diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 22a07c208fee..4f3206495217 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -76,10 +76,14 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #1319537 | ARM64_ERRATUM_1319367 |
+----------------+-----------------+-----------------+-----------------------------+
+| ARM | Cortex-A57 | #1742098 | ARM64_ERRATUM_1742098 |
++----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A72 | #853709 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A72 | #1319367 | ARM64_ERRATUM_1319367 |
+----------------+-----------------+-----------------+-----------------------------+
+| ARM | Cortex-A72 | #1655431 | ARM64_ERRATUM_1742098 |
++----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A73 | #858921 | ARM64_ERRATUM_858921 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1188873,1418040| ARM64_ERRATUM_1418040 |
diff --git a/Makefile b/Makefile
index 0e22d4c8bc79..a0750d051982 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 151
+SUBLEVEL = 152
EXTRAVERSION =
NAME = Dare mighty things
@@ -842,7 +842,9 @@ else
DEBUG_CFLAGS += -g
endif
-ifneq ($(LLVM_IAS),1)
+ifeq ($(LLVM_IAS),1)
+KBUILD_AFLAGS += -g
+else
KBUILD_AFLAGS += -Wa,-gdwarf-2
endif
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index af65ab83e63d..34bd4cba81e6 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -481,6 +481,22 @@ config ARM64_ERRATUM_834220
If unsure, say Y.
+config ARM64_ERRATUM_1742098
+ bool "Cortex-A57/A72: 1742098: ELR recorded incorrectly on interrupt taken between cryptographic instructions in a sequence"
+ depends on COMPAT
+ default y
+ help
+ This option removes the AES hwcap for aarch32 user-space to
+ workaround erratum 1742098 on Cortex-A57 and Cortex-A72.
+
+ Affected parts may corrupt the AES state if an interrupt is
+ taken between a pair of AES instructions. These instructions
+ are only present if the cryptography extensions are present.
+ All software should have a fallback implementation for CPUs
+ that don't implement the cryptography extensions.
+
+ If unsure, say Y.
+
config ARM64_ERRATUM_845719
bool "Cortex-A53: 845719: a load might read incorrect data"
depends on COMPAT
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lte-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lte-sku.dtsi
index 44956e3165a1..469aad4e5948 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lte-sku.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lte-sku.dtsi
@@ -9,6 +9,10 @@ &ap_sar_sensor {
label = "proximity-wifi-lte";
};
+&mpss_mem {
+ reg = <0x0 0x86000000 0x0 0x8c00000>;
+};
+
&remoteproc_mpss {
firmware-name = "qcom/sc7180-trogdor/modem/mba.mbn",
"qcom/sc7180-trogdor/modem/qdsp6sw.mbn";
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index 5b2a616c6257..cb2c47f13a8a 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -39,7 +39,7 @@ atf_mem: memory@80b00000 {
};
mpss_mem: memory@86000000 {
- reg = <0x0 0x86000000 0x0 0x8c00000>;
+ reg = <0x0 0x86000000 0x0 0x2000000>;
no-map;
};
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index 53030d3c03a2..d2080a41f6e6 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -68,7 +68,8 @@
#define ARM64_WORKAROUND_1508412 58
#define ARM64_SPECTRE_BHB 59
#define ARM64_WORKAROUND_2457168 60
+#define ARM64_WORKAROUND_1742098 61
-#define ARM64_NCAPS 61
+#define ARM64_NCAPS 62
#endif /* __ASM_CPUCAPS_H */
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index aaacca6fd52f..5d6f19bc628c 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -356,6 +356,14 @@ static const struct midr_range erratum_1463225[] = {
};
#endif
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+static struct midr_range broken_aarch32_aes[] = {
+ MIDR_RANGE(MIDR_CORTEX_A57, 0, 1, 0xf, 0xf),
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+ {},
+};
+#endif
+
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
@@ -554,6 +562,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
/* Cortex-A510 r0p0-r1p1 */
CAP_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1)
},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+ {
+ .desc = "ARM erratum 1742098",
+ .capability = ARM64_WORKAROUND_1742098,
+ CAP_MIDR_RANGE_LIST(broken_aarch32_aes),
+ .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+ },
#endif
{
}
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index e72c90b82656..f3767c144593 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -76,6 +76,7 @@
#include <asm/cpufeature.h>
#include <asm/cpu_ops.h>
#include <asm/fpsimd.h>
+#include <asm/hwcap.h>
#include <asm/mmu_context.h>
#include <asm/mte.h>
#include <asm/processor.h>
@@ -1730,6 +1731,14 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap)
}
#endif /* CONFIG_ARM64_MTE */
+static void elf_hwcap_fixup(void)
+{
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+ if (cpus_have_const_cap(ARM64_WORKAROUND_1742098))
+ compat_elf_hwcap2 &= ~COMPAT_HWCAP2_AES;
+#endif /* ARM64_ERRATUM_1742098 */
+}
+
/* Internal helper functions to match cpu capability type */
static bool
cpucap_late_cpu_optional(const struct arm64_cpu_capabilities *cap)
@@ -2735,8 +2744,10 @@ void __init setup_cpu_features(void)
setup_system_capabilities();
setup_elf_hwcaps(arm64_elf_hwcaps);
- if (system_supports_32bit_el0())
+ if (system_supports_32bit_el0()) {
setup_elf_hwcaps(compat_elf_hwcaps);
+ elf_hwcap_fixup();
+ }
if (system_uses_ttbr0_pan())
pr_info("emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching\n");
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index 4358bc319306..f35af19b7055 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -22,46 +22,6 @@
#include <asm/cputype.h>
#include <asm/topology.h>
-void store_cpu_topology(unsigned int cpuid)
-{
- struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
- u64 mpidr;
-
- if (cpuid_topo->package_id != -1)
- goto topology_populated;
-
- mpidr = read_cpuid_mpidr();
-
- /* Uniprocessor systems can rely on default topology values */
- if (mpidr & MPIDR_UP_BITMASK)
- return;
-
- /*
- * This would be the place to create cpu topology based on MPIDR.
- *
- * However, it cannot be trusted to depict the actual topology; some
- * pieces of the architecture enforce an artificial cap on Aff0 values
- * (e.g. GICv3's ICC_SGI1R_EL1 limits it to 15), leading to an
- * artificial cycling of Aff1, Aff2 and Aff3 values. IOW, these end up
- * having absolutely no relationship to the actual underlying system
- * topology, and cannot be reasonably used as core / package ID.
- *
- * If the MT bit is set, Aff0 *could* be used to define a thread ID, but
- * we still wouldn't be able to obtain a sane core ID. This means we
- * need to entirely ignore MPIDR for any topology deduction.
- */
- cpuid_topo->thread_id = -1;
- cpuid_topo->core_id = cpuid;
- cpuid_topo->package_id = cpu_to_node(cpuid);
-
- pr_debug("CPU%u: cluster %d core %d thread %d mpidr %#016llx\n",
- cpuid, cpuid_topo->package_id, cpuid_topo->core_id,
- cpuid_topo->thread_id, mpidr);
-
-topology_populated:
- update_siblings_masks(cpuid);
-}
-
#ifdef CONFIG_ACPI
static bool __init acpi_cpu_is_threaded(int cpu)
{
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index b9518f94bd43..23710bf5a86b 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -2096,7 +2096,7 @@ static int scan_its_table(struct vgic_its *its, gpa_t base, int size, u32 esz,
memset(entry, 0, esz);
- while (len > 0) {
+ while (true) {
int next_offset;
size_t byte_offset;
@@ -2109,6 +2109,9 @@ static int scan_its_table(struct vgic_its *its, gpa_t base, int size, u32 esz,
return next_offset;
byte_offset = next_offset * esz;
+ if (byte_offset >= len)
+ break;
+
id += next_offset;
gpa += byte_offset;
len -= byte_offset;
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 1b894c327578..557c4a8c4087 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -35,7 +35,7 @@ config RISCV
select CLINT_TIMER if !MMU
select COMMON_CLK
select EDAC_SUPPORT
- select GENERIC_ARCH_TOPOLOGY if SMP
+ select GENERIC_ARCH_TOPOLOGY
select GENERIC_ATOMIC64 if !64BIT
select GENERIC_CLOCKEVENTS
select GENERIC_EARLY_IOREMAP
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 117f3212a8e4..cc85858f7fe8 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -54,10 +54,17 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
static void __init parse_dtb(void)
{
/* Early scan of device tree from init memory */
- if (early_init_dt_scan(dtb_early_va))
- return;
+ if (early_init_dt_scan(dtb_early_va)) {
+ const char *name = of_flat_dt_get_machine_name();
+
+ if (name) {
+ pr_info("Machine model: %s\n", name);
+ dump_stack_set_arch_desc("%s (DT)", name);
+ }
+ } else {
+ pr_err("No DTB passed to the kernel\n");
+ }
- pr_err("No DTB passed to the kernel\n");
#ifdef CONFIG_CMDLINE_FORCE
strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
pr_info("Forcing kernel command line to: %s\n", boot_command_line);
diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c
index 0b04e0eae3ab..0e0aed380e28 100644
--- a/arch/riscv/kernel/smpboot.c
+++ b/arch/riscv/kernel/smpboot.c
@@ -46,6 +46,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
int cpuid;
int ret;
+ store_cpu_topology(smp_processor_id());
+
/* This covers non-smp usecase mandated by "nosmp" option */
if (max_cpus == 0)
return;
@@ -152,8 +154,8 @@ asmlinkage __visible void smp_callin(void)
mmgrab(mm);
current->active_mm = mm;
+ store_cpu_topology(curr_cpuid);
notify_cpu_starting(curr_cpuid);
- update_siblings_masks(curr_cpuid);
set_cpu_online(curr_cpuid, 1);
/*
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 159646da3c6b..d64e69013995 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1945,7 +1945,6 @@ config EFI
config EFI_STUB
bool "EFI stub support"
depends on EFI && !X86_USE_3DNOW
- depends on $(cc-option,-mabi=ms) || X86_32
select RELOCATABLE
help
This kernel feature allows a bzImage to be loaded directly
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index cc3b79c06685..95234f46b0fb 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -13,6 +13,8 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/types.h>
+#include <linux/bits.h>
+#include <linux/limits.h>
#include <linux/slab.h>
#include <linux/device.h>
@@ -1348,11 +1350,37 @@ static void pt_addr_filters_fini(struct perf_event *event)
event->hw.addr_filters = NULL;
}
-static inline bool valid_kernel_ip(unsigned long ip)
+#ifdef CONFIG_X86_64
+static u64 canonical_address(u64 vaddr, u8 vaddr_bits)
{
- return virt_addr_valid(ip) && kernel_ip(ip);
+ return ((s64)vaddr << (64 - vaddr_bits)) >> (64 - vaddr_bits);
}
+static u64 is_canonical_address(u64 vaddr, u8 vaddr_bits)
+{
+ return canonical_address(vaddr, vaddr_bits) == vaddr;
+}
+
+/* Clamp to a canonical address greater-than-or-equal-to the address given */
+static u64 clamp_to_ge_canonical_addr(u64 vaddr, u8 vaddr_bits)
+{
+ return is_canonical_address(vaddr, vaddr_bits) ?
+ vaddr :
+ -BIT_ULL(vaddr_bits - 1);
+}
+
+/* Clamp to a canonical address less-than-or-equal-to the address given */
+static u64 clamp_to_le_canonical_addr(u64 vaddr, u8 vaddr_bits)
+{
+ return is_canonical_address(vaddr, vaddr_bits) ?
+ vaddr :
+ BIT_ULL(vaddr_bits - 1) - 1;
+}
+#else
+#define clamp_to_ge_canonical_addr(x, y) (x)
+#define clamp_to_le_canonical_addr(x, y) (x)
+#endif
+
static int pt_event_addr_filters_validate(struct list_head *filters)
{
struct perf_addr_filter *filter;
@@ -1367,14 +1395,6 @@ static int pt_event_addr_filters_validate(struct list_head *filters)
filter->action == PERF_ADDR_FILTER_ACTION_START)
return -EOPNOTSUPP;
- if (!filter->path.dentry) {
- if (!valid_kernel_ip(filter->offset))
- return -EINVAL;
-
- if (!valid_kernel_ip(filter->offset + filter->size))
- return -EINVAL;
- }
-
if (++range > intel_pt_validate_hw_cap(PT_CAP_num_address_ranges))
return -EOPNOTSUPP;
}
@@ -1398,9 +1418,26 @@ static void pt_event_addr_filters_sync(struct perf_event *event)
if (filter->path.dentry && !fr[range].start) {
msr_a = msr_b = 0;
} else {
- /* apply the offset */
- msr_a = fr[range].start;
- msr_b = msr_a + fr[range].size - 1;
+ unsigned long n = fr[range].size - 1;
+ unsigned long a = fr[range].start;
+ unsigned long b;
+
+ if (a > ULONG_MAX - n)
+ b = ULONG_MAX;
+ else
+ b = a + n;
+ /*
+ * Apply the offset. 64-bit addresses written to the
+ * MSRs must be canonical, but the range can encompass
+ * non-canonical addresses. Since software cannot
+ * execute at non-canonical addresses, adjusting to
+ * canonical addresses does not affect the result of the
+ * address filter.
+ */
+ msr_a = clamp_to_ge_canonical_addr(a, boot_cpu_data.x86_virt_bits);
+ msr_b = clamp_to_le_canonical_addr(b, boot_cpu_data.x86_virt_bits);
+ if (msr_b < msr_a)
+ msr_a = msr_b = 0;
}
filters->filter[range].msr_a = msr_a;
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index bf1ed2ddc74b..7a983119bc40 100644
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -17,8 +17,10 @@ arch_rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr)
{
u64 start = rmrr->base_address;
u64 end = rmrr->end_address + 1;
+ int entry_type;
- if (e820__mapped_all(start, end, E820_TYPE_RESERVED))
+ entry_type = e820__get_entry_type(start, end);
+ if (entry_type == E820_TYPE_RESERVED || entry_type == E820_TYPE_NVS)
return 0;
pr_err(FW_BUG "No firmware reserved region can cover this RMRR [%#018Lx-%#018Lx], contact BIOS vendor for fixes\n",
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index c87936441339..234a96f25248 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -441,7 +441,13 @@ apply_microcode_early_amd(u32 cpuid_1_eax, void *ucode, size_t size, bool save_p
return ret;
native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
- if (rev >= mc->hdr.patch_id)
+
+ /*
+ * Allow application of the same revision to pick up SMT-specific
+ * changes even if the revision of the other SMT thread is already
+ * up-to-date.
+ */
+ if (rev > mc->hdr.patch_id)
return ret;
if (!__apply_microcode_amd(mc)) {
@@ -523,8 +529,12 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax)
native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
- /* Check whether we have saved a new patch already: */
- if (*new_rev && rev < mc->hdr.patch_id) {
+ /*
+ * Check whether a new patch has been saved already. Also, allow application of
+ * the same revision in order to pick up SMT-thread-specific configuration even
+ * if the sibling SMT thread already has an up-to-date revision.
+ */
+ if (*new_rev && rev <= mc->hdr.patch_id) {
if (!__apply_microcode_amd(mc)) {
*new_rev = mc->hdr.patch_id;
return;
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 35d81b5deae1..6f63920f073c 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -838,9 +838,11 @@ int wbt_init(struct request_queue *q)
rwb->last_comp = rwb->last_issue = jiffies;
rwb->win_nsec = RWB_WINDOW_NSEC;
rwb->enable_state = WBT_STATE_ON_DEFAULT;
- rwb->wc = 1;
+ rwb->wc = test_bit(QUEUE_FLAG_WC, &q->queue_flags);
rwb->rq_depth.default_depth = RWB_DEF_DEPTH;
- wbt_update_limits(rwb);
+ rwb->min_lat_nsec = wbt_default_latency_nsec(q);
+
+ wbt_queue_depth_changed(&rwb->rqos);
/*
* Assign rwb and add the stats callback.
@@ -848,10 +850,5 @@ int wbt_init(struct request_queue *q)
rq_qos_add(q, &rwb->rqos);
blk_stat_add_callback(q, rwb->cb);
- rwb->min_lat_nsec = wbt_default_latency_nsec(q);
-
- wbt_queue_depth_changed(&rwb->rqos);
- wbt_set_write_cache(q, test_bit(QUEUE_FLAG_WC, &q->queue_flags));
-
return 0;
}
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index 72f1fb77abcd..e648158368a7 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -12,6 +12,7 @@
#include <linux/ratelimit.h>
#include <linux/edac.h>
#include <linux/ras.h>
+#include <acpi/ghes.h>
#include <asm/cpu.h>
#include <asm/mce.h>
@@ -138,8 +139,8 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
int cpu = mce->extcpu;
struct acpi_hest_generic_status *estatus, *tmp;
struct acpi_hest_generic_data *gdata;
- const guid_t *fru_id = &guid_null;
- char *fru_text = "";
+ const guid_t *fru_id;
+ char *fru_text;
guid_t *sec_type;
static u32 err_seq;
@@ -160,17 +161,23 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
/* log event via trace */
err_seq++;
- gdata = (struct acpi_hest_generic_data *)(tmp + 1);
- if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
- fru_id = (guid_t *)gdata->fru_id;
- if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
- fru_text = gdata->fru_text;
- sec_type = (guid_t *)gdata->section_type;
- if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
- struct cper_sec_mem_err *mem = (void *)(gdata + 1);
- if (gdata->error_data_length >= sizeof(*mem))
- trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,
- (u8)gdata->error_severity);
+ apei_estatus_for_each_section(tmp, gdata) {
+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
+ fru_id = (guid_t *)gdata->fru_id;
+ else
+ fru_id = &guid_null;
+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
+ fru_text = gdata->fru_text;
+ else
+ fru_text = "";
+ sec_type = (guid_t *)gdata->section_type;
+ if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
+ struct cper_sec_mem_err *mem = (void *)(gdata + 1);
+
+ if (gdata->error_data_length >= sizeof(*mem))
+ trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,
+ (u8)gdata->error_severity);
+ }
}
out:
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index e39d59ad6496..b13713199ad9 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -500,6 +500,70 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "PF5LUXG"),
},
},
+ /*
+ * More Tongfang devices with the same issue as the Clevo NL5xRU and
+ * NL5xNU/TUXEDO Aura 15 Gen1 and Gen2. See the description above.
+ */
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GKxNRxx",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GKxNRxx"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GKxNRxx",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "POLARIS1501A1650TI"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GKxNRxx",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "POLARIS1501A2060"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GKxNRxx",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "POLARIS1701A1650TI"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GKxNRxx",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "POLARIS1701A2060"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GMxNGxx",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GMxNGxx"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GMxZGxx",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GMxZGxx"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "TongFang GMxRGxx",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GMxRGxx"),
+ },
+ },
/*
* Desktops which falsely report a backlight and which our heuristics
* for this do not catch.
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index d1f284f0c83d..1ce897356993 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -254,7 +254,7 @@ enum {
PCS_7 = 0x94, /* 7+ port PCS (Denverton) */
/* em constants */
- EM_MAX_SLOTS = 8,
+ EM_MAX_SLOTS = SATA_PMP_MAX_PORTS,
EM_MAX_RETRY = 5,
/* em_ctl bits */
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 388baf528fa8..189f75d53741 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -1230,4 +1230,4 @@ module_platform_driver(imx_ahci_driver);
MODULE_DESCRIPTION("Freescale i.MX AHCI SATA platform driver");
MODULE_AUTHOR("Richard Zhu <Hong-Xing.Zhu@xxxxxxxxxxxxx>");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("ahci:imx");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 8272a3a002a3..51647926e605 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -596,4 +596,23 @@ void __init init_cpu_topology(void)
else if (of_have_populated_dt() && parse_dt_topology())
reset_cpu_topology();
}
+
+void store_cpu_topology(unsigned int cpuid)
+{
+ struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
+
+ if (cpuid_topo->package_id != -1)
+ goto topology_populated;
+
+ cpuid_topo->thread_id = -1;
+ cpuid_topo->core_id = cpuid;
+ cpuid_topo->package_id = cpu_to_node(cpuid);
+
+ pr_debug("CPU%u: package %d core %d thread %d\n",
+ cpuid, cpuid_topo->package_id, cpuid_topo->core_id,
+ cpuid_topo->thread_id);
+
+topology_populated:
+ update_siblings_masks(cpuid);
+}
#endif
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index 7fdd30e92e42..9b3d24721d7b 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -215,6 +215,7 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
int speed = 0, pvs = 0, pvs_ver = 0;
u8 *speedbin;
size_t len;
+ int ret = 0;
speedbin = nvmem_cell_read(speedbin_nvmem, &len);
@@ -232,7 +233,8 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
break;
default:
dev_err(cpu_dev, "Unable to read nvmem data. Defaulting to 0!\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto len_error;
}
snprintf(*pvs_name, sizeof("speedXX-pvsXX-vXX"), "speed%d-pvs%d-v%d",
@@ -240,8 +242,9 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
drv->versions = (1 << speed);
+len_error:
kfree(speedbin);
- return 0;
+ return ret;
}
static const struct qcom_cpufreq_match_data match_data_kryo = {
@@ -264,7 +267,8 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
struct nvmem_cell *speedbin_nvmem;
struct device_node *np;
struct device *cpu_dev;
- char *pvs_name = "speedXX-pvsXX-vXX";
+ char pvs_name_buffer[] = "speedXX-pvsXX-vXX";
+ char *pvs_name = pvs_name_buffer;
unsigned cpu;
const struct of_device_id *match;
int ret;
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 65f816b40c32..dc147cc2436e 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -167,29 +167,11 @@ static struct mxs_dma_type mxs_dma_types[] = {
}
};
-static const struct platform_device_id mxs_dma_ids[] = {
- {
- .name = "imx23-dma-apbh",
- .driver_data = (kernel_ulong_t) &mxs_dma_types[0],
- }, {
- .name = "imx23-dma-apbx",
- .driver_data = (kernel_ulong_t) &mxs_dma_types[1],
- }, {
- .name = "imx28-dma-apbh",
- .driver_data = (kernel_ulong_t) &mxs_dma_types[2],
- }, {
- .name = "imx28-dma-apbx",
- .driver_data = (kernel_ulong_t) &mxs_dma_types[3],
- }, {
- /* end of list */
- }
-};
-
static const struct of_device_id mxs_dma_dt_ids[] = {
- { .compatible = "fsl,imx23-dma-apbh", .data = &mxs_dma_ids[0], },
- { .compatible = "fsl,imx23-dma-apbx", .data = &mxs_dma_ids[1], },
- { .compatible = "fsl,imx28-dma-apbh", .data = &mxs_dma_ids[2], },
- { .compatible = "fsl,imx28-dma-apbx", .data = &mxs_dma_ids[3], },
+ { .compatible = "fsl,imx23-dma-apbh", .data = &mxs_dma_types[0], },
+ { .compatible = "fsl,imx23-dma-apbx", .data = &mxs_dma_types[1], },
+ { .compatible = "fsl,imx28-dma-apbh", .data = &mxs_dma_types[2], },
+ { .compatible = "fsl,imx28-dma-apbx", .data = &mxs_dma_types[3], },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, mxs_dma_dt_ids);
@@ -688,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,
return mxs_chan->status;
}
-static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
+static int mxs_dma_init(struct mxs_dma_engine *mxs_dma)
{
int ret;
@@ -759,11 +741,9 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec,
ofdma->of_node);
}
-static int __init mxs_dma_probe(struct platform_device *pdev)
+static int mxs_dma_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- const struct platform_device_id *id_entry;
- const struct of_device_id *of_id;
const struct mxs_dma_type *dma_type;
struct mxs_dma_engine *mxs_dma;
struct resource *iores;
@@ -779,13 +759,7 @@ static int __init mxs_dma_probe(struct platform_device *pdev)
return ret;
}
- of_id = of_match_device(mxs_dma_dt_ids, &pdev->dev);
- if (of_id)
- id_entry = of_id->data;
- else
- id_entry = platform_get_device_id(pdev);
-
- dma_type = (struct mxs_dma_type *)id_entry->driver_data;
+ dma_type = (struct mxs_dma_type *)of_device_get_match_data(&pdev->dev);
mxs_dma->type = dma_type->type;
mxs_dma->dev_id = dma_type->id;
@@ -865,11 +839,7 @@ static struct platform_driver mxs_dma_driver = {
.name = "mxs-dma",
.of_match_table = mxs_dma_dt_ids,
},
- .id_table = mxs_dma_ids,
+ .probe = mxs_dma_probe,
};
-static int __init mxs_dma_module_init(void)
-{
- return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe);
-}
-subsys_initcall(mxs_dma_module_init);
+builtin_platform_driver(mxs_dma_driver);
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 6a311cd93440..e6de62734269 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -213,14 +213,14 @@ static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
}
static void virtio_gpu_cursor_cleanup_fb(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_plane_state *state)
{
struct virtio_gpu_framebuffer *vgfb;
- if (!plane->state->fb)
+ if (!state->fb)
return;
- vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
+ vgfb = to_virtio_gpu_framebuffer(state->fb);
if (vgfb->fence) {
dma_fence_put(&vgfb->fence->f);
vgfb->fence = NULL;
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index fc4c07459753..28158d2f2352 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -387,7 +387,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
magicmouse_raw_event(hdev, report, data + 2, data[1]);
magicmouse_raw_event(hdev, report, data + 2 + data[1],
size - 2 - data[1]);
- break;
+ return 0;
default:
return 0;
}
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index bb9211215a68..032129292957 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -46,9 +46,6 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius");
#define TOTAL_ATTRS (MAX_CORE_ATTRS + 1)
#define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO)
-#define TO_CORE_ID(cpu) (cpu_data(cpu).cpu_core_id)
-#define TO_ATTR_NO(cpu) (TO_CORE_ID(cpu) + BASE_SYSFS_ATTR_NO)
-
#ifdef CONFIG_SMP
#define for_each_sibling(i, cpu) \
for_each_cpu(i, topology_sibling_cpumask(cpu))
@@ -91,6 +88,8 @@ struct temp_data {
struct platform_data {
struct device *hwmon_dev;
u16 pkg_id;
+ u16 cpu_map[NUM_REAL_CORES];
+ struct ida ida;
struct cpumask cpumask;
struct temp_data *core_data[MAX_CORE_DATA];
struct device_attribute name_attr;
@@ -441,7 +440,7 @@ static struct temp_data *init_temp_data(unsigned int cpu, int pkg_flag)
MSR_IA32_THERM_STATUS;
tdata->is_pkg_data = pkg_flag;
tdata->cpu = cpu;
- tdata->cpu_core_id = TO_CORE_ID(cpu);
+ tdata->cpu_core_id = topology_core_id(cpu);
tdata->attr_size = MAX_CORE_ATTRS;
mutex_init(&tdata->update_lock);
return tdata;
@@ -454,7 +453,7 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
struct platform_data *pdata = platform_get_drvdata(pdev);
struct cpuinfo_x86 *c = &cpu_data(cpu);
u32 eax, edx;
- int err, attr_no;
+ int err, index, attr_no;
/*
* Find attr number for sysfs:
@@ -462,14 +461,26 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
* The attr number is always core id + 2
* The Pkgtemp will always show up as temp1_*, if available
*/
- attr_no = pkg_flag ? PKG_SYSFS_ATTR_NO : TO_ATTR_NO(cpu);
+ if (pkg_flag) {
+ attr_no = PKG_SYSFS_ATTR_NO;
+ } else {
+ index = ida_alloc(&pdata->ida, GFP_KERNEL);
+ if (index < 0)
+ return index;
+ pdata->cpu_map[index] = topology_core_id(cpu);
+ attr_no = index + BASE_SYSFS_ATTR_NO;
+ }
- if (attr_no > MAX_CORE_DATA - 1)
- return -ERANGE;
+ if (attr_no > MAX_CORE_DATA - 1) {
+ err = -ERANGE;
+ goto ida_free;
+ }
tdata = init_temp_data(cpu, pkg_flag);
- if (!tdata)
- return -ENOMEM;
+ if (!tdata) {
+ err = -ENOMEM;
+ goto ida_free;
+ }
/* Test if we can access the status register */
err = rdmsr_safe_on_cpu(cpu, tdata->status_reg, &eax, &edx);
@@ -505,6 +516,9 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
exit_free:
pdata->core_data[attr_no] = NULL;
kfree(tdata);
+ida_free:
+ if (!pkg_flag)
+ ida_free(&pdata->ida, index);
return err;
}
@@ -524,6 +538,9 @@ static void coretemp_remove_core(struct platform_data *pdata, int indx)
kfree(pdata->core_data[indx]);
pdata->core_data[indx] = NULL;
+
+ if (indx >= BASE_SYSFS_ATTR_NO)
+ ida_free(&pdata->ida, indx - BASE_SYSFS_ATTR_NO);
}
static int coretemp_probe(struct platform_device *pdev)
@@ -537,6 +554,7 @@ static int coretemp_probe(struct platform_device *pdev)
return -ENOMEM;
pdata->pkg_id = pdev->id;
+ ida_init(&pdata->ida);
platform_set_drvdata(pdev, pdata);
pdata->hwmon_dev = devm_hwmon_device_register_with_groups(dev, DRVNAME,
@@ -553,6 +571,7 @@ static int coretemp_remove(struct platform_device *pdev)
if (pdata->core_data[i])
coretemp_remove_core(pdata, i);
+ ida_destroy(&pdata->ida);
return 0;
}
@@ -647,7 +666,7 @@ static int coretemp_cpu_offline(unsigned int cpu)
struct platform_device *pdev = coretemp_get_pdev(cpu);
struct platform_data *pd;
struct temp_data *tdata;
- int indx, target;
+ int i, indx = -1, target;
/*
* Don't execute this on suspend as the device remove locks
@@ -660,12 +679,19 @@ static int coretemp_cpu_offline(unsigned int cpu)
if (!pdev)
return 0;
- /* The core id is too big, just return */
- indx = TO_ATTR_NO(cpu);
- if (indx > MAX_CORE_DATA - 1)
+ pd = platform_get_drvdata(pdev);
+
+ for (i = 0; i < NUM_REAL_CORES; i++) {
+ if (pd->cpu_map[i] == topology_core_id(cpu)) {
+ indx = i + BASE_SYSFS_ATTR_NO;
+ break;
+ }
+ }
+
+ /* Too many cores and this core is not populated, just return */
+ if (indx < 0)
return 0;
- pd = platform_get_drvdata(pdev);
tdata = pd->core_data[indx];
cpumask_clear_cpu(cpu, &pd->cpumask);
diff --git a/drivers/i2c/busses/i2c-qcom-cci.c b/drivers/i2c/busses/i2c-qcom-cci.c
index 09e599069a81..06c87c79bae7 100644
--- a/drivers/i2c/busses/i2c-qcom-cci.c
+++ b/drivers/i2c/busses/i2c-qcom-cci.c
@@ -638,6 +638,11 @@ static int cci_probe(struct platform_device *pdev)
if (ret < 0)
goto error;
+ pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
for (i = 0; i < cci->data->num_masters; i++) {
if (!cci->master[i].cci)
continue;
@@ -649,14 +654,12 @@ static int cci_probe(struct platform_device *pdev)
}
}
- pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC);
- pm_runtime_use_autosuspend(dev);
- pm_runtime_set_active(dev);
- pm_runtime_enable(dev);
-
return 0;
error_i2c:
+ pm_runtime_disable(dev);
+ pm_runtime_dont_use_autosuspend(dev);
+
for (--i ; i >= 0; i--) {
if (cci->master[i].cci) {
i2c_del_adapter(&cci->master[i].adap);
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index c48cf737b521..f23329b7f97c 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2846,6 +2846,7 @@ static int __init si_domain_init(int hw)
if (md_domain_init(si_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
domain_exit(si_domain);
+ si_domain = NULL;
return -EFAULT;
}
@@ -3505,6 +3506,10 @@ static int __init init_dmars(void)
disable_dmar_iommu(iommu);
free_dmar_iommu(iommu);
}
+ if (si_domain) {
+ domain_exit(si_domain);
+ si_domain = NULL;
+ }
kfree(g_iommus);
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index ea13170a6a2c..de34a87d1130 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -158,6 +158,8 @@ vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
else
return NULL;
fmt = find_format(inst, pixmp->pixelformat, f->type);
+ if (!fmt)
+ return NULL;
}
pixmp->width = clamp(pixmp->width, frame_width_min(inst),
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index de4cf6eb5258..142319c48405 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -1077,7 +1077,7 @@ static int mceusb_set_timeout(struct rc_dev *dev, unsigned int timeout)
struct mceusb_dev *ir = dev->priv;
unsigned int units;
- units = DIV_ROUND_CLOSEST(timeout, MCE_TIME_UNIT);
+ units = DIV_ROUND_UP(timeout, MCE_TIME_UNIT);
cmdbuf[2] = units >> 8;
cmdbuf[3] = units;
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 66a00b7c751f..6622e3262187 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1069,6 +1069,11 @@ static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
nr = blk_rq_sectors(req);
do {
+ unsigned int erase_arg = card->erase_arg;
+
+ if (mmc_card_broken_sd_discard(card))
+ erase_arg = SD_ERASE_ARG;
+
err = 0;
if (card->quirks & MMC_QUIRK_INAND_CMD38) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
@@ -1079,7 +1084,7 @@ static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
card->ext_csd.generic_cmd6_time);
}
if (!err)
- err = mmc_erase(card, from, nr, card->erase_arg);
+ err = mmc_erase(card, from, nr, erase_arg);
} while (err == -EIO && !mmc_blk_reset(md, card->host, type));
if (err)
status = BLK_STS_IOERR;
diff --git a/drivers/mmc/core/card.h b/drivers/mmc/core/card.h
index 7bd392d55cfa..5c6986131faf 100644
--- a/drivers/mmc/core/card.h
+++ b/drivers/mmc/core/card.h
@@ -70,6 +70,7 @@ struct mmc_fixup {
#define EXT_CSD_REV_ANY (-1u)
#define CID_MANFID_SANDISK 0x2
+#define CID_MANFID_SANDISK_SD 0x3
#define CID_MANFID_ATP 0x9
#define CID_MANFID_TOSHIBA 0x11
#define CID_MANFID_MICRON 0x13
@@ -222,4 +223,9 @@ static inline int mmc_card_broken_hpi(const struct mmc_card *c)
return c->quirks & MMC_QUIRK_BROKEN_HPI;
}
+static inline int mmc_card_broken_sd_discard(const struct mmc_card *c)
+{
+ return c->quirks & MMC_QUIRK_BROKEN_SD_DISCARD;
+}
+
#endif
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index d68e6e513a4f..c8c0f50a2076 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -99,6 +99,12 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc,
MMC_QUIRK_TRIM_BROKEN),
+ /*
+ * Some SD cards reports discard support while they don't
+ */
+ MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
+ MMC_QUIRK_BROKEN_SD_DISCARD),
+
END_FIXUP
};
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index d50b691f6c44..67211fc42d24 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -760,7 +760,7 @@ static void tegra_sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
*/
host_clk = tegra_host->ddr_signaling ? clock * 2 : clock;
clk_set_rate(pltfm_host->clk, host_clk);
- tegra_host->curr_clk_rate = host_clk;
+ tegra_host->curr_clk_rate = clk_get_rate(pltfm_host->clk);
if (tegra_host->ddr_signaling)
host->max_clk = host_clk;
else
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c
index 00fafc0f8512..430eccea8e5e 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -419,8 +419,10 @@ int hnae_ae_register(struct hnae_ae_dev *hdev, struct module *owner)
hdev->cls_dev.release = hnae_release;
(void)dev_set_name(&hdev->cls_dev, "hnae%d", hdev->id);
ret = device_register(&hdev->cls_dev);
- if (ret)
+ if (ret) {
+ put_device(&hdev->cls_dev);
return ret;
+ }
__module_get(THIS_MODULE);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 63054061966e..cc5f5c237774 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -2081,9 +2081,6 @@ static int i40e_set_ringparam(struct net_device *netdev,
*/
rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
err = i40e_setup_rx_descriptors(&rx_rings[i]);
- if (err)
- goto rx_unwind;
- err = i40e_alloc_rx_bi(&rx_rings[i]);
if (err)
goto rx_unwind;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index c7f243ddbcf7..ea6a984c6d12 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3409,12 +3409,8 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
if (ring->vsi->type == I40E_VSI_MAIN)
xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
- kfree(ring->rx_bi);
ring->xsk_pool = i40e_xsk_pool(ring);
if (ring->xsk_pool) {
- ret = i40e_alloc_rx_bi_zc(ring);
- if (ret)
- return ret;
ring->rx_buf_len =
xsk_pool_get_rx_frame_size(ring->xsk_pool);
/* For AF_XDP ZC, we disallow packets to span on
@@ -3432,9 +3428,6 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
ring->queue_index);
} else {
- ret = i40e_alloc_rx_bi(ring);
- if (ret)
- return ret;
ring->rx_buf_len = vsi->rx_buf_len;
if (ring->vsi->type == I40E_VSI_MAIN) {
ret = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
@@ -12684,6 +12677,14 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi,
i40e_reset_and_rebuild(pf, true, true);
}
+ if (!i40e_enabled_xdp_vsi(vsi) && prog) {
+ if (i40e_realloc_rx_bi_zc(vsi, true))
+ return -ENOMEM;
+ } else if (i40e_enabled_xdp_vsi(vsi) && !prog) {
+ if (i40e_realloc_rx_bi_zc(vsi, false))
+ return -ENOMEM;
+ }
+
for (i = 0; i < vsi->num_queue_pairs; i++)
WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog);
@@ -12916,6 +12917,7 @@ int i40e_queue_pair_disable(struct i40e_vsi *vsi, int queue_pair)
i40e_queue_pair_disable_irq(vsi, queue_pair);
err = i40e_queue_pair_toggle_rings(vsi, queue_pair, false /* off */);
+ i40e_clean_rx_ring(vsi->rx_rings[queue_pair]);
i40e_queue_pair_toggle_napi(vsi, queue_pair, false /* off */);
i40e_queue_pair_clean_rings(vsi, queue_pair);
i40e_queue_pair_reset_stats(vsi, queue_pair);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 5ad28129fab2..43be33d87e39 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1305,14 +1305,6 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
return -ENOMEM;
}
-int i40e_alloc_rx_bi(struct i40e_ring *rx_ring)
-{
- unsigned long sz = sizeof(*rx_ring->rx_bi) * rx_ring->count;
-
- rx_ring->rx_bi = kzalloc(sz, GFP_KERNEL);
- return rx_ring->rx_bi ? 0 : -ENOMEM;
-}
-
static void i40e_clear_rx_bi(struct i40e_ring *rx_ring)
{
memset(rx_ring->rx_bi, 0, sizeof(*rx_ring->rx_bi) * rx_ring->count);
@@ -1443,6 +1435,11 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
rx_ring->xdp_prog = rx_ring->vsi->xdp_prog;
+ rx_ring->rx_bi =
+ kcalloc(rx_ring->count, sizeof(*rx_ring->rx_bi), GFP_KERNEL);
+ if (!rx_ring->rx_bi)
+ return -ENOMEM;
+
return 0;
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index 93ac201f68b8..af843e8169f7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -465,7 +465,6 @@ int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size);
bool __i40e_chk_linearize(struct sk_buff *skb);
int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
u32 flags);
-int i40e_alloc_rx_bi(struct i40e_ring *rx_ring);
/**
* i40e_get_head - Retrieve head from head writeback
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 75e4a698c3db..7f1226123629 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -9,14 +9,6 @@
#include "i40e_txrx_common.h"
#include "i40e_xsk.h"
-int i40e_alloc_rx_bi_zc(struct i40e_ring *rx_ring)
-{
- unsigned long sz = sizeof(*rx_ring->rx_bi_zc) * rx_ring->count;
-
- rx_ring->rx_bi_zc = kzalloc(sz, GFP_KERNEL);
- return rx_ring->rx_bi_zc ? 0 : -ENOMEM;
-}
-
void i40e_clear_rx_bi_zc(struct i40e_ring *rx_ring)
{
memset(rx_ring->rx_bi_zc, 0,
@@ -28,6 +20,58 @@ static struct xdp_buff **i40e_rx_bi(struct i40e_ring *rx_ring, u32 idx)
return &rx_ring->rx_bi_zc[idx];
}
+/**
+ * i40e_realloc_rx_xdp_bi - reallocate SW ring for either XSK or normal buffer
+ * @rx_ring: Current rx ring
+ * @pool_present: is pool for XSK present
+ *
+ * Try allocating memory and return ENOMEM, if failed to allocate.
+ * If allocation was successful, substitute buffer with allocated one.
+ * Returns 0 on success, negative on failure
+ */
+static int i40e_realloc_rx_xdp_bi(struct i40e_ring *rx_ring, bool pool_present)
+{
+ size_t elem_size = pool_present ? sizeof(*rx_ring->rx_bi_zc) :
+ sizeof(*rx_ring->rx_bi);
+ void *sw_ring = kcalloc(rx_ring->count, elem_size, GFP_KERNEL);
+
+ if (!sw_ring)
+ return -ENOMEM;
+
+ if (pool_present) {
+ kfree(rx_ring->rx_bi);
+ rx_ring->rx_bi = NULL;
+ rx_ring->rx_bi_zc = sw_ring;
+ } else {
+ kfree(rx_ring->rx_bi_zc);
+ rx_ring->rx_bi_zc = NULL;
+ rx_ring->rx_bi = sw_ring;
+ }
+ return 0;
+}
+
+/**
+ * i40e_realloc_rx_bi_zc - reallocate rx SW rings
+ * @vsi: Current VSI
+ * @zc: is zero copy set
+ *
+ * Reallocate buffer for rx_rings that might be used by XSK.
+ * XDP requires more memory, than rx_buf provides.
+ * Returns 0 on success, negative on failure
+ */
+int i40e_realloc_rx_bi_zc(struct i40e_vsi *vsi, bool zc)
+{
+ struct i40e_ring *rx_ring;
+ unsigned long q;
+
+ for_each_set_bit(q, vsi->af_xdp_zc_qps, vsi->alloc_queue_pairs) {
+ rx_ring = vsi->rx_rings[q];
+ if (i40e_realloc_rx_xdp_bi(rx_ring, zc))
+ return -ENOMEM;
+ }
+ return 0;
+}
+
/**
* i40e_xsk_pool_enable - Enable/associate an AF_XDP buffer pool to a
* certain ring/qid
@@ -68,6 +112,10 @@ static int i40e_xsk_pool_enable(struct i40e_vsi *vsi,
if (err)
return err;
+ err = i40e_realloc_rx_xdp_bi(vsi->rx_rings[qid], true);
+ if (err)
+ return err;
+
err = i40e_queue_pair_enable(vsi, qid);
if (err)
return err;
@@ -112,6 +160,9 @@ static int i40e_xsk_pool_disable(struct i40e_vsi *vsi, u16 qid)
xsk_pool_dma_unmap(pool, I40E_RX_DMA_ATTR);
if (if_running) {
+ err = i40e_realloc_rx_xdp_bi(vsi->rx_rings[qid], false);
+ if (err)
+ return err;
err = i40e_queue_pair_enable(vsi, qid);
if (err)
return err;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.h b/drivers/net/ethernet/intel/i40e/i40e_xsk.h
index 7adfd8539247..36f5b6d20601 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.h
@@ -17,7 +17,7 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget);
bool i40e_clean_xdp_tx_irq(struct i40e_vsi *vsi, struct i40e_ring *tx_ring);
int i40e_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags);
-int i40e_alloc_rx_bi_zc(struct i40e_ring *rx_ring);
+int i40e_realloc_rx_bi_zc(struct i40e_vsi *vsi, bool zc);
void i40e_clear_rx_bi_zc(struct i40e_ring *rx_ring);
#endif /* _I40E_XSK_H_ */
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index e42520f909fe..cb12d0171517 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -2383,11 +2383,15 @@ int ionic_reconfigure_queues(struct ionic_lif *lif,
* than the full array, but leave the qcq shells in place
*/
for (i = lif->nxqs; i < lif->ionic->ntxqs_per_lif; i++) {
- lif->txqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
- ionic_qcq_free(lif, lif->txqcqs[i]);
+ if (lif->txqcqs && lif->txqcqs[i]) {
+ lif->txqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
+ ionic_qcq_free(lif, lif->txqcqs[i]);
+ }
- lif->rxqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
- ionic_qcq_free(lif, lif->rxqcqs[i]);
+ if (lif->rxqcqs && lif->rxqcqs[i]) {
+ lif->rxqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
+ ionic_qcq_free(lif, lif->rxqcqs[i]);
+ }
}
return err;
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 5b7413305be6..eb1be7302082 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -3255,6 +3255,30 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx)
bool was_enabled = efx->port_enabled;
int rc;
+#ifdef CONFIG_SFC_SRIOV
+ /* If this function is a VF and we have access to the parent PF,
+ * then use the PF control path to attempt to change the VF MAC address.
+ */
+ if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) {
+ struct efx_nic *efx_pf = pci_get_drvdata(efx->pci_dev->physfn);
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ u8 mac[ETH_ALEN];
+
+ /* net_dev->dev_addr can be zeroed by efx_net_stop in
+ * efx_ef10_sriov_set_vf_mac, so pass in a copy.
+ */
+ ether_addr_copy(mac, efx->net_dev->dev_addr);
+
+ rc = efx_ef10_sriov_set_vf_mac(efx_pf, nic_data->vf_index, mac);
+ if (!rc)
+ return 0;
+
+ netif_dbg(efx, drv, efx->net_dev,
+ "Updating VF mac via PF failed (%d), setting directly\n",
+ rc);
+ }
+#endif
+
efx_device_detach_sync(efx);
efx_net_stop(efx->net_dev);
@@ -3277,40 +3301,6 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx)
efx_net_open(efx->net_dev);
efx_device_attach_if_not_resetting(efx);
-#ifdef CONFIG_SFC_SRIOV
- if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) {
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
- struct pci_dev *pci_dev_pf = efx->pci_dev->physfn;
-
- if (rc == -EPERM) {
- struct efx_nic *efx_pf;
-
- /* Switch to PF and change MAC address on vport */
- efx_pf = pci_get_drvdata(pci_dev_pf);
-
- rc = efx_ef10_sriov_set_vf_mac(efx_pf,
- nic_data->vf_index,
- efx->net_dev->dev_addr);
- } else if (!rc) {
- struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf);
- struct efx_ef10_nic_data *nic_data = efx_pf->nic_data;
- unsigned int i;
-
- /* MAC address successfully changed by VF (with MAC
- * spoofing) so update the parent PF if possible.
- */
- for (i = 0; i < efx_pf->vf_count; ++i) {
- struct ef10_vf *vf = nic_data->vf + i;
-
- if (vf->efx == efx) {
- ether_addr_copy(vf->mac,
- efx->net_dev->dev_addr);
- return 0;
- }
- }
- }
- } else
-#endif
if (rc == -EPERM) {
netif_err(efx, drv, efx->net_dev,
"Cannot change MAC address; use sfboot to enable"
diff --git a/drivers/net/ethernet/sfc/filter.h b/drivers/net/ethernet/sfc/filter.h
index 40b2af8bfb81..2ac3c8f1b04b 100644
--- a/drivers/net/ethernet/sfc/filter.h
+++ b/drivers/net/ethernet/sfc/filter.h
@@ -157,7 +157,8 @@ struct efx_filter_spec {
u32 flags:6;
u32 dmaq_id:12;
u32 rss_context;
- __be16 outer_vid __aligned(4); /* allow jhash2() of match values */
+ u32 vport_id;
+ __be16 outer_vid;
__be16 inner_vid;
u8 loc_mac[ETH_ALEN];
u8 rem_mac[ETH_ALEN];
diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c
index 2c09afac5beb..36b46ddb6710 100644
--- a/drivers/net/ethernet/sfc/rx_common.c
+++ b/drivers/net/ethernet/sfc/rx_common.c
@@ -676,17 +676,17 @@ bool efx_filter_spec_equal(const struct efx_filter_spec *left,
(EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX)))
return false;
- return memcmp(&left->outer_vid, &right->outer_vid,
+ return memcmp(&left->vport_id, &right->vport_id,
sizeof(struct efx_filter_spec) -
- offsetof(struct efx_filter_spec, outer_vid)) == 0;
+ offsetof(struct efx_filter_spec, vport_id)) == 0;
}
u32 efx_filter_spec_hash(const struct efx_filter_spec *spec)
{
- BUILD_BUG_ON(offsetof(struct efx_filter_spec, outer_vid) & 3);
- return jhash2((const u32 *)&spec->outer_vid,
+ BUILD_BUG_ON(offsetof(struct efx_filter_spec, vport_id) & 3);
+ return jhash2((const u32 *)&spec->vport_id,
(sizeof(struct efx_filter_spec) -
- offsetof(struct efx_filter_spec, outer_vid)) / 4,
+ offsetof(struct efx_filter_spec, vport_id)) / 4,
0);
}
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index a0f338cf1424..367878493e70 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -977,7 +977,8 @@ struct net_device_context {
u32 vf_alloc;
/* Serial number of the VF to team with */
u32 vf_serial;
-
+ /* completion variable to confirm vf association */
+ struct completion vf_add;
/* Is the current data path through the VF NIC? */
bool data_path_is_vf;
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 6a7ab930ef70..d15da8287df3 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -1327,6 +1327,10 @@ static void netvsc_send_vf(struct net_device *ndev,
net_device_ctx->vf_alloc = nvmsg->msg.v4_msg.vf_assoc.allocated;
net_device_ctx->vf_serial = nvmsg->msg.v4_msg.vf_assoc.serial;
+
+ if (net_device_ctx->vf_alloc)
+ complete(&net_device_ctx->vf_add);
+
netdev_info(ndev, "VF slot %u %s\n",
net_device_ctx->vf_serial,
net_device_ctx->vf_alloc ? "added" : "removed");
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 18484370da0d..f2020be43cfe 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -2290,6 +2290,7 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
{
struct device *parent = vf_netdev->dev.parent;
struct net_device_context *ndev_ctx;
+ struct net_device *ndev;
struct pci_dev *pdev;
u32 serial;
@@ -2316,6 +2317,18 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
return hv_get_drvdata(ndev_ctx->device_ctx);
}
+ /* Fallback path to check synthetic vf with
+ * help of mac addr
+ */
+ list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) {
+ ndev = hv_get_drvdata(ndev_ctx->device_ctx);
+ if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr)) {
+ netdev_notice(vf_netdev,
+ "falling back to mac addr based matching\n");
+ return ndev;
+ }
+ }
+
netdev_notice(vf_netdev,
"no netdev found for vf serial:%u\n", serial);
return NULL;
@@ -2406,6 +2419,11 @@ static int netvsc_vf_changed(struct net_device *vf_netdev)
return NOTIFY_OK;
net_device_ctx->data_path_is_vf = vf_is_up;
+ if (vf_is_up && !net_device_ctx->vf_alloc) {
+ netdev_info(ndev, "Waiting for the VF association from host\n");
+ wait_for_completion(&net_device_ctx->vf_add);
+ }
+
netvsc_switch_datapath(ndev, vf_is_up);
netdev_info(ndev, "Data path switched %s VF: %s\n",
vf_is_up ? "to" : "from", vf_netdev->name);
@@ -2429,6 +2447,7 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev)
netvsc_vf_setxdp(vf_netdev, NULL);
+ reinit_completion(&net_device_ctx->vf_add);
netdev_rx_handler_unregister(vf_netdev);
netdev_upper_dev_unlink(vf_netdev, ndev);
RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL);
@@ -2466,6 +2485,7 @@ static int netvsc_probe(struct hv_device *dev,
INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_link_change);
+ init_completion(&net_device_ctx->vf_add);
spin_lock_init(&net_device_ctx->lock);
INIT_LIST_HEAD(&net_device_ctx->reconfig_events);
INIT_DELAYED_WORK(&net_device_ctx->vf_takeover, netvsc_vf_setup);
diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index 3a8849716459..db651649e0b8 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -268,8 +268,7 @@ static int dp83822_config_intr(struct phy_device *phydev)
DP83822_EEE_ERROR_CHANGE_INT_EN);
if (!dp83822->fx_enabled)
- misr_status |= DP83822_MDI_XOVER_INT_EN |
- DP83822_ANEG_ERR_INT_EN |
+ misr_status |= DP83822_ANEG_ERR_INT_EN |
DP83822_WOL_PKT_INT_EN;
err = phy_write(phydev, MII_DP83822_MISR2, misr_status);
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index f86acad0aad4..c8031e297faf 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -757,6 +757,14 @@ static int dp83867_config_init(struct phy_device *phydev)
else
val &= ~DP83867_SGMII_TYPE;
phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_SGMIICTL, val);
+
+ /* This is a SW workaround for link instability if RX_CTRL is
+ * not strapped to mode 3 or 4 in HW. This is required for SGMII
+ * in addition to clearing bit 7, handled above.
+ */
+ if (dp83867->rxctrl_strap_quirk)
+ phy_set_bits_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4,
+ BIT(8));
}
val = phy_read(phydev, DP83867_CFG3);
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 43ddbe61dc58..935cd296887f 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -763,6 +763,13 @@ static const struct usb_device_id products[] = {
},
#endif
+/* Lenovo ThinkPad OneLink+ Dock (based on Realtek RTL8153) */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3054, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+
/* ThinkPad USB-C Dock (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index a526242a3e36..f9a79d67d6d4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -6870,6 +6870,7 @@ static const struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927)},
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3054)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3069)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3082)},
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e9c13804760e..3f106771d15b 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3232,8 +3232,12 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
return ret;
if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) {
+ /*
+ * Do not return errors unless we are in a controller reset,
+ * the controller works perfectly fine without hwmon.
+ */
ret = nvme_hwmon_init(ctrl);
- if (ret < 0)
+ if (ret == -EINTR)
return ret;
}
@@ -4485,6 +4489,7 @@ EXPORT_SYMBOL_GPL(nvme_start_ctrl);
void nvme_uninit_ctrl(struct nvme_ctrl *ctrl)
{
+ nvme_hwmon_exit(ctrl);
nvme_fault_inject_fini(&ctrl->fault_inject);
dev_pm_qos_hide_latency_tolerance(ctrl->device);
cdev_device_del(&ctrl->cdev, ctrl->device);
diff --git a/drivers/nvme/host/hwmon.c b/drivers/nvme/host/hwmon.c
index 552dbc04567b..9e6e56c20ec9 100644
--- a/drivers/nvme/host/hwmon.c
+++ b/drivers/nvme/host/hwmon.c
@@ -12,7 +12,7 @@
struct nvme_hwmon_data {
struct nvme_ctrl *ctrl;
- struct nvme_smart_log log;
+ struct nvme_smart_log *log;
struct mutex read_lock;
};
@@ -60,14 +60,14 @@ static int nvme_set_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under,
static int nvme_hwmon_get_smart_log(struct nvme_hwmon_data *data)
{
return nvme_get_log(data->ctrl, NVME_NSID_ALL, NVME_LOG_SMART, 0,
- NVME_CSI_NVM, &data->log, sizeof(data->log), 0);
+ NVME_CSI_NVM, data->log, sizeof(*data->log), 0);
}
static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long *val)
{
struct nvme_hwmon_data *data = dev_get_drvdata(dev);
- struct nvme_smart_log *log = &data->log;
+ struct nvme_smart_log *log = data->log;
int temp;
int err;
@@ -163,7 +163,7 @@ static umode_t nvme_hwmon_is_visible(const void *_data,
case hwmon_temp_max:
case hwmon_temp_min:
if ((!channel && data->ctrl->wctemp) ||
- (channel && data->log.temp_sensor[channel - 1])) {
+ (channel && data->log->temp_sensor[channel - 1])) {
if (data->ctrl->quirks &
NVME_QUIRK_NO_TEMP_THRESH_CHANGE)
return 0444;
@@ -176,7 +176,7 @@ static umode_t nvme_hwmon_is_visible(const void *_data,
break;
case hwmon_temp_input:
case hwmon_temp_label:
- if (!channel || data->log.temp_sensor[channel - 1])
+ if (!channel || data->log->temp_sensor[channel - 1])
return 0444;
break;
default:
@@ -223,33 +223,57 @@ static const struct hwmon_chip_info nvme_hwmon_chip_info = {
int nvme_hwmon_init(struct nvme_ctrl *ctrl)
{
- struct device *dev = ctrl->dev;
+ struct device *dev = ctrl->device;
struct nvme_hwmon_data *data;
struct device *hwmon;
int err;
- data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
- return 0;
+ return -ENOMEM;
+
+ data->log = kzalloc(sizeof(*data->log), GFP_KERNEL);
+ if (!data->log) {
+ err = -ENOMEM;
+ goto err_free_data;
+ }
data->ctrl = ctrl;
mutex_init(&data->read_lock);
err = nvme_hwmon_get_smart_log(data);
if (err) {
- dev_warn(ctrl->device,
- "Failed to read smart log (error %d)\n", err);
- devm_kfree(dev, data);
- return err;
+ dev_warn(dev, "Failed to read smart log (error %d)\n", err);
+ goto err_free_log;
}
- hwmon = devm_hwmon_device_register_with_info(dev, "nvme", data,
- &nvme_hwmon_chip_info,
- NULL);
+ hwmon = hwmon_device_register_with_info(dev, "nvme",
+ data, &nvme_hwmon_chip_info,
+ NULL);
if (IS_ERR(hwmon)) {
dev_warn(dev, "Failed to instantiate hwmon device\n");
- devm_kfree(dev, data);
+ err = PTR_ERR(hwmon);
+ goto err_free_log;
}
-
+ ctrl->hwmon_device = hwmon;
return 0;
+
+err_free_log:
+ kfree(data->log);
+err_free_data:
+ kfree(data);
+ return err;
+}
+
+void nvme_hwmon_exit(struct nvme_ctrl *ctrl)
+{
+ if (ctrl->hwmon_device) {
+ struct nvme_hwmon_data *data =
+ dev_get_drvdata(ctrl->hwmon_device);
+
+ hwmon_device_unregister(ctrl->hwmon_device);
+ ctrl->hwmon_device = NULL;
+ kfree(data->log);
+ kfree(data);
+ }
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 58cf9e39d613..abae7ef2ac51 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -257,6 +257,9 @@ struct nvme_ctrl {
struct rw_semaphore namespaces_rwsem;
struct device ctrl_device;
struct device *device; /* char device */
+#ifdef CONFIG_NVME_HWMON
+ struct device *hwmon_device;
+#endif
struct cdev cdev;
struct work_struct reset_work;
struct work_struct delete_work;
@@ -876,11 +879,16 @@ static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
#ifdef CONFIG_NVME_HWMON
int nvme_hwmon_init(struct nvme_ctrl *ctrl);
+void nvme_hwmon_exit(struct nvme_ctrl *ctrl);
#else
static inline int nvme_hwmon_init(struct nvme_ctrl *ctrl)
{
return 0;
}
+
+static inline void nvme_hwmon_exit(struct nvme_ctrl *ctrl)
+{
+}
#endif
u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
diff --git a/drivers/xen/gntdev-common.h b/drivers/xen/gntdev-common.h
index 40ef379c28ab..9c286b2a1900 100644
--- a/drivers/xen/gntdev-common.h
+++ b/drivers/xen/gntdev-common.h
@@ -44,9 +44,10 @@ struct gntdev_unmap_notify {
};
struct gntdev_grant_map {
+ atomic_t in_use;
struct mmu_interval_notifier notifier;
+ bool notifier_init;
struct list_head next;
- struct vm_area_struct *vma;
int index;
int count;
int flags;
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 54fee4087bf1..ff195b571763 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -276,6 +276,9 @@ void gntdev_put_map(struct gntdev_priv *priv, struct gntdev_grant_map *map)
*/
}
+ if (use_ptemod && map->notifier_init)
+ mmu_interval_notifier_remove(&map->notifier);
+
if (map->notify.flags & UNMAP_NOTIFY_SEND_EVENT) {
notify_remote_via_evtchn(map->notify.event);
evtchn_put(map->notify.event);
@@ -288,21 +291,14 @@ void gntdev_put_map(struct gntdev_priv *priv, struct gntdev_grant_map *map)
static int find_grant_ptes(pte_t *pte, unsigned long addr, void *data)
{
struct gntdev_grant_map *map = data;
- unsigned int pgnr = (addr - map->vma->vm_start) >> PAGE_SHIFT;
- int flags = map->flags | GNTMAP_application_map | GNTMAP_contains_pte;
+ unsigned int pgnr = (addr - map->pages_vm_start) >> PAGE_SHIFT;
+ int flags = map->flags | GNTMAP_application_map | GNTMAP_contains_pte |
+ (1 << _GNTMAP_guest_avail0);
u64 pte_maddr;
BUG_ON(pgnr >= map->count);
pte_maddr = arbitrary_virt_to_machine(pte).maddr;
- /*
- * Set the PTE as special to force get_user_pages_fast() fall
- * back to the slow path. If this is not supported as part of
- * the grant map, it will be done afterwards.
- */
- if (xen_feature(XENFEAT_gnttab_map_avail_bits))
- flags |= (1 << _GNTMAP_guest_avail0);
-
gnttab_set_map_op(&map->map_ops[pgnr], pte_maddr, flags,
map->grants[pgnr].ref,
map->grants[pgnr].domid);
@@ -311,14 +307,6 @@ static int find_grant_ptes(pte_t *pte, unsigned long addr, void *data)
return 0;
}
-#ifdef CONFIG_X86
-static int set_grant_ptes_as_special(pte_t *pte, unsigned long addr, void *data)
-{
- set_pte_at(current->mm, addr, pte, pte_mkspecial(*pte));
- return 0;
-}
-#endif
-
int gntdev_map_grant_pages(struct gntdev_grant_map *map)
{
size_t alloced = 0;
@@ -493,11 +481,7 @@ static void gntdev_vma_close(struct vm_area_struct *vma)
struct gntdev_priv *priv = file->private_data;
pr_debug("gntdev_vma_close %p\n", vma);
- if (use_ptemod) {
- WARN_ON(map->vma != vma);
- mmu_interval_notifier_remove(&map->notifier);
- map->vma = NULL;
- }
+
vma->vm_private_data = NULL;
gntdev_put_map(priv, map);
}
@@ -525,29 +509,30 @@ static bool gntdev_invalidate(struct mmu_interval_notifier *mn,
struct gntdev_grant_map *map =
container_of(mn, struct gntdev_grant_map, notifier);
unsigned long mstart, mend;
+ unsigned long map_start, map_end;
if (!mmu_notifier_range_blockable(range))
return false;
+ map_start = map->pages_vm_start;
+ map_end = map->pages_vm_start + (map->count << PAGE_SHIFT);
+
/*
* If the VMA is split or otherwise changed the notifier is not
* updated, but we don't want to process VA's outside the modified
* VMA. FIXME: It would be much more understandable to just prevent
* modifying the VMA in the first place.
*/
- if (map->vma->vm_start >= range->end ||
- map->vma->vm_end <= range->start)
+ if (map_start >= range->end || map_end <= range->start)
return true;
- mstart = max(range->start, map->vma->vm_start);
- mend = min(range->end, map->vma->vm_end);
+ mstart = max(range->start, map_start);
+ mend = min(range->end, map_end);
pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n",
- map->index, map->count,
- map->vma->vm_start, map->vma->vm_end,
- range->start, range->end, mstart, mend);
- unmap_grant_pages(map,
- (mstart - map->vma->vm_start) >> PAGE_SHIFT,
- (mend - mstart) >> PAGE_SHIFT);
+ map->index, map->count, map_start, map_end,
+ range->start, range->end, mstart, mend);
+ unmap_grant_pages(map, (mstart - map_start) >> PAGE_SHIFT,
+ (mend - mstart) >> PAGE_SHIFT);
return true;
}
@@ -1027,18 +1012,15 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
return -EINVAL;
pr_debug("map %d+%d at %lx (pgoff %lx)\n",
- index, count, vma->vm_start, vma->vm_pgoff);
+ index, count, vma->vm_start, vma->vm_pgoff);
mutex_lock(&priv->lock);
map = gntdev_find_map_index(priv, index, count);
if (!map)
goto unlock_out;
- if (use_ptemod && map->vma)
+ if (!atomic_add_unless(&map->in_use, 1, 1))
goto unlock_out;
- if (atomic_read(&map->live_grants)) {
- err = -EAGAIN;
- goto unlock_out;
- }
+
refcount_inc(&map->users);
vma->vm_ops = &gntdev_vmops;
@@ -1059,15 +1041,16 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
map->flags |= GNTMAP_readonly;
}
+ map->pages_vm_start = vma->vm_start;
+
if (use_ptemod) {
- map->vma = vma;
err = mmu_interval_notifier_insert_locked(
&map->notifier, vma->vm_mm, vma->vm_start,
vma->vm_end - vma->vm_start, &gntdev_mmu_ops);
- if (err) {
- map->vma = NULL;
+ if (err)
goto out_unlock_put;
- }
+
+ map->notifier_init = true;
}
mutex_unlock(&priv->lock);
@@ -1084,7 +1067,6 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
*/
mmu_interval_read_begin(&map->notifier);
- map->pages_vm_start = vma->vm_start;
err = apply_to_page_range(vma->vm_mm, vma->vm_start,
vma->vm_end - vma->vm_start,
find_grant_ptes, map);
@@ -1102,23 +1084,6 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
err = vm_map_pages_zero(vma, map->pages, map->count);
if (err)
goto out_put_map;
- } else {
-#ifdef CONFIG_X86
- /*
- * If the PTEs were not made special by the grant map
- * hypercall, do so here.
- *
- * This is racy since the mapping is already visible
- * to userspace but userspace should be well-behaved
- * enough to not touch it until the mmap() call
- * returns.
- */
- if (!xen_feature(XENFEAT_gnttab_map_avail_bits)) {
- apply_to_page_range(vma->vm_mm, vma->vm_start,
- vma->vm_end - vma->vm_start,
- set_grant_ptes_as_special, NULL);
- }
-#endif
}
return 0;
@@ -1130,13 +1095,8 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
out_unlock_put:
mutex_unlock(&priv->lock);
out_put_map:
- if (use_ptemod) {
+ if (use_ptemod)
unmap_grant_pages(map, 0, map->count);
- if (map->vma) {
- mmu_interval_notifier_remove(&map->notifier);
- map->vma = NULL;
- }
- }
gntdev_put_map(priv, map);
return err;
}
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index baff31a147e7..92cb16c0e5ee 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -137,6 +137,7 @@ struct share_check {
u64 root_objectid;
u64 inum;
int share_count;
+ bool have_delayed_delete_refs;
};
static inline int extent_is_shared(struct share_check *sc)
@@ -817,16 +818,11 @@ static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
struct preftrees *preftrees, struct share_check *sc)
{
struct btrfs_delayed_ref_node *node;
- struct btrfs_delayed_extent_op *extent_op = head->extent_op;
struct btrfs_key key;
- struct btrfs_key tmp_op_key;
struct rb_node *n;
int count;
int ret = 0;
- if (extent_op && extent_op->update_key)
- btrfs_disk_key_to_cpu(&tmp_op_key, &extent_op->key);
-
spin_lock(&head->lock);
for (n = rb_first_cached(&head->ref_tree); n; n = rb_next(n)) {
node = rb_entry(n, struct btrfs_delayed_ref_node,
@@ -852,10 +848,16 @@ static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
case BTRFS_TREE_BLOCK_REF_KEY: {
/* NORMAL INDIRECT METADATA backref */
struct btrfs_delayed_tree_ref *ref;
+ struct btrfs_key *key_ptr = NULL;
+
+ if (head->extent_op && head->extent_op->update_key) {
+ btrfs_disk_key_to_cpu(&key, &head->extent_op->key);
+ key_ptr = &key;
+ }
ref = btrfs_delayed_node_to_tree_ref(node);
ret = add_indirect_ref(fs_info, preftrees, ref->root,
- &tmp_op_key, ref->level + 1,
+ key_ptr, ref->level + 1,
node->bytenr, count, sc,
GFP_ATOMIC);
break;
@@ -881,13 +883,22 @@ static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
key.offset = ref->offset;
/*
- * Found a inum that doesn't match our known inum, we
- * know it's shared.
+ * If we have a share check context and a reference for
+ * another inode, we can't exit immediately. This is
+ * because even if this is a BTRFS_ADD_DELAYED_REF
+ * reference we may find next a BTRFS_DROP_DELAYED_REF
+ * which cancels out this ADD reference.
+ *
+ * If this is a DROP reference and there was no previous
+ * ADD reference, then we need to signal that when we
+ * process references from the extent tree (through
+ * add_inline_refs() and add_keyed_refs()), we should
+ * not exit early if we find a reference for another
+ * inode, because one of the delayed DROP references
+ * may cancel that reference in the extent tree.
*/
- if (sc && sc->inum && ref->objectid != sc->inum) {
- ret = BACKREF_FOUND_SHARED;
- goto out;
- }
+ if (sc && count < 0)
+ sc->have_delayed_delete_refs = true;
ret = add_indirect_ref(fs_info, preftrees, ref->root,
&key, 0, node->bytenr, count, sc,
@@ -917,7 +928,7 @@ static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
}
if (!ret)
ret = extent_is_shared(sc);
-out:
+
spin_unlock(&head->lock);
return ret;
}
@@ -1020,7 +1031,8 @@ static int add_inline_refs(const struct btrfs_fs_info *fs_info,
key.type = BTRFS_EXTENT_DATA_KEY;
key.offset = btrfs_extent_data_ref_offset(leaf, dref);
- if (sc && sc->inum && key.objectid != sc->inum) {
+ if (sc && sc->inum && key.objectid != sc->inum &&
+ !sc->have_delayed_delete_refs) {
ret = BACKREF_FOUND_SHARED;
break;
}
@@ -1030,6 +1042,7 @@ static int add_inline_refs(const struct btrfs_fs_info *fs_info,
ret = add_indirect_ref(fs_info, preftrees, root,
&key, 0, bytenr, count,
sc, GFP_NOFS);
+
break;
}
default:
@@ -1119,7 +1132,8 @@ static int add_keyed_refs(struct btrfs_fs_info *fs_info,
key.type = BTRFS_EXTENT_DATA_KEY;
key.offset = btrfs_extent_data_ref_offset(leaf, dref);
- if (sc && sc->inum && key.objectid != sc->inum) {
+ if (sc && sc->inum && key.objectid != sc->inum &&
+ !sc->have_delayed_delete_refs) {
ret = BACKREF_FOUND_SHARED;
break;
}
@@ -1542,6 +1556,7 @@ int btrfs_check_shared(struct btrfs_root *root, u64 inum, u64 bytenr,
.root_objectid = root->root_key.objectid,
.inum = inum,
.share_count = 0,
+ .have_delayed_delete_refs = false,
};
ulist_init(roots);
@@ -1576,6 +1591,7 @@ int btrfs_check_shared(struct btrfs_root *root, u64 inum, u64 bytenr,
break;
bytenr = node->val;
shared.share_count = 0;
+ shared.have_delayed_delete_refs = false;
cond_resched();
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index bc957e6ca48b..f442ef8b65da 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1221,8 +1221,11 @@ static ssize_t cifs_copy_file_range(struct file *src_file, loff_t off,
ssize_t rc;
struct cifsFileInfo *cfile = dst_file->private_data;
- if (cfile->swapfile)
- return -EOPNOTSUPP;
+ if (cfile->swapfile) {
+ rc = -EOPNOTSUPP;
+ free_xid(xid);
+ return rc;
+ }
rc = cifs_file_copychunk_range(xid, src_file, off, dst_file, destoff,
len, flags);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index a648146e49cf..144064dc0d38 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1735,11 +1735,13 @@ int cifs_flock(struct file *file, int cmd, struct file_lock *fl)
struct cifsFileInfo *cfile;
__u32 type;
- rc = -EACCES;
xid = get_xid();
- if (!(fl->fl_flags & FL_FLOCK))
- return -ENOLCK;
+ if (!(fl->fl_flags & FL_FLOCK)) {
+ rc = -ENOLCK;
+ free_xid(xid);
+ return rc;
+ }
cfile = (struct cifsFileInfo *)file->private_data;
tcon = tlink_tcon(cfile->tlink);
@@ -1758,8 +1760,9 @@ int cifs_flock(struct file *file, int cmd, struct file_lock *fl)
* if no lock or unlock then nothing to do since we do not
* know what it is
*/
+ rc = -EOPNOTSUPP;
free_xid(xid);
- return -EOPNOTSUPP;
+ return rc;
}
rc = cifs_setlk(file, fl, type, wait_flag, posix_lck, lock, unlock,
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index d58c5ffeca0d..cf6fd138d8d5 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -306,6 +306,7 @@ cifs_ses_add_channel(struct cifs_ses *ses, struct cifs_server_iface *iface)
cifs_put_tcp_session(chan->server, 0);
unload_nls(vol.local_nls);
+ free_xid(xid);
return rc;
}
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 71b43538fa44..fcf34f83bf6a 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -148,12 +148,17 @@ void f_delown(struct file *filp)
pid_t f_getown(struct file *filp)
{
- pid_t pid;
- read_lock(&filp->f_owner.lock);
- pid = pid_vnr(filp->f_owner.pid);
- if (filp->f_owner.pid_type == PIDTYPE_PGID)
- pid = -pid;
- read_unlock(&filp->f_owner.lock);
+ pid_t pid = 0;
+
+ read_lock_irq(&filp->f_owner.lock);
+ rcu_read_lock();
+ if (pid_task(filp->f_owner.pid, filp->f_owner.pid_type)) {
+ pid = pid_vnr(filp->f_owner.pid);
+ if (filp->f_owner.pid_type == PIDTYPE_PGID)
+ pid = -pid;
+ }
+ rcu_read_unlock();
+ read_unlock_irq(&filp->f_owner.lock);
return pid;
}
@@ -200,11 +205,14 @@ static int f_setown_ex(struct file *filp, unsigned long arg)
static int f_getown_ex(struct file *filp, unsigned long arg)
{
struct f_owner_ex __user *owner_p = (void __user *)arg;
- struct f_owner_ex owner;
+ struct f_owner_ex owner = {};
int ret = 0;
- read_lock(&filp->f_owner.lock);
- owner.pid = pid_vnr(filp->f_owner.pid);
+ read_lock_irq(&filp->f_owner.lock);
+ rcu_read_lock();
+ if (pid_task(filp->f_owner.pid, filp->f_owner.pid_type))
+ owner.pid = pid_vnr(filp->f_owner.pid);
+ rcu_read_unlock();
switch (filp->f_owner.pid_type) {
case PIDTYPE_PID:
owner.type = F_OWNER_TID;
@@ -223,7 +231,7 @@ static int f_getown_ex(struct file *filp, unsigned long arg)
ret = -EINVAL;
break;
}
- read_unlock(&filp->f_owner.lock);
+ read_unlock_irq(&filp->f_owner.lock);
if (!ret) {
ret = copy_to_user(owner_p, &owner, sizeof(owner));
@@ -241,10 +249,10 @@ static int f_getowner_uids(struct file *filp, unsigned long arg)
uid_t src[2];
int err;
- read_lock(&filp->f_owner.lock);
+ read_lock_irq(&filp->f_owner.lock);
src[0] = from_kuid(user_ns, filp->f_owner.uid);
src[1] = from_kuid(user_ns, filp->f_owner.euid);
- read_unlock(&filp->f_owner.lock);
+ read_unlock_irq(&filp->f_owner.lock);
err = put_user(src[0], &dst[0]);
err |= put_user(src[1], &dst[1]);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index c46bf7f581a1..856474b0a1ae 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -231,6 +231,7 @@ static int ocfs2_mknod(struct inode *dir,
handle_t *handle = NULL;
struct ocfs2_super *osb;
struct ocfs2_dinode *dirfe;
+ struct ocfs2_dinode *fe = NULL;
struct buffer_head *new_fe_bh = NULL;
struct inode *inode = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
@@ -381,6 +382,7 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
}
+ fe = (struct ocfs2_dinode *) new_fe_bh->b_data;
if (S_ISDIR(mode)) {
status = ocfs2_fill_new_dir(osb, handle, dir, inode,
new_fe_bh, data_ac, meta_ac);
@@ -453,8 +455,11 @@ static int ocfs2_mknod(struct inode *dir,
leave:
if (status < 0 && did_quota_inode)
dquot_free_inode(inode);
- if (handle)
+ if (handle) {
+ if (status < 0 && fe)
+ ocfs2_set_links_count(fe, 0);
ocfs2_commit_trans(osb, handle);
+ }
ocfs2_inode_unlock(dir, 1);
if (did_block_signals)
@@ -631,18 +636,9 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
return status;
}
- status = __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
+ return __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
parent_fe_bh, handle, inode_ac,
fe_blkno, suballoc_loc, suballoc_bit);
- if (status < 0) {
- u64 bg_blkno = ocfs2_which_suballoc_group(fe_blkno, suballoc_bit);
- int tmp = ocfs2_free_suballoc_bits(handle, inode_ac->ac_inode,
- inode_ac->ac_bh, suballoc_bit, bg_blkno, 1);
- if (tmp)
- mlog_errno(tmp);
- }
-
- return status;
}
static int ocfs2_mkdir(struct inode *dir,
@@ -2023,8 +2019,11 @@ static int ocfs2_symlink(struct inode *dir,
ocfs2_clusters_to_bytes(osb->sb, 1));
if (status < 0 && did_quota_inode)
dquot_free_inode(inode);
- if (handle)
+ if (handle) {
+ if (status < 0 && fe)
+ ocfs2_set_links_count(fe, 0);
ocfs2_commit_trans(osb, handle);
+ }
ocfs2_inode_unlock(dir, 1);
if (did_block_signals)
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index ef18f0d71b11..8b75a04836b6 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -951,7 +951,7 @@ static int show_smaps_rollup(struct seq_file *m, void *v)
vma = vma->vm_next;
}
- show_vma_header_prefix(m, priv->mm->mmap->vm_start,
+ show_vma_header_prefix(m, priv->mm->mmap ? priv->mm->mmap->vm_start : 0,
last_vma_end, 0, 0, 0, 0);
seq_pad(m, ' ');
seq_puts(m, "[rollup]\n");
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 896e563e2c18..9cb0a3d7874f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -911,6 +911,8 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
struct kvm_enable_cap *cap);
long kvm_arch_vm_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
+long kvm_arch_vm_compat_ioctl(struct file *filp, unsigned int ioctl,
+ unsigned long arg);
int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 42df06c6b19c..ef870d1f4f5f 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -270,6 +270,7 @@ struct mmc_card {
#define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */
#define MMC_QUIRK_TRIM_BROKEN (1<<12) /* Skip trim */
#define MMC_QUIRK_BROKEN_HPI (1<<13) /* Disable broken HPI support */
+#define MMC_QUIRK_BROKEN_SD_DISCARD (1<<14) /* Disable broken SD discard support */
bool reenable_cmdq; /* Re-enable Command Queue */
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index bed2387af456..e7e8c318925d 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1178,7 +1178,6 @@ static inline void __qdisc_reset_queue(struct qdisc_skb_head *qh)
static inline void qdisc_reset_queue(struct Qdisc *sch)
{
__qdisc_reset_queue(&sch->q);
- sch->qstats.backlog = 0;
}
static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,
diff --git a/include/net/sock_reuseport.h b/include/net/sock_reuseport.h
index 505f1e18e9bf..3eac185ae2e8 100644
--- a/include/net/sock_reuseport.h
+++ b/include/net/sock_reuseport.h
@@ -38,21 +38,20 @@ extern struct sock *reuseport_select_sock(struct sock *sk,
extern int reuseport_attach_prog(struct sock *sk, struct bpf_prog *prog);
extern int reuseport_detach_prog(struct sock *sk);
-static inline bool reuseport_has_conns(struct sock *sk, bool set)
+static inline bool reuseport_has_conns(struct sock *sk)
{
struct sock_reuseport *reuse;
bool ret = false;
rcu_read_lock();
reuse = rcu_dereference(sk->sk_reuseport_cb);
- if (reuse) {
- if (set)
- reuse->has_conns = 1;
- ret = reuse->has_conns;
- }
+ if (reuse && reuse->has_conns)
+ ret = true;
rcu_read_unlock();
return ret;
}
+void reuseport_has_conns_set(struct sock *sk);
+
#endif /* _SOCK_REUSEPORT_H */
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a5245362ce7a..b7cb9147f0c5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6008,12 +6008,12 @@ int tracing_set_tracer(struct trace_array *tr, const char *buf)
if (tr->current_trace->reset)
tr->current_trace->reset(tr);
+#ifdef CONFIG_TRACER_MAX_TRACE
+ had_max_tr = tr->current_trace->use_max_tr;
+
/* Current trace needs to be nop_trace before synchronize_rcu */
tr->current_trace = &nop_trace;
-#ifdef CONFIG_TRACER_MAX_TRACE
- had_max_tr = tr->allocated_snapshot;
-
if (had_max_tr && !t->use_max_tr) {
/*
* We need to make sure that the update_max_tr sees that
@@ -6025,14 +6025,14 @@ int tracing_set_tracer(struct trace_array *tr, const char *buf)
synchronize_rcu();
free_snapshot(tr);
}
-#endif
-#ifdef CONFIG_TRACER_MAX_TRACE
- if (t->use_max_tr && !had_max_tr) {
+ if (t->use_max_tr && !tr->allocated_snapshot) {
ret = tracing_alloc_snapshot_instance(tr);
if (ret < 0)
goto out;
}
+#else
+ tr->current_trace = &nop_trace;
#endif
if (t->init) {
diff --git a/net/atm/mpoa_proc.c b/net/atm/mpoa_proc.c
index 829db9eba0cb..aaf64b953915 100644
--- a/net/atm/mpoa_proc.c
+++ b/net/atm/mpoa_proc.c
@@ -219,11 +219,12 @@ static ssize_t proc_mpc_write(struct file *file, const char __user *buff,
if (!page)
return -ENOMEM;
- for (p = page, len = 0; len < nbytes; p++, len++) {
+ for (p = page, len = 0; len < nbytes; p++) {
if (get_user(*p, buff++)) {
free_page((unsigned long)page);
return -EFAULT;
}
+ len += 1;
if (*p == '\0' || *p == '\n')
break;
}
diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index b065f0a103ed..49f9c2c4ffd5 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -18,6 +18,22 @@ DEFINE_SPINLOCK(reuseport_lock);
static DEFINE_IDA(reuseport_ida);
+void reuseport_has_conns_set(struct sock *sk)
+{
+ struct sock_reuseport *reuse;
+
+ if (!rcu_access_pointer(sk->sk_reuseport_cb))
+ return;
+
+ spin_lock_bh(&reuseport_lock);
+ reuse = rcu_dereference_protected(sk->sk_reuseport_cb,
+ lockdep_is_held(&reuseport_lock));
+ if (likely(reuse))
+ reuse->has_conns = 1;
+ spin_unlock_bh(&reuseport_lock);
+}
+EXPORT_SYMBOL(reuseport_has_conns_set);
+
static struct sock_reuseport *__reuseport_alloc(unsigned int max_socks)
{
unsigned int size = sizeof(struct sock_reuseport) +
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index baf4765be6d7..908324b46328 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -108,15 +108,15 @@ struct sk_buff *hsr_get_untagged_frame(struct hsr_frame_info *frame,
struct hsr_port *port)
{
if (!frame->skb_std) {
- if (frame->skb_hsr) {
+ if (frame->skb_hsr)
frame->skb_std =
create_stripped_skb_hsr(frame->skb_hsr, frame);
- } else {
- /* Unexpected */
- WARN_ONCE(1, "%s:%d: Unexpected frame received (port_src %s)\n",
- __FILE__, __LINE__, port->dev->name);
+ else
+ netdev_warn_once(port->dev,
+ "Unexpected frame received in hsr_get_untagged_frame()\n");
+
+ if (!frame->skb_std)
return NULL;
- }
}
return skb_clone(frame->skb_std, GFP_ATOMIC);
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 4a8550c49202..112c6e892d30 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -70,7 +70,7 @@ int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len
}
inet->inet_daddr = fl4->daddr;
inet->inet_dport = usin->sin_port;
- reuseport_has_conns(sk, true);
+ reuseport_has_conns_set(sk);
sk->sk_state = TCP_ESTABLISHED;
sk_set_txhash(sk);
inet->inet_id = prandom_u32();
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 4446aa8237ff..b093daaa3deb 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -446,7 +446,7 @@ static struct sock *udp4_lib_lookup2(struct net *net,
result = lookup_reuseport(net, sk, skb,
saddr, sport, daddr, hnum);
/* Fall back to scoring if group has connections */
- if (result && !reuseport_has_conns(sk, false))
+ if (result && !reuseport_has_conns(sk))
return result;
result = result ? : sk;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 206f66310a88..f4559e5bc84b 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -256,7 +256,7 @@ int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr,
goto out;
}
- reuseport_has_conns(sk, true);
+ reuseport_has_conns_set(sk);
sk->sk_state = TCP_ESTABLISHED;
sk_set_txhash(sk);
out:
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 9b504bf49214..514e6a55959f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -179,7 +179,7 @@ static struct sock *udp6_lib_lookup2(struct net *net,
result = lookup_reuseport(net, sk, skb,
saddr, sport, daddr, hnum);
/* Fall back to scoring if group has connections */
- if (result && !reuseport_has_conns(sk, false))
+ if (result && !reuseport_has_conns(sk))
return result;
result = result ? : sk;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 6e18aa417782..d8ffe4114385 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1081,12 +1081,13 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
skip:
if (!ingress) {
- notify_and_destroy(net, skb, n, classid,
- rtnl_dereference(dev->qdisc), new);
+ old = rtnl_dereference(dev->qdisc);
if (new && !new->ops->attach)
qdisc_refcount_inc(new);
rcu_assign_pointer(dev->qdisc, new ? : &noop_qdisc);
+ notify_and_destroy(net, skb, n, classid, old, new);
+
if (new && new->ops->attach)
new->ops->attach(new);
} else {
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 1c281cc81f57..794c7377cd7e 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -575,7 +575,6 @@ static void atm_tc_reset(struct Qdisc *sch)
pr_debug("atm_tc_reset(sch %p,[qdisc %p])\n", sch, p);
list_for_each_entry(flow, &p->flows, list)
qdisc_reset(flow->q);
- sch->q.qlen = 0;
}
static void atm_tc_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index c580139fcede..5dc7a3c310c9 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -2224,8 +2224,12 @@ static struct sk_buff *cake_dequeue(struct Qdisc *sch)
static void cake_reset(struct Qdisc *sch)
{
+ struct cake_sched_data *q = qdisc_priv(sch);
u32 c;
+ if (!q->tins)
+ return;
+
for (c = 0; c < CAKE_MAX_TINS; c++)
cake_clear_tin(sch, c);
}
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 4a78fcf5d4f9..9a3dff02b7a2 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1053,7 +1053,6 @@ cbq_reset(struct Qdisc *sch)
cl->cpriority = cl->priority;
}
}
- sch->q.qlen = 0;
}
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 2adbd945bf15..25d2daaa8122 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -315,8 +315,6 @@ static void choke_reset(struct Qdisc *sch)
rtnl_qdisc_drop(skb, sch);
}
- sch->q.qlen = 0;
- sch->qstats.backlog = 0;
if (q->tab)
memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *));
q->head = q->tail = 0;
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index dde564670ad8..08424aac6da8 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -443,8 +443,6 @@ static void drr_reset_qdisc(struct Qdisc *sch)
qdisc_reset(cl->qdisc);
}
}
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static void drr_destroy_qdisc(struct Qdisc *sch)
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 76ed1a05ded2..a75bc7f80cd7 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -408,8 +408,6 @@ static void dsmark_reset(struct Qdisc *sch)
pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
if (p->q)
qdisc_reset(p->q);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static void dsmark_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_etf.c b/net/sched/sch_etf.c
index c48f91075b5c..d96103b0e2bf 100644
--- a/net/sched/sch_etf.c
+++ b/net/sched/sch_etf.c
@@ -445,9 +445,6 @@ static void etf_reset(struct Qdisc *sch)
timesortedlist_clear(sch);
__qdisc_reset_queue(&sch->q);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
-
q->last = 0;
}
diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c
index 9c224872ef03..05817c55692f 100644
--- a/net/sched/sch_ets.c
+++ b/net/sched/sch_ets.c
@@ -722,8 +722,6 @@ static void ets_qdisc_reset(struct Qdisc *sch)
}
for (band = 0; band < q->nbands; band++)
qdisc_reset(q->classes[band].qdisc);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static void ets_qdisc_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 99e8db262198..01d6eea5b0ce 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -347,8 +347,6 @@ static void fq_codel_reset(struct Qdisc *sch)
codel_vars_init(&flow->cvars);
}
memset(q->backlogs, 0, q->flows_cnt * sizeof(u32));
- sch->q.qlen = 0;
- sch->qstats.backlog = 0;
q->memory_usage = 0;
}
diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index c70802785518..cf04f70e96bf 100644
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -521,9 +521,6 @@ static void fq_pie_reset(struct Qdisc *sch)
INIT_LIST_HEAD(&flow->flowchain);
pie_vars_init(&flow->vars);
}
-
- sch->q.qlen = 0;
- sch->qstats.backlog = 0;
}
static void fq_pie_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index d1902fca9844..cdc43a06aa9b 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1484,8 +1484,6 @@ hfsc_reset_qdisc(struct Qdisc *sch)
}
q->eligible = RB_ROOT;
qdisc_watchdog_cancel(&q->watchdog);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static void
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index cd70dbcbd72f..c3ba018fd083 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -966,8 +966,6 @@ static void htb_reset(struct Qdisc *sch)
}
qdisc_watchdog_cancel(&q->watchdog);
__qdisc_reset_queue(&q->direct_queue);
- sch->q.qlen = 0;
- sch->qstats.backlog = 0;
memset(q->hlevel, 0, sizeof(q->hlevel));
memset(q->row_mask, 0, sizeof(q->row_mask));
}
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 5c27b4270b90..1c6dbcfa89b8 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -152,7 +152,6 @@ multiq_reset(struct Qdisc *sch)
for (band = 0; band < q->bands; band++)
qdisc_reset(q->queues[band]);
- sch->q.qlen = 0;
q->curband = 0;
}
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 3eabb871a1d5..1c805fe05b82 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -135,8 +135,6 @@ prio_reset(struct Qdisc *sch)
for (prio = 0; prio < q->bands; prio++)
qdisc_reset(q->queues[prio]);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static int prio_offload(struct Qdisc *sch, struct tc_prio_qopt *qopt)
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index af8c63a9ec18..1d1d81aeb389 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1458,8 +1458,6 @@ static void qfq_reset_qdisc(struct Qdisc *sch)
qdisc_reset(cl->qdisc);
}
}
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static void qfq_destroy_qdisc(struct Qdisc *sch)
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 40adf1f07a82..f1e013e3f04a 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -176,8 +176,6 @@ static void red_reset(struct Qdisc *sch)
struct red_sched_data *q = qdisc_priv(sch);
qdisc_reset(q->qdisc);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
red_restart(&q->vars);
}
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index b2724057629f..9ded56228ea1 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -455,9 +455,8 @@ static void sfb_reset(struct Qdisc *sch)
{
struct sfb_sched_data *q = qdisc_priv(sch);
- qdisc_reset(q->qdisc);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
+ if (likely(q->qdisc))
+ qdisc_reset(q->qdisc);
q->slot = 0;
q->double_buffering = false;
sfb_zero_all_buckets(q);
diff --git a/net/sched/sch_skbprio.c b/net/sched/sch_skbprio.c
index 7a5e4c454715..df72fb83d9c7 100644
--- a/net/sched/sch_skbprio.c
+++ b/net/sched/sch_skbprio.c
@@ -213,9 +213,6 @@ static void skbprio_reset(struct Qdisc *sch)
struct skbprio_sched_data *q = qdisc_priv(sch);
int prio;
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
-
for (prio = 0; prio < SKBPRIO_MAX_PRIORITY; prio++)
__skb_queue_purge(&q->qdiscs[prio]);
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index ab8835a72cee..7f33b31c7b8b 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -1626,8 +1626,6 @@ static void taprio_reset(struct Qdisc *sch)
if (q->qdiscs[i])
qdisc_reset(q->qdiscs[i]);
}
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
}
static void taprio_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 6eb17004a9e4..7461e5c67d50 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -316,8 +316,6 @@ static void tbf_reset(struct Qdisc *sch)
struct tbf_sched_data *q = qdisc_priv(sch);
qdisc_reset(q->qdisc);
- sch->qstats.backlog = 0;
- sch->q.qlen = 0;
q->t_c = ktime_get_ns();
q->tokens = q->buffer;
q->ptokens = q->mtu;
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 6af6b95bdb67..79aaab51cbf5 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -124,7 +124,6 @@ teql_reset(struct Qdisc *sch)
struct teql_sched_data *dat = qdisc_priv(sch);
skb_queue_purge(&dat->q);
- sch->q.qlen = 0;
}
static void
diff --git a/net/tipc/discover.c b/net/tipc/discover.c
index 14bc20604051..2ae268b67465 100644
--- a/net/tipc/discover.c
+++ b/net/tipc/discover.c
@@ -147,8 +147,8 @@ static bool tipc_disc_addr_trial_msg(struct tipc_discoverer *d,
{
struct net *net = d->net;
struct tipc_net *tn = tipc_net(net);
- bool trial = time_before(jiffies, tn->addr_trial_end);
u32 self = tipc_own_addr(net);
+ bool trial = time_before(jiffies, tn->addr_trial_end) && !self;
if (mtyp == DSC_TRIAL_FAIL_MSG) {
if (!trial)
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index 13f3143609f9..d9e2c0fea3f2 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -568,7 +568,7 @@ bool tipc_topsrv_kern_subscr(struct net *net, u32 port, u32 type, u32 lower,
sub.seq.upper = upper;
sub.timeout = TIPC_WAIT_FOREVER;
sub.filter = filter;
- *(u32 *)&sub.usr_handle = port;
+ *(u64 *)&sub.usr_handle = (u64)port;
con = tipc_conn_alloc(tipc_topsrv(net));
if (IS_ERR(con))
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 31d631fa846e..3db8bd2158d9 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2011,7 +2011,8 @@ static inline int convert_context_handle_invalid_context(
* in `newc'. Verify that the context is valid
* under the new policy.
*/
-static int convert_context(struct context *oldc, struct context *newc, void *p)
+static int convert_context(struct context *oldc, struct context *newc, void *p,
+ gfp_t gfp_flags)
{
struct convert_context_args *args;
struct ocontext *oc;
@@ -2025,7 +2026,7 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
args = p;
if (oldc->str) {
- s = kstrdup(oldc->str, GFP_KERNEL);
+ s = kstrdup(oldc->str, gfp_flags);
if (!s)
return -ENOMEM;
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index 656d50b09f76..1981c5af13e0 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -325,7 +325,7 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
}
rc = convert->func(context, &dst_convert->context,
- convert->args);
+ convert->args, GFP_ATOMIC);
if (rc) {
context_destroy(&dst->context);
goto out_unlock;
@@ -404,7 +404,7 @@ static int sidtab_convert_tree(union sidtab_entry_inner *edst,
while (i < SIDTAB_LEAF_ENTRIES && *pos < count) {
rc = convert->func(&esrc->ptr_leaf->entries[i].context,
&edst->ptr_leaf->entries[i].context,
- convert->args);
+ convert->args, GFP_KERNEL);
if (rc)
return rc;
(*pos)++;
diff --git a/security/selinux/ss/sidtab.h b/security/selinux/ss/sidtab.h
index 4eff0e49dcb2..9fce0d553fe2 100644
--- a/security/selinux/ss/sidtab.h
+++ b/security/selinux/ss/sidtab.h
@@ -65,7 +65,7 @@ struct sidtab_isid_entry {
};
struct sidtab_convert_params {
- int (*func)(struct context *oldc, struct context *newc, void *args);
+ int (*func)(struct context *oldc, struct context *newc, void *args, gfp_t gfp_flags);
void *args;
struct sidtab *target;
};
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 3a0a7930cd10..c56a4d9c3be9 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -356,6 +356,12 @@ __add_event(struct list_head *list, int *idx,
struct perf_cpu_map *cpus = pmu ? perf_cpu_map__get(pmu->cpus) :
cpu_list ? perf_cpu_map__new(cpu_list) : NULL;
+ if (pmu)
+ perf_pmu__warn_invalid_formats(pmu);
+
+ if (pmu && attr->type == PERF_TYPE_RAW)
+ perf_pmu__warn_invalid_config(pmu, attr->config, name);
+
if (init_attr)
event_attr_init(attr);
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index d41caeb35cf6..ac45da0302a7 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -862,6 +862,23 @@ static struct perf_pmu *pmu_lookup(const char *name)
return pmu;
}
+void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu)
+{
+ struct perf_pmu_format *format;
+
+ /* fake pmu doesn't have format list */
+ if (pmu == &perf_pmu__fake)
+ return;
+
+ list_for_each_entry(format, &pmu->format, list)
+ if (format->value >= PERF_PMU_FORMAT_VALUE_CONFIG_END) {
+ pr_warning("WARNING: '%s' format '%s' requires 'perf_event_attr::config%d'"
+ "which is not supported by this version of perf!\n",
+ pmu->name, format->name, format->value);
+ return;
+ }
+}
+
static struct perf_pmu *pmu_find(const char *name)
{
struct perf_pmu *pmu;
@@ -1716,3 +1733,36 @@ int perf_pmu__caps_parse(struct perf_pmu *pmu)
return nr_caps;
}
+
+void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
+ char *name)
+{
+ struct perf_pmu_format *format;
+ __u64 masks = 0, bits;
+ char buf[100];
+ unsigned int i;
+
+ list_for_each_entry(format, &pmu->format, list) {
+ if (format->value != PERF_PMU_FORMAT_VALUE_CONFIG)
+ continue;
+
+ for_each_set_bit(i, format->bits, PERF_PMU_FORMAT_BITS)
+ masks |= 1ULL << i;
+ }
+
+ /*
+ * Kernel doesn't export any valid format bits.
+ */
+ if (masks == 0)
+ return;
+
+ bits = config & ~masks;
+ if (bits == 0)
+ return;
+
+ bitmap_scnprintf((unsigned long *)&bits, sizeof(bits) * 8, buf, sizeof(buf));
+
+ pr_warning("WARNING: event '%s' not valid (bits %s of config "
+ "'%llx' not supported by kernel)!\n",
+ name ?: "N/A", buf, config);
+}
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index a64e9c9ce731..7d208b850769 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -15,6 +15,7 @@ enum {
PERF_PMU_FORMAT_VALUE_CONFIG,
PERF_PMU_FORMAT_VALUE_CONFIG1,
PERF_PMU_FORMAT_VALUE_CONFIG2,
+ PERF_PMU_FORMAT_VALUE_CONFIG_END,
};
#define PERF_PMU_FORMAT_BITS 64
@@ -120,4 +121,8 @@ int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
int perf_pmu__caps_parse(struct perf_pmu *pmu);
+void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
+ char *name);
+void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu);
+
#endif /* __PMU_H */
diff --git a/tools/perf/util/pmu.l b/tools/perf/util/pmu.l
index a15d9fbd7c0e..58b4926cfaca 100644
--- a/tools/perf/util/pmu.l
+++ b/tools/perf/util/pmu.l
@@ -27,8 +27,6 @@ num_dec [0-9]+
{num_dec} { return value(10); }
config { return PP_CONFIG; }
-config1 { return PP_CONFIG1; }
-config2 { return PP_CONFIG2; }
- { return '-'; }
: { return ':'; }
, { return ','; }
diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y
index bfd7e8509869..283efe059819 100644
--- a/tools/perf/util/pmu.y
+++ b/tools/perf/util/pmu.y
@@ -20,7 +20,7 @@ do { \
%}
-%token PP_CONFIG PP_CONFIG1 PP_CONFIG2
+%token PP_CONFIG
%token PP_VALUE PP_ERROR
%type <num> PP_VALUE
%type <bits> bit_term
@@ -47,18 +47,11 @@ PP_CONFIG ':' bits
$3));
}
|
-PP_CONFIG1 ':' bits
+PP_CONFIG PP_VALUE ':' bits
{
ABORT_ON(perf_pmu__new_format(format, name,
- PERF_PMU_FORMAT_VALUE_CONFIG1,
- $3));
-}
-|
-PP_CONFIG2 ':' bits
-{
- ABORT_ON(perf_pmu__new_format(format, name,
- PERF_PMU_FORMAT_VALUE_CONFIG2,
- $3));
+ $2,
+ $4));
}
bits:
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index c4cce817a452..564d5c145fbe 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3966,6 +3966,12 @@ struct compat_kvm_clear_dirty_log {
};
};
+long __weak kvm_arch_vm_compat_ioctl(struct file *filp, unsigned int ioctl,
+ unsigned long arg)
+{
+ return -ENOTTY;
+}
+
static long kvm_vm_compat_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
@@ -3974,6 +3980,11 @@ static long kvm_vm_compat_ioctl(struct file *filp,
if (kvm->mm != current->mm || kvm->vm_bugged)
return -EIO;
+
+ r = kvm_arch_vm_compat_ioctl(filp, ioctl, arg);
+ if (r != -ENOTTY)
+ return r;
+
switch (ioctl) {
#ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
case KVM_CLEAR_DIRTY_LOG: {
