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SubjectRe: Linux 4.9.2
diff --git a/Documentation/sphinx/rstFlatTable.py b/Documentation/sphinx/rstFlatTable.py
index 55f275793028..25feb0d35e7a 100755
--- a/Documentation/sphinx/rstFlatTable.py
+++ b/Documentation/sphinx/rstFlatTable.py
@@ -157,6 +157,11 @@ class ListTableBuilder(object):
def buildTableNode(self):

colwidths = self.directive.get_column_widths(self.max_cols)
+ if isinstance(colwidths, tuple):
+ # Since docutils 0.13, get_column_widths returns a (widths,
+ # colwidths) tuple, where widths is a string (i.e. 'auto').
+ # See https://sourceforge.net/p/docutils/patches/120/.
+ colwidths = colwidths[1]
stub_columns = self.directive.options.get('stub-columns', 0)
header_rows = self.directive.options.get('header-rows', 0)

diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 6bbceb9a3a19..1f5eab4ef88f 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -2050,6 +2050,7 @@ registers, find a list below:
PPC | KVM_REG_PPC_TM_VSCR | 32
PPC | KVM_REG_PPC_TM_DSCR | 64
PPC | KVM_REG_PPC_TM_TAR | 64
+ PPC | KVM_REG_PPC_TM_XER | 64
| |
MIPS | KVM_REG_MIPS_R0 | 64
...
diff --git a/Makefile b/Makefile
index ab3cd5128889..c9ce897465c5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 1
+SUBLEVEL = 2
EXTRAVERSION =
NAME = Roaring Lionus

diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h
index a093adbdb017..fc662f49c55a 100644
--- a/arch/arc/include/asm/cacheflush.h
+++ b/arch/arc/include/asm/cacheflush.h
@@ -85,6 +85,10 @@ void flush_anon_page(struct vm_area_struct *vma,
*/
#define PG_dc_clean PG_arch_1

+#define CACHE_COLORS_NUM 4
+#define CACHE_COLORS_MSK (CACHE_COLORS_NUM - 1)
+#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & CACHE_COLORS_MSK)
+
/*
* Simple wrapper over config option
* Bootup code ensures that hardware matches kernel configuration
@@ -94,8 +98,6 @@ static inline int cache_is_vipt_aliasing(void)
return IS_ENABLED(CONFIG_ARC_CACHE_VIPT_ALIASING);
}

-#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & 1)
-
/*
* checks if two addresses (after page aligning) index into same cache set
*/
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 50d71695cd4e..8147583c4434 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -979,11 +979,16 @@ void arc_cache_init(void)
/* check for D-Cache aliasing on ARCompact: ARCv2 has PIPT */
if (is_isa_arcompact()) {
int handled = IS_ENABLED(CONFIG_ARC_CACHE_VIPT_ALIASING);
-
- if (dc->alias && !handled)
- panic("Enable CONFIG_ARC_CACHE_VIPT_ALIASING\n");
- else if (!dc->alias && handled)
+ int num_colors = dc->sz_k/dc->assoc/TO_KB(PAGE_SIZE);
+
+ if (dc->alias) {
+ if (!handled)
+ panic("Enable CONFIG_ARC_CACHE_VIPT_ALIASING\n");
+ if (CACHE_COLORS_NUM != num_colors)
+ panic("CACHE_COLORS_NUM not optimized for config\n");
+ } else if (!dc->alias && handled) {
panic("Disable CONFIG_ARC_CACHE_VIPT_ALIASING\n");
+ }
}
}

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
index 5fda583351d7..906fb836d241 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -21,6 +21,10 @@
reg = <0x0 0x80000000 0x1 0x0>;
};

+ gpu@57000000 {
+ vdd-supply = <&vdd_gpu>;
+ };
+
/* debug port */
serial@70006000 {
status = "okay";
@@ -291,4 +295,18 @@
clock-frequency = <32768>;
};
};
+
+ regulators {
+ vdd_gpu: regulator@100 {
+ compatible = "pwm-regulator";
+ reg = <100>;
+ pwms = <&pwm 1 4880>;
+ regulator-name = "VDD_GPU";
+ regulator-min-microvolt = <710000>;
+ regulator-max-microvolt = <1320000>;
+ enable-gpios = <&pmic 6 GPIO_ACTIVE_HIGH>;
+ regulator-ramp-delay = <80>;
+ regulator-enable-ramp-delay = <1000>;
+ };
+ };
};
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index 83037cd62d01..0c848c18ca44 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -85,7 +85,13 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu)
write_sysreg(val, hcr_el2);
/* Trap on AArch32 cp15 c15 accesses (EL1 or EL0) */
write_sysreg(1 << 15, hstr_el2);
- /* Make sure we trap PMU access from EL0 to EL2 */
+ /*
+ * Make sure we trap PMU access from EL0 to EL2. Also sanitize
+ * PMSELR_EL0 to make sure it never contains the cycle
+ * counter, which could make a PMXEVCNTR_EL0 access UNDEF at
+ * EL1 instead of being trapped to EL2.
+ */
+ write_sysreg(0, pmselr_el0);
write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
__activate_traps_arch()();
diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S
index b6fcbaf5027b..3dc44b05fb97 100644
--- a/arch/powerpc/boot/ps3-head.S
+++ b/arch/powerpc/boot/ps3-head.S
@@ -57,11 +57,6 @@ __system_reset_overlay:
bctr

1:
- /* Save the value at addr zero for a null pointer write check later. */
-
- li r4, 0
- lwz r3, 0(r4)
-
/* Primary delays then goes to _zimage_start in wrapper. */

or 31, 31, 31 /* db16cyc */
diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c
index 4ec2d86d3c50..a05558a7e51a 100644
--- a/arch/powerpc/boot/ps3.c
+++ b/arch/powerpc/boot/ps3.c
@@ -119,13 +119,12 @@ void ps3_copy_vectors(void)
flush_cache((void *)0x100, 512);
}

-void platform_init(unsigned long null_check)
+void platform_init(void)
{
const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
void *chosen;
unsigned long ft_addr;
u64 rm_size;
- unsigned long val;

console_ops.write = ps3_console_write;
platform_ops.exit = ps3_exit;
@@ -153,11 +152,6 @@ void platform_init(unsigned long null_check)

printf(" flat tree at 0x%lx\n\r", ft_addr);

- val = *(unsigned long *)0;
-
- if (val != null_check)
- printf("null check failed: %lx != %lx\n\r", val, null_check);
-
((kernel_entry_t)0)(ft_addr, 0, NULL);

ps3_exit();
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 404b3aabdb4d..76fe3ccfd381 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -181,6 +181,28 @@ case "$elfformat" in
elf32-powerpc) format=elf32ppc ;;
esac

+ld_version()
+{
+ # Poached from scripts/ld-version.sh, but we don't want to call that because
+ # this script (wrapper) is distributed separately from the kernel source.
+ # Extract linker version number from stdin and turn into single number.
+ awk '{
+ gsub(".*\\)", "");
+ gsub(".*version ", "");
+ gsub("-.*", "");
+ split($1,a, ".");
+ print a[1]*100000000 + a[2]*1000000 + a[3]*10000;
+ exit
+ }'
+}
+
+# Do not include PT_INTERP segment when linking pie. Non-pie linking
+# just ignores this option.
+LD_VERSION=$(${CROSS}ld --version | ld_version)
+LD_NO_DL_MIN_VERSION=$(echo 2.26 | ld_version)
+if [ "$LD_VERSION" -ge "$LD_NO_DL_MIN_VERSION" ] ; then
+ nodl="--no-dynamic-linker"
+fi

platformo=$object/"$platform".o
lds=$object/zImage.lds
@@ -446,7 +468,7 @@ if [ "$platform" != "miboot" ]; then
text_start="-Ttext $link_address"
fi
#link everything
- ${CROSS}ld -m $format -T $lds $text_start $pie -o "$ofile" \
+ ${CROSS}ld -m $format -T $lds $text_start $pie $nodl -o "$ofile" \
$platformo $tmp $object/wrapper.a
rm $tmp
fi
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 28350a294b1e..5e12e19940e2 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -546,6 +546,7 @@ struct kvm_vcpu_arch {
u64 tfiar;

u32 cr_tm;
+ u64 xer_tm;
u64 lr_tm;
u64 ctr_tm;
u64 amr_tm;
diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h
index c93cf35ce379..0fb1326c3ea2 100644
--- a/arch/powerpc/include/uapi/asm/kvm.h
+++ b/arch/powerpc/include/uapi/asm/kvm.h
@@ -596,6 +596,7 @@ struct kvm_get_htab_header {
#define KVM_REG_PPC_TM_VSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67)
#define KVM_REG_PPC_TM_DSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68)
#define KVM_REG_PPC_TM_TAR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69)
+#define KVM_REG_PPC_TM_XER (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a)

/* PPC64 eXternal Interrupt Controller Specification */
#define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index caec7bf3b99a..c833d88c423d 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -569,6 +569,7 @@ int main(void)
DEFINE(VCPU_VRS_TM, offsetof(struct kvm_vcpu, arch.vr_tm.vr));
DEFINE(VCPU_VRSAVE_TM, offsetof(struct kvm_vcpu, arch.vrsave_tm));
DEFINE(VCPU_CR_TM, offsetof(struct kvm_vcpu, arch.cr_tm));
+ DEFINE(VCPU_XER_TM, offsetof(struct kvm_vcpu, arch.xer_tm));
DEFINE(VCPU_LR_TM, offsetof(struct kvm_vcpu, arch.lr_tm));
DEFINE(VCPU_CTR_TM, offsetof(struct kvm_vcpu, arch.ctr_tm));
DEFINE(VCPU_AMR_TM, offsetof(struct kvm_vcpu, arch.amr_tm));
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 04c546e20cc0..1f7f908f186e 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -214,9 +214,9 @@ booting_thread_hwid:
*/
_GLOBAL(book3e_start_thread)
LOAD_REG_IMMEDIATE(r5, MSR_KERNEL)
- cmpi 0, r3, 0
+ cmpwi r3, 0
beq 10f
- cmpi 0, r3, 1
+ cmpwi r3, 1
beq 11f
/* If the thread id is invalid, just exit. */
b 13f
@@ -241,9 +241,9 @@ _GLOBAL(book3e_start_thread)
* r3 = the thread physical id
*/
_GLOBAL(book3e_stop_thread)
- cmpi 0, r3, 0
+ cmpwi r3, 0
beq 10f
- cmpi 0, r3, 1
+ cmpwi r3, 1
beq 10f
/* If the thread id is invalid, just exit. */
b 13f
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3686471be32b..094deb60c6fe 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1288,6 +1288,9 @@ static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
case KVM_REG_PPC_TM_CR:
*val = get_reg_val(id, vcpu->arch.cr_tm);
break;
+ case KVM_REG_PPC_TM_XER:
+ *val = get_reg_val(id, vcpu->arch.xer_tm);
+ break;
case KVM_REG_PPC_TM_LR:
*val = get_reg_val(id, vcpu->arch.lr_tm);
break;
@@ -1498,6 +1501,9 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
case KVM_REG_PPC_TM_CR:
vcpu->arch.cr_tm = set_reg_val(id, *val);
break;
+ case KVM_REG_PPC_TM_XER:
+ vcpu->arch.xer_tm = set_reg_val(id, *val);
+ break;
case KVM_REG_PPC_TM_LR:
vcpu->arch.lr_tm = set_reg_val(id, *val);
break;
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 99b4e9d5dd23..5420d060c6f6 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -653,6 +653,8 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
HPTE_V_ABSENT);
do_tlbies(kvm, &rb, 1, global_invalidates(kvm, flags),
true);
+ /* Don't lose R/C bit updates done by hardware */
+ r |= be64_to_cpu(hpte[1]) & (HPTE_R_R | HPTE_R_C);
hpte[1] = cpu_to_be64(r);
}
}
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index c3c1d1bcfc67..6f81adb112f1 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -2600,11 +2600,13 @@ kvmppc_save_tm:
mfctr r7
mfspr r8, SPRN_AMR
mfspr r10, SPRN_TAR
+ mfxer r11
std r5, VCPU_LR_TM(r9)
stw r6, VCPU_CR_TM(r9)
std r7, VCPU_CTR_TM(r9)
std r8, VCPU_AMR_TM(r9)
std r10, VCPU_TAR_TM(r9)
+ std r11, VCPU_XER_TM(r9)

/* Restore r12 as trap number. */
lwz r12, VCPU_TRAP(r9)
@@ -2697,11 +2699,13 @@ kvmppc_restore_tm:
ld r7, VCPU_CTR_TM(r4)
ld r8, VCPU_AMR_TM(r4)
ld r9, VCPU_TAR_TM(r4)
+ ld r10, VCPU_XER_TM(r4)
mtlr r5
mtcr r6
mtctr r7
mtspr SPRN_AMR, r8
mtspr SPRN_TAR, r9
+ mtxer r10

/*
* Load up PPR and DSCR values but don't put them in the actual SPRs
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 7f7ba5f23f13..d027f2eb3559 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -445,7 +445,7 @@ static void __init setup_resources(void)
* part of the System RAM resource.
*/
if (crashk_res.end) {
- memblock_add(crashk_res.start, resource_size(&crashk_res));
+ memblock_add_node(crashk_res.start, resource_size(&crashk_res), 0);
memblock_reserve(crashk_res.start, resource_size(&crashk_res));
insert_resource(&iomem_resource, &crashk_res);
}
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 21b352a11b49..edba8606b99a 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -889,8 +889,8 @@ ftrace_graph_call:
jmp ftrace_stub
#endif

-.globl ftrace_stub
-ftrace_stub:
+/* This is weak to keep gas from relaxing the jumps */
+WEAK(ftrace_stub)
ret
END(ftrace_caller)

diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 6e395c996900..7fe88bb57e36 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -365,7 +365,11 @@ int x86_add_exclusive(unsigned int what)
{
int i;

- if (x86_pmu.lbr_pt_coexist)
+ /*
+ * When lbr_pt_coexist we allow PT to coexist with either LBR or BTS.
+ * LBR and BTS are still mutually exclusive.
+ */
+ if (x86_pmu.lbr_pt_coexist && what == x86_lbr_exclusive_pt)
return 0;

if (!atomic_inc_not_zero(&x86_pmu.lbr_exclusive[what])) {
@@ -388,7 +392,7 @@ int x86_add_exclusive(unsigned int what)

void x86_del_exclusive(unsigned int what)
{
- if (x86_pmu.lbr_pt_coexist)
+ if (x86_pmu.lbr_pt_coexist && what == x86_lbr_exclusive_pt)
return;

atomic_dec(&x86_pmu.lbr_exclusive[what]);
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index da51e5a3e2ff..fec8a461bdef 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -594,6 +594,9 @@ static int __init cstate_probe(const struct cstate_model *cm)

static inline void cstate_cleanup(void)
{
+ cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_CSTATE_ONLINE);
+ cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_CSTATE_STARTING);
+
if (has_cstate_core)
perf_pmu_unregister(&cstate_core_pmu);

@@ -606,16 +609,16 @@ static int __init cstate_init(void)
int err;

cpuhp_setup_state(CPUHP_AP_PERF_X86_CSTATE_STARTING,
- "AP_PERF_X86_CSTATE_STARTING", cstate_cpu_init,
- NULL);
+ "perf/x86/cstate:starting", cstate_cpu_init, NULL);
cpuhp_setup_state(CPUHP_AP_PERF_X86_CSTATE_ONLINE,
- "AP_PERF_X86_CSTATE_ONLINE", NULL, cstate_cpu_exit);
+ "perf/x86/cstate:online", NULL, cstate_cpu_exit);

if (has_cstate_core) {
err = perf_pmu_register(&cstate_core_pmu, cstate_core_pmu.name, -1);
if (err) {
has_cstate_core = false;
pr_info("Failed to register cstate core pmu\n");
+ cstate_cleanup();
return err;
}
}
@@ -629,8 +632,7 @@ static int __init cstate_init(void)
return err;
}
}
-
- return err;
+ return 0;
}

static int __init cstate_pmu_init(void)
@@ -655,8 +657,6 @@ module_init(cstate_pmu_init);

static void __exit cstate_pmu_exit(void)
{
- cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_CSTATE_ONLINE);
- cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_CSTATE_STARTING);
cstate_cleanup();
}
module_exit(cstate_pmu_exit);
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index a77ee026643d..bcbb1d2ae10b 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -604,7 +604,7 @@ struct x86_pmu {
u64 lbr_sel_mask; /* LBR_SELECT valid bits */
const int *lbr_sel_map; /* lbr_select mappings */
bool lbr_double_abort; /* duplicated lbr aborts */
- bool lbr_pt_coexist; /* LBR may coexist with PT */
+ bool lbr_pt_coexist; /* (LBR|BTS) may coexist with PT */

/*
* Intel PT/LBR/BTS are exclusive
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 88c657b057e2..f2234918e494 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2159,21 +2159,6 @@ int __generic_processor_info(int apicid, int version, bool enabled)
}

/*
- * This can happen on physical hotplug. The sanity check at boot time
- * is done from native_smp_prepare_cpus() after num_possible_cpus() is
- * established.
- */
- if (topology_update_package_map(apicid, cpu) < 0) {
- int thiscpu = max + disabled_cpus;
-
- pr_warning("APIC: Package limit reached. Processor %d/0x%x ignored.\n",
- thiscpu, apicid);
-
- disabled_cpus++;
- return -ENOSPC;
- }
-
- /*
* Validate version
*/
if (version == 0x0) {
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index cc9e980c68ec..c2048b44851c 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -979,29 +979,21 @@ static void x86_init_cache_qos(struct cpuinfo_x86 *c)
}

/*
- * The physical to logical package id mapping is initialized from the
- * acpi/mptables information. Make sure that CPUID actually agrees with
- * that.
+ * Validate that ACPI/mptables have the same information about the
+ * effective APIC id and update the package map.
*/
-static void sanitize_package_id(struct cpuinfo_x86 *c)
+static void validate_apic_and_package_id(struct cpuinfo_x86 *c)
{
#ifdef CONFIG_SMP
- unsigned int pkg, apicid, cpu = smp_processor_id();
+ unsigned int apicid, cpu = smp_processor_id();

apicid = apic->cpu_present_to_apicid(cpu);
- pkg = apicid >> boot_cpu_data.x86_coreid_bits;

- if (apicid != c->initial_apicid) {
- pr_err(FW_BUG "CPU%u: APIC id mismatch. Firmware: %x CPUID: %x\n",
+ if (apicid != c->apicid) {
+ pr_err(FW_BUG "CPU%u: APIC id mismatch. Firmware: %x APIC: %x\n",
cpu, apicid, c->initial_apicid);
- c->initial_apicid = apicid;
}
- if (pkg != c->phys_proc_id) {
- pr_err(FW_BUG "CPU%u: Using firmware package id %u instead of %u\n",
- cpu, pkg, c->phys_proc_id);
- c->phys_proc_id = pkg;
- }
- c->logical_proc_id = topology_phys_to_logical_pkg(pkg);
+ BUG_ON(topology_update_package_map(c->phys_proc_id, cpu));
#else
c->logical_proc_id = 0;
#endif
@@ -1132,7 +1124,6 @@ static void identify_cpu(struct cpuinfo_x86 *c)
#ifdef CONFIG_NUMA
numa_add_cpu(smp_processor_id());
#endif
- sanitize_package_id(c);
}

/*
@@ -1188,6 +1179,7 @@ void identify_secondary_cpu(struct cpuinfo_x86 *c)
enable_sep_cpu();
#endif
mtrr_ap_init();
+ validate_apic_and_package_id(c);
}

struct msr_range {
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 42f5eb7b4f6c..e9bbe02950ad 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -104,7 +104,6 @@ static unsigned int max_physical_pkg_id __read_mostly;
unsigned int __max_logical_packages __read_mostly;
EXPORT_SYMBOL(__max_logical_packages);
static unsigned int logical_packages __read_mostly;
-static bool logical_packages_frozen __read_mostly;

/* Maximum number of SMT threads on any online core */
int __max_smt_threads __read_mostly;
@@ -263,9 +262,14 @@ static void notrace start_secondary(void *unused)
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}

-int topology_update_package_map(unsigned int apicid, unsigned int cpu)
+/**
+ * topology_update_package_map - Update the physical to logical package map
+ * @pkg: The physical package id as retrieved via CPUID
+ * @cpu: The cpu for which this is updated
+ */
+int topology_update_package_map(unsigned int pkg, unsigned int cpu)
{
- unsigned int new, pkg = apicid >> boot_cpu_data.x86_coreid_bits;
+ unsigned int new;

/* Called from early boot ? */
if (!physical_package_map)
@@ -278,16 +282,17 @@ int topology_update_package_map(unsigned int apicid, unsigned int cpu)
if (test_and_set_bit(pkg, physical_package_map))
goto found;

- if (logical_packages_frozen) {
- physical_to_logical_pkg[pkg] = -1;
- pr_warn("APIC(%x) Package %u exceeds logical package max\n",
- apicid, pkg);
+ if (logical_packages >= __max_logical_packages) {
+ pr_warn("Package %u of CPU %u exceeds BIOS package data %u.\n",
+ logical_packages, cpu, __max_logical_packages);
return -ENOSPC;
}

new = logical_packages++;
- pr_info("APIC(%x) Converting physical %u to logical package %u\n",
- apicid, pkg, new);
+ if (new != pkg) {
+ pr_info("CPU %u Converting physical %u to logical package %u\n",
+ cpu, pkg, new);
+ }
physical_to_logical_pkg[pkg] = new;

found:
@@ -308,9 +313,9 @@ int topology_phys_to_logical_pkg(unsigned int phys_pkg)
}
EXPORT_SYMBOL(topology_phys_to_logical_pkg);

-static void __init smp_init_package_map(void)
+static void __init smp_init_package_map(struct cpuinfo_x86 *c, unsigned int cpu)
{
- unsigned int ncpus, cpu;
+ unsigned int ncpus;
size_t size;

/*
@@ -355,27 +360,9 @@ static void __init smp_init_package_map(void)
size = BITS_TO_LONGS(max_physical_pkg_id) * sizeof(unsigned long);
physical_package_map = kzalloc(size, GFP_KERNEL);

- for_each_present_cpu(cpu) {
- unsigned int apicid = apic->cpu_present_to_apicid(cpu);
-
- if (apicid == BAD_APICID || !apic->apic_id_valid(apicid))
- continue;
- if (!topology_update_package_map(apicid, cpu))
- continue;
- pr_warn("CPU %u APICId %x disabled\n", cpu, apicid);
- per_cpu(x86_bios_cpu_apicid, cpu) = BAD_APICID;
- set_cpu_possible(cpu, false);
- set_cpu_present(cpu, false);
- }
-
- if (logical_packages > __max_logical_packages) {
- pr_warn("Detected more packages (%u), then computed by BIOS data (%u).\n",
- logical_packages, __max_logical_packages);
- logical_packages_frozen = true;
- __max_logical_packages = logical_packages;
- }
-
pr_info("Max logical packages: %u\n", __max_logical_packages);
+
+ topology_update_package_map(c->phys_proc_id, cpu);
}

void __init smp_store_boot_cpu_info(void)
@@ -385,7 +372,7 @@ void __init smp_store_boot_cpu_info(void)

*c = boot_cpu_data;
c->cpu_index = id;
- smp_init_package_map();
+ smp_init_package_map(c, id);
}

/*
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 5382b82462fc..64774f419c72 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1343,10 +1343,10 @@ static inline bool nested_cpu_has_posted_intr(struct vmcs12 *vmcs12)
return vmcs12->pin_based_vm_exec_control & PIN_BASED_POSTED_INTR;
}

-static inline bool is_exception(u32 intr_info)
+static inline bool is_nmi(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
- == (INTR_TYPE_HARD_EXCEPTION | INTR_INFO_VALID_MASK);
+ == (INTR_TYPE_NMI_INTR | INTR_INFO_VALID_MASK);
}

static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
@@ -5476,7 +5476,7 @@ static int handle_exception(struct kvm_vcpu *vcpu)
if (is_machine_check(intr_info))
return handle_machine_check(vcpu);

- if ((intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR)
+ if (is_nmi(intr_info))
return 1; /* already handled by vmx_vcpu_run() */

if (is_no_device(intr_info)) {
@@ -8018,7 +8018,7 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)

switch (exit_reason) {
case EXIT_REASON_EXCEPTION_NMI:
- if (!is_exception(intr_info))
+ if (is_nmi(intr_info))
return false;
else if (is_page_fault(intr_info))
return enable_ept;
@@ -8611,8 +8611,7 @@ static void vmx_complete_atomic_exit(struct vcpu_vmx *vmx)
kvm_machine_check();

/* We need to handle NMIs before interrupts are enabled */
- if ((exit_intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR &&
- (exit_intr_info & INTR_INFO_VALID_MASK)) {
+ if (is_nmi(exit_intr_info)) {
kvm_before_handle_nmi(&vmx->vcpu);
asm("int $2");
kvm_after_handle_nmi(&vmx->vcpu);
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 9fa27ceeecfd..311acad7dad2 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -87,12 +87,6 @@ static void cpu_bringup(void)
cpu_data(cpu).x86_max_cores = 1;
set_cpu_sibling_map(cpu);

- /*
- * identify_cpu() may have set logical_pkg_id to -1 due
- * to incorrect phys_proc_id. Let's re-comupte it.
- */
- topology_update_package_map(apic->cpu_present_to_apicid(cpu), cpu);
-
xen_setup_cpu_clockevents();

notify_cpu_starting(cpu);
diff --git a/block/bsg.c b/block/bsg.c
index d214e929ce18..b9a53615bdef 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -655,6 +655,9 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)

dprintk("%s: write %Zd bytes\n", bd->name, count);

+ if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
+ return -EINVAL;
+
bsg_set_block(bd, file);

bytes_written = 0;
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index a6b36fc53aec..02ded25c82e4 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -296,6 +296,26 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"),
},
},
+ {
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1123661 */
+ .callback = video_detect_force_native,
+ .ident = "Dell XPS 17 L702X",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Dell System XPS L702X"),
+ },
+ },
+ {
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1204476 */
+ /* https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1416940 */
+ .callback = video_detect_force_native,
+ .ident = "HP Pavilion dv6",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6 Notebook PC"),
+ },
+ },
+
{ },
};

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 22d1760a4278..a95e1e572697 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -955,13 +955,14 @@ static int _request_firmware_load(struct firmware_priv *fw_priv,
timeout = MAX_JIFFY_OFFSET;
}

- retval = wait_for_completion_interruptible_timeout(&buf->completion,
+ timeout = wait_for_completion_interruptible_timeout(&buf->completion,
timeout);
- if (retval == -ERESTARTSYS || !retval) {
+ if (timeout == -ERESTARTSYS || !timeout) {
+ retval = timeout;
mutex_lock(&fw_lock);
fw_load_abort(fw_priv);
mutex_unlock(&fw_lock);
- } else if (retval > 0) {
+ } else if (timeout > 0) {
retval = 0;
}

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 8c7763fd9efc..3bbd2a58db47 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -751,7 +751,9 @@ static void bcm2835_pll_divider_off(struct clk_hw *hw)
cprman_write(cprman, data->cm_reg,
(cprman_read(cprman, data->cm_reg) &
~data->load_mask) | data->hold_mask);
- cprman_write(cprman, data->a2w_reg, A2W_PLL_CHANNEL_DISABLE);
+ cprman_write(cprman, data->a2w_reg,
+ cprman_read(cprman, data->a2w_reg) |
+ A2W_PLL_CHANNEL_DISABLE);
spin_unlock(&cprman->regs_lock);
}

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 5b0042776ec7..adba614b3965 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -413,7 +413,7 @@ static irqreturn_t stmpe_gpio_irq(int irq, void *dev)
stmpe->partnum != STMPE1801) {
stmpe_reg_write(stmpe, statmsbreg + i, status[i]);
stmpe_reg_write(stmpe,
- stmpe->regs[STMPE_IDX_GPEDR_LSB + i],
+ stmpe->regs[STMPE_IDX_GPEDR_MSB] + i,
status[i]);
}
}
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 868128a676ba..90621fb93941 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -986,7 +986,8 @@ static int gpio_chrdev_open(struct inode *inode, struct file *filp)
return -ENODEV;
get_device(&gdev->dev);
filp->private_data = gdev;
- return 0;
+
+ return nonseekable_open(inode, filp);
}

/**
@@ -1011,7 +1012,7 @@ static const struct file_operations gpio_fileops = {
.release = gpio_chrdev_release,
.open = gpio_chrdev_open,
.owner = THIS_MODULE,
- .llseek = noop_llseek,
+ .llseek = no_llseek,
.unlocked_ioctl = gpio_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = gpio_ioctl_compat,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 9260caef74fa..882404cefbc2 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -2577,6 +2577,9 @@ static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
struct amdgpu_device *adev = crtc->dev->dev_private;
int xorigin = 0, yorigin = 0;

+ amdgpu_crtc->cursor_x = x;
+ amdgpu_crtc->cursor_y = y;
+
/* avivo cursor are offset into the total surface */
x += crtc->x;
y += crtc->y;
@@ -2596,9 +2599,6 @@ static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));

- amdgpu_crtc->cursor_x = x;
- amdgpu_crtc->cursor_y = y;
-
return 0;
}

@@ -2661,12 +2661,11 @@ static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
return ret;
}

- amdgpu_crtc->cursor_width = width;
- amdgpu_crtc->cursor_height = height;
-
dce_v10_0_lock_cursor(crtc, true);

- if (hot_x != amdgpu_crtc->cursor_hot_x ||
+ if (width != amdgpu_crtc->cursor_width ||
+ height != amdgpu_crtc->cursor_height ||
+ hot_x != amdgpu_crtc->cursor_hot_x ||
hot_y != amdgpu_crtc->cursor_hot_y) {
int x, y;

@@ -2675,6 +2674,8 @@ static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,

dce_v10_0_cursor_move_locked(crtc, x, y);

+ amdgpu_crtc->cursor_width = width;
+ amdgpu_crtc->cursor_height = height;
amdgpu_crtc->cursor_hot_x = hot_x;
amdgpu_crtc->cursor_hot_y = hot_y;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 367739bd1927..7ddc32127d88 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -2593,6 +2593,9 @@ static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
struct amdgpu_device *adev = crtc->dev->dev_private;
int xorigin = 0, yorigin = 0;

+ amdgpu_crtc->cursor_x = x;
+ amdgpu_crtc->cursor_y = y;
+
/* avivo cursor are offset into the total surface */
x += crtc->x;
y += crtc->y;
@@ -2612,9 +2615,6 @@ static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));

- amdgpu_crtc->cursor_x = x;
- amdgpu_crtc->cursor_y = y;
-
return 0;
}

@@ -2677,12 +2677,11 @@ static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
return ret;
}

- amdgpu_crtc->cursor_width = width;
- amdgpu_crtc->cursor_height = height;
-
dce_v11_0_lock_cursor(crtc, true);

- if (hot_x != amdgpu_crtc->cursor_hot_x ||
+ if (width != amdgpu_crtc->cursor_width ||
+ height != amdgpu_crtc->cursor_height ||
+ hot_x != amdgpu_crtc->cursor_hot_x ||
hot_y != amdgpu_crtc->cursor_hot_y) {
int x, y;

@@ -2691,6 +2690,8 @@ static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,

dce_v11_0_cursor_move_locked(crtc, x, y);

+ amdgpu_crtc->cursor_width = width;
+ amdgpu_crtc->cursor_height = height;
amdgpu_crtc->cursor_hot_x = hot_x;
amdgpu_crtc->cursor_hot_y = hot_y;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index 15f9fc0514b2..fde6ee1f6f2b 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -1933,6 +1933,9 @@ static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,

int w = amdgpu_crtc->cursor_width;

+ amdgpu_crtc->cursor_x = x;
+ amdgpu_crtc->cursor_y = y;
+
/* avivo cursor are offset into the total surface */
x += crtc->x;
y += crtc->y;
@@ -1952,8 +1955,6 @@ static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
WREG32(EVERGREEN_CUR_SIZE + amdgpu_crtc->crtc_offset,
((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));

- amdgpu_crtc->cursor_x = x;
- amdgpu_crtc->cursor_y = y;
return 0;
}

@@ -2016,12 +2017,11 @@ static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
return ret;
}

- amdgpu_crtc->cursor_width = width;
- amdgpu_crtc->cursor_height = height;
-
dce_v6_0_lock_cursor(crtc, true);

- if (hot_x != amdgpu_crtc->cursor_hot_x ||
+ if (width != amdgpu_crtc->cursor_width ||
+ height != amdgpu_crtc->cursor_height ||
+ hot_x != amdgpu_crtc->cursor_hot_x ||
hot_y != amdgpu_crtc->cursor_hot_y) {
int x, y;

@@ -2030,6 +2030,8 @@ static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,

dce_v6_0_cursor_move_locked(crtc, x, y);

+ amdgpu_crtc->cursor_width = width;
+ amdgpu_crtc->cursor_height = height;
amdgpu_crtc->cursor_hot_x = hot_x;
amdgpu_crtc->cursor_hot_y = hot_y;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index 8c4d808db0f1..7d9ffde0a628 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2465,6 +2465,9 @@ static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
struct amdgpu_device *adev = crtc->dev->dev_private;
int xorigin = 0, yorigin = 0;

+ amdgpu_crtc->cursor_x = x;
+ amdgpu_crtc->cursor_y = y;
+
/* avivo cursor are offset into the total surface */
x += crtc->x;
y += crtc->y;
@@ -2484,9 +2487,6 @@ static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));

- amdgpu_crtc->cursor_x = x;
- amdgpu_crtc->cursor_y = y;
-
return 0;
}

@@ -2549,12 +2549,11 @@ static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,
return ret;
}

- amdgpu_crtc->cursor_width = width;
- amdgpu_crtc->cursor_height = height;
-
dce_v8_0_lock_cursor(crtc, true);

- if (hot_x != amdgpu_crtc->cursor_hot_x ||
+ if (width != amdgpu_crtc->cursor_width ||
+ height != amdgpu_crtc->cursor_height ||
+ hot_x != amdgpu_crtc->cursor_hot_x ||
hot_y != amdgpu_crtc->cursor_hot_y) {
int x, y;

@@ -2563,6 +2562,8 @@ static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,

dce_v8_0_cursor_move_locked(crtc, x, y);

+ amdgpu_crtc->cursor_width = width;
+ amdgpu_crtc->cursor_height = height;
amdgpu_crtc->cursor_hot_x = hot_x;
amdgpu_crtc->cursor_hot_y = hot_y;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index bb97182dc749..a88d365be4c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3947,8 +3947,12 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev)
temp = mmRLC_SRM_INDEX_CNTL_ADDR_0;
data = mmRLC_SRM_INDEX_CNTL_DATA_0;
for (i = 0; i < sizeof(unique_indices) / sizeof(int); i++) {
- amdgpu_mm_wreg(adev, temp + i, unique_indices[i] & 0x3FFFF, false);
- amdgpu_mm_wreg(adev, data + i, unique_indices[i] >> 20, false);
+ if (unique_indices[i] != 0) {
+ amdgpu_mm_wreg(adev, temp + i,
+ unique_indices[i] & 0x3FFFF, false);
+ amdgpu_mm_wreg(adev, data + i,
+ unique_indices[i] >> 20, false);
+ }
}
kfree(register_list_format);

@@ -3994,7 +3998,7 @@ static void cz_enable_sck_slow_down_on_power_down(struct amdgpu_device *adev,

static void cz_enable_cp_power_gating(struct amdgpu_device *adev, bool enable)
{
- WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 1 : 0);
+ WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 0 : 1);
}

static void gfx_v8_0_init_pg(struct amdgpu_device *adev)
@@ -5891,29 +5895,24 @@ static void gfx_v8_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev
adev->gfx.rlc.funcs->enter_safe_mode(adev);

if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGCG)) {
- /* 1 enable cntx_empty_int_enable/cntx_busy_int_enable/
- * Cmp_busy/GFX_Idle interrupts
- */
- gfx_v8_0_enable_gui_idle_interrupt(adev, true);
-
temp1 = data1 = RREG32(mmRLC_CGTT_MGCG_OVERRIDE);
data1 &= ~RLC_CGTT_MGCG_OVERRIDE__CGCG_MASK;
if (temp1 != data1)
WREG32(mmRLC_CGTT_MGCG_OVERRIDE, data1);

- /* 2 wait for RLC_SERDES_CU_MASTER & RLC_SERDES_NONCU_MASTER idle */
+ /* : wait for RLC_SERDES_CU_MASTER & RLC_SERDES_NONCU_MASTER idle */
gfx_v8_0_wait_for_rlc_serdes(adev);

- /* 3 - clear cgcg override */
+ /* 2 - clear cgcg override */
gfx_v8_0_send_serdes_cmd(adev, BPM_REG_CGCG_OVERRIDE, CLE_BPM_SERDES_CMD);

/* wait for RLC_SERDES_CU_MASTER & RLC_SERDES_NONCU_MASTER idle */
gfx_v8_0_wait_for_rlc_serdes(adev);

- /* 4 - write cmd to set CGLS */
+ /* 3 - write cmd to set CGLS */
gfx_v8_0_send_serdes_cmd(adev, BPM_REG_CGLS_EN, SET_BPM_SERDES_CMD);

- /* 5 - enable cgcg */
+ /* 4 - enable cgcg */
data |= RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;

if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGLS) {
@@ -5931,6 +5930,11 @@ static void gfx_v8_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev

if (temp != data)
WREG32(mmRLC_CGCG_CGLS_CTRL, data);
+
+ /* 5 enable cntx_empty_int_enable/cntx_busy_int_enable/
+ * Cmp_busy/GFX_Idle interrupts
+ */
+ gfx_v8_0_enable_gui_idle_interrupt(adev, true);
} else {
/* disable cntx_empty_int_enable & GFX Idle interrupt */
gfx_v8_0_enable_gui_idle_interrupt(adev, false);
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index d6f85b1a0b93..6d2ea76f4eb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -3504,6 +3504,7 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
(adev->pdev->revision == 0x80) ||
(adev->pdev->revision == 0x81) ||
(adev->pdev->revision == 0x83) ||
+ (adev->pdev->revision == 0x87) ||
(adev->pdev->device == 0x6604) ||
(adev->pdev->device == 0x6605)) {
max_sclk = 75000;
@@ -7713,6 +7714,7 @@ static int si_dpm_init_microcode(struct amdgpu_device *adev)
(adev->pdev->revision == 0x80) ||
(adev->pdev->revision == 0x81) ||
(adev->pdev->revision == 0x83) ||
+ (adev->pdev->revision == 0x87) ||
(adev->pdev->device == 0x6604) ||
(adev->pdev->device == 0x6605))
chip_name = "oland_k";
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
index 76310ac7ef0d..dca1b13fda2f 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
@@ -1958,6 +1958,12 @@ int fiji_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
int res;
uint64_t tmp64;

+ if (hwmgr->thermal_controller.fanInfo.bNoFan) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl);
+ return 0;
+ }
+
if (smu_data->smu7_data.fan_table_start == 0) {
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_MicrocodeFanControl);
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
index 8c889caba420..6c26b83655d0 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
@@ -2006,6 +2006,12 @@ int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
return 0;

+ if (hwmgr->thermal_controller.fanInfo.bNoFan) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl);
+ return 0;
+ }
+
if (0 == smu7_data->fan_table_start) {
phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
index 71bb2f8dc157..8ca1a3341dea 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
@@ -1885,6 +1885,12 @@ int polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
int res;
uint64_t tmp64;

+ if (hwmgr->thermal_controller.fanInfo.bNoFan) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl);
+ return 0;
+ }
+
if (smu_data->smu7_data.fan_table_start == 0) {
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_MicrocodeFanControl);
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
index de2a24d85f48..a6619e530fe3 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
@@ -2496,6 +2496,12 @@ int tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_MicrocodeFanControl))
return 0;

+ if (hwmgr->thermal_controller.fanInfo.bNoFan) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl);
+ return 0;
+ }
+
if (0 == smu_data->smu7_data.fan_table_start) {
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_MicrocodeFanControl);
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 904beaa932d0..f75c6421db62 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -223,7 +223,8 @@ static int ast_get_dram_info(struct drm_device *dev)
ast_write32(ast, 0x10000, 0xfc600309);

do {
- ;
+ if (pci_channel_offline(dev->pdev))
+ return -EIO;
} while (ast_read32(ast, 0x10000) != 0x01);
data = ast_read32(ast, 0x10004);

@@ -428,7 +429,9 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
ast_detect_chip(dev, &need_post);

if (ast->chip != AST1180) {
- ast_get_dram_info(dev);
+ ret = ast_get_dram_info(dev);
+ if (ret)
+ goto out_free;
ast->vram_size = ast_get_vram_info(dev);
DRM_INFO("dram %d %d %d %08x\n", ast->mclk, ast->dram_type, ast->dram_bus_width, ast->vram_size);
}
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 50eb944fb78a..8f3ca526bd1b 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -473,6 +473,9 @@ static const struct file_operations psb_gem_fops = {
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = psb_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.mmap = drm_gem_mmap,
.poll = drm_poll,
.read = drm_read,
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index 59989e8ee5dc..9a71ed546b90 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -55,10 +55,9 @@ int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv,
return -ENODEV;

/* See the comment at the drm_mm_init() call for more about this check.
- * WaSkipStolenMemoryFirstPage:bdw,chv,kbl (incomplete)
+ * WaSkipStolenMemoryFirstPage:bdw+ (incomplete)
*/
- if (start < 4096 && (IS_GEN8(dev_priv) ||
- IS_KBL_REVID(dev_priv, 0, KBL_REVID_A0)))
+ if (start < 4096 && INTEL_GEN(dev_priv) >= 8)
start = 4096;

mutex_lock(&dev_priv->mm.stolen_lock);
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 1012eeea1324..306fc54c161b 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -460,7 +460,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev,

static DEVICE_ATTR(gt_act_freq_mhz, S_IRUGO, gt_act_freq_mhz_show, NULL);
static DEVICE_ATTR(gt_cur_freq_mhz, S_IRUGO, gt_cur_freq_mhz_show, NULL);
-static DEVICE_ATTR(gt_boost_freq_mhz, S_IRUGO, gt_boost_freq_mhz_show, gt_boost_freq_mhz_store);
+static DEVICE_ATTR(gt_boost_freq_mhz, S_IRUGO | S_IWUSR, gt_boost_freq_mhz_show, gt_boost_freq_mhz_store);
static DEVICE_ATTR(gt_max_freq_mhz, S_IRUGO | S_IWUSR, gt_max_freq_mhz_show, gt_max_freq_mhz_store);
static DEVICE_ATTR(gt_min_freq_mhz, S_IRUGO | S_IWUSR, gt_min_freq_mhz_show, gt_min_freq_mhz_store);

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3cb70d73239b..71441c329603 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13970,8 +13970,9 @@ static int intel_modeset_checks(struct drm_atomic_state *state)

DRM_DEBUG_KMS("New cdclk calculated to be atomic %u, actual %u\n",
intel_state->cdclk, intel_state->dev_cdclk);
- } else
+ } else {
to_intel_atomic_state(state)->cdclk = dev_priv->atomic_cdclk_freq;
+ }

intel_modeset_clear_plls(state);

@@ -14072,8 +14073,9 @@ static int intel_atomic_check(struct drm_device *dev,

if (ret)
return ret;
- } else
- intel_state->cdclk = dev_priv->cdclk_freq;
+ } else {
+ intel_state->cdclk = dev_priv->atomic_cdclk_freq;
+ }

ret = drm_atomic_helper_check_planes(dev, state);
if (ret)
@@ -16441,6 +16443,7 @@ void intel_modeset_init(struct drm_device *dev)

intel_update_czclk(dev_priv);
intel_update_cdclk(dev);
+ dev_priv->atomic_cdclk_freq = dev_priv->cdclk_freq;

intel_shared_dpll_init(dev);

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index cd154ce6b6c1..34601574fc6e 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -296,7 +296,8 @@ static void chv_exec_gpio(struct drm_i915_private *dev_priv,
mutex_lock(&dev_priv->sb_lock);
vlv_iosf_sb_write(dev_priv, port, cfg1, 0);
vlv_iosf_sb_write(dev_priv, port, cfg0,
- CHV_GPIO_GPIOCFG_GPO | CHV_GPIO_GPIOTXSTATE(value));
+ CHV_GPIO_GPIOEN | CHV_GPIO_GPIOCFG_GPO |
+ CHV_GPIO_GPIOTXSTATE(value));
mutex_unlock(&dev_priv->sb_lock);
}

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index a38c2fefe85a..23ed3f5972fa 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -1065,7 +1065,18 @@ static bool vlv_power_well_enabled(struct drm_i915_private *dev_priv,

static void vlv_init_display_clock_gating(struct drm_i915_private *dev_priv)
{
- I915_WRITE(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE);
+ u32 val;
+
+ /*
+ * On driver load, a pipe may be active and driving a DSI display.
+ * Preserve DPOUNIT_CLOCK_GATE_DISABLE to avoid the pipe getting stuck
+ * (and never recovering) in this case. intel_dsi_post_disable() will
+ * clear it when we turn off the display.
+ */
+ val = I915_READ(DSPCLK_GATE_D);
+ val &= DPOUNIT_CLOCK_GATE_DISABLE;
+ val |= VRHUNIT_CLOCK_GATE_DISABLE;
+ I915_WRITE(DSPCLK_GATE_D, val);

/*
* Disable trickle feed and enable pnd deadline calculation
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index a1570b109434..23ffe8571a99 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -333,6 +333,9 @@ get_fp_strap(struct drm_device *dev, struct nvbios *bios)
if (bios->major_version < 5 && bios->data[0x48] & 0x4)
return NVReadVgaCrtc5758(dev, 0, 0xf) & 0xf;

+ if (drm->device.info.family >= NV_DEVICE_INFO_V0_MAXWELL)
+ return nvif_rd32(device, 0x001800) & 0x0000000f;
+ else
if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
return (nvif_rd32(device, NV_PEXTDEV_BOOT_0) >> 24) & 0xf;
else
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 343b8659472c..a2e6a81669e7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1209,6 +1209,7 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem)
nvbo->page_shift != vma->vm->mmu->lpg_shift)) {
nvkm_vm_map(vma, new_mem->mm_node);
} else {
+ WARN_ON(ttm_bo_wait(bo, false, false));
nvkm_vm_unmap(vma);
}
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index 7218a067a6c5..e0d7f8472ac6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -1851,7 +1851,7 @@ nvf1_chipset = {
.fb = gk104_fb_new,
.fuse = gf100_fuse_new,
.gpio = gk104_gpio_new,
- .i2c = gf119_i2c_new,
+ .i2c = gk104_i2c_new,
.ibus = gk104_ibus_new,
.iccsense = gf100_iccsense_new,
.imem = nv50_instmem_new,
@@ -1965,7 +1965,7 @@ nv117_chipset = {
.fb = gm107_fb_new,
.fuse = gm107_fuse_new,
.gpio = gk104_gpio_new,
- .i2c = gf119_i2c_new,
+ .i2c = gk104_i2c_new,
.ibus = gk104_ibus_new,
.iccsense = gf100_iccsense_new,
.imem = nv50_instmem_new,
@@ -1999,7 +1999,7 @@ nv118_chipset = {
.fb = gm107_fb_new,
.fuse = gm107_fuse_new,
.gpio = gk104_gpio_new,
- .i2c = gf119_i2c_new,
+ .i2c = gk104_i2c_new,
.ibus = gk104_ibus_new,
.iccsense = gf100_iccsense_new,
.imem = nv50_instmem_new,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
index cbc67f262322..12d964260a29 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
@@ -60,6 +60,7 @@ gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
struct nvkm_gpuobj *inst = chan->base.inst;
int ret = 0;

+ mutex_lock(&subdev->mutex);
nvkm_wr32(device, 0x002634, chan->base.chid);
if (nvkm_msec(device, 2000,
if (nvkm_rd32(device, 0x002634) == chan->base.chid)
@@ -67,10 +68,12 @@ gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
) < 0) {
nvkm_error(subdev, "channel %d [%s] kick timeout\n",
chan->base.chid, chan->base.object.client->name);
- ret = -EBUSY;
- if (suspend)
- return ret;
+ ret = -ETIMEDOUT;
}
+ mutex_unlock(&subdev->mutex);
+
+ if (ret && suspend)
+ return ret;

if (offset) {
nvkm_kmap(inst);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
index ed4351032ed6..a2df4f3e7763 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
@@ -40,7 +40,9 @@ gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan)
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_client *client = chan->base.object.client;
+ int ret = 0;

+ mutex_lock(&subdev->mutex);
nvkm_wr32(device, 0x002634, chan->base.chid);
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x002634) & 0x00100000))
@@ -48,10 +50,10 @@ gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan)
) < 0) {
nvkm_error(subdev, "channel %d [%s] kick timeout\n",
chan->base.chid, client->name);
- return -EBUSY;
+ ret = -ETIMEDOUT;
}
-
- return 0;
+ mutex_unlock(&subdev->mutex);
+ return ret;
}

static u32
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 157919c788e6..6584d505460c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -1756,6 +1756,50 @@ gf100_gr_ = {
};

int
+gf100_gr_ctor_fw_legacy(struct gf100_gr *gr, const char *fwname,
+ struct gf100_gr_fuc *fuc, int ret)
+{
+ struct nvkm_subdev *subdev = &gr->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ const struct firmware *fw;
+ char f[32];
+
+ /* see if this firmware has a legacy path */
+ if (!strcmp(fwname, "fecs_inst"))
+ fwname = "fuc409c";
+ else if (!strcmp(fwname, "fecs_data"))
+ fwname = "fuc409d";
+ else if (!strcmp(fwname, "gpccs_inst"))
+ fwname = "fuc41ac";
+ else if (!strcmp(fwname, "gpccs_data"))
+ fwname = "fuc41ad";
+ else {
+ /* nope, let's just return the error we got */
+ nvkm_error(subdev, "failed to load %s\n", fwname);
+ return ret;
+ }
+
+ /* yes, try to load from the legacy path */
+ nvkm_debug(subdev, "%s: falling back to legacy path\n", fwname);
+
+ snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, fwname);
+ ret = request_firmware(&fw, f, device->dev);
+ if (ret) {
+ snprintf(f, sizeof(f), "nouveau/%s", fwname);
+ ret = request_firmware(&fw, f, device->dev);
+ if (ret) {
+ nvkm_error(subdev, "failed to load %s\n", fwname);
+ return ret;
+ }
+ }
+
+ fuc->size = fw->size;
+ fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
+ release_firmware(fw);
+ return (fuc->data != NULL) ? 0 : -ENOMEM;
+}
+
+int
gf100_gr_ctor_fw(struct gf100_gr *gr, const char *fwname,
struct gf100_gr_fuc *fuc)
{
@@ -1765,10 +1809,8 @@ gf100_gr_ctor_fw(struct gf100_gr *gr, const char *fwname,
int ret;

ret = nvkm_firmware_get(device, fwname, &fw);
- if (ret) {
- nvkm_error(subdev, "failed to load %s\n", fwname);
- return ret;
- }
+ if (ret)
+ return gf100_gr_ctor_fw_legacy(gr, fwname, fuc, ret);

fuc->size = fw->size;
fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
index 212800ecdce9..7d1d3c6b4b72 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
@@ -12,6 +12,7 @@ struct nvbios_source {
bool rw;
bool ignore_checksum;
bool no_pcir;
+ bool require_checksum;
};

int nvbios_extend(struct nvkm_bios *, u32 length);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
index b2557e87afdd..7deb81b6dbac 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
@@ -86,9 +86,12 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd)
nvbios_checksum(&bios->data[image.base], image.size)) {
nvkm_debug(subdev, "%08x: checksum failed\n",
image.base);
- if (mthd->func->rw)
+ if (!mthd->func->require_checksum) {
+ if (mthd->func->rw)
+ score += 1;
score += 1;
- score += 1;
+ } else
+ return 0;
} else {
score += 3;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
index 8fecb5ff22a0..06572f8ce914 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
@@ -99,6 +99,7 @@ nvbios_acpi_fast = {
.init = acpi_init,
.read = acpi_read_fast,
.rw = false,
+ .require_checksum = true,
};

const struct nvbios_source
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
index 39c2a38e54f7..0c7ef250dcaf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
@@ -47,8 +47,10 @@ nvkm_ltc_tags_clear(struct nvkm_ltc *ltc, u32 first, u32 count)

BUG_ON((first > limit) || (limit >= ltc->num_tags));

+ mutex_lock(&ltc->subdev.mutex);
ltc->func->cbc_clear(ltc, first, limit);
ltc->func->cbc_wait(ltc);
+ mutex_unlock(&ltc->subdev.mutex);
}

int
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 2a10e24b34b1..87a72476d313 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -90,6 +90,9 @@ static void radeon_show_cursor(struct drm_crtc *crtc)
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct radeon_device *rdev = crtc->dev->dev_private;

+ if (radeon_crtc->cursor_out_of_bounds)
+ return;
+
if (ASIC_IS_DCE4(rdev)) {
WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
upper_32_bits(radeon_crtc->cursor_addr));
@@ -148,16 +151,17 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
x += crtc->x;
y += crtc->y;
}
- DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);

- if (x < 0) {
+ if (x < 0)
xorigin = min(-x, radeon_crtc->max_cursor_width - 1);
- x = 0;
- }
- if (y < 0) {
+ if (y < 0)
yorigin = min(-y, radeon_crtc->max_cursor_height - 1);
- y = 0;
+
+ if (!ASIC_IS_AVIVO(rdev)) {
+ x += crtc->x;
+ y += crtc->y;
}
+ DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);

/* fixed on DCE6 and newer */
if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
@@ -180,27 +184,31 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
if (i > 1) {
int cursor_end, frame_end;

- cursor_end = x - xorigin + w;
+ cursor_end = x + w;
frame_end = crtc->x + crtc->mode.crtc_hdisplay;
if (cursor_end >= frame_end) {
w = w - (cursor_end - frame_end);
if (!(frame_end & 0x7f))
w--;
- } else {
- if (!(cursor_end & 0x7f))
- w--;
+ } else if (cursor_end <= 0) {
+ goto out_of_bounds;
+ } else if (!(cursor_end & 0x7f)) {
+ w--;
}
if (w <= 0) {
- w = 1;
- cursor_end = x - xorigin + w;
- if (!(cursor_end & 0x7f)) {
- x--;
- WARN_ON_ONCE(x < 0);
- }
+ goto out_of_bounds;
}
}
}

+ if (x <= (crtc->x - w) || y <= (crtc->y - radeon_crtc->cursor_height) ||
+ x >= (crtc->x + crtc->mode.crtc_hdisplay) ||
+ y >= (crtc->y + crtc->mode.crtc_vdisplay))
+ goto out_of_bounds;
+
+ x += xorigin;
+ y += yorigin;
+
if (ASIC_IS_DCE4(rdev)) {
WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
@@ -212,6 +220,9 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
} else {
+ x -= crtc->x;
+ y -= crtc->y;
+
if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
y *= 2;

@@ -232,6 +243,19 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
radeon_crtc->cursor_x = x;
radeon_crtc->cursor_y = y;

+ if (radeon_crtc->cursor_out_of_bounds) {
+ radeon_crtc->cursor_out_of_bounds = false;
+ if (radeon_crtc->cursor_bo)
+ radeon_show_cursor(crtc);
+ }
+
+ return 0;
+
+ out_of_bounds:
+ if (!radeon_crtc->cursor_out_of_bounds) {
+ radeon_hide_cursor(crtc);
+ radeon_crtc->cursor_out_of_bounds = true;
+ }
return 0;
}

@@ -297,22 +321,23 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
return ret;
}

- radeon_crtc->cursor_width = width;
- radeon_crtc->cursor_height = height;
-
radeon_lock_cursor(crtc, true);

- if (hot_x != radeon_crtc->cursor_hot_x ||
+ if (width != radeon_crtc->cursor_width ||
+ height != radeon_crtc->cursor_height ||
+ hot_x != radeon_crtc->cursor_hot_x ||
hot_y != radeon_crtc->cursor_hot_y) {
int x, y;

x = radeon_crtc->cursor_x + radeon_crtc->cursor_hot_x - hot_x;
y = radeon_crtc->cursor_y + radeon_crtc->cursor_hot_y - hot_y;

- radeon_cursor_move_locked(crtc, x, y);
-
+ radeon_crtc->cursor_width = width;
+ radeon_crtc->cursor_height = height;
radeon_crtc->cursor_hot_x = hot_x;
radeon_crtc->cursor_hot_y = hot_y;
+
+ radeon_cursor_move_locked(crtc, x, y);
}

radeon_show_cursor(crtc);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index bb75201a24ba..f1da484864a9 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -330,6 +330,7 @@ struct radeon_crtc {
u16 lut_r[256], lut_g[256], lut_b[256];
bool enabled;
bool can_tile;
+ bool cursor_out_of_bounds;
uint32_t crtc_offset;
struct drm_gem_object *cursor_bo;
uint64_t cursor_addr;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index e402be8821c4..125c7e82c3d1 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1714,6 +1714,7 @@ static int si_init_microcode(struct radeon_device *rdev)
(rdev->pdev->revision == 0x80) ||
(rdev->pdev->revision == 0x81) ||
(rdev->pdev->revision == 0x83) ||
+ (rdev->pdev->revision == 0x87) ||
(rdev->pdev->device == 0x6604) ||
(rdev->pdev->device == 0x6605))
new_smc = true;
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index c49934527a87..8b5e697f2549 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3026,6 +3026,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
(rdev->pdev->revision == 0x80) ||
(rdev->pdev->revision == 0x81) ||
(rdev->pdev->revision == 0x83) ||
+ (rdev->pdev->revision == 0x87) ||
(rdev->pdev->device == 0x6604) ||
(rdev->pdev->device == 0x6605)) {
max_sclk = 75000;
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 96a85cd39580..1bc1d4795243 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -389,6 +389,7 @@ void vmbus_free_channels(void)
{
struct vmbus_channel *channel, *tmp;

+ mutex_lock(&vmbus_connection.channel_mutex);
list_for_each_entry_safe(channel, tmp, &vmbus_connection.chn_list,
listentry) {
/* hv_process_channel_removal() needs this */
@@ -396,6 +397,7 @@ void vmbus_free_channels(void)

vmbus_device_unregister(channel->device_obj);
}
+ mutex_unlock(&vmbus_connection.channel_mutex);
}

/*
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 51f81d64ca37..a6ea387b5b00 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -361,7 +361,7 @@ static int stm_char_open(struct inode *inode, struct file *file)
struct stm_file *stmf;
struct device *dev;
unsigned int major = imajor(inode);
- int err = -ENODEV;
+ int err = -ENOMEM;

dev = class_find_device(&stm_class, NULL, &major, major_match);
if (!dev)
@@ -369,8 +369,9 @@ static int stm_char_open(struct inode *inode, struct file *file)

stmf = kzalloc(sizeof(*stmf), GFP_KERNEL);
if (!stmf)
- return -ENOMEM;
+ goto err_put_device;

+ err = -ENODEV;
stm_output_init(&stmf->output);
stmf->stm = to_stm_device(dev);

@@ -382,9 +383,10 @@ static int stm_char_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);

err_free:
+ kfree(stmf);
+err_put_device:
/* matches class_find_device() above */
put_device(dev);
- kfree(stmf);

return err;
}
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 40cbd6bdb73b..2395fe2021c9 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1746,7 +1746,7 @@ find_mad_agent(struct ib_mad_port_private *port_priv,
if (!class)
goto out;
if (convert_mgmt_class(mad_hdr->mgmt_class) >=
- IB_MGMT_MAX_METHODS)
+ ARRAY_SIZE(class->method_table))
goto out;
method = class->method_table[convert_mgmt_class(
mad_hdr->mgmt_class)];
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index e51b739f6ea3..322cb67b07a9 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -518,8 +518,11 @@ static void join_handler(int status, struct ib_sa_mcmember_rec *rec,
process_join_error(group, status);
else {
int mgids_changed, is_mgid0;
- ib_find_pkey(group->port->dev->device, group->port->port_num,
- be16_to_cpu(rec->pkey), &pkey_index);
+
+ if (ib_find_pkey(group->port->dev->device,
+ group->port->port_num, be16_to_cpu(rec->pkey),
+ &pkey_index))
+ pkey_index = MCAST_INVALID_PKEY_INDEX;

spin_lock_irq(&group->port->lock);
if (group->state == MCAST_BUSY &&
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
index 6329c971c22f..4b892ca2b13a 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -2501,7 +2501,7 @@ static int i40iw_get_hw_stats(struct ib_device *ibdev,
return -ENOSYS;
}

- memcpy(&stats->value[0], &hw_stats, sizeof(*hw_stats));
+ memcpy(&stats->value[0], hw_stats, sizeof(*hw_stats));

return stats->num_counters;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index c3e60e4bde6e..486d576e55bc 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -855,4 +855,5 @@ void rxe_qp_cleanup(void *arg)
free_rd_atomic_resources(qp);

kernel_sock_shutdown(qp->sk, SHUT_RDWR);
+ sock_release(qp->sk);
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 1909dd252c94..fddff403d5d2 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -575,8 +575,11 @@ void ipoib_mcast_join_task(struct work_struct *work)
if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags))
return;

- if (ib_query_port(priv->ca, priv->port, &port_attr) ||
- port_attr.state != IB_PORT_ACTIVE) {
+ if (ib_query_port(priv->ca, priv->port, &port_attr)) {
+ ipoib_dbg(priv, "ib_query_port() failed\n");
+ return;
+ }
+ if (port_attr.state != IB_PORT_ACTIVE) {
ipoib_dbg(priv, "port state is not ACTIVE (state = %d) suspending join task\n",
port_attr.state);
return;
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index 2adfd86c869a..930424e55439 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -592,7 +592,6 @@ static int drv260x_probe(struct i2c_client *client,
}

haptics->input_dev->name = "drv260x:haptics";
- haptics->input_dev->dev.parent = client->dev.parent;
haptics->input_dev->close = drv260x_close;
input_set_drvdata(haptics->input_dev, haptics);
input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 92ac251e91e6..cce6057b9aca 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6984,6 +6984,15 @@ static int raid5_run(struct mddev *mddev)
stripe = (stripe | (stripe-1)) + 1;
mddev->queue->limits.discard_alignment = stripe;
mddev->queue->limits.discard_granularity = stripe;
+
+ /*
+ * We use 16-bit counter of active stripes in bi_phys_segments
+ * (minus one for over-loaded initialization)
+ */
+ blk_queue_max_hw_sectors(mddev->queue, 0xfffe * STRIPE_SECTORS);
+ blk_queue_max_discard_sectors(mddev->queue,
+ 0xfffe * STRIPE_SECTORS);
+
/*
* unaligned part of discard request will be ignored, so can't
* guarantee discard_zeroes_data
diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c
index 18fb2df1e2bd..72650116732c 100644
--- a/drivers/media/dvb-frontends/mn88472.c
+++ b/drivers/media/dvb-frontends/mn88472.c
@@ -488,18 +488,6 @@ static int mn88472_probe(struct i2c_client *client,
goto err_kfree;
}

- /* Check demod answers with correct chip id */
- ret = regmap_read(dev->regmap[0], 0xff, &utmp);
- if (ret)
- goto err_regmap_0_regmap_exit;
-
- dev_dbg(&client->dev, "chip id=%02x\n", utmp);
-
- if (utmp != 0x02) {
- ret = -ENODEV;
- goto err_regmap_0_regmap_exit;
- }
-
/*
* Chip has three I2C addresses for different register banks. Used
* addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
@@ -536,6 +524,18 @@ static int mn88472_probe(struct i2c_client *client,
}
i2c_set_clientdata(dev->client[2], dev);

+ /* Check demod answers with correct chip id */
+ ret = regmap_read(dev->regmap[2], 0xff, &utmp);
+ if (ret)
+ goto err_regmap_2_regmap_exit;
+
+ dev_dbg(&client->dev, "chip id=%02x\n", utmp);
+
+ if (utmp != 0x02) {
+ ret = -ENODEV;
+ goto err_regmap_2_regmap_exit;
+ }
+
/* Sleep because chip is active by default */
ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
if (ret)
diff --git a/drivers/media/dvb-frontends/mn88473.c b/drivers/media/dvb-frontends/mn88473.c
index 451974a1d7ed..2932bdc8fa94 100644
--- a/drivers/media/dvb-frontends/mn88473.c
+++ b/drivers/media/dvb-frontends/mn88473.c
@@ -485,18 +485,6 @@ static int mn88473_probe(struct i2c_client *client,
goto err_kfree;
}

- /* Check demod answers with correct chip id */
- ret = regmap_read(dev->regmap[0], 0xff, &uitmp);
- if (ret)
- goto err_regmap_0_regmap_exit;
-
- dev_dbg(&client->dev, "chip id=%02x\n", uitmp);
-
- if (uitmp != 0x03) {
- ret = -ENODEV;
- goto err_regmap_0_regmap_exit;
- }
-
/*
* Chip has three I2C addresses for different register banks. Used
* addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
@@ -533,6 +521,18 @@ static int mn88473_probe(struct i2c_client *client,
}
i2c_set_clientdata(dev->client[2], dev);

+ /* Check demod answers with correct chip id */
+ ret = regmap_read(dev->regmap[2], 0xff, &uitmp);
+ if (ret)
+ goto err_regmap_2_regmap_exit;
+
+ dev_dbg(&client->dev, "chip id=%02x\n", uitmp);
+
+ if (uitmp != 0x03) {
+ ret = -ENODEV;
+ goto err_regmap_2_regmap_exit;
+ }
+
/* Sleep because chip is active by default */
ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
if (ret)
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 4740da39d698..7268e706e216 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -815,6 +815,7 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
return 0;
case V4L2_CID_HUE:
tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
+ break;
case V4L2_CID_TEST_PATTERN:
decoder->enable = ctrl->val ? false : true;
tvp5150_selmux(sd);
diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h
index 5bd498735a66..3f8da5e8c430 100644
--- a/drivers/media/pci/solo6x10/solo6x10.h
+++ b/drivers/media/pci/solo6x10/solo6x10.h
@@ -284,7 +284,10 @@ static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
u32 data)
{
+ u16 val;
+
writel(data, solo_dev->reg_base + reg);
+ pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
}

static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 0a5b8f5e011e..3436eda58855 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -1082,6 +1082,7 @@ static struct device *s5p_mfc_alloc_memdev(struct device *dev,
idx);
if (ret == 0)
return child;
+ device_del(child);
}

put_device(child);
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 6fe02350578d..f999a8d3c9c4 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -686,7 +686,7 @@ void mei_host_client_init(struct mei_device *dev)

pm_runtime_mark_last_busy(dev->dev);
dev_dbg(dev->dev, "rpm: autosuspend\n");
- pm_runtime_autosuspend(dev->dev);
+ pm_request_autosuspend(dev->dev);
}

/**
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 7ad15d678878..c8307e8b4c16 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -122,6 +122,8 @@
#define MEI_DEV_ID_SPT_H 0xA13A /* Sunrise Point H */
#define MEI_DEV_ID_SPT_H_2 0xA13B /* Sunrise Point H 2 */

+#define MEI_DEV_ID_LBG 0xA1BA /* Lewisburg (SPT) */
+
#define MEI_DEV_ID_BXT_M 0x1A9A /* Broxton M */
#define MEI_DEV_ID_APL_I 0x5A9A /* Apollo Lake I */

diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index f3ffd883b232..f9c6ec4b98ab 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -87,6 +87,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_sps_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_sps_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, mei_me_pch8_cfg)},

{MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, mei_me_pch8_cfg)},
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 73c762a28dfe..f6f40a1673ae 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -223,6 +223,7 @@ static int mmc_decode_scr(struct mmc_card *card)
static int mmc_read_ssr(struct mmc_card *card)
{
unsigned int au, es, et, eo;
+ u32 *raw_ssr;
int i;

if (!(card->csd.cmdclass & CCC_APP_SPEC)) {
@@ -231,14 +232,21 @@ static int mmc_read_ssr(struct mmc_card *card)
return 0;
}

- if (mmc_app_sd_status(card, card->raw_ssr)) {
+ raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL);
+ if (!raw_ssr)
+ return -ENOMEM;
+
+ if (mmc_app_sd_status(card, raw_ssr)) {
pr_warn("%s: problem reading SD Status register\n",
mmc_hostname(card->host));
+ kfree(raw_ssr);
return 0;
}

for (i = 0; i < 16; i++)
- card->raw_ssr[i] = be32_to_cpu(card->raw_ssr[i]);
+ card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]);
+
+ kfree(raw_ssr);

/*
* UNSTUFF_BITS only works with four u32s so we have to offset the
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 42ef3ebb1d8c..e1e274a0a34f 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2086,16 +2086,32 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)

if (!host->tuning_done) {
pr_info(DRIVER_NAME ": Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock\n");
-
- sdhci_do_reset(host, SDHCI_RESET_CMD);
- sdhci_do_reset(host, SDHCI_RESET_DATA);
-
ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
ctrl &= ~SDHCI_CTRL_TUNED_CLK;
ctrl &= ~SDHCI_CTRL_EXEC_TUNING;
sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);

+ sdhci_do_reset(host, SDHCI_RESET_CMD);
+ sdhci_do_reset(host, SDHCI_RESET_DATA);
+
err = -EIO;
+
+ if (cmd.opcode != MMC_SEND_TUNING_BLOCK_HS200)
+ goto out;
+
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+
+ spin_unlock_irqrestore(&host->lock, flags);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.opcode = MMC_STOP_TRANSMISSION;
+ cmd.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
+ cmd.busy_timeout = 50;
+ mmc_wait_for_cmd(mmc, &cmd, 0);
+
+ spin_lock_irqsave(&host->lock, flags);
+
goto out;
}

diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index 1026c452e39d..930c8165f2a8 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -770,6 +770,17 @@ struct mvpp2_rx_desc {
u32 reserved8;
};

+struct mvpp2_txq_pcpu_buf {
+ /* Transmitted SKB */
+ struct sk_buff *skb;
+
+ /* Physical address of transmitted buffer */
+ dma_addr_t phys;
+
+ /* Size transmitted */
+ size_t size;
+};
+
/* Per-CPU Tx queue control */
struct mvpp2_txq_pcpu {
int cpu;
@@ -785,11 +796,8 @@ struct mvpp2_txq_pcpu {
/* Number of Tx DMA descriptors reserved for each CPU */
int reserved_num;

- /* Array of transmitted skb */
- struct sk_buff **tx_skb;
-
- /* Array of transmitted buffers' physical addresses */
- dma_addr_t *tx_buffs;
+ /* Infos about transmitted buffers */
+ struct mvpp2_txq_pcpu_buf *buffs;

/* Index of last TX DMA descriptor that was inserted */
int txq_put_index;
@@ -979,10 +987,11 @@ static void mvpp2_txq_inc_put(struct mvpp2_txq_pcpu *txq_pcpu,
struct sk_buff *skb,
struct mvpp2_tx_desc *tx_desc)
{
- txq_pcpu->tx_skb[txq_pcpu->txq_put_index] = skb;
- if (skb)
- txq_pcpu->tx_buffs[txq_pcpu->txq_put_index] =
- tx_desc->buf_phys_addr;
+ struct mvpp2_txq_pcpu_buf *tx_buf =
+ txq_pcpu->buffs + txq_pcpu->txq_put_index;
+ tx_buf->skb = skb;
+ tx_buf->size = tx_desc->data_size;
+ tx_buf->phys = tx_desc->buf_phys_addr;
txq_pcpu->txq_put_index++;
if (txq_pcpu->txq_put_index == txq_pcpu->size)
txq_pcpu->txq_put_index = 0;
@@ -4401,17 +4410,16 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
int i;

for (i = 0; i < num; i++) {
- dma_addr_t buf_phys_addr =
- txq_pcpu->tx_buffs[txq_pcpu->txq_get_index];
- struct sk_buff *skb = txq_pcpu->tx_skb[txq_pcpu->txq_get_index];
+ struct mvpp2_txq_pcpu_buf *tx_buf =
+ txq_pcpu->buffs + txq_pcpu->txq_get_index;

mvpp2_txq_inc_get(txq_pcpu);

- dma_unmap_single(port->dev->dev.parent, buf_phys_addr,
- skb_headlen(skb), DMA_TO_DEVICE);
- if (!skb)
+ dma_unmap_single(port->dev->dev.parent, tx_buf->phys,
+ tx_buf->size, DMA_TO_DEVICE);
+ if (!tx_buf->skb)
continue;
- dev_kfree_skb_any(skb);
+ dev_kfree_skb_any(tx_buf->skb);
}
}

@@ -4651,15 +4659,10 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
for_each_present_cpu(cpu) {
txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
txq_pcpu->size = txq->size;
- txq_pcpu->tx_skb = kmalloc(txq_pcpu->size *
- sizeof(*txq_pcpu->tx_skb),
- GFP_KERNEL);
- if (!txq_pcpu->tx_skb)
- goto error;
-
- txq_pcpu->tx_buffs = kmalloc(txq_pcpu->size *
- sizeof(dma_addr_t), GFP_KERNEL);
- if (!txq_pcpu->tx_buffs)
+ txq_pcpu->buffs = kmalloc(txq_pcpu->size *
+ sizeof(struct mvpp2_txq_pcpu_buf),
+ GFP_KERNEL);
+ if (!txq_pcpu->buffs)
goto error;

txq_pcpu->count = 0;
@@ -4673,8 +4676,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
error:
for_each_present_cpu(cpu) {
txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
- kfree(txq_pcpu->tx_skb);
- kfree(txq_pcpu->tx_buffs);
+ kfree(txq_pcpu->buffs);
}

dma_free_coherent(port->dev->dev.parent,
@@ -4693,8 +4695,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port,

for_each_present_cpu(cpu) {
txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
- kfree(txq_pcpu->tx_skb);
- kfree(txq_pcpu->tx_buffs);
+ kfree(txq_pcpu->buffs);
}

if (txq->descs)
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 21ae8d663e67..0c4532227f25 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -1534,7 +1534,7 @@ static void ath10k_core_restart(struct work_struct *work)
switch (ar->state) {
case ATH10K_STATE_ON:
ar->state = ATH10K_STATE_RESTARTING;
- ath10k_hif_stop(ar);
+ ath10k_halt(ar);
ath10k_scan_finish(ar);
ieee80211_restart_hw(ar->hw);
break;
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 76297d69f1ed..90eeb1c82e8b 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4449,7 +4449,6 @@ static int ath10k_start(struct ieee80211_hw *hw)
ar->state = ATH10K_STATE_ON;
break;
case ATH10K_STATE_RESTARTING:
- ath10k_halt(ar);
ar->state = ATH10K_STATE_RESTARTED;
break;
case ATH10K_STATE_ON:
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 14b13f07cd1f..a35f78be8dec 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2792,7 +2792,7 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
WARN_ON(1);
}

- return val;
+ return !!val;
}
EXPORT_SYMBOL(ath9k_hw_gpio_get);

diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 0dd454acf22a..aff473dfa10d 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -26,7 +26,6 @@ static const struct pci_device_id ath_pci_id_table[] = {
{ PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */

#ifdef CONFIG_ATH9K_PCOEM
/* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
@@ -37,7 +36,7 @@ static const struct pci_device_id ath_pci_id_table[] = {
.driver_data = ATH9K_PCI_LED_ACT_HI },
#endif

- { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+ { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */

#ifdef CONFIG_ATH9K_PCOEM
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
@@ -85,7 +84,11 @@ static const struct pci_device_id ath_pci_id_table[] = {
0x10CF, /* Fujitsu */
0x1536),
.driver_data = ATH9K_PCI_D3_L1_WAR },
+#endif

+ { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+
+#ifdef CONFIG_ATH9K_PCOEM
/* AR9285 card for Asus */
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
0x002B,
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 52bfbb988611..e47286bf378e 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2787,7 +2787,7 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
fifo_list = &txq->txq_fifo[txq->txq_tailidx];
if (list_empty(fifo_list)) {
ath_txq_unlock(sc, txq);
- return;
+ break;
}

bf = list_first_entry(fifo_list, struct ath_buf, list);
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index a5e6ec2152bf..82d949ede294 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -4372,6 +4372,13 @@ void rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv *priv,
void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv,
u8 macid, bool connect)
{
+#ifdef RTL8XXXU_GEN2_REPORT_CONNECT
+ /*
+ * Barry Day reports this causes issues with 8192eu and 8723bu
+ * devices reconnecting. The reason for this is unclear, but
+ * until it is better understood, leave the code in place but
+ * disabled, so it is not lost.
+ */
struct h2c_cmd h2c;

memset(&h2c, 0, sizeof(struct h2c_cmd));
@@ -4383,6 +4390,7 @@ void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv,
h2c.media_status_rpt.parm &= ~BIT(0);

rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt));
+#endif
}

void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv)
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index 264466f59c57..4ac928bf1f8e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -1303,12 +1303,13 @@ EXPORT_SYMBOL_GPL(rtl_action_proc);

static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc)
{
+ struct ieee80211_hw *hw = rtlpriv->hw;
+
rtlpriv->ra.is_special_data = true;
if (rtlpriv->cfg->ops->get_btc_status())
rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
rtlpriv, 1);
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
+ rtl_lps_leave(hw);
ppsc->last_delaylps_stamp_jiffies = jiffies;
}

@@ -1381,8 +1382,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,

if (is_tx) {
rtlpriv->ra.is_special_data = true;
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
+ rtl_lps_leave(hw);
ppsc->last_delaylps_stamp_jiffies = jiffies;
}

diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index 8e7f23c11680..4da4e458142c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1150,10 +1150,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
} else {
mstatus = RT_MEDIA_DISCONNECT;

- if (mac->link_state == MAC80211_LINKED) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- }
+ if (mac->link_state == MAC80211_LINKED)
+ rtl_lps_leave(hw);
if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
mac->link_state = MAC80211_NOLINK;
@@ -1431,8 +1429,7 @@ static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
}

if (mac->link_state == MAC80211_LINKED) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
+ rtl_lps_leave(hw);
mac->link_state = MAC80211_LINKED_SCANNING;
} else {
rtl_ips_nic_on(hw);
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 0dfa9eac3926..5be4fc96002d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -663,11 +663,9 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
}

if (((rtlpriv->link_info.num_rx_inperiod +
- rtlpriv->link_info.num_tx_inperiod) > 8) ||
- (rtlpriv->link_info.num_rx_inperiod > 2)) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- }
+ rtlpriv->link_info.num_tx_inperiod) > 8) ||
+ (rtlpriv->link_info.num_rx_inperiod > 2))
+ rtl_lps_leave(hw);
}

static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
@@ -918,10 +916,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
}
if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
- (rtlpriv->link_info.num_rx_inperiod > 2)) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- }
+ (rtlpriv->link_info.num_rx_inperiod > 2))
+ rtl_lps_leave(hw);
skb = new_skb;
no_new:
if (rtlpriv->use_new_trx_flow) {
diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c
index 18d979affc18..d0ffc4d508cf 100644
--- a/drivers/net/wireless/realtek/rtlwifi/ps.c
+++ b/drivers/net/wireless/realtek/rtlwifi/ps.c
@@ -407,8 +407,8 @@ void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
}
}

-/*Enter the leisure power save mode.*/
-void rtl_lps_enter(struct ieee80211_hw *hw)
+/* Interrupt safe routine to enter the leisure power save mode.*/
+static void rtl_lps_enter_core(struct ieee80211_hw *hw)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
@@ -444,10 +444,9 @@ void rtl_lps_enter(struct ieee80211_hw *hw)

spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
}
-EXPORT_SYMBOL(rtl_lps_enter);

-/*Leave the leisure power save mode.*/
-void rtl_lps_leave(struct ieee80211_hw *hw)
+/* Interrupt safe routine to leave the leisure power save mode.*/
+static void rtl_lps_leave_core(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
@@ -477,7 +476,6 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
}
spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
}
-EXPORT_SYMBOL(rtl_lps_leave);

/* For sw LPS*/
void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
@@ -670,12 +668,34 @@ void rtl_lps_change_work_callback(struct work_struct *work)
struct rtl_priv *rtlpriv = rtl_priv(hw);

if (rtlpriv->enter_ps)
- rtl_lps_enter(hw);
+ rtl_lps_enter_core(hw);
else
- rtl_lps_leave(hw);
+ rtl_lps_leave_core(hw);
}
EXPORT_SYMBOL_GPL(rtl_lps_change_work_callback);

+void rtl_lps_enter(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ if (!in_interrupt())
+ return rtl_lps_enter_core(hw);
+ rtlpriv->enter_ps = true;
+ schedule_work(&rtlpriv->works.lps_change_work);
+}
+EXPORT_SYMBOL_GPL(rtl_lps_enter);
+
+void rtl_lps_leave(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ if (!in_interrupt())
+ return rtl_lps_leave_core(hw);
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
+}
+EXPORT_SYMBOL_GPL(rtl_lps_leave);
+
void rtl_swlps_wq_callback(void *data)
{
struct rtl_works *rtlworks = container_of_dwork_rtl(data,
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index cea8350fbc7e..a2ac9e641aa9 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -108,7 +108,7 @@ static ssize_t align_show(struct device *dev,
{
struct nd_pfn *nd_pfn = to_nd_pfn_safe(dev);

- return sprintf(buf, "%lx\n", nd_pfn->align);
+ return sprintf(buf, "%ld\n", nd_pfn->align);
}

static ssize_t __align_store(struct nd_pfn *nd_pfn, const char *buf)
diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index f63d4b0deff0..a53982a330ea 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -176,7 +176,12 @@ int of_node_to_nid(struct device_node *device)
np->name);
of_node_put(np);

- if (!r)
+ /*
+ * If numa=off passed on command line, or with a defective
+ * device tree, the nid may not be in the set of possible
+ * nodes. Check for this case and return NUMA_NO_NODE.
+ */
+ if (!r && nid < MAX_NUMNODES && node_possible(nid))
return nid;

return NUMA_NO_NODE;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index ba34907538f6..eda6a7cf0e54 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2106,6 +2106,10 @@ bool pci_dev_run_wake(struct pci_dev *dev)
if (!dev->pme_support)
return false;

+ /* PME-capable in principle, but not from the intended sleep state */
+ if (!pci_pme_capable(dev, pci_target_state(dev)))
+ return false;
+
while (bus->parent) {
struct pci_dev *bridge = bus->self;

diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 26e4cbc34db8..6032b7085582 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -175,6 +175,15 @@ static const struct dmi_system_id asus_quirks[] = {
},
{
.callback = dmi_matched,
+ .ident = "ASUSTeK COMPUTER INC. X45U",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
+ },
+ .driver_data = &quirk_asus_wapf4,
+ },
+ {
+ .callback = dmi_matched,
.ident = "ASUSTeK COMPUTER INC. X456UA",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c
index 7d2ae3e9e942..342f5da79975 100644
--- a/drivers/regulator/stw481x-vmmc.c
+++ b/drivers/regulator/stw481x-vmmc.c
@@ -47,7 +47,8 @@ static struct regulator_desc vmmc_regulator = {
.volt_table = stw481x_vmmc_voltages,
.enable_time = 200, /* FIXME: look this up */
.enable_reg = STW_CONF1,
- .enable_mask = STW_CONF1_PDN_VMMC,
+ .enable_mask = STW_CONF1_PDN_VMMC | STW_CONF1_MMC_LS_STATUS,
+ .enable_val = STW_CONF1_PDN_VMMC,
.vsel_reg = STW_CONF1,
.vsel_mask = STW_CONF1_VMMC_MASK,
};
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index e883063c7258..3167e8581994 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -870,7 +870,7 @@ static int __init vmlogrdr_init(void)
goto cleanup;

for (i=0; i < MAXMINOR; ++i ) {
- sys_ser[i].buffer = (char *) get_zeroed_page(GFP_KERNEL);
+ sys_ser[i].buffer = (char *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!sys_ser[i].buffer) {
rc = -ENOMEM;
break;
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 581001989937..d5bf36ec8a75 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -289,11 +289,12 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter,


/**
- * zfcp_dbf_rec_run - trace event related to running recovery
+ * zfcp_dbf_rec_run_lvl - trace event related to running recovery
+ * @level: trace level to be used for event
* @tag: identifier for event
* @erp: erp_action running
*/
-void zfcp_dbf_rec_run(char *tag, struct zfcp_erp_action *erp)
+void zfcp_dbf_rec_run_lvl(int level, char *tag, struct zfcp_erp_action *erp)
{
struct zfcp_dbf *dbf = erp->adapter->dbf;
struct zfcp_dbf_rec *rec = &dbf->rec_buf;
@@ -319,11 +320,21 @@ void zfcp_dbf_rec_run(char *tag, struct zfcp_erp_action *erp)
else
rec->u.run.rec_count = atomic_read(&erp->adapter->erp_counter);

- debug_event(dbf->rec, 1, rec, sizeof(*rec));
+ debug_event(dbf->rec, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->rec_lock, flags);
}

/**
+ * zfcp_dbf_rec_run - trace event related to running recovery
+ * @tag: identifier for event
+ * @erp: erp_action running
+ */
+void zfcp_dbf_rec_run(char *tag, struct zfcp_erp_action *erp)
+{
+ zfcp_dbf_rec_run_lvl(1, tag, erp);
+}
+
+/**
* zfcp_dbf_rec_run_wka - trace wka port event with info like running recovery
* @tag: identifier for event
* @wka_port: well known address port
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 36d07584271d..db186d44cfaf 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -2,7 +2,7 @@
* zfcp device driver
* debug feature declarations
*
- * Copyright IBM Corp. 2008, 2015
+ * Copyright IBM Corp. 2008, 2016
*/

#ifndef ZFCP_DBF_H
@@ -283,6 +283,30 @@ struct zfcp_dbf {
struct zfcp_dbf_scsi scsi_buf;
};

+/**
+ * zfcp_dbf_hba_fsf_resp_suppress - true if we should not trace by default
+ * @req: request that has been completed
+ *
+ * Returns true if FCP response with only benign residual under count.
+ */
+static inline
+bool zfcp_dbf_hba_fsf_resp_suppress(struct zfcp_fsf_req *req)
+{
+ struct fsf_qtcb *qtcb = req->qtcb;
+ u32 fsf_stat = qtcb->header.fsf_status;
+ struct fcp_resp *fcp_rsp;
+ u8 rsp_flags, fr_status;
+
+ if (qtcb->prefix.qtcb_type != FSF_IO_COMMAND)
+ return false; /* not an FCP response */
+ fcp_rsp = (struct fcp_resp *)&qtcb->bottom.io.fcp_rsp;
+ rsp_flags = fcp_rsp->fr_flags;
+ fr_status = fcp_rsp->fr_status;
+ return (fsf_stat == FSF_FCP_RSP_AVAILABLE) &&
+ (rsp_flags == FCP_RESID_UNDER) &&
+ (fr_status == SAM_STAT_GOOD);
+}
+
static inline
void zfcp_dbf_hba_fsf_resp(char *tag, int level, struct zfcp_fsf_req *req)
{
@@ -304,7 +328,9 @@ void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req)
zfcp_dbf_hba_fsf_resp("fs_perr", 1, req);

} else if (qtcb->header.fsf_status != FSF_GOOD) {
- zfcp_dbf_hba_fsf_resp("fs_ferr", 1, req);
+ zfcp_dbf_hba_fsf_resp("fs_ferr",
+ zfcp_dbf_hba_fsf_resp_suppress(req)
+ ? 5 : 1, req);

} else if ((req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
(req->fsf_command == FSF_QTCB_OPEN_LUN)) {
@@ -388,4 +414,15 @@ void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag)
_zfcp_dbf_scsi(tmp_tag, 1, scmnd, NULL);
}

+/**
+ * zfcp_dbf_scsi_nullcmnd() - trace NULLify of SCSI command in dev/tgt-reset.
+ * @scmnd: SCSI command that was NULLified.
+ * @fsf_req: request that owned @scmnd.
+ */
+static inline void zfcp_dbf_scsi_nullcmnd(struct scsi_cmnd *scmnd,
+ struct zfcp_fsf_req *fsf_req)
+{
+ _zfcp_dbf_scsi("scfc__1", 3, scmnd, fsf_req);
+}
+
#endif /* ZFCP_DBF_H */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index a59d678125bd..7ccfce559034 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -3,7 +3,7 @@
*
* Error Recovery Procedures (ERP).
*
- * Copyright IBM Corp. 2002, 2015
+ * Copyright IBM Corp. 2002, 2016
*/

#define KMSG_COMPONENT "zfcp"
@@ -1204,6 +1204,62 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action)
}
}

+/**
+ * zfcp_erp_try_rport_unblock - unblock rport if no more/new recovery
+ * @port: zfcp_port whose fc_rport we should try to unblock
+ */
+static void zfcp_erp_try_rport_unblock(struct zfcp_port *port)
+{
+ unsigned long flags;
+ struct zfcp_adapter *adapter = port->adapter;
+ int port_status;
+ struct Scsi_Host *shost = adapter->scsi_host;
+ struct scsi_device *sdev;
+
+ write_lock_irqsave(&adapter->erp_lock, flags);
+ port_status = atomic_read(&port->status);
+ if ((port_status & ZFCP_STATUS_COMMON_UNBLOCKED) == 0 ||
+ (port_status & (ZFCP_STATUS_COMMON_ERP_INUSE |
+ ZFCP_STATUS_COMMON_ERP_FAILED)) != 0) {
+ /* new ERP of severity >= port triggered elsewhere meanwhile or
+ * local link down (adapter erp_failed but not clear unblock)
+ */
+ zfcp_dbf_rec_run_lvl(4, "ertru_p", &port->erp_action);
+ write_unlock_irqrestore(&adapter->erp_lock, flags);
+ return;
+ }
+ spin_lock(shost->host_lock);
+ __shost_for_each_device(sdev, shost) {
+ struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev);
+ int lun_status;
+
+ if (zsdev->port != port)
+ continue;
+ /* LUN under port of interest */
+ lun_status = atomic_read(&zsdev->status);
+ if ((lun_status & ZFCP_STATUS_COMMON_ERP_FAILED) != 0)
+ continue; /* unblock rport despite failed LUNs */
+ /* LUN recovery not given up yet [maybe follow-up pending] */
+ if ((lun_status & ZFCP_STATUS_COMMON_UNBLOCKED) == 0 ||
+ (lun_status & ZFCP_STATUS_COMMON_ERP_INUSE) != 0) {
+ /* LUN blocked:
+ * not yet unblocked [LUN recovery pending]
+ * or meanwhile blocked [new LUN recovery triggered]
+ */
+ zfcp_dbf_rec_run_lvl(4, "ertru_l", &zsdev->erp_action);
+ spin_unlock(shost->host_lock);
+ write_unlock_irqrestore(&adapter->erp_lock, flags);
+ return;
+ }
+ }
+ /* now port has no child or all children have completed recovery,
+ * and no ERP of severity >= port was meanwhile triggered elsewhere
+ */
+ zfcp_scsi_schedule_rport_register(port);
+ spin_unlock(shost->host_lock);
+ write_unlock_irqrestore(&adapter->erp_lock, flags);
+}
+
static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
{
struct zfcp_adapter *adapter = act->adapter;
@@ -1214,6 +1270,7 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
case ZFCP_ERP_ACTION_REOPEN_LUN:
if (!(act->status & ZFCP_STATUS_ERP_NO_REF))
scsi_device_put(sdev);
+ zfcp_erp_try_rport_unblock(port);
break;

case ZFCP_ERP_ACTION_REOPEN_PORT:
@@ -1224,7 +1281,7 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
*/
if (act->step != ZFCP_ERP_STEP_UNINITIALIZED)
if (result == ZFCP_ERP_SUCCEEDED)
- zfcp_scsi_schedule_rport_register(port);
+ zfcp_erp_try_rport_unblock(port);
/* fall through */
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
put_device(&port->dev);
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index c8fed9fa1cca..21c8c689b02b 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -3,7 +3,7 @@
*
* External function declarations.
*
- * Copyright IBM Corp. 2002, 2015
+ * Copyright IBM Corp. 2002, 2016
*/

#ifndef ZFCP_EXT_H
@@ -35,6 +35,8 @@ extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
struct zfcp_port *, struct scsi_device *, u8, u8);
extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
+extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
+ struct zfcp_erp_action *erp);
extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index be1c04b334c5..ea3c76ac0de1 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -3,7 +3,7 @@
*
* Interface to the FSF support functions.
*
- * Copyright IBM Corp. 2002, 2015
+ * Copyright IBM Corp. 2002, 2016
*/

#ifndef FSF_H
@@ -78,6 +78,7 @@
#define FSF_APP_TAG_CHECK_FAILURE 0x00000082
#define FSF_REF_TAG_CHECK_FAILURE 0x00000083
#define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD
+#define FSF_FCP_RSP_AVAILABLE 0x000000AF
#define FSF_UNKNOWN_COMMAND 0x000000E2
#define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3
#define FSF_INVALID_COMMAND_OPTION 0x000000E5
diff --git a/drivers/s390/scsi/zfcp_reqlist.h b/drivers/s390/scsi/zfcp_reqlist.h
index 7c2c6194dfca..703fce59befe 100644
--- a/drivers/s390/scsi/zfcp_reqlist.h
+++ b/drivers/s390/scsi/zfcp_reqlist.h
@@ -4,7 +4,7 @@
* Data structure and helper functions for tracking pending FSF
* requests.
*
- * Copyright IBM Corp. 2009
+ * Copyright IBM Corp. 2009, 2016
*/

#ifndef ZFCP_REQLIST_H
@@ -180,4 +180,32 @@ static inline void zfcp_reqlist_move(struct zfcp_reqlist *rl,
spin_unlock_irqrestore(&rl->lock, flags);
}

+/**
+ * zfcp_reqlist_apply_for_all() - apply a function to every request.
+ * @rl: the requestlist that contains the target requests.
+ * @f: the function to apply to each request; the first parameter of the
+ * function will be the target-request; the second parameter is the same
+ * pointer as given with the argument @data.
+ * @data: freely chosen argument; passed through to @f as second parameter.
+ *
+ * Uses :c:macro:`list_for_each_entry` to iterate over the lists in the hash-
+ * table (not a 'safe' variant, so don't modify the list).
+ *
+ * Holds @rl->lock over the entire request-iteration.
+ */
+static inline void
+zfcp_reqlist_apply_for_all(struct zfcp_reqlist *rl,
+ void (*f)(struct zfcp_fsf_req *, void *), void *data)
+{
+ struct zfcp_fsf_req *req;
+ unsigned long flags;
+ unsigned int i;
+
+ spin_lock_irqsave(&rl->lock, flags);
+ for (i = 0; i < ZFCP_REQ_LIST_BUCKETS; i++)
+ list_for_each_entry(req, &rl->buckets[i], list)
+ f(req, data);
+ spin_unlock_irqrestore(&rl->lock, flags);
+}
+
#endif /* ZFCP_REQLIST_H */
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 9069f98a1817..07ffdbb5107f 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -3,7 +3,7 @@
*
* Interface to Linux SCSI midlayer.
*
- * Copyright IBM Corp. 2002, 2015
+ * Copyright IBM Corp. 2002, 2016
*/

#define KMSG_COMPONENT "zfcp"
@@ -88,9 +88,7 @@ int zfcp_scsi_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scpnt)
}

if (unlikely(!(status & ZFCP_STATUS_COMMON_UNBLOCKED))) {
- /* This could be either
- * open LUN pending: this is temporary, will result in
- * open LUN or ERP_FAILED, so retry command
+ /* This could be
* call to rport_delete pending: mimic retry from
* fc_remote_port_chkready until rport is BLOCKED
*/
@@ -209,6 +207,57 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
return retval;
}

+struct zfcp_scsi_req_filter {
+ u8 tmf_scope;
+ u32 lun_handle;
+ u32 port_handle;
+};
+
+static void zfcp_scsi_forget_cmnd(struct zfcp_fsf_req *old_req, void *data)
+{
+ struct zfcp_scsi_req_filter *filter =
+ (struct zfcp_scsi_req_filter *)data;
+
+ /* already aborted - prevent side-effects - or not a SCSI command */
+ if (old_req->data == NULL || old_req->fsf_command != FSF_QTCB_FCP_CMND)
+ return;
+
+ /* (tmf_scope == FCP_TMF_TGT_RESET || tmf_scope == FCP_TMF_LUN_RESET) */
+ if (old_req->qtcb->header.port_handle != filter->port_handle)
+ return;
+
+ if (filter->tmf_scope == FCP_TMF_LUN_RESET &&
+ old_req->qtcb->header.lun_handle != filter->lun_handle)
+ return;
+
+ zfcp_dbf_scsi_nullcmnd((struct scsi_cmnd *)old_req->data, old_req);
+ old_req->data = NULL;
+}
+
+static void zfcp_scsi_forget_cmnds(struct zfcp_scsi_dev *zsdev, u8 tm_flags)
+{
+ struct zfcp_adapter *adapter = zsdev->port->adapter;
+ struct zfcp_scsi_req_filter filter = {
+ .tmf_scope = FCP_TMF_TGT_RESET,
+ .port_handle = zsdev->port->handle,
+ };
+ unsigned long flags;
+
+ if (tm_flags == FCP_TMF_LUN_RESET) {
+ filter.tmf_scope = FCP_TMF_LUN_RESET;
+ filter.lun_handle = zsdev->lun_handle;
+ }
+
+ /*
+ * abort_lock secures against other processings - in the abort-function
+ * and normal cmnd-handler - of (struct zfcp_fsf_req *)->data
+ */
+ write_lock_irqsave(&adapter->abort_lock, flags);
+ zfcp_reqlist_apply_for_all(adapter->req_list, zfcp_scsi_forget_cmnd,
+ &filter);
+ write_unlock_irqrestore(&adapter->abort_lock, flags);
+}
+
static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
{
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
@@ -241,8 +290,10 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) {
zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags);
retval = FAILED;
- } else
+ } else {
zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags);
+ zfcp_scsi_forget_cmnds(zfcp_sdev, tm_flags);
+ }

zfcp_fsf_req_free(fsf_req);
return retval;
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 79871f3519ff..d5b26fa541d3 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -160,7 +160,6 @@ static const struct pci_device_id aac_pci_tbl[] = {
{ 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
{ 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
{ 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
- { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
{ 0,}
};
MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
@@ -239,7 +238,6 @@ static struct aac_driver_ident aac_drivers[] = {
{ aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
- { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC } /* Adaptec PMC Series 9 */
};

/**
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 52d8bbf7feb5..bd04bd01d34a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2000,6 +2000,8 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
pRAID_Context->regLockFlags |=
(MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ pRAID_Context->Type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
} else if (fusion->fast_path_io) {
pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
pRAID_Context->configSeqNum = 0;
@@ -2035,12 +2037,10 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
pRAID_Context->timeoutValue =
cpu_to_le16((os_timeout_value > timeout_limit) ?
timeout_limit : os_timeout_value);
- if (fusion->adapter_type == INVADER_SERIES) {
- pRAID_Context->Type = MPI2_TYPE_CUDA;
- pRAID_Context->nseg = 0x1;
+ if (fusion->adapter_type == INVADER_SERIES)
io_request->IoFlags |=
cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
- }
+
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
@@ -2823,6 +2823,7 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
dev_err(&instance->pdev->dev, "pending commands remain after waiting, "
"will reset adapter scsi%d.\n",
instance->host->host_no);
+ *convert = 1;
retval = 1;
}
out:
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 07349270535d..82dfe07b1d47 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1204,10 +1204,6 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
struct request_queue *rq = sdev->request_queue;
struct scsi_target *starget = sdev->sdev_target;

- error = scsi_device_set_state(sdev, SDEV_RUNNING);
- if (error)
- return error;
-
error = scsi_target_add(starget);
if (error)
return error;
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 070332eb41f3..dbe5b4b95df0 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -581,6 +581,9 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
sg_io_hdr_t *hp;
unsigned char cmnd[SG_MAX_CDB_SIZE];

+ if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
+ return -EINVAL;
+
if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
return -ENXIO;
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 0f28c08fcb3c..77b551da5728 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -909,6 +909,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
if (err) {
ssb_warn("WARNING: Using fallback SPROM failed (err %d)\n",
err);
+ goto out_free;
} else {
ssb_dbg("Using SPROM revision %d provided by platform\n",
sprom->revision);
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 0f97d7b611d7..1c967c30e4ce 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -1832,7 +1832,7 @@ static int ni_ai_insn_read(struct comedi_device *dev,
unsigned int *data)
{
struct ni_private *devpriv = dev->private;
- unsigned int mask = (s->maxdata + 1) >> 1;
+ unsigned int mask = s->maxdata;
int i, n;
unsigned int signbits;
unsigned int d;
@@ -1875,7 +1875,7 @@ static int ni_ai_insn_read(struct comedi_device *dev,
return -ETIME;
}
d += signbits;
- data[n] = d;
+ data[n] = d & 0xffff;
}
} else if (devpriv->is_6143) {
for (n = 0; n < insn->n; n++) {
@@ -1924,9 +1924,8 @@ static int ni_ai_insn_read(struct comedi_device *dev,
data[n] = dl;
} else {
d = ni_readw(dev, NI_E_AI_FIFO_DATA_REG);
- /* subtle: needs to be short addition */
d += signbits;
- data[n] = d;
+ data[n] = d & 0xffff;
}
}
}
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c
index 9a1136e32dfc..34efb499c00b 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c
@@ -356,10 +356,10 @@ static int ldlm_pool_recalc(struct ldlm_pool *pl)
u32 recalc_interval_sec;
int count;

- recalc_interval_sec = ktime_get_seconds() - pl->pl_recalc_time;
+ recalc_interval_sec = ktime_get_real_seconds() - pl->pl_recalc_time;
if (recalc_interval_sec > 0) {
spin_lock(&pl->pl_lock);
- recalc_interval_sec = ktime_get_seconds() - pl->pl_recalc_time;
+ recalc_interval_sec = ktime_get_real_seconds() - pl->pl_recalc_time;

if (recalc_interval_sec > 0) {
/*
@@ -382,7 +382,7 @@ static int ldlm_pool_recalc(struct ldlm_pool *pl)
count);
}

- recalc_interval_sec = pl->pl_recalc_time - ktime_get_seconds() +
+ recalc_interval_sec = pl->pl_recalc_time - ktime_get_real_seconds() +
pl->pl_recalc_period;
if (recalc_interval_sec <= 0) {
/* DEBUG: should be re-removed after LU-4536 is fixed */
@@ -657,7 +657,7 @@ int ldlm_pool_init(struct ldlm_pool *pl, struct ldlm_namespace *ns,

spin_lock_init(&pl->pl_lock);
atomic_set(&pl->pl_granted, 0);
- pl->pl_recalc_time = ktime_get_seconds();
+ pl->pl_recalc_time = ktime_get_real_seconds();
atomic_set(&pl->pl_lock_volume_factor, 1);

atomic_set(&pl->pl_grant_rate, 0);
diff --git a/drivers/staging/lustre/lustre/osc/osc_page.c b/drivers/staging/lustre/lustre/osc/osc_page.c
index 2a7a70aa9e80..9168451d2f29 100644
--- a/drivers/staging/lustre/lustre/osc/osc_page.c
+++ b/drivers/staging/lustre/lustre/osc/osc_page.c
@@ -542,7 +542,6 @@ long osc_lru_shrink(const struct lu_env *env, struct client_obd *cli,
struct cl_object *clobj = NULL;
struct cl_page **pvec;
struct osc_page *opg;
- struct osc_page *temp;
int maxscan = 0;
long count = 0;
int index = 0;
@@ -569,13 +568,15 @@ long osc_lru_shrink(const struct lu_env *env, struct client_obd *cli,

spin_lock(&cli->cl_lru_list_lock);
maxscan = min(target << 1, atomic_long_read(&cli->cl_lru_in_list));
- list_for_each_entry_safe(opg, temp, &cli->cl_lru_list, ops_lru) {
+ while (!list_empty(&cli->cl_lru_list)) {
struct cl_page *page;
bool will_free = false;

if (--maxscan < 0)
break;

+ opg = list_entry(cli->cl_lru_list.next, struct osc_page,
+ ops_lru);
page = opg->ops_cl.cpl_page;
if (lru_page_busy(cli, page)) {
list_move_tail(&opg->ops_lru, &cli->cl_lru_list);
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 923c032f0b95..e980e2d0c2db 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -100,8 +100,10 @@ static ssize_t lio_target_np_driver_store(struct config_item *item,

tpg_np_new = iscsit_tpg_add_network_portal(tpg,
&np->np_sockaddr, tpg_np, type);
- if (IS_ERR(tpg_np_new))
+ if (IS_ERR(tpg_np_new)) {
+ rc = PTR_ERR(tpg_np_new);
goto out;
+ }
} else {
tpg_np_new = iscsit_tpg_locate_child_np(tpg_np, type);
if (tpg_np_new) {
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 47562509b489..70c143a5c38c 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -685,8 +685,6 @@ static int tcmu_check_expired_cmd(int id, void *p, void *data)
target_complete_cmd(cmd->se_cmd, SAM_STAT_CHECK_CONDITION);
cmd->se_cmd = NULL;

- kmem_cache_free(tcmu_cmd_cache, cmd);
-
return 0;
}

diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index c41c7742903a..2dcd4194d103 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -98,7 +98,7 @@ temp_crit_show(struct device *dev, struct device_attribute *attr, char *buf)
int temperature;
int ret;

- ret = tz->ops->get_trip_temp(tz, 0, &temperature);
+ ret = tz->ops->get_crit_temp(tz, &temperature);
if (ret)
return ret;

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index fb0672554123..793395451982 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -1264,7 +1264,7 @@ static int sc16is7xx_probe(struct device *dev,

/* Setup interrupt */
ret = devm_request_irq(dev, irq, sc16is7xx_irq,
- IRQF_ONESHOT | flags, dev_name(dev), s);
+ flags, dev_name(dev), s);
if (!ret)
return 0;

diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index 0f8caae4267d..ece10e6b731b 100644
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -982,7 +982,7 @@ static void kbd_led_trigger_activate(struct led_classdev *cdev)
KBD_LED_TRIGGER((_led_bit) + 8, _name)

static struct kbd_led_trigger kbd_led_triggers[] = {
- KBD_LED_TRIGGER(VC_SCROLLOCK, "kbd-scrollock"),
+ KBD_LED_TRIGGER(VC_SCROLLOCK, "kbd-scrolllock"),
KBD_LED_TRIGGER(VC_NUMLOCK, "kbd-numlock"),
KBD_LED_TRIGGER(VC_CAPSLOCK, "kbd-capslock"),
KBD_LED_TRIGGER(VC_KANALOCK, "kbd-kanalock"),
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 8712062275b8..5f685c819298 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -106,6 +106,50 @@ static ssize_t bad_inode_listxattr(struct dentry *dentry, char *buffer,
return -EIO;
}

+static const char *bad_inode_get_link(struct dentry *dentry,
+ struct inode *inode,
+ struct delayed_call *done)
+{
+ return ERR_PTR(-EIO);
+}
+
+static struct posix_acl *bad_inode_get_acl(struct inode *inode, int type)
+{
+ return ERR_PTR(-EIO);
+}
+
+static int bad_inode_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo, u64 start,
+ u64 len)
+{
+ return -EIO;
+}
+
+static int bad_inode_update_time(struct inode *inode, struct timespec *time,
+ int flags)
+{
+ return -EIO;
+}
+
+static int bad_inode_atomic_open(struct inode *inode, struct dentry *dentry,
+ struct file *file, unsigned int open_flag,
+ umode_t create_mode, int *opened)
+{
+ return -EIO;
+}
+
+static int bad_inode_tmpfile(struct inode *inode, struct dentry *dentry,
+ umode_t mode)
+{
+ return -EIO;
+}
+
+static int bad_inode_set_acl(struct inode *inode, struct posix_acl *acl,
+ int type)
+{
+ return -EIO;
+}
+
static const struct inode_operations bad_inode_ops =
{
.create = bad_inode_create,
@@ -118,14 +162,17 @@ static const struct inode_operations bad_inode_ops =
.mknod = bad_inode_mknod,
.rename = bad_inode_rename2,
.readlink = bad_inode_readlink,
- /* follow_link must be no-op, otherwise unmounting this inode
- won't work */
- /* put_link returns void */
- /* truncate returns void */
.permission = bad_inode_permission,
.getattr = bad_inode_getattr,
.setattr = bad_inode_setattr,
.listxattr = bad_inode_listxattr,
+ .get_link = bad_inode_get_link,
+ .get_acl = bad_inode_get_acl,
+ .fiemap = bad_inode_fiemap,
+ .update_time = bad_inode_update_time,
+ .atomic_open = bad_inode_atomic_open,
+ .tmpfile = bad_inode_tmpfile,
+ .set_acl = bad_inode_set_acl,
};


diff --git a/fs/block_dev.c b/fs/block_dev.c
index 9166b9f63d33..092a2eed1628 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1950,6 +1950,7 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
spin_lock(&blockdev_superblock->s_inode_list_lock);
list_for_each_entry(inode, &blockdev_superblock->s_inodes, i_sb_list) {
struct address_space *mapping = inode->i_mapping;
+ struct block_device *bdev;

spin_lock(&inode->i_lock);
if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW) ||
@@ -1970,8 +1971,12 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
*/
iput(old_inode);
old_inode = inode;
+ bdev = I_BDEV(inode);

- func(I_BDEV(inode), arg);
+ mutex_lock(&bdev->bd_mutex);
+ if (bdev->bd_openers)
+ func(bdev, arg);
+ mutex_unlock(&bdev->bd_mutex);

spin_lock(&blockdev_superblock->s_inode_list_lock);
}
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 9ea85ae23c32..a1de8ef63e56 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -374,7 +374,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
*/
if (!PageUptodate(page)) {
unsigned pglen = nfs_page_length(page);
- unsigned end = offset + len;
+ unsigned end = offset + copied;

if (pglen == 0) {
zero_user_segments(page, 0, offset,
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 98ace127bf86..a5c38889e7ae 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -28,6 +28,9 @@

static struct group_info *ff_zero_group;

+static void ff_layout_read_record_layoutstats_done(struct rpc_task *task,
+ struct nfs_pgio_header *hdr);
+
static struct pnfs_layout_hdr *
ff_layout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
{
@@ -1293,6 +1296,7 @@ static int ff_layout_read_done_cb(struct rpc_task *task,
hdr->pgio_mirror_idx + 1,
&hdr->pgio_mirror_idx))
goto out_eagain;
+ ff_layout_read_record_layoutstats_done(task, hdr);
pnfs_read_resend_pnfs(hdr);
return task->tk_status;
case -NFS4ERR_RESET_TO_MDS:
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 259ef85f435a..31b107e196fd 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -299,6 +299,14 @@ pnfs_put_layout_hdr(struct pnfs_layout_hdr *lo)
}
}

+static void
+pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)
+{
+ lo->plh_return_iomode = 0;
+ lo->plh_return_seq = 0;
+ clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);
+}
+
/*
* Mark a pnfs_layout_hdr and all associated layout segments as invalid
*
@@ -317,6 +325,7 @@ pnfs_mark_layout_stateid_invalid(struct pnfs_layout_hdr *lo,
};

set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
+ pnfs_clear_layoutreturn_info(lo);
return pnfs_mark_matching_lsegs_invalid(lo, lseg_list, &range, 0);
}

@@ -411,7 +420,9 @@ pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo,
list_del_init(&lseg->pls_list);
/* Matched by pnfs_get_layout_hdr in pnfs_layout_insert_lseg */
atomic_dec(&lo->plh_refcount);
- if (list_empty(&lo->plh_segs)) {
+ if (list_empty(&lo->plh_segs) &&
+ !test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags) &&
+ !test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) {
if (atomic_read(&lo->plh_outstanding) == 0)
set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
clear_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags);
@@ -816,14 +827,6 @@ pnfs_destroy_all_layouts(struct nfs_client *clp)
pnfs_destroy_layouts_byclid(clp, false);
}

-static void
-pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)
-{
- lo->plh_return_iomode = 0;
- lo->plh_return_seq = 0;
- clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);
-}
-
/* update lo->plh_stateid with new if is more recent */
void
pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
@@ -944,6 +947,7 @@ static void pnfs_clear_layoutcommit(struct inode *inode,
void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo)
{
clear_bit_unlock(NFS_LAYOUT_RETURN, &lo->plh_flags);
+ clear_bit(NFS_LAYOUT_RETURN_LOCK, &lo->plh_flags);
smp_mb__after_atomic();
wake_up_bit(&lo->plh_flags, NFS_LAYOUT_RETURN);
rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq);
@@ -957,8 +961,9 @@ pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo,
/* Serialise LAYOUTGET/LAYOUTRETURN */
if (atomic_read(&lo->plh_outstanding) != 0)
return false;
- if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags))
+ if (test_and_set_bit(NFS_LAYOUT_RETURN_LOCK, &lo->plh_flags))
return false;
+ set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags);
pnfs_get_layout_hdr(lo);
if (test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) {
if (stateid != NULL) {
@@ -1950,6 +1955,8 @@ void pnfs_error_mark_layout_for_return(struct inode *inode,

spin_lock(&inode->i_lock);
pnfs_set_plh_return_info(lo, range.iomode, 0);
+ /* Block LAYOUTGET */
+ set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags);
/*
* mark all matching lsegs so that we are sure to have no live
* segments at hand when sending layoutreturn. See pnfs_put_lseg()
@@ -2286,6 +2293,10 @@ void pnfs_read_resend_pnfs(struct nfs_pgio_header *hdr)
struct nfs_pageio_descriptor pgio;

if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) {
+ /* Prevent deadlocks with layoutreturn! */
+ pnfs_put_lseg(hdr->lseg);
+ hdr->lseg = NULL;
+
nfs_pageio_init_read(&pgio, hdr->inode, false,
hdr->completion_ops);
hdr->task.tk_status = nfs_pageio_resend(&pgio, hdr);
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 5c295512c967..44cad8afda0e 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -96,6 +96,7 @@ enum {
NFS_LAYOUT_RW_FAILED, /* get rw layout failed stop trying */
NFS_LAYOUT_BULK_RECALL, /* bulk recall affecting layout */
NFS_LAYOUT_RETURN, /* layoutreturn in progress */
+ NFS_LAYOUT_RETURN_LOCK, /* Serialise layoutreturn */
NFS_LAYOUT_RETURN_REQUESTED, /* Return this layout ASAP */
NFS_LAYOUT_INVALID_STID, /* layout stateid id is invalid */
NFS_LAYOUT_FIRST_LAYOUTGET, /* Serialize first layoutget */
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index 741077deef3b..a3645249f7ec 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -150,12 +150,10 @@ int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
*/
void fsnotify_unmount_inodes(struct super_block *sb)
{
- struct inode *inode, *next_i, *need_iput = NULL;
+ struct inode *inode, *iput_inode = NULL;

spin_lock(&sb->s_inode_list_lock);
- list_for_each_entry_safe(inode, next_i, &sb->s_inodes, i_sb_list) {
- struct inode *need_iput_tmp;
-
+ list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
/*
* We cannot __iget() an inode in state I_FREEING,
* I_WILL_FREE, or I_NEW which is fine because by that point
@@ -178,49 +176,24 @@ void fsnotify_unmount_inodes(struct super_block *sb)
continue;
}

- need_iput_tmp = need_iput;
- need_iput = NULL;
-
- /* In case fsnotify_inode_delete() drops a reference. */
- if (inode != need_iput_tmp)
- __iget(inode);
- else
- need_iput_tmp = NULL;
+ __iget(inode);
spin_unlock(&inode->i_lock);
-
- /* In case the dropping of a reference would nuke next_i. */
- while (&next_i->i_sb_list != &sb->s_inodes) {
- spin_lock(&next_i->i_lock);
- if (!(next_i->i_state & (I_FREEING | I_WILL_FREE)) &&
- atomic_read(&next_i->i_count)) {
- __iget(next_i);
- need_iput = next_i;
- spin_unlock(&next_i->i_lock);
- break;
- }
- spin_unlock(&next_i->i_lock);
- next_i = list_next_entry(next_i, i_sb_list);
- }
-
- /*
- * We can safely drop s_inode_list_lock here because either
- * we actually hold references on both inode and next_i or
- * end of list. Also no new inodes will be added since the
- * umount has begun.
- */
spin_unlock(&sb->s_inode_list_lock);

- if (need_iput_tmp)
- iput(need_iput_tmp);
+ if (iput_inode)
+ iput(iput_inode);

/* for each watch, send FS_UNMOUNT and then remove it */
fsnotify(inode, FS_UNMOUNT, inode, FSNOTIFY_EVENT_INODE, NULL, 0);

fsnotify_inode_delete(inode);

- iput(inode);
+ iput_inode = inode;

spin_lock(&sb->s_inode_list_lock);
}
spin_unlock(&sb->s_inode_list_lock);
+
+ if (iput_inode)
+ iput(iput_inode);
}
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 14b51d739c3b..66167138120a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4584,6 +4584,17 @@ void cfg80211_rx_assoc_resp(struct net_device *dev,
void cfg80211_assoc_timeout(struct net_device *dev, struct cfg80211_bss *bss);

/**
+ * cfg80211_abandon_assoc - notify cfg80211 of abandoned association attempt
+ * @dev: network device
+ * @bss: The BSS entry with which association was abandoned.
+ *
+ * Call this whenever - for reasons reported through other API, like deauth RX,
+ * an association attempt was abandoned.
+ * This function may sleep. The caller must hold the corresponding wdev's mutex.
+ */
+void cfg80211_abandon_assoc(struct net_device *dev, struct cfg80211_bss *bss);
+
+/**
* cfg80211_tx_mlme_mgmt - notification of transmitted deauth/disassoc frame
* @dev: network device
* @buf: 802.11 frame (header + body)
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 931a47ba4571..1beab5532035 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -205,10 +205,12 @@ static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr,

dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if);
if (dev) {
- ip4 = (struct in_device *)dev->ip_ptr;
- if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address)
+ ip4 = in_dev_get(dev);
+ if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address) {
ipv6_addr_set_v4mapped(ip4->ifa_list->ifa_address,
(struct in6_addr *)gid);
+ in_dev_put(ip4);
+ }
dev_put(dev);
}
}
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 37dec7e3db43..46e312e9be38 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -299,10 +299,10 @@ u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset;
static inline u32 arch_gettimeoffset(void) { return 0; }
#endif

-static inline s64 timekeeping_delta_to_ns(struct tk_read_base *tkr,
+static inline u64 timekeeping_delta_to_ns(struct tk_read_base *tkr,
cycle_t delta)
{
- s64 nsec;
+ u64 nsec;

nsec = delta * tkr->mult + tkr->xtime_nsec;
nsec >>= tkr->shift;
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 4e480e870474..a17cb1d8415c 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -842,6 +842,10 @@ print_graph_entry_leaf(struct trace_iterator *iter,

cpu_data = per_cpu_ptr(data->cpu_data, cpu);

+ /* If a graph tracer ignored set_graph_notrace */
+ if (call->depth < -1)
+ call->depth += FTRACE_NOTRACE_DEPTH;
+
/*
* Comments display at + 1 to depth. Since
* this is a leaf function, keep the comments
@@ -850,7 +854,8 @@ print_graph_entry_leaf(struct trace_iterator *iter,
cpu_data->depth = call->depth - 1;

/* No need to keep this function around for this depth */
- if (call->depth < FTRACE_RETFUNC_DEPTH)
+ if (call->depth < FTRACE_RETFUNC_DEPTH &&
+ !WARN_ON_ONCE(call->depth < 0))
cpu_data->enter_funcs[call->depth] = 0;
}

@@ -880,11 +885,16 @@ print_graph_entry_nested(struct trace_iterator *iter,
struct fgraph_cpu_data *cpu_data;
int cpu = iter->cpu;

+ /* If a graph tracer ignored set_graph_notrace */
+ if (call->depth < -1)
+ call->depth += FTRACE_NOTRACE_DEPTH;
+
cpu_data = per_cpu_ptr(data->cpu_data, cpu);
cpu_data->depth = call->depth;

/* Save this function pointer to see if the exit matches */
- if (call->depth < FTRACE_RETFUNC_DEPTH)
+ if (call->depth < FTRACE_RETFUNC_DEPTH &&
+ !WARN_ON_ONCE(call->depth < 0))
cpu_data->enter_funcs[call->depth] = call->func;
}

@@ -1114,7 +1124,8 @@ print_graph_return(struct ftrace_graph_ret *trace, struct trace_seq *s,
*/
cpu_data->depth = trace->depth - 1;

- if (trace->depth < FTRACE_RETFUNC_DEPTH) {
+ if (trace->depth < FTRACE_RETFUNC_DEPTH &&
+ !WARN_ON_ONCE(trace->depth < 0)) {
if (cpu_data->enter_funcs[trace->depth] != trace->func)
func_match = 0;
cpu_data->enter_funcs[trace->depth] = 0;
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index a5502898ea33..2efb335deada 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2027,6 +2027,19 @@ static int process_connect(struct ceph_connection *con)

dout("process_connect on %p tag %d\n", con, (int)con->in_tag);

+ if (con->auth_reply_buf) {
+ /*
+ * Any connection that defines ->get_authorizer()
+ * should also define ->verify_authorizer_reply().
+ * See get_connect_authorizer().
+ */
+ ret = con->ops->verify_authorizer_reply(con, 0);
+ if (ret < 0) {
+ con->error_msg = "bad authorize reply";
+ return ret;
+ }
+ }
+
switch (con->in_reply.tag) {
case CEPH_MSGR_TAG_FEATURES:
pr_err("%s%lld %s feature set mismatch,"
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7486f2dab4ba..1118c61f835d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2510,7 +2510,7 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
}

static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
- bool assoc)
+ bool assoc, bool abandon)
{
struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data;

@@ -2533,6 +2533,9 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
mutex_lock(&sdata->local->mtx);
ieee80211_vif_release_channel(sdata);
mutex_unlock(&sdata->local->mtx);
+
+ if (abandon)
+ cfg80211_abandon_assoc(sdata->dev, assoc_data->bss);
}

kfree(assoc_data);
@@ -2762,7 +2765,7 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
bssid, reason_code,
ieee80211_get_reason_code_string(reason_code));

- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, true);

cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
return;
@@ -3167,14 +3170,14 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
if (status_code != WLAN_STATUS_SUCCESS) {
sdata_info(sdata, "%pM denied association (code=%d)\n",
mgmt->sa, status_code);
- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, false);
event.u.mlme.status = MLME_DENIED;
event.u.mlme.reason = status_code;
drv_event_callback(sdata->local, sdata, &event);
} else {
if (!ieee80211_assoc_success(sdata, bss, mgmt, len)) {
/* oops -- internal error -- send timeout for now */
- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, false);
cfg80211_assoc_timeout(sdata->dev, bss);
return;
}
@@ -3187,7 +3190,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
* recalc after assoc_data is NULL but before associated
* is set can cause the interface to go idle
*/
- ieee80211_destroy_assoc_data(sdata, true);
+ ieee80211_destroy_assoc_data(sdata, true, false);

/* get uapsd queues configuration */
uapsd_queues = 0;
@@ -3886,7 +3889,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
.u.mlme.status = MLME_TIMEOUT,
};

- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, false);
cfg80211_assoc_timeout(sdata->dev, bss);
drv_event_callback(sdata->local, sdata, &event);
}
@@ -4025,7 +4028,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
WLAN_REASON_DEAUTH_LEAVING,
false, frame_buf);
if (ifmgd->assoc_data)
- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, true);
if (ifmgd->auth_data)
ieee80211_destroy_auth_data(sdata, false);
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
@@ -4907,7 +4910,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
IEEE80211_STYPE_DEAUTH,
req->reason_code, tx,
frame_buf);
- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, true);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
req->reason_code);
@@ -4982,7 +4985,7 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
sdata_lock(sdata);
if (ifmgd->assoc_data) {
struct cfg80211_bss *bss = ifmgd->assoc_data->bss;
- ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_destroy_assoc_data(sdata, false, false);
cfg80211_assoc_timeout(sdata->dev, bss);
}
if (ifmgd->auth_data)
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 3dfd769dc5b5..16cea00c959b 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -541,9 +541,13 @@ gss_setup_upcall(struct gss_auth *gss_auth, struct rpc_cred *cred)
return gss_new;
gss_msg = gss_add_msg(gss_new);
if (gss_msg == gss_new) {
- int res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg);
+ int res;
+ atomic_inc(&gss_msg->count);
+ res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg);
if (res) {
gss_unhash_msg(gss_new);
+ atomic_dec(&gss_msg->count);
+ gss_release_msg(gss_new);
gss_msg = ERR_PTR(res);
}
} else
@@ -836,6 +840,7 @@ gss_pipe_destroy_msg(struct rpc_pipe_msg *msg)
warn_gssd();
gss_release_msg(gss_msg);
}
+ gss_release_msg(gss_msg);
}

static void gss_pipe_dentry_destroy(struct dentry *dir,
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index a53b3a16b4f1..62c056ea403b 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -606,9 +606,9 @@ static int virtio_transport_reset_no_sock(struct virtio_vsock_pkt *pkt)
return 0;

pkt = virtio_transport_alloc_pkt(&info, 0,
- le32_to_cpu(pkt->hdr.dst_cid),
+ le64_to_cpu(pkt->hdr.dst_cid),
le32_to_cpu(pkt->hdr.dst_port),
- le32_to_cpu(pkt->hdr.src_cid),
+ le64_to_cpu(pkt->hdr.src_cid),
le32_to_cpu(pkt->hdr.src_port));
if (!pkt)
return -ENOMEM;
@@ -823,7 +823,7 @@ virtio_transport_send_response(struct vsock_sock *vsk,
struct virtio_vsock_pkt_info info = {
.op = VIRTIO_VSOCK_OP_RESPONSE,
.type = VIRTIO_VSOCK_TYPE_STREAM,
- .remote_cid = le32_to_cpu(pkt->hdr.src_cid),
+ .remote_cid = le64_to_cpu(pkt->hdr.src_cid),
.remote_port = le32_to_cpu(pkt->hdr.src_port),
.reply = true,
};
@@ -863,9 +863,9 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt)
child->sk_state = SS_CONNECTED;

vchild = vsock_sk(child);
- vsock_addr_init(&vchild->local_addr, le32_to_cpu(pkt->hdr.dst_cid),
+ vsock_addr_init(&vchild->local_addr, le64_to_cpu(pkt->hdr.dst_cid),
le32_to_cpu(pkt->hdr.dst_port));
- vsock_addr_init(&vchild->remote_addr, le32_to_cpu(pkt->hdr.src_cid),
+ vsock_addr_init(&vchild->remote_addr, le64_to_cpu(pkt->hdr.src_cid),
le32_to_cpu(pkt->hdr.src_port));

vsock_insert_connected(vchild);
@@ -904,9 +904,9 @@ void virtio_transport_recv_pkt(struct virtio_vsock_pkt *pkt)
struct sock *sk;
bool space_available;

- vsock_addr_init(&src, le32_to_cpu(pkt->hdr.src_cid),
+ vsock_addr_init(&src, le64_to_cpu(pkt->hdr.src_cid),
le32_to_cpu(pkt->hdr.src_port));
- vsock_addr_init(&dst, le32_to_cpu(pkt->hdr.dst_cid),
+ vsock_addr_init(&dst, le64_to_cpu(pkt->hdr.dst_cid),
le32_to_cpu(pkt->hdr.dst_port));

trace_virtio_transport_recv_pkt(src.svm_cid, src.svm_port,
diff --git a/net/wireless/core.h b/net/wireless/core.h
index f0c0c8a48c92..5f5867f90fed 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -410,6 +410,7 @@ void cfg80211_sme_disassoc(struct wireless_dev *wdev);
void cfg80211_sme_deauth(struct wireless_dev *wdev);
void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
+void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);

/* internal helpers */
bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index cbb48e26a871..76775a2b421d 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -149,6 +149,18 @@ void cfg80211_assoc_timeout(struct net_device *dev, struct cfg80211_bss *bss)
}
EXPORT_SYMBOL(cfg80211_assoc_timeout);

+void cfg80211_abandon_assoc(struct net_device *dev, struct cfg80211_bss *bss)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+
+ cfg80211_sme_abandon_assoc(wdev);
+
+ cfg80211_unhold_bss(bss_from_pub(bss));
+ cfg80211_put_bss(wiphy, bss);
+}
+EXPORT_SYMBOL(cfg80211_abandon_assoc);
+
void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index a77db333927e..35cc1de85dcc 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -39,6 +39,7 @@ struct cfg80211_conn {
CFG80211_CONN_ASSOCIATING,
CFG80211_CONN_ASSOC_FAILED,
CFG80211_CONN_DEAUTH,
+ CFG80211_CONN_ABANDON,
CFG80211_CONN_CONNECTED,
} state;
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
@@ -206,6 +207,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
NULL, 0,
WLAN_REASON_DEAUTH_LEAVING, false);
+ /* fall through */
+ case CFG80211_CONN_ABANDON:
/* free directly, disconnected event already sent */
cfg80211_sme_free(wdev);
return 0;
@@ -423,6 +426,17 @@ void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev)
schedule_work(&rdev->conn_work);
}

+void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+
+ if (!wdev->conn)
+ return;
+
+ wdev->conn->state = CFG80211_CONN_ABANDON;
+ schedule_work(&rdev->conn_work);
+}
+
static int cfg80211_sme_get_conn_ies(struct wireless_dev *wdev,
const u8 *ies, size_t ies_len,
const u8 **out_ies, size_t *out_ies_len)
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index 8160f1c1b56e..dff390f692a2 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -328,9 +328,9 @@ static enum tree_code get_op(tree *rhs)
op = LROTATE_EXPR;
/*
* This code limits the value of random_const to
- * the size of a wide int for the rotation
+ * the size of a long for the rotation
*/
- random_const &= HOST_BITS_PER_WIDE_INT - 1;
+ random_const %= TYPE_PRECISION(long_unsigned_type_node);
break;
}

diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index 8275f0e55106..4b2f44c20caf 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -364,12 +364,14 @@ int dialog_inputbox(WINDOW *main_window,
WINDOW *prompt_win;
WINDOW *form_win;
PANEL *panel;
- int i, x, y;
+ int i, x, y, lines, columns, win_lines, win_cols;
int res = -1;
int cursor_position = strlen(init);
int cursor_form_win;
char *result = *resultp;

+ getmaxyx(stdscr, lines, columns);
+
if (strlen(init)+1 > *result_len) {
*result_len = strlen(init)+1;
*resultp = result = realloc(result, *result_len);
@@ -386,14 +388,19 @@ int dialog_inputbox(WINDOW *main_window,
if (title)
prompt_width = max(prompt_width, strlen(title));

+ win_lines = min(prompt_lines+6, lines-2);
+ win_cols = min(prompt_width+7, columns-2);
+ prompt_lines = max(win_lines-6, 0);
+ prompt_width = max(win_cols-7, 0);
+
/* place dialog in middle of screen */
- y = (getmaxy(stdscr)-(prompt_lines+4))/2;
- x = (getmaxx(stdscr)-(prompt_width+4))/2;
+ y = (lines-win_lines)/2;
+ x = (columns-win_cols)/2;

strncpy(result, init, *result_len);

/* create the windows */
- win = newwin(prompt_lines+6, prompt_width+7, y, x);
+ win = newwin(win_lines, win_cols, y, x);
prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
keypad(form_win, TRUE);
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index aeb5a441bd74..430d039d0079 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -593,7 +593,8 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,

pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));

- if (addr < sym->start || addr >= sym->end) {
+ if ((addr < sym->start || addr >= sym->end) &&
+ (addr != sym->end || sym->start != sym->end)) {
pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n",
__func__, __LINE__, sym->name, sym->start, addr, sym->end);
return -ERANGE;
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