOR_ATTR(temp8_alarm, S_IRUGO, show_temp_alarm, NULL, 7),
+	SENSOR_ATTR(temp9_alarm, S_IRUGO, show_temp_alarm, NULL, 8),
+	SENSOR_ATTR(temp10_alarm, S_IRUGO, show_temp_alarm, NULL, 9),
 };
 
-#define NUM_TEMP_ALARM	ARRAY_SIZE(sda_temp_alarm)
-
 static ssize_t
 show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -3215,13 +3248,11 @@ static void nct6775_device_remove_files(struct device *dev)
 		device_remove_file(dev, &sda_temp_max[i].dev_attr);
 		device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
 		device_remove_file(dev, &sda_temp_crit[i].dev_attr);
+		device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
 		if (!(data->have_temp_fixed & (1 << i)))
 			continue;
 		device_remove_file(dev, &sda_temp_type[i].dev_attr);
 		device_remove_file(dev, &sda_temp_offset[i].dev_attr);
-		if (i >= NUM_TEMP_ALARM)
-			continue;
-		device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
 	}
 
 	device_remove_file(dev, &sda_caseopen[0].dev_attr);
@@ -3419,6 +3450,7 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->auto_pwm_num = 6;
 		data->has_fan_div = true;
 		data->temp_fixed_num = 3;
+		data->num_temp_alarms = 3;
 
 		data->ALARM_BITS = NCT6775_ALARM_BITS;
 
@@ -3483,6 +3515,7 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->auto_pwm_num = 4;
 		data->has_fan_div = false;
 		data->temp_fixed_num = 3;
+		data->num_temp_alarms = 3;
 
 		data->ALARM_BITS = NCT6776_ALARM_BITS;
 
@@ -3547,6 +3580,7 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->auto_pwm_num = 4;
 		data->has_fan_div = false;
 		data->temp_fixed_num = 6;
+		data->num_temp_alarms = 2;
 
 		data->ALARM_BITS = NCT6779_ALARM_BITS;
 
@@ -3843,10 +3877,12 @@ static int nct6775_probe(struct platform_device *pdev)
 						 &sda_fan_input[i].dev_attr);
 			if (err)
 				goto exit_remove;
-			err = device_create_file(dev,
-						 &sda_fan_alarm[i].dev_attr);
-			if (err)
-				goto exit_remove;
+			if (data->ALARM_BITS[FAN_ALARM_BASE + i] >= 0) {
+				err = device_create_file(dev,
+						&sda_fan_alarm[i].dev_attr);
+				if (err)
+					goto exit_remove;
+			}
 			if (data->kind != nct6776 &&
 			    data->kind != nct6779) {
 				err = device_create_file(dev,
@@ -3897,6 +3933,12 @@ static int nct6775_probe(struct platform_device *pdev)
 			if (err)
 				goto exit_remove;
 		}
+		if (find_temp_source(data, i, data->num_temp_alarms) >= 0) {
+			err = device_create_file(dev,
+						 &sda_temp_alarm[i].dev_attr);
+			if (err)
+				goto exit_remove;
+		}
 		if (!(data->have_temp_fixed & (1 << i)))
 			continue;
 		err = device_create_file(dev, &sda_temp_type[i].dev_attr);
@@ -3905,12 +3947,6 @@ static int nct6775_probe(struct platform_device *pdev)
 		err = device_create_file(dev, &sda_temp_offset[i].dev_attr);
 		if (err)
 			goto exit_remove;
-		if (i >= NUM_TEMP_ALARM ||
-		    data->ALARM_BITS[TEMP_ALARM_BASE + i] < 0)
-			continue;
-		err = device_create_file(dev, &sda_temp_alarm[i].dev_attr);
-		if (err)
-			goto exit_remove;
 	}
 
 	for (i = 0; i < ARRAY_SIZE(sda_caseopen); i++) {
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 631736e2..4faf02b3 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -150,6 +150,7 @@ config I2C_PIIX4
 	    ATI SB700/SP5100
 	    ATI SB800
 	    AMD Hudson-2
+	    AMD CZ
 	    Serverworks OSB4
 	    Serverworks CSB5
 	    Serverworks CSB6
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 39ab78c1..d05ad590 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -22,7 +22,7 @@
 	Intel PIIX4, 440MX
 	Serverworks OSB4, CSB5, CSB6, HT-1000, HT-1100
 	ATI IXP200, IXP300, IXP400, SB600, SB700/SP5100, SB800
-	AMD Hudson-2
+	AMD Hudson-2, CZ
 	SMSC Victory66
 
    Note: we assume there can only be one device, with one or more
@@ -522,6 +522,7 @@ static DEFINE_PCI_DEVICE_TABLE(piix4_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x790b) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
 		     PCI_DEVICE_ID_SERVERWORKS_OSB4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 98ddc323..0cf5f8e0 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -451,7 +451,7 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
 	int ret;
 
 	ret = iio_channel_read(chan, &offset, NULL, IIO_CHAN_INFO_OFFSET);
-	if (ret == 0)
+	if (ret >= 0)
 		raw64 += offset;
 
 	scale_type = iio_channel_read(chan, &scale_val, &scale_val2,
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 21d02b0d..a3c33894 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1484,6 +1484,10 @@ static unsigned long iommu_unmap_page(struct protection_domain *dom,
 
 			/* Large PTE found which maps this address */
 			unmap_size = PTE_PAGE_SIZE(*pte);
+
+			/* Only unmap from the first pte in the page */
+			if ((unmap_size - 1) & bus_addr)
+				break;
 			count      = PAGE_SIZE_PTE_COUNT(unmap_size);
 			for (i = 0; i < count; i++)
 				pte[i] = 0ULL;
@@ -1493,7 +1497,7 @@ static unsigned long iommu_unmap_page(struct protection_domain *dom,
 		unmapped += unmap_size;
 	}
 
-	BUG_ON(!is_power_of_2(unmapped));
+	BUG_ON(unmapped && !is_power_of_2(unmapped));
 
 	return unmapped;
 }
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 6ddae250..d61eb7ea 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2075,11 +2075,17 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
 			 * both 'first' and 'i', so we just compare them.
 			 * All vec entries are PAGE_SIZE;
 			 */
-			for (j = 0; j < vcnt; j++)
+			int sectors = r10_bio->sectors;
+			for (j = 0; j < vcnt; j++) {
+				int len = PAGE_SIZE;
+				if (sectors < (len / 512))
+					len = sectors * 512;
 				if (memcmp(page_address(fbio->bi_io_vec[j].bv_page),
 					   page_address(tbio->bi_io_vec[j].bv_page),
-					   fbio->bi_io_vec[j].bv_len))
+					   len))
 					break;
+				sectors -= len/512;
+			}
 			if (j == vcnt)
 				continue;
 			atomic64_add(r10_bio->sectors, &mddev->resync_mismatches);
@@ -2909,14 +2915,13 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
 	 */
 	if (mddev->bitmap == NULL &&
 	    mddev->recovery_cp == MaxSector &&
+	    mddev->reshape_position == MaxSector &&
+	    !test_bit(MD_RECOVERY_SYNC, &mddev->recovery) &&
 	    !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery) &&
+	    !test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
 	    conf->fullsync == 0) {
 		*skipped = 1;
-		max_sector = mddev->dev_sectors;
-		if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) ||
-		    test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
-			max_sector = mddev->resync_max_sectors;
-		return max_sector - sector_nr;
+		return mddev->dev_sectors - sector_nr;
 	}
 
  skipped:
@@ -3386,6 +3391,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
 
 		if (bio->bi_end_io == end_sync_read) {
 			md_sync_acct(bio->bi_bdev, nr_sectors);
+			set_bit(BIO_UPTODATE, &bio->bi_flags);
 			generic_make_request(bio);
 		}
 	}
@@ -3532,7 +3538,7 @@ static struct r10conf *setup_conf(struct mddev *mddev)
 
 	/* FIXME calc properly */
 	conf->mirrors = kzalloc(sizeof(struct raid10_info)*(mddev->raid_disks +
-							    max(0,mddev->delta_disks)),
+							    max(0,-mddev->delta_disks)),
 				GFP_KERNEL);
 	if (!conf->mirrors)
 		goto out;
@@ -3691,7 +3697,7 @@ static int run(struct mddev *mddev)
 		    conf->geo.far_offset == 0)
 			goto out_free_conf;
 		if (conf->prev.far_copies != 1 &&
-		    conf->geo.far_offset == 0)
+		    conf->prev.far_offset == 0)
 			goto out_free_conf;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index e6b92ff2..25b8bbbe 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3563,14 +3563,18 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	int chain;
-	u32 regval;
+	u32 regval, value;
 	static const u32 switch_chain_reg[AR9300_MAX_CHAINS] = {
 			AR_PHY_SWITCH_CHAIN_0,
 			AR_PHY_SWITCH_CHAIN_1,
 			AR_PHY_SWITCH_CHAIN_2,
 	};
 
-	u32 value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
+	if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0))
+		ath9k_hw_cfg_output(ah, AR9300_EXT_LNA_CTL_GPIO_AR9485,
+				    AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED);
+
+	value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
 
 	if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
 		REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index e7177419..5013c731 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -351,6 +351,8 @@
 
 #define AR_PHY_CCA_NOM_VAL_9330_2GHZ          -118
 
+#define AR9300_EXT_LNA_CTL_GPIO_AR9485 9
+
 /*
  * AGC Field Definitions
  */
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 7304e758..5e8219a9 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -387,7 +387,6 @@ bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
 
 	if (!caldata) {
 		chan->noisefloor = nf;
-		ah->noise = ath9k_hw_getchan_noise(ah, chan);
 		return false;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 15dfefcf..b1d5037b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1872,7 +1872,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	ah->caldata = caldata;
 	if (caldata && (chan->channel != caldata->channel ||
-			chan->channelFlags != caldata->channelFlags)) {
+			chan->channelFlags != caldata->channelFlags ||
+			chan->chanmode != caldata->chanmode)) {
 		/* Operating channel changed, reset channel calibration data */
 		memset(caldata, 0, sizeof(*caldata));
 		ath9k_init_nfcal_hist_buffer(ah, chan);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 5092ecae..35ced100 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1211,13 +1211,6 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		ath_update_survey_stats(sc);
 		spin_unlock_irqrestore(&common->cc_lock, flags);
 
-		/*
-		 * Preserve the current channel values, before updating
-		 * the same channel
-		 */
-		if (ah->curchan && (old_pos == pos))
-			ath9k_hw_getnf(ah, ah->curchan);
-
 		ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
 					  curchan, channel_type);
 
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 078e6f34..13f91ac9 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -28,7 +28,7 @@ config B43
 
 config B43_BCMA
 	bool "Support for BCMA bus"
-	depends on B43 && BCMA
+	depends on B43 && (BCMA = y || BCMA = B43)
 	default y
 
 config B43_BCMA_EXTRA
@@ -39,7 +39,7 @@ config B43_BCMA_EXTRA
 
 config B43_SSB
 	bool
-	depends on B43 && SSB
+	depends on B43 && (SSB = y || SSB = B43)
 	default y
 
 # Auto-select SSB PCI-HOST support, if possible
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 72f32e5c..705aa338 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2392,7 +2392,7 @@ static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
 
 	rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
-	if (info->default_power1 > power_bound)
+	if (info->default_power2 > power_bound)
 		rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
 	else
 		rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
@@ -6056,8 +6056,8 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 		default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
 
 		for (i = 14; i < spec->num_channels; i++) {
-			info[i].default_power1 = default_power1[i];
-			info[i].default_power2 = default_power2[i];
+			info[i].default_power1 = default_power1[i - 14];
+			info[i].default_power2 = default_power2[i - 14];
 		}
 	}
 
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 0dc8180e..883a54c8 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2825,7 +2825,8 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 		tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
 		for (i = 14; i < spec->num_channels; i++) {
 			info[i].max_power = MAX_TXPOWER;
-			info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+			info[i].default_power1 =
+					TXPOWER_FROM_DEV(tx_power[i - 14]);
 		}
 	}
 
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 377e09bb..2bbca183 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2167,7 +2167,8 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 		tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
 		for (i = 14; i < spec->num_channels; i++) {
 			info[i].max_power = MAX_TXPOWER;
-			info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+			info[i].default_power1 =
+					TXPOWER_FROM_DEV(tx_power[i - 14]);
 		}
 	}
 
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 04da786c..7c8221d3 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -106,8 +106,12 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr)
 
 static int of_bus_pci_match(struct device_node *np)
 {
-	/* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */
-	return !strcmp(np->type, "pci") || !strcmp(np->type, "vci");
+	/*
+	 * "vci" is for the /chaos bridge on 1st-gen PCI powermacs
+	 * "ht" is hypertransport
+	 */
+	return !strcmp(np->type, "pci") || !strcmp(np->type, "vci") ||
+		!strcmp(np->type, "ht");
 }
 
 static void of_bus_pci_count_cells(struct device_node *np,
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index f6adde44..3743ac93 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -3,7 +3,7 @@
  *
  * Module interface and handling of zfcp data structures.
  *
- * Copyright IBM Corp. 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
  */
 
 /*
@@ -23,6 +23,7 @@
  *            Christof Schmitt
  *            Martin Petermann
  *            Sven Schuetz
+ *            Steffen Maier
  */
 
 #define KMSG_COMPONENT "zfcp"
@@ -415,6 +416,8 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device)
 	adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;
 	adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;
 
+	adapter->stat_read_buf_num = FSF_STATUS_READS_RECOM;
+
 	if (!zfcp_scsi_adapter_register(adapter))
 		return adapter;
 
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index c7e148f3..9152999a 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -3,7 +3,7 @@
  *
  * Implementation of FSF commands.
  *
- * Copyright IBM Corp. 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
  */
 
 #define KMSG_COMPONENT "zfcp"
@@ -483,12 +483,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
 
 	fc_host_port_name(shost) = nsp->fl_wwpn;
 	fc_host_node_name(shost) = nsp->fl_wwnn;
-	fc_host_port_id(shost) = ntoh24(bottom->s_id);
-	fc_host_speed(shost) =
-		zfcp_fsf_convert_portspeed(bottom->fc_link_speed);
 	fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
 
-	adapter->hydra_version = bottom->adapter_type;
 	adapter->timer_ticks = bottom->timer_interval & ZFCP_FSF_TIMER_INT_MASK;
 	adapter->stat_read_buf_num = max(bottom->status_read_buf_num,
 					 (u16)FSF_STATUS_READS_RECOM);
@@ -496,6 +492,19 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
 	if (fc_host_permanent_port_name(shost) == -1)
 		fc_host_permanent_port_name(shost) = fc_host_port_name(shost);
 
+	zfcp_scsi_set_prot(adapter);
+
+	/* no error return above here, otherwise must fix call chains */
+	/* do not evaluate invalid fields */
+	if (req->qtcb->header.fsf_status == FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE)
+		return 0;
+
+	fc_host_port_id(shost) = ntoh24(bottom->s_id);
+	fc_host_speed(shost) =
+		zfcp_fsf_convert_portspeed(bottom->fc_link_speed);
+
+	adapter->hydra_version = bottom->adapter_type;
+
 	switch (bottom->fc_topology) {
 	case FSF_TOPO_P2P:
 		adapter->peer_d_id = ntoh24(bottom->peer_d_id);
@@ -517,8 +526,6 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
 		return -EIO;
 	}
 
-	zfcp_scsi_set_prot(adapter);
-
 	return 0;
 }
 
@@ -563,8 +570,14 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
 		fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
 		adapter->hydra_version = 0;
 
+		/* avoids adapter shutdown to be able to recognize
+		 * events such as LINK UP */
+		atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
+				&adapter->status);
 		zfcp_fsf_link_down_info_eval(req,
 			&qtcb->header.fsf_status_qual.link_down_info);
+		if (zfcp_fsf_exchange_config_evaluate(req))
+			return;
 		break;
 	default:
 		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh3");
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 7b31e3f4..7b353647 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -3,7 +3,7 @@
  *
  * Interface to Linux SCSI midlayer.
  *
- * Copyright IBM Corp. 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
  */
 
 #define KMSG_COMPONENT "zfcp"
@@ -311,8 +311,12 @@ static struct scsi_host_template zfcp_scsi_host_template = {
 	.proc_name		 = "zfcp",
 	.can_queue		 = 4096,
 	.this_id		 = -1,
-	.sg_tablesize		 = 1, /* adjusted later */
-	.max_sectors		 = 8, /* adjusted later */
+	.sg_tablesize		 = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
+				     * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2),
+				   /* GCD, adjusted later */
+	.max_sectors		 = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
+				     * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2) * 8,
+				   /* GCD, adjusted later */
 	.dma_boundary		 = ZFCP_QDIO_SBALE_LEN - 1,
 	.cmd_per_lun		 = 1,
 	.use_clustering		 = 1,
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index 0f56d8d7..7e171076 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -93,6 +93,9 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id)
 			int send_it = 0;
 			extern int aac_sync_mode;
 
+			src_writel(dev, MUnit.ODR_C, bellbits);
+			src_readl(dev, MUnit.ODR_C);
+
 			if (!aac_sync_mode) {
 				src_writel(dev, MUnit.ODR_C, bellbits);
 				src_readl(dev, MUnit.ODR_C);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index bcb23d28..c76b18bb 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -80,10 +80,6 @@ static int msix_disable = -1;
 module_param(msix_disable, int, 0);
 MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
 
-static int missing_delay[2] = {-1, -1};
-module_param_array(missing_delay, int, NULL, 0);
-MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
-
 static int mpt2sas_fwfault_debug;
 MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
 	"and halt firmware - (default=0)");
@@ -2199,7 +2195,7 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
 }
 
 /**
- * _base_update_missing_delay - change the missing delay timers
+ * mpt2sas_base_update_missing_delay - change the missing delay timers
  * @ioc: per adapter object
  * @device_missing_delay: amount of time till device is reported missing
  * @io_missing_delay: interval IO is returned when there is a missing device
@@ -2210,8 +2206,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
  * delay, as well as the io missing delay. This should be called at driver
  * load time.
  */
-static void
-_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+void
+mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
 	u16 device_missing_delay, u8 io_missing_delay)
 {
 	u16 dmd, dmd_new, dmd_orignal;
@@ -4407,9 +4403,6 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	if (r)
 		goto out_free_resources;
 
-	if (missing_delay[0] != -1 && missing_delay[1] != -1)
-		_base_update_missing_delay(ioc, missing_delay[0],
-		    missing_delay[1]);
 	ioc->non_operational_loop = 0;
 
 	return 0;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 4caaac13..11301974 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -1055,6 +1055,9 @@ void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_ty
 
 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
 
+void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+	u16 device_missing_delay, u8 io_missing_delay);
+
 int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
 
 /* scsih shared API */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index c6bdc926..8dbe500c 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -101,6 +101,10 @@ static ushort max_sectors = 0xFFFF;
 module_param(max_sectors, ushort, 0);
 MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767  default=32767");
 
+static int missing_delay[2] = {-1, -1};
+module_param_array(missing_delay, int, NULL, 0);
+MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
+
 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
 #define MPT2SAS_MAX_LUN (16895)
 static int max_lun = MPT2SAS_MAX_LUN;
@@ -3994,11 +3998,7 @@ _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
 			else
 				mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
 		} else
-/* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
-/*			mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
- */
-			mpi_control |= (0x500);
-
+			mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
 	} else
 		mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
 	/* Make sure Device is not raid volume.
@@ -7303,7 +7303,9 @@ _firmware_event_work(struct work_struct *work)
 	case MPT2SAS_PORT_ENABLE_COMPLETE:
 		ioc->start_scan = 0;
 
-
+		if (missing_delay[0] != -1 && missing_delay[1] != -1)
+			mpt2sas_base_update_missing_delay(ioc, missing_delay[0],
+				missing_delay[1]);
 
 		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
 		    "from worker thread\n", ioc->name));
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 2c0d0ec8..3b1ea34e 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -1070,8 +1070,8 @@ EXPORT_SYMBOL_GPL(scsi_get_vpd_page);
  * @opcode:	opcode for command to look up
  *
  * Uses the REPORT SUPPORTED OPERATION CODES to look up the given
- * opcode. Returns 0 if RSOC fails or if the command opcode is
- * unsupported. Returns 1 if the device claims to support the command.
+ * opcode. Returns -EINVAL if RSOC fails, 0 if the command opcode is
+ * unsupported and 1 if the device claims to support the command.
  */
 int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
 		       unsigned int len, unsigned char opcode)
@@ -1081,7 +1081,7 @@ int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
 	int result;
 
 	if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)
-		return 0;
+		return -EINVAL;
 
 	memset(cmd, 0, 16);
 	cmd[0] = MAINTENANCE_IN;
@@ -1097,7 +1097,7 @@ int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
 	if (result && scsi_sense_valid(&sshdr) &&
 	    sshdr.sense_key == ILLEGAL_REQUEST &&
 	    (sshdr.asc == 0x20 || sshdr.asc == 0x24) && sshdr.ascq == 0x00)
-		return 0;
+		return -EINVAL;
 
 	if ((buffer[1] & 3) == 3) /* Command supported */
 		return 1;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 6f6a1b48..1b1125e6 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -442,8 +442,10 @@ sd_store_write_same_blocks(struct device *dev, struct device_attribute *attr,
 
 	if (max == 0)
 		sdp->no_write_same = 1;
-	else if (max <= SD_MAX_WS16_BLOCKS)
+	else if (max <= SD_MAX_WS16_BLOCKS) {
+		sdp->no_write_same = 0;
 		sdkp->max_ws_blocks = max;
+	}
 
 	sd_config_write_same(sdkp);
 
@@ -740,7 +742,6 @@ static void sd_config_write_same(struct scsi_disk *sdkp)
 {
 	struct request_queue *q = sdkp->disk->queue;
 	unsigned int logical_block_size = sdkp->device->sector_size;
-	unsigned int blocks = 0;
 
 	if (sdkp->device->no_write_same) {
 		sdkp->max_ws_blocks = 0;
@@ -752,18 +753,20 @@ static void sd_config_write_same(struct scsi_disk *sdkp)
 	 * blocks per I/O unless the device explicitly advertises a
 	 * bigger limit.
 	 */
-	if (sdkp->max_ws_blocks == 0)
-		sdkp->max_ws_blocks = SD_MAX_WS10_BLOCKS;
-
-	if (sdkp->ws16 || sdkp->max_ws_blocks > SD_MAX_WS10_BLOCKS)
-		blocks = min_not_zero(sdkp->max_ws_blocks,
-				      (u32)SD_MAX_WS16_BLOCKS);
-	else
-		blocks = min_not_zero(sdkp->max_ws_blocks,
-				      (u32)SD_MAX_WS10_BLOCKS);
+	if (sdkp->max_ws_blocks > SD_MAX_WS10_BLOCKS)
+		sdkp->max_ws_blocks = min_not_zero(sdkp->max_ws_blocks,
+						   (u32)SD_MAX_WS16_BLOCKS);
+	else if (sdkp->ws16 || sdkp->ws10 || sdkp->device->no_report_opcodes)
+		sdkp->max_ws_blocks = min_not_zero(sdkp->max_ws_blocks,
+						   (u32)SD_MAX_WS10_BLOCKS);
+	else {
+		sdkp->device->no_write_same = 1;
+		sdkp->max_ws_blocks = 0;
+	}
 
 out:
-	blk_queue_max_write_same_sectors(q, blocks * (logical_block_size >> 9));
+	blk_queue_max_write_same_sectors(q, sdkp->max_ws_blocks *
+					 (logical_block_size >> 9));
 }
 
 /**
@@ -2635,9 +2638,24 @@ static void sd_read_block_provisioning(struct scsi_disk *sdkp)
 
 static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer)
 {
-	if (scsi_report_opcode(sdkp->device, buffer, SD_BUF_SIZE,
-			       WRITE_SAME_16))
+	struct scsi_device *sdev = sdkp->device;
+
+	if (scsi_report_opcode(sdev, buffer, SD_BUF_SIZE, INQUIRY) < 0) {
+		sdev->no_report_opcodes = 1;
+
+		/* Disable WRITE SAME if REPORT SUPPORTED OPERATION
+		 * CODES is unsupported and the device has an ATA
+		 * Information VPD page (SAT).
+		 */
+		if (!scsi_get_vpd_page(sdev, 0x89, buffer, SD_BUF_SIZE))
+			sdev->no_write_same = 1;
+	}
+
+	if (scsi_report_opcode(sdev, buffer, SD_BUF_SIZE, WRITE_SAME_16) == 1)
 		sdkp->ws16 = 1;
+
+	if (scsi_report_opcode(sdev, buffer, SD_BUF_SIZE, WRITE_SAME) == 1)
+		sdkp->ws10 = 1;
 }
 
 static int sd_try_extended_inquiry(struct scsi_device *sdp)
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 2386aeb4..7a049de2 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -84,6 +84,7 @@ struct scsi_disk {
 	unsigned	lbpws : 1;
 	unsigned	lbpws10 : 1;
 	unsigned	lbpvpd : 1;
+	unsigned	ws10 : 1;
 	unsigned	ws16 : 1;
 };
 #define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index 02f77d74..a7856bad 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -385,8 +385,11 @@ static int snd_line6_pcm_free(struct snd_device *device)
 */
 static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
 {
-	if (substream->runtime && snd_pcm_running(substream))
+	if (substream->runtime && snd_pcm_running(substream)) {
+		snd_pcm_stream_lock_irq(substream);
 		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
+		snd_pcm_stream_unlock_irq(substream);
+	}
 }
 
 /*
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index bd3ae324..71af7b5a 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -191,7 +191,8 @@ static void leak_balloon(struct virtio_balloon *vb, size_t num)
 	 * virtio_has_feature(vdev, VIRTIO_BALLOON_F_MUST_TELL_HOST);
 	 * is true, we *have* to do it in this order
 	 */
-	tell_host(vb, vb->deflate_vq);
+	if (vb->num_pfns != 0)
+		tell_host(vb, vb->deflate_vq);
 	mutex_unlock(&vb->balloon_lock);
 	release_pages_by_pfn(vb->pfns, vb->num_pfns);
 }
diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h
index 282e2702..a5d52eea 100644
--- a/include/linux/cpu_cooling.h
+++ b/include/linux/cpu_cooling.h
@@ -41,7 +41,7 @@ cpufreq_cooling_register(const struct cpumask *clip_cpus);
  */
 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
 
-unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int);
+unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq);
 #else /* !CONFIG_CPU_THERMAL */
 static inline struct thermal_cooling_device *
 cpufreq_cooling_register(const struct cpumask *clip_cpus)
@@ -54,7 +54,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
 	return;
 }
 static inline
-unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int)
+unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq)
 {
 	return THERMAL_CSTATE_INVALID;
 }
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 8d171f42..3d35b702 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -211,8 +211,8 @@ struct iio_chan_spec {
 static inline bool iio_channel_has_info(const struct iio_chan_spec *chan,
 	enum iio_chan_info_enum type)
 {
-	return (chan->info_mask_separate & type) |
-	       (chan->info_mask_shared_by_type & type);
+	return (chan->info_mask_separate & BIT(type)) |
+	       (chan->info_mask_shared_by_type & BIT(type));
 }
 
 #define IIO_ST(si, rb, sb, sh)						\
diff --git a/kernel/events/core.c b/kernel/events/core.c
index b391907d..e76e4959 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -761,8 +761,18 @@ perf_lock_task_context(struct task_struct *task, int ctxn, unsigned long *flags)
 {
 	struct perf_event_context *ctx;
 
-	rcu_read_lock();
 retry:
+	/*
+	 * One of the few rules of preemptible RCU is that one cannot do
+	 * rcu_read_unlock() while holding a scheduler (or nested) lock when
+	 * part of the read side critical section was preemptible -- see
+	 * rcu_read_unlock_special().
+	 *
+	 * Since ctx->lock nests under rq->lock we must ensure the entire read
+	 * side critical section is non-preemptible.
+	 */
+	preempt_disable();
+	rcu_read_lock();
 	ctx = rcu_dereference(task->perf_event_ctxp[ctxn]);
 	if (ctx) {
 		/*
@@ -778,6 +788,8 @@ retry:
 		raw_spin_lock_irqsave(&ctx->lock, *flags);
 		if (ctx != rcu_dereference(task->perf_event_ctxp[ctxn])) {
 			raw_spin_unlock_irqrestore(&ctx->lock, *flags);
+			rcu_read_unlock();
+			preempt_enable();
 			goto retry;
 		}
 
@@ -787,6 +799,7 @@ retry:
 		}
 	}
 	rcu_read_unlock();
+	preempt_enable();
 	return ctx;
 }
 
@@ -1761,7 +1774,16 @@ static int __perf_event_enable(void *info)
 	struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
 	int err;
 
-	if (WARN_ON_ONCE(!ctx->is_active))
+	/*
+	 * There's a time window between 'ctx->is_active' check
+	 * in perf_event_enable function and this place having:
+	 *   - IRQs on
+	 *   - ctx->lock unlocked
+	 *
+	 * where the task could be killed and 'ctx' deactivated
+	 * by perf_event_exit_task.
+	 */
+	if (!ctx->is_active)
 		return -EINVAL;
 
 	raw_spin_lock(&ctx->lock);
@@ -7228,7 +7250,7 @@ inherit_task_group(struct perf_event *event, struct task_struct *parent,
 		 * child.
 		 */
 
-		child_ctx = alloc_perf_context(event->pmu, child);
+		child_ctx = alloc_perf_context(parent_ctx->pmu, child);
 		if (!child_ctx)
 			return -ENOMEM;
 
diff --git a/kernel/printk.c b/kernel/printk.c
index 8212c1ae..d37d45c9 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1369,9 +1369,9 @@ static int console_trylock_for_printk(unsigned int cpu)
 		}
 	}
 	logbuf_cpu = UINT_MAX;
+	raw_spin_unlock(&logbuf_lock);
 	if (wake)
 		up(&console_sem);
-	raw_spin_unlock(&logbuf_lock);
 	return retval;
 }
 
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 20d6fba7..297b90b5 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -29,6 +29,7 @@
 
 static struct tick_device tick_broadcast_device;
 static cpumask_var_t tick_broadcast_mask;
+static cpumask_var_t tick_broadcast_on;
 static cpumask_var_t tmpmask;
 static DEFINE_RAW_SPINLOCK(tick_broadcast_lock);
 static int tick_broadcast_force;
@@ -123,8 +124,9 @@ static void tick_device_setup_broadcast_func(struct clock_event_device *dev)
  */
 int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
 {
+	struct clock_event_device *bc = tick_broadcast_device.evtdev;
 	unsigned long flags;
-	int ret = 0;
+	int ret;
 
 	raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
@@ -138,20 +140,59 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
 		dev->event_handler = tick_handle_periodic;
 		tick_device_setup_broadcast_func(dev);
 		cpumask_set_cpu(cpu, tick_broadcast_mask);
-		tick_broadcast_start_periodic(tick_broadcast_device.evtdev);
+		tick_broadcast_start_periodic(bc);
 		ret = 1;
 	} else {
 		/*
-		 * When the new device is not affected by the stop
-		 * feature and the cpu is marked in the broadcast mask
-		 * then clear the broadcast bit.
+		 * Clear the broadcast bit for this cpu if the
+		 * device is not power state affected.
 		 */
-		if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) {
-			int cpu = smp_processor_id();
+		if (!(dev->features & CLOCK_EVT_FEAT_C3STOP))
 			cpumask_clear_cpu(cpu, tick_broadcast_mask);
-			tick_broadcast_clear_oneshot(cpu);
-		} else {
+		else
 			tick_device_setup_broadcast_func(dev);
+
+		/*
+		 * Clear the broadcast bit if the CPU is not in
+		 * periodic broadcast on state.
+		 */
+		if (!cpumask_test_cpu(cpu, tick_broadcast_on))
+			cpumask_clear_cpu(cpu, tick_broadcast_mask);
+
+		switch (tick_broadcast_device.mode) {
+		case TICKDEV_MODE_ONESHOT:
+			/*
+			 * If the system is in oneshot mode we can
+			 * unconditionally clear the oneshot mask bit,
+			 * because the CPU is running and therefore
+			 * not in an idle state which causes the power
+			 * state affected device to stop. Let the
+			 * caller initialize the device.
+			 */
+			tick_broadcast_clear_oneshot(cpu);
+			ret = 0;
+			break;
+
+		case TICKDEV_MODE_PERIODIC:
+			/*
+			 * If the system is in periodic mode, check
+			 * whether the broadcast device can be
+			 * switched off now.
+			 */
+			if (cpumask_empty(tick_broadcast_mask) && bc)
+				clockevents_shutdown(bc);
+			/*
+			 * If we kept the cpu in the broadcast mask,
+			 * tell the caller to leave the per cpu device
+			 * in shutdown state. The periodic interrupt
+			 * is delivered by the broadcast device.
+			 */
+			ret = cpumask_test_cpu(cpu, tick_broadcast_mask);
+			break;
+		default:
+			/* Nothing to do */
+			ret = 0;
+			break;
 		}
 	}
 	raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
@@ -281,6 +322,7 @@ static void tick_do_broadcast_on_off(unsigned long *reason)
 	switch (*reason) {
 	case CLOCK_EVT_NOTIFY_BROADCAST_ON:
 	case CLOCK_EVT_NOTIFY_BROADCAST_FORCE:
+		cpumask_set_cpu(cpu, tick_broadcast_on);
 		if (!cpumask_test_and_set_cpu(cpu, tick_broadcast_mask)) {
 			if (tick_broadcast_device.mode ==
 			    TICKDEV_MODE_PERIODIC)
@@ -290,8 +332,12 @@ static void tick_do_broadcast_on_off(unsigned long *reason)
 			tick_broadcast_force = 1;
 		break;
 	case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
-		if (!tick_broadcast_force &&
-		    cpumask_test_and_clear_cpu(cpu, tick_broadcast_mask)) {
+		if (tick_broadcast_force)
+			break;
+		cpumask_clear_cpu(cpu, tick_broadcast_on);
+		if (!tick_device_is_functional(dev))
+			break;
+		if (cpumask_test_and_clear_cpu(cpu, tick_broadcast_mask)) {
 			if (tick_broadcast_device.mode ==
 			    TICKDEV_MODE_PERIODIC)
 				tick_setup_periodic(dev, 0);
@@ -349,6 +395,7 @@ void tick_shutdown_broadcast(unsigned int *cpup)
 
 	bc = tick_broadcast_device.evtdev;
 	cpumask_clear_cpu(cpu, tick_broadcast_mask);
+	cpumask_clear_cpu(cpu, tick_broadcast_on);
 
 	if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) {
 		if (bc && cpumask_empty(tick_broadcast_mask))
@@ -475,7 +522,15 @@ void tick_check_oneshot_broadcast(int cpu)
 	if (cpumask_test_cpu(cpu, tick_broadcast_oneshot_mask)) {
 		struct tick_device *td = &per_cpu(tick_cpu_device, cpu);
 
-		clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_ONESHOT);
+		/*
+		 * We might be in the middle of switching over from
+		 * periodic to oneshot. If the CPU has not yet
+		 * switched over, leave the device alone.
+		 */
+		if (td->mode == TICKDEV_MODE_ONESHOT) {
+			clockevents_set_mode(td->evtdev,
+					     CLOCK_EVT_MODE_ONESHOT);
+		}
 	}
 }
 
@@ -792,6 +847,7 @@ bool tick_broadcast_oneshot_available(void)
 void __init tick_broadcast_init(void)
 {
 	zalloc_cpumask_var(&tick_broadcast_mask, GFP_NOWAIT);
+	zalloc_cpumask_var(&tick_broadcast_on, GFP_NOWAIT);
 	zalloc_cpumask_var(&tmpmask, GFP_NOWAIT);
 #ifdef CONFIG_TICK_ONESHOT
 	zalloc_cpumask_var(&tick_broadcast_oneshot_mask, GFP_NOWAIT);
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 5d3fb100..7ce5e5a4 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -194,7 +194,8 @@ static void tick_setup_device(struct tick_device *td,
 	 * When global broadcasting is active, check if the current
 	 * device is registered as a placeholder for broadcast mode.
 	 * This allows us to handle this x86 misfeature in a generic
-	 * way.
+	 * way. This function also returns !=0 when we keep the
+	 * current active broadcast state for this CPU.
 	 */
 	if (tick_device_uses_broadcast(newdev, cpu))
 		return;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e71a8be4..0b936d80 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -193,6 +193,37 @@ static struct trace_array	global_trace;
 
 LIST_HEAD(ftrace_trace_arrays);
 
+int trace_array_get(struct trace_array *this_tr)
+{
+	struct trace_array *tr;
+	int ret = -ENODEV;
+
+	mutex_lock(&trace_types_lock);
+	list_for_each_entry(tr, &ftrace_trace_arrays, list) {
+		if (tr == this_tr) {
+			tr->ref++;
+			ret = 0;
+			break;
+		}
+	}
+	mutex_unlock(&trace_types_lock);
+
+	return ret;
+}
+
+static void __trace_array_put(struct trace_array *this_tr)
+{
+	WARN_ON(!this_tr->ref);
+	this_tr->ref--;
+}
+
+void trace_array_put(struct trace_array *this_tr)
+{
+	mutex_lock(&trace_types_lock);
+	__trace_array_put(this_tr);
+	mutex_unlock(&trace_types_lock);
+}
+
 int filter_current_check_discard(struct ring_buffer *buffer,
 				 struct ftrace_event_call *call, void *rec,
 				 struct ring_buffer_event *event)
@@ -240,7 +271,7 @@ static struct tracer		*trace_types __read_mostly;
 /*
  * trace_types_lock is used to protect the trace_types list.
  */
-static DEFINE_MUTEX(trace_types_lock);
+DEFINE_MUTEX(trace_types_lock);
 
 /*
  * serialize the access of the ring buffer
@@ -2768,10 +2799,9 @@ static const struct seq_operations tracer_seq_ops = {
 };
 
 static struct trace_iterator *
-__tracing_open(struct inode *inode, struct file *file, bool snapshot)
+__tracing_open(struct trace_array *tr, struct trace_cpu *tc,
+	       struct inode *inode, struct file *file, bool snapshot)
 {
-	struct trace_cpu *tc = inode->i_private;
-	struct trace_array *tr = tc->tr;
 	struct trace_iterator *iter;
 	int cpu;
 
@@ -2850,8 +2880,6 @@ __tracing_open(struct inode *inode, struct file *file, bool snapshot)
 		tracing_iter_reset(iter, cpu);
 	}
 
-	tr->ref++;
-
 	mutex_unlock(&trace_types_lock);
 
 	return iter;
@@ -2874,6 +2902,43 @@ int tracing_open_generic(struct inode *inode, struct file *filp)
 	return 0;
 }
 
+/*
+ * Open and update trace_array ref count.
+ * Must have the current trace_array passed to it.
+ */
+int tracing_open_generic_tr(struct inode *inode, struct file *filp)
+{
+	struct trace_array *tr = inode->i_private;
+
+	if (tracing_disabled)
+		return -ENODEV;
+
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
+	filp->private_data = inode->i_private;
+
+	return 0;
+
+}
+
+int tracing_open_generic_tc(struct inode *inode, struct file *filp)
+{
+	struct trace_cpu *tc = inode->i_private;
+	struct trace_array *tr = tc->tr;
+
+	if (tracing_disabled)
+		return -ENODEV;
+
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
+	filp->private_data = inode->i_private;
+
+	return 0;
+
+}
+
 static int tracing_release(struct inode *inode, struct file *file)
 {
 	struct seq_file *m = file->private_data;
@@ -2881,17 +2946,20 @@ static int tracing_release(struct inode *inode, struct file *file)
 	struct trace_array *tr;
 	int cpu;
 
-	if (!(file->f_mode & FMODE_READ))
+	/* Writes do not use seq_file, need to grab tr from inode */
+	if (!(file->f_mode & FMODE_READ)) {
+		struct trace_cpu *tc = inode->i_private;
+
+		trace_array_put(tc->tr);
 		return 0;
+	}
 
 	iter = m->private;
 	tr = iter->tr;
+	trace_array_put(tr);
 
 	mutex_lock(&trace_types_lock);
 
-	WARN_ON(!tr->ref);
-	tr->ref--;
-
 	for_each_tracing_cpu(cpu) {
 		if (iter->buffer_iter[cpu])
 			ring_buffer_read_finish(iter->buffer_iter[cpu]);
@@ -2910,20 +2978,49 @@ static int tracing_release(struct inode *inode, struct file *file)
 	kfree(iter->trace);
 	kfree(iter->buffer_iter);
 	seq_release_private(inode, file);
+
+	return 0;
+}
+
+static int tracing_release_generic_tr(struct inode *inode, struct file *file)
+{
+	struct trace_array *tr = inode->i_private;
+
+	trace_array_put(tr);
 	return 0;
 }
 
+static int tracing_release_generic_tc(struct inode *inode, struct file *file)
+{
+	struct trace_cpu *tc = inode->i_private;
+	struct trace_array *tr = tc->tr;
+
+	trace_array_put(tr);
+	return 0;
+}
+
+static int tracing_single_release_tr(struct inode *inode, struct file *file)
+{
+	struct trace_array *tr = inode->i_private;
+
+	trace_array_put(tr);
+
+	return single_release(inode, file);
+}
+
 static int tracing_open(struct inode *inode, struct file *file)
 {
+	struct trace_cpu *tc = inode->i_private;
+	struct trace_array *tr = tc->tr;
 	struct trace_iterator *iter;
 	int ret = 0;
 
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
 	/* If this file was open for write, then erase contents */
 	if ((file->f_mode & FMODE_WRITE) &&
 	    (file->f_flags & O_TRUNC)) {
-		struct trace_cpu *tc = inode->i_private;
-		struct trace_array *tr = tc->tr;
-
 		if (tc->cpu == RING_BUFFER_ALL_CPUS)
 			tracing_reset_online_cpus(&tr->trace_buffer);
 		else
@@ -2931,12 +3028,16 @@ static int tracing_open(struct inode *inode, struct file *file)
 	}
 
 	if (file->f_mode & FMODE_READ) {
-		iter = __tracing_open(inode, file, false);
+		iter = __tracing_open(tr, tc, inode, file, false);
 		if (IS_ERR(iter))
 			ret = PTR_ERR(iter);
 		else if (trace_flags & TRACE_ITER_LATENCY_FMT)
 			iter->iter_flags |= TRACE_FILE_LAT_FMT;
 	}
+
+	if (ret < 0)
+		trace_array_put(tr);
+
 	return ret;
 }
 
@@ -3293,9 +3394,14 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf,
 
 static int tracing_trace_options_open(struct inode *inode, struct file *file)
 {
+	struct trace_array *tr = inode->i_private;
+
 	if (tracing_disabled)
 		return -ENODEV;
 
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
 	return single_open(file, tracing_trace_options_show, inode->i_private);
 }
 
@@ -3303,7 +3409,7 @@ static const struct file_operations tracing_iter_fops = {
 	.open		= tracing_trace_options_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= single_release,
+	.release	= tracing_single_release_tr,
 	.write		= tracing_trace_options_write,
 };
 
@@ -3791,6 +3897,9 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp)
 	if (tracing_disabled)
 		return -ENODEV;
 
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
 	mutex_lock(&trace_types_lock);
 
 	/* create a buffer to store the information to pass to userspace */
@@ -3843,6 +3952,7 @@ out:
 fail:
 	kfree(iter->trace);
 	kfree(iter);
+	__trace_array_put(tr);
 	mutex_unlock(&trace_types_lock);
 	return ret;
 }
@@ -3850,6 +3960,8 @@ fail:
 static int tracing_release_pipe(struct inode *inode, struct file *file)
 {
 	struct trace_iterator *iter = file->private_data;
+	struct trace_cpu *tc = inode->i_private;
+	struct trace_array *tr = tc->tr;
 
 	mutex_lock(&trace_types_lock);
 
@@ -3863,6 +3975,8 @@ static int tracing_release_pipe(struct inode *inode, struct file *file)
 	kfree(iter->trace);
 	kfree(iter);
 
+	trace_array_put(tr);
+
 	return 0;
 }
 
@@ -4320,6 +4434,8 @@ tracing_free_buffer_release(struct inode *inode, struct file *filp)
 	/* resize the ring buffer to 0 */
 	tracing_resize_ring_buffer(tr, 0, RING_BUFFER_ALL_CPUS);
 
+	trace_array_put(tr);
+
 	return 0;
 }
 
@@ -4328,6 +4444,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf,
 					size_t cnt, loff_t *fpos)
 {
 	unsigned long addr = (unsigned long)ubuf;
+	struct trace_array *tr = filp->private_data;
 	struct ring_buffer_event *event;
 	struct ring_buffer *buffer;
 	struct print_entry *entry;
@@ -4387,7 +4504,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf,
 
 	local_save_flags(irq_flags);
 	size = sizeof(*entry) + cnt + 2; /* possible \n added */
-	buffer = global_trace.trace_buffer.buffer;
+	buffer = tr->trace_buffer.buffer;
 	event = trace_buffer_lock_reserve(buffer, TRACE_PRINT, size,
 					  irq_flags, preempt_count());
 	if (!event) {
@@ -4495,10 +4612,20 @@ static ssize_t tracing_clock_write(struct file *filp, const char __user *ubuf,
 
 static int tracing_clock_open(struct inode *inode, struct file *file)
 {
+	struct trace_array *tr = inode->i_private;
+	int ret;
+
 	if (tracing_disabled)
 		return -ENODEV;
 
-	return single_open(file, tracing_clock_show, inode->i_private);
+	if (trace_array_get(tr))
+		return -ENODEV;
+
+	ret = single_open(file, tracing_clock_show, inode->i_private);
+	if (ret < 0)
+		trace_array_put(tr);
+
+	return ret;
 }
 
 struct ftrace_buffer_info {
@@ -4511,12 +4638,16 @@ struct ftrace_buffer_info {
 static int tracing_snapshot_open(struct inode *inode, struct file *file)
 {
 	struct trace_cpu *tc = inode->i_private;
+	struct trace_array *tr = tc->tr;
 	struct trace_iterator *iter;
 	struct seq_file *m;
 	int ret = 0;
 
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
 	if (file->f_mode & FMODE_READ) {
-		iter = __tracing_open(inode, file, true);
+		iter = __tracing_open(tr, tc, inode, file, true);
 		if (IS_ERR(iter))
 			ret = PTR_ERR(iter);
 	} else {
@@ -4529,13 +4660,16 @@ static int tracing_snapshot_open(struct inode *inode, struct file *file)
 			kfree(m);
 			return -ENOMEM;
 		}
-		iter->tr = tc->tr;
+		iter->tr = tr;
 		iter->trace_buffer = &tc->tr->max_buffer;
 		iter->cpu_file = tc->cpu;
 		m->private = iter;
 		file->private_data = m;
 	}
 
+	if (ret < 0)
+		trace_array_put(tr);
+
 	return ret;
 }
 
@@ -4616,9 +4750,12 @@ out:
 static int tracing_snapshot_release(struct inode *inode, struct file *file)
 {
 	struct seq_file *m = file->private_data;
+	int ret;
+
+	ret = tracing_release(inode, file);
 
 	if (file->f_mode & FMODE_READ)
-		return tracing_release(inode, file);
+		return ret;
 
 	/* If write only, the seq_file is just a stub */
 	if (m)
@@ -4684,34 +4821,38 @@ static const struct file_operations tracing_pipe_fops = {
 };
 
 static const struct file_operations tracing_entries_fops = {
-	.open		= tracing_open_generic,
+	.open		= tracing_open_generic_tc,
 	.read		= tracing_entries_read,
 	.write		= tracing_entries_write,
 	.llseek		= generic_file_llseek,
+	.release	= tracing_release_generic_tc,
 };
 
 static const struct file_operations tracing_total_entries_fops = {
-	.open		= tracing_open_generic,
+	.open		= tracing_open_generic_tr,
 	.read		= tracing_total_entries_read,
 	.llseek		= generic_file_llseek,
+	.release	= tracing_release_generic_tr,
 };
 
 static const struct file_operations tracing_free_buffer_fops = {
+	.open		= tracing_open_generic_tr,
 	.write		= tracing_free_buffer_write,
 	.release	= tracing_free_buffer_release,
 };
 
 static const struct file_operations tracing_mark_fops = {
-	.open		= tracing_open_generic,
+	.open		= tracing_open_generic_tr,
 	.write		= tracing_mark_write,
 	.llseek		= generic_file_llseek,
+	.release	= tracing_release_generic_tr,
 };
 
 static const struct file_operations trace_clock_fops = {
 	.open		= tracing_clock_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= single_release,
+	.release	= tracing_single_release_tr,
 	.write		= tracing_clock_write,
 };
 
@@ -4739,13 +4880,19 @@ static int tracing_buffers_open(struct inode *inode, struct file *filp)
 	struct trace_cpu *tc = inode->i_private;
 	struct trace_array *tr = tc->tr;
 	struct ftrace_buffer_info *info;
+	int ret;
 
 	if (tracing_disabled)
 		return -ENODEV;
 
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
-	if (!info)
+	if (!info) {
+		trace_array_put(tr);
 		return -ENOMEM;
+	}
 
 	mutex_lock(&trace_types_lock);
 
@@ -4763,7 +4910,11 @@ static int tracing_buffers_open(struct inode *inode, struct file *filp)
 
 	mutex_unlock(&trace_types_lock);
 
-	return nonseekable_open(inode, filp);
+	ret = nonseekable_open(inode, filp);
+	if (ret < 0)
+		trace_array_put(tr);
+
+	return ret;
 }
 
 static unsigned int
@@ -4863,8 +5014,7 @@ static int tracing_buffers_release(struct inode *inode, struct file *file)
 
 	mutex_lock(&trace_types_lock);
 
-	WARN_ON(!iter->tr->ref);
-	iter->tr->ref--;
+	__trace_array_put(iter->tr);
 
 	if (info->spare)
 		ring_buffer_free_read_page(iter->trace_buffer->buffer, info->spare);
@@ -5659,9 +5809,10 @@ rb_simple_write(struct file *filp, const char __user *ubuf,
 }
 
 static const struct file_operations rb_simple_fops = {
-	.open		= tracing_open_generic,
+	.open		= tracing_open_generic_tr,
 	.read		= rb_simple_read,
 	.write		= rb_simple_write,
+	.release	= tracing_release_generic_tr,
 	.llseek		= default_llseek,
 };
 
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 20572ed8..51b44483 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -224,6 +224,11 @@ enum {
 
 extern struct list_head ftrace_trace_arrays;
 
+extern struct mutex trace_types_lock;
+
+extern int trace_array_get(struct trace_array *tr);
+extern void trace_array_put(struct trace_array *tr);
+
 /*
  * The global tracer (top) should be the first trace array added,
  * but we check the flag anyway.
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 27963e2b..6dfd48b5 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -41,6 +41,23 @@ static LIST_HEAD(ftrace_common_fields);
 static struct kmem_cache *field_cachep;
 static struct kmem_cache *file_cachep;
 
+#define SYSTEM_FL_FREE_NAME		(1 << 31)
+
+static inline int system_refcount(struct event_subsystem *system)
+{
+	return system->ref_count & ~SYSTEM_FL_FREE_NAME;
+}
+
+static int system_refcount_inc(struct event_subsystem *system)
+{
+	return (system->ref_count++) & ~SYSTEM_FL_FREE_NAME;
+}
+
+static int system_refcount_dec(struct event_subsystem *system)
+{
+	return (--system->ref_count) & ~SYSTEM_FL_FREE_NAME;
+}
+
 /* Double loops, do not use break, only goto's work */
 #define do_for_each_event_file(tr, file)			\
 	list_for_each_entry(tr, &ftrace_trace_arrays, list) {	\
@@ -349,8 +366,8 @@ static void __put_system(struct event_subsystem *system)
 {
 	struct event_filter *filter = system->filter;
 
-	WARN_ON_ONCE(system->ref_count == 0);
-	if (--system->ref_count)
+	WARN_ON_ONCE(system_refcount(system) == 0);
+	if (system_refcount_dec(system))
 		return;
 
 	list_del(&system->list);
@@ -359,13 +376,15 @@ static void __put_system(struct event_subsystem *system)
 		kfree(filter->filter_string);
 		kfree(filter);
 	}
+	if (system->ref_count & SYSTEM_FL_FREE_NAME)
+		kfree(system->name);
 	kfree(system);
 }
 
 static void __get_system(struct event_subsystem *system)
 {
-	WARN_ON_ONCE(system->ref_count == 0);
-	system->ref_count++;
+	WARN_ON_ONCE(system_refcount(system) == 0);
+	system_refcount_inc(system);
 }
 
 static void __get_system_dir(struct ftrace_subsystem_dir *dir)
@@ -379,7 +398,7 @@ static void __put_system_dir(struct ftrace_subsystem_dir *dir)
 {
 	WARN_ON_ONCE(dir->ref_count == 0);
 	/* If the subsystem is about to be freed, the dir must be too */
-	WARN_ON_ONCE(dir->subsystem->ref_count == 1 && dir->ref_count != 1);
+	WARN_ON_ONCE(system_refcount(dir->subsystem) == 1 && dir->ref_count != 1);
 
 	__put_system(dir->subsystem);
 	if (!--dir->ref_count)
@@ -394,16 +413,45 @@ static void put_system(struct ftrace_subsystem_dir *dir)
 }
 
 /*
+ * Open and update trace_array ref count.
+ * Must have the current trace_array passed to it.
+ */
+static int tracing_open_generic_file(struct inode *inode, struct file *filp)
+{
+	struct ftrace_event_file *file = inode->i_private;
+	struct trace_array *tr = file->tr;
+	int ret;
+
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
+	ret = tracing_open_generic(inode, filp);
+	if (ret < 0)
+		trace_array_put(tr);
+	return ret;
+}
+
+static int tracing_release_generic_file(struct inode *inode, struct file *filp)
+{
+	struct ftrace_event_file *file = inode->i_private;
+	struct trace_array *tr = file->tr;
+
+	trace_array_put(tr);
+
+	return 0;
+}
+
+/*
  * __ftrace_set_clr_event(NULL, NULL, NULL, set) will set/unset all events.
  */
-static int __ftrace_set_clr_event(struct trace_array *tr, const char *match,
-				  const char *sub, const char *event, int set)
+static int
+__ftrace_set_clr_event_nolock(struct trace_array *tr, const char *match,
+			      const char *sub, const char *event, int set)
 {
 	struct ftrace_event_file *file;
 	struct ftrace_event_call *call;
 	int ret = -EINVAL;
 
-	mutex_lock(&event_mutex);
 	list_for_each_entry(file, &tr->events, list) {
 
 		call = file->event_call;
@@ -429,6 +477,17 @@ static int __ftrace_set_clr_event(struct trace_array *tr, const char *match,
 
 		ret = 0;
 	}
+
+	return ret;
+}
+
+static int __ftrace_set_clr_event(struct trace_array *tr, const char *match,
+				  const char *sub, const char *event, int set)
+{
+	int ret;
+
+	mutex_lock(&event_mutex);
+	ret = __ftrace_set_clr_event_nolock(tr, match, sub, event, set);
 	mutex_unlock(&event_mutex);
 
 	return ret;
@@ -992,6 +1051,7 @@ static int subsystem_open(struct inode *inode, struct file *filp)
 	int ret;
 
 	/* Make sure the system still exists */
+	mutex_lock(&trace_types_lock);
 	mutex_lock(&event_mutex);
 	list_for_each_entry(tr, &ftrace_trace_arrays, list) {
 		list_for_each_entry(dir, &tr->systems, list) {
@@ -1007,6 +1067,7 @@ static int subsystem_open(struct inode *inode, struct file *filp)
 	}
  exit_loop:
 	mutex_unlock(&event_mutex);
+	mutex_unlock(&trace_types_lock);
 
 	if (!system)
 		return -ENODEV;
@@ -1014,9 +1075,17 @@ static int subsystem_open(struct inode *inode, struct file *filp)
 	/* Some versions of gcc think dir can be uninitialized here */
 	WARN_ON(!dir);
 
+	/* Still need to increment the ref count of the system */
+	if (trace_array_get(tr) < 0) {
+		put_system(dir);
+		return -ENODEV;
+	}
+
 	ret = tracing_open_generic(inode, filp);
-	if (ret < 0)
+	if (ret < 0) {
+		trace_array_put(tr);
 		put_system(dir);
+	}
 
 	return ret;
 }
@@ -1027,16 +1096,23 @@ static int system_tr_open(struct inode *inode, struct file *filp)
 	struct trace_array *tr = inode->i_private;
 	int ret;
 
+	if (trace_array_get(tr) < 0)
+		return -ENODEV;
+
 	/* Make a temporary dir that has no system but points to tr */
 	dir = kzalloc(sizeof(*dir), GFP_KERNEL);
-	if (!dir)
+	if (!dir) {
+		trace_array_put(tr);
 		return -ENOMEM;
+	}
 
 	dir->tr = tr;
 
 	ret = tracing_open_generic(inode, filp);
-	if (ret < 0)
+	if (ret < 0) {
+		trace_array_put(tr);
 		kfree(dir);
+	}
 
 	filp->private_data = dir;
 
@@ -1047,6 +1123,8 @@ static int subsystem_release(struct inode *inode, struct file *file)
 {
 	struct ftrace_subsystem_dir *dir = file->private_data;
 
+	trace_array_put(dir->tr);
+
 	/*
 	 * If dir->subsystem is NULL, then this is a temporary
 	 * descriptor that was made for a trace_array to enable
@@ -1174,9 +1252,10 @@ static const struct file_operations ftrace_set_event_fops = {
 };
 
 static const struct file_operations ftrace_enable_fops = {
-	.open = tracing_open_generic,
+	.open = tracing_open_generic_file,
 	.read = event_enable_read,
 	.write = event_enable_write,
+	.release = tracing_release_generic_file,
 	.llseek = default_llseek,
 };
 
@@ -1279,7 +1358,15 @@ create_new_subsystem(const char *name)
 		return NULL;
 
 	system->ref_count = 1;
-	system->name = name;
+
+	/* Only allocate if dynamic (kprobes and modules) */
+	if (!core_kernel_data((unsigned long)name)) {
+		system->ref_count |= SYSTEM_FL_FREE_NAME;
+		system->name = kstrdup(name, GFP_KERNEL);
+		if (!system->name)
+			goto out_free;
+	} else
+		system->name = name;
 
 	system->filter = NULL;
 
@@ -1292,6 +1379,8 @@ create_new_subsystem(const char *name)
 	return system;
 
  out_free:
+	if (system->ref_count & SYSTEM_FL_FREE_NAME)
+		kfree(system->name);
 	kfree(system);
 	return NULL;
 }
@@ -1591,6 +1680,7 @@ static void __add_event_to_tracers(struct ftrace_event_call *call,
 int trace_add_event_call(struct ftrace_event_call *call)
 {
 	int ret;
+	mutex_lock(&trace_types_lock);
 	mutex_lock(&event_mutex);
 
 	ret = __register_event(call, NULL);
@@ -1598,11 +1688,13 @@ int trace_add_event_call(struct ftrace_event_call *call)
 		__add_event_to_tracers(call, NULL);
 
 	mutex_unlock(&event_mutex);
+	mutex_unlock(&trace_types_lock);
 	return ret;
 }
 
 /*
- * Must be called under locking both of event_mutex and trace_event_sem.
+ * Must be called under locking of trace_types_lock, event_mutex and
+ * trace_event_sem.
  */
 static void __trace_remove_event_call(struct ftrace_event_call *call)
 {
@@ -1614,11 +1706,13 @@ static void __trace_remove_event_call(struct ftrace_event_call *call)
 /* Remove an event_call */
 void trace_remove_event_call(struct ftrace_event_call *call)
 {
+	mutex_lock(&trace_types_lock);
 	mutex_lock(&event_mutex);
 	down_write(&trace_event_sem);
 	__trace_remove_event_call(call);
 	up_write(&trace_event_sem);
 	mutex_unlock(&event_mutex);
+	mutex_unlock(&trace_types_lock);
 }
 
 #define for_each_event(event, start, end)			\
@@ -1762,6 +1856,7 @@ static int trace_module_notify(struct notifier_block *self,
 {
 	struct module *mod = data;
 
+	mutex_lock(&trace_types_lock);
 	mutex_lock(&event_mutex);
 	switch (val) {
 	case MODULE_STATE_COMING:
@@ -1772,6 +1867,7 @@ static int trace_module_notify(struct notifier_block *self,
 		break;
 	}
 	mutex_unlock(&event_mutex);
+	mutex_unlock(&trace_types_lock);
 
 	return 0;
 }
@@ -2329,11 +2425,11 @@ early_event_add_tracer(struct dentry *parent, struct trace_array *tr)
 
 int event_trace_del_tracer(struct trace_array *tr)
 {
-	/* Disable any running events */
-	__ftrace_set_clr_event(tr, NULL, NULL, NULL, 0);
-
 	mutex_lock(&event_mutex);
 
+	/* Disable any running events */
+	__ftrace_set_clr_event_nolock(tr, NULL, NULL, NULL, 0);
+
 	down_write(&trace_event_sem);
 	__trace_remove_event_dirs(tr);
 	debugfs_remove_recursive(tr->event_dir);
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 8f2ac73c..322e1646 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -306,6 +306,8 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 	struct syscall_metadata *sys_data;
 	struct ring_buffer_event *event;
 	struct ring_buffer *buffer;
+	unsigned long irq_flags;
+	int pc;
 	int syscall_nr;
 	int size;
 
@@ -321,9 +323,12 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 
 	size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
 
+	local_save_flags(irq_flags);
+	pc = preempt_count();
+
 	buffer = tr->trace_buffer.buffer;
 	event = trace_buffer_lock_reserve(buffer,
-			sys_data->enter_event->event.type, size, 0, 0);
+			sys_data->enter_event->event.type, size, irq_flags, pc);
 	if (!event)
 		return;
 
@@ -333,7 +338,8 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 
 	if (!filter_current_check_discard(buffer, sys_data->enter_event,
 					  entry, event))
-		trace_current_buffer_unlock_commit(buffer, event, 0, 0);
+		trace_current_buffer_unlock_commit(buffer, event,
+						   irq_flags, pc);
 }
 
 static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
@@ -343,6 +349,8 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	struct syscall_metadata *sys_data;
 	struct ring_buffer_event *event;
 	struct ring_buffer *buffer;
+	unsigned long irq_flags;
+	int pc;
 	int syscall_nr;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);
@@ -355,9 +363,13 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	if (!sys_data)
 		return;
 
+	local_save_flags(irq_flags);
+	pc = preempt_count();
+
 	buffer = tr->trace_buffer.buffer;
 	event = trace_buffer_lock_reserve(buffer,
-			sys_data->exit_event->event.type, sizeof(*entry), 0, 0);
+			sys_data->exit_event->event.type, sizeof(*entry),
+			irq_flags, pc);
 	if (!event)
 		return;
 
@@ -367,7 +379,8 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 
 	if (!filter_current_check_discard(buffer, sys_data->exit_event,
 					  entry, event))
-		trace_current_buffer_unlock_commit(buffer, event, 0, 0);
+		trace_current_buffer_unlock_commit(buffer, event,
+						   irq_flags, pc);
 }
 
 static int reg_event_syscall_enter(struct ftrace_event_file *file,
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 32494fb0..d5d0cd36 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -283,8 +283,10 @@ static int create_trace_uprobe(int argc, char **argv)
 		return -EINVAL;
 	}
 	arg = strchr(argv[1], ':');
-	if (!arg)
+	if (!arg) {
+		ret = -EINVAL;
 		goto fail_address_parse;
+	}
 
 	*arg++ = '\0';
 	filename = argv[1];
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 98d20c0f..514e90f4 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1726,6 +1726,15 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
 		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 			dev_close(sdata->dev);
 
+	/*
+	 * Close all AP_VLAN interfaces first, as otherwise they
+	 * might be closed while the AP interface they belong to
+	 * is closed, causing unregister_netdevice_many() to crash.
+	 */
+	list_for_each_entry(sdata, &local->interfaces, list)
+		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+			dev_close(sdata->dev);
+
 	mutex_lock(&local->iflist_mtx);
 	list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
 		list_del(&sdata->list);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 06bdf5a1..1583c8a4 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -493,8 +493,6 @@ static int unix_gid_parse(struct cache_detail *cd,
 	if (rv)
 		return -EINVAL;
 	uid = make_kuid(&init_user_ns, id);
-	if (!uid_valid(uid))
-		return -EINVAL;
 	ug.uid = uid;
 
 	expiry = get_expiry(&mesg);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 0f679df7..305374d4 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -917,7 +917,10 @@ static void svc_tcp_clear_pages(struct svc_sock *svsk)
 	len = svsk->sk_datalen;
 	npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
 	for (i = 0; i < npages; i++) {
-		BUG_ON(svsk->sk_pages[i] == NULL);
+		if (svsk->sk_pages[i] == NULL) {
+			WARN_ON_ONCE(1);
+			continue;
+		}
 		put_page(svsk->sk_pages[i]);
 		svsk->sk_pages[i] = NULL;
 	}
@@ -1092,8 +1095,10 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
 		goto err_noclose;
 	}
 
-	if (svc_sock_reclen(svsk) < 8)
+	if (svsk->sk_datalen < 8) {
+		svsk->sk_datalen = 0;
 		goto err_delete; /* client is nuts. */
+	}
 
 	rqstp->rq_arg.len = svsk->sk_datalen;
 	rqstp->rq_arg.page_base = 0;
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 76e0d569..823359ed 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -166,7 +166,9 @@ void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
 	} else {
 		printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
 			rtd->params->name, dma_ch, dcsr);
+		snd_pcm_stream_lock(substream);
 		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stream_unlock(substream);
 	}
 }
 EXPORT_SYMBOL(pxa2xx_pcm_dma_irq);
diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c
index e3cb46fe..b3f39b5e 100644
--- a/sound/core/seq/oss/seq_oss_init.c
+++ b/sound/core/seq/oss/seq_oss_init.c
@@ -31,6 +31,7 @@
 #include <linux/export.h>
 #include <linux/moduleparam.h>
 #include <linux/slab.h>
+#include <linux/workqueue.h>
 
 /*
  * common variables
@@ -60,6 +61,14 @@ static void free_devinfo(void *private);
 #define call_ctl(type,rec) snd_seq_kernel_client_ctl(system_client, type, rec)
 
 
+/* call snd_seq_oss_midi_lookup_ports() asynchronously */
+static void async_call_lookup_ports(struct work_struct *work)
+{
+	snd_seq_oss_midi_lookup_ports(system_client);
+}
+
+static DECLARE_WORK(async_lookup_work, async_call_lookup_ports);
+
 /*
  * create sequencer client for OSS sequencer
  */
@@ -85,9 +94,6 @@ snd_seq_oss_create_client(void)
 	system_client = rc;
 	debug_printk(("new client = %d\n", rc));
 
-	/* look up midi devices */
-	snd_seq_oss_midi_lookup_ports(system_client);
-
 	/* create annoucement receiver port */
 	memset(port, 0, sizeof(*port));
 	strcpy(port->name, "Receiver");
@@ -115,6 +121,9 @@ snd_seq_oss_create_client(void)
 	}
 	rc = 0;
 
+	/* look up midi devices */
+	schedule_work(&async_lookup_work);
+
  __error:
 	kfree(port);
 	return rc;
@@ -160,6 +169,7 @@ receive_announce(struct snd_seq_event *ev, int direct, void *private, int atomic
 int
 snd_seq_oss_delete_client(void)
 {
+	cancel_work_sync(&async_lookup_work);
 	if (system_client >= 0)
 		snd_seq_delete_kernel_client(system_client);
 
diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
index 677dc845..862d8489 100644
--- a/sound/core/seq/oss/seq_oss_midi.c
+++ b/sound/core/seq/oss/seq_oss_midi.c
@@ -72,7 +72,7 @@ static int send_midi_event(struct seq_oss_devinfo *dp, struct snd_seq_event *ev,
  * look up the existing ports
  * this looks a very exhausting job.
  */
-int __init
+int
 snd_seq_oss_midi_lookup_ports(int client)
 {
 	struct snd_seq_client_info *clinfo;
diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c
index fbc17203..a471d821 100644
--- a/sound/pci/asihpi/asihpi.c
+++ b/sound/pci/asihpi/asihpi.c
@@ -769,7 +769,10 @@ static void snd_card_asihpi_timer_function(unsigned long data)
 						s->number);
 				ds->drained_count++;
 				if (ds->drained_count > 20) {
+					unsigned long flags;
+					snd_pcm_stream_lock_irqsave(s, flags);
 					snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
+					snd_pcm_stream_unlock_irqrestore(s, flags);
 					continue;
 				}
 			} else {
diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index 6e78c678..819430ac 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -689,7 +689,9 @@ static void snd_atiixp_xrun_dma(struct atiixp *chip, struct atiixp_dma *dma)
 	if (! dma->substream || ! dma->running)
 		return;
 	snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type);
+	snd_pcm_stream_lock(dma->substream);
 	snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
+	snd_pcm_stream_unlock(dma->substream);
 }
 
 /*
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index d0bec7ba..57f41820 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -638,7 +638,9 @@ static void snd_atiixp_xrun_dma(struct atiixp_modem *chip,
 	if (! dma->substream || ! dma->running)
 		return;
 	snd_printdd("atiixp-modem: XRUN detected (DMA %d)\n", dma->ops->type);
+	snd_pcm_stream_lock(dma->substream);
 	snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
+	snd_pcm_stream_unlock(dma->substream);
 }
 
 /*
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 4b1524a8..24400cff 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -840,7 +840,7 @@ static int add_control_with_pfx(struct hda_gen_spec *spec, int type,
 				const char *pfx, const char *dir,
 				const char *sfx, int cidx, unsigned long val)
 {
-	char name[32];
+	char name[44];
 	snprintf(name, sizeof(name), "%s %s %s", pfx, dir, sfx);
 	if (!add_control(spec, type, name, cidx, val))
 		return -ENOMEM;
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index e0bf7534..2e7493ef 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -562,6 +562,14 @@ static inline unsigned int get_wcaps_channels(u32 wcaps)
 	return chans;
 }
 
+static inline void snd_hda_override_wcaps(struct hda_codec *codec,
+					  hda_nid_t nid, u32 val)
+{
+	if (nid >= codec->start_nid &&
+	    nid < codec->start_nid + codec->num_nodes)
+		codec->wcaps[nid - codec->start_nid] = val;
+}
+
 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 			      unsigned int caps);
@@ -667,7 +675,7 @@ snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
 	if (state & AC_PWRST_ERROR)
 		return true;
 	state = (state >> 4) & 0x0f;
-	return (state != target_state);
+	return (state == target_state);
 }
 
 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 977b0d87..d97f0d61 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -2112,6 +2112,9 @@ static void ad_vmaster_eapd_hook(void *private_data, int enabled)
 {
 	struct hda_codec *codec = private_data;
 	struct ad198x_spec *spec = codec->spec;
+
+	if (!spec->eapd_nid)
+		return;
 	snd_hda_codec_update_cache(codec, spec->eapd_nid, 0,
 				   AC_VERB_SET_EAPD_BTLENABLE,
 				   enabled ? 0x02 : 0x00);
@@ -3601,13 +3604,16 @@ static void ad1884_fixup_hp_eapd(struct hda_codec *codec,
 {
 	struct ad198x_spec *spec = codec->spec;
 
-	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+	switch (action) {
+	case HDA_FIXUP_ACT_PRE_PROBE:
+		spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
+		break;
+	case HDA_FIXUP_ACT_PROBE:
 		if (spec->gen.autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT)
 			spec->eapd_nid = spec->gen.autocfg.line_out_pins[0];
 		else
 			spec->eapd_nid = spec->gen.autocfg.speaker_pins[0];
-		if (spec->eapd_nid)
-			spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
+		break;
 	}
 }
 
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index e12f7a03..496d7f21 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1146,7 +1146,7 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 	per_cvt->assigned = 1;
 	hinfo->nid = per_cvt->cvt_nid;
 
-	snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+	snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
 			    AC_VERB_SET_CONNECT_SEL,
 			    mux_idx);
 	snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
@@ -2536,6 +2536,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",	.patch = patch_generic_hdmi },
 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",	.patch = patch_generic_hdmi },
 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",	.patch = patch_generic_hdmi },
+{ .id = 0x10de0060, .name = "GPU 60 HDMI/DP",	.patch = patch_generic_hdmi },
 { .id = 0x10de0067, .name = "MCP67 HDMI",	.patch = patch_nvhdmi_2ch },
 { .id = 0x10de8001, .name = "MCP73 HDMI",	.patch = patch_nvhdmi_2ch },
 { .id = 0x11069f80, .name = "VX900 HDMI/DP",	.patch = patch_via_hdmi },
@@ -2588,6 +2589,7 @@ MODULE_ALIAS("snd-hda-codec-id:10de0042");
 MODULE_ALIAS("snd-hda-codec-id:10de0043");
 MODULE_ALIAS("snd-hda-codec-id:10de0044");
 MODULE_ALIAS("snd-hda-codec-id:10de0051");
+MODULE_ALIAS("snd-hda-codec-id:10de0060");
 MODULE_ALIAS("snd-hda-codec-id:10de0067");
 MODULE_ALIAS("snd-hda-codec-id:10de8001");
 MODULE_ALIAS("snd-hda-codec-id:11069f80");
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index e5245544..aed19c3f 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -910,6 +910,8 @@ static const struct hda_verb vt1708S_init_verbs[] = {
 static void override_mic_boost(struct hda_codec *codec, hda_nid_t pin,
 			       int offset, int num_steps, int step_size)
 {
+	snd_hda_override_wcaps(codec, pin,
+			       get_wcaps(codec, pin) | AC_WCAP_IN_AMP);
 	snd_hda_override_amp_caps(codec, pin, HDA_INPUT,
 				  (offset << AC_AMPCAP_OFFSET_SHIFT) |
 				  (num_steps << AC_AMPCAP_NUM_STEPS_SHIFT) |
diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c
index 1d38fd0b..d1282652 100644
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -81,7 +81,9 @@ static void atmel_pcm_dma_irq(u32 ssc_sr,
 
 		/* stop RX and capture: will be enabled again at restart */
 		ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_disable);
+		snd_pcm_stream_lock(substream);
 		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stream_unlock(substream);
 
 		/* now drain RHR and read status to remove xrun condition */
 		ssc_readx(prtd->ssc->regs, SSC_RHR);
diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h
index 8a9f4353..d3a68bbf 100644
--- a/sound/soc/codecs/sgtl5000.h
+++ b/sound/soc/codecs/sgtl5000.h
@@ -347,7 +347,7 @@
 #define SGTL5000_PLL_INT_DIV_MASK		0xf800
 #define SGTL5000_PLL_INT_DIV_SHIFT		11
 #define SGTL5000_PLL_INT_DIV_WIDTH		5
-#define SGTL5000_PLL_FRAC_DIV_MASK		0x0700
+#define SGTL5000_PLL_FRAC_DIV_MASK		0x07ff
 #define SGTL5000_PLL_FRAC_DIV_SHIFT		0
 #define SGTL5000_PLL_FRAC_DIV_WIDTH		11
 
diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index 1358c7de..d0740a76 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -128,7 +128,9 @@ static irqreturn_t s6000_pcm_irq(int irq, void *data)
 		    substream->runtime &&
 		    snd_pcm_running(substream)) {
 			dev_dbg(pcm->dev, "xrun\n");
+			snd_pcm_stream_lock(substream);
 			snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+			snd_pcm_stream_unlock(substream);
 			ret = IRQ_HANDLED;
 		}
 
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index 40dd50a8..8221ff2f 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -641,17 +641,25 @@ int usb6fire_pcm_init(struct sfire_chip *chip)
 void usb6fire_pcm_abort(struct sfire_chip *chip)
 {
 	struct pcm_runtime *rt = chip->pcm;
+	unsigned long flags;
 	int i;
 
 	if (rt) {
 		rt->panic = true;
 
-		if (rt->playback.instance)
+		if (rt->playback.instance) {
+			snd_pcm_stream_lock_irqsave(rt->playback.instance, flags);
 			snd_pcm_stop(rt->playback.instance,
 					SNDRV_PCM_STATE_XRUN);
-		if (rt->capture.instance)
+			snd_pcm_stream_unlock_irqrestore(rt->playback.instance, flags);
+		}
+
+		if (rt->capture.instance) {
+			snd_pcm_stream_lock_irqsave(rt->capture.instance, flags);
 			snd_pcm_stop(rt->capture.instance,
 					SNDRV_PCM_STATE_XRUN);
+			snd_pcm_stream_unlock_irqrestore(rt->capture.instance, flags);
+		}
 
 		for (i = 0; i < PCM_N_URBS; i++) {
 			usb_poison_urb(&rt->in_urbs[i].instance);
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 6ad617b9..76d83290 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -613,14 +613,24 @@ static int start_usb_playback(struct ua101 *ua)
 
 static void abort_alsa_capture(struct ua101 *ua)
 {
-	if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states))
+	unsigned long flags;
+
+	if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) {
+		snd_pcm_stream_lock_irqsave(ua->capture.substream, flags);
 		snd_pcm_stop(ua->capture.substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stream_unlock_irqrestore(ua->capture.substream, flags);
+	}
 }
 
 static void abort_alsa_playback(struct ua101 *ua)
 {
-	if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states))
+	unsigned long flags;
+
+	if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) {
+		snd_pcm_stream_lock_irqsave(ua->playback.substream, flags);
 		snd_pcm_stop(ua->playback.substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stream_unlock_irqrestore(ua->playback.substream, flags);
+	}
 }
 
 static int set_stream_hw(struct ua101 *ua, struct snd_pcm_substream *substream,
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index b3765324..0ce90337 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -273,7 +273,11 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
 		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
 		if (subs) {
 			if (atomic_read(&subs->state) >= state_PRERUNNING) {
+				unsigned long flags;
+
+				snd_pcm_stream_lock_irqsave(subs->pcm_substream, flags);
 				snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN);
+				snd_pcm_stream_unlock_irqrestore(subs->pcm_substream, flags);
 			}
 			for (u = 0; u < NRURBS; u++) {
 				struct urb *urb = subs->urb[u];