x86: Fix various typos in comments
Fix ~144 single-word typos in arch/x86/ code comments. Doing this in a single commit should reduce the churn. Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Ingo Molnar
parent
14ff3ed86e
commit
d9f6e12fb0
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@ -114,11 +114,11 @@ static inline void fadd(u64 *out, const u64 *f1, const u64 *f2)
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);
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}
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/* Computes the field substraction of two field elements */
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/* Computes the field subtraction of two field elements */
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static inline void fsub(u64 *out, const u64 *f1, const u64 *f2)
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{
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asm volatile(
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/* Compute the raw substraction of f1-f2 */
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/* Compute the raw subtraction of f1-f2 */
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" movq 0(%1), %%r8;"
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" subq 0(%2), %%r8;"
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" movq 8(%1), %%r9;"
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@ -135,7 +135,7 @@ static inline void fsub(u64 *out, const u64 *f1, const u64 *f2)
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" mov $38, %%rcx;"
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" cmovc %%rcx, %%rax;"
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/* Step 2: Substract carry*38 from the original difference */
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/* Step 2: Subtract carry*38 from the original difference */
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" sub %%rax, %%r8;"
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" sbb $0, %%r9;"
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" sbb $0, %%r10;"
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@ -117,7 +117,7 @@ static bool is_blacklisted_cpu(void)
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* storing blocks in 64bit registers to allow three blocks to
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* be processed parallel. Parallel operation then allows gaining
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* more performance than was trade off, on out-of-order CPUs.
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* However Atom does not benefit from this parallellism and
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* However Atom does not benefit from this parallelism and
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* should be blacklisted.
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*/
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return true;
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@ -623,7 +623,7 @@ static void amd_pmu_disable_all(void)
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/*
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* Check each counter for overflow and wait for it to be reset by the
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* NMI if it has overflowed. This relies on the fact that all active
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* counters are always enabled when this function is caled and
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* counters are always enabled when this function is called and
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* ARCH_PERFMON_EVENTSEL_INT is always set.
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*/
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for (idx = 0; idx < x86_pmu.num_counters; idx++) {
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@ -17,7 +17,7 @@
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#define IOMMU_PC_DEVID_MATCH_REG 0x20
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#define IOMMU_PC_COUNTER_REPORT_REG 0x28
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/* maximun specified bank/counters */
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/* maximum specified bank/counters */
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#define PC_MAX_SPEC_BNKS 64
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#define PC_MAX_SPEC_CNTRS 16
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@ -765,7 +765,7 @@ struct perf_sched {
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};
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/*
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* Initialize interator that runs through all events and counters.
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* Initialize iterator that runs through all events and counters.
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*/
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static void perf_sched_init(struct perf_sched *sched, struct event_constraint **constraints,
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int num, int wmin, int wmax, int gpmax)
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@ -137,7 +137,7 @@ static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
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FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
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FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
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INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */
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INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */
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INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMPTY */
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INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */
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INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */
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INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
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@ -2186,7 +2186,7 @@ static void intel_pmu_enable_all(int added)
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* magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either
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* in sequence on the same PMC or on different PMCs.
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*
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* In practise it appears some of these events do in fact count, and
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* In practice it appears some of these events do in fact count, and
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* we need to program all 4 events.
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*/
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static void intel_pmu_nhm_workaround(void)
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@ -2435,7 +2435,7 @@ static inline u64 icl_get_metrics_event_value(u64 metric, u64 slots, int idx)
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/*
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* The metric is reported as an 8bit integer fraction
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* suming up to 0xff.
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* summing up to 0xff.
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* slots-in-metric = (Metric / 0xff) * slots
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*/
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val = (metric >> ((idx - INTEL_PMC_IDX_METRIC_BASE) * 8)) & 0xff;
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@ -2824,7 +2824,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status)
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}
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/*
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* Intel Perf mertrics
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* Intel Perf metrics
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*/
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if (__test_and_clear_bit(GLOBAL_STATUS_PERF_METRICS_OVF_BIT, (unsigned long *)&status)) {
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handled++;
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@ -4591,7 +4591,7 @@ static bool check_msr(unsigned long msr, u64 mask)
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/*
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* Disable the check for real HW, so we don't
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* mess with potentionaly enabled registers:
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* mess with potentially enabled registers:
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*/
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if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
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return true;
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@ -4656,7 +4656,7 @@ static __init void intel_arch_events_quirk(void)
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{
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int bit;
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/* disable event that reported as not presend by cpuid */
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/* disable event that reported as not present by cpuid */
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for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) {
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intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0;
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pr_warn("CPUID marked event: \'%s\' unavailable\n",
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@ -1805,7 +1805,7 @@ intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
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*
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* [-period, 0]
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*
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* the difference between two consequtive reads is:
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* the difference between two consecutive reads is:
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*
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* A) value2 - value1;
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* when no overflows have happened in between,
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@ -1198,7 +1198,7 @@ static int branch_type(unsigned long from, unsigned long to, int abort)
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/*
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* The LBR logs any address in the IP, even if the IP just
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* faulted. This means userspace can control the from address.
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* Ensure we don't blindy read any address by validating it is
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* Ensure we don't blindly read any address by validating it is
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* a known text address.
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*/
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if (kernel_text_address(from)) {
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@ -24,7 +24,7 @@ struct p4_event_bind {
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unsigned int escr_msr[2]; /* ESCR MSR for this event */
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unsigned int escr_emask; /* valid ESCR EventMask bits */
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unsigned int shared; /* event is shared across threads */
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char cntr[2][P4_CNTR_LIMIT]; /* counter index (offset), -1 on abscence */
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char cntr[2][P4_CNTR_LIMIT]; /* counter index (offset), -1 on absence */
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};
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struct p4_pebs_bind {
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@ -45,7 +45,7 @@ struct p4_pebs_bind {
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* it's needed for mapping P4_PEBS_CONFIG_METRIC_MASK bits of
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* event configuration to find out which values are to be
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* written into MSR_IA32_PEBS_ENABLE and MSR_P4_PEBS_MATRIX_VERT
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* resgisters
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* registers
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*/
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static struct p4_pebs_bind p4_pebs_bind_map[] = {
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P4_GEN_PEBS_BIND(1stl_cache_load_miss_retired, 0x0000001, 0x0000001),
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@ -362,7 +362,7 @@ static bool pt_event_valid(struct perf_event *event)
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/*
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* Setting bit 0 (TraceEn in RTIT_CTL MSR) in the attr.config
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* clears the assomption that BranchEn must always be enabled,
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* clears the assumption that BranchEn must always be enabled,
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* as was the case with the first implementation of PT.
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* If this bit is not set, the legacy behavior is preserved
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* for compatibility with the older userspace.
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@ -494,7 +494,7 @@ static __init void zhaoxin_arch_events_quirk(void)
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{
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int bit;
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/* disable event that reported as not presend by cpuid */
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/* disable event that reported as not present by cpuid */
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for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(zx_arch_events_map)) {
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zx_pmon_event_map[zx_arch_events_map[bit].id] = 0;
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pr_warn("CPUID marked event: \'%s\' unavailable\n",
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@ -162,7 +162,7 @@ EXPORT_SYMBOL_GPL(hyperv_stop_tsc_emulation);
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static inline bool hv_reenlightenment_available(void)
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{
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/*
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* Check for required features and priviliges to make TSC frequency
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* Check for required features and privileges to make TSC frequency
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* change notifications work.
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*/
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return ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
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@ -292,7 +292,7 @@ static int hv_suspend(void)
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/*
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* Reset the hypercall page as it is going to be invalidated
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* accross hibernation. Setting hv_hypercall_pg to NULL ensures
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* across hibernation. Setting hv_hypercall_pg to NULL ensures
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* that any subsequent hypercall operation fails safely instead of
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* crashing due to an access of an invalid page. The hypercall page
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* pointer is restored on resume.
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@ -22,7 +22,7 @@ extern void __add_wrong_size(void)
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/*
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* Constants for operation sizes. On 32-bit, the 64-bit size it set to
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* -1 because sizeof will never return -1, thereby making those switch
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* case statements guaranteeed dead code which the compiler will
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* case statements guaranteed dead code which the compiler will
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* eliminate, and allowing the "missing symbol in the default case" to
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* indicate a usage error.
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*/
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@ -547,7 +547,7 @@ SYM_CODE_END(spurious_entries_start)
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/*
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* Dummy trap number so the low level ASM macro vector number checks do not
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* match which results in emitting plain IDTENTRY stubs without bells and
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* whistels.
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* whistles.
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*/
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#define X86_TRAP_OTHER 0xFFFF
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@ -38,7 +38,7 @@ enum pconfig_leaf {
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#define MKTME_INVALID_ENC_ALG 4
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#define MKTME_DEVICE_BUSY 5
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/* Hardware requires the structure to be 256 byte alinged. Otherwise #GP(0). */
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/* Hardware requires the structure to be 256 byte aligned. Otherwise #GP(0). */
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struct mktme_key_program {
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u16 keyid;
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u32 keyid_ctrl;
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@ -159,7 +159,7 @@ static inline void *phys_to_virt(phys_addr_t address)
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/*
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* ISA I/O bus memory addresses are 1:1 with the physical address.
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* However, we truncate the address to unsigned int to avoid undesirable
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* promitions in legacy drivers.
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* promotions in legacy drivers.
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*/
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static inline unsigned int isa_virt_to_bus(volatile void *address)
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{
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@ -190,7 +190,7 @@
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/*
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* Macro to invoke __do_softirq on the irq stack. This is only called from
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* task context when bottom halfs are about to be reenabled and soft
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* task context when bottom halves are about to be reenabled and soft
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* interrupts are pending to be processed. The interrupt stack cannot be in
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* use here.
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*/
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@ -1470,7 +1470,7 @@ extern u64 kvm_mce_cap_supported;
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/*
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* EMULTYPE_NO_DECODE - Set when re-emulating an instruction (after completing
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* userspace I/O) to indicate that the emulation context
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* should be resued as is, i.e. skip initialization of
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* should be reused as is, i.e. skip initialization of
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* emulation context, instruction fetch and decode.
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*
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* EMULTYPE_TRAP_UD - Set when emulating an intercepted #UD from hardware.
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@ -1495,7 +1495,7 @@ extern u64 kvm_mce_cap_supported;
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*
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* EMULTYPE_VMWARE_GP - Set when emulating an intercepted #GP for VMware
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* backdoor emulation, which is opt in via module param.
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* VMware backoor emulation handles select instructions
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* VMware backdoor emulation handles select instructions
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* and reinjects the #GP for all other cases.
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*
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* EMULTYPE_PF - Set when emulating MMIO by way of an intercepted #PF, in which
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@ -371,7 +371,7 @@ int paravirt_disable_iospace(void);
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* on the stack. All caller-save registers (eax,edx,ecx) are expected
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* to be modified (either clobbered or used for return values).
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* X86_64, on the other hand, already specifies a register-based calling
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* conventions, returning at %rax, with parameteres going on %rdi, %rsi,
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* conventions, returning at %rax, with parameters going on %rdi, %rsi,
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* %rdx, and %rcx. Note that for this reason, x86_64 does not need any
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* special handling for dealing with 4 arguments, unlike i386.
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* However, x86_64 also have to clobber all caller saved registers, which
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@ -1244,7 +1244,7 @@ static inline p4d_t *user_to_kernel_p4dp(p4d_t *p4dp)
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/*
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* clone_pgd_range(pgd_t *dst, pgd_t *src, int count);
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*
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* dst - pointer to pgd range anwhere on a pgd page
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* dst - pointer to pgd range anywhere on a pgd page
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* src - ""
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* count - the number of pgds to copy.
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*
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@ -527,7 +527,7 @@ struct thread_struct {
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struct io_bitmap *io_bitmap;
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/*
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* IOPL. Priviledge level dependent I/O permission which is
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* IOPL. Privilege level dependent I/O permission which is
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* emulated via the I/O bitmap to prevent user space from disabling
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* interrupts.
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*/
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@ -9,7 +9,7 @@
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* The set_memory_* API can be used to change various attributes of a virtual
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* address range. The attributes include:
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* Cachability : UnCached, WriteCombining, WriteThrough, WriteBack
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* Executability : eXeutable, NoteXecutable
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* Executability : eXecutable, NoteXecutable
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* Read/Write : ReadOnly, ReadWrite
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* Presence : NotPresent
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* Encryption : Encrypted, Decrypted
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@ -10,7 +10,7 @@
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#ifndef _ASM_UV_GEO_H
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#define _ASM_UV_GEO_H
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/* Type declaractions */
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/* Type declarations */
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/* Size of a geoid_s structure (must be before decl. of geoid_u) */
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#define GEOID_SIZE 8
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@ -353,7 +353,7 @@ union uvh_apicid {
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*
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* Note there are NO leds on a UV system. This register is only
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* used by the system controller to monitor system-wide operation.
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* There are 64 regs per node. With Nahelem cpus (2 cores per node,
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* There are 64 regs per node. With Nehalem cpus (2 cores per node,
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* 8 cpus per core, 2 threads per cpu) there are 32 cpu threads on
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* a node.
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*
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@ -234,7 +234,7 @@ struct boot_params {
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* handling of page tables.
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*
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* These enums should only ever be used by x86 code, and the code that uses
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* it should be well contained and compartamentalized.
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* it should be well contained and compartmentalized.
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*
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* KVM and Xen HVM do not have a subarch as these are expected to follow
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* standard x86 boot entries. If there is a genuine need for "hypervisor" type
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@ -252,7 +252,7 @@ struct boot_params {
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* @X86_SUBARCH_XEN: Used for Xen guest types which follow the PV boot path,
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* which start at asm startup_xen() entry point and later jump to the C
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* xen_start_kernel() entry point. Both domU and dom0 type of guests are
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* currently supportd through this PV boot path.
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* currently supported through this PV boot path.
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* @X86_SUBARCH_INTEL_MID: Used for Intel MID (Mobile Internet Device) platform
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* systems which do not have the PCI legacy interfaces.
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* @X86_SUBARCH_CE4100: Used for Intel CE media processor (CE4100) SoC
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@ -12,7 +12,7 @@
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* The msqid64_ds structure for x86 architecture with x32 ABI.
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*
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* On x86-32 and x86-64 we can just use the generic definition, but
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* x32 uses the same binary layout as x86_64, which is differnet
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* x32 uses the same binary layout as x86_64, which is different
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* from other 32-bit architectures.
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*/
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@ -152,7 +152,7 @@ struct sgx_enclave_run {
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* Most exceptions reported on ENCLU, including those that occur within the
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* enclave, are fixed up and reported synchronously instead of being delivered
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* via a standard signal. Debug Exceptions (#DB) and Breakpoints (#BP) are
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* never fixed up and are always delivered via standard signals. On synchrously
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* never fixed up and are always delivered via standard signals. On synchronously
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* reported exceptions, -EFAULT is returned and details about the exception are
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* recorded in @run.exception, the optional sgx_enclave_exception struct.
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*
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@ -9,7 +9,7 @@
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* The shmid64_ds structure for x86 architecture with x32 ABI.
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*
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* On x86-32 and x86-64 we can just use the generic definition, but
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* x32 uses the same binary layout as x86_64, which is differnet
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* x32 uses the same binary layout as x86_64, which is different
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* from other 32-bit architectures.
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*/
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|
|
@ -139,7 +139,7 @@ struct _fpstate_32 {
|
|||
* The 64-bit FPU frame. (FXSAVE format and later)
|
||||
*
|
||||
* Note1: If sw_reserved.magic1 == FP_XSTATE_MAGIC1 then the structure is
|
||||
* larger: 'struct _xstate'. Note that 'struct _xstate' embedds
|
||||
* larger: 'struct _xstate'. Note that 'struct _xstate' embeds
|
||||
* 'struct _fpstate' so that you can always assume the _fpstate portion
|
||||
* exists so that you can check the magic value.
|
||||
*
|
||||
|
|
|
|||
|
|
@ -830,7 +830,7 @@ int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base)
|
|||
EXPORT_SYMBOL(acpi_unregister_ioapic);
|
||||
|
||||
/**
|
||||
* acpi_ioapic_registered - Check whether IOAPIC assoicatied with @gsi_base
|
||||
* acpi_ioapic_registered - Check whether IOAPIC associated with @gsi_base
|
||||
* has been registered
|
||||
* @handle: ACPI handle of the IOAPIC device
|
||||
* @gsi_base: GSI base associated with the IOAPIC
|
||||
|
|
@ -1657,7 +1657,7 @@ static int __init parse_acpi(char *arg)
|
|||
else if (strcmp(arg, "noirq") == 0) {
|
||||
acpi_noirq_set();
|
||||
}
|
||||
/* "acpi=copy_dsdt" copys DSDT */
|
||||
/* "acpi=copy_dsdt" copies DSDT */
|
||||
else if (strcmp(arg, "copy_dsdt") == 0) {
|
||||
acpi_gbl_copy_dsdt_locally = 1;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@ unsigned long acpi_get_wakeup_address(void)
|
|||
* x86_acpi_enter_sleep_state - enter sleep state
|
||||
* @state: Sleep state to enter.
|
||||
*
|
||||
* Wrapper around acpi_enter_sleep_state() to be called by assmebly.
|
||||
* Wrapper around acpi_enter_sleep_state() to be called by assembly.
|
||||
*/
|
||||
asmlinkage acpi_status __visible x86_acpi_enter_sleep_state(u8 state)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -619,7 +619,7 @@ static void setup_APIC_timer(void)
|
|||
|
||||
if (this_cpu_has(X86_FEATURE_ARAT)) {
|
||||
lapic_clockevent.features &= ~CLOCK_EVT_FEAT_C3STOP;
|
||||
/* Make LAPIC timer preferrable over percpu HPET */
|
||||
/* Make LAPIC timer preferable over percpu HPET */
|
||||
lapic_clockevent.rating = 150;
|
||||
}
|
||||
|
||||
|
|
@ -666,7 +666,7 @@ void lapic_update_tsc_freq(void)
|
|||
* In this functions we calibrate APIC bus clocks to the external timer.
|
||||
*
|
||||
* We want to do the calibration only once since we want to have local timer
|
||||
* irqs syncron. CPUs connected by the same APIC bus have the very same bus
|
||||
* irqs synchronous. CPUs connected by the same APIC bus have the very same bus
|
||||
* frequency.
|
||||
*
|
||||
* This was previously done by reading the PIT/HPET and waiting for a wrap
|
||||
|
|
@ -1532,7 +1532,7 @@ static bool apic_check_and_ack(union apic_ir *irr, union apic_ir *isr)
|
|||
* Most probably by now the CPU has serviced that pending interrupt and it
|
||||
* might not have done the ack_APIC_irq() because it thought, interrupt
|
||||
* came from i8259 as ExtInt. LAPIC did not get EOI so it does not clear
|
||||
* the ISR bit and cpu thinks it has already serivced the interrupt. Hence
|
||||
* the ISR bit and cpu thinks it has already serviced the interrupt. Hence
|
||||
* a vector might get locked. It was noticed for timer irq (vector
|
||||
* 0x31). Issue an extra EOI to clear ISR.
|
||||
*
|
||||
|
|
@ -1657,7 +1657,7 @@ static void setup_local_APIC(void)
|
|||
*/
|
||||
/*
|
||||
* Actually disabling the focus CPU check just makes the hang less
|
||||
* frequent as it makes the interrupt distributon model be more
|
||||
* frequent as it makes the interrupt distribution model be more
|
||||
* like LRU than MRU (the short-term load is more even across CPUs).
|
||||
*/
|
||||
|
||||
|
|
@ -1875,7 +1875,7 @@ static __init void try_to_enable_x2apic(int remap_mode)
|
|||
|
||||
/*
|
||||
* Without IR, all CPUs can be addressed by IOAPIC/MSI only
|
||||
* in physical mode, and CPUs with an APIC ID that cannnot
|
||||
* in physical mode, and CPUs with an APIC ID that cannot
|
||||
* be addressed must not be brought online.
|
||||
*/
|
||||
x2apic_set_max_apicid(apic_limit);
|
||||
|
|
|
|||
|
|
@ -928,7 +928,7 @@ static bool mp_check_pin_attr(int irq, struct irq_alloc_info *info)
|
|||
|
||||
/*
|
||||
* setup_IO_APIC_irqs() programs all legacy IRQs with default trigger
|
||||
* and polarity attirbutes. So allow the first user to reprogram the
|
||||
* and polarity attributes. So allow the first user to reprogram the
|
||||
* pin with real trigger and polarity attributes.
|
||||
*/
|
||||
if (irq < nr_legacy_irqs() && data->count == 1) {
|
||||
|
|
@ -994,7 +994,7 @@ static int alloc_isa_irq_from_domain(struct irq_domain *domain,
|
|||
|
||||
/*
|
||||
* Legacy ISA IRQ has already been allocated, just add pin to
|
||||
* the pin list assoicated with this IRQ and program the IOAPIC
|
||||
* the pin list associated with this IRQ and program the IOAPIC
|
||||
* entry. The IOAPIC entry
|
||||
*/
|
||||
if (irq_data && irq_data->parent_data) {
|
||||
|
|
@ -1742,7 +1742,7 @@ static inline void ioapic_finish_move(struct irq_data *data, bool moveit)
|
|||
* with masking the ioapic entry and then polling until
|
||||
* Remote IRR was clear before reprogramming the
|
||||
* ioapic I don't trust the Remote IRR bit to be
|
||||
* completey accurate.
|
||||
* completely accurate.
|
||||
*
|
||||
* However there appears to be no other way to plug
|
||||
* this race, so if the Remote IRR bit is not
|
||||
|
|
@ -1820,7 +1820,7 @@ static void ioapic_ack_level(struct irq_data *irq_data)
|
|||
/*
|
||||
* Tail end of clearing remote IRR bit (either by delivering the EOI
|
||||
* message via io-apic EOI register write or simulating it using
|
||||
* mask+edge followed by unnask+level logic) manually when the
|
||||
* mask+edge followed by unmask+level logic) manually when the
|
||||
* level triggered interrupt is seen as the edge triggered interrupt
|
||||
* at the cpu.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -1045,7 +1045,7 @@ void irq_force_complete_move(struct irq_desc *desc)
|
|||
*
|
||||
* But in case of cpu hotplug this should be a non issue
|
||||
* because if the affinity update happens right before all
|
||||
* cpus rendevouz in stop machine, there is no way that the
|
||||
* cpus rendezvous in stop machine, there is no way that the
|
||||
* interrupt can be blocked on the target cpu because all cpus
|
||||
* loops first with interrupts enabled in stop machine, so the
|
||||
* old vector is not yet cleaned up when the interrupt fires.
|
||||
|
|
@ -1054,7 +1054,7 @@ void irq_force_complete_move(struct irq_desc *desc)
|
|||
* of the interrupt on the apic/system bus would be delayed
|
||||
* beyond the point where the target cpu disables interrupts
|
||||
* in stop machine. I doubt that it can happen, but at least
|
||||
* there is a theroretical chance. Virtualization might be
|
||||
* there is a theoretical chance. Virtualization might be
|
||||
* able to expose this, but AFAICT the IOAPIC emulation is not
|
||||
* as stupid as the real hardware.
|
||||
*
|
||||
|
|
|
|||
|
|
@ -94,7 +94,7 @@
|
|||
* Remove APM dependencies in arch/i386/kernel/process.c
|
||||
* Remove APM dependencies in drivers/char/sysrq.c
|
||||
* Reset time across standby.
|
||||
* Allow more inititialisation on SMP.
|
||||
* Allow more initialisation on SMP.
|
||||
* Remove CONFIG_APM_POWER_OFF and make it boot time
|
||||
* configurable (default on).
|
||||
* Make debug only a boot time parameter (remove APM_DEBUG).
|
||||
|
|
@ -766,7 +766,7 @@ static int apm_driver_version(u_short *val)
|
|||
* not cleared until it is acknowledged.
|
||||
*
|
||||
* Additional information is returned in the info pointer, providing
|
||||
* that APM 1.2 is in use. If no messges are pending the value 0x80
|
||||
* that APM 1.2 is in use. If no messages are pending the value 0x80
|
||||
* is returned (No power management events pending).
|
||||
*/
|
||||
static int apm_get_event(apm_event_t *event, apm_eventinfo_t *info)
|
||||
|
|
@ -1025,7 +1025,7 @@ static int apm_enable_power_management(int enable)
|
|||
* status which gives the rough battery status, and current power
|
||||
* source. The bat value returned give an estimate as a percentage
|
||||
* of life and a status value for the battery. The estimated life
|
||||
* if reported is a lifetime in secodnds/minutes at current powwer
|
||||
* if reported is a lifetime in secodnds/minutes at current power
|
||||
* consumption.
|
||||
*/
|
||||
|
||||
|
|
|
|||
|
|
@ -482,7 +482,7 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c)
|
|||
if (pk)
|
||||
pk->pkru = init_pkru_value;
|
||||
/*
|
||||
* Seting X86_CR4_PKE will cause the X86_FEATURE_OSPKE
|
||||
* Setting X86_CR4_PKE will cause the X86_FEATURE_OSPKE
|
||||
* cpuid bit to be set. We need to ensure that we
|
||||
* update that bit in this CPU's "cpu_info".
|
||||
*/
|
||||
|
|
@ -1404,7 +1404,7 @@ static void detect_null_seg_behavior(struct cpuinfo_x86 *c)
|
|||
* where GS is unused by the prev and next threads.
|
||||
*
|
||||
* Since neither vendor documents this anywhere that I can see,
|
||||
* detect it directly instead of hardcoding the choice by
|
||||
* detect it directly instead of hard-coding the choice by
|
||||
* vendor.
|
||||
*
|
||||
* I've designated AMD's behavior as the "bug" because it's
|
||||
|
|
|
|||
|
|
@ -291,7 +291,7 @@ static void init_cyrix(struct cpuinfo_x86 *c)
|
|||
mark_tsc_unstable("cyrix 5510/5520 detected");
|
||||
}
|
||||
#endif
|
||||
c->x86_cache_size = 16; /* Yep 16K integrated cache thats it */
|
||||
c->x86_cache_size = 16; /* Yep 16K integrated cache that's it */
|
||||
|
||||
/* GXm supports extended cpuid levels 'ala' AMD */
|
||||
if (c->cpuid_level == 2) {
|
||||
|
|
|
|||
|
|
@ -529,7 +529,7 @@ static void mce_irq_work_cb(struct irq_work *entry)
|
|||
* Check if the address reported by the CPU is in a format we can parse.
|
||||
* It would be possible to add code for most other cases, but all would
|
||||
* be somewhat complicated (e.g. segment offset would require an instruction
|
||||
* parser). So only support physical addresses up to page granuality for now.
|
||||
* parser). So only support physical addresses up to page granularity for now.
|
||||
*/
|
||||
int mce_usable_address(struct mce *m)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -197,7 +197,7 @@ static unsigned char hv_get_nmi_reason(void)
|
|||
#ifdef CONFIG_X86_LOCAL_APIC
|
||||
/*
|
||||
* Prior to WS2016 Debug-VM sends NMIs to all CPUs which makes
|
||||
* it dificult to process CHANNELMSG_UNLOAD in case of crash. Handle
|
||||
* it difficult to process CHANNELMSG_UNLOAD in case of crash. Handle
|
||||
* unknown NMI on the first CPU which gets it.
|
||||
*/
|
||||
static int hv_nmi_unknown(unsigned int val, struct pt_regs *regs)
|
||||
|
|
@ -428,7 +428,7 @@ static void __init ms_hyperv_init_platform(void)
|
|||
|
||||
/*
|
||||
* Hyper-V doesn't provide irq remapping for IO-APIC. To enable x2apic,
|
||||
* set x2apic destination mode to physcial mode when x2apic is available
|
||||
* set x2apic destination mode to physical mode when x2apic is available
|
||||
* and Hyper-V IOMMU driver makes sure cpus assigned with IO-APIC irqs
|
||||
* have 8-bit APIC id.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -434,7 +434,7 @@ set_var_mtrr_range(struct var_mtrr_state *state, unsigned long base_pfn,
|
|||
state->range_sizek = sizek - second_sizek;
|
||||
}
|
||||
|
||||
/* Mininum size of mtrr block that can take hole: */
|
||||
/* Minimum size of mtrr block that can take hole: */
|
||||
static u64 mtrr_chunk_size __initdata = (256ULL<<20);
|
||||
|
||||
static int __init parse_mtrr_chunk_size_opt(char *p)
|
||||
|
|
|
|||
|
|
@ -192,7 +192,7 @@ static unsigned int cbm_idx(struct rdt_resource *r, unsigned int closid)
|
|||
* Intel(R) Xeon(R) CPU E5-2608L v3 @ 2.00GHz
|
||||
* Intel(R) Xeon(R) CPU E5-2658A v3 @ 2.20GHz
|
||||
*
|
||||
* Probe by trying to write the first of the L3 cach mask registers
|
||||
* Probe by trying to write the first of the L3 cache mask registers
|
||||
* and checking that the bits stick. Max CLOSids is always 4 and max cbm length
|
||||
* is always 20 on hsw server parts. The minimum cache bitmask length
|
||||
* allowed for HSW server is always 2 bits. Hardcode all of them.
|
||||
|
|
|
|||
|
|
@ -387,7 +387,7 @@ void mon_event_count(void *info)
|
|||
* adjust the bandwidth percentage values via the IA32_MBA_THRTL_MSRs so
|
||||
* that:
|
||||
*
|
||||
* current bandwdith(cur_bw) < user specified bandwidth(user_bw)
|
||||
* current bandwidth(cur_bw) < user specified bandwidth(user_bw)
|
||||
*
|
||||
* This uses the MBM counters to measure the bandwidth and MBA throttle
|
||||
* MSRs to control the bandwidth for a particular rdtgrp. It builds on the
|
||||
|
|
|
|||
|
|
@ -1307,7 +1307,7 @@ int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp)
|
|||
* If the thread does not get on the CPU for whatever
|
||||
* reason and the process which sets up the region is
|
||||
* interrupted then this will leave the thread in runnable
|
||||
* state and once it gets on the CPU it will derefence
|
||||
* state and once it gets on the CPU it will dereference
|
||||
* the cleared, but not freed, plr struct resulting in an
|
||||
* empty pseudo-locking loop.
|
||||
*/
|
||||
|
|
@ -1391,7 +1391,7 @@ int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp)
|
|||
* group is removed from user space via a "rmdir" from userspace or the
|
||||
* unmount of the resctrl filesystem. On removal the resource group does
|
||||
* not go back to pseudo-locksetup mode before it is removed, instead it is
|
||||
* removed directly. There is thus assymmetry with the creation where the
|
||||
* removed directly. There is thus asymmetry with the creation where the
|
||||
* &struct pseudo_lock_region is removed here while it was not created in
|
||||
* rdtgroup_pseudo_lock_create().
|
||||
*
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* User interface for Resource Alloction in Resource Director Technology(RDT)
|
||||
* User interface for Resource Allocation in Resource Director Technology(RDT)
|
||||
*
|
||||
* Copyright (C) 2016 Intel Corporation
|
||||
*
|
||||
|
|
@ -294,7 +294,7 @@ static int rdtgroup_cpus_show(struct kernfs_open_file *of,
|
|||
/*
|
||||
* This is safe against resctrl_sched_in() called from __switch_to()
|
||||
* because __switch_to() is executed with interrupts disabled. A local call
|
||||
* from update_closid_rmid() is proteced against __switch_to() because
|
||||
* from update_closid_rmid() is protected against __switch_to() because
|
||||
* preemption is disabled.
|
||||
*/
|
||||
static void update_cpu_closid_rmid(void *info)
|
||||
|
|
|
|||
|
|
@ -271,7 +271,7 @@ struct sgx_pcmd {
|
|||
* @header1: constant byte string
|
||||
* @vendor: must be either 0x0000 or 0x8086
|
||||
* @date: YYYYMMDD in BCD
|
||||
* @header2: costant byte string
|
||||
* @header2: constant byte string
|
||||
* @swdefined: software defined value
|
||||
*/
|
||||
struct sgx_sigstruct_header {
|
||||
|
|
|
|||
|
|
@ -195,10 +195,10 @@ static const cpumask_t *sgx_encl_ewb_cpumask(struct sgx_encl *encl)
|
|||
|
||||
/*
|
||||
* Swap page to the regular memory transformed to the blocked state by using
|
||||
* EBLOCK, which means that it can no loger be referenced (no new TLB entries).
|
||||
* EBLOCK, which means that it can no longer be referenced (no new TLB entries).
|
||||
*
|
||||
* The first trial just tries to write the page assuming that some other thread
|
||||
* has reset the count for threads inside the enlave by using ETRACK, and
|
||||
* has reset the count for threads inside the enclave by using ETRACK, and
|
||||
* previous thread count has been zeroed out. The second trial calls ETRACK
|
||||
* before EWB. If that fails we kick all the HW threads out, and then do EWB,
|
||||
* which should be guaranteed the succeed.
|
||||
|
|
|
|||
|
|
@ -30,7 +30,7 @@ EXPORT_SYMBOL(__max_die_per_package);
|
|||
|
||||
#ifdef CONFIG_SMP
|
||||
/*
|
||||
* Check if given CPUID extended toplogy "leaf" is implemented
|
||||
* Check if given CPUID extended topology "leaf" is implemented
|
||||
*/
|
||||
static int check_extended_topology_leaf(int leaf)
|
||||
{
|
||||
|
|
@ -44,7 +44,7 @@ static int check_extended_topology_leaf(int leaf)
|
|||
return 0;
|
||||
}
|
||||
/*
|
||||
* Return best CPUID Extended Toplogy Leaf supported
|
||||
* Return best CPUID Extended Topology Leaf supported
|
||||
*/
|
||||
static int detect_extended_topology_leaf(struct cpuinfo_x86 *c)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -793,7 +793,7 @@ core_initcall(e820__register_nvs_regions);
|
|||
#endif
|
||||
|
||||
/*
|
||||
* Allocate the requested number of bytes with the requsted alignment
|
||||
* Allocate the requested number of bytes with the requested alignment
|
||||
* and return (the physical address) to the caller. Also register this
|
||||
* range in the 'kexec' E820 table as a reserved range.
|
||||
*
|
||||
|
|
|
|||
|
|
@ -253,7 +253,7 @@ static bool xfeature_enabled(enum xfeature xfeature)
|
|||
static void __init setup_xstate_features(void)
|
||||
{
|
||||
u32 eax, ebx, ecx, edx, i;
|
||||
/* start at the beginnning of the "extended state" */
|
||||
/* start at the beginning of the "extended state" */
|
||||
unsigned int last_good_offset = offsetof(struct xregs_state,
|
||||
extended_state_area);
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -104,7 +104,7 @@ static unsigned int __head *fixup_int(void *ptr, unsigned long physaddr)
|
|||
static bool __head check_la57_support(unsigned long physaddr)
|
||||
{
|
||||
/*
|
||||
* 5-level paging is detected and enabled at kernel decomression
|
||||
* 5-level paging is detected and enabled at kernel decompression
|
||||
* stage. Only check if it has been enabled there.
|
||||
*/
|
||||
if (!(native_read_cr4() & X86_CR4_LA57))
|
||||
|
|
|
|||
|
|
@ -245,7 +245,7 @@ static const __initconst struct idt_data ist_idts[] = {
|
|||
* after that.
|
||||
*
|
||||
* Note, that X86_64 cannot install the real #PF handler in
|
||||
* idt_setup_early_traps() because the memory intialization needs the #PF
|
||||
* idt_setup_early_traps() because the memory initialization needs the #PF
|
||||
* handler from the early_idt_handler_array to initialize the early page
|
||||
* tables.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -338,7 +338,7 @@ void fixup_irqs(void)
|
|||
irq_migrate_all_off_this_cpu();
|
||||
|
||||
/*
|
||||
* We can remove mdelay() and then send spuriuous interrupts to
|
||||
* We can remove mdelay() and then send spurious interrupts to
|
||||
* new cpu targets for all the irqs that were handled previously by
|
||||
* this cpu. While it works, I have seen spurious interrupt messages
|
||||
* (nothing wrong but still...).
|
||||
|
|
|
|||
|
|
@ -17,7 +17,7 @@
|
|||
* Updated by: Tom Rini <trini@kernel.crashing.org>
|
||||
* Updated by: Jason Wessel <jason.wessel@windriver.com>
|
||||
* Modified for 386 by Jim Kingdon, Cygnus Support.
|
||||
* Origianl kgdb, compatibility with 2.1.xx kernel by
|
||||
* Original kgdb, compatibility with 2.1.xx kernel by
|
||||
* David Grothe <dave@gcom.com>
|
||||
* Integrated into 2.2.5 kernel by Tigran Aivazian <tigran@sco.com>
|
||||
* X86_64 changes from Andi Kleen's patch merged by Jim Houston
|
||||
|
|
@ -642,7 +642,7 @@ void kgdb_arch_late(void)
|
|||
struct perf_event **pevent;
|
||||
|
||||
/*
|
||||
* Pre-allocate the hw breakpoint structions in the non-atomic
|
||||
* Pre-allocate the hw breakpoint instructions in the non-atomic
|
||||
* portion of kgdb because this operation requires mutexs to
|
||||
* complete.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@
|
|||
|
||||
#include "common.h"
|
||||
|
||||
/* Ftrace callback handler for kprobes -- called under preepmt disabed */
|
||||
/* Ftrace callback handler for kprobes -- called under preempt disabled */
|
||||
void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
|
||||
struct ftrace_ops *ops, struct ftrace_regs *fregs)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -260,7 +260,7 @@ static void set_idt(void *newidt, u16 limit)
|
|||
{
|
||||
struct desc_ptr curidt;
|
||||
|
||||
/* x86-64 supports unaliged loads & stores */
|
||||
/* x86-64 supports unaligned loads & stores */
|
||||
curidt.size = limit;
|
||||
curidt.address = (unsigned long)newidt;
|
||||
|
||||
|
|
|
|||
|
|
@ -451,7 +451,7 @@ void speculative_store_bypass_ht_init(void)
|
|||
* First HT sibling to come up on the core. Link shared state of
|
||||
* the first HT sibling to itself. The siblings on the same core
|
||||
* which come up later will see the shared state pointer and link
|
||||
* themself to the state of this CPU.
|
||||
* themselves to the state of this CPU.
|
||||
*/
|
||||
st->shared_state = st;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -89,7 +89,7 @@ u64 pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
|
|||
/*
|
||||
* Assumption here is that last_value, a global accumulator, always goes
|
||||
* forward. If we are less than that, we should not be much smaller.
|
||||
* We assume there is an error marging we're inside, and then the correction
|
||||
* We assume there is an error margin we're inside, and then the correction
|
||||
* does not sacrifice accuracy.
|
||||
*
|
||||
* For reads: global may have changed between test and return,
|
||||
|
|
|
|||
|
|
@ -492,7 +492,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
|
|||
* SS descriptor, but we do need SS to be valid. It's possible
|
||||
* that the old SS is entirely bogus -- this can happen if the
|
||||
* signal we're trying to deliver is #GP or #SS caused by a bad
|
||||
* SS value. We also have a compatbility issue here: DOSEMU
|
||||
* SS value. We also have a compatibility issue here: DOSEMU
|
||||
* relies on the contents of the SS register indicating the
|
||||
* SS value at the time of the signal, even though that code in
|
||||
* DOSEMU predates sigreturn's ability to restore SS. (DOSEMU
|
||||
|
|
|
|||
|
|
@ -67,7 +67,7 @@
|
|||
* 5AP. symmetric IO mode (normal Linux operation) not affected.
|
||||
* 'noapic' mode has vector 0xf filled out properly.
|
||||
* 6AP. 'noapic' mode might be affected - fixed in later steppings
|
||||
* 7AP. We do not assume writes to the LVT deassering IRQs
|
||||
* 7AP. We do not assume writes to the LVT deasserting IRQs
|
||||
* 8AP. We do not enable low power mode (deep sleep) during MP bootup
|
||||
* 9AP. We do not use mixed mode
|
||||
*
|
||||
|
|
|
|||
|
|
@ -1407,7 +1407,7 @@ void __init calculate_max_logical_packages(void)
|
|||
int ncpus;
|
||||
|
||||
/*
|
||||
* Today neither Intel nor AMD support heterogenous systems so
|
||||
* Today neither Intel nor AMD support heterogeneous systems so
|
||||
* extrapolate the boot cpu's data to all packages.
|
||||
*/
|
||||
ncpus = cpu_data(0).booted_cores * topology_max_smt_threads();
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@
|
|||
* EFI Quirks
|
||||
* Several EFI systems do not correctly advertise their boot framebuffers.
|
||||
* Hence, we use this static table of known broken machines and fix up the
|
||||
* information so framebuffer drivers can load corectly.
|
||||
* information so framebuffer drivers can load correctly.
|
||||
*/
|
||||
|
||||
#include <linux/dmi.h>
|
||||
|
|
|
|||
|
|
@ -113,7 +113,7 @@ int arch_register_cpu(int num)
|
|||
* Two known BSP/CPU0 dependencies: Resume from suspend/hibernate
|
||||
* depends on BSP. PIC interrupts depend on BSP.
|
||||
*
|
||||
* If the BSP depencies are under control, one can tell kernel to
|
||||
* If the BSP dependencies are under control, one can tell kernel to
|
||||
* enable BSP hotplug. This basically adds a control file and
|
||||
* one can attempt to offline BSP.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -395,7 +395,7 @@ DEFINE_IDTENTRY_DF(exc_double_fault)
|
|||
/*
|
||||
* Adjust our frame so that we return straight to the #GP
|
||||
* vector with the expected RSP value. This is safe because
|
||||
* we won't enable interupts or schedule before we invoke
|
||||
* we won't enable interrupts or schedule before we invoke
|
||||
* general_protection, so nothing will clobber the stack
|
||||
* frame we just set up.
|
||||
*
|
||||
|
|
|
|||
|
|
@ -739,7 +739,7 @@ static unsigned long pit_hpet_ptimer_calibrate_cpu(void)
|
|||
* 2) Reference counter. If available we use the HPET or the
|
||||
* PMTIMER as a reference to check the sanity of that value.
|
||||
* We use separate TSC readouts and check inside of the
|
||||
* reference read for any possible disturbance. We dicard
|
||||
* reference read for any possible disturbance. We discard
|
||||
* disturbed values here as well. We do that around the PIT
|
||||
* calibration delay loop as we have to wait for a certain
|
||||
* amount of time anyway.
|
||||
|
|
@ -1079,7 +1079,7 @@ static void tsc_resume(struct clocksource *cs)
|
|||
* very small window right after one CPU updated cycle_last under
|
||||
* xtime/vsyscall_gtod lock and the other CPU reads a TSC value which
|
||||
* is smaller than the cycle_last reference value due to a TSC which
|
||||
* is slighty behind. This delta is nowhere else observable, but in
|
||||
* is slightly behind. This delta is nowhere else observable, but in
|
||||
* that case it results in a forward time jump in the range of hours
|
||||
* due to the unsigned delta calculation of the time keeping core
|
||||
* code, which is necessary to support wrapping clocksources like pm
|
||||
|
|
@ -1264,7 +1264,7 @@ EXPORT_SYMBOL(convert_art_to_tsc);
|
|||
* corresponding clocksource
|
||||
* @cycles: System counter value
|
||||
* @cs: Clocksource corresponding to system counter value. Used
|
||||
* by timekeeping code to verify comparibility of two cycle
|
||||
* by timekeeping code to verify comparability of two cycle
|
||||
* values.
|
||||
*/
|
||||
|
||||
|
|
|
|||
|
|
@ -1033,7 +1033,7 @@ EXPORT_SYMBOL_GPL(kvm_find_cpuid_entry);
|
|||
* - Centaur: 0xc0000000 - 0xcfffffff
|
||||
*
|
||||
* The Hypervisor class is further subdivided into sub-classes that each act as
|
||||
* their own indepdent class associated with a 0x100 byte range. E.g. if Qemu
|
||||
* their own independent class associated with a 0x100 byte range. E.g. if Qemu
|
||||
* is advertising support for both HyperV and KVM, the resulting Hypervisor
|
||||
* CPUID sub-classes are:
|
||||
*
|
||||
|
|
|
|||
|
|
@ -3222,7 +3222,7 @@ static int load_state_from_tss32(struct x86_emulate_ctxt *ctxt,
|
|||
}
|
||||
|
||||
/*
|
||||
* Now load segment descriptors. If fault happenes at this stage
|
||||
* Now load segment descriptors. If fault happens at this stage
|
||||
* it is handled in a context of new task
|
||||
*/
|
||||
ret = __load_segment_descriptor(ctxt, tss->ldt_selector, VCPU_SREG_LDTR,
|
||||
|
|
|
|||
|
|
@ -269,7 +269,7 @@ int kvm_set_routing_entry(struct kvm *kvm,
|
|||
const struct kvm_irq_routing_entry *ue)
|
||||
{
|
||||
/* We can't check irqchip_in_kernel() here as some callers are
|
||||
* currently inititalizing the irqchip. Other callers should therefore
|
||||
* currently initializing the irqchip. Other callers should therefore
|
||||
* check kvm_arch_can_set_irq_routing() before calling this function.
|
||||
*/
|
||||
switch (ue->type) {
|
||||
|
|
|
|||
|
|
@ -4961,7 +4961,7 @@ static void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
|
|||
|
||||
/*
|
||||
* No need to care whether allocation memory is successful
|
||||
* or not since pte prefetch is skiped if it does not have
|
||||
* or not since pte prefetch is skipped if it does not have
|
||||
* enough objects in the cache.
|
||||
*/
|
||||
mmu_topup_memory_caches(vcpu, true);
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ struct kvm_mmu_page {
|
|||
#ifdef CONFIG_X86_64
|
||||
bool tdp_mmu_page;
|
||||
|
||||
/* Used for freeing the page asyncronously if it is a TDP MMU page. */
|
||||
/* Used for freeing the page asynchronously if it is a TDP MMU page. */
|
||||
struct rcu_head rcu_head;
|
||||
#endif
|
||||
};
|
||||
|
|
|
|||
|
|
@ -404,7 +404,7 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
|
|||
* If this warning were to trigger it would indicate that there was a
|
||||
* missing MMU notifier or a race with some notifier handler.
|
||||
* A present, leaf SPTE should never be directly replaced with another
|
||||
* present leaf SPTE pointing to a differnt PFN. A notifier handler
|
||||
* present leaf SPTE pointing to a different PFN. A notifier handler
|
||||
* should be zapping the SPTE before the main MM's page table is
|
||||
* changed, or the SPTE should be zeroed, and the TLBs flushed by the
|
||||
* thread before replacement.
|
||||
|
|
@ -418,7 +418,7 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
|
|||
|
||||
/*
|
||||
* Crash the host to prevent error propagation and guest data
|
||||
* courruption.
|
||||
* corruption.
|
||||
*/
|
||||
BUG();
|
||||
}
|
||||
|
|
@ -533,7 +533,7 @@ static inline bool tdp_mmu_zap_spte_atomic(struct kvm *kvm,
|
|||
/*
|
||||
* No other thread can overwrite the removed SPTE as they
|
||||
* must either wait on the MMU lock or use
|
||||
* tdp_mmu_set_spte_atomic which will not overrite the
|
||||
* tdp_mmu_set_spte_atomic which will not overwrite the
|
||||
* special removed SPTE value. No bookkeeping is needed
|
||||
* here since the SPTE is going from non-present
|
||||
* to non-present.
|
||||
|
|
|
|||
|
|
@ -103,7 +103,7 @@ static inline bool kvm_valid_perf_global_ctrl(struct kvm_pmu *pmu,
|
|||
|
||||
/* returns general purpose PMC with the specified MSR. Note that it can be
|
||||
* used for both PERFCTRn and EVNTSELn; that is why it accepts base as a
|
||||
* paramenter to tell them apart.
|
||||
* parameter to tell them apart.
|
||||
*/
|
||||
static inline struct kvm_pmc *get_gp_pmc(struct kvm_pmu *pmu, u32 msr,
|
||||
u32 base)
|
||||
|
|
|
|||
|
|
@ -838,7 +838,7 @@ int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
|
|||
* Here, we setup with legacy mode in the following cases:
|
||||
* 1. When cannot target interrupt to a specific vcpu.
|
||||
* 2. Unsetting posted interrupt.
|
||||
* 3. APIC virtialization is disabled for the vcpu.
|
||||
* 3. APIC virtualization is disabled for the vcpu.
|
||||
* 4. IRQ has incompatible delivery mode (SMI, INIT, etc)
|
||||
*/
|
||||
if (!get_pi_vcpu_info(kvm, e, &vcpu_info, &svm) && set &&
|
||||
|
|
|
|||
|
|
@ -2082,7 +2082,7 @@ void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu)
|
|||
hostsa = (struct vmcb_save_area *)(page_address(sd->save_area) + 0x400);
|
||||
hostsa->xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK);
|
||||
|
||||
/* PKRU is restored on VMEXIT, save the curent host value */
|
||||
/* PKRU is restored on VMEXIT, save the current host value */
|
||||
hostsa->pkru = read_pkru();
|
||||
|
||||
/* MSR_IA32_XSS is restored on VMEXIT, save the currnet host value */
|
||||
|
|
|
|||
|
|
@ -4400,7 +4400,7 @@ static bool svm_can_emulate_instruction(struct kvm_vcpu *vcpu, void *insn, int i
|
|||
*
|
||||
* This happens because CPU microcode reading instruction bytes
|
||||
* uses a special opcode which attempts to read data using CPL=0
|
||||
* priviledges. The microcode reads CS:RIP and if it hits a SMAP
|
||||
* privileges. The microcode reads CS:RIP and if it hits a SMAP
|
||||
* fault, it gives up and returns no instruction bytes.
|
||||
*
|
||||
* Detection:
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@
|
|||
#include "vmx.h"
|
||||
|
||||
/*
|
||||
* We maintian a per-CPU linked-list of vCPU, so in wakeup_handler() we
|
||||
* We maintain a per-CPU linked-list of vCPU, so in wakeup_handler() we
|
||||
* can find which vCPU should be waken up.
|
||||
*/
|
||||
static DEFINE_PER_CPU(struct list_head, blocked_vcpu_on_cpu);
|
||||
|
|
|
|||
|
|
@ -1529,7 +1529,7 @@ static int vmx_rtit_ctl_check(struct kvm_vcpu *vcpu, u64 data)
|
|||
|
||||
/*
|
||||
* MTCFreq, CycThresh and PSBFreq encodings check, any MSR write that
|
||||
* utilize encodings marked reserved will casue a #GP fault.
|
||||
* utilize encodings marked reserved will cause a #GP fault.
|
||||
*/
|
||||
value = intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_mtc_periods);
|
||||
if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_mtc) &&
|
||||
|
|
@ -2761,7 +2761,7 @@ static void enter_pmode(struct kvm_vcpu *vcpu)
|
|||
struct vcpu_vmx *vmx = to_vmx(vcpu);
|
||||
|
||||
/*
|
||||
* Update real mode segment cache. It may be not up-to-date if sement
|
||||
* Update real mode segment cache. It may be not up-to-date if segment
|
||||
* register was written while vcpu was in a guest mode.
|
||||
*/
|
||||
vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_ES], VCPU_SREG_ES);
|
||||
|
|
@ -7252,7 +7252,7 @@ static void update_intel_pt_cfg(struct kvm_vcpu *vcpu)
|
|||
if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_topa_output))
|
||||
vmx->pt_desc.ctl_bitmask &= ~RTIT_CTL_TOPA;
|
||||
|
||||
/* If CPUID.(EAX=14H,ECX=0):ECX[3]=1 FabircEn can be set */
|
||||
/* If CPUID.(EAX=14H,ECX=0):ECX[3]=1 FabricEn can be set */
|
||||
if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_output_subsys))
|
||||
vmx->pt_desc.ctl_bitmask &= ~RTIT_CTL_FABRIC_EN;
|
||||
|
||||
|
|
|
|||
|
|
@ -156,9 +156,9 @@ module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR);
|
|||
|
||||
/*
|
||||
* lapic timer advance (tscdeadline mode only) in nanoseconds. '-1' enables
|
||||
* adaptive tuning starting from default advancment of 1000ns. '0' disables
|
||||
* adaptive tuning starting from default advancement of 1000ns. '0' disables
|
||||
* advancement entirely. Any other value is used as-is and disables adaptive
|
||||
* tuning, i.e. allows priveleged userspace to set an exact advancement time.
|
||||
* tuning, i.e. allows privileged userspace to set an exact advancement time.
|
||||
*/
|
||||
static int __read_mostly lapic_timer_advance_ns = -1;
|
||||
module_param(lapic_timer_advance_ns, int, S_IRUGO | S_IWUSR);
|
||||
|
|
@ -1373,7 +1373,7 @@ static u64 kvm_get_arch_capabilities(void)
|
|||
/*
|
||||
* If nx_huge_pages is enabled, KVM's shadow paging will ensure that
|
||||
* the nested hypervisor runs with NX huge pages. If it is not,
|
||||
* L1 is anyway vulnerable to ITLB_MULTIHIT explots from other
|
||||
* L1 is anyway vulnerable to ITLB_MULTIHIT exploits from other
|
||||
* L1 guests, so it need not worry about its own (L2) guests.
|
||||
*/
|
||||
data |= ARCH_CAP_PSCHANGE_MC_NO;
|
||||
|
|
|
|||
|
|
@ -232,7 +232,7 @@ static int resolve_default_seg(struct insn *insn, struct pt_regs *regs, int off)
|
|||
* resolve_seg_reg() - obtain segment register index
|
||||
* @insn: Instruction with operands
|
||||
* @regs: Register values as seen when entering kernel mode
|
||||
* @regoff: Operand offset, in pt_regs, used to deterimine segment register
|
||||
* @regoff: Operand offset, in pt_regs, used to determine segment register
|
||||
*
|
||||
* Determine the segment register associated with the operands and, if
|
||||
* applicable, prefixes and the instruction pointed by @insn.
|
||||
|
|
@ -517,7 +517,7 @@ static int get_reg_offset(struct insn *insn, struct pt_regs *regs,
|
|||
* @insn: Instruction containing ModRM byte
|
||||
* @regs: Register values as seen when entering kernel mode
|
||||
* @offs1: Offset of the first operand register
|
||||
* @offs2: Offset of the second opeand register, if applicable
|
||||
* @offs2: Offset of the second operand register, if applicable
|
||||
*
|
||||
* Obtain the offset, in pt_regs, of the registers indicated by the ModRM byte
|
||||
* in @insn. This function is to be used with 16-bit address encodings. The
|
||||
|
|
@ -576,7 +576,7 @@ static int get_reg_offset_16(struct insn *insn, struct pt_regs *regs,
|
|||
* If ModRM.mod is 0 and ModRM.rm is 110b, then we use displacement-
|
||||
* only addressing. This means that no registers are involved in
|
||||
* computing the effective address. Thus, ensure that the first
|
||||
* register offset is invalild. The second register offset is already
|
||||
* register offset is invalid. The second register offset is already
|
||||
* invalid under the aforementioned conditions.
|
||||
*/
|
||||
if ((X86_MODRM_MOD(insn->modrm.value) == 0) &&
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@
|
|||
* tested so far for any MMX solution figured.
|
||||
*
|
||||
* 22/09/2000 - Arjan van de Ven
|
||||
* Improved for non-egineering-sample Athlons
|
||||
* Improved for non-engineering-sample Athlons
|
||||
*
|
||||
*/
|
||||
#include <linux/hardirq.h>
|
||||
|
|
|
|||
|
|
@ -1523,7 +1523,7 @@ DEFINE_IDTENTRY_RAW_ERRORCODE(exc_page_fault)
|
|||
*
|
||||
* In case the fault hit a RCU idle region the conditional entry
|
||||
* code reenabled RCU to avoid subsequent wreckage which helps
|
||||
* debugability.
|
||||
* debuggability.
|
||||
*/
|
||||
state = irqentry_enter(regs);
|
||||
|
||||
|
|
|
|||
|
|
@ -29,7 +29,7 @@
|
|||
|
||||
/*
|
||||
* We need to define the tracepoints somewhere, and tlb.c
|
||||
* is only compied when SMP=y.
|
||||
* is only compiled when SMP=y.
|
||||
*/
|
||||
#define CREATE_TRACE_POINTS
|
||||
#include <trace/events/tlb.h>
|
||||
|
|
@ -939,7 +939,7 @@ void __init free_initrd_mem(unsigned long start, unsigned long end)
|
|||
{
|
||||
/*
|
||||
* end could be not aligned, and We can not align that,
|
||||
* decompresser could be confused by aligned initrd_end
|
||||
* decompressor could be confused by aligned initrd_end
|
||||
* We already reserve the end partial page before in
|
||||
* - i386_start_kernel()
|
||||
* - x86_64_start_kernel()
|
||||
|
|
|
|||
|
|
@ -172,7 +172,7 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end)
|
|||
|
||||
/*
|
||||
* With folded p4d, pgd_none() is always false, we need to
|
||||
* handle synchonization on p4d level.
|
||||
* handle synchronization on p4d level.
|
||||
*/
|
||||
MAYBE_BUILD_BUG_ON(pgd_none(*pgd_ref));
|
||||
p4d_ref = p4d_offset(pgd_ref, addr);
|
||||
|
|
@ -986,7 +986,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
|
|||
if (PAGE_ALIGNED(addr) && PAGE_ALIGNED(next)) {
|
||||
/*
|
||||
* Do not free direct mapping pages since they were
|
||||
* freed when offlining, or simplely not in use.
|
||||
* freed when offlining, or simply not in use.
|
||||
*/
|
||||
if (!direct)
|
||||
free_pagetable(pte_page(*pte), 0);
|
||||
|
|
@ -1004,7 +1004,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
|
|||
*
|
||||
* If we are not removing the whole page, it means
|
||||
* other page structs in this page are being used and
|
||||
* we canot remove them. So fill the unused page_structs
|
||||
* we cannot remove them. So fill the unused page_structs
|
||||
* with 0xFD, and remove the page when it is wholly
|
||||
* filled with 0xFD.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -96,7 +96,7 @@ void __init kernel_randomize_memory(void)
|
|||
memory_tb = DIV_ROUND_UP(max_pfn << PAGE_SHIFT, 1UL << TB_SHIFT) +
|
||||
CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING;
|
||||
|
||||
/* Adapt phyiscal memory region size based on available memory */
|
||||
/* Adapt physical memory region size based on available memory */
|
||||
if (memory_tb < kaslr_regions[0].size_tb)
|
||||
kaslr_regions[0].size_tb = memory_tb;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
// SPDX-License-Identifier: GPL-2.0
|
||||
/* Support for MMIO probes.
|
||||
* Benfit many code from kprobes
|
||||
* Benefit many code from kprobes
|
||||
* (C) 2002 Louis Zhuang <louis.zhuang@intel.com>.
|
||||
* 2007 Alexander Eichner
|
||||
* 2008 Pekka Paalanen <pq@iki.fi>
|
||||
|
|
|
|||
|
|
@ -27,7 +27,7 @@ SYM_FUNC_START(sme_encrypt_execute)
|
|||
* - stack page (PAGE_SIZE)
|
||||
* - encryption routine page (PAGE_SIZE)
|
||||
* - intermediate copy buffer (PMD_PAGE_SIZE)
|
||||
* R8 - physcial address of the pagetables to use for encryption
|
||||
* R8 - physical address of the pagetables to use for encryption
|
||||
*/
|
||||
|
||||
push %rbp
|
||||
|
|
|
|||
|
|
@ -695,7 +695,7 @@ int memtype_free(u64 start, u64 end)
|
|||
|
||||
|
||||
/**
|
||||
* lookup_memtype - Looksup the memory type for a physical address
|
||||
* lookup_memtype - Looks up the memory type for a physical address
|
||||
* @paddr: physical address of which memory type needs to be looked up
|
||||
*
|
||||
* Only to be called when PAT is enabled
|
||||
|
|
|
|||
|
|
@ -680,7 +680,7 @@ pmd_t *lookup_pmd_address(unsigned long address)
|
|||
* end up in this kind of memory, for instance.
|
||||
*
|
||||
* This could be optimized, but it is only intended to be
|
||||
* used at inititalization time, and keeping it
|
||||
* used at initialization time, and keeping it
|
||||
* unoptimized should increase the testing coverage for
|
||||
* the more obscure platforms.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -361,7 +361,7 @@ pti_clone_pgtable(unsigned long start, unsigned long end,
|
|||
* global, so set it as global in both copies. Note:
|
||||
* the X86_FEATURE_PGE check is not _required_ because
|
||||
* the CPU ignores _PAGE_GLOBAL when PGE is not
|
||||
* supported. The check keeps consistentency with
|
||||
* supported. The check keeps consistency with
|
||||
* code that only set this bit when supported.
|
||||
*/
|
||||
if (boot_cpu_has(X86_FEATURE_PGE))
|
||||
|
|
@ -512,7 +512,7 @@ static void pti_clone_entry_text(void)
|
|||
static inline bool pti_kernel_image_global_ok(void)
|
||||
{
|
||||
/*
|
||||
* Systems with PCIDs get litlle benefit from global
|
||||
* Systems with PCIDs get little benefit from global
|
||||
* kernel text and are not worth the downsides.
|
||||
*/
|
||||
if (cpu_feature_enabled(X86_FEATURE_PCID))
|
||||
|
|
|
|||
|
|
@ -106,7 +106,7 @@ static inline u16 kern_pcid(u16 asid)
|
|||
|
||||
#ifdef CONFIG_PAGE_TABLE_ISOLATION
|
||||
/*
|
||||
* Make sure that the dynamic ASID space does not confict with the
|
||||
* Make sure that the dynamic ASID space does not conflict with the
|
||||
* bit we are using to switch between user and kernel ASIDs.
|
||||
*/
|
||||
BUILD_BUG_ON(TLB_NR_DYN_ASIDS >= (1 << X86_CR3_PTI_PCID_USER_BIT));
|
||||
|
|
@ -736,7 +736,7 @@ static void flush_tlb_func_common(const struct flush_tlb_info *f,
|
|||
* 3, we'd be break the invariant: we'd update local_tlb_gen above
|
||||
* 1 without the full flush that's needed for tlb_gen 2.
|
||||
*
|
||||
* 2. f->new_tlb_gen == mm_tlb_gen. This is purely an optimiation.
|
||||
* 2. f->new_tlb_gen == mm_tlb_gen. This is purely an optimization.
|
||||
* Partial TLB flushes are not all that much cheaper than full TLB
|
||||
* flushes, so it seems unlikely that it would be a performance win
|
||||
* to do a partial flush if that won't bring our TLB fully up to
|
||||
|
|
@ -876,7 +876,7 @@ static inline struct flush_tlb_info *get_flush_tlb_info(struct mm_struct *mm,
|
|||
static inline void put_flush_tlb_info(void)
|
||||
{
|
||||
#ifdef CONFIG_DEBUG_VM
|
||||
/* Complete reentrency prevention checks */
|
||||
/* Complete reentrancy prevention checks */
|
||||
barrier();
|
||||
this_cpu_dec(flush_tlb_info_idx);
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1556,7 +1556,7 @@ st: if (is_imm8(insn->off))
|
|||
if (is_imm8(jmp_offset)) {
|
||||
if (jmp_padding) {
|
||||
/* To keep the jmp_offset valid, the extra bytes are
|
||||
* padded before the jump insn, so we substract the
|
||||
* padded before the jump insn, so we subtract the
|
||||
* 2 bytes of jmp_cond insn from INSN_SZ_DIFF.
|
||||
*
|
||||
* If the previous pass already emits an imm8
|
||||
|
|
@ -1631,7 +1631,7 @@ st: if (is_imm8(insn->off))
|
|||
if (jmp_padding) {
|
||||
/* To avoid breaking jmp_offset, the extra bytes
|
||||
* are padded before the actual jmp insn, so
|
||||
* 2 bytes is substracted from INSN_SZ_DIFF.
|
||||
* 2 bytes is subtracted from INSN_SZ_DIFF.
|
||||
*
|
||||
* If the previous pass already emits an imm8
|
||||
* jmp, there is nothing to pad (0 byte).
|
||||
|
|
|
|||
|
|
@ -375,7 +375,7 @@ static const struct dmi_system_id msi_k8t_dmi_table[] = {
|
|||
* The BIOS only gives options "DISABLED" and "AUTO". This code sets
|
||||
* the corresponding register-value to enable the soundcard.
|
||||
*
|
||||
* The soundcard is only enabled, if the mainborad is identified
|
||||
* The soundcard is only enabled, if the mainboard is identified
|
||||
* via DMI-tables and the soundcard is detected to be off.
|
||||
*/
|
||||
static void pci_fixup_msi_k8t_onboard_sound(struct pci_dev *dev)
|
||||
|
|
|
|||
|
|
@ -195,7 +195,7 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
|
|||
}
|
||||
|
||||
/*
|
||||
* Certain firmware versions are way too sentimential and still believe
|
||||
* Certain firmware versions are way too sentimental and still believe
|
||||
* they are exclusive and unquestionable owners of the first physical page,
|
||||
* even though they explicitly mark it as EFI_CONVENTIONAL_MEMORY
|
||||
* (but then write-access it later during SetVirtualAddressMap()).
|
||||
|
|
@ -457,7 +457,7 @@ void __init efi_dump_pagetable(void)
|
|||
* in a kernel thread and user context. Preemption needs to remain disabled
|
||||
* while the EFI-mm is borrowed. mmgrab()/mmdrop() is not used because the mm
|
||||
* can not change under us.
|
||||
* It should be ensured that there are no concurent calls to this function.
|
||||
* It should be ensured that there are no concurrent calls to this function.
|
||||
*/
|
||||
void efi_enter_mm(void)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -726,7 +726,7 @@ void efi_crash_gracefully_on_page_fault(unsigned long phys_addr)
|
|||
* Buggy efi_reset_system() is handled differently from other EFI
|
||||
* Runtime Services as it doesn't use efi_rts_wq. Although,
|
||||
* native_machine_emergency_restart() says that machine_real_restart()
|
||||
* could fail, it's better not to compilcate this fault handler
|
||||
* could fail, it's better not to complicate this fault handler
|
||||
* because this case occurs *very* rarely and hence could be improved
|
||||
* on a need by basis.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -551,7 +551,7 @@ static void __init imr_fixup_memmap(struct imr_device *idev)
|
|||
|
||||
/*
|
||||
* Setup an unlocked IMR around the physical extent of the kernel
|
||||
* from the beginning of the .text secton to the end of the
|
||||
* from the beginning of the .text section to the end of the
|
||||
* .rodata section as one physically contiguous block.
|
||||
*
|
||||
* We don't round up @size since it is already PAGE_SIZE aligned.
|
||||
|
|
|
|||
|
|
@ -187,7 +187,7 @@ bool iosf_mbi_available(void)
|
|||
EXPORT_SYMBOL(iosf_mbi_available);
|
||||
|
||||
/*
|
||||
**************** P-Unit/kernel shared I2C bus arbritration ****************
|
||||
**************** P-Unit/kernel shared I2C bus arbitration ****************
|
||||
*
|
||||
* Some Bay Trail and Cherry Trail devices have the P-Unit and us (the kernel)
|
||||
* share a single I2C bus to the PMIC. Below are helpers to arbitrate the
|
||||
|
|
@ -493,7 +493,7 @@ static void iosf_sideband_debug_init(void)
|
|||
/* mcrx */
|
||||
debugfs_create_x32("mcrx", 0660, iosf_dbg, &dbg_mcrx);
|
||||
|
||||
/* mcr - initiates mailbox tranaction */
|
||||
/* mcr - initiates mailbox transaction */
|
||||
debugfs_create_file("mcr", 0660, iosf_dbg, &dbg_mcr, &iosf_mcr_fops);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -889,7 +889,7 @@ static inline int uv_nmi_kdb_reason(void)
|
|||
* Call KGDB/KDB from NMI handler
|
||||
*
|
||||
* Note that if both KGDB and KDB are configured, then the action of 'kgdb' or
|
||||
* 'kdb' has no affect on which is used. See the KGDB documention for further
|
||||
* 'kdb' has no affect on which is used. See the KGDB documentation for further
|
||||
* information.
|
||||
*/
|
||||
static void uv_call_kgdb_kdb(int cpu, struct pt_regs *regs, int master)
|
||||
|
|
|
|||
Loading…
Reference in New Issue