From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:3.12 commit in: /
Date: Tue, 19 Aug 2014 11:44:48 +0000 (UTC) [thread overview]
Message-ID: <1406116490.c62d20cbbb36deb573e7d503be551423e612f2ff.mpagano@gentoo> (raw)
Message-ID: <20140819114448.HMIgIplCN2o1VjTDACkDfQ2s7z73Gu2NZWd-IoCpYUE@z> (raw)
commit: c62d20cbbb36deb573e7d503be551423e612f2ff
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Jul 23 11:54:50 2014 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Jul 23 11:54:50 2014 +0000
URL: http://sources.gentoo.org/gitweb/?p=proj/linux-patches.git;a=commit;h=c62d20cb
Linux patch 3.12.25
---
0000_README | 6 +-
1024_linux-3.12.25.patch | 5826 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 5831 insertions(+), 1 deletion(-)
diff --git a/0000_README b/0000_README
index 312464b..76b0ed4 100644
--- a/0000_README
+++ b/0000_README
@@ -134,10 +134,14 @@ Patch: 1022_linux-3.12.23.patch
From: http://www.kernel.org
Desc: Linux 3.12.23
-Patch: 1022_linux-3.12.24.patch
+Patch: 1023_linux-3.12.24.patch
From: http://www.kernel.org
Desc: Linux 3.12.24
+Patch: 1024_linux-3.12.25.patch
+From: http://www.kernel.org
+Desc: Linux 3.12.25
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1024_linux-3.12.25.patch b/1024_linux-3.12.25.patch
new file mode 100644
index 0000000..122b2b5
--- /dev/null
+++ b/1024_linux-3.12.25.patch
@@ -0,0 +1,5826 @@
+diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
+index 26b1e31d5a13..1ec219a14904 100644
+--- a/Documentation/SubmittingPatches
++++ b/Documentation/SubmittingPatches
+@@ -119,6 +119,20 @@ Example:
+ platform_set_drvdata(), but left the variable "dev" unused,
+ delete it.
+
++If your patch fixes a bug in a specific commit, e.g. you found an issue using
++git-bisect, please use the 'Fixes:' tag with the first 12 characters of the
++SHA-1 ID, and the one line summary.
++Example:
++
++ Fixes: e21d2170f366 ("video: remove unnecessary platform_set_drvdata()")
++
++The following git-config settings can be used to add a pretty format for
++outputting the above style in the git log or git show commands
++
++ [core]
++ abbrev = 12
++ [pretty]
++ fixes = Fixes: %h (\"%s\")
+
+ 3) Separate your changes.
+
+@@ -430,7 +444,7 @@ person it names. This tag documents that potentially interested parties
+ have been included in the discussion
+
+
+-14) Using Reported-by:, Tested-by:, Reviewed-by: and Suggested-by:
++14) Using Reported-by:, Tested-by:, Reviewed-by:, Suggested-by: and Fixes:
+
+ If this patch fixes a problem reported by somebody else, consider adding a
+ Reported-by: tag to credit the reporter for their contribution. Please
+@@ -485,6 +499,12 @@ idea was not posted in a public forum. That said, if we diligently credit our
+ idea reporters, they will, hopefully, be inspired to help us again in the
+ future.
+
++A Fixes: tag indicates that the patch fixes an issue in a previous commit. It
++is used to make it easy to determine where a bug originated, which can help
++review a bug fix. This tag also assists the stable kernel team in determining
++which stable kernel versions should receive your fix. This is the preferred
++method for indicating a bug fixed by the patch. See #2 above for more details.
++
+
+ 15) The canonical patch format
+
+diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
+index 79a797eb3e87..138fe437bba0 100644
+--- a/Documentation/sysctl/vm.txt
++++ b/Documentation/sysctl/vm.txt
+@@ -664,7 +664,8 @@ The batch value of each per cpu pagelist is also updated as a result. It is
+ set to pcp->high/4. The upper limit of batch is (PAGE_SHIFT * 8)
+
+ The initial value is zero. Kernel does not use this value at boot time to set
+-the high water marks for each per cpu page list.
++the high water marks for each per cpu page list. If the user writes '0' to this
++sysctl, it will revert to this default behavior.
+
+ ==============================================================
+
+diff --git a/Makefile b/Makefile
+index b887aa84c80d..4d25b56bf81c 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 12
+-SUBLEVEL = 24
++SUBLEVEL = 25
+ EXTRAVERSION =
+ NAME = One Giant Leap for Frogkind
+
+diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
+index f82cf878d6af..94c2f6d17dae 100644
+--- a/arch/arm/mach-omap2/mux.c
++++ b/arch/arm/mach-omap2/mux.c
+@@ -183,8 +183,10 @@ static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition,
+ m0_entry = mux->muxnames[0];
+
+ /* First check for full name in mode0.muxmode format */
+- if (mode0_len && strncmp(muxname, m0_entry, mode0_len))
+- continue;
++ if (mode0_len)
++ if (strncmp(muxname, m0_entry, mode0_len) ||
++ (strlen(m0_entry) != mode0_len))
++ continue;
+
+ /* Then check for muxmode only */
+ for (i = 0; i < OMAP_MUX_NR_MODES; i++) {
+diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
+index 20925bcf4e2a..e1134d04e07e 100644
+--- a/arch/arm64/include/asm/memory.h
++++ b/arch/arm64/include/asm/memory.h
+@@ -51,6 +51,8 @@
+ #define TASK_SIZE_32 UL(0x100000000)
+ #define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
+ TASK_SIZE_32 : TASK_SIZE_64)
++#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
++ TASK_SIZE_32 : TASK_SIZE_64)
+ #else
+ #define TASK_SIZE TASK_SIZE_64
+ #endif /* CONFIG_COMPAT */
+diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
+index 3881fd115ebb..028a1b91e2b3 100644
+--- a/arch/arm64/kernel/entry.S
++++ b/arch/arm64/kernel/entry.S
+@@ -275,7 +275,6 @@ el1_sp_pc:
+ * Stack or PC alignment exception handling
+ */
+ mrs x0, far_el1
+- mov x1, x25
+ mov x2, sp
+ b do_sp_pc_abort
+ el1_undef:
+diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c
+index e4193e3adc7f..0d64089d28b5 100644
+--- a/arch/arm64/mm/flush.c
++++ b/arch/arm64/mm/flush.c
+@@ -79,7 +79,8 @@ void __sync_icache_dcache(pte_t pte, unsigned long addr)
+ return;
+
+ if (!test_and_set_bit(PG_dcache_clean, &page->flags)) {
+- __flush_dcache_area(page_address(page), PAGE_SIZE);
++ __flush_dcache_area(page_address(page),
++ PAGE_SIZE << compound_order(page));
+ __flush_icache_all();
+ } else if (icache_is_aivivt()) {
+ __flush_icache_all();
+diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c
+index fab40f7d2e03..ac9facc08694 100644
+--- a/arch/mips/kernel/irq-msc01.c
++++ b/arch/mips/kernel/irq-msc01.c
+@@ -131,7 +131,7 @@ void __init init_msc_irqs(unsigned long icubase, unsigned int irqbase, msc_irqma
+
+ board_bind_eic_interrupt = &msc_bind_eic_interrupt;
+
+- for (; nirq >= 0; nirq--, imp++) {
++ for (; nirq > 0; nirq--, imp++) {
+ int n = imp->im_irq;
+
+ switch (imp->im_type) {
+diff --git a/arch/mips/kvm/kvm_mips.c b/arch/mips/kvm/kvm_mips.c
+index b31153969946..3f3e5b2b2f38 100644
+--- a/arch/mips/kvm/kvm_mips.c
++++ b/arch/mips/kvm/kvm_mips.c
+@@ -149,9 +149,7 @@ void kvm_mips_free_vcpus(struct kvm *kvm)
+ if (kvm->arch.guest_pmap[i] != KVM_INVALID_PAGE)
+ kvm_mips_release_pfn_clean(kvm->arch.guest_pmap[i]);
+ }
+-
+- if (kvm->arch.guest_pmap)
+- kfree(kvm->arch.guest_pmap);
++ kfree(kvm->arch.guest_pmap);
+
+ kvm_for_each_vcpu(i, vcpu, kvm) {
+ kvm_arch_vcpu_free(vcpu);
+@@ -388,12 +386,9 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
+
+ kvm_mips_dump_stats(vcpu);
+
+- if (vcpu->arch.guest_ebase)
+- kfree(vcpu->arch.guest_ebase);
+-
+- if (vcpu->arch.kseg0_commpage)
+- kfree(vcpu->arch.kseg0_commpage);
+-
++ kfree(vcpu->arch.guest_ebase);
++ kfree(vcpu->arch.kseg0_commpage);
++ kfree(vcpu);
+ }
+
+ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
+diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
+index 38f3b7e47ec5..d5d026b6d237 100644
+--- a/arch/powerpc/Kconfig
++++ b/arch/powerpc/Kconfig
+@@ -395,7 +395,7 @@ config KEXEC
+ config CRASH_DUMP
+ bool "Build a kdump crash kernel"
+ depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
+- select RELOCATABLE if PPC64 || 44x
++ select RELOCATABLE if (PPC64 && !COMPILE_TEST) || 44x
+ select DYNAMIC_MEMSTART if FSL_BOOKE
+ help
+ Build a kernel suitable for use as a kdump capture kernel.
+@@ -985,6 +985,7 @@ endmenu
+ if PPC64
+ config RELOCATABLE
+ bool "Build a relocatable kernel"
++ depends on !COMPILE_TEST
+ select NONSTATIC_KERNEL
+ help
+ This builds a kernel image that is capable of running anywhere
+diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
+index 3fd2f1b6f906..cefc7b4f4fb1 100644
+--- a/arch/powerpc/include/asm/perf_event_server.h
++++ b/arch/powerpc/include/asm/perf_event_server.h
+@@ -60,8 +60,7 @@ struct power_pmu {
+ #define PPMU_SIAR_VALID 0x00000010 /* Processor has SIAR Valid bit */
+ #define PPMU_HAS_SSLOT 0x00000020 /* Has sampled slot in MMCRA */
+ #define PPMU_HAS_SIER 0x00000040 /* Has SIER */
+-#define PPMU_BHRB 0x00000080 /* has BHRB feature enabled */
+-#define PPMU_EBB 0x00000100 /* supports event based branch */
++#define PPMU_ARCH_207S 0x00000080 /* PMC is architecture v2.07S */
+
+ /*
+ * Values for flags to get_alternatives()
+diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
+index 2be5618cdec6..06d63a3c1a88 100644
+--- a/arch/powerpc/include/asm/switch_to.h
++++ b/arch/powerpc/include/asm/switch_to.h
+@@ -85,6 +85,8 @@ static inline void clear_task_ebb(struct task_struct *t)
+ {
+ #ifdef CONFIG_PPC_BOOK3S_64
+ /* EBB perf events are not inherited, so clear all EBB state. */
++ t->thread.ebbrr = 0;
++ t->thread.ebbhr = 0;
+ t->thread.bescr = 0;
+ t->thread.mmcr2 = 0;
+ t->thread.mmcr0 = 0;
+diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
+index 43523fe0d8b4..05fcdd826829 100644
+--- a/arch/powerpc/include/asm/systbl.h
++++ b/arch/powerpc/include/asm/systbl.h
+@@ -190,7 +190,7 @@ SYSCALL_SPU(getcwd)
+ SYSCALL_SPU(capget)
+ SYSCALL_SPU(capset)
+ COMPAT_SYS(sigaltstack)
+-COMPAT_SYS_SPU(sendfile)
++SYSX_SPU(sys_sendfile64,compat_sys_sendfile,sys_sendfile)
+ SYSCALL(ni_syscall)
+ SYSCALL(ni_syscall)
+ PPC_SYS(vfork)
+diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h
+index 5b7657959faa..de2c0e4ee1aa 100644
+--- a/arch/powerpc/include/uapi/asm/cputable.h
++++ b/arch/powerpc/include/uapi/asm/cputable.h
+@@ -41,5 +41,6 @@
+ #define PPC_FEATURE2_EBB 0x10000000
+ #define PPC_FEATURE2_ISEL 0x08000000
+ #define PPC_FEATURE2_TAR 0x04000000
++#define PPC_FEATURE2_VEC_CRYPTO 0x02000000
+
+ #endif /* _UAPI__ASM_POWERPC_CPUTABLE_H */
+diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
+index 597d954e5860..c5d3d023363a 100644
+--- a/arch/powerpc/kernel/cputable.c
++++ b/arch/powerpc/kernel/cputable.c
+@@ -105,7 +105,8 @@ extern void __restore_cpu_e6500(void);
+ PPC_FEATURE_PSERIES_PERFMON_COMPAT)
+ #define COMMON_USER2_POWER8 (PPC_FEATURE2_ARCH_2_07 | \
+ PPC_FEATURE2_HTM_COMP | PPC_FEATURE2_DSCR | \
+- PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR)
++ PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \
++ PPC_FEATURE2_VEC_CRYPTO)
+ #define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
+ PPC_FEATURE_TRUE_LE | \
+ PPC_FEATURE_HAS_ALTIVEC_COMP)
+diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
+index 22e88dd2f34a..a531358f971e 100644
+--- a/arch/powerpc/kernel/legacy_serial.c
++++ b/arch/powerpc/kernel/legacy_serial.c
+@@ -48,6 +48,9 @@ static struct __initdata of_device_id legacy_serial_parents[] = {
+ static unsigned int legacy_serial_count;
+ static int legacy_serial_console = -1;
+
++static const upf_t legacy_port_flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
++ UPF_SHARE_IRQ | UPF_FIXED_PORT;
++
+ static unsigned int tsi_serial_in(struct uart_port *p, int offset)
+ {
+ unsigned int tmp;
+@@ -153,8 +156,6 @@ static int __init add_legacy_soc_port(struct device_node *np,
+ {
+ u64 addr;
+ const __be32 *addrp;
+- upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ
+- | UPF_FIXED_PORT;
+ struct device_node *tsi = of_get_parent(np);
+
+ /* We only support ports that have a clock frequency properly
+@@ -185,9 +186,11 @@ static int __init add_legacy_soc_port(struct device_node *np,
+ * IO port value. It will be fixed up later along with the irq
+ */
+ if (tsi && !strcmp(tsi->type, "tsi-bridge"))
+- return add_legacy_port(np, -1, UPIO_TSI, addr, addr, NO_IRQ, flags, 0);
++ return add_legacy_port(np, -1, UPIO_TSI, addr, addr,
++ NO_IRQ, legacy_port_flags, 0);
+ else
+- return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags, 0);
++ return add_legacy_port(np, -1, UPIO_MEM, addr, addr,
++ NO_IRQ, legacy_port_flags, 0);
+ }
+
+ static int __init add_legacy_isa_port(struct device_node *np,
+@@ -233,7 +236,7 @@ static int __init add_legacy_isa_port(struct device_node *np,
+
+ /* Add port, irq will be dealt with later */
+ return add_legacy_port(np, index, UPIO_PORT, be32_to_cpu(reg[1]),
+- taddr, NO_IRQ, UPF_BOOT_AUTOCONF, 0);
++ taddr, NO_IRQ, legacy_port_flags, 0);
+
+ }
+
+@@ -306,7 +309,7 @@ static int __init add_legacy_pci_port(struct device_node *np,
+ * IO port value. It will be fixed up later along with the irq
+ */
+ return add_legacy_port(np, index, iotype, base, addr, NO_IRQ,
+- UPF_BOOT_AUTOCONF, np != pci_dev);
++ legacy_port_flags, np != pci_dev);
+ }
+ #endif
+
+diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
+index 3d261c071fc8..5b86d6a47a1a 100644
+--- a/arch/powerpc/kernel/setup-common.c
++++ b/arch/powerpc/kernel/setup-common.c
+@@ -458,9 +458,17 @@ void __init smp_setup_cpu_maps(void)
+ }
+
+ for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) {
++ bool avail;
++
+ DBG(" thread %d -> cpu %d (hard id %d)\n",
+ j, cpu, be32_to_cpu(intserv[j]));
+- set_cpu_present(cpu, true);
++
++ avail = of_device_is_available(dn);
++ if (!avail)
++ avail = !of_property_match_string(dn,
++ "enable-method", "spin-table");
++
++ set_cpu_present(cpu, avail);
+ set_hard_smp_processor_id(cpu, be32_to_cpu(intserv[j]));
+ set_cpu_possible(cpu, true);
+ cpu++;
+diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
+index b3b144121cc9..62e7f22e57d5 100644
+--- a/arch/powerpc/kernel/time.c
++++ b/arch/powerpc/kernel/time.c
+@@ -512,7 +512,7 @@ void timer_interrupt(struct pt_regs * regs)
+
+ __get_cpu_var(irq_stat).timer_irqs++;
+
+-#if defined(CONFIG_PPC32) && defined(CONFIG_PMAC)
++#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
+ if (atomic_read(&ppc_n_lost_interrupts) != 0)
+ do_IRQ(regs);
+ #endif
+diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
+index b1faa1593c90..aec4dbf5a5cc 100644
+--- a/arch/powerpc/lib/sstep.c
++++ b/arch/powerpc/lib/sstep.c
+@@ -1397,7 +1397,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
+ regs->gpr[rd] = byterev_4(val);
+ goto ldst_done;
+
+-#ifdef CONFIG_PPC_CPU
++#ifdef CONFIG_PPC_FPU
+ case 535: /* lfsx */
+ case 567: /* lfsux */
+ if (!(regs->msr & MSR_FP))
+diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
+index bde8b5589755..503a5d005622 100644
+--- a/arch/powerpc/mm/hash_utils_64.c
++++ b/arch/powerpc/mm/hash_utils_64.c
+@@ -947,6 +947,22 @@ void hash_failure_debug(unsigned long ea, unsigned long access,
+ trap, vsid, ssize, psize, lpsize, pte);
+ }
+
++static void check_paca_psize(unsigned long ea, struct mm_struct *mm,
++ int psize, bool user_region)
++{
++ if (user_region) {
++ if (psize != get_paca_psize(ea)) {
++ get_paca()->context = mm->context;
++ slb_flush_and_rebolt();
++ }
++ } else if (get_paca()->vmalloc_sllp !=
++ mmu_psize_defs[mmu_vmalloc_psize].sllp) {
++ get_paca()->vmalloc_sllp =
++ mmu_psize_defs[mmu_vmalloc_psize].sllp;
++ slb_vmalloc_update();
++ }
++}
++
+ /* Result code is:
+ * 0 - handled
+ * 1 - normal page fault
+@@ -1068,6 +1084,8 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
+ WARN_ON(1);
+ }
+ #endif
++ check_paca_psize(ea, mm, psize, user_region);
++
+ goto bail;
+ }
+
+@@ -1108,17 +1126,8 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
+ #endif
+ }
+ }
+- if (user_region) {
+- if (psize != get_paca_psize(ea)) {
+- get_paca()->context = mm->context;
+- slb_flush_and_rebolt();
+- }
+- } else if (get_paca()->vmalloc_sllp !=
+- mmu_psize_defs[mmu_vmalloc_psize].sllp) {
+- get_paca()->vmalloc_sllp =
+- mmu_psize_defs[mmu_vmalloc_psize].sllp;
+- slb_vmalloc_update();
+- }
++
++ check_paca_psize(ea, mm, psize, user_region);
+ #endif /* CONFIG_PPC_64K_PAGES */
+
+ #ifdef CONFIG_PPC_HAS_HASH_64K
+diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
+index 29b89e863d7c..57a8ff90ed60 100644
+--- a/arch/powerpc/perf/core-book3s.c
++++ b/arch/powerpc/perf/core-book3s.c
+@@ -483,7 +483,7 @@ static bool is_ebb_event(struct perf_event *event)
+ * check that the PMU supports EBB, meaning those that don't can still
+ * use bit 63 of the event code for something else if they wish.
+ */
+- return (ppmu->flags & PPMU_EBB) &&
++ return (ppmu->flags & PPMU_ARCH_207S) &&
+ ((event->attr.config >> PERF_EVENT_CONFIG_EBB_SHIFT) & 1);
+ }
+
+@@ -851,7 +851,22 @@ static void power_pmu_read(struct perf_event *event)
+ } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev);
+
+ local64_add(delta, &event->count);
+- local64_sub(delta, &event->hw.period_left);
++
++ /*
++ * A number of places program the PMC with (0x80000000 - period_left).
++ * We never want period_left to be less than 1 because we will program
++ * the PMC with a value >= 0x800000000 and an edge detected PMC will
++ * roll around to 0 before taking an exception. We have seen this
++ * on POWER8.
++ *
++ * To fix this, clamp the minimum value of period_left to 1.
++ */
++ do {
++ prev = local64_read(&event->hw.period_left);
++ val = prev - delta;
++ if (val < 1)
++ val = 1;
++ } while (local64_cmpxchg(&event->hw.period_left, prev, val) != prev);
+ }
+
+ /*
+@@ -1149,6 +1164,9 @@ static void power_pmu_enable(struct pmu *pmu)
+ mb();
+ write_mmcr0(cpuhw, mmcr0);
+
++ if (ppmu->flags & PPMU_ARCH_207S)
++ mtspr(SPRN_MMCR2, 0);
++
+ /*
+ * Enable instruction sampling if necessary
+ */
+@@ -1547,7 +1565,7 @@ static int power_pmu_event_init(struct perf_event *event)
+
+ if (has_branch_stack(event)) {
+ /* PMU has BHRB enabled */
+- if (!(ppmu->flags & PPMU_BHRB))
++ if (!(ppmu->flags & PPMU_ARCH_207S))
+ return -EOPNOTSUPP;
+ }
+
+diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
+index a3f7abd2f13f..79b7e200c0e7 100644
+--- a/arch/powerpc/perf/power8-pmu.c
++++ b/arch/powerpc/perf/power8-pmu.c
+@@ -608,7 +608,7 @@ static struct power_pmu power8_pmu = {
+ .get_constraint = power8_get_constraint,
+ .get_alternatives = power8_get_alternatives,
+ .disable_pmc = power8_disable_pmc,
+- .flags = PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_BHRB | PPMU_EBB,
++ .flags = PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_ARCH_207S,
+ .n_generic = ARRAY_SIZE(power8_generic_events),
+ .generic_events = power8_generic_events,
+ .attr_groups = power8_pmu_attr_groups,
+diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
+index 7fbc25b1813f..74448701b636 100644
+--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
++++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
+@@ -461,6 +461,7 @@ static int pseries_eeh_get_state(struct eeh_pe *pe, int *state)
+ } else {
+ result = EEH_STATE_NOT_SUPPORT;
+ }
++ break;
+ default:
+ result = EEH_STATE_NOT_SUPPORT;
+ }
+diff --git a/arch/x86/crypto/sha512_ssse3_glue.c b/arch/x86/crypto/sha512_ssse3_glue.c
+index f30cd10293f0..8626b03e83b7 100644
+--- a/arch/x86/crypto/sha512_ssse3_glue.c
++++ b/arch/x86/crypto/sha512_ssse3_glue.c
+@@ -141,7 +141,7 @@ static int sha512_ssse3_final(struct shash_desc *desc, u8 *out)
+
+ /* save number of bits */
+ bits[1] = cpu_to_be64(sctx->count[0] << 3);
+- bits[0] = cpu_to_be64(sctx->count[1] << 3) | sctx->count[0] >> 61;
++ bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61);
+
+ /* Pad out to 112 mod 128 and append length */
+ index = sctx->count[0] & 0x7f;
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
+index c76ff74a98f2..694851592399 100644
+--- a/arch/x86/include/asm/kvm_host.h
++++ b/arch/x86/include/asm/kvm_host.h
+@@ -92,7 +92,7 @@
+ #define KVM_REFILL_PAGES 25
+ #define KVM_MAX_CPUID_ENTRIES 80
+ #define KVM_NR_FIXED_MTRR_REGION 88
+-#define KVM_NR_VAR_MTRR 8
++#define KVM_NR_VAR_MTRR 10
+
+ #define ASYNC_PF_PER_VCPU 64
+
+@@ -455,7 +455,7 @@ struct kvm_vcpu_arch {
+ bool nmi_injected; /* Trying to inject an NMI this entry */
+
+ struct mtrr_state_type mtrr_state;
+- u32 pat;
++ u64 pat;
+
+ int switch_db_regs;
+ unsigned long db[KVM_NR_DB_REGS];
+diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
+index 942a08623a1a..68e9f007cd4a 100644
+--- a/arch/x86/include/asm/ptrace.h
++++ b/arch/x86/include/asm/ptrace.h
+@@ -232,6 +232,22 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
+
+ #define ARCH_HAS_USER_SINGLE_STEP_INFO
+
++/*
++ * When hitting ptrace_stop(), we cannot return using SYSRET because
++ * that does not restore the full CPU state, only a minimal set. The
++ * ptracer can change arbitrary register values, which is usually okay
++ * because the usual ptrace stops run off the signal delivery path which
++ * forces IRET; however, ptrace_event() stops happen in arbitrary places
++ * in the kernel and don't force IRET path.
++ *
++ * So force IRET path after a ptrace stop.
++ */
++#define arch_ptrace_stop_needed(code, info) \
++({ \
++ set_thread_flag(TIF_NOTIFY_RESUME); \
++ false; \
++})
++
+ struct user_desc;
+ extern int do_get_thread_area(struct task_struct *p, int idx,
+ struct user_desc __user *info);
+diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
+index 799580cabc78..94bd24771812 100644
+--- a/arch/x86/mm/ioremap.c
++++ b/arch/x86/mm/ioremap.c
+@@ -50,6 +50,21 @@ int ioremap_change_attr(unsigned long vaddr, unsigned long size,
+ return err;
+ }
+
++static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
++ void *arg)
++{
++ unsigned long i;
++
++ for (i = 0; i < nr_pages; ++i)
++ if (pfn_valid(start_pfn + i) &&
++ !PageReserved(pfn_to_page(start_pfn + i)))
++ return 1;
++
++ WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn);
++
++ return 0;
++}
++
+ /*
+ * Remap an arbitrary physical address space into the kernel virtual
+ * address space. Needed when the kernel wants to access high addresses
+@@ -93,14 +108,11 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
+ /*
+ * Don't allow anybody to remap normal RAM that we're using..
+ */
++ pfn = phys_addr >> PAGE_SHIFT;
+ last_pfn = last_addr >> PAGE_SHIFT;
+- for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) {
+- int is_ram = page_is_ram(pfn);
+-
+- if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn)))
+- return NULL;
+- WARN_ON_ONCE(is_ram);
+- }
++ if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL,
++ __ioremap_check_ram) == 1)
++ return NULL;
+
+ /*
+ * Mappings have to be page-aligned
+diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
+index 4e491d9b5292..dd0dd2d4ceca 100644
+--- a/block/blk-cgroup.c
++++ b/block/blk-cgroup.c
+@@ -80,7 +80,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct request_queue *q,
+ blkg->q = q;
+ INIT_LIST_HEAD(&blkg->q_node);
+ blkg->blkcg = blkcg;
+- blkg->refcnt = 1;
++ atomic_set(&blkg->refcnt, 1);
+
+ /* root blkg uses @q->root_rl, init rl only for !root blkgs */
+ if (blkcg != &blkcg_root) {
+@@ -399,11 +399,8 @@ void __blkg_release_rcu(struct rcu_head *rcu_head)
+
+ /* release the blkcg and parent blkg refs this blkg has been holding */
+ css_put(&blkg->blkcg->css);
+- if (blkg->parent) {
+- spin_lock_irq(blkg->q->queue_lock);
++ if (blkg->parent)
+ blkg_put(blkg->parent);
+- spin_unlock_irq(blkg->q->queue_lock);
+- }
+
+ blkg_free(blkg);
+ }
+diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
+index 2e34c386d760..f1c1cfc92f41 100644
+--- a/block/blk-cgroup.h
++++ b/block/blk-cgroup.h
+@@ -18,6 +18,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/radix-tree.h>
+ #include <linux/blkdev.h>
++#include <linux/atomic.h>
+
+ /* Max limits for throttle policy */
+ #define THROTL_IOPS_MAX UINT_MAX
+@@ -104,7 +105,7 @@ struct blkcg_gq {
+ struct request_list rl;
+
+ /* reference count */
+- int refcnt;
++ atomic_t refcnt;
+
+ /* is this blkg online? protected by both blkcg and q locks */
+ bool online;
+@@ -253,13 +254,12 @@ static inline int blkg_path(struct blkcg_gq *blkg, char *buf, int buflen)
+ * blkg_get - get a blkg reference
+ * @blkg: blkg to get
+ *
+- * The caller should be holding queue_lock and an existing reference.
++ * The caller should be holding an existing reference.
+ */
+ static inline void blkg_get(struct blkcg_gq *blkg)
+ {
+- lockdep_assert_held(blkg->q->queue_lock);
+- WARN_ON_ONCE(!blkg->refcnt);
+- blkg->refcnt++;
++ WARN_ON_ONCE(atomic_read(&blkg->refcnt) <= 0);
++ atomic_inc(&blkg->refcnt);
+ }
+
+ void __blkg_release_rcu(struct rcu_head *rcu);
+@@ -267,14 +267,11 @@ void __blkg_release_rcu(struct rcu_head *rcu);
+ /**
+ * blkg_put - put a blkg reference
+ * @blkg: blkg to put
+- *
+- * The caller should be holding queue_lock.
+ */
+ static inline void blkg_put(struct blkcg_gq *blkg)
+ {
+- lockdep_assert_held(blkg->q->queue_lock);
+- WARN_ON_ONCE(blkg->refcnt <= 0);
+- if (!--blkg->refcnt)
++ WARN_ON_ONCE(atomic_read(&blkg->refcnt) <= 0);
++ if (atomic_dec_and_test(&blkg->refcnt))
+ call_rcu(&blkg->rcu_head, __blkg_release_rcu);
+ }
+
+diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
+index ffa5af4c221a..a59d3d3fbcdc 100644
+--- a/drivers/acpi/battery.c
++++ b/drivers/acpi/battery.c
+@@ -34,6 +34,7 @@
+ #include <linux/dmi.h>
+ #include <linux/slab.h>
+ #include <linux/suspend.h>
++#include <linux/delay.h>
+ #include <asm/unaligned.h>
+
+ #ifdef CONFIG_ACPI_PROCFS_POWER
+@@ -1071,6 +1072,28 @@ static struct dmi_system_id bat_dmi_table[] = {
+ {},
+ };
+
++/*
++ * Some machines'(E,G Lenovo Z480) ECs are not stable
++ * during boot up and this causes battery driver fails to be
++ * probed due to failure of getting battery information
++ * from EC sometimes. After several retries, the operation
++ * may work. So add retry code here and 20ms sleep between
++ * every retries.
++ */
++static int acpi_battery_update_retry(struct acpi_battery *battery)
++{
++ int retry, ret;
++
++ for (retry = 5; retry; retry--) {
++ ret = acpi_battery_update(battery);
++ if (!ret)
++ break;
++
++ msleep(20);
++ }
++ return ret;
++}
++
+ static int acpi_battery_add(struct acpi_device *device)
+ {
+ int result = 0;
+@@ -1089,9 +1112,11 @@ static int acpi_battery_add(struct acpi_device *device)
+ mutex_init(&battery->sysfs_lock);
+ if (acpi_has_method(battery->device->handle, "_BIX"))
+ set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
+- result = acpi_battery_update(battery);
++
++ result = acpi_battery_update_retry(battery);
+ if (result)
+ goto fail;
++
+ #ifdef CONFIG_ACPI_PROCFS_POWER
+ result = acpi_battery_add_fs(device);
+ #endif
+diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
+index 51b700838f64..7171d52e12ca 100644
+--- a/drivers/acpi/ec.c
++++ b/drivers/acpi/ec.c
+@@ -81,6 +81,9 @@ enum {
+ EC_FLAGS_BLOCKED, /* Transactions are blocked */
+ };
+
++#define ACPI_EC_COMMAND_POLL 0x01 /* Available for command byte */
++#define ACPI_EC_COMMAND_COMPLETE 0x02 /* Completed last byte */
++
+ /* ec.c is compiled in acpi namespace so this shows up as acpi.ec_delay param */
+ static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY;
+ module_param(ec_delay, uint, 0644);
+@@ -116,7 +119,7 @@ struct transaction {
+ u8 ri;
+ u8 wlen;
+ u8 rlen;
+- bool done;
++ u8 flags;
+ };
+
+ struct acpi_ec *boot_ec, *first_ec;
+@@ -157,60 +160,74 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data)
+ outb(data, ec->data_addr);
+ }
+
+-static int ec_transaction_done(struct acpi_ec *ec)
++static int ec_transaction_completed(struct acpi_ec *ec)
+ {
+ unsigned long flags;
+ int ret = 0;
+ spin_lock_irqsave(&ec->lock, flags);
+- if (!ec->curr || ec->curr->done)
++ if (ec->curr && (ec->curr->flags & ACPI_EC_COMMAND_COMPLETE))
+ ret = 1;
+ spin_unlock_irqrestore(&ec->lock, flags);
+ return ret;
+ }
+
+-static void start_transaction(struct acpi_ec *ec)
++static bool advance_transaction(struct acpi_ec *ec)
+ {
+- ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0;
+- ec->curr->done = false;
+- acpi_ec_write_cmd(ec, ec->curr->command);
+-}
+-
+-static void advance_transaction(struct acpi_ec *ec, u8 status)
+-{
+- unsigned long flags;
+ struct transaction *t;
++ u8 status;
++ bool wakeup = false;
+
+- spin_lock_irqsave(&ec->lock, flags);
++ pr_debug("===== %s =====\n", in_interrupt() ? "IRQ" : "TASK");
++ status = acpi_ec_read_status(ec);
+ t = ec->curr;
+ if (!t)
+- goto unlock;
+- if (t->wlen > t->wi) {
+- if ((status & ACPI_EC_FLAG_IBF) == 0)
+- acpi_ec_write_data(ec,
+- t->wdata[t->wi++]);
+- else
+- goto err;
+- } else if (t->rlen > t->ri) {
+- if ((status & ACPI_EC_FLAG_OBF) == 1) {
+- t->rdata[t->ri++] = acpi_ec_read_data(ec);
+- if (t->rlen == t->ri)
+- t->done = true;
++ goto err;
++ if (t->flags & ACPI_EC_COMMAND_POLL) {
++ if (t->wlen > t->wi) {
++ if ((status & ACPI_EC_FLAG_IBF) == 0)
++ acpi_ec_write_data(ec, t->wdata[t->wi++]);
++ else
++ goto err;
++ } else if (t->rlen > t->ri) {
++ if ((status & ACPI_EC_FLAG_OBF) == 1) {
++ t->rdata[t->ri++] = acpi_ec_read_data(ec);
++ if (t->rlen == t->ri) {
++ t->flags |= ACPI_EC_COMMAND_COMPLETE;
++ wakeup = true;
++ }
++ } else
++ goto err;
++ } else if (t->wlen == t->wi &&
++ (status & ACPI_EC_FLAG_IBF) == 0) {
++ t->flags |= ACPI_EC_COMMAND_COMPLETE;
++ wakeup = true;
++ }
++ return wakeup;
++ } else {
++ if ((status & ACPI_EC_FLAG_IBF) == 0) {
++ acpi_ec_write_cmd(ec, t->command);
++ t->flags |= ACPI_EC_COMMAND_POLL;
+ } else
+ goto err;
+- } else if (t->wlen == t->wi &&
+- (status & ACPI_EC_FLAG_IBF) == 0)
+- t->done = true;
+- goto unlock;
++ return wakeup;
++ }
+ err:
+ /*
+ * If SCI bit is set, then don't think it's a false IRQ
+ * otherwise will take a not handled IRQ as a false one.
+ */
+- if (in_interrupt() && !(status & ACPI_EC_FLAG_SCI))
+- ++t->irq_count;
++ if (!(status & ACPI_EC_FLAG_SCI)) {
++ if (in_interrupt() && t)
++ ++t->irq_count;
++ }
++ return wakeup;
++}
+
+-unlock:
+- spin_unlock_irqrestore(&ec->lock, flags);
++static void start_transaction(struct acpi_ec *ec)
++{
++ ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0;
++ ec->curr->flags = 0;
++ (void)advance_transaction(ec);
+ }
+
+ static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data);
+@@ -235,15 +252,17 @@ static int ec_poll(struct acpi_ec *ec)
+ /* don't sleep with disabled interrupts */
+ if (EC_FLAGS_MSI || irqs_disabled()) {
+ udelay(ACPI_EC_MSI_UDELAY);
+- if (ec_transaction_done(ec))
++ if (ec_transaction_completed(ec))
+ return 0;
+ } else {
+ if (wait_event_timeout(ec->wait,
+- ec_transaction_done(ec),
++ ec_transaction_completed(ec),
+ msecs_to_jiffies(1)))
+ return 0;
+ }
+- advance_transaction(ec, acpi_ec_read_status(ec));
++ spin_lock_irqsave(&ec->lock, flags);
++ (void)advance_transaction(ec);
++ spin_unlock_irqrestore(&ec->lock, flags);
+ } while (time_before(jiffies, delay));
+ pr_debug(PREFIX "controller reset, restart transaction\n");
+ spin_lock_irqsave(&ec->lock, flags);
+@@ -275,23 +294,6 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
+ return ret;
+ }
+
+-static int ec_check_ibf0(struct acpi_ec *ec)
+-{
+- u8 status = acpi_ec_read_status(ec);
+- return (status & ACPI_EC_FLAG_IBF) == 0;
+-}
+-
+-static int ec_wait_ibf0(struct acpi_ec *ec)
+-{
+- unsigned long delay = jiffies + msecs_to_jiffies(ec_delay);
+- /* interrupt wait manually if GPE mode is not active */
+- while (time_before(jiffies, delay))
+- if (wait_event_timeout(ec->wait, ec_check_ibf0(ec),
+- msecs_to_jiffies(1)))
+- return 0;
+- return -ETIME;
+-}
+-
+ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
+ {
+ int status;
+@@ -312,12 +314,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
+ goto unlock;
+ }
+ }
+- if (ec_wait_ibf0(ec)) {
+- pr_err(PREFIX "input buffer is not empty, "
+- "aborting transaction\n");
+- status = -ETIME;
+- goto end;
+- }
+ pr_debug(PREFIX "transaction start (cmd=0x%02x, addr=0x%02x)\n",
+ t->command, t->wdata ? t->wdata[0] : 0);
+ /* disable GPE during transaction if storm is detected */
+@@ -341,7 +337,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
+ set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
+ }
+ pr_debug(PREFIX "transaction end\n");
+-end:
+ if (ec->global_lock)
+ acpi_release_global_lock(glk);
+ unlock:
+@@ -661,17 +656,14 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state)
+ static u32 acpi_ec_gpe_handler(acpi_handle gpe_device,
+ u32 gpe_number, void *data)
+ {
++ unsigned long flags;
+ struct acpi_ec *ec = data;
+- u8 status = acpi_ec_read_status(ec);
+
+- pr_debug(PREFIX "~~~> interrupt, status:0x%02x\n", status);
+-
+- advance_transaction(ec, status);
+- if (ec_transaction_done(ec) &&
+- (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) {
++ spin_lock_irqsave(&ec->lock, flags);
++ if (advance_transaction(ec))
+ wake_up(&ec->wait);
+- ec_check_sci(ec, acpi_ec_read_status(ec));
+- }
++ spin_unlock_irqrestore(&ec->lock, flags);
++ ec_check_sci(ec, acpi_ec_read_status(ec));
+ return ACPI_INTERRUPT_HANDLED | ACPI_REENABLE_GPE;
+ }
+
+diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
+index 99802d6f3c60..e057744150ea 100644
+--- a/drivers/base/dma-contiguous.c
++++ b/drivers/base/dma-contiguous.c
+@@ -155,13 +155,23 @@ static int __init cma_activate_area(struct cma *cma)
+ base_pfn = pfn;
+ for (j = pageblock_nr_pages; j; --j, pfn++) {
+ WARN_ON_ONCE(!pfn_valid(pfn));
++ /*
++ * alloc_contig_range requires the pfn range
++ * specified to be in the same zone. Make this
++ * simple by forcing the entire CMA resv range
++ * to be in the same zone.
++ */
+ if (page_zone(pfn_to_page(pfn)) != zone)
+- return -EINVAL;
++ goto err;
+ }
+ init_cma_reserved_pageblock(pfn_to_page(base_pfn));
+ } while (--i);
+
+ return 0;
++
++err:
++ kfree(cma->bitmap);
++ return -EINVAL;
+ }
+
+ static struct cma cma_areas[MAX_CMA_AREAS];
+diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
+index 4d26c25aa9c5..560227b817fe 100644
+--- a/drivers/block/mtip32xx/mtip32xx.c
++++ b/drivers/block/mtip32xx/mtip32xx.c
+@@ -1493,6 +1493,37 @@ static inline void ata_swap_string(u16 *buf, unsigned int len)
+ be16_to_cpus(&buf[i]);
+ }
+
++static void mtip_set_timeout(struct driver_data *dd,
++ struct host_to_dev_fis *fis,
++ unsigned int *timeout, u8 erasemode)
++{
++ switch (fis->command) {
++ case ATA_CMD_DOWNLOAD_MICRO:
++ *timeout = 120000; /* 2 minutes */
++ break;
++ case ATA_CMD_SEC_ERASE_UNIT:
++ case 0xFC:
++ if (erasemode)
++ *timeout = ((*(dd->port->identify + 90) * 2) * 60000);
++ else
++ *timeout = ((*(dd->port->identify + 89) * 2) * 60000);
++ break;
++ case ATA_CMD_STANDBYNOW1:
++ *timeout = 120000; /* 2 minutes */
++ break;
++ case 0xF7:
++ case 0xFA:
++ *timeout = 60000; /* 60 seconds */
++ break;
++ case ATA_CMD_SMART:
++ *timeout = 15000; /* 15 seconds */
++ break;
++ default:
++ *timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
++ break;
++ }
++}
++
+ /*
+ * Request the device identity information.
+ *
+@@ -1602,6 +1633,7 @@ static int mtip_standby_immediate(struct mtip_port *port)
+ int rv;
+ struct host_to_dev_fis fis;
+ unsigned long start;
++ unsigned int timeout;
+
+ /* Build the FIS. */
+ memset(&fis, 0, sizeof(struct host_to_dev_fis));
+@@ -1609,6 +1641,8 @@ static int mtip_standby_immediate(struct mtip_port *port)
+ fis.opts = 1 << 7;
+ fis.command = ATA_CMD_STANDBYNOW1;
+
++ mtip_set_timeout(port->dd, &fis, &timeout, 0);
++
+ start = jiffies;
+ rv = mtip_exec_internal_command(port,
+ &fis,
+@@ -1617,7 +1651,7 @@ static int mtip_standby_immediate(struct mtip_port *port)
+ 0,
+ 0,
+ GFP_ATOMIC,
+- 15000);
++ timeout);
+ dbg_printk(MTIP_DRV_NAME "Time taken to complete standby cmd: %d ms\n",
+ jiffies_to_msecs(jiffies - start));
+ if (rv)
+@@ -2156,36 +2190,6 @@ static unsigned int implicit_sector(unsigned char command,
+ }
+ return rv;
+ }
+-static void mtip_set_timeout(struct driver_data *dd,
+- struct host_to_dev_fis *fis,
+- unsigned int *timeout, u8 erasemode)
+-{
+- switch (fis->command) {
+- case ATA_CMD_DOWNLOAD_MICRO:
+- *timeout = 120000; /* 2 minutes */
+- break;
+- case ATA_CMD_SEC_ERASE_UNIT:
+- case 0xFC:
+- if (erasemode)
+- *timeout = ((*(dd->port->identify + 90) * 2) * 60000);
+- else
+- *timeout = ((*(dd->port->identify + 89) * 2) * 60000);
+- break;
+- case ATA_CMD_STANDBYNOW1:
+- *timeout = 120000; /* 2 minutes */
+- break;
+- case 0xF7:
+- case 0xFA:
+- *timeout = 60000; /* 60 seconds */
+- break;
+- case ATA_CMD_SMART:
+- *timeout = 15000; /* 15 seconds */
+- break;
+- default:
+- *timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
+- break;
+- }
+-}
+
+ /*
+ * Executes a taskfile
+@@ -4285,6 +4289,57 @@ static DEFINE_HANDLER(5);
+ static DEFINE_HANDLER(6);
+ static DEFINE_HANDLER(7);
+
++static void mtip_disable_link_opts(struct driver_data *dd, struct pci_dev *pdev)
++{
++ int pos;
++ unsigned short pcie_dev_ctrl;
++
++ pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
++ if (pos) {
++ pci_read_config_word(pdev,
++ pos + PCI_EXP_DEVCTL,
++ &pcie_dev_ctrl);
++ if (pcie_dev_ctrl & (1 << 11) ||
++ pcie_dev_ctrl & (1 << 4)) {
++ dev_info(&dd->pdev->dev,
++ "Disabling ERO/No-Snoop on bridge device %04x:%04x\n",
++ pdev->vendor, pdev->device);
++ pcie_dev_ctrl &= ~(PCI_EXP_DEVCTL_NOSNOOP_EN |
++ PCI_EXP_DEVCTL_RELAX_EN);
++ pci_write_config_word(pdev,
++ pos + PCI_EXP_DEVCTL,
++ pcie_dev_ctrl);
++ }
++ }
++}
++
++static void mtip_fix_ero_nosnoop(struct driver_data *dd, struct pci_dev *pdev)
++{
++ /*
++ * This workaround is specific to AMD/ATI chipset with a PCI upstream
++ * device with device id 0x5aXX
++ */
++ if (pdev->bus && pdev->bus->self) {
++ if (pdev->bus->self->vendor == PCI_VENDOR_ID_ATI &&
++ ((pdev->bus->self->device & 0xff00) == 0x5a00)) {
++ mtip_disable_link_opts(dd, pdev->bus->self);
++ } else {
++ /* Check further up the topology */
++ struct pci_dev *parent_dev = pdev->bus->self;
++ if (parent_dev->bus &&
++ parent_dev->bus->parent &&
++ parent_dev->bus->parent->self &&
++ parent_dev->bus->parent->self->vendor ==
++ PCI_VENDOR_ID_ATI &&
++ (parent_dev->bus->parent->self->device &
++ 0xff00) == 0x5a00) {
++ mtip_disable_link_opts(dd,
++ parent_dev->bus->parent->self);
++ }
++ }
++ }
++}
++
+ /*
+ * Called for each supported PCI device detected.
+ *
+@@ -4436,6 +4491,8 @@ static int mtip_pci_probe(struct pci_dev *pdev,
+ goto block_initialize_err;
+ }
+
++ mtip_fix_ero_nosnoop(dd, pdev);
++
+ /* Initialize the block layer. */
+ rv = mtip_block_initialize(dd);
+ if (rv < 0) {
+@@ -4728,13 +4785,13 @@ static int __init mtip_init(void)
+ */
+ static void __exit mtip_exit(void)
+ {
+- debugfs_remove_recursive(dfs_parent);
+-
+ /* Release the allocated major block device number. */
+ unregister_blkdev(mtip_major, MTIP_DRV_NAME);
+
+ /* Unregister the PCI driver. */
+ pci_unregister_driver(&mtip_pci_driver);
++
++ debugfs_remove_recursive(dfs_parent);
+ }
+
+ MODULE_AUTHOR("Micron Technology, Inc");
+diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
+index db60c91804c3..aeeb62e0981a 100644
+--- a/drivers/block/rbd.c
++++ b/drivers/block/rbd.c
+@@ -1379,6 +1379,14 @@ static bool obj_request_exists_test(struct rbd_obj_request *obj_request)
+ return test_bit(OBJ_REQ_EXISTS, &obj_request->flags) != 0;
+ }
+
++static bool obj_request_overlaps_parent(struct rbd_obj_request *obj_request)
++{
++ struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev;
++
++ return obj_request->img_offset <
++ round_up(rbd_dev->parent_overlap, rbd_obj_bytes(&rbd_dev->header));
++}
++
+ static void rbd_obj_request_get(struct rbd_obj_request *obj_request)
+ {
+ dout("%s: obj %p (was %d)\n", __func__, obj_request,
+@@ -1395,6 +1403,13 @@ static void rbd_obj_request_put(struct rbd_obj_request *obj_request)
+ kref_put(&obj_request->kref, rbd_obj_request_destroy);
+ }
+
++static void rbd_img_request_get(struct rbd_img_request *img_request)
++{
++ dout("%s: img %p (was %d)\n", __func__, img_request,
++ atomic_read(&img_request->kref.refcount));
++ kref_get(&img_request->kref);
++}
++
+ static bool img_request_child_test(struct rbd_img_request *img_request);
+ static void rbd_parent_request_destroy(struct kref *kref);
+ static void rbd_img_request_destroy(struct kref *kref);
+@@ -2148,6 +2163,7 @@ static void rbd_img_obj_callback(struct rbd_obj_request *obj_request)
+ img_request->next_completion = which;
+ out:
+ spin_unlock_irq(&img_request->completion_lock);
++ rbd_img_request_put(img_request);
+
+ if (!more)
+ rbd_img_request_complete(img_request);
+@@ -2244,6 +2260,7 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request,
+ goto out_partial;
+ obj_request->osd_req = osd_req;
+ obj_request->callback = rbd_img_obj_callback;
++ rbd_img_request_get(img_request);
+
+ osd_req_op_extent_init(osd_req, 0, opcode, offset, length,
+ 0, 0);
+@@ -2666,7 +2683,7 @@ static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request)
+ */
+ if (!img_request_write_test(img_request) ||
+ !img_request_layered_test(img_request) ||
+- rbd_dev->parent_overlap <= obj_request->img_offset ||
++ !obj_request_overlaps_parent(obj_request) ||
+ ((known = obj_request_known_test(obj_request)) &&
+ obj_request_exists_test(obj_request))) {
+
+diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
+index aa21299ec7d2..bea59229a037 100644
+--- a/drivers/clk/clk-s2mps11.c
++++ b/drivers/clk/clk-s2mps11.c
+@@ -190,16 +190,13 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
+ goto err_reg;
+ }
+
+- s2mps11_clk->lookup = devm_kzalloc(&pdev->dev,
+- sizeof(struct clk_lookup), GFP_KERNEL);
++ s2mps11_clk->lookup = clkdev_alloc(s2mps11_clk->clk,
++ s2mps11_name(s2mps11_clk), NULL);
+ if (!s2mps11_clk->lookup) {
+ ret = -ENOMEM;
+ goto err_lup;
+ }
+
+- s2mps11_clk->lookup->con_id = s2mps11_name(s2mps11_clk);
+- s2mps11_clk->lookup->clk = s2mps11_clk->clk;
+-
+ clkdev_add(s2mps11_clk->lookup);
+ }
+
+diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
+index c2d204315546..125eba86c844 100644
+--- a/drivers/clk/spear/spear3xx_clock.c
++++ b/drivers/clk/spear/spear3xx_clock.c
+@@ -211,7 +211,7 @@ static inline void spear310_clk_init(void) { }
+ /* array of all spear 320 clock lookups */
+ #ifdef CONFIG_MACH_SPEAR320
+
+-#define SPEAR320_CONTROL_REG (soc_config_base + 0x0000)
++#define SPEAR320_CONTROL_REG (soc_config_base + 0x0010)
+ #define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018)
+
+ #define SPEAR320_UARTX_PCLK_MASK 0x1
+diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
+index ad5866c2ada0..c2df33ba23c2 100644
+--- a/drivers/cpufreq/Makefile
++++ b/drivers/cpufreq/Makefile
+@@ -50,7 +50,7 @@ obj-$(CONFIG_ARM_BIG_LITTLE_CPUFREQ) += arm_big_little.o
+ # LITTLE drivers, so that it is probed last.
+ obj-$(CONFIG_ARM_DT_BL_CPUFREQ) += arm_big_little_dt.o
+
+-obj-$(CONFIG_ARCH_DAVINCI_DA850) += davinci-cpufreq.o
++obj-$(CONFIG_ARCH_DAVINCI) += davinci-cpufreq.o
+ obj-$(CONFIG_UX500_SOC_DB8500) += dbx500-cpufreq.o
+ obj-$(CONFIG_ARM_EXYNOS_CPUFREQ) += exynos-cpufreq.o
+ obj-$(CONFIG_ARM_EXYNOS4210_CPUFREQ) += exynos4210-cpufreq.o
+diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
+index d5dc567efd96..f033fadb58e6 100644
+--- a/drivers/cpufreq/intel_pstate.c
++++ b/drivers/cpufreq/intel_pstate.c
+@@ -550,6 +550,7 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
+
+ cpu = all_cpu_data[cpunum];
+
++ cpu->cpu = cpunum;
+ intel_pstate_get_cpu_pstates(cpu);
+ if (!cpu->pstate.current_pstate) {
+ all_cpu_data[cpunum] = NULL;
+@@ -557,7 +558,6 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
+ return -ENODATA;
+ }
+
+- cpu->cpu = cpunum;
+ cpu->pstate_policy =
+ (struct pstate_adjust_policy *)id->driver_data;
+ init_timer_deferrable(&cpu->timer);
+diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
+index c60cdf9e581e..5cd69a7cc241 100644
+--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
++++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
+@@ -74,6 +74,50 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
+ if (base == 0)
+ return 0;
+
++ /* make sure we don't clobber the GTT if it's within stolen memory */
++ if (INTEL_INFO(dev)->gen <= 4 && !IS_G33(dev) && !IS_G4X(dev)) {
++ struct {
++ u32 start, end;
++ } stolen[2] = {
++ { .start = base, .end = base + dev_priv->gtt.stolen_size, },
++ { .start = base, .end = base + dev_priv->gtt.stolen_size, },
++ };
++ u64 gtt_start, gtt_end;
++
++ gtt_start = I915_READ(PGTBL_CTL);
++ if (IS_GEN4(dev))
++ gtt_start = (gtt_start & PGTBL_ADDRESS_LO_MASK) |
++ (gtt_start & PGTBL_ADDRESS_HI_MASK) << 28;
++ else
++ gtt_start &= PGTBL_ADDRESS_LO_MASK;
++ gtt_end = gtt_start + gtt_total_entries(dev_priv->gtt) * 4;
++
++ if (gtt_start >= stolen[0].start && gtt_start < stolen[0].end)
++ stolen[0].end = gtt_start;
++ if (gtt_end > stolen[1].start && gtt_end <= stolen[1].end)
++ stolen[1].start = gtt_end;
++
++ /* pick the larger of the two chunks */
++ if (stolen[0].end - stolen[0].start >
++ stolen[1].end - stolen[1].start) {
++ base = stolen[0].start;
++ dev_priv->gtt.stolen_size = stolen[0].end - stolen[0].start;
++ } else {
++ base = stolen[1].start;
++ dev_priv->gtt.stolen_size = stolen[1].end - stolen[1].start;
++ }
++
++ if (stolen[0].start != stolen[1].start ||
++ stolen[0].end != stolen[1].end) {
++ DRM_DEBUG_KMS("GTT within stolen memory at 0x%llx-0x%llx\n",
++ (unsigned long long) gtt_start,
++ (unsigned long long) gtt_end - 1);
++ DRM_DEBUG_KMS("Stolen memory adjusted to 0x%x-0x%x\n",
++ base, base + (u32) dev_priv->gtt.stolen_size - 1);
++ }
++ }
++
++
+ /* Verify that nothing else uses this physical address. Stolen
+ * memory should be reserved by the BIOS and hidden from the
+ * kernel. So if the region is already marked as busy, something
+diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
+index 375abe708268..998f774b5fff 100644
+--- a/drivers/gpu/drm/i915/i915_reg.h
++++ b/drivers/gpu/drm/i915/i915_reg.h
+@@ -570,6 +570,9 @@
+ /*
+ * Instruction and interrupt control regs
+ */
++#define PGTBL_CTL 0x02020
++#define PGTBL_ADDRESS_LO_MASK 0xfffff000 /* bits [31:12] */
++#define PGTBL_ADDRESS_HI_MASK 0x000000f0 /* bits [35:32] (gen4) */
+ #define PGTBL_ER 0x02024
+ #define RENDER_RING_BASE 0x02000
+ #define BSD_RING_BASE 0x04000
+diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
+index dcb652a6f924..ba8742ab85ee 100644
+--- a/drivers/gpu/drm/radeon/atombios_crtc.c
++++ b/drivers/gpu/drm/radeon/atombios_crtc.c
+@@ -859,14 +859,16 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
+ args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
+ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
+- switch (bpc) {
+- case 8:
+- default:
+- args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
+- break;
+- case 10:
+- args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
+- break;
++ if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
++ switch (bpc) {
++ case 8:
++ default:
++ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
++ break;
++ case 10:
++ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
++ break;
++ }
+ }
+ args.v5.ucTransmitterID = encoder_id;
+ args.v5.ucEncoderMode = encoder_mode;
+@@ -881,20 +883,22 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
+ args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
+ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
+- switch (bpc) {
+- case 8:
+- default:
+- args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
+- break;
+- case 10:
+- args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
+- break;
+- case 12:
+- args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
+- break;
+- case 16:
+- args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
+- break;
++ if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
++ switch (bpc) {
++ case 8:
++ default:
++ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
++ break;
++ case 10:
++ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
++ break;
++ case 12:
++ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
++ break;
++ case 16:
++ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
++ break;
++ }
+ }
+ args.v6.ucTransmitterID = encoder_id;
+ args.v6.ucEncoderMode = encoder_mode;
+diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
+index 00885417ffff..4601969be373 100644
+--- a/drivers/gpu/drm/radeon/atombios_dp.c
++++ b/drivers/gpu/drm/radeon/atombios_dp.c
+@@ -384,6 +384,19 @@ static int dp_get_max_dp_pix_clock(int link_rate,
+
+ /***** radeon specific DP functions *****/
+
++static int radeon_dp_get_max_link_rate(struct drm_connector *connector,
++ u8 dpcd[DP_DPCD_SIZE])
++{
++ int max_link_rate;
++
++ if (radeon_connector_is_dp12_capable(connector))
++ max_link_rate = min(drm_dp_max_link_rate(dpcd), 540000);
++ else
++ max_link_rate = min(drm_dp_max_link_rate(dpcd), 270000);
++
++ return max_link_rate;
++}
++
+ /* First get the min lane# when low rate is used according to pixel clock
+ * (prefer low rate), second check max lane# supported by DP panel,
+ * if the max lane# < low rate lane# then use max lane# instead.
+@@ -393,7 +406,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector,
+ int pix_clock)
+ {
+ int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector));
+- int max_link_rate = drm_dp_max_link_rate(dpcd);
++ int max_link_rate = radeon_dp_get_max_link_rate(connector, dpcd);
+ int max_lane_num = drm_dp_max_lane_count(dpcd);
+ int lane_num;
+ int max_dp_pix_clock;
+@@ -431,7 +444,7 @@ static int radeon_dp_get_dp_link_clock(struct drm_connector *connector,
+ return 540000;
+ }
+
+- return drm_dp_max_link_rate(dpcd);
++ return radeon_dp_get_max_link_rate(connector, dpcd);
+ }
+
+ static u8 radeon_dp_encoder_service(struct radeon_device *rdev,
+diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
+index 7bb7074a131f..583345636d4b 100644
+--- a/drivers/gpu/drm/radeon/atombios_encoders.c
++++ b/drivers/gpu/drm/radeon/atombios_encoders.c
+@@ -1910,8 +1910,11 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
+ args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
+ else
+ args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder);
+- } else
++ } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
++ args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
++ } else {
+ args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder);
++ }
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
+index 79682ff51b63..78e25d2e2fc4 100644
+--- a/drivers/gpu/drm/radeon/ci_dpm.c
++++ b/drivers/gpu/drm/radeon/ci_dpm.c
+@@ -1130,7 +1130,7 @@ static int ci_stop_dpm(struct radeon_device *rdev)
+ tmp &= ~GLOBAL_PWRMGT_EN;
+ WREG32_SMC(GENERAL_PWRMGT, tmp);
+
+- tmp = RREG32(SCLK_PWRMGT_CNTL);
++ tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
+ tmp &= ~DYNAMIC_PM_EN;
+ WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
+
+diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
+index 70e88498a1fd..9c8ef204a3cb 100644
+--- a/drivers/gpu/drm/radeon/cikd.h
++++ b/drivers/gpu/drm/radeon/cikd.h
+@@ -1695,12 +1695,12 @@
+ #define EOP_TC_WB_ACTION_EN (1 << 15) /* L2 */
+ #define EOP_TCL1_ACTION_EN (1 << 16)
+ #define EOP_TC_ACTION_EN (1 << 17) /* L2 */
++#define EOP_TCL2_VOLATILE (1 << 24)
+ #define EOP_CACHE_POLICY(x) ((x) << 25)
+ /* 0 - LRU
+ * 1 - Stream
+ * 2 - Bypass
+ */
+-#define EOP_TCL2_VOLATILE (1 << 27)
+ #define DATA_SEL(x) ((x) << 29)
+ /* 0 - discard
+ * 1 - send low 32bit data
+diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
+index 91bb470de0a3..7143783fb237 100644
+--- a/drivers/gpu/drm/radeon/cypress_dpm.c
++++ b/drivers/gpu/drm/radeon/cypress_dpm.c
+@@ -1549,7 +1549,7 @@ int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
+
+ table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0;
+ table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] =
+- cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
++ cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
+ }
+
+ return 0;
+diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
+index e1b2470d3443..4564bb1ab837 100644
+--- a/drivers/gpu/drm/radeon/evergreen.c
++++ b/drivers/gpu/drm/radeon/evergreen.c
+@@ -188,7 +188,7 @@ static const u32 evergreen_golden_registers[] =
+ 0x8c1c, 0xffffffff, 0x00001010,
+ 0x28350, 0xffffffff, 0x00000000,
+ 0xa008, 0xffffffff, 0x00010000,
+- 0x5cc, 0xffffffff, 0x00000001,
++ 0x5c4, 0xffffffff, 0x00000001,
+ 0x9508, 0xffffffff, 0x00000002,
+ 0x913c, 0x0000000f, 0x0000000a
+ };
+@@ -475,7 +475,7 @@ static const u32 cedar_golden_registers[] =
+ 0x8c1c, 0xffffffff, 0x00001010,
+ 0x28350, 0xffffffff, 0x00000000,
+ 0xa008, 0xffffffff, 0x00010000,
+- 0x5cc, 0xffffffff, 0x00000001,
++ 0x5c4, 0xffffffff, 0x00000001,
+ 0x9508, 0xffffffff, 0x00000002
+ };
+
+@@ -634,7 +634,7 @@ static const u32 juniper_mgcg_init[] =
+ static const u32 supersumo_golden_registers[] =
+ {
+ 0x5eb4, 0xffffffff, 0x00000002,
+- 0x5cc, 0xffffffff, 0x00000001,
++ 0x5c4, 0xffffffff, 0x00000001,
+ 0x7030, 0xffffffff, 0x00000011,
+ 0x7c30, 0xffffffff, 0x00000011,
+ 0x6104, 0x01000300, 0x00000000,
+@@ -718,7 +718,7 @@ static const u32 sumo_golden_registers[] =
+ static const u32 wrestler_golden_registers[] =
+ {
+ 0x5eb4, 0xffffffff, 0x00000002,
+- 0x5cc, 0xffffffff, 0x00000001,
++ 0x5c4, 0xffffffff, 0x00000001,
+ 0x7030, 0xffffffff, 0x00000011,
+ 0x7c30, 0xffffffff, 0x00000011,
+ 0x6104, 0x01000300, 0x00000000,
+diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
+index db0fa617e2f5..85f36e702595 100644
+--- a/drivers/gpu/drm/radeon/ni_dpm.c
++++ b/drivers/gpu/drm/radeon/ni_dpm.c
+@@ -1319,7 +1319,7 @@ static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
+
+ table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
+ table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
+- cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
++ cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
+ }
+ }
+
+diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
+index 64565732cb98..fe90b3e28d88 100644
+--- a/drivers/gpu/drm/radeon/radeon_connectors.c
++++ b/drivers/gpu/drm/radeon/radeon_connectors.c
+@@ -1360,7 +1360,7 @@ bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (ASIC_IS_DCE5(rdev) &&
+- (rdev->clock.dp_extclk >= 53900) &&
++ (rdev->clock.default_dispclk >= 53900) &&
+ radeon_connector_encoder_is_hbr2(connector)) {
+ return true;
+ }
+diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
+index b2b8b38f0319..ed9a997c99a3 100644
+--- a/drivers/gpu/drm/radeon/radeon_cs.c
++++ b/drivers/gpu/drm/radeon/radeon_cs.c
+@@ -97,6 +97,12 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
+ uint32_t domain = r->write_domain ?
+ r->write_domain : r->read_domains;
+
++ if (domain & RADEON_GEM_DOMAIN_CPU) {
++ DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid "
++ "for command submission\n");
++ return -EINVAL;
++ }
++
+ p->relocs[i].lobj.domain = domain;
+ if (domain == RADEON_GEM_DOMAIN_VRAM)
+ domain |= RADEON_GEM_DOMAIN_GTT;
+diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
+index 6acba8017b9a..e0daa4fdb073 100644
+--- a/drivers/gpu/drm/radeon/rs600.c
++++ b/drivers/gpu/drm/radeon/rs600.c
+@@ -582,8 +582,10 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
+ return -EINVAL;
+ }
+ addr = addr & 0xFFFFFFFFFFFFF000ULL;
+- addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
+- addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
++ if (addr != rdev->dummy_page.addr)
++ addr |= R600_PTE_VALID | R600_PTE_READABLE |
++ R600_PTE_WRITEABLE;
++ addr |= R600_PTE_SYSTEM | R600_PTE_SNOOPED;
+ writeq(addr, ptr + (i * 8));
+ return 0;
+ }
+diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
+index a239b30aaf9d..890cf1710253 100644
+--- a/drivers/gpu/drm/radeon/rv770_dpm.c
++++ b/drivers/gpu/drm/radeon/rv770_dpm.c
+@@ -2328,12 +2328,6 @@ void rv770_get_engine_memory_ss(struct radeon_device *rdev)
+ pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_MEMORY_SS, 0);
+
+- /* disable ss, causes hangs on some cayman boards */
+- if (rdev->family == CHIP_CAYMAN) {
+- pi->sclk_ss = false;
+- pi->mclk_ss = false;
+- }
+-
+ if (pi->sclk_ss || pi->mclk_ss)
+ pi->dynamic_ss = true;
+ else
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+index 021b5227e783..1b0f34bd3a03 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+@@ -179,7 +179,6 @@ static int vmw_fb_set_par(struct fb_info *info)
+ vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, info->var.yoffset);
+ vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres);
+ vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres);
+- vmw_write(vmw_priv, SVGA_REG_BYTES_PER_LINE, info->fix.line_length);
+ vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
+ }
+
+diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
+index ec0ae2d1686a..6866448083b2 100644
+--- a/drivers/gpu/vga/vga_switcheroo.c
++++ b/drivers/gpu/vga/vga_switcheroo.c
+@@ -623,7 +623,8 @@ static int vga_switcheroo_runtime_suspend(struct device *dev)
+ ret = dev->bus->pm->runtime_suspend(dev);
+ if (ret)
+ return ret;
+-
++ if (vgasr_priv.handler->switchto)
++ vgasr_priv.handler->switchto(VGA_SWITCHEROO_IGD);
+ vga_switcheroo_power_switch(pdev, VGA_SWITCHEROO_OFF);
+ return 0;
+ }
+diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
+index 8dd98d4fc124..59ef4e7afdd7 100644
+--- a/drivers/hv/connection.c
++++ b/drivers/hv/connection.c
+@@ -320,9 +320,13 @@ static void process_chn_event(u32 relid)
+ */
+
+ do {
+- hv_begin_read(&channel->inbound);
++ if (read_state)
++ hv_begin_read(&channel->inbound);
+ channel->onchannel_callback(arg);
+- bytes_to_read = hv_end_read(&channel->inbound);
++ if (read_state)
++ bytes_to_read = hv_end_read(&channel->inbound);
++ else
++ bytes_to_read = 0;
+ } while (read_state && (bytes_to_read != 0));
+ } else {
+ pr_err("no channel callback for relid - %u\n", relid);
+diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
+index 29dd9f746dfa..233b374334ed 100644
+--- a/drivers/hwmon/adm1021.c
++++ b/drivers/hwmon/adm1021.c
+@@ -185,7 +185,7 @@ static ssize_t set_temp_max(struct device *dev,
+ struct i2c_client *client = to_i2c_client(dev);
+ struct adm1021_data *data = i2c_get_clientdata(client);
+ long temp;
+- int err;
++ int reg_val, err;
+
+ err = kstrtol(buf, 10, &temp);
+ if (err)
+@@ -193,10 +193,11 @@ static ssize_t set_temp_max(struct device *dev,
+ temp /= 1000;
+
+ mutex_lock(&data->update_lock);
+- data->temp_max[index] = clamp_val(temp, -128, 127);
++ reg_val = clamp_val(temp, -128, 127);
++ data->temp_max[index] = reg_val * 1000;
+ if (!read_only)
+ i2c_smbus_write_byte_data(client, ADM1021_REG_TOS_W(index),
+- data->temp_max[index]);
++ reg_val);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+@@ -210,7 +211,7 @@ static ssize_t set_temp_min(struct device *dev,
+ struct i2c_client *client = to_i2c_client(dev);
+ struct adm1021_data *data = i2c_get_clientdata(client);
+ long temp;
+- int err;
++ int reg_val, err;
+
+ err = kstrtol(buf, 10, &temp);
+ if (err)
+@@ -218,10 +219,11 @@ static ssize_t set_temp_min(struct device *dev,
+ temp /= 1000;
+
+ mutex_lock(&data->update_lock);
+- data->temp_min[index] = clamp_val(temp, -128, 127);
++ reg_val = clamp_val(temp, -128, 127);
++ data->temp_min[index] = reg_val * 1000;
+ if (!read_only)
+ i2c_smbus_write_byte_data(client, ADM1021_REG_THYST_W(index),
+- data->temp_min[index]);
++ reg_val);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
+index 9ee5e066423b..39441e5d922c 100644
+--- a/drivers/hwmon/adm1029.c
++++ b/drivers/hwmon/adm1029.c
+@@ -232,6 +232,9 @@ static ssize_t set_fan_div(struct device *dev,
+ /* Update the value */
+ reg = (reg & 0x3F) | (val << 6);
+
++ /* Update the cache */
++ data->fan_div[attr->index] = reg;
++
+ /* Write value */
+ i2c_smbus_write_byte_data(client,
+ ADM1029_REG_FAN_DIV[attr->index], reg);
+diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
+index 253ea396106d..bdceca0d7e22 100644
+--- a/drivers/hwmon/adm1031.c
++++ b/drivers/hwmon/adm1031.c
+@@ -365,6 +365,7 @@ set_auto_temp_min(struct device *dev, struct device_attribute *attr,
+ if (ret)
+ return ret;
+
++ val = clamp_val(val, 0, 127000);
+ mutex_lock(&data->update_lock);
+ data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]);
+ adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr),
+@@ -394,6 +395,7 @@ set_auto_temp_max(struct device *dev, struct device_attribute *attr,
+ if (ret)
+ return ret;
+
++ val = clamp_val(val, 0, 127000);
+ mutex_lock(&data->update_lock);
+ data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr],
+ data->pwm[nr]);
+@@ -696,7 +698,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
+ if (ret)
+ return ret;
+
+- val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875);
++ val = clamp_val(val, -55000, 127000);
+ mutex_lock(&data->update_lock);
+ data->temp_min[nr] = TEMP_TO_REG(val);
+ adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr),
+@@ -717,7 +719,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
+ if (ret)
+ return ret;
+
+- val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875);
++ val = clamp_val(val, -55000, 127000);
+ mutex_lock(&data->update_lock);
+ data->temp_max[nr] = TEMP_TO_REG(val);
+ adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr),
+@@ -738,7 +740,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
+ if (ret)
+ return ret;
+
+- val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875);
++ val = clamp_val(val, -55000, 127000);
+ mutex_lock(&data->update_lock);
+ data->temp_crit[nr] = TEMP_TO_REG(val);
+ adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr),
+diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
+index eea817296513..9f2be3dd28f3 100644
+--- a/drivers/hwmon/amc6821.c
++++ b/drivers/hwmon/amc6821.c
+@@ -704,7 +704,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP1_MAX);
+ static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP1_CRIT);
+-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR,
++static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO,
+ get_temp, NULL, IDX_TEMP2_INPUT);
+ static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP2_MIN);
+diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
+index 2c137b26acb4..5790246a7e1d 100644
+--- a/drivers/hwmon/emc2103.c
++++ b/drivers/hwmon/emc2103.c
+@@ -250,9 +250,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da,
+ if (result < 0)
+ return result;
+
+- val = DIV_ROUND_CLOSEST(val, 1000);
+- if ((val < -63) || (val > 127))
+- return -EINVAL;
++ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127);
+
+ mutex_lock(&data->update_lock);
+ data->temp_min[nr] = val;
+@@ -274,9 +272,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da,
+ if (result < 0)
+ return result;
+
+- val = DIV_ROUND_CLOSEST(val, 1000);
+- if ((val < -63) || (val > 127))
+- return -EINVAL;
++ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127);
+
+ mutex_lock(&data->update_lock);
+ data->temp_max[nr] = val;
+@@ -390,15 +386,14 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da,
+ {
+ struct emc2103_data *data = emc2103_update_device(dev);
+ struct i2c_client *client = to_i2c_client(dev);
+- long rpm_target;
++ unsigned long rpm_target;
+
+- int result = kstrtol(buf, 10, &rpm_target);
++ int result = kstrtoul(buf, 10, &rpm_target);
+ if (result < 0)
+ return result;
+
+ /* Datasheet states 16384 as maximum RPM target (table 3.2) */
+- if ((rpm_target < 0) || (rpm_target > 16384))
+- return -EINVAL;
++ rpm_target = clamp_val(rpm_target, 0, 16384);
+
+ mutex_lock(&data->update_lock);
+
+diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
+index 70a39a8ac016..554f5c3fe5c4 100644
+--- a/drivers/hwmon/ina2xx.c
++++ b/drivers/hwmon/ina2xx.c
+@@ -148,7 +148,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg)
+
+ switch (reg) {
+ case INA2XX_SHUNT_VOLTAGE:
+- val = DIV_ROUND_CLOSEST(data->regs[reg],
++ /* signed register */
++ val = DIV_ROUND_CLOSEST((s16)data->regs[reg],
+ data->config->shunt_div);
+ break;
+ case INA2XX_BUS_VOLTAGE:
+@@ -160,8 +161,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg)
+ val = data->regs[reg] * data->config->power_lsb;
+ break;
+ case INA2XX_CURRENT:
+- /* LSB=1mA (selected). Is in mA */
+- val = data->regs[reg];
++ /* signed register, LSB=1mA (selected), in mA */
++ val = (s16)data->regs[reg];
+ break;
+ default:
+ /* programmer goofed */
+diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
+index a952538a1a8b..b9ed661293a7 100644
+--- a/drivers/iio/adc/ti_am335x_adc.c
++++ b/drivers/iio/adc/ti_am335x_adc.c
+@@ -155,7 +155,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
+ if (time_after(jiffies, timeout))
+ return -EAGAIN;
+ }
+- map_val = chan->channel + TOTAL_CHANNELS;
++ map_val = adc_dev->channel_step[chan->scan_index];
+
+ /*
+ * When the sub-system is first enabled,
+diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
+index 0cf5f8e06cfc..1e8e94d4db7d 100644
+--- a/drivers/iio/inkern.c
++++ b/drivers/iio/inkern.c
+@@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
+ else if (name && index >= 0) {
+ pr_err("ERROR: could not get IIO channel %s:%s(%i)\n",
+ np->full_name, name ? name : "", index);
+- return chan;
++ return NULL;
+ }
+
+ /*
+@@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
+ */
+ np = np->parent;
+ if (np && !of_get_property(np, "io-channel-ranges", NULL))
+- break;
++ return NULL;
+ }
++
+ return chan;
+ }
+
+@@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev,
+ if (channel != NULL)
+ return channel;
+ }
++
+ return iio_channel_get_sys(name, channel_name);
+ }
+ EXPORT_SYMBOL_GPL(iio_channel_get);
+diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
+index f0d588f8859e..1acb99100556 100644
+--- a/drivers/infiniband/core/user_mad.c
++++ b/drivers/infiniband/core/user_mad.c
+@@ -98,7 +98,7 @@ struct ib_umad_port {
+
+ struct ib_umad_device {
+ int start_port, end_port;
+- struct kref ref;
++ struct kobject kobj;
+ struct ib_umad_port port[0];
+ };
+
+@@ -134,14 +134,18 @@ static DECLARE_BITMAP(dev_map, IB_UMAD_MAX_PORTS);
+ static void ib_umad_add_one(struct ib_device *device);
+ static void ib_umad_remove_one(struct ib_device *device);
+
+-static void ib_umad_release_dev(struct kref *ref)
++static void ib_umad_release_dev(struct kobject *kobj)
+ {
+ struct ib_umad_device *dev =
+- container_of(ref, struct ib_umad_device, ref);
++ container_of(kobj, struct ib_umad_device, kobj);
+
+ kfree(dev);
+ }
+
++static struct kobj_type ib_umad_dev_ktype = {
++ .release = ib_umad_release_dev,
++};
++
+ static int hdr_size(struct ib_umad_file *file)
+ {
+ return file->use_pkey_index ? sizeof (struct ib_user_mad_hdr) :
+@@ -780,27 +784,19 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
+ {
+ struct ib_umad_port *port;
+ struct ib_umad_file *file;
+- int ret;
++ int ret = -ENXIO;
+
+ port = container_of(inode->i_cdev, struct ib_umad_port, cdev);
+- if (port)
+- kref_get(&port->umad_dev->ref);
+- else
+- return -ENXIO;
+
+ mutex_lock(&port->file_mutex);
+
+- if (!port->ib_dev) {
+- ret = -ENXIO;
++ if (!port->ib_dev)
+ goto out;
+- }
+
++ ret = -ENOMEM;
+ file = kzalloc(sizeof *file, GFP_KERNEL);
+- if (!file) {
+- kref_put(&port->umad_dev->ref, ib_umad_release_dev);
+- ret = -ENOMEM;
++ if (!file)
+ goto out;
+- }
+
+ mutex_init(&file->mutex);
+ spin_lock_init(&file->send_lock);
+@@ -814,6 +810,13 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
+ list_add_tail(&file->port_list, &port->file_list);
+
+ ret = nonseekable_open(inode, filp);
++ if (ret) {
++ list_del(&file->port_list);
++ kfree(file);
++ goto out;
++ }
++
++ kobject_get(&port->umad_dev->kobj);
+
+ out:
+ mutex_unlock(&port->file_mutex);
+@@ -852,7 +855,7 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
+ mutex_unlock(&file->port->file_mutex);
+
+ kfree(file);
+- kref_put(&dev->ref, ib_umad_release_dev);
++ kobject_put(&dev->kobj);
+
+ return 0;
+ }
+@@ -880,10 +883,6 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp)
+ int ret;
+
+ port = container_of(inode->i_cdev, struct ib_umad_port, sm_cdev);
+- if (port)
+- kref_get(&port->umad_dev->ref);
+- else
+- return -ENXIO;
+
+ if (filp->f_flags & O_NONBLOCK) {
+ if (down_trylock(&port->sm_sem)) {
+@@ -898,17 +897,27 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp)
+ }
+
+ ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
+- if (ret) {
+- up(&port->sm_sem);
+- goto fail;
+- }
++ if (ret)
++ goto err_up_sem;
+
+ filp->private_data = port;
+
+- return nonseekable_open(inode, filp);
++ ret = nonseekable_open(inode, filp);
++ if (ret)
++ goto err_clr_sm_cap;
++
++ kobject_get(&port->umad_dev->kobj);
++
++ return 0;
++
++err_clr_sm_cap:
++ swap(props.set_port_cap_mask, props.clr_port_cap_mask);
++ ib_modify_port(port->ib_dev, port->port_num, 0, &props);
++
++err_up_sem:
++ up(&port->sm_sem);
+
+ fail:
+- kref_put(&port->umad_dev->ref, ib_umad_release_dev);
+ return ret;
+ }
+
+@@ -927,7 +936,7 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp)
+
+ up(&port->sm_sem);
+
+- kref_put(&port->umad_dev->ref, ib_umad_release_dev);
++ kobject_put(&port->umad_dev->kobj);
+
+ return ret;
+ }
+@@ -995,6 +1004,7 @@ static int find_overflow_devnum(void)
+ }
+
+ static int ib_umad_init_port(struct ib_device *device, int port_num,
++ struct ib_umad_device *umad_dev,
+ struct ib_umad_port *port)
+ {
+ int devnum;
+@@ -1027,6 +1037,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
+
+ cdev_init(&port->cdev, &umad_fops);
+ port->cdev.owner = THIS_MODULE;
++ port->cdev.kobj.parent = &umad_dev->kobj;
+ kobject_set_name(&port->cdev.kobj, "umad%d", port->dev_num);
+ if (cdev_add(&port->cdev, base, 1))
+ goto err_cdev;
+@@ -1045,6 +1056,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
+ base += IB_UMAD_MAX_PORTS;
+ cdev_init(&port->sm_cdev, &umad_sm_fops);
+ port->sm_cdev.owner = THIS_MODULE;
++ port->sm_cdev.kobj.parent = &umad_dev->kobj;
+ kobject_set_name(&port->sm_cdev.kobj, "issm%d", port->dev_num);
+ if (cdev_add(&port->sm_cdev, base, 1))
+ goto err_sm_cdev;
+@@ -1138,7 +1150,7 @@ static void ib_umad_add_one(struct ib_device *device)
+ if (!umad_dev)
+ return;
+
+- kref_init(&umad_dev->ref);
++ kobject_init(&umad_dev->kobj, &ib_umad_dev_ktype);
+
+ umad_dev->start_port = s;
+ umad_dev->end_port = e;
+@@ -1146,7 +1158,8 @@ static void ib_umad_add_one(struct ib_device *device)
+ for (i = s; i <= e; ++i) {
+ umad_dev->port[i - s].umad_dev = umad_dev;
+
+- if (ib_umad_init_port(device, i, &umad_dev->port[i - s]))
++ if (ib_umad_init_port(device, i, umad_dev,
++ &umad_dev->port[i - s]))
+ goto err;
+ }
+
+@@ -1158,7 +1171,7 @@ err:
+ while (--i >= s)
+ ib_umad_kill_port(&umad_dev->port[i - s]);
+
+- kref_put(&umad_dev->ref, ib_umad_release_dev);
++ kobject_put(&umad_dev->kobj);
+ }
+
+ static void ib_umad_remove_one(struct ib_device *device)
+@@ -1172,7 +1185,7 @@ static void ib_umad_remove_one(struct ib_device *device)
+ for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i)
+ ib_umad_kill_port(&umad_dev->port[i]);
+
+- kref_put(&umad_dev->ref, ib_umad_release_dev);
++ kobject_put(&umad_dev->kobj);
+ }
+
+ static char *umad_devnode(struct device *dev, umode_t *mode)
+diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
+index e2f9a51f4a38..45802e97332e 100644
+--- a/drivers/infiniband/hw/ipath/ipath_diag.c
++++ b/drivers/infiniband/hw/ipath/ipath_diag.c
+@@ -346,6 +346,10 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
+ ret = -EFAULT;
+ goto bail;
+ }
++ dp.len = odp.len;
++ dp.unit = odp.unit;
++ dp.data = odp.data;
++ dp.pbc_wd = 0;
+ } else {
+ ret = -EINVAL;
+ goto bail;
+diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
+index 344ab03948a3..706833ab7e7e 100644
+--- a/drivers/infiniband/hw/mlx5/cq.c
++++ b/drivers/infiniband/hw/mlx5/cq.c
+@@ -32,6 +32,7 @@
+
+ #include <linux/kref.h>
+ #include <rdma/ib_umem.h>
++#include <rdma/ib_user_verbs.h>
+ #include "mlx5_ib.h"
+ #include "user.h"
+
+@@ -518,14 +519,24 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
+ int *cqe_size, int *index, int *inlen)
+ {
+ struct mlx5_ib_create_cq ucmd;
++ size_t ucmdlen;
+ int page_shift;
+ int npages;
+ int ncont;
+ int err;
+
+- if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
++ ucmdlen =
++ (udata->inlen - sizeof(struct ib_uverbs_cmd_hdr) <
++ sizeof(ucmd)) ? (sizeof(ucmd) -
++ sizeof(ucmd.reserved)) : sizeof(ucmd);
++
++ if (ib_copy_from_udata(&ucmd, udata, ucmdlen))
+ return -EFAULT;
+
++ if (ucmdlen == sizeof(ucmd) &&
++ ucmd.reserved != 0)
++ return -EINVAL;
++
+ if (ucmd.cqe_size != 64 && ucmd.cqe_size != 128)
+ return -EINVAL;
+
+diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
+index 0aa478bc291a..47a1f0a9c926 100644
+--- a/drivers/infiniband/hw/mlx5/srq.c
++++ b/drivers/infiniband/hw/mlx5/srq.c
+@@ -35,6 +35,7 @@
+ #include <linux/mlx5/srq.h>
+ #include <linux/slab.h>
+ #include <rdma/ib_umem.h>
++#include <rdma/ib_user_verbs.h>
+
+ #include "mlx5_ib.h"
+ #include "user.h"
+@@ -78,16 +79,27 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
+ {
+ struct mlx5_ib_dev *dev = to_mdev(pd->device);
+ struct mlx5_ib_create_srq ucmd;
++ size_t ucmdlen;
+ int err;
+ int npages;
+ int page_shift;
+ int ncont;
+ u32 offset;
+
+- if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
++ ucmdlen =
++ (udata->inlen - sizeof(struct ib_uverbs_cmd_hdr) <
++ sizeof(ucmd)) ? (sizeof(ucmd) -
++ sizeof(ucmd.reserved)) : sizeof(ucmd);
++
++ if (ib_copy_from_udata(&ucmd, udata, ucmdlen)) {
+ mlx5_ib_dbg(dev, "failed copy udata\n");
+ return -EFAULT;
+ }
++
++ if (ucmdlen == sizeof(ucmd) &&
++ ucmd.reserved != 0)
++ return -EINVAL;
++
+ srq->wq_sig = !!(ucmd.flags & MLX5_SRQ_FLAG_SIGNATURE);
+
+ srq->umem = ib_umem_get(pd->uobject->context, ucmd.buf_addr, buf_size,
+diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h
+index a886de3e593c..84fea5d00cd2 100644
+--- a/drivers/infiniband/hw/mlx5/user.h
++++ b/drivers/infiniband/hw/mlx5/user.h
+@@ -84,6 +84,7 @@ struct mlx5_ib_create_cq {
+ __u64 buf_addr;
+ __u64 db_addr;
+ __u32 cqe_size;
++ __u32 reserved; /* explicit padding (optional on i386) */
+ };
+
+ struct mlx5_ib_create_cq_resp {
+@@ -99,6 +100,7 @@ struct mlx5_ib_create_srq {
+ __u64 buf_addr;
+ __u64 db_addr;
+ __u32 flags;
++ __u32 reserved; /* explicit padding (optional on i386) */
+ };
+
+ struct mlx5_ib_create_srq_resp {
+diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
+index ccb119143d20..1dd9fcbb7c9a 100644
+--- a/drivers/infiniband/hw/qib/qib_mad.c
++++ b/drivers/infiniband/hw/qib/qib_mad.c
+@@ -1028,7 +1028,7 @@ static int set_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys)
+
+ event.event = IB_EVENT_PKEY_CHANGE;
+ event.device = &dd->verbs_dev.ibdev;
+- event.element.port_num = 1;
++ event.element.port_num = port;
+ ib_dispatch_event(&event);
+ }
+ return 0;
+diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
+index 17b58f4f0681..024fa025a7ab 100644
+--- a/drivers/infiniband/ulp/srp/ib_srp.c
++++ b/drivers/infiniband/ulp/srp/ib_srp.c
+@@ -1412,6 +1412,12 @@ err_unmap:
+ err_iu:
+ srp_put_tx_iu(target, iu, SRP_IU_CMD);
+
++ /*
++ * Avoid that the loops that iterate over the request ring can
++ * encounter a dangling SCSI command pointer.
++ */
++ req->scmnd = NULL;
++
+ spin_lock_irqsave(&target->lock, flags);
+ list_add(&req->list, &target->free_reqs);
+
+diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
+index 230cdcf8e6fe..233516aff595 100644
+--- a/drivers/input/mouse/elantech.c
++++ b/drivers/input/mouse/elantech.c
+@@ -473,8 +473,15 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse,
+ input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
+ input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
+ input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
+- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
++
++ /* For clickpads map both buttons to BTN_LEFT */
++ if (etd->fw_version & 0x001000) {
++ input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
++ } else {
++ input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
++ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
++ }
++
+ input_report_abs(dev, ABS_PRESSURE, pres);
+ input_report_abs(dev, ABS_TOOL_WIDTH, width);
+
+@@ -484,10 +491,17 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse,
+ static void elantech_input_sync_v4(struct psmouse *psmouse)
+ {
+ struct input_dev *dev = psmouse->dev;
++ struct elantech_data *etd = psmouse->private;
+ unsigned char *packet = psmouse->packet;
+
+- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
++ /* For clickpads map both buttons to BTN_LEFT */
++ if (etd->fw_version & 0x001000) {
++ input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
++ } else {
++ input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
++ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
++ }
++
+ input_mt_report_pointer_emulation(dev, true);
+ input_sync(dev);
+ }
+@@ -835,7 +849,7 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse)
+ if (etd->set_hw_resolution)
+ etd->reg_10 = 0x0b;
+ else
+- etd->reg_10 = 0x03;
++ etd->reg_10 = 0x01;
+
+ if (elantech_write_reg(psmouse, 0x10, etd->reg_10))
+ rc = -1;
+@@ -1336,7 +1350,8 @@ static int elantech_reconnect(struct psmouse *psmouse)
+ }
+
+ /*
+- * Some hw_version 3 models go into error state when we try to set bit 3 of r10
++ * Some hw_version 3 models go into error state when we try to set
++ * bit 3 and/or bit 1 of r10.
+ */
+ static const struct dmi_system_id no_hw_res_dmi_table[] = {
+ #if defined(CONFIG_DMI) && defined(CONFIG_X86)
+diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c
+index 8527743b5cef..391b9cea73ed 100644
+--- a/drivers/irqchip/spear-shirq.c
++++ b/drivers/irqchip/spear-shirq.c
+@@ -125,7 +125,7 @@ static struct spear_shirq spear320_shirq_ras2 = {
+ };
+
+ static struct spear_shirq spear320_shirq_ras3 = {
+- .irq_nr = 3,
++ .irq_nr = 7,
+ .irq_bit_off = 0,
+ .invalid_irq = 1,
+ .regs = {
+diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
+index 2a20986a2fec..e60c2eaea7bb 100644
+--- a/drivers/md/dm-io.c
++++ b/drivers/md/dm-io.c
+@@ -10,6 +10,7 @@
+ #include <linux/device-mapper.h>
+
+ #include <linux/bio.h>
++#include <linux/completion.h>
+ #include <linux/mempool.h>
+ #include <linux/module.h>
+ #include <linux/sched.h>
+@@ -32,7 +33,7 @@ struct dm_io_client {
+ struct io {
+ unsigned long error_bits;
+ atomic_t count;
+- struct task_struct *sleeper;
++ struct completion *wait;
+ struct dm_io_client *client;
+ io_notify_fn callback;
+ void *context;
+@@ -121,8 +122,8 @@ static void dec_count(struct io *io, unsigned int region, int error)
+ invalidate_kernel_vmap_range(io->vma_invalidate_address,
+ io->vma_invalidate_size);
+
+- if (io->sleeper)
+- wake_up_process(io->sleeper);
++ if (io->wait)
++ complete(io->wait);
+
+ else {
+ unsigned long r = io->error_bits;
+@@ -385,6 +386,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
+ */
+ volatile char io_[sizeof(struct io) + __alignof__(struct io) - 1];
+ struct io *io = (struct io *)PTR_ALIGN(&io_, __alignof__(struct io));
++ DECLARE_COMPLETION_ONSTACK(wait);
+
+ if (num_regions > 1 && (rw & RW_MASK) != WRITE) {
+ WARN_ON(1);
+@@ -393,7 +395,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
+
+ io->error_bits = 0;
+ atomic_set(&io->count, 1); /* see dispatch_io() */
+- io->sleeper = current;
++ io->wait = &wait;
+ io->client = client;
+
+ io->vma_invalidate_address = dp->vma_invalidate_address;
+@@ -401,15 +403,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
+
+ dispatch_io(rw, num_regions, where, dp, io, 1);
+
+- while (1) {
+- set_current_state(TASK_UNINTERRUPTIBLE);
+-
+- if (!atomic_read(&io->count))
+- break;
+-
+- io_schedule();
+- }
+- set_current_state(TASK_RUNNING);
++ wait_for_completion_io(&wait);
+
+ if (error_bits)
+ *error_bits = io->error_bits;
+@@ -432,7 +426,7 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions,
+ io = mempool_alloc(client->pool, GFP_NOIO);
+ io->error_bits = 0;
+ atomic_set(&io->count, 1); /* see dispatch_io() */
+- io->sleeper = NULL;
++ io->wait = NULL;
+ io->client = client;
+ io->callback = fn;
+ io->context = context;
+diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
+index e4cc196634c1..f8c36d30eca8 100644
+--- a/drivers/md/dm-thin.c
++++ b/drivers/md/dm-thin.c
+@@ -2695,7 +2695,8 @@ static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits)
+ */
+ if (pt->adjusted_pf.discard_passdown) {
+ data_limits = &bdev_get_queue(pt->data_dev->bdev)->limits;
+- limits->discard_granularity = data_limits->discard_granularity;
++ limits->discard_granularity = max(data_limits->discard_granularity,
++ pool->sectors_per_block << SECTOR_SHIFT);
+ } else
+ limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
+ }
+diff --git a/drivers/md/md.c b/drivers/md/md.c
+index c98e681fc9fc..bf030d4b09a7 100644
+--- a/drivers/md/md.c
++++ b/drivers/md/md.c
+@@ -7484,6 +7484,19 @@ void md_do_sync(struct md_thread *thread)
+ rdev->recovery_offset < j)
+ j = rdev->recovery_offset;
+ rcu_read_unlock();
++
++ /* If there is a bitmap, we need to make sure all
++ * writes that started before we added a spare
++ * complete before we start doing a recovery.
++ * Otherwise the write might complete and (via
++ * bitmap_endwrite) set a bit in the bitmap after the
++ * recovery has checked that bit and skipped that
++ * region.
++ */
++ if (mddev->bitmap) {
++ mddev->pers->quiesce(mddev, 1);
++ mddev->pers->quiesce(mddev, 0);
++ }
+ }
+
+ printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev));
+diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
+index 375a880e0c5f..54e8ba45c3ad 100644
+--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
++++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
+@@ -246,6 +246,9 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
+ case MMC_RSP_R1:
+ rsp_type = SD_RSP_TYPE_R1;
+ break;
++ case MMC_RSP_R1 & ~MMC_RSP_CRC:
++ rsp_type = SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7;
++ break;
+ case MMC_RSP_R1B:
+ rsp_type = SD_RSP_TYPE_R1b;
+ break;
+diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
+index 20657209a472..c31d183820c5 100644
+--- a/drivers/mtd/nand/fsl_elbc_nand.c
++++ b/drivers/mtd/nand/fsl_elbc_nand.c
+@@ -725,6 +725,19 @@ static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+ return 0;
+ }
+
++/* ECC will be calculated automatically, and errors will be detected in
++ * waitfunc.
++ */
++static int fsl_elbc_write_subpage(struct mtd_info *mtd, struct nand_chip *chip,
++ uint32_t offset, uint32_t data_len,
++ const uint8_t *buf, int oob_required)
++{
++ fsl_elbc_write_buf(mtd, buf, mtd->writesize);
++ fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
++
++ return 0;
++}
++
+ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
+ {
+ struct fsl_lbc_ctrl *ctrl = priv->ctrl;
+@@ -763,6 +776,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
+
+ chip->ecc.read_page = fsl_elbc_read_page;
+ chip->ecc.write_page = fsl_elbc_write_page;
++ chip->ecc.write_subpage = fsl_elbc_write_subpage;
+
+ /* If CS Base Register selects full hardware ECC then use it */
+ if ((in_be32(&lbc->bank[priv->bank].br) & BR_DECC) ==
+diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
+index 4ecf0e5fd484..0332d0b2d73a 100644
+--- a/drivers/mtd/nand/omap2.c
++++ b/drivers/mtd/nand/omap2.c
+@@ -1463,7 +1463,7 @@ static int omap_elm_correct_data(struct mtd_info *mtd, u_char *data,
+
+ /* Check if any error reported */
+ if (!is_error_reported)
+- return 0;
++ return stat;
+
+ /* Decode BCH error using ELM module */
+ elm_decode_bch_error_page(info->elm_dev, ecc_vec, err_vec);
+diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
+index 46dfb1378c17..81576c6c31e0 100644
+--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
++++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
+@@ -726,6 +726,7 @@ static int emac_open(struct net_device *dev)
+
+ ret = emac_mdio_probe(dev);
+ if (ret < 0) {
++ free_irq(dev->irq, dev);
+ netdev_err(dev, "cannot probe MDIO bus\n");
+ return ret;
+ }
+diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
+index e85d34b76039..ebcce00ce067 100644
+--- a/drivers/net/wireless/b43/xmit.c
++++ b/drivers/net/wireless/b43/xmit.c
+@@ -810,9 +810,13 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
+ break;
+ case B43_PHYTYPE_G:
+ status.band = IEEE80211_BAND_2GHZ;
+- /* chanid is the radio channel cookie value as used
+- * to tune the radio. */
+- status.freq = chanid + 2400;
++ /* Somewhere between 478.104 and 508.1084 firmware for G-PHY
++ * has been modified to be compatible with N-PHY and others.
++ */
++ if (dev->fw.rev >= 508)
++ status.freq = ieee80211_channel_to_frequency(chanid, status.band);
++ else
++ status.freq = chanid + 2400;
+ break;
+ case B43_PHYTYPE_N:
+ case B43_PHYTYPE_LP:
+diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
+index 7bdaf06b8f5a..dc875f4befef 100644
+--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
++++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
+@@ -345,6 +345,7 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
+ {
+ int ret;
+ int t = 0;
++ int iter;
+
+ IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n");
+
+@@ -353,18 +354,23 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
+ if (ret >= 0)
+ return 0;
+
+- /* If HW is not ready, prepare the conditions to check again */
+- iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
+- CSR_HW_IF_CONFIG_REG_PREPARE);
++ for (iter = 0; iter < 10; iter++) {
++ /* If HW is not ready, prepare the conditions to check again */
++ iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
++ CSR_HW_IF_CONFIG_REG_PREPARE);
++
++ do {
++ ret = iwl_pcie_set_hw_ready(trans);
++ if (ret >= 0)
++ return 0;
+
+- do {
+- ret = iwl_pcie_set_hw_ready(trans);
+- if (ret >= 0)
+- return 0;
++ usleep_range(200, 1000);
++ t += 200;
++ } while (t < 150000);
++ msleep(25);
++ }
+
+- usleep_range(200, 1000);
+- t += 200;
+- } while (t < 150000);
++ IWL_DEBUG_INFO(trans, "got NIC after %d iterations\n", iter);
+
+ return ret;
+ }
+diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
+index 0ac5c589ddce..13f557a44a62 100644
+--- a/drivers/net/wireless/rt2x00/rt2500pci.c
++++ b/drivers/net/wireless/rt2x00/rt2500pci.c
+@@ -1684,8 +1684,13 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
+ /*
+ * Detect if this device has an hardware controlled radio.
+ */
+- if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
++ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) {
+ __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
++ /*
++ * On this device RFKILL initialized during probe does not work.
++ */
++ __set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags);
++ }
+
+ /*
+ * Check if the BBP tuning should be enabled.
+diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
+index fe4c572db52c..89dbf2db93da 100644
+--- a/drivers/net/wireless/rt2x00/rt2x00.h
++++ b/drivers/net/wireless/rt2x00/rt2x00.h
+@@ -705,6 +705,7 @@ enum rt2x00_capability_flags {
+ REQUIRE_SW_SEQNO,
+ REQUIRE_HT_TX_DESC,
+ REQUIRE_PS_AUTOWAKE,
++ REQUIRE_DELAYED_RFKILL,
+
+ /*
+ * Capabilities
+diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
+index f12e909cbb48..6ccfa0a671e7 100644
+--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
+@@ -1128,9 +1128,10 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
+ return;
+
+ /*
+- * Unregister extra components.
++ * Stop rfkill polling.
+ */
+- rt2x00rfkill_unregister(rt2x00dev);
++ if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
++ rt2x00rfkill_unregister(rt2x00dev);
+
+ /*
+ * Allow the HW to uninitialize.
+@@ -1168,6 +1169,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
+
+ set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags);
+
++ /*
++ * Start rfkill polling.
++ */
++ if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
++ rt2x00rfkill_register(rt2x00dev);
++
+ return 0;
+ }
+
+@@ -1377,7 +1384,12 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
+ rt2x00link_register(rt2x00dev);
+ rt2x00leds_register(rt2x00dev);
+ rt2x00debug_register(rt2x00dev);
+- rt2x00rfkill_register(rt2x00dev);
++
++ /*
++ * Start rfkill polling.
++ */
++ if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
++ rt2x00rfkill_register(rt2x00dev);
+
+ return 0;
+
+@@ -1393,6 +1405,12 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
+ clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
+
+ /*
++ * Stop rfkill polling.
++ */
++ if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
++ rt2x00rfkill_unregister(rt2x00dev);
++
++ /*
+ * Disable radio.
+ */
+ rt2x00lib_disable_radio(rt2x00dev);
+diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
+index 2b724fc4e306..c03748dafd49 100644
+--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
++++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
+@@ -489,6 +489,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ crypto.cipher = rt2x00crypto_key_to_cipher(key);
+ if (crypto.cipher == CIPHER_NONE)
+ return -EOPNOTSUPP;
++ if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev))
++ return -EOPNOTSUPP;
+
+ crypto.cmd = cmd;
+
+diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
+index 9fc3f1f4557b..4108166ffdf4 100644
+--- a/drivers/pci/pci.c
++++ b/drivers/pci/pci.c
+@@ -4135,7 +4135,7 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode,
+ u16 cmd;
+ int rc;
+
+- WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) & (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
++ WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) && (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
+
+ /* ARCH specific VGA enables */
+ rc = pci_set_vga_state_arch(dev, decode, command_bits, flags);
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index f6c31fabf3af..3af18b94d0d3 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -2953,6 +2953,7 @@ static void disable_igfx_irq(struct pci_dev *dev)
+ }
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
+
+ /*
+ * Some devices may pass our check in pci_intx_mask_supported if
+diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
+index fa764406df68..c5bb0e0a36b9 100644
+--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
++++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
+@@ -185,6 +185,11 @@ static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue)
+ if (crq->valid & 0x80) {
+ if (++queue->cur == queue->size)
+ queue->cur = 0;
++
++ /* Ensure the read of the valid bit occurs before reading any
++ * other bits of the CRQ entry
++ */
++ rmb();
+ } else
+ crq = NULL;
+ spin_unlock_irqrestore(&queue->lock, flags);
+@@ -203,6 +208,11 @@ static int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata,
+ {
+ struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+
++ /*
++ * Ensure the command buffer is flushed to memory before handing it
++ * over to the VIOS to prevent it from fetching any stale data.
++ */
++ mb();
+ return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2);
+ }
+
+@@ -797,7 +807,8 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
+ evt->hostdata->dev);
+ if (evt->cmnd_done)
+ evt->cmnd_done(evt->cmnd);
+- } else if (evt->done)
++ } else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT &&
++ evt->iu.srp.login_req.opcode != SRP_LOGIN_REQ)
+ evt->done(evt);
+ free_event_struct(&evt->hostdata->pool, evt);
+ spin_lock_irqsave(hostdata->host->host_lock, flags);
+diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
+index 83e591b60193..9ba3642cb19e 100644
+--- a/drivers/scsi/scsi_error.c
++++ b/drivers/scsi/scsi_error.c
+@@ -143,7 +143,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
+ else if (host->hostt->eh_timed_out)
+ rtn = host->hostt->eh_timed_out(scmd);
+
+- scmd->result |= DID_TIME_OUT << 16;
++ set_host_byte(scmd, DID_TIME_OUT);
+
+ if (unlikely(rtn == BLK_EH_NOT_HANDLED &&
+ !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD)))
+diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
+index d92fe4037e94..6b349e301869 100644
+--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
++++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
+@@ -3000,7 +3000,11 @@ sym_dequeue_from_squeue(struct sym_hcb *np, int i, int target, int lun, int task
+ if ((target == -1 || cp->target == target) &&
+ (lun == -1 || cp->lun == lun) &&
+ (task == -1 || cp->tag == task)) {
++#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
+ sym_set_cam_status(cp->cmd, DID_SOFT_ERROR);
++#else
++ sym_set_cam_status(cp->cmd, DID_REQUEUE);
++#endif
+ sym_remque(&cp->link_ccbq);
+ sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
+ }
+diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
+index 95a5d73e675c..11f5326f449f 100644
+--- a/drivers/scsi/virtio_scsi.c
++++ b/drivers/scsi/virtio_scsi.c
+@@ -270,6 +270,16 @@ static void virtscsi_req_done(struct virtqueue *vq)
+ virtscsi_vq_done(vscsi, req_vq, virtscsi_complete_cmd);
+ };
+
++static void virtscsi_poll_requests(struct virtio_scsi *vscsi)
++{
++ int i, num_vqs;
++
++ num_vqs = vscsi->num_queues;
++ for (i = 0; i < num_vqs; i++)
++ virtscsi_vq_done(vscsi, &vscsi->req_vqs[i],
++ virtscsi_complete_cmd);
++}
++
+ static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf)
+ {
+ struct virtio_scsi_cmd *cmd = buf;
+@@ -288,6 +298,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq)
+ virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free);
+ };
+
++static void virtscsi_handle_event(struct work_struct *work);
++
+ static int virtscsi_kick_event(struct virtio_scsi *vscsi,
+ struct virtio_scsi_event_node *event_node)
+ {
+@@ -295,6 +307,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi,
+ struct scatterlist sg;
+ unsigned long flags;
+
++ INIT_WORK(&event_node->work, virtscsi_handle_event);
+ sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
+
+ spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
+@@ -412,7 +425,6 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf)
+ {
+ struct virtio_scsi_event_node *event_node = buf;
+
+- INIT_WORK(&event_node->work, virtscsi_handle_event);
+ schedule_work(&event_node->work);
+ }
+
+@@ -602,6 +614,18 @@ static int virtscsi_tmf(struct virtio_scsi *vscsi, struct virtio_scsi_cmd *cmd)
+ cmd->resp.tmf.response == VIRTIO_SCSI_S_FUNCTION_SUCCEEDED)
+ ret = SUCCESS;
+
++ /*
++ * The spec guarantees that all requests related to the TMF have
++ * been completed, but the callback might not have run yet if
++ * we're using independent interrupts (e.g. MSI). Poll the
++ * virtqueues once.
++ *
++ * In the abort case, sc->scsi_done will do nothing, because
++ * the block layer must have detected a timeout and as a result
++ * REQ_ATOM_COMPLETE has been set.
++ */
++ virtscsi_poll_requests(vscsi);
++
+ out:
+ mempool_free(cmd, virtscsi_cmd_pool);
+ return ret;
+diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
+index f99162542df2..d2ff40680208 100644
+--- a/drivers/target/iscsi/iscsi_target.c
++++ b/drivers/target/iscsi/iscsi_target.c
+@@ -1305,7 +1305,7 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf,
+ if (cmd->data_direction != DMA_TO_DEVICE) {
+ pr_err("Command ITT: 0x%08x received DataOUT for a"
+ " NON-WRITE command.\n", cmd->init_task_tag);
+- return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, buf);
++ return iscsit_dump_data_payload(conn, payload_length, 1);
+ }
+ se_cmd = &cmd->se_cmd;
+ iscsit_mod_dataout_timer(cmd);
+diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
+index f140a0eac985..8d44bec42e95 100644
+--- a/drivers/target/iscsi/iscsi_target_login.c
++++ b/drivers/target/iscsi/iscsi_target_login.c
+@@ -1198,7 +1198,7 @@ old_sess_out:
+ static int __iscsi_target_login_thread(struct iscsi_np *np)
+ {
+ u8 *buffer, zero_tsih = 0;
+- int ret = 0, rc, stop;
++ int ret = 0, rc;
+ struct iscsi_conn *conn = NULL;
+ struct iscsi_login *login;
+ struct iscsi_portal_group *tpg = NULL;
+@@ -1212,6 +1212,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
+ if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
+ np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
+ complete(&np->np_restart_comp);
++ } else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) {
++ spin_unlock_bh(&np->np_thread_lock);
++ goto exit;
+ } else {
+ np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
+ }
+@@ -1404,10 +1407,8 @@ old_sess_out:
+ }
+
+ out:
+- stop = kthread_should_stop();
+- /* Wait for another socket.. */
+- if (!stop)
+- return 1;
++ return 1;
++
+ exit:
+ iscsi_stop_login_thread_timer(np);
+ spin_lock_bh(&np->np_thread_lock);
+@@ -1424,7 +1425,7 @@ int iscsi_target_login_thread(void *arg)
+
+ allow_signal(SIGINT);
+
+- while (!kthread_should_stop()) {
++ while (1) {
+ ret = __iscsi_target_login_thread(np);
+ /*
+ * We break and exit here unless another sock_accept() call
+diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
+index 1039de499bc6..658c9c77ec04 100644
+--- a/drivers/target/iscsi/iscsi_target_util.c
++++ b/drivers/target/iscsi/iscsi_target_util.c
+@@ -1294,6 +1294,8 @@ int iscsit_tx_login_rsp(struct iscsi_conn *conn, u8 status_class, u8 status_deta
+ login->login_failed = 1;
+ iscsit_collect_login_stats(conn, status_class, status_detail);
+
++ memset(&login->rsp[0], 0, ISCSI_HDR_LEN);
++
+ hdr = (struct iscsi_login_rsp *)&login->rsp[0];
+ hdr->opcode = ISCSI_OP_LOGIN_RSP;
+ hdr->status_class = status_class;
+diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
+index e31ec5cf0c36..c7a3c5e2b1b3 100644
+--- a/drivers/target/target_core_device.c
++++ b/drivers/target/target_core_device.c
+@@ -617,6 +617,7 @@ void core_dev_unexport(
+ dev->export_count--;
+ spin_unlock(&hba->device_lock);
+
++ lun->lun_sep = NULL;
+ lun->lun_se_dev = NULL;
+ }
+
+diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
+index fdb07199d9c2..1967bee4f076 100644
+--- a/drivers/thermal/thermal_hwmon.c
++++ b/drivers/thermal/thermal_hwmon.c
+@@ -140,6 +140,12 @@ thermal_hwmon_lookup_temp(const struct thermal_hwmon_device *hwmon,
+ return NULL;
+ }
+
++static bool thermal_zone_crit_temp_valid(struct thermal_zone_device *tz)
++{
++ unsigned long temp;
++ return tz->ops->get_crit_temp && !tz->ops->get_crit_temp(tz, &temp);
++}
++
+ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
+ {
+ struct thermal_hwmon_device *hwmon;
+@@ -189,21 +195,18 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
+ if (result)
+ goto free_temp_mem;
+
+- if (tz->ops->get_crit_temp) {
+- unsigned long temperature;
+- if (!tz->ops->get_crit_temp(tz, &temperature)) {
+- snprintf(temp->temp_crit.name,
+- sizeof(temp->temp_crit.name),
++ if (thermal_zone_crit_temp_valid(tz)) {
++ snprintf(temp->temp_crit.name,
++ sizeof(temp->temp_crit.name),
+ "temp%d_crit", hwmon->count);
+- temp->temp_crit.attr.attr.name = temp->temp_crit.name;
+- temp->temp_crit.attr.attr.mode = 0444;
+- temp->temp_crit.attr.show = temp_crit_show;
+- sysfs_attr_init(&temp->temp_crit.attr.attr);
+- result = device_create_file(hwmon->device,
+- &temp->temp_crit.attr);
+- if (result)
+- goto unregister_input;
+- }
++ temp->temp_crit.attr.attr.name = temp->temp_crit.name;
++ temp->temp_crit.attr.attr.mode = 0444;
++ temp->temp_crit.attr.show = temp_crit_show;
++ sysfs_attr_init(&temp->temp_crit.attr.attr);
++ result = device_create_file(hwmon->device,
++ &temp->temp_crit.attr);
++ if (result)
++ goto unregister_input;
+ }
+
+ mutex_lock(&thermal_hwmon_list_lock);
+@@ -250,7 +253,7 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
+ }
+
+ device_remove_file(hwmon->device, &temp->temp_input.attr);
+- if (tz->ops->get_crit_temp)
++ if (thermal_zone_crit_temp_valid(tz))
+ device_remove_file(hwmon->device, &temp->temp_crit.attr);
+
+ mutex_lock(&thermal_hwmon_list_lock);
+diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
+index bd73dc25b41d..eac1b0d5b463 100644
+--- a/drivers/tty/n_tty.c
++++ b/drivers/tty/n_tty.c
+@@ -1210,15 +1210,16 @@ static void n_tty_receive_parity_error(struct tty_struct *tty, unsigned char c)
+ {
+ struct n_tty_data *ldata = tty->disc_data;
+
+- if (I_IGNPAR(tty))
+- return;
+- if (I_PARMRK(tty)) {
+- put_tty_queue('\377', ldata);
+- put_tty_queue('\0', ldata);
+- put_tty_queue(c, ldata);
+- } else if (I_INPCK(tty))
+- put_tty_queue('\0', ldata);
+- else
++ if (I_INPCK(tty)) {
++ if (I_IGNPAR(tty))
++ return;
++ if (I_PARMRK(tty)) {
++ put_tty_queue('\377', ldata);
++ put_tty_queue('\0', ldata);
++ put_tty_queue(c, ldata);
++ } else
++ put_tty_queue('\0', ldata);
++ } else
+ put_tty_queue(c, ldata);
+ wake_up_interruptible(&tty->read_wait);
+ }
+diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
+index bf9d2ac9c9ed..04c8772639d3 100644
+--- a/drivers/tty/serial/8250/8250_core.c
++++ b/drivers/tty/serial/8250/8250_core.c
+@@ -2356,7 +2356,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
+ port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= UART_LSR_FE | UART_LSR_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= UART_LSR_BI;
+
+ /*
+diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
+index 501667e3e3f5..323376668b72 100644
+--- a/drivers/tty/serial/altera_uart.c
++++ b/drivers/tty/serial/altera_uart.c
+@@ -185,6 +185,12 @@ static void altera_uart_set_termios(struct uart_port *port,
+ uart_update_timeout(port, termios->c_cflag, baud);
+ altera_uart_writel(port, baudclk, ALTERA_UART_DIVISOR_REG);
+ spin_unlock_irqrestore(&port->lock, flags);
++
++ /*
++ * FIXME: port->read_status_mask and port->ignore_status_mask
++ * need to be initialized based on termios settings for
++ * INPCK, IGNBRK, IGNPAR, PARMRK, BRKINT
++ */
+ }
+
+ static void altera_uart_rx_chars(struct altera_uart *pp)
+diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c
+index 8b90f0b6dfdf..40bff818b947 100644
+--- a/drivers/tty/serial/amba-pl010.c
++++ b/drivers/tty/serial/amba-pl010.c
+@@ -420,7 +420,7 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios,
+ uap->port.read_status_mask = UART01x_RSR_OE;
+ if (termios->c_iflag & INPCK)
+ uap->port.read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ uap->port.read_status_mask |= UART01x_RSR_BE;
+
+ /*
+diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
+index 1440d0b4a7bc..a976ba99a006 100644
+--- a/drivers/tty/serial/amba-pl011.c
++++ b/drivers/tty/serial/amba-pl011.c
+@@ -1731,7 +1731,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
+ port->read_status_mask = UART011_DR_OE | 255;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= UART011_DR_FE | UART011_DR_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= UART011_DR_BE;
+
+ /*
+diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
+index 41bb8387e80d..3b301a7ec662 100644
+--- a/drivers/tty/serial/atmel_serial.c
++++ b/drivers/tty/serial/atmel_serial.c
+@@ -1794,7 +1794,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
+ port->read_status_mask = ATMEL_US_OVRE;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= (ATMEL_US_FRAME | ATMEL_US_PARE);
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= ATMEL_US_RXBRK;
+
+ if (atmel_use_pdc_rx(port))
+diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
+index 649d5129c4b4..88b07adedaef 100644
+--- a/drivers/tty/serial/bcm63xx_uart.c
++++ b/drivers/tty/serial/bcm63xx_uart.c
+@@ -568,7 +568,7 @@ static void bcm_uart_set_termios(struct uart_port *port,
+ port->read_status_mask |= UART_FIFO_FRAMEERR_MASK;
+ port->read_status_mask |= UART_FIFO_PARERR_MASK;
+ }
+- if (new->c_iflag & (BRKINT))
++ if (new->c_iflag & (IGNBRK | BRKINT))
+ port->read_status_mask |= UART_FIFO_BRKDET_MASK;
+
+ port->ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c
+index 3c75e8e04028..8d3046909c23 100644
+--- a/drivers/tty/serial/bfin_uart.c
++++ b/drivers/tty/serial/bfin_uart.c
+@@ -833,7 +833,7 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
+ port->read_status_mask = OE;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= (FE | PE);
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= BI;
+
+ /*
+diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
+index 2f2b2e538a54..cdbbc788230a 100644
+--- a/drivers/tty/serial/dz.c
++++ b/drivers/tty/serial/dz.c
+@@ -625,7 +625,7 @@ static void dz_set_termios(struct uart_port *uport, struct ktermios *termios,
+ dport->port.read_status_mask = DZ_OERR;
+ if (termios->c_iflag & INPCK)
+ dport->port.read_status_mask |= DZ_FERR | DZ_PERR;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ dport->port.read_status_mask |= DZ_BREAK;
+
+ /* characters to ignore */
+diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c
+index 0eb5b5673ede..948f17b6b497 100644
+--- a/drivers/tty/serial/efm32-uart.c
++++ b/drivers/tty/serial/efm32-uart.c
+@@ -407,7 +407,7 @@ static void efm32_uart_set_termios(struct uart_port *port,
+ if (new->c_iflag & INPCK)
+ port->read_status_mask |=
+ UARTn_RXDATAX_FERR | UARTn_RXDATAX_PERR;
+- if (new->c_iflag & (BRKINT | PARMRK))
++ if (new->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= SW_UARTn_RXDATAX_BERR;
+
+ port->ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
+index 8978dc9a58b7..175f123f4f09 100644
+--- a/drivers/tty/serial/fsl_lpuart.c
++++ b/drivers/tty/serial/fsl_lpuart.c
+@@ -496,7 +496,7 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios,
+ sport->port.read_status_mask = 0;
+ if (termios->c_iflag & INPCK)
+ sport->port.read_status_mask |= (UARTSR1_FE | UARTSR1_PE);
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ sport->port.read_status_mask |= UARTSR1_FE;
+
+ /* characters to ignore */
+diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c
+index cb3c81eb0996..a90f4089d080 100644
+--- a/drivers/tty/serial/ip22zilog.c
++++ b/drivers/tty/serial/ip22zilog.c
+@@ -850,7 +850,7 @@ ip22zilog_convert_to_zs(struct uart_ip22zilog_port *up, unsigned int cflag,
+ up->port.read_status_mask = Rx_OVR;
+ if (iflag & INPCK)
+ up->port.read_status_mask |= CRC_ERR | PAR_ERR;
+- if (iflag & (BRKINT | PARMRK))
++ if (iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= BRK_ABRT;
+
+ up->port.ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c
+index 9cd9b4eba9fc..68f2c53e0b54 100644
+--- a/drivers/tty/serial/m32r_sio.c
++++ b/drivers/tty/serial/m32r_sio.c
+@@ -737,7 +737,7 @@ static void m32r_sio_set_termios(struct uart_port *port,
+ up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
+ if (termios->c_iflag & INPCK)
+ up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= UART_LSR_BI;
+
+ /*
+diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
+index b2e707aa603a..518364311b75 100644
+--- a/drivers/tty/serial/max310x.c
++++ b/drivers/tty/serial/max310x.c
+@@ -842,7 +842,7 @@ static void max310x_set_termios(struct uart_port *port,
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= MAX310X_LSR_RXPAR_BIT |
+ MAX310X_LSR_FRERR_BIT;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= MAX310X_LSR_RXBRK_BIT;
+
+ /* Set status ignore mask */
+diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c
+index 0edfaf8cd269..a6f085717f94 100644
+--- a/drivers/tty/serial/mcf.c
++++ b/drivers/tty/serial/mcf.c
+@@ -248,6 +248,12 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
+ mr1 |= MCFUART_MR1_PARITYNONE;
+ }
+
++ /*
++ * FIXME: port->read_status_mask and port->ignore_status_mask
++ * need to be initialized based on termios settings for
++ * INPCK, IGNBRK, IGNPAR, PARMRK, BRKINT
++ */
++
+ if (termios->c_cflag & CSTOPB)
+ mr2 |= MCFUART_MR2_STOP2;
+ else
+diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
+index d3db042f649e..81ad559ee9cb 100644
+--- a/drivers/tty/serial/mfd.c
++++ b/drivers/tty/serial/mfd.c
+@@ -975,7 +975,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
+ up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
+ if (termios->c_iflag & INPCK)
+ up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= UART_LSR_BI;
+
+ /* Characters to ignore */
+diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c
+index 8d702677acc5..76749f404b68 100644
+--- a/drivers/tty/serial/mpsc.c
++++ b/drivers/tty/serial/mpsc.c
+@@ -1458,7 +1458,7 @@ static void mpsc_set_termios(struct uart_port *port, struct ktermios *termios,
+ pi->port.read_status_mask |= SDMA_DESC_CMDSTAT_PE
+ | SDMA_DESC_CMDSTAT_FR;
+
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ pi->port.read_status_mask |= SDMA_DESC_CMDSTAT_BR;
+
+ /* Characters/events to ignore */
+diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
+index b5d779cd3c2b..c0f2b3e5452f 100644
+--- a/drivers/tty/serial/msm_serial.c
++++ b/drivers/tty/serial/msm_serial.c
+@@ -570,7 +570,7 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios,
+ port->read_status_mask = 0;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= UART_SR_PAR_FRAME_ERR;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= UART_SR_RX_BREAK;
+
+ uart_update_timeout(port, termios->c_cflag, baud);
+diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
+index 10e9d70b5c40..ea96c39b387d 100644
+--- a/drivers/tty/serial/mxs-auart.c
++++ b/drivers/tty/serial/mxs-auart.c
+@@ -600,7 +600,7 @@ static void mxs_auart_settermios(struct uart_port *u,
+
+ if (termios->c_iflag & INPCK)
+ u->read_status_mask |= AUART_STAT_PERR;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ u->read_status_mask |= AUART_STAT_BERR;
+
+ /*
+diff --git a/drivers/tty/serial/netx-serial.c b/drivers/tty/serial/netx-serial.c
+index 0a4dd70d29eb..7a6745601d4e 100644
+--- a/drivers/tty/serial/netx-serial.c
++++ b/drivers/tty/serial/netx-serial.c
+@@ -419,7 +419,7 @@ netx_set_termios(struct uart_port *port, struct ktermios *termios,
+ }
+
+ port->read_status_mask = 0;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= SR_BE;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= SR_PE | SR_FE;
+diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
+index 5ba30e078236..409d7ad0ac75 100644
+--- a/drivers/tty/serial/pmac_zilog.c
++++ b/drivers/tty/serial/pmac_zilog.c
+@@ -1090,7 +1090,7 @@ static void pmz_convert_to_zs(struct uart_pmac_port *uap, unsigned int cflag,
+ uap->port.read_status_mask = Rx_OVR;
+ if (iflag & INPCK)
+ uap->port.read_status_mask |= CRC_ERR | PAR_ERR;
+- if (iflag & (BRKINT | PARMRK))
++ if (iflag & (IGNBRK | BRKINT | PARMRK))
+ uap->port.read_status_mask |= BRK_ABRT;
+
+ uap->port.ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/pnx8xxx_uart.c b/drivers/tty/serial/pnx8xxx_uart.c
+index de6c05c63683..2ba24a45c97f 100644
+--- a/drivers/tty/serial/pnx8xxx_uart.c
++++ b/drivers/tty/serial/pnx8xxx_uart.c
+@@ -477,7 +477,7 @@ pnx8xxx_set_termios(struct uart_port *port, struct ktermios *termios,
+ sport->port.read_status_mask |=
+ FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE) |
+ FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR);
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ sport->port.read_status_mask |=
+ ISTAT_TO_SM(PNX8XXX_UART_INT_BREAK);
+
+diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
+index f9f20f383760..fc3f308cd6c1 100644
+--- a/drivers/tty/serial/pxa.c
++++ b/drivers/tty/serial/pxa.c
+@@ -492,7 +492,7 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios,
+ up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
+ if (termios->c_iflag & INPCK)
+ up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= UART_LSR_BI;
+
+ /*
+diff --git a/drivers/tty/serial/sb1250-duart.c b/drivers/tty/serial/sb1250-duart.c
+index a7cdec2962dd..771f361c47ea 100644
+--- a/drivers/tty/serial/sb1250-duart.c
++++ b/drivers/tty/serial/sb1250-duart.c
+@@ -596,7 +596,7 @@ static void sbd_set_termios(struct uart_port *uport, struct ktermios *termios,
+ if (termios->c_iflag & INPCK)
+ uport->read_status_mask |= M_DUART_FRM_ERR |
+ M_DUART_PARITY_ERR;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ uport->read_status_mask |= M_DUART_RCVD_BRK;
+
+ uport->ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
+index 49e9bbfe6cab..0ea128a76b1b 100644
+--- a/drivers/tty/serial/sccnxp.c
++++ b/drivers/tty/serial/sccnxp.c
+@@ -667,7 +667,7 @@ static void sccnxp_set_termios(struct uart_port *port,
+ port->read_status_mask = SR_OVR;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= SR_PE | SR_FE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= SR_BRK;
+
+ /* Set status ignore mask */
+diff --git a/drivers/tty/serial/serial_ks8695.c b/drivers/tty/serial/serial_ks8695.c
+index e1caa99e3d3b..5c79bdab985d 100644
+--- a/drivers/tty/serial/serial_ks8695.c
++++ b/drivers/tty/serial/serial_ks8695.c
+@@ -437,7 +437,7 @@ static void ks8695uart_set_termios(struct uart_port *port, struct ktermios *term
+ port->read_status_mask = URLS_URROE;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= (URLS_URFE | URLS_URPE);
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= URLS_URBI;
+
+ /*
+diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
+index 440a962412da..ce13f42814a3 100644
+--- a/drivers/tty/serial/serial_txx9.c
++++ b/drivers/tty/serial/serial_txx9.c
+@@ -702,7 +702,7 @@ serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
+ TXX9_SIDISR_TDIS | TXX9_SIDISR_RDIS;
+ if (termios->c_iflag & INPCK)
+ up->port.read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= TXX9_SIDISR_UBRK;
+
+ /*
+diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
+index a72c33f8e263..6904818d3424 100644
+--- a/drivers/tty/serial/sirfsoc_uart.c
++++ b/drivers/tty/serial/sirfsoc_uart.c
+@@ -897,7 +897,7 @@ static void sirfsoc_uart_set_termios(struct uart_port *port,
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= uint_en->sirfsoc_frm_err_en;
+ }
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= uint_en->sirfsoc_rxd_brk_en;
+ if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) {
+ if (termios->c_iflag & IGNPAR)
+diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
+index 21e6e84c0df8..0ee31755cb5a 100644
+--- a/drivers/tty/serial/st-asc.c
++++ b/drivers/tty/serial/st-asc.c
+@@ -547,7 +547,7 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios,
+ ascport->port.read_status_mask = ASC_RXBUF_DUMMY_OE;
+ if (termios->c_iflag & INPCK)
+ ascport->port.read_status_mask |= ASC_RXBUF_FE | ASC_RXBUF_PE;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ ascport->port.read_status_mask |= ASC_RXBUF_DUMMY_BE;
+
+ /*
+diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c
+index 5d6136b2a04a..2fee558f2b13 100644
+--- a/drivers/tty/serial/sunsab.c
++++ b/drivers/tty/serial/sunsab.c
+@@ -719,7 +719,7 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla
+ if (iflag & INPCK)
+ up->port.read_status_mask |= (SAB82532_ISR0_PERR |
+ SAB82532_ISR0_FERR);
+- if (iflag & (BRKINT | PARMRK))
++ if (iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= (SAB82532_ISR1_BRK << 8);
+
+ /*
+diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
+index 699cc1b5f6aa..c41a5b8b717f 100644
+--- a/drivers/tty/serial/sunsu.c
++++ b/drivers/tty/serial/sunsu.c
+@@ -834,7 +834,7 @@ sunsu_change_speed(struct uart_port *port, unsigned int cflag,
+ up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
+ if (iflag & INPCK)
+ up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE;
+- if (iflag & (BRKINT | PARMRK))
++ if (iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= UART_LSR_BI;
+
+ /*
+diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
+index 135a15203532..ed92578eba4e 100644
+--- a/drivers/tty/serial/sunzilog.c
++++ b/drivers/tty/serial/sunzilog.c
+@@ -915,7 +915,7 @@ sunzilog_convert_to_zs(struct uart_sunzilog_port *up, unsigned int cflag,
+ up->port.read_status_mask = Rx_OVR;
+ if (iflag & INPCK)
+ up->port.read_status_mask |= CRC_ERR | PAR_ERR;
+- if (iflag & (BRKINT | PARMRK))
++ if (iflag & (IGNBRK | BRKINT | PARMRK))
+ up->port.read_status_mask |= BRK_ABRT;
+
+ up->port.ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
+index 88317482b81f..37df3897cb5a 100644
+--- a/drivers/tty/serial/ucc_uart.c
++++ b/drivers/tty/serial/ucc_uart.c
+@@ -934,7 +934,7 @@ static void qe_uart_set_termios(struct uart_port *port,
+ port->read_status_mask = BD_SC_EMPTY | BD_SC_OV;
+ if (termios->c_iflag & INPCK)
+ port->read_status_mask |= BD_SC_FR | BD_SC_PR;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= BD_SC_BR;
+
+ /*
+diff --git a/drivers/tty/serial/vr41xx_siu.c b/drivers/tty/serial/vr41xx_siu.c
+index a63c14bc9a24..db0c8a4ab03e 100644
+--- a/drivers/tty/serial/vr41xx_siu.c
++++ b/drivers/tty/serial/vr41xx_siu.c
+@@ -559,7 +559,7 @@ static void siu_set_termios(struct uart_port *port, struct ktermios *new,
+ port->read_status_mask = UART_LSR_THRE | UART_LSR_OE | UART_LSR_DR;
+ if (c_iflag & INPCK)
+ port->read_status_mask |= UART_LSR_FE | UART_LSR_PE;
+- if (c_iflag & (BRKINT | PARMRK))
++ if (c_iflag & (IGNBRK | BRKINT | PARMRK))
+ port->read_status_mask |= UART_LSR_BI;
+
+ port->ignore_status_mask = 0;
+diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c
+index 6a169877109b..2b65bb7ffb8a 100644
+--- a/drivers/tty/serial/zs.c
++++ b/drivers/tty/serial/zs.c
+@@ -923,7 +923,7 @@ static void zs_set_termios(struct uart_port *uport, struct ktermios *termios,
+ uport->read_status_mask = Rx_OVR;
+ if (termios->c_iflag & INPCK)
+ uport->read_status_mask |= FRM_ERR | PAR_ERR;
+- if (termios->c_iflag & (BRKINT | PARMRK))
++ if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
+ uport->read_status_mask |= Rx_BRK;
+
+ uport->ignore_status_mask = 0;
+diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
+index 938426ae30de..a18c2cfafe6d 100644
+--- a/drivers/usb/chipidea/udc.c
++++ b/drivers/usb/chipidea/udc.c
+@@ -1325,6 +1325,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
+ struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req);
+ unsigned long flags;
++ struct td_node *node, *tmpnode;
+
+ if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY ||
+ hwep->ep.desc == NULL || list_empty(&hwreq->queue) ||
+@@ -1335,6 +1336,12 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
+
+ hw_ep_flush(hwep->ci, hwep->num, hwep->dir);
+
++ list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) {
++ dma_pool_free(hwep->td_pool, node->ptr, node->dma);
++ list_del(&node->td);
++ kfree(node);
++ }
++
+ /* pop request */
+ list_del_init(&hwreq->queue);
+
+diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
+index 44cf775a8627..c3067f4f213a 100644
+--- a/drivers/usb/gadget/f_fs.c
++++ b/drivers/usb/gadget/f_fs.c
+@@ -1389,11 +1389,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev)
+ ffs->ep0req->context = ffs;
+
+ lang = ffs->stringtabs;
+- for (lang = ffs->stringtabs; *lang; ++lang) {
+- struct usb_string *str = (*lang)->strings;
+- int id = first_id;
+- for (; str->s; ++id, ++str)
+- str->id = id;
++ if (lang) {
++ for (; *lang; ++lang) {
++ struct usb_string *str = (*lang)->strings;
++ int id = first_id;
++ for (; str->s; ++id, ++str)
++ str->id = id;
++ }
+ }
+
+ ffs->gadget = cdev->gadget;
+diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
+index 1dbfb52dbcd6..6118e292d5df 100644
+--- a/drivers/usb/host/xhci-ring.c
++++ b/drivers/usb/host/xhci-ring.c
+@@ -3633,7 +3633,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci,
+ return 0;
+
+ max_burst = urb->ep->ss_ep_comp.bMaxBurst;
+- return roundup(total_packet_count, max_burst + 1) - 1;
++ return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
+ }
+
+ /*
+diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
+index 01aa4c9fa558..e3d12f164430 100644
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -926,7 +926,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
+ */
+ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
+ {
+- u32 command, temp = 0;
++ u32 command, temp = 0, status;
+ struct usb_hcd *hcd = xhci_to_hcd(xhci);
+ struct usb_hcd *secondary_hcd;
+ int retval = 0;
+@@ -1045,8 +1045,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
+
+ done:
+ if (retval == 0) {
+- usb_hcd_resume_root_hub(hcd);
+- usb_hcd_resume_root_hub(xhci->shared_hcd);
++ /* Resume root hubs only when have pending events. */
++ status = readl(&xhci->op_regs->status);
++ if (status & STS_EINT) {
++ usb_hcd_resume_root_hub(hcd);
++ usb_hcd_resume_root_hub(xhci->shared_hcd);
++ }
+ }
+
+ /*
+diff --git a/drivers/usb/musb/musb_am335x.c b/drivers/usb/musb/musb_am335x.c
+index 41ac5b5b57ce..83b97dc409dc 100644
+--- a/drivers/usb/musb/musb_am335x.c
++++ b/drivers/usb/musb/musb_am335x.c
+@@ -20,21 +20,6 @@ err:
+ return ret;
+ }
+
+-static int of_remove_populated_child(struct device *dev, void *d)
+-{
+- struct platform_device *pdev = to_platform_device(dev);
+-
+- of_device_unregister(pdev);
+- return 0;
+-}
+-
+-static int am335x_child_remove(struct platform_device *pdev)
+-{
+- device_for_each_child(&pdev->dev, NULL, of_remove_populated_child);
+- pm_runtime_disable(&pdev->dev);
+- return 0;
+-}
+-
+ static const struct of_device_id am335x_child_of_match[] = {
+ { .compatible = "ti,am33xx-usb" },
+ { },
+@@ -43,13 +28,17 @@ MODULE_DEVICE_TABLE(of, am335x_child_of_match);
+
+ static struct platform_driver am335x_child_driver = {
+ .probe = am335x_child_probe,
+- .remove = am335x_child_remove,
+ .driver = {
+ .name = "am335x-usb-childs",
+ .of_match_table = of_match_ptr(am335x_child_of_match),
+ },
+ };
+
+-module_platform_driver(am335x_child_driver);
++static int __init am335x_child_init(void)
++{
++ return platform_driver_register(&am335x_child_driver);
++}
++module_init(am335x_child_init);
++
+ MODULE_DESCRIPTION("AM33xx child devices");
+ MODULE_LICENSE("GPL v2");
+diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
+index 0c593afc3185..cc319305c022 100644
+--- a/drivers/usb/musb/musb_cppi41.c
++++ b/drivers/usb/musb/musb_cppi41.c
+@@ -266,7 +266,7 @@ static void cppi41_dma_callback(void *private_data)
+ }
+ list_add_tail(&cppi41_channel->tx_check,
+ &controller->early_tx_list);
+- if (!hrtimer_active(&controller->early_tx)) {
++ if (!hrtimer_is_queued(&controller->early_tx)) {
+ hrtimer_start_range_ns(&controller->early_tx,
+ ktime_set(0, 140 * NSEC_PER_USEC),
+ 40 * NSEC_PER_USEC,
+diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
+index 59256b12f746..8264256271f8 100644
+--- a/drivers/usb/musb/ux500.c
++++ b/drivers/usb/musb/ux500.c
+@@ -275,7 +275,6 @@ static int ux500_probe(struct platform_device *pdev)
+ musb->dev.parent = &pdev->dev;
+ musb->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+ musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask;
+- musb->dev.of_node = pdev->dev.of_node;
+
+ glue->dev = &pdev->dev;
+ glue->musb = musb;
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index 71873cafb9d3..1db213a6e843 100644
+--- a/drivers/usb/serial/cp210x.c
++++ b/drivers/usb/serial/cp210x.c
+@@ -153,6 +153,7 @@ static const struct usb_device_id id_table[] = {
+ { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
+ { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
+ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
++ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
+ { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
+ { USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
+ { USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 503c89e18187..e0bf8ee1f976 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -721,7 +721,8 @@ static struct usb_device_id id_table_combined [] = {
+ { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
+- { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
++ { USB_DEVICE(TESTO_VID, TESTO_1_PID) },
++ { USB_DEVICE(TESTO_VID, TESTO_3_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
+@@ -945,6 +946,8 @@ static struct usb_device_id id_table_combined [] = {
+ { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
+ { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
+ { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
++ /* Infineon Devices */
++ { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
+ { } /* Terminating entry */
+ };
+
+@@ -1567,14 +1570,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
+ struct usb_device *udev = serial->dev;
+
+ struct usb_interface *interface = serial->interface;
+- struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
++ struct usb_endpoint_descriptor *ep_desc;
+
+ unsigned num_endpoints;
+- int i;
++ unsigned i;
+
+ num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
+ dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
+
++ if (!num_endpoints)
++ return;
++
+ /* NOTE: some customers have programmed FT232R/FT245R devices
+ * with an endpoint size of 0 - not good. In this case, we
+ * want to override the endpoint descriptor setting and use a
+diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
+index 500474c48f4b..c4777bc6aee0 100644
+--- a/drivers/usb/serial/ftdi_sio_ids.h
++++ b/drivers/usb/serial/ftdi_sio_ids.h
+@@ -584,6 +584,12 @@
+ #define RATOC_PRODUCT_ID_USB60F 0xb020
+
+ /*
++ * Infineon Technologies
++ */
++#define INFINEON_VID 0x058b
++#define INFINEON_TRIBOARD_PID 0x0028 /* DAS JTAG TriBoard TC1798 V1.0 */
++
++/*
+ * Acton Research Corp.
+ */
+ #define ACTON_VID 0x0647 /* Vendor ID */
+@@ -798,7 +804,8 @@
+ * Submitted by Colin Leroy
+ */
+ #define TESTO_VID 0x128D
+-#define TESTO_USB_INTERFACE_PID 0x0001
++#define TESTO_1_PID 0x0001
++#define TESTO_3_PID 0x0003
+
+ /*
+ * Mobility Electronics products.
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index 70ede84f4f6b..9da566a3f5c8 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -352,6 +352,9 @@ static void option_instat_callback(struct urb *urb);
+ /* Zoom */
+ #define ZOOM_PRODUCT_4597 0x9607
+
++/* SpeedUp SU9800 usb 3g modem */
++#define SPEEDUP_PRODUCT_SU9800 0x9800
++
+ /* Haier products */
+ #define HAIER_VENDOR_ID 0x201e
+ #define HAIER_PRODUCT_CE100 0x2009
+@@ -372,8 +375,12 @@ static void option_instat_callback(struct urb *urb);
+ /* Olivetti products */
+ #define OLIVETTI_VENDOR_ID 0x0b3c
+ #define OLIVETTI_PRODUCT_OLICARD100 0xc000
++#define OLIVETTI_PRODUCT_OLICARD120 0xc001
++#define OLIVETTI_PRODUCT_OLICARD140 0xc002
+ #define OLIVETTI_PRODUCT_OLICARD145 0xc003
++#define OLIVETTI_PRODUCT_OLICARD155 0xc004
+ #define OLIVETTI_PRODUCT_OLICARD200 0xc005
++#define OLIVETTI_PRODUCT_OLICARD160 0xc00a
+ #define OLIVETTI_PRODUCT_OLICARD500 0xc00b
+
+ /* Celot products */
+@@ -1480,6 +1487,8 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff), /* ZTE MF91 */
+ .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
++ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G v2 */
++ .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },
+@@ -1577,6 +1586,7 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
+ .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
+ },
++ { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
+ { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
+@@ -1611,15 +1621,21 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
+ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
+ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
+-
+- { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
++ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
++ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
++ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140),
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
++ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155),
++ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
+- .driver_info = (kernel_ulong_t)&net_intf6_blacklist
+- },
++ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
++ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160),
++ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
+- .driver_info = (kernel_ulong_t)&net_intf4_blacklist
+- },
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
+ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
+ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
+diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c
+index 37cb09b27b63..c97a47ca8971 100644
+--- a/drivers/watchdog/ath79_wdt.c
++++ b/drivers/watchdog/ath79_wdt.c
+@@ -20,6 +20,7 @@
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/bitops.h>
++#include <linux/delay.h>
+ #include <linux/errno.h>
+ #include <linux/fs.h>
+ #include <linux/init.h>
+@@ -91,6 +92,15 @@ static inline void ath79_wdt_keepalive(void)
+ static inline void ath79_wdt_enable(void)
+ {
+ ath79_wdt_keepalive();
++
++ /*
++ * Updating the TIMER register requires a few microseconds
++ * on the AR934x SoCs at least. Use a small delay to ensure
++ * that the TIMER register is updated within the hardware
++ * before enabling the watchdog.
++ */
++ udelay(2);
++
+ ath79_wdt_wr(WDOG_REG_CTRL, WDOG_CTRL_ACTION_FCR);
+ /* flush write */
+ ath79_wdt_rr(WDOG_REG_CTRL);
+diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
+index 5c3d4df63e68..22b9a036b3e1 100644
+--- a/drivers/watchdog/kempld_wdt.c
++++ b/drivers/watchdog/kempld_wdt.c
+@@ -163,7 +163,7 @@ static int kempld_wdt_set_stage_timeout(struct kempld_wdt_data *wdt_data,
+ kempld_get_mutex(pld);
+ stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
+ stage_cfg &= ~STAGE_CFG_PRESCALER_MASK;
+- stage_cfg |= STAGE_CFG_SET_PRESCALER(prescaler);
++ stage_cfg |= STAGE_CFG_SET_PRESCALER(PRESCALER_21);
+ kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
+ kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id),
+ stage_timeout);
+diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
+index 58df98aec122..2cf02ffbf9d8 100644
+--- a/drivers/watchdog/sp805_wdt.c
++++ b/drivers/watchdog/sp805_wdt.c
+@@ -60,7 +60,6 @@
+ * @adev: amba device structure of wdt
+ * @status: current status of wdt
+ * @load_val: load value to be set for current timeout
+- * @timeout: current programmed timeout
+ */
+ struct sp805_wdt {
+ struct watchdog_device wdd;
+@@ -69,7 +68,6 @@ struct sp805_wdt {
+ struct clk *clk;
+ struct amba_device *adev;
+ unsigned int load_val;
+- unsigned int timeout;
+ };
+
+ static bool nowayout = WATCHDOG_NOWAYOUT;
+@@ -99,7 +97,7 @@ static int wdt_setload(struct watchdog_device *wdd, unsigned int timeout)
+ spin_lock(&wdt->lock);
+ wdt->load_val = load;
+ /* roundup timeout to closest positive integer value */
+- wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
++ wdd->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
+ spin_unlock(&wdt->lock);
+
+ return 0;
+diff --git a/fs/aio.c b/fs/aio.c
+index 0abde33de70e..e609e15f36b9 100644
+--- a/fs/aio.c
++++ b/fs/aio.c
+@@ -1066,9 +1066,6 @@ static long aio_read_events_ring(struct kioctx *ctx,
+ head %= ctx->nr_events;
+ tail %= ctx->nr_events;
+
+- head %= ctx->nr_events;
+- tail %= ctx->nr_events;
+-
+ while (ret < nr) {
+ long avail;
+ struct io_event *ev;
+diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
+index 0227b45ef00a..15e9505aa35f 100644
+--- a/fs/cifs/cifs_unicode.c
++++ b/fs/cifs/cifs_unicode.c
+@@ -290,7 +290,8 @@ int
+ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
+ const struct nls_table *cp, int mapChars)
+ {
+- int i, j, charlen;
++ int i, charlen;
++ int j = 0;
+ char src_char;
+ __le16 dst_char;
+ wchar_t tmp;
+@@ -298,12 +299,11 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
+ if (!mapChars)
+ return cifs_strtoUTF16(target, source, PATH_MAX, cp);
+
+- for (i = 0, j = 0; i < srclen; j++) {
++ for (i = 0; i < srclen; j++) {
+ src_char = source[i];
+ charlen = 1;
+ switch (src_char) {
+ case 0:
+- put_unaligned(0, &target[j]);
+ goto ctoUTF16_out;
+ case ':':
+ dst_char = cpu_to_le16(UNI_COLON);
+@@ -350,6 +350,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
+ }
+
+ ctoUTF16_out:
++ put_unaligned(0, &target[j]); /* Null terminate target unicode string */
+ return j;
+ }
+
+diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
+index 3981ff783950..171b9fa0f27a 100644
+--- a/fs/ext4/extents_status.c
++++ b/fs/ext4/extents_status.c
+@@ -962,10 +962,10 @@ retry:
+ continue;
+ }
+
+- if (ei->i_es_lru_nr == 0 || ei == locked_ei)
++ if (ei->i_es_lru_nr == 0 || ei == locked_ei ||
++ !write_trylock(&ei->i_es_lock))
+ continue;
+
+- write_lock(&ei->i_es_lock);
+ shrunk = __es_try_to_reclaim_extents(ei, nr_to_scan);
+ if (ei->i_es_lru_nr == 0)
+ list_del_init(&ei->i_es_lru);
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 137193ff389b..5b5971c20af1 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -851,6 +851,13 @@ got:
+ goto out;
+ }
+
++ BUFFER_TRACE(group_desc_bh, "get_write_access");
++ err = ext4_journal_get_write_access(handle, group_desc_bh);
++ if (err) {
++ ext4_std_error(sb, err);
++ goto out;
++ }
++
+ /* We may have to initialize the block bitmap if it isn't already */
+ if (ext4_has_group_desc_csum(sb) &&
+ gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
+@@ -887,13 +894,6 @@ got:
+ }
+ }
+
+- BUFFER_TRACE(group_desc_bh, "get_write_access");
+- err = ext4_journal_get_write_access(handle, group_desc_bh);
+- if (err) {
+- ext4_std_error(sb, err);
+- goto out;
+- }
+-
+ /* Update the relevant bg descriptor fields */
+ if (ext4_has_group_desc_csum(sb)) {
+ int free;
+diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
+index 594009f5f523..e6574d7b6642 100644
+--- a/fs/ext4/indirect.c
++++ b/fs/ext4/indirect.c
+@@ -389,7 +389,13 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
+ return 0;
+ failed:
+ for (; i >= 0; i--) {
+- if (i != indirect_blks && branch[i].bh)
++ /*
++ * We want to ext4_forget() only freshly allocated indirect
++ * blocks. Buffer for new_blocks[i-1] is at branch[i].bh and
++ * buffer at branch[0].bh is indirect block / inode already
++ * existing before ext4_alloc_branch() was called.
++ */
++ if (i > 0 && i != indirect_blks && branch[i].bh)
+ ext4_forget(handle, 1, inode, branch[i].bh,
+ branch[i].bh->b_blocknr);
+ ext4_free_blocks(handle, inode, NULL, new_blocks[i],
+@@ -1312,16 +1318,24 @@ static int free_hole_blocks(handle_t *handle, struct inode *inode,
+ blk = *i_data;
+ if (level > 0) {
+ ext4_lblk_t first2;
++ ext4_lblk_t count2;
++
+ bh = sb_bread(inode->i_sb, le32_to_cpu(blk));
+ if (!bh) {
+ EXT4_ERROR_INODE_BLOCK(inode, le32_to_cpu(blk),
+ "Read failure");
+ return -EIO;
+ }
+- first2 = (first > offset) ? first - offset : 0;
++ if (first > offset) {
++ first2 = first - offset;
++ count2 = count;
++ } else {
++ first2 = 0;
++ count2 = count - (offset - first);
++ }
+ ret = free_hole_blocks(handle, inode, bh,
+ (__le32 *)bh->b_data, level - 1,
+- first2, count - offset,
++ first2, count2,
+ inode->i_sb->s_blocksize >> 2);
+ if (ret) {
+ brelse(bh);
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index 08ddfdac955c..502f0fd71470 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -751,8 +751,8 @@ void ext4_mb_generate_buddy(struct super_block *sb,
+
+ if (free != grp->bb_free) {
+ ext4_grp_locked_error(sb, group, 0, 0,
+- "%u clusters in bitmap, %u in gd; "
+- "block bitmap corrupt.",
++ "block bitmap and bg descriptor "
++ "inconsistent: %u vs %u free clusters",
+ free, grp->bb_free);
+ /*
+ * If we intend to continue, we consider group descriptor
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index d9711dc42164..9afc4ba21611 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -1500,8 +1500,6 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
+ arg = JBD2_DEFAULT_MAX_COMMIT_AGE;
+ sbi->s_commit_interval = HZ * arg;
+ } else if (token == Opt_max_batch_time) {
+- if (arg == 0)
+- arg = EXT4_DEF_MAX_BATCH_TIME;
+ sbi->s_max_batch_time = arg;
+ } else if (token == Opt_min_batch_time) {
+ sbi->s_min_batch_time = arg;
+@@ -2762,10 +2760,11 @@ static void print_daily_error_info(unsigned long arg)
+ es = sbi->s_es;
+
+ if (es->s_error_count)
+- ext4_msg(sb, KERN_NOTICE, "error count: %u",
++ /* fsck newer than v1.41.13 is needed to clean this condition. */
++ ext4_msg(sb, KERN_NOTICE, "error count since last fsck: %u",
+ le32_to_cpu(es->s_error_count));
+ if (es->s_first_error_time) {
+- printk(KERN_NOTICE "EXT4-fs (%s): initial error at %u: %.*s:%d",
++ printk(KERN_NOTICE "EXT4-fs (%s): initial error at time %u: %.*s:%d",
+ sb->s_id, le32_to_cpu(es->s_first_error_time),
+ (int) sizeof(es->s_first_error_func),
+ es->s_first_error_func,
+@@ -2779,7 +2778,7 @@ static void print_daily_error_info(unsigned long arg)
+ printk("\n");
+ }
+ if (es->s_last_error_time) {
+- printk(KERN_NOTICE "EXT4-fs (%s): last error at %u: %.*s:%d",
++ printk(KERN_NOTICE "EXT4-fs (%s): last error at time %u: %.*s:%d",
+ sb->s_id, le32_to_cpu(es->s_last_error_time),
+ (int) sizeof(es->s_last_error_func),
+ es->s_last_error_func,
+diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
+index 7272cc6977ec..ab3815c856dc 100644
+--- a/fs/jbd2/transaction.c
++++ b/fs/jbd2/transaction.c
+@@ -1590,9 +1590,12 @@ int jbd2_journal_stop(handle_t *handle)
+ * to perform a synchronous write. We do this to detect the
+ * case where a single process is doing a stream of sync
+ * writes. No point in waiting for joiners in that case.
++ *
++ * Setting max_batch_time to 0 disables this completely.
+ */
+ pid = current->pid;
+- if (handle->h_sync && journal->j_last_sync_writer != pid) {
++ if (handle->h_sync && journal->j_last_sync_writer != pid &&
++ journal->j_max_batch_time) {
+ u64 commit_time, trans_time;
+
+ journal->j_last_sync_writer = pid;
+diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
+index fdeeb28f287b..7f5799d098fd 100644
+--- a/fs/nfs/inode.c
++++ b/fs/nfs/inode.c
+@@ -1540,18 +1540,20 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ inode->i_version = fattr->change_attr;
+ }
+ } else if (server->caps & NFS_CAP_CHANGE_ATTR)
+- invalid |= save_cache_validity;
++ nfsi->cache_validity |= save_cache_validity;
+
+ if (fattr->valid & NFS_ATTR_FATTR_MTIME) {
+ memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime));
+ } else if (server->caps & NFS_CAP_MTIME)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_CTIME) {
+ memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime));
+ } else if (server->caps & NFS_CAP_CTIME)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_REVAL_FORCED);
+
+ /* Check if our cached file size is stale */
+@@ -1574,7 +1576,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ (long long)new_isize);
+ }
+ } else
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_REVAL_PAGECACHE
+ | NFS_INO_REVAL_FORCED);
+
+@@ -1582,7 +1585,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ if (fattr->valid & NFS_ATTR_FATTR_ATIME)
+ memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
+ else if (server->caps & NFS_CAP_ATIME)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATIME
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATIME
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_MODE) {
+@@ -1593,7 +1597,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ }
+ } else if (server->caps & NFS_CAP_MODE)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+@@ -1604,7 +1609,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ inode->i_uid = fattr->uid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+@@ -1615,7 +1621,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ inode->i_gid = fattr->gid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER_GROUP)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+@@ -1628,7 +1635,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
+ set_nlink(inode, fattr->nlink);
+ }
+ } else if (server->caps & NFS_CAP_NLINK)
+- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
++ nfsi->cache_validity |= save_cache_validity &
++ (NFS_INO_INVALID_ATTR
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
+diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
+index 394b0a0c54bf..3c27659aba7b 100644
+--- a/fs/nfs/nfs4filelayout.c
++++ b/fs/nfs/nfs4filelayout.c
+@@ -1330,7 +1330,7 @@ filelayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
+ struct nfs4_filelayout *flo;
+
+ flo = kzalloc(sizeof(*flo), gfp_flags);
+- return &flo->generic_hdr;
++ return flo != NULL ? &flo->generic_hdr : NULL;
+ }
+
+ static void
+diff --git a/fs/nfs/super.c b/fs/nfs/super.c
+index a03b9c6f9489..64940b5286db 100644
+--- a/fs/nfs/super.c
++++ b/fs/nfs/super.c
+@@ -2197,6 +2197,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
+ data->timeo = 10U * nfss->client->cl_timeout->to_initval / HZ;
+ data->nfs_server.port = nfss->port;
+ data->nfs_server.addrlen = nfss->nfs_client->cl_addrlen;
++ data->net = current->nsproxy->net_ns;
+ memcpy(&data->nfs_server.address, &nfss->nfs_client->cl_addr,
+ data->nfs_server.addrlen);
+
+diff --git a/fs/nfs/write.c b/fs/nfs/write.c
+index c6aa89f92558..3a1b1d1a27ce 100644
+--- a/fs/nfs/write.c
++++ b/fs/nfs/write.c
+@@ -913,12 +913,14 @@ static bool nfs_write_pageuptodate(struct page *page, struct inode *inode)
+
+ if (nfs_have_delegated_attributes(inode))
+ goto out;
+- if (nfsi->cache_validity & (NFS_INO_INVALID_DATA|NFS_INO_REVAL_PAGECACHE))
++ if (nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE)
+ return false;
+ smp_rmb();
+ if (test_bit(NFS_INO_INVALIDATING, &nfsi->flags))
+ return false;
+ out:
++ if (nfsi->cache_validity & NFS_INO_INVALID_DATA)
++ return false;
+ return PageUptodate(page) != 0;
+ }
+
+diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
+index b9e784486729..08c8e023c157 100644
+--- a/fs/nfsd/nfs4proc.c
++++ b/fs/nfsd/nfs4proc.c
+@@ -610,15 +610,6 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+
+ switch (create->cr_type) {
+ case NF4LNK:
+- /* ugh! we have to null-terminate the linktext, or
+- * vfs_symlink() will choke. it is always safe to
+- * null-terminate by brute force, since at worst we
+- * will overwrite the first byte of the create namelen
+- * in the XDR buffer, which has already been extracted
+- * during XDR decode.
+- */
+- create->cr_linkname[create->cr_linklen] = 0;
+-
+ status = nfsd_symlink(rqstp, &cstate->current_fh,
+ create->cr_name, create->cr_namelen,
+ create->cr_linkname, create->cr_linklen,
+diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
+index 4ab5ff492ca1..42c8c8aeb465 100644
+--- a/fs/nfsd/nfs4xdr.c
++++ b/fs/nfsd/nfs4xdr.c
+@@ -594,7 +594,18 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create
+ READ_BUF(4);
+ READ32(create->cr_linklen);
+ READ_BUF(create->cr_linklen);
+- SAVEMEM(create->cr_linkname, create->cr_linklen);
++ /*
++ * The VFS will want a null-terminated string, and
++ * null-terminating in place isn't safe since this might
++ * end on a page boundary:
++ */
++ create->cr_linkname =
++ kmalloc(create->cr_linklen + 1, GFP_KERNEL);
++ if (!create->cr_linkname)
++ return nfserr_jukebox;
++ memcpy(create->cr_linkname, p, create->cr_linklen);
++ create->cr_linkname[create->cr_linklen] = '\0';
++ defer_free(argp, kfree, create->cr_linkname);
+ break;
+ case NF4BLK:
+ case NF4CHR:
+@@ -2113,8 +2124,8 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
+ err = vfs_getattr(&path, &stat);
+ if (err)
+ goto out_nfserr;
+- if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL |
+- FATTR4_WORD0_MAXNAME)) ||
++ if ((bmval0 & (FATTR4_WORD0_FILES_AVAIL | FATTR4_WORD0_FILES_FREE |
++ FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_MAXNAME)) ||
+ (bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
+ FATTR4_WORD1_SPACE_TOTAL))) {
+ err = vfs_statfs(&path, &statfs);
+diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
+index ad62bdbb451e..1e4cf9d73130 100644
+--- a/fs/reiserfs/inode.c
++++ b/fs/reiserfs/inode.c
+@@ -3220,8 +3220,14 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
+ attr->ia_size != i_size_read(inode)) {
+ error = inode_newsize_ok(inode, attr->ia_size);
+ if (!error) {
++ /*
++ * Could race against reiserfs_file_release
++ * if called from NFS, so take tailpack mutex.
++ */
++ mutex_lock(&REISERFS_I(inode)->tailpack);
+ truncate_setsize(inode, attr->ia_size);
+- reiserfs_vfs_truncate_file(inode);
++ reiserfs_truncate_file(inode, 1);
++ mutex_unlock(&REISERFS_I(inode)->tailpack);
+ }
+ }
+
+diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
+index 123c79b7261e..b56eb6275744 100644
+--- a/fs/ubifs/file.c
++++ b/fs/ubifs/file.c
+@@ -1525,8 +1525,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma,
+ }
+
+ wait_for_stable_page(page);
+- unlock_page(page);
+- return 0;
++ return VM_FAULT_LOCKED;
+
+ out_unlock:
+ unlock_page(page);
+diff --git a/fs/ubifs/shrinker.c b/fs/ubifs/shrinker.c
+index f35135e28e96..9a9fb94a41c6 100644
+--- a/fs/ubifs/shrinker.c
++++ b/fs/ubifs/shrinker.c
+@@ -128,7 +128,6 @@ static int shrink_tnc(struct ubifs_info *c, int nr, int age, int *contention)
+ freed = ubifs_destroy_tnc_subtree(znode);
+ atomic_long_sub(freed, &ubifs_clean_zn_cnt);
+ atomic_long_sub(freed, &c->clean_zn_cnt);
+- ubifs_assert(atomic_long_read(&c->clean_zn_cnt) >= 0);
+ total_freed += freed;
+ znode = zprev;
+ }
+diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
+index 077904c8b70d..cc79eff4a1ad 100644
+--- a/include/linux/ptrace.h
++++ b/include/linux/ptrace.h
+@@ -334,6 +334,9 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
+ * calling arch_ptrace_stop() when it would be superfluous. For example,
+ * if the thread has not been back to user mode since the last stop, the
+ * thread state might indicate that nothing needs to be done.
++ *
++ * This is guaranteed to be invoked once before a task stops for ptrace and
++ * may include arch-specific operations necessary prior to a ptrace stop.
+ */
+ #define arch_ptrace_stop_needed(code, info) (0)
+ #endif
+diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
+index d69cf637a15a..49a4d6f59108 100644
+--- a/include/linux/ring_buffer.h
++++ b/include/linux/ring_buffer.h
+@@ -97,7 +97,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
+ __ring_buffer_alloc((size), (flags), &__key); \
+ })
+
+-void ring_buffer_wait(struct ring_buffer *buffer, int cpu);
++int ring_buffer_wait(struct ring_buffer *buffer, int cpu);
+ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
+ struct file *filp, poll_table *poll_table);
+
+diff --git a/include/trace/syscall.h b/include/trace/syscall.h
+index fed853f3d7aa..9674145e2f6a 100644
+--- a/include/trace/syscall.h
++++ b/include/trace/syscall.h
+@@ -4,6 +4,7 @@
+ #include <linux/tracepoint.h>
+ #include <linux/unistd.h>
+ #include <linux/ftrace_event.h>
++#include <linux/thread_info.h>
+
+ #include <asm/ptrace.h>
+
+@@ -32,4 +33,18 @@ struct syscall_metadata {
+ struct ftrace_event_call *exit_event;
+ };
+
++#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
++static inline void syscall_tracepoint_update(struct task_struct *p)
++{
++ if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
++ set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
++ else
++ clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
++}
++#else
++static inline void syscall_tracepoint_update(struct task_struct *p)
++{
++}
++#endif
++
+ #endif /* _TRACE_SYSCALL_H */
+diff --git a/kernel/cpuset.c b/kernel/cpuset.c
+index 5ae9f950e024..0b29c52479a6 100644
+--- a/kernel/cpuset.c
++++ b/kernel/cpuset.c
+@@ -1236,7 +1236,13 @@ done:
+
+ int current_cpuset_is_being_rebound(void)
+ {
+- return task_cs(current) == cpuset_being_rebound;
++ int ret;
++
++ rcu_read_lock();
++ ret = task_cs(current) == cpuset_being_rebound;
++ rcu_read_unlock();
++
++ return ret;
+ }
+
+ static int update_relax_domain_level(struct cpuset *cs, s64 val)
+diff --git a/kernel/fork.c b/kernel/fork.c
+index c873bd081e09..143962949bed 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -1490,7 +1490,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
+
+ total_forks++;
+ spin_unlock(¤t->sighand->siglock);
++ syscall_tracepoint_update(p);
+ write_unlock_irq(&tasklist_lock);
++
+ proc_fork_connector(p);
+ cgroup_post_fork(p);
+ if (clone_flags & CLONE_THREAD)
+diff --git a/kernel/rtmutex-debug.h b/kernel/rtmutex-debug.h
+index 14193d596d78..ab29b6a22669 100644
+--- a/kernel/rtmutex-debug.h
++++ b/kernel/rtmutex-debug.h
+@@ -31,3 +31,8 @@ static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
+ {
+ return (waiter != NULL);
+ }
++
++static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
++{
++ debug_rt_mutex_print_deadlock(w);
++}
+diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
+index 0dd6aec1cb6a..51a83343df68 100644
+--- a/kernel/rtmutex.c
++++ b/kernel/rtmutex.c
+@@ -82,6 +82,47 @@ static inline void mark_rt_mutex_waiters(struct rt_mutex *lock)
+ owner = *p;
+ } while (cmpxchg(p, owner, owner | RT_MUTEX_HAS_WAITERS) != owner);
+ }
++
++/*
++ * Safe fastpath aware unlock:
++ * 1) Clear the waiters bit
++ * 2) Drop lock->wait_lock
++ * 3) Try to unlock the lock with cmpxchg
++ */
++static inline bool unlock_rt_mutex_safe(struct rt_mutex *lock)
++ __releases(lock->wait_lock)
++{
++ struct task_struct *owner = rt_mutex_owner(lock);
++
++ clear_rt_mutex_waiters(lock);
++ raw_spin_unlock(&lock->wait_lock);
++ /*
++ * If a new waiter comes in between the unlock and the cmpxchg
++ * we have two situations:
++ *
++ * unlock(wait_lock);
++ * lock(wait_lock);
++ * cmpxchg(p, owner, 0) == owner
++ * mark_rt_mutex_waiters(lock);
++ * acquire(lock);
++ * or:
++ *
++ * unlock(wait_lock);
++ * lock(wait_lock);
++ * mark_rt_mutex_waiters(lock);
++ *
++ * cmpxchg(p, owner, 0) != owner
++ * enqueue_waiter();
++ * unlock(wait_lock);
++ * lock(wait_lock);
++ * wake waiter();
++ * unlock(wait_lock);
++ * lock(wait_lock);
++ * acquire(lock);
++ */
++ return rt_mutex_cmpxchg(lock, owner, NULL);
++}
++
+ #else
+ # define rt_mutex_cmpxchg(l,c,n) (0)
+ static inline void mark_rt_mutex_waiters(struct rt_mutex *lock)
+@@ -89,6 +130,17 @@ static inline void mark_rt_mutex_waiters(struct rt_mutex *lock)
+ lock->owner = (struct task_struct *)
+ ((unsigned long)lock->owner | RT_MUTEX_HAS_WAITERS);
+ }
++
++/*
++ * Simple slow path only version: lock->owner is protected by lock->wait_lock.
++ */
++static inline bool unlock_rt_mutex_safe(struct rt_mutex *lock)
++ __releases(lock->wait_lock)
++{
++ lock->owner = NULL;
++ raw_spin_unlock(&lock->wait_lock);
++ return true;
++}
+ #endif
+
+ /*
+@@ -142,27 +194,36 @@ static void rt_mutex_adjust_prio(struct task_struct *task)
+ */
+ int max_lock_depth = 1024;
+
++static inline struct rt_mutex *task_blocked_on_lock(struct task_struct *p)
++{
++ return p->pi_blocked_on ? p->pi_blocked_on->lock : NULL;
++}
++
+ /*
+ * Adjust the priority chain. Also used for deadlock detection.
+ * Decreases task's usage by one - may thus free the task.
+ *
+- * @task: the task owning the mutex (owner) for which a chain walk is probably
+- * needed
++ * @task: the task owning the mutex (owner) for which a chain walk is
++ * probably needed
+ * @deadlock_detect: do we have to carry out deadlock detection?
+- * @orig_lock: the mutex (can be NULL if we are walking the chain to recheck
+- * things for a task that has just got its priority adjusted, and
+- * is waiting on a mutex)
++ * @orig_lock: the mutex (can be NULL if we are walking the chain to recheck
++ * things for a task that has just got its priority adjusted, and
++ * is waiting on a mutex)
++ * @next_lock: the mutex on which the owner of @orig_lock was blocked before
++ * we dropped its pi_lock. Is never dereferenced, only used for
++ * comparison to detect lock chain changes.
+ * @orig_waiter: rt_mutex_waiter struct for the task that has just donated
+- * its priority to the mutex owner (can be NULL in the case
+- * depicted above or if the top waiter is gone away and we are
+- * actually deboosting the owner)
+- * @top_task: the current top waiter
++ * its priority to the mutex owner (can be NULL in the case
++ * depicted above or if the top waiter is gone away and we are
++ * actually deboosting the owner)
++ * @top_task: the current top waiter
+ *
+ * Returns 0 or -EDEADLK.
+ */
+ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
+ int deadlock_detect,
+ struct rt_mutex *orig_lock,
++ struct rt_mutex *next_lock,
+ struct rt_mutex_waiter *orig_waiter,
+ struct task_struct *top_task)
+ {
+@@ -196,7 +257,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
+ }
+ put_task_struct(task);
+
+- return deadlock_detect ? -EDEADLK : 0;
++ return -EDEADLK;
+ }
+ retry:
+ /*
+@@ -221,13 +282,32 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
+ goto out_unlock_pi;
+
+ /*
++ * We dropped all locks after taking a refcount on @task, so
++ * the task might have moved on in the lock chain or even left
++ * the chain completely and blocks now on an unrelated lock or
++ * on @orig_lock.
++ *
++ * We stored the lock on which @task was blocked in @next_lock,
++ * so we can detect the chain change.
++ */
++ if (next_lock != waiter->lock)
++ goto out_unlock_pi;
++
++ /*
+ * Drop out, when the task has no waiters. Note,
+ * top_waiter can be NULL, when we are in the deboosting
+ * mode!
+ */
+- if (top_waiter && (!task_has_pi_waiters(task) ||
+- top_waiter != task_top_pi_waiter(task)))
+- goto out_unlock_pi;
++ if (top_waiter) {
++ if (!task_has_pi_waiters(task))
++ goto out_unlock_pi;
++ /*
++ * If deadlock detection is off, we stop here if we
++ * are not the top pi waiter of the task.
++ */
++ if (!detect_deadlock && top_waiter != task_top_pi_waiter(task))
++ goto out_unlock_pi;
++ }
+
+ /*
+ * When deadlock detection is off then we check, if further
+@@ -243,11 +323,16 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
+ goto retry;
+ }
+
+- /* Deadlock detection */
++ /*
++ * Deadlock detection. If the lock is the same as the original
++ * lock which caused us to walk the lock chain or if the
++ * current lock is owned by the task which initiated the chain
++ * walk, we detected a deadlock.
++ */
+ if (lock == orig_lock || rt_mutex_owner(lock) == top_task) {
+ debug_rt_mutex_deadlock(deadlock_detect, orig_waiter, lock);
+ raw_spin_unlock(&lock->wait_lock);
+- ret = deadlock_detect ? -EDEADLK : 0;
++ ret = -EDEADLK;
+ goto out_unlock_pi;
+ }
+
+@@ -294,11 +379,26 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
+ __rt_mutex_adjust_prio(task);
+ }
+
++ /*
++ * Check whether the task which owns the current lock is pi
++ * blocked itself. If yes we store a pointer to the lock for
++ * the lock chain change detection above. After we dropped
++ * task->pi_lock next_lock cannot be dereferenced anymore.
++ */
++ next_lock = task_blocked_on_lock(task);
++
+ raw_spin_unlock_irqrestore(&task->pi_lock, flags);
+
+ top_waiter = rt_mutex_top_waiter(lock);
+ raw_spin_unlock(&lock->wait_lock);
+
++ /*
++ * We reached the end of the lock chain. Stop right here. No
++ * point to go back just to figure that out.
++ */
++ if (!next_lock)
++ goto out_put_task;
++
+ if (!detect_deadlock && waiter != top_waiter)
+ goto out_put_task;
+
+@@ -409,8 +509,21 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
+ {
+ struct task_struct *owner = rt_mutex_owner(lock);
+ struct rt_mutex_waiter *top_waiter = waiter;
+- unsigned long flags;
++ struct rt_mutex *next_lock;
+ int chain_walk = 0, res;
++ unsigned long flags;
++
++ /*
++ * Early deadlock detection. We really don't want the task to
++ * enqueue on itself just to untangle the mess later. It's not
++ * only an optimization. We drop the locks, so another waiter
++ * can come in before the chain walk detects the deadlock. So
++ * the other will detect the deadlock and return -EDEADLOCK,
++ * which is wrong, as the other waiter is not in a deadlock
++ * situation.
++ */
++ if (owner == task)
++ return -EDEADLK;
+
+ raw_spin_lock_irqsave(&task->pi_lock, flags);
+ __rt_mutex_adjust_prio(task);
+@@ -431,20 +544,28 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
+ if (!owner)
+ return 0;
+
++ raw_spin_lock_irqsave(&owner->pi_lock, flags);
+ if (waiter == rt_mutex_top_waiter(lock)) {
+- raw_spin_lock_irqsave(&owner->pi_lock, flags);
+ plist_del(&top_waiter->pi_list_entry, &owner->pi_waiters);
+ plist_add(&waiter->pi_list_entry, &owner->pi_waiters);
+
+ __rt_mutex_adjust_prio(owner);
+ if (owner->pi_blocked_on)
+ chain_walk = 1;
+- raw_spin_unlock_irqrestore(&owner->pi_lock, flags);
+- }
+- else if (debug_rt_mutex_detect_deadlock(waiter, detect_deadlock))
++ } else if (debug_rt_mutex_detect_deadlock(waiter, detect_deadlock)) {
+ chain_walk = 1;
++ }
++
++ /* Store the lock on which owner is blocked or NULL */
++ next_lock = task_blocked_on_lock(owner);
+
+- if (!chain_walk)
++ raw_spin_unlock_irqrestore(&owner->pi_lock, flags);
++ /*
++ * Even if full deadlock detection is on, if the owner is not
++ * blocked itself, we can avoid finding this out in the chain
++ * walk.
++ */
++ if (!chain_walk || !next_lock)
+ return 0;
+
+ /*
+@@ -456,8 +577,8 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
+
+ raw_spin_unlock(&lock->wait_lock);
+
+- res = rt_mutex_adjust_prio_chain(owner, detect_deadlock, lock, waiter,
+- task);
++ res = rt_mutex_adjust_prio_chain(owner, detect_deadlock, lock,
++ next_lock, waiter, task);
+
+ raw_spin_lock(&lock->wait_lock);
+
+@@ -467,7 +588,8 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
+ /*
+ * Wake up the next waiter on the lock.
+ *
+- * Remove the top waiter from the current tasks waiter list and wake it up.
++ * Remove the top waiter from the current tasks pi waiter list and
++ * wake it up.
+ *
+ * Called with lock->wait_lock held.
+ */
+@@ -488,10 +610,23 @@ static void wakeup_next_waiter(struct rt_mutex *lock)
+ */
+ plist_del(&waiter->pi_list_entry, ¤t->pi_waiters);
+
+- rt_mutex_set_owner(lock, NULL);
++ /*
++ * As we are waking up the top waiter, and the waiter stays
++ * queued on the lock until it gets the lock, this lock
++ * obviously has waiters. Just set the bit here and this has
++ * the added benefit of forcing all new tasks into the
++ * slow path making sure no task of lower priority than
++ * the top waiter can steal this lock.
++ */
++ lock->owner = (void *) RT_MUTEX_HAS_WAITERS;
+
+ raw_spin_unlock_irqrestore(¤t->pi_lock, flags);
+
++ /*
++ * It's safe to dereference waiter as it cannot go away as
++ * long as we hold lock->wait_lock. The waiter task needs to
++ * acquire it in order to dequeue the waiter.
++ */
+ wake_up_process(waiter->task);
+ }
+
+@@ -506,8 +641,8 @@ static void remove_waiter(struct rt_mutex *lock,
+ {
+ int first = (waiter == rt_mutex_top_waiter(lock));
+ struct task_struct *owner = rt_mutex_owner(lock);
++ struct rt_mutex *next_lock = NULL;
+ unsigned long flags;
+- int chain_walk = 0;
+
+ raw_spin_lock_irqsave(¤t->pi_lock, flags);
+ plist_del(&waiter->list_entry, &lock->wait_list);
+@@ -531,15 +666,15 @@ static void remove_waiter(struct rt_mutex *lock,
+ }
+ __rt_mutex_adjust_prio(owner);
+
+- if (owner->pi_blocked_on)
+- chain_walk = 1;
++ /* Store the lock on which owner is blocked or NULL */
++ next_lock = task_blocked_on_lock(owner);
+
+ raw_spin_unlock_irqrestore(&owner->pi_lock, flags);
+ }
+
+ WARN_ON(!plist_node_empty(&waiter->pi_list_entry));
+
+- if (!chain_walk)
++ if (!next_lock)
+ return;
+
+ /* gets dropped in rt_mutex_adjust_prio_chain()! */
+@@ -547,7 +682,7 @@ static void remove_waiter(struct rt_mutex *lock,
+
+ raw_spin_unlock(&lock->wait_lock);
+
+- rt_mutex_adjust_prio_chain(owner, 0, lock, NULL, current);
++ rt_mutex_adjust_prio_chain(owner, 0, lock, next_lock, NULL, current);
+
+ raw_spin_lock(&lock->wait_lock);
+ }
+@@ -560,6 +695,7 @@ static void remove_waiter(struct rt_mutex *lock,
+ void rt_mutex_adjust_pi(struct task_struct *task)
+ {
+ struct rt_mutex_waiter *waiter;
++ struct rt_mutex *next_lock;
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&task->pi_lock, flags);
+@@ -569,12 +705,13 @@ void rt_mutex_adjust_pi(struct task_struct *task)
+ raw_spin_unlock_irqrestore(&task->pi_lock, flags);
+ return;
+ }
+-
++ next_lock = waiter->lock;
+ raw_spin_unlock_irqrestore(&task->pi_lock, flags);
+
+ /* gets dropped in rt_mutex_adjust_prio_chain()! */
+ get_task_struct(task);
+- rt_mutex_adjust_prio_chain(task, 0, NULL, NULL, task);
++
++ rt_mutex_adjust_prio_chain(task, 0, NULL, next_lock, NULL, task);
+ }
+
+ /**
+@@ -626,6 +763,26 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
+ return ret;
+ }
+
++static void rt_mutex_handle_deadlock(int res, int detect_deadlock,
++ struct rt_mutex_waiter *w)
++{
++ /*
++ * If the result is not -EDEADLOCK or the caller requested
++ * deadlock detection, nothing to do here.
++ */
++ if (res != -EDEADLOCK || detect_deadlock)
++ return;
++
++ /*
++ * Yell lowdly and stop the task right here.
++ */
++ rt_mutex_print_deadlock(w);
++ while (1) {
++ set_current_state(TASK_INTERRUPTIBLE);
++ schedule();
++ }
++}
++
+ /*
+ * Slow path lock function:
+ */
+@@ -663,8 +820,10 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
+
+ set_current_state(TASK_RUNNING);
+
+- if (unlikely(ret))
++ if (unlikely(ret)) {
+ remove_waiter(lock, &waiter);
++ rt_mutex_handle_deadlock(ret, detect_deadlock, &waiter);
++ }
+
+ /*
+ * try_to_take_rt_mutex() sets the waiter bit
+@@ -720,12 +879,49 @@ rt_mutex_slowunlock(struct rt_mutex *lock)
+
+ rt_mutex_deadlock_account_unlock(current);
+
+- if (!rt_mutex_has_waiters(lock)) {
+- lock->owner = NULL;
+- raw_spin_unlock(&lock->wait_lock);
+- return;
++ /*
++ * We must be careful here if the fast path is enabled. If we
++ * have no waiters queued we cannot set owner to NULL here
++ * because of:
++ *
++ * foo->lock->owner = NULL;
++ * rtmutex_lock(foo->lock); <- fast path
++ * free = atomic_dec_and_test(foo->refcnt);
++ * rtmutex_unlock(foo->lock); <- fast path
++ * if (free)
++ * kfree(foo);
++ * raw_spin_unlock(foo->lock->wait_lock);
++ *
++ * So for the fastpath enabled kernel:
++ *
++ * Nothing can set the waiters bit as long as we hold
++ * lock->wait_lock. So we do the following sequence:
++ *
++ * owner = rt_mutex_owner(lock);
++ * clear_rt_mutex_waiters(lock);
++ * raw_spin_unlock(&lock->wait_lock);
++ * if (cmpxchg(&lock->owner, owner, 0) == owner)
++ * return;
++ * goto retry;
++ *
++ * The fastpath disabled variant is simple as all access to
++ * lock->owner is serialized by lock->wait_lock:
++ *
++ * lock->owner = NULL;
++ * raw_spin_unlock(&lock->wait_lock);
++ */
++ while (!rt_mutex_has_waiters(lock)) {
++ /* Drops lock->wait_lock ! */
++ if (unlock_rt_mutex_safe(lock) == true)
++ return;
++ /* Relock the rtmutex and try again */
++ raw_spin_lock(&lock->wait_lock);
+ }
+
++ /*
++ * The wakeup next waiter path does not suffer from the above
++ * race. See the comments there.
++ */
+ wakeup_next_waiter(lock);
+
+ raw_spin_unlock(&lock->wait_lock);
+@@ -972,7 +1168,8 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
+ return 1;
+ }
+
+- ret = task_blocks_on_rt_mutex(lock, waiter, task, detect_deadlock);
++ /* We enforce deadlock detection for futexes */
++ ret = task_blocks_on_rt_mutex(lock, waiter, task, 1);
+
+ if (ret && !rt_mutex_owner(lock)) {
+ /*
+diff --git a/kernel/rtmutex.h b/kernel/rtmutex.h
+index a1a1dd06421d..f6a1f3c133b1 100644
+--- a/kernel/rtmutex.h
++++ b/kernel/rtmutex.h
+@@ -24,3 +24,8 @@
+ #define debug_rt_mutex_print_deadlock(w) do { } while (0)
+ #define debug_rt_mutex_detect_deadlock(w,d) (d)
+ #define debug_rt_mutex_reset_waiter(w) do { } while (0)
++
++static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
++{
++ WARN(1, "rtmutex deadlock detected\n");
++}
+diff --git a/kernel/sysctl.c b/kernel/sysctl.c
+index 2a9db916c3f5..167741003616 100644
+--- a/kernel/sysctl.c
++++ b/kernel/sysctl.c
+@@ -138,7 +138,6 @@ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
+ /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
+ static int maxolduid = 65535;
+ static int minolduid;
+-static int min_percpu_pagelist_fract = 8;
+
+ static int ngroups_max = NGROUPS_MAX;
+ static const int cap_last_cap = CAP_LAST_CAP;
+@@ -1287,7 +1286,7 @@ static struct ctl_table vm_table[] = {
+ .maxlen = sizeof(percpu_pagelist_fraction),
+ .mode = 0644,
+ .proc_handler = percpu_pagelist_fraction_sysctl_handler,
+- .extra1 = &min_percpu_pagelist_fract,
++ .extra1 = &zero,
+ },
+ #ifdef CONFIG_MMU
+ {
+diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
+index 0e337eedb909..15c4ae203885 100644
+--- a/kernel/trace/ring_buffer.c
++++ b/kernel/trace/ring_buffer.c
+@@ -543,7 +543,7 @@ static void rb_wake_up_waiters(struct irq_work *work)
+ * as data is added to any of the @buffer's cpu buffers. Otherwise
+ * it will wait for data to be added to a specific cpu buffer.
+ */
+-void ring_buffer_wait(struct ring_buffer *buffer, int cpu)
++int ring_buffer_wait(struct ring_buffer *buffer, int cpu)
+ {
+ struct ring_buffer_per_cpu *cpu_buffer;
+ DEFINE_WAIT(wait);
+@@ -557,6 +557,8 @@ void ring_buffer_wait(struct ring_buffer *buffer, int cpu)
+ if (cpu == RING_BUFFER_ALL_CPUS)
+ work = &buffer->irq_work;
+ else {
++ if (!cpumask_test_cpu(cpu, buffer->cpumask))
++ return -ENODEV;
+ cpu_buffer = buffer->buffers[cpu];
+ work = &cpu_buffer->irq_work;
+ }
+@@ -591,6 +593,7 @@ void ring_buffer_wait(struct ring_buffer *buffer, int cpu)
+ schedule();
+
+ finish_wait(&work->waiters, &wait);
++ return 0;
+ }
+
+ /**
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 138077b1a607..5e9cb157d31e 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -1044,13 +1044,13 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
+ }
+ #endif /* CONFIG_TRACER_MAX_TRACE */
+
+-static void default_wait_pipe(struct trace_iterator *iter)
++static int default_wait_pipe(struct trace_iterator *iter)
+ {
+ /* Iterators are static, they should be filled or empty */
+ if (trace_buffer_iter(iter, iter->cpu_file))
+- return;
++ return 0;
+
+- ring_buffer_wait(iter->trace_buffer->buffer, iter->cpu_file);
++ return ring_buffer_wait(iter->trace_buffer->buffer, iter->cpu_file);
+ }
+
+ #ifdef CONFIG_FTRACE_STARTUP_TEST
+@@ -1323,7 +1323,6 @@ void tracing_start(void)
+
+ arch_spin_unlock(&ftrace_max_lock);
+
+- ftrace_start();
+ out:
+ raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);
+ }
+@@ -1370,7 +1369,6 @@ void tracing_stop(void)
+ struct ring_buffer *buffer;
+ unsigned long flags;
+
+- ftrace_stop();
+ raw_spin_lock_irqsave(&global_trace.start_lock, flags);
+ if (global_trace.stop_count++)
+ goto out;
+@@ -1417,12 +1415,12 @@ static void tracing_stop_tr(struct trace_array *tr)
+
+ void trace_stop_cmdline_recording(void);
+
+-static void trace_save_cmdline(struct task_struct *tsk)
++static int trace_save_cmdline(struct task_struct *tsk)
+ {
+ unsigned pid, idx;
+
+ if (!tsk->pid || unlikely(tsk->pid > PID_MAX_DEFAULT))
+- return;
++ return 0;
+
+ /*
+ * It's not the end of the world if we don't get
+@@ -1431,7 +1429,7 @@ static void trace_save_cmdline(struct task_struct *tsk)
+ * so if we miss here, then better luck next time.
+ */
+ if (!arch_spin_trylock(&trace_cmdline_lock))
+- return;
++ return 0;
+
+ idx = map_pid_to_cmdline[tsk->pid];
+ if (idx == NO_CMDLINE_MAP) {
+@@ -1456,6 +1454,8 @@ static void trace_save_cmdline(struct task_struct *tsk)
+ memcpy(&saved_cmdlines[idx], tsk->comm, TASK_COMM_LEN);
+
+ arch_spin_unlock(&trace_cmdline_lock);
++
++ return 1;
+ }
+
+ void trace_find_cmdline(int pid, char comm[])
+@@ -1497,9 +1497,8 @@ void tracing_record_cmdline(struct task_struct *tsk)
+ if (!__this_cpu_read(trace_cmdline_save))
+ return;
+
+- __this_cpu_write(trace_cmdline_save, false);
+-
+- trace_save_cmdline(tsk);
++ if (trace_save_cmdline(tsk))
++ __this_cpu_write(trace_cmdline_save, false);
+ }
+
+ void
+@@ -4060,17 +4059,19 @@ tracing_poll_pipe(struct file *filp, poll_table *poll_table)
+ *
+ * Anyway, this is really very primitive wakeup.
+ */
+-void poll_wait_pipe(struct trace_iterator *iter)
++int poll_wait_pipe(struct trace_iterator *iter)
+ {
+ set_current_state(TASK_INTERRUPTIBLE);
+ /* sleep for 100 msecs, and try again. */
+ schedule_timeout(HZ / 10);
++ return 0;
+ }
+
+ /* Must be called with trace_types_lock mutex held. */
+ static int tracing_wait_pipe(struct file *filp)
+ {
+ struct trace_iterator *iter = filp->private_data;
++ int ret;
+
+ while (trace_empty(iter)) {
+
+@@ -4080,10 +4081,13 @@ static int tracing_wait_pipe(struct file *filp)
+
+ mutex_unlock(&iter->mutex);
+
+- iter->trace->wait_pipe(iter);
++ ret = iter->trace->wait_pipe(iter);
+
+ mutex_lock(&iter->mutex);
+
++ if (ret)
++ return ret;
++
+ if (signal_pending(current))
+ return -EINTR;
+
+@@ -5017,8 +5021,12 @@ tracing_buffers_read(struct file *filp, char __user *ubuf,
+ goto out_unlock;
+ }
+ mutex_unlock(&trace_types_lock);
+- iter->trace->wait_pipe(iter);
++ ret = iter->trace->wait_pipe(iter);
+ mutex_lock(&trace_types_lock);
++ if (ret) {
++ size = ret;
++ goto out_unlock;
++ }
+ if (signal_pending(current)) {
+ size = -EINTR;
+ goto out_unlock;
+@@ -5230,8 +5238,10 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos,
+ goto out;
+ }
+ mutex_unlock(&trace_types_lock);
+- iter->trace->wait_pipe(iter);
++ ret = iter->trace->wait_pipe(iter);
+ mutex_lock(&trace_types_lock);
++ if (ret)
++ goto out;
+ if (signal_pending(current)) {
+ ret = -EINTR;
+ goto out;
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
+index 10c86fb7a2b4..7e8be3e50f83 100644
+--- a/kernel/trace/trace.h
++++ b/kernel/trace/trace.h
+@@ -334,7 +334,7 @@ struct tracer {
+ void (*stop)(struct trace_array *tr);
+ void (*open)(struct trace_iterator *iter);
+ void (*pipe_open)(struct trace_iterator *iter);
+- void (*wait_pipe)(struct trace_iterator *iter);
++ int (*wait_pipe)(struct trace_iterator *iter);
+ void (*close)(struct trace_iterator *iter);
+ void (*pipe_close)(struct trace_iterator *iter);
+ ssize_t (*read)(struct trace_iterator *iter,
+@@ -549,7 +549,7 @@ void trace_init_global_iter(struct trace_iterator *iter);
+
+ void tracing_iter_reset(struct trace_iterator *iter, int cpu);
+
+-void poll_wait_pipe(struct trace_iterator *iter);
++int poll_wait_pipe(struct trace_iterator *iter);
+
+ void tracing_sched_switch_trace(struct trace_array *tr,
+ struct task_struct *prev,
+diff --git a/kernel/workqueue.c b/kernel/workqueue.c
+index cea58300f650..3fafbbb31927 100644
+--- a/kernel/workqueue.c
++++ b/kernel/workqueue.c
+@@ -3412,6 +3412,7 @@ int workqueue_sysfs_register(struct workqueue_struct *wq)
+ }
+ }
+
++ dev_set_uevent_suppress(&wq_dev->dev, false);
+ kobject_uevent(&wq_dev->dev.kobj, KOBJ_ADD);
+ return 0;
+ }
+@@ -5028,7 +5029,7 @@ static void __init wq_numa_init(void)
+ BUG_ON(!tbl);
+
+ for_each_node(node)
+- BUG_ON(!alloc_cpumask_var_node(&tbl[node], GFP_KERNEL,
++ BUG_ON(!zalloc_cpumask_var_node(&tbl[node], GFP_KERNEL,
+ node_online(node) ? node : NUMA_NO_NODE));
+
+ for_each_possible_cpu(cpu) {
+diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c
+index b74da447e81e..7a85967060a5 100644
+--- a/lib/lz4/lz4_decompress.c
++++ b/lib/lz4/lz4_decompress.c
+@@ -192,6 +192,8 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
+ int s = 255;
+ while ((ip < iend) && (s == 255)) {
+ s = *ip++;
++ if (unlikely(length > (size_t)(length + s)))
++ goto _output_error;
+ length += s;
+ }
+ }
+@@ -232,6 +234,8 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
+ if (length == ML_MASK) {
+ while (ip < iend) {
+ int s = *ip++;
++ if (unlikely(length > (size_t)(length + s)))
++ goto _output_error;
+ length += s;
+ if (s == 255)
+ continue;
+@@ -284,7 +288,7 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
+
+ /* write overflow error detected */
+ _output_error:
+- return (int) (-(((char *) ip) - source));
++ return -1;
+ }
+
+ int lz4_decompress(const unsigned char *src, size_t *src_len,
+diff --git a/mm/mempolicy.c b/mm/mempolicy.c
+index a005cc9f6f18..0437f3595b32 100644
+--- a/mm/mempolicy.c
++++ b/mm/mempolicy.c
+@@ -653,19 +653,18 @@ static unsigned long change_prot_numa(struct vm_area_struct *vma,
+ * @nodes and @flags,) it's isolated and queued to the pagelist which is
+ * passed via @private.)
+ */
+-static struct vm_area_struct *
++static int
+ queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end,
+ const nodemask_t *nodes, unsigned long flags, void *private)
+ {
+- int err;
+- struct vm_area_struct *first, *vma, *prev;
+-
++ int err = 0;
++ struct vm_area_struct *vma, *prev;
+
+- first = find_vma(mm, start);
+- if (!first)
+- return ERR_PTR(-EFAULT);
++ vma = find_vma(mm, start);
++ if (!vma)
++ return -EFAULT;
+ prev = NULL;
+- for (vma = first; vma && vma->vm_start < end; vma = vma->vm_next) {
++ for (; vma && vma->vm_start < end; vma = vma->vm_next) {
+ unsigned long endvma = vma->vm_end;
+
+ if (endvma > end)
+@@ -675,9 +674,9 @@ queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end,
+
+ if (!(flags & MPOL_MF_DISCONTIG_OK)) {
+ if (!vma->vm_next && vma->vm_end < end)
+- return ERR_PTR(-EFAULT);
++ return -EFAULT;
+ if (prev && prev->vm_end < vma->vm_start)
+- return ERR_PTR(-EFAULT);
++ return -EFAULT;
+ }
+
+ if (flags & MPOL_MF_LAZY) {
+@@ -691,15 +690,13 @@ queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end,
+
+ err = queue_pages_pgd_range(vma, start, endvma, nodes,
+ flags, private);
+- if (err) {
+- first = ERR_PTR(err);
++ if (err)
+ break;
+- }
+ }
+ next:
+ prev = vma;
+ }
+- return first;
++ return err;
+ }
+
+ /*
+@@ -1184,16 +1181,17 @@ out:
+
+ /*
+ * Allocate a new page for page migration based on vma policy.
+- * Start assuming that page is mapped by vma pointed to by @private.
++ * Start by assuming the page is mapped by the same vma as contains @start.
+ * Search forward from there, if not. N.B., this assumes that the
+ * list of pages handed to migrate_pages()--which is how we get here--
+ * is in virtual address order.
+ */
+-static struct page *new_vma_page(struct page *page, unsigned long private, int **x)
++static struct page *new_page(struct page *page, unsigned long start, int **x)
+ {
+- struct vm_area_struct *vma = (struct vm_area_struct *)private;
++ struct vm_area_struct *vma;
+ unsigned long uninitialized_var(address);
+
++ vma = find_vma(current->mm, start);
+ while (vma) {
+ address = page_address_in_vma(page, vma);
+ if (address != -EFAULT)
+@@ -1223,7 +1221,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
+ return -ENOSYS;
+ }
+
+-static struct page *new_vma_page(struct page *page, unsigned long private, int **x)
++static struct page *new_page(struct page *page, unsigned long start, int **x)
+ {
+ return NULL;
+ }
+@@ -1233,7 +1231,6 @@ static long do_mbind(unsigned long start, unsigned long len,
+ unsigned short mode, unsigned short mode_flags,
+ nodemask_t *nmask, unsigned long flags)
+ {
+- struct vm_area_struct *vma;
+ struct mm_struct *mm = current->mm;
+ struct mempolicy *new;
+ unsigned long end;
+@@ -1299,11 +1296,9 @@ static long do_mbind(unsigned long start, unsigned long len,
+ if (err)
+ goto mpol_out;
+
+- vma = queue_pages_range(mm, start, end, nmask,
++ err = queue_pages_range(mm, start, end, nmask,
+ flags | MPOL_MF_INVERT, &pagelist);
+-
+- err = PTR_ERR(vma); /* maybe ... */
+- if (!IS_ERR(vma))
++ if (!err)
+ err = mbind_range(mm, start, end, new);
+
+ if (!err) {
+@@ -1311,9 +1306,8 @@ static long do_mbind(unsigned long start, unsigned long len,
+
+ if (!list_empty(&pagelist)) {
+ WARN_ON_ONCE(flags & MPOL_MF_LAZY);
+- nr_failed = migrate_pages(&pagelist, new_vma_page,
+- (unsigned long)vma,
+- MIGRATE_SYNC, MR_MEMPOLICY_MBIND);
++ nr_failed = migrate_pages(&pagelist, new_page,
++ start, MIGRATE_SYNC, MR_MEMPOLICY_MBIND);
+ if (nr_failed)
+ putback_movable_pages(&pagelist);
+ }
+@@ -2152,7 +2146,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
+ } else
+ *new = *old;
+
+- rcu_read_lock();
+ if (current_cpuset_is_being_rebound()) {
+ nodemask_t mems = cpuset_mems_allowed(current);
+ if (new->flags & MPOL_F_REBINDING)
+@@ -2160,7 +2153,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
+ else
+ mpol_rebind_policy(new, &mems, MPOL_REBIND_ONCE);
+ }
+- rcu_read_unlock();
+ atomic_set(&new->refcnt, 1);
+ return new;
+ }
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index a6bf980f5dd0..6e0a9cf8d02a 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -69,6 +69,7 @@
+
+ /* prevent >1 _updater_ of zone percpu pageset ->high and ->batch fields */
+ static DEFINE_MUTEX(pcp_batch_high_lock);
++#define MIN_PERCPU_PAGELIST_FRACTION (8)
+
+ #ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID
+ DEFINE_PER_CPU(int, numa_node);
+@@ -784,9 +785,21 @@ void __init init_cma_reserved_pageblock(struct page *page)
+ set_page_count(p, 0);
+ } while (++p, --i);
+
+- set_page_refcounted(page);
+ set_pageblock_migratetype(page, MIGRATE_CMA);
+- __free_pages(page, pageblock_order);
++
++ if (pageblock_order >= MAX_ORDER) {
++ i = pageblock_nr_pages;
++ p = page;
++ do {
++ set_page_refcounted(p);
++ __free_pages(p, MAX_ORDER - 1);
++ p += MAX_ORDER_NR_PAGES;
++ } while (i -= MAX_ORDER_NR_PAGES);
++ } else {
++ set_page_refcounted(page);
++ __free_pages(page, pageblock_order);
++ }
++
+ adjust_managed_page_count(page, pageblock_nr_pages);
+ }
+ #endif
+@@ -4079,7 +4092,7 @@ static void __meminit zone_init_free_lists(struct zone *zone)
+ memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY)
+ #endif
+
+-static int __meminit zone_batchsize(struct zone *zone)
++static int zone_batchsize(struct zone *zone)
+ {
+ #ifdef CONFIG_MMU
+ int batch;
+@@ -4195,8 +4208,8 @@ static void pageset_set_high(struct per_cpu_pageset *p,
+ pageset_update(&p->pcp, high, batch);
+ }
+
+-static void __meminit pageset_set_high_and_batch(struct zone *zone,
+- struct per_cpu_pageset *pcp)
++static void pageset_set_high_and_batch(struct zone *zone,
++ struct per_cpu_pageset *pcp)
+ {
+ if (percpu_pagelist_fraction)
+ pageset_set_high(pcp,
+@@ -5789,23 +5802,38 @@ int percpu_pagelist_fraction_sysctl_handler(ctl_table *table, int write,
+ void __user *buffer, size_t *length, loff_t *ppos)
+ {
+ struct zone *zone;
+- unsigned int cpu;
++ int old_percpu_pagelist_fraction;
+ int ret;
+
++ mutex_lock(&pcp_batch_high_lock);
++ old_percpu_pagelist_fraction = percpu_pagelist_fraction;
++
+ ret = proc_dointvec_minmax(table, write, buffer, length, ppos);
+- if (!write || (ret < 0))
+- return ret;
++ if (!write || ret < 0)
++ goto out;
++
++ /* Sanity checking to avoid pcp imbalance */
++ if (percpu_pagelist_fraction &&
++ percpu_pagelist_fraction < MIN_PERCPU_PAGELIST_FRACTION) {
++ percpu_pagelist_fraction = old_percpu_pagelist_fraction;
++ ret = -EINVAL;
++ goto out;
++ }
++
++ /* No change? */
++ if (percpu_pagelist_fraction == old_percpu_pagelist_fraction)
++ goto out;
+
+- mutex_lock(&pcp_batch_high_lock);
+ for_each_populated_zone(zone) {
+- unsigned long high;
+- high = zone->managed_pages / percpu_pagelist_fraction;
++ unsigned int cpu;
++
+ for_each_possible_cpu(cpu)
+- pageset_set_high(per_cpu_ptr(zone->pageset, cpu),
+- high);
++ pageset_set_high_and_batch(zone,
++ per_cpu_ptr(zone->pageset, cpu));
+ }
++out:
+ mutex_unlock(&pcp_batch_high_lock);
+- return 0;
++ return ret;
+ }
+
+ int hashdist = HASHDIST_DEFAULT;
+diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
+index 2eeb6643d78a..729f516ecd63 100644
+--- a/net/bluetooth/hci_event.c
++++ b/net/bluetooth/hci_event.c
+@@ -47,6 +47,10 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
+ smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
+ wake_up_bit(&hdev->flags, HCI_INQUIRY);
+
++ hci_dev_lock(hdev);
++ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
++ hci_dev_unlock(hdev);
++
+ hci_conn_check_pending(hdev);
+ }
+
+@@ -3164,8 +3168,11 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev,
+
+ /* If we're not the initiators request authorization to
+ * proceed from user space (mgmt_user_confirm with
+- * confirm_hint set to 1). */
+- if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
++ * confirm_hint set to 1). The exception is if neither
++ * side had MITM in which case we do auto-accept.
++ */
++ if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
++ (loc_mitm || rem_mitm)) {
+ BT_DBG("Confirming auto-accept as acceptor");
+ confirm_hint = 1;
+ goto confirm;
+diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
+index 07c9aea21244..a3a81d96314b 100644
+--- a/net/bluetooth/l2cap_sock.c
++++ b/net/bluetooth/l2cap_sock.c
+@@ -631,11 +631,6 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
+
+ /*change security for LE channels */
+ if (chan->scid == L2CAP_CID_ATT) {
+- if (!conn->hcon->out) {
+- err = -EINVAL;
+- break;
+- }
+-
+ if (smp_conn_security(conn->hcon, sec.level))
+ break;
+ sk->sk_state = BT_CONFIG;
+diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
+index fedc5399d465..211fffb5dca8 100644
+--- a/net/bluetooth/mgmt.c
++++ b/net/bluetooth/mgmt.c
+@@ -2319,8 +2319,13 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
+ }
+
+ if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
+- /* Continue with pairing via SMP */
++ /* Continue with pairing via SMP. The hdev lock must be
++ * released as SMP may try to recquire it for crypto
++ * purposes.
++ */
++ hci_dev_unlock(hdev);
+ err = smp_user_confirm_reply(conn, mgmt_op, passkey);
++ hci_dev_lock(hdev);
+
+ if (!err)
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
+index cafe614ef93d..8e41f0163c5a 100644
+--- a/net/mac80211/debugfs_netdev.c
++++ b/net/mac80211/debugfs_netdev.c
+@@ -34,8 +34,7 @@ static ssize_t ieee80211_if_read(
+ ssize_t ret = -EINVAL;
+
+ read_lock(&dev_base_lock);
+- if (sdata->dev->reg_state == NETREG_REGISTERED)
+- ret = (*format)(sdata, buf, sizeof(buf));
++ ret = (*format)(sdata, buf, sizeof(buf));
+ read_unlock(&dev_base_lock);
+
+ if (ret >= 0)
+@@ -62,8 +61,7 @@ static ssize_t ieee80211_if_write(
+
+ ret = -ENODEV;
+ rtnl_lock();
+- if (sdata->dev->reg_state == NETREG_REGISTERED)
+- ret = (*write)(sdata, buf, count);
++ ret = (*write)(sdata, buf, count);
+ rtnl_unlock();
+
+ return ret;
+diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
+index a12afe77bb26..f69cac4bf39f 100644
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -1203,6 +1203,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
+ sdata->u.ibss.privacy = params->privacy;
+ sdata->u.ibss.control_port = params->control_port;
+ sdata->u.ibss.basic_rates = params->basic_rates;
++ sdata->u.ibss.last_scan_completed = jiffies;
+
+ /* fix basic_rates if channel does not support these rates */
+ rate_flags = ieee80211_chandef_rate_flags(¶ms->chandef);
+diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
+index db41c190e76d..37025725c369 100644
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -271,6 +271,7 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)
+
+ sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr);
+
++ kfree(rcu_dereference_raw(sta->sta.rates));
+ kfree(sta);
+ }
+
+diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
+index 3581736446d5..e2d38e5318d4 100644
+--- a/net/netfilter/ipvs/ip_vs_core.c
++++ b/net/netfilter/ipvs/ip_vs_core.c
+@@ -1392,15 +1392,19 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
+
+ if (ipip) {
+ __be32 info = ic->un.gateway;
++ __u8 type = ic->type;
++ __u8 code = ic->code;
+
+ /* Update the MTU */
+ if (ic->type == ICMP_DEST_UNREACH &&
+ ic->code == ICMP_FRAG_NEEDED) {
+ struct ip_vs_dest *dest = cp->dest;
+ u32 mtu = ntohs(ic->un.frag.mtu);
++ __be16 frag_off = cih->frag_off;
+
+ /* Strip outer IP and ICMP, go to IPIP header */
+- __skb_pull(skb, ihl + sizeof(_icmph));
++ if (pskb_pull(skb, ihl + sizeof(_icmph)) == NULL)
++ goto ignore_ipip;
+ offset2 -= ihl + sizeof(_icmph);
+ skb_reset_network_header(skb);
+ IP_VS_DBG(12, "ICMP for IPIP %pI4->%pI4: mtu=%u\n",
+@@ -1408,7 +1412,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
+ ipv4_update_pmtu(skb, dev_net(skb->dev),
+ mtu, 0, 0, 0, 0);
+ /* Client uses PMTUD? */
+- if (!(cih->frag_off & htons(IP_DF)))
++ if (!(frag_off & htons(IP_DF)))
+ goto ignore_ipip;
+ /* Prefer the resulting PMTU */
+ if (dest) {
+@@ -1427,12 +1431,13 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
+ /* Strip outer IP, ICMP and IPIP, go to IP header of
+ * original request.
+ */
+- __skb_pull(skb, offset2);
++ if (pskb_pull(skb, offset2) == NULL)
++ goto ignore_ipip;
+ skb_reset_network_header(skb);
+ IP_VS_DBG(12, "Sending ICMP for %pI4->%pI4: t=%u, c=%u, i=%u\n",
+ &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
+- ic->type, ic->code, ntohl(info));
+- icmp_send(skb, ic->type, ic->code, info);
++ type, code, ntohl(info));
++ icmp_send(skb, type, code, info);
+ /* ICMP can be shorter but anyways, account it */
+ ip_vs_out_stats(cp, skb);
+
+diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
+index a3df9bddc4f7..f9568654ffd2 100644
+--- a/net/netfilter/ipvs/ip_vs_ctl.c
++++ b/net/netfilter/ipvs/ip_vs_ctl.c
+@@ -3765,6 +3765,7 @@ static void __net_exit ip_vs_control_net_cleanup_sysctl(struct net *net)
+ cancel_delayed_work_sync(&ipvs->defense_work);
+ cancel_work_sync(&ipvs->defense_work.work);
+ unregister_net_sysctl_table(ipvs->sysctl_hdr);
++ ip_vs_stop_estimator(net, &ipvs->tot_stats);
+ }
+
+ #else
+@@ -3825,7 +3826,6 @@ void __net_exit ip_vs_control_net_cleanup(struct net *net)
+ */
+ rcu_barrier();
+ ip_vs_trash_cleanup(net);
+- ip_vs_stop_estimator(net, &ipvs->tot_stats);
+ ip_vs_control_net_cleanup_sysctl(net);
+ remove_proc_entry("ip_vs_stats_percpu", net->proc_net);
+ remove_proc_entry("ip_vs_stats", net->proc_net);
+diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
+index 6f0f4f7f68a5..13deb61737f8 100644
+--- a/net/netfilter/nf_nat_core.c
++++ b/net/netfilter/nf_nat_core.c
+@@ -491,6 +491,39 @@ static int nf_nat_proto_remove(struct nf_conn *i, void *data)
+ return i->status & IPS_NAT_MASK ? 1 : 0;
+ }
+
++static int nf_nat_proto_clean(struct nf_conn *ct, void *data)
++{
++ struct nf_conn_nat *nat = nfct_nat(ct);
++
++ if (nf_nat_proto_remove(ct, data))
++ return 1;
++
++ if (!nat || !nat->ct)
++ return 0;
++
++ /* This netns is being destroyed, and conntrack has nat null binding.
++ * Remove it from bysource hash, as the table will be freed soon.
++ *
++ * Else, when the conntrack is destoyed, nf_nat_cleanup_conntrack()
++ * will delete entry from already-freed table.
++ */
++ if (!del_timer(&ct->timeout))
++ return 1;
++
++ spin_lock_bh(&nf_nat_lock);
++ hlist_del_rcu(&nat->bysource);
++ ct->status &= ~IPS_NAT_DONE_MASK;
++ nat->ct = NULL;
++ spin_unlock_bh(&nf_nat_lock);
++
++ add_timer(&ct->timeout);
++
++ /* don't delete conntrack. Although that would make things a lot
++ * simpler, we'd end up flushing all conntracks on nat rmmod.
++ */
++ return 0;
++}
++
+ static void nf_nat_l4proto_clean(u8 l3proto, u8 l4proto)
+ {
+ struct nf_nat_proto_clean clean = {
+@@ -753,7 +786,7 @@ static void __net_exit nf_nat_net_exit(struct net *net)
+ {
+ struct nf_nat_proto_clean clean = {};
+
+- nf_ct_iterate_cleanup(net, &nf_nat_proto_remove, &clean, 0, 0);
++ nf_ct_iterate_cleanup(net, nf_nat_proto_clean, &clean, 0, 0);
+ synchronize_rcu();
+ nf_ct_free_hashtable(net->ct.nat_bysource, net->ct.nat_htable_size);
+ }
+diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
+index 80a6640f329b..b9aad4723a9d 100644
+--- a/net/sunrpc/svc_xprt.c
++++ b/net/sunrpc/svc_xprt.c
+@@ -730,6 +730,8 @@ static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt)
+ newxpt = xprt->xpt_ops->xpo_accept(xprt);
+ if (newxpt)
+ svc_add_new_temp_xprt(serv, newxpt);
++ else
++ module_put(xprt->xpt_class->xcl_owner);
+ } else if (xprt->xpt_ops->xpo_has_wspace(xprt)) {
+ /* XPT_DATA|XPT_DEFERRED case: */
+ dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n",
+diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
+index 9d1421e63ff8..49b582a225b0 100644
+--- a/scripts/recordmcount.h
++++ b/scripts/recordmcount.h
+@@ -163,11 +163,11 @@ static int mcount_adjust = 0;
+
+ static int MIPS_is_fake_mcount(Elf_Rel const *rp)
+ {
+- static Elf_Addr old_r_offset;
++ static Elf_Addr old_r_offset = ~(Elf_Addr)0;
+ Elf_Addr current_r_offset = _w(rp->r_offset);
+ int is_fake;
+
+- is_fake = old_r_offset &&
++ is_fake = (old_r_offset != ~(Elf_Addr)0) &&
+ (current_r_offset - old_r_offset == MIPS_FAKEMCOUNT_OFFSET);
+ old_r_offset = current_r_offset;
+
+diff --git a/sound/usb/card.c b/sound/usb/card.c
+index 64952e2d3ed1..fda227e3bbac 100644
+--- a/sound/usb/card.c
++++ b/sound/usb/card.c
+@@ -307,6 +307,11 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
+
+ static int snd_usb_audio_free(struct snd_usb_audio *chip)
+ {
++ struct list_head *p, *n;
++
++ list_for_each_safe(p, n, &chip->ep_list)
++ snd_usb_endpoint_free(p);
++
+ mutex_destroy(&chip->mutex);
+ kfree(chip);
+ return 0;
+@@ -583,7 +588,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
+ struct snd_usb_audio *chip)
+ {
+ struct snd_card *card;
+- struct list_head *p, *n;
++ struct list_head *p;
+
+ if (chip == (void *)-1L)
+ return;
+@@ -596,14 +601,16 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
+ mutex_lock(®ister_mutex);
+ chip->num_interfaces--;
+ if (chip->num_interfaces <= 0) {
++ struct snd_usb_endpoint *ep;
++
+ snd_card_disconnect(card);
+ /* release the pcm resources */
+ list_for_each(p, &chip->pcm_list) {
+ snd_usb_stream_disconnect(p);
+ }
+ /* release the endpoint resources */
+- list_for_each_safe(p, n, &chip->ep_list) {
+- snd_usb_endpoint_free(p);
++ list_for_each_entry(ep, &chip->ep_list, list) {
++ snd_usb_endpoint_release(ep);
+ }
+ /* release the midi resources */
+ list_for_each(p, &chip->midi_list) {
+diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
+index ba106c6c2d3a..b0a0f2028319 100644
+--- a/sound/usb/endpoint.c
++++ b/sound/usb/endpoint.c
+@@ -960,19 +960,30 @@ int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep)
+ }
+
+ /**
++ * snd_usb_endpoint_release: Tear down an snd_usb_endpoint
++ *
++ * @ep: the endpoint to release
++ *
++ * This function does not care for the endpoint's use count but will tear
++ * down all the streaming URBs immediately.
++ */
++void snd_usb_endpoint_release(struct snd_usb_endpoint *ep)
++{
++ release_urbs(ep, 1);
++}
++
++/**
+ * snd_usb_endpoint_free: Free the resources of an snd_usb_endpoint
+ *
+ * @ep: the list header of the endpoint to free
+ *
+- * This function does not care for the endpoint's use count but will tear
+- * down all the streaming URBs immediately and free all resources.
++ * This free all resources of the given ep.
+ */
+ void snd_usb_endpoint_free(struct list_head *head)
+ {
+ struct snd_usb_endpoint *ep;
+
+ ep = list_entry(head, struct snd_usb_endpoint, list);
+- release_urbs(ep, 1);
+ kfree(ep);
+ }
+
+diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
+index 2287adf5ca59..fe65a38ba387 100644
+--- a/sound/usb/endpoint.h
++++ b/sound/usb/endpoint.h
+@@ -21,6 +21,7 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
+ void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
+ int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
+ int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
++void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
+ void snd_usb_endpoint_free(struct list_head *head);
+
+ int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
+diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
+index b375d58871e7..98ca3540514f 100644
+--- a/sound/usb/pcm.c
++++ b/sound/usb/pcm.c
+@@ -1492,7 +1492,8 @@ static void retire_playback_urb(struct snd_usb_substream *subs,
+ * on two reads of a counter updated every ms.
+ */
+ if (abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2)
+- snd_printk(KERN_DEBUG "delay: estimated %d, actual %d\n",
++ dev_dbg_ratelimited(&subs->dev->dev,
++ "delay: estimated %d, actual %d\n",
+ est_delay, subs->last_delay);
+
+ if (!subs->running) {
+diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c
+index fe1e66b6ef40..a87e99f37c52 100644
+--- a/tools/usb/ffs-test.c
++++ b/tools/usb/ffs-test.c
+@@ -116,8 +116,8 @@ static const struct {
+ .header = {
+ .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC),
+ .length = cpu_to_le32(sizeof descriptors),
+- .fs_count = 3,
+- .hs_count = 3,
++ .fs_count = cpu_to_le32(3),
++ .hs_count = cpu_to_le32(3),
+ },
+ .fs_descs = {
+ .intf = {
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