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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-26 09:25:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-26 09:25:47 -0700
commitea5bc7b977fc7cd2be4065ef41824adc976c807f (patch)
tree4519a12c4792b161a7679368034829ca83e53bd1
parent90e66ce9e817df307045abe40ff64ecf60e3c6ee (diff)
parentdf448cdfc01ffc117702a494ef302e7fb76df78a (diff)
Merge tag 'x86_cleanups_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 cleanups from Borislav Petkov: "Trivial cleanups and fixes all over the place" * tag 'x86_cleanups_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Remove me from IDE/ATAPI section x86/pat: Do not compile stubbed functions when X86_PAT is off x86/asm: Ensure asm/proto.h can be included stand-alone x86/platform/intel/quark: Fix incorrect kernel-doc comment syntax in files x86/msr: Make locally used functions static x86/cacheinfo: Remove unneeded dead-store initialization x86/process/64: Move cpu_current_top_of_stack out of TSS tools/turbostat: Unmark non-kernel-doc comment x86/syscalls: Fix -Wmissing-prototypes warnings from COND_SYSCALL() x86/fpu/math-emu: Fix function cast warning x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes x86: Fix various typos in comments, take #2 x86: Remove unusual Unicode characters from comments x86/kaslr: Return boolean values from a function returning bool x86: Fix various typos in comments x86/setup: Remove unused RESERVE_BRK_ARRAY() stacktrace: Move documentation for arch_stack_walk_reliable() to header x86: Remove duplicate TSC DEADLINE MSR definitions
-rw-r--r--MAINTAINERS3
-rw-r--r--arch/s390/kernel/stacktrace.c6
-rw-r--r--arch/x86/boot/compressed/efi_thunk_64.S2
-rw-r--r--arch/x86/boot/compressed/head_64.S2
-rw-r--r--arch/x86/boot/compressed/kaslr.c4
-rw-r--r--arch/x86/crypto/crc32-pclmul_glue.c2
-rw-r--r--arch/x86/crypto/curve25519-x86_64.c6
-rw-r--r--arch/x86/crypto/twofish-x86_64-asm_64-3way.S2
-rw-r--r--arch/x86/crypto/twofish_glue_3way.c2
-rw-r--r--arch/x86/entry/entry_32.S2
-rw-r--r--arch/x86/entry/entry_64.S2
-rw-r--r--arch/x86/entry/vdso/vdso2c.c2
-rw-r--r--arch/x86/entry/vdso/vdso32/system_call.S2
-rw-r--r--arch/x86/entry/vdso/vma.c2
-rw-r--r--arch/x86/entry/vdso/vsgx.S2
-rw-r--r--arch/x86/events/amd/core.c2
-rw-r--r--arch/x86/events/amd/iommu.h2
-rw-r--r--arch/x86/events/core.c2
-rw-r--r--arch/x86/events/intel/bts.c2
-rw-r--r--arch/x86/events/intel/core.c14
-rw-r--r--arch/x86/events/intel/ds.c2
-rw-r--r--arch/x86/events/intel/lbr.c2
-rw-r--r--arch/x86/events/intel/p4.c6
-rw-r--r--arch/x86/events/intel/pt.c2
-rw-r--r--arch/x86/events/intel/uncore_snbep.c12
-rw-r--r--arch/x86/events/zhaoxin/core.c2
-rw-r--r--arch/x86/hyperv/hv_init.c4
-rw-r--r--arch/x86/include/asm/agp.h2
-rw-r--r--arch/x86/include/asm/cmpxchg.h2
-rw-r--r--arch/x86/include/asm/elf.h10
-rw-r--r--arch/x86/include/asm/idtentry.h2
-rw-r--r--arch/x86/include/asm/intel_pconfig.h2
-rw-r--r--arch/x86/include/asm/intel_pt.h2
-rw-r--r--arch/x86/include/asm/io.h2
-rw-r--r--arch/x86/include/asm/irq_stack.h2
-rw-r--r--arch/x86/include/asm/kvm_host.h4
-rw-r--r--arch/x86/include/asm/msr-index.h2
-rw-r--r--arch/x86/include/asm/nospec-branch.h2
-rw-r--r--arch/x86/include/asm/paravirt_types.h2
-rw-r--r--arch/x86/include/asm/pgtable.h2
-rw-r--r--arch/x86/include/asm/processor.h12
-rw-r--r--arch/x86/include/asm/proto.h2
-rw-r--r--arch/x86/include/asm/set_memory.h4
-rw-r--r--arch/x86/include/asm/setup.h5
-rw-r--r--arch/x86/include/asm/sgx.h2
-rw-r--r--arch/x86/include/asm/switch_to.h7
-rw-r--r--arch/x86/include/asm/syscall_wrapper.h1
-rw-r--r--arch/x86/include/asm/thread_info.h8
-rw-r--r--arch/x86/include/asm/uv/uv_geo.h2
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h2
-rw-r--r--arch/x86/include/uapi/asm/bootparam.h4
-rw-r--r--arch/x86/include/uapi/asm/msgbuf.h2
-rw-r--r--arch/x86/include/uapi/asm/sgx.h2
-rw-r--r--arch/x86/include/uapi/asm/shmbuf.h2
-rw-r--r--arch/x86/include/uapi/asm/sigcontext.h2
-rw-r--r--arch/x86/kernel/acpi/boot.c4
-rw-r--r--arch/x86/kernel/acpi/sleep.c2
-rw-r--r--arch/x86/kernel/amd_nb.c2
-rw-r--r--arch/x86/kernel/apic/apic.c10
-rw-r--r--arch/x86/kernel/apic/io_apic.c8
-rw-r--r--arch/x86/kernel/apic/vector.c4
-rw-r--r--arch/x86/kernel/apm_32.c6
-rw-r--r--arch/x86/kernel/cpu/cacheinfo.c2
-rw-r--r--arch/x86/kernel/cpu/common.c6
-rw-r--r--arch/x86/kernel/cpu/cyrix.c2
-rw-r--r--arch/x86/kernel/cpu/intel.c2
-rw-r--r--arch/x86/kernel/cpu/mce/core.c2
-rw-r--r--arch/x86/kernel/cpu/mce/severity.c2
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c4
-rw-r--r--arch/x86/kernel/cpu/mtrr/cleanup.c2
-rw-r--r--arch/x86/kernel/cpu/mtrr/mtrr.c2
-rw-r--r--arch/x86/kernel/cpu/resctrl/core.c2
-rw-r--r--arch/x86/kernel/cpu/resctrl/monitor.c6
-rw-r--r--arch/x86/kernel/cpu/resctrl/pseudo_lock.c4
-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c6
-rw-r--r--arch/x86/kernel/cpu/sgx/main.c4
-rw-r--r--arch/x86/kernel/cpu/topology.c4
-rw-r--r--arch/x86/kernel/e820.c2
-rw-r--r--arch/x86/kernel/fpu/xstate.c2
-rw-r--r--arch/x86/kernel/head64.c2
-rw-r--r--arch/x86/kernel/idt.c2
-rw-r--r--arch/x86/kernel/irq.c2
-rw-r--r--arch/x86/kernel/kgdb.c4
-rw-r--r--arch/x86/kernel/kprobes/ftrace.c2
-rw-r--r--arch/x86/kernel/machine_kexec_64.c2
-rw-r--r--arch/x86/kernel/process.c9
-rw-r--r--arch/x86/kernel/pvclock.c2
-rw-r--r--arch/x86/kernel/relocate_kernel_32.S2
-rw-r--r--arch/x86/kernel/relocate_kernel_64.S2
-rw-r--r--arch/x86/kernel/setup.c6
-rw-r--r--arch/x86/kernel/signal.c2
-rw-r--r--arch/x86/kernel/smp.c4
-rw-r--r--arch/x86/kernel/smpboot.c2
-rw-r--r--arch/x86/kernel/stacktrace.c6
-rw-r--r--arch/x86/kernel/sysfb_efi.c2
-rw-r--r--arch/x86/kernel/topology.c2
-rw-r--r--arch/x86/kernel/traps.c2
-rw-r--r--arch/x86/kernel/tsc.c6
-rw-r--r--arch/x86/kernel/tsc_sync.c2
-rw-r--r--arch/x86/kernel/umip.c2
-rw-r--r--arch/x86/kvm/cpuid.c2
-rw-r--r--arch/x86/kvm/emulate.c2
-rw-r--r--arch/x86/kvm/irq_comm.c2
-rw-r--r--arch/x86/kvm/mmu/mmu.c2
-rw-r--r--arch/x86/kvm/mmu/mmu_internal.h2
-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c6
-rw-r--r--arch/x86/kvm/pmu.h2
-rw-r--r--arch/x86/kvm/svm/avic.c4
-rw-r--r--arch/x86/kvm/svm/sev.c2
-rw-r--r--arch/x86/kvm/svm/svm.c2
-rw-r--r--arch/x86/kvm/vmx/nested.c2
-rw-r--r--arch/x86/kvm/vmx/posted_intr.c2
-rw-r--r--arch/x86/kvm/vmx/vmx.c6
-rw-r--r--arch/x86/kvm/x86.c14
-rw-r--r--arch/x86/lib/insn-eval.c6
-rw-r--r--arch/x86/lib/mmx_32.c2
-rw-r--r--arch/x86/lib/msr-smp.c4
-rw-r--r--arch/x86/lib/msr.c4
-rw-r--r--arch/x86/math-emu/fpu_trig.c11
-rw-r--r--arch/x86/math-emu/reg_ld_str.c2
-rw-r--r--arch/x86/math-emu/reg_round.S2
-rw-r--r--arch/x86/mm/fault.c4
-rw-r--r--arch/x86/mm/init.c6
-rw-r--r--arch/x86/mm/init_64.c6
-rw-r--r--arch/x86/mm/kaslr.c2
-rw-r--r--arch/x86/mm/kmmio.c2
-rw-r--r--arch/x86/mm/mem_encrypt_boot.S2
-rw-r--r--arch/x86/mm/pat/memtype.c4
-rw-r--r--arch/x86/mm/pat/set_memory.c2
-rw-r--r--arch/x86/mm/pkeys.c2
-rw-r--r--arch/x86/mm/pti.c11
-rw-r--r--arch/x86/mm/tlb.c6
-rw-r--r--arch/x86/net/bpf_jit_comp.c4
-rw-r--r--arch/x86/pci/fixup.c2
-rw-r--r--arch/x86/platform/efi/efi_64.c4
-rw-r--r--arch/x86/platform/efi/quirks.c4
-rw-r--r--arch/x86/platform/intel-quark/imr.c4
-rw-r--r--arch/x86/platform/intel-quark/imr_selftest.c2
-rw-r--r--arch/x86/platform/intel/iosf_mbi.c4
-rw-r--r--arch/x86/platform/olpc/olpc-xo15-sci.c2
-rw-r--r--arch/x86/platform/olpc/olpc_dt.c2
-rw-r--r--arch/x86/platform/pvh/head.S6
-rw-r--r--arch/x86/platform/uv/uv_nmi.c2
-rw-r--r--arch/x86/power/cpu.c2
-rw-r--r--arch/x86/realmode/init.c2
-rw-r--r--arch/x86/xen/mmu_pv.c2
-rw-r--r--include/linux/stacktrace.h19
-rw-r--r--tools/arch/x86/include/asm/msr-index.h2
-rwxr-xr-xtools/perf/trace/beauty/tracepoints/x86_msr.sh2
-rw-r--r--tools/power/x86/turbostat/turbostat.c2
150 files changed, 259 insertions, 277 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 85b7e7814483..837457cf70a6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8612,9 +8612,8 @@ F: drivers/ide/
F: include/linux/ide.h
IDE/ATAPI DRIVERS
-M: Borislav Petkov <bp@alien8.de>
L: linux-ide@vger.kernel.org
-S: Maintained
+S: Orphan
F: Documentation/cdrom/ide-cd.rst
F: drivers/ide/ide-cd*
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 7f1266c24f6b..101477b3e263 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -24,12 +24,6 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
}
}
-/*
- * This function returns an error if it detects any unreliable features of the
- * stack. Otherwise it guarantees that the stack trace is reliable.
- *
- * If the task is not 'current', the caller *must* ensure the task is inactive.
- */
int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
void *cookie, struct task_struct *task)
{
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S
index c4bb0f9363f5..95a223b3e56a 100644
--- a/arch/x86/boot/compressed/efi_thunk_64.S
+++ b/arch/x86/boot/compressed/efi_thunk_64.S
@@ -5,7 +5,7 @@
* Early support for invoking 32-bit EFI services from a 64-bit kernel.
*
* Because this thunking occurs before ExitBootServices() we have to
- * restore the firmware's 32-bit GDT before we make EFI serivce calls,
+ * restore the firmware's 32-bit GDT before we make EFI service calls,
* since the firmware's 32-bit IDT is still currently installed and it
* needs to be able to service interrupts.
*
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 91ea0d550ada..a2347ded77ea 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -252,7 +252,7 @@ SYM_FUNC_START(startup_32)
/*
* Setup for the jump to 64bit mode
*
- * When the jump is performend we will be in long mode but
+ * When the jump is performed we will be in long mode but
* in 32bit compatibility mode with EFER.LME = 1, CS.L = 0, CS.D = 1
* (and in turn EFER.LMA = 1). To jump into 64bit mode we use
* the new gdt/idt that has __KERNEL_CS with CS.L = 1.
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index b92fffbe761f..e36690778497 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -639,9 +639,9 @@ static bool process_mem_region(struct mem_vector *region,
if (slot_area_index == MAX_SLOT_AREA) {
debug_putstr("Aborted e820/efi memmap scan (slot_areas full)!\n");
- return 1;
+ return true;
}
- return 0;
+ return false;
}
#if defined(CONFIG_MEMORY_HOTREMOVE) && defined(CONFIG_ACPI)
diff --git a/arch/x86/crypto/crc32-pclmul_glue.c b/arch/x86/crypto/crc32-pclmul_glue.c
index 7c4c7b2fbf05..98cf3b4e4c9f 100644
--- a/arch/x86/crypto/crc32-pclmul_glue.c
+++ b/arch/x86/crypto/crc32-pclmul_glue.c
@@ -24,7 +24,7 @@
/*
* Copyright 2012 Xyratex Technology Limited
*
- * Wrappers for kernel crypto shash api to pclmulqdq crc32 imlementation.
+ * Wrappers for kernel crypto shash api to pclmulqdq crc32 implementation.
*/
#include <linux/init.h>
#include <linux/module.h>
diff --git a/arch/x86/crypto/curve25519-x86_64.c b/arch/x86/crypto/curve25519-x86_64.c
index 5af8021b98ce..6706b6cb1d0f 100644
--- a/arch/x86/crypto/curve25519-x86_64.c
+++ b/arch/x86/crypto/curve25519-x86_64.c
@@ -114,11 +114,11 @@ static inline void fadd(u64 *out, const u64 *f1, const u64 *f2)
);
}
-/* Computes the field substraction of two field elements */
+/* Computes the field subtraction of two field elements */
static inline void fsub(u64 *out, const u64 *f1, const u64 *f2)
{
asm volatile(
- /* Compute the raw substraction of f1-f2 */
+ /* Compute the raw subtraction of f1-f2 */
" movq 0(%1), %%r8;"
" subq 0(%2), %%r8;"
" movq 8(%1), %%r9;"
@@ -135,7 +135,7 @@ static inline void fsub(u64 *out, const u64 *f1, const u64 *f2)
" mov $38, %%rcx;"
" cmovc %%rcx, %%rax;"
- /* Step 2: Substract carry*38 from the original difference */
+ /* Step 2: Subtract carry*38 from the original difference */
" sub %%rax, %%r8;"
" sbb $0, %%r9;"
" sbb $0, %%r10;"
diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
index fc23552afe37..bca4cea757ce 100644
--- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
+++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
@@ -88,7 +88,7 @@
/*
* Combined G1 & G2 function. Reordered with help of rotates to have moves
- * at begining.
+ * at beginning.
*/
#define g1g2_3(ab, cd, Tx0, Tx1, Tx2, Tx3, Ty0, Ty1, Ty2, Ty3, x, y) \
/* G1,1 && G2,1 */ \
diff --git a/arch/x86/crypto/twofish_glue_3way.c b/arch/x86/crypto/twofish_glue_3way.c
index 03725696397c..3507cf2064f1 100644
--- a/arch/x86/crypto/twofish_glue_3way.c
+++ b/arch/x86/crypto/twofish_glue_3way.c
@@ -117,7 +117,7 @@ static bool is_blacklisted_cpu(void)
* storing blocks in 64bit registers to allow three blocks to
* be processed parallel. Parallel operation then allows gaining
* more performance than was trade off, on out-of-order CPUs.
- * However Atom does not benefit from this parallellism and
+ * However Atom does not benefit from this parallelism and
* should be blacklisted.
*/
return true;
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 96f084868ec7..ff0034740900 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -209,7 +209,7 @@
*
* Lets build a 5 entry IRET frame after that, such that struct pt_regs
* is complete and in particular regs->sp is correct. This gives us
- * the original 6 enties as gap:
+ * the original 6 entries as gap:
*
* 14*4(%esp) - <previous context>
* 13*4(%esp) - gap / flags
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 12e2e3cd58be..a16a5294d55f 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -511,7 +511,7 @@ SYM_CODE_START(\asmsym)
/*
* No need to switch back to the IST stack. The current stack is either
* identical to the stack in the IRET frame or the VC fall-back stack,
- * so it is definitly mapped even with PTI enabled.
+ * so it is definitely mapped even with PTI enabled.
*/
jmp paranoid_exit
diff --git a/arch/x86/entry/vdso/vdso2c.c b/arch/x86/entry/vdso/vdso2c.c
index 2d0f3d8bcc25..edfe9780f6d1 100644
--- a/arch/x86/entry/vdso/vdso2c.c
+++ b/arch/x86/entry/vdso/vdso2c.c
@@ -218,7 +218,7 @@ int main(int argc, char **argv)
/*
* Figure out the struct name. If we're writing to a .so file,
- * generate raw output insted.
+ * generate raw output instead.
*/
name = strdup(argv[3]);
namelen = strlen(name);
diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
index d6a6080bade0..6ddd7a937b3e 100644
--- a/arch/x86/entry/vdso/vdso32/system_call.S
+++ b/arch/x86/entry/vdso/vdso32/system_call.S
@@ -29,7 +29,7 @@ __kernel_vsyscall:
* anyone with an AMD CPU, for example). Nonetheless, we try to keep
* it working approximately as well as it ever worked.
*
- * This link may eludicate some of the history:
+ * This link may elucidate some of the history:
* https://android-review.googlesource.com/#/q/Iac3295376d61ef83e713ac9b528f3b50aa780cd7
* personally, I find it hard to understand what's going on there.
*
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index 825e829ffff1..235a5794296a 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -358,7 +358,7 @@ int map_vdso_once(const struct vdso_image *image, unsigned long addr)
mmap_write_lock(mm);
/*
* Check if we have already mapped vdso blob - fail to prevent
- * abusing from userspace install_speciall_mapping, which may
+ * abusing from userspace install_special_mapping, which may
* not do accounting and rlimit right.
* We could search vma near context.vdso, but it's a slowpath,
* so let's explicitly check all VMAs to be completely sure.
diff --git a/arch/x86/entry/vdso/vsgx.S b/arch/x86/entry/vdso/vsgx.S
index 86a0e94f68df..99dafac992e2 100644
--- a/arch/x86/entry/vdso/vsgx.S
+++ b/arch/x86/entry/vdso/vsgx.S
@@ -137,7 +137,7 @@ SYM_FUNC_START(__vdso_sgx_enter_enclave)
/*
* If the return from callback is zero or negative, return immediately,
- * else re-execute ENCLU with the postive return value interpreted as
+ * else re-execute ENCLU with the positive return value interpreted as
* the requested ENCLU function.
*/
cmp $0, %eax
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 2c1791c4a518..9687a8aef01c 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -623,7 +623,7 @@ static void amd_pmu_disable_all(void)
/*
* Check each counter for overflow and wait for it to be reset by the
* NMI if it has overflowed. This relies on the fact that all active
- * counters are always enabled when this function is caled and
+ * counters are always enabled when this function is called and
* ARCH_PERFMON_EVENTSEL_INT is always set.
*/
for (idx = 0; idx < x86_pmu.num_counters; idx++) {
diff --git a/arch/x86/events/amd/iommu.h b/arch/x86/events/amd/iommu.h
index 0e5c036fd7be..e6493a67f1c6 100644
--- a/arch/x86/events/amd/iommu.h
+++ b/arch/x86/events/amd/iommu.h
@@ -17,7 +17,7 @@
#define IOMMU_PC_DEVID_MATCH_REG 0x20
#define IOMMU_PC_COUNTER_REPORT_REG 0x28
-/* maximun specified bank/counters */
+/* maximum specified bank/counters */
#define PC_MAX_SPEC_BNKS 64
#define PC_MAX_SPEC_CNTRS 16
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 18df17129695..4c31cae4707e 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -765,7 +765,7 @@ struct perf_sched {
};
/*
- * Initialize interator that runs through all events and counters.
+ * Initialize iterator that runs through all events and counters.
*/
static void perf_sched_init(struct perf_sched *sched, struct event_constraint **constraints,
int num, int wmin, int wmax, int gpmax)
diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 731dd8d0dbb1..6320d2cfd9d3 100644
--- a/arch/x86/events/intel/bts.c
+++ b/arch/x86/events/intel/bts.c
@@ -594,7 +594,7 @@ static __init int bts_init(void)
* we cannot use the user mapping since it will not be available
* if we're not running the owning process.
*
- * With PTI we can't use the kernal map either, because its not
+ * With PTI we can't use the kernel map either, because its not
* there when we run userspace.
*
* For now, disable this driver when using PTI.
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index c57ec8e27907..3fd69bd5fa6e 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -137,7 +137,7 @@ static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */
- INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */
+ INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMPTY */
INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */
INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */
INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
@@ -2186,7 +2186,7 @@ static void intel_pmu_enable_all(int added)
* magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either
* in sequence on the same PMC or on different PMCs.
*
- * In practise it appears some of these events do in fact count, and
+ * In practice it appears some of these events do in fact count, and
* we need to program all 4 events.
*/
static void intel_pmu_nhm_workaround(void)
@@ -2435,7 +2435,7 @@ static inline u64 icl_get_metrics_event_value(u64 metric, u64 slots, int idx)
/*
* The metric is reported as an 8bit integer fraction
- * suming up to 0xff.
+ * summing up to 0xff.
* slots-in-metric = (Metric / 0xff) * slots
*/
val = (metric >> ((idx - INTEL_PMC_IDX_METRIC_BASE) * 8)) & 0xff;
@@ -2776,7 +2776,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status)
* processing loop coming after that the function, otherwise
* phony regular samples may be generated in the sampling buffer
* not marked with the EXACT tag. Another possibility is to have
- * one PEBS event and at least one non-PEBS event whic hoverflows
+ * one PEBS event and at least one non-PEBS event which overflows
* while PEBS has armed. In this case, bit 62 of GLOBAL_STATUS will
* not be set, yet the overflow status bit for the PEBS counter will
* be on Skylake.
@@ -2824,7 +2824,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status)
}
/*
- * Intel Perf mertrics
+ * Intel Perf metrics
*/
if (__test_and_clear_bit(GLOBAL_STATUS_PERF_METRICS_OVF_BIT, (unsigned long *)&status)) {
handled++;
@@ -4594,7 +4594,7 @@ static bool check_msr(unsigned long msr, u64 mask)
/*
* Disable the check for real HW, so we don't
- * mess with potentionaly enabled registers:
+ * mess with potentially enabled registers:
*/
if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
return true;
@@ -4659,7 +4659,7 @@ static __init void intel_arch_events_quirk(void)
{
int bit;
- /* disable event that reported as not presend by cpuid */
+ /* disable event that reported as not present by cpuid */
for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) {
intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0;
pr_warn("CPUID marked event: \'%s\' unavailable\n",
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index d32b302719fe..5aabb0e2964a 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1805,7 +1805,7 @@ intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
*
* [-period, 0]
*
- * the difference between two consequtive reads is:
+ * the difference between two consecutive reads is:
*
* A) value2 - value1;
* when no overflows have happened in between,
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 21890dacfcfe..acb04ef3da3f 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -1198,7 +1198,7 @@ static int branch_type(unsigned long from, unsigned long to, int abort)
/*
* The LBR logs any address in the IP, even if the IP just
* faulted. This means userspace can control the from address.
- * Ensure we don't blindy read any address by validating it is
+ * Ensure we don't blindly read any address by validating it is
* a known text address.
*/
if (kernel_text_address(from)) {
diff --git a/arch/x86/events/intel/p4.c b/arch/x86/events/intel/p4.c
index a4cc66005ce8..971dffe0b77d 100644
--- a/arch/x86/events/intel/p4.c
+++ b/arch/x86/events/intel/p4.c
@@ -24,7 +24,7 @@ struct p4_event_bind {
unsigned int escr_msr[2]; /* ESCR MSR for this event */
unsigned int escr_emask; /* valid ESCR EventMask bits */
unsigned int shared; /* event is shared across threads */
- char cntr[2][P4_CNTR_LIMIT]; /* counter index (offset), -1 on abscence */
+ char cntr[2][P4_CNTR_LIMIT]; /* counter index (offset), -1 on absence */
};
struct p4_pebs_bind {
@@ -45,7 +45,7 @@ struct p4_pebs_bind {
* it's needed for mapping P4_PEBS_CONFIG_METRIC_MASK bits of
* event configuration to find out which values are to be
* written into MSR_IA32_PEBS_ENABLE and MSR_P4_PEBS_MATRIX_VERT
- * resgisters
+ * registers
*/
static struct p4_pebs_bind p4_pebs_bind_map[] = {
P4_GEN_PEBS_BIND(1stl_cache_load_miss_retired, 0x0000001, 0x0000001),
@@ -1313,7 +1313,7 @@ static __initconst const struct x86_pmu p4_pmu = {
.get_event_constraints = x86_get_event_constraints,
/*
* IF HT disabled we may need to use all
- * ARCH_P4_MAX_CCCR counters simulaneously
+ * ARCH_P4_MAX_CCCR counters simultaneously
* though leave it restricted at moment assuming
* HT is on
*/
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index e94af4a54d0d..915847655c06 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -362,7 +362,7 @@ static bool pt_event_valid(struct perf_event *event)
/*
* Setting bit 0 (TraceEn in RTIT_CTL MSR) in the attr.config
- * clears the assomption that BranchEn must always be enabled,
+ * clears the assumption that BranchEn must always be enabled,
* as was the case with the first implementation of PT.
* If this bit is not set, the legacy behavior is preserved
* for compatibility with the older userspace.
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 9b8937631838..4bba0491068c 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -280,17 +280,17 @@
* | [63] | 00h | VALID - When set, indicates the CPU bus
* numbers have been initialized. (RO)
* |[62:48]| --- | Reserved
- * |[47:40]| 00h | BUS_NUM_5 — Return the bus number BIOS assigned
+ * |[47:40]| 00h | BUS_NUM_5 - Return the bus number BIOS assigned
* CPUBUSNO(5). (RO)
- * |[39:32]| 00h | BUS_NUM_4 — Return the bus number BIOS assigned
+ * |[39:32]| 00h | BUS_NUM_4 - Return the bus number BIOS assigned
* CPUBUSNO(4). (RO)
- * |[31:24]| 00h | BUS_NUM_3 — Return the bus number BIOS assigned
+ * |[31:24]| 00h | BUS_NUM_3 - Return the bus number BIOS assigned
* CPUBUSNO(3). (RO)
- * |[23:16]| 00h | BUS_NUM_2 — Return the bus number BIOS assigned
+ * |[23:16]| 00h | BUS_NUM_2 - Return the bus number BIOS assigned
* CPUBUSNO(2). (RO)
- * |[15:8] | 00h | BUS_NUM_1 — Return the bus number BIOS assigned
+ * |[15:8] | 00h | BUS_NUM_1 - Return the bus number BIOS assigned
* CPUBUSNO(1). (RO)
- * | [7:0] | 00h | BUS_NUM_0 — Return the bus number BIOS assigned
+ * | [7:0] | 00h | BUS_NUM_0 - Return the bus number BIOS assigned
* CPUBUSNO(0). (RO)
*/
#define SKX_MSR_CPU_BUS_NUMBER 0x300
diff --git a/arch/x86/events/zhaoxin/core.c b/arch/x86/events/zhaoxin/core.c
index e68827e604ad..949d845c922b 100644
--- a/arch/x86/events/zhaoxin/core.c
+++ b/arch/x86/events/zhaoxin/core.c
@@ -494,7 +494,7 @@ static __init void zhaoxin_arch_events_quirk(void)
{
int bit;
- /* disable event that reported as not presend by cpuid */
+ /* disable event that reported as not present by cpuid */
for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(zx_arch_events_map)) {
zx_pmon_event_map[zx_arch_events_map[bit].id] = 0;
pr_warn("CPUID marked event: \'%s\' unavailable\n",
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index b81047dec1da..e7b94f636cc1 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -162,7 +162,7 @@ EXPORT_SYMBOL_GPL(hyperv_stop_tsc_emulation);
static inline bool hv_reenlightenment_available(void)
{
/*
- * Check for required features and priviliges to make TSC frequency
+ * Check for required features and privileges to make TSC frequency
* change notifications work.
*/
return ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
@@ -292,7 +292,7 @@ static int hv_suspend(void)
/*
* Reset the hypercall page as it is going to be invalidated
- * accross hibernation. Setting hv_hypercall_pg to NULL ensures
+ * across hibernation. Setting hv_hypercall_pg to NULL ensures
* that any subsequent hypercall operation fails safely instead of
* crashing due to an access of an invalid page. The hypercall page
* pointer is restored on resume.
diff --git a/arch/x86/include/asm/agp.h b/arch/x86/include/asm/agp.h
index 62da760d6d5a..cd7b14322035 100644
--- a/arch/x86/include/asm/agp.h
+++ b/arch/x86/include/asm/agp.h
@@ -9,7 +9,7 @@
* Functions to keep the agpgart mappings coherent with the MMU. The
* GART gives the CPU a physical alias of pages in memory. The alias
* region is mapped uncacheable. Make sure there are no conflicting
- * mappings with different cachability attributes for the same
+ * mappings with different cacheability attributes for the same
* page. This avoids data corruption on some CPUs.
*/
diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
index 4d4ec5cbdc51..94fbe6ae7431 100644
--- a/arch/x86/include/asm/cmpxchg.h
+++ b/arch/x86/include/asm/cmpxchg.h
@@ -22,7 +22,7 @@ extern void __add_wrong_size(void)
/*
* Constants for operation sizes. On 32-bit, the 64-bit size it set to
* -1 because sizeof will never return -1, thereby making those switch
- * case statements guaranteeed dead code which the compiler will
+ * case statements guaranteed dead code which the compiler will
* eliminate, and allowing the "missing symbol in the default case" to
* indicate a usage error.
*/
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 9224d40cdefe..7d7500806af8 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -283,12 +283,12 @@ extern u32 elf_hwcap2;
*
* The decision process for determining the results are:
*
- *              CPU: | lacks NX*  | has NX, ia32     | has NX, x86_64 |
- * ELF:              |            |                  |                |
+ * CPU: | lacks NX* | has NX, ia32 | has NX, x86_64 |
+ * ELF: | | | |
* ---------------------|------------|------------------|----------------|
- * missing PT_GNU_STACK | exec-all   | exec-all         | exec-none      |
- * PT_GNU_STACK == RWX  | exec-stack | exec-stack       | exec-stack     |
- * PT_GNU_STACK == RW   | exec-none  | exec-none        | exec-none      |
+ * missing PT_GNU_STACK | exec-all | exec-all | exec-none |
+ * PT_GNU_STACK == RWX | exec-stack | exec-stack | exec-stack |
+ * PT_GNU_STACK == RW | exec-none | exec-none | exec-none |
*
* exec-all : all PROT_READ user mappings are executable, except when
* backed by files on a noexec-filesystem.
diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h
index 5eb3bdf36a41..e35e342673c7 100644
--- a/arch/x86/include/asm/idtentry.h
+++ b/arch/x86/include/asm/idtentry.h
@@ -547,7 +547,7 @@ SYM_CODE_END(spurious_entries_start)
/*
* Dummy trap number so the low level ASM macro vector number checks do not
* match which results in emitting plain IDTENTRY stubs without bells and
- * whistels.
+ * whistles.
*/
#define X86_TRAP_OTHER 0xFFFF
diff --git a/arch/x86/include/asm/intel_pconfig.h b/arch/x86/include/asm/intel_pconfig.h
index 3cb002b1d0f9..994638ef171b 100644
--- a/arch/x86/include/asm/intel_pconfig.h
+++ b/arch/x86/include/asm/intel_pconfig.h
@@ -38,7 +38,7 @@ enum pconfig_leaf {
#define MKTME_INVALID_ENC_ALG 4
#define MKTME_DEVICE_BUSY 5
-/* Hardware requires the structure to be 256 byte alinged. Otherwise #GP(0). */
+/* Hardware requires the structure to be 256 byte aligned. Otherwise #GP(0). */
struct mktme_key_program {
u16 keyid;
u32 keyid_ctrl;
diff --git a/arch/x86/include/asm/intel_pt.h b/arch/x86/include/asm/intel_pt.h
index 423b788f495e..ebe8d2ea44fe 100644
--- a/arch/x86/include/asm/intel_pt.h
+++ b/arch/x86/include/asm/intel_pt.h
@@ -3,7 +3,7 @@
#define _ASM_X86_INTEL_PT_H
#define PT_CPUID_LEAVES 2
-#define PT_CPUID_REGS_NUM 4 /* number of regsters (eax, ebx, ecx, edx) */
+#define PT_CPUID_REGS_NUM 4 /* number of registers (eax, ebx, ecx, edx) */
enum pt_capabilities {
PT_CAP_max_subleaf = 0,
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index d726459d08e5..841a5d104afa 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -159,7 +159,7 @@ static inline void *phys_to_virt(phys_addr_t address)
/*
* ISA I/O bus memory addresses are 1:1 with the physical address.
* However, we truncate the address to unsigned int to avoid undesirable
- * promitions in legacy drivers.
+ * promotions in legacy drivers.
*/
static inline unsigned int isa_virt_to_bus(volatile void *address)
{
diff --git a/arch/x86/include/asm/irq_stack.h b/arch/x86/include/asm/irq_stack.h
index 9b2a0ff76c73..562854c60808 100644
--- a/arch/x86/include/asm/irq_stack.h
+++ b/arch/x86/include/asm/irq_stack.h
@@ -190,7 +190,7 @@
/*
* Macro to invoke __do_softirq on the irq stack. This is only called from
- * task context when bottom halfs are about to be reenabled and soft
+ * task context when bottom halves are about to be reenabled and soft
* interrupts are pending to be processed. The interrupt stack cannot be in
* use here.
*/
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3768819693e5..10eca9e8f7f6 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1488,7 +1488,7 @@ extern u64 kvm_mce_cap_supported;
/*
* EMULTYPE_NO_DECODE - Set when re-emulating an instruction (after completing
* userspace I/O) to indicate that the emulation context
- * should be resued as is, i.e. skip initialization of
+ * should be reused as is, i.e. skip initialization of
* emulation context, instruction fetch and decode.
*
* EMULTYPE_TRAP_UD - Set when emulating an intercepted #UD from hardware.
@@ -1513,7 +1513,7 @@ extern u64 kvm_mce_cap_supported;
*
* EMULTYPE_VMWARE_GP - Set when emulating an intercepted #GP for VMware
* backdoor emulation, which is opt in via module param.
- * VMware backoor emulation handles select instructions
+ * VMware backdoor emulation handles select instructions
* and reinjects the #GP for all other cases.
*
* EMULTYPE_PF - Set when emulating MMIO by way of an intercepted #PF, in which
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 546d6ecf0a35..45029354e0a8 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -628,8 +628,6 @@
#define MSR_IA32_APICBASE_ENABLE (1<<11)
#define MSR_IA32_APICBASE_BASE (0xfffff<<12)
-#define MSR_IA32_TSCDEADLINE 0x000006e0
-
#define MSR_IA32_UCODE_WRITE 0x00000079
#define MSR_IA32_UCODE_REV 0x0000008b
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index 529f8e9380d8..c14fb80b9a07 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -32,7 +32,7 @@
/*
* Google experimented with loop-unrolling and this turned out to be
- * the optimal version — two calls, each with their own speculation
+ * the optimal version - two calls, each with their own speculation
* trap should their return address end up getting used, in a loop.
*/
#define __FILL_RETURN_BUFFER(reg, nr, sp) \
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 9d1ddb7b4350..ae692c3194e9 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -339,7 +339,7 @@ int paravirt_disable_iospace(void);
* on the stack. All caller-save registers (eax,edx,ecx) are expected
* to be modified (either clobbered or used for return values).
* X86_64, on the other hand, already specifies a register-based calling
- * conventions, returning at %rax, with parameteres going on %rdi, %rsi,
+ * conventions, returning at %rax, with parameters going on %rdi, %rsi,
* %rdx, and %rcx. Note that for this reason, x86_64 does not need any
* special handling for dealing with 4 arguments, unlike i386.
* However, x86_64 also have to clobber all caller saved registers, which
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index a02c67291cfc..b1099f2d9800 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1244,7 +1244,7 @@ static inline p4d_t *user_to_kernel_p4dp(p4d_t *p4dp)
/*
* clone_pgd_range(pgd_t *dst, pgd_t *src, int count);
*
- * dst - pointer to pgd range anwhere on a pgd page
+ * dst - pointer to pgd range anywhere on a pgd page
* src - ""
* count - the number of pgds to copy.
*
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index f1b9ed5efaa9..185142b84ebe 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -314,11 +314,6 @@ struct x86_hw_tss {
struct x86_hw_tss {
u32 reserved1;
u64 sp0;
-
- /*
- * We store cpu_current_top_of_stack in sp1 so it's always accessible.
- * Linux does not use ring 1, so sp1 is not otherwise needed.
- */
u64 sp1;
/*
@@ -426,12 +421,7 @@ struct irq_stack {
char stack[IRQ_STACK_SIZE];
} __aligned(IRQ_STACK_SIZE);
-#ifdef CONFIG_X86_32
DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack);
-#else
-/* The RO copy can't be accessed with this_cpu_xyz(), so use the RW copy. */
-#define cpu_current_top_of_stack cpu_tss_rw.x86_tss.sp1
-#endif
#ifdef CONFIG_X86_64
struct fixed_percpu_data {
@@ -527,7 +517,7 @@ struct thread_struct {
struct io_bitmap *io_bitmap;
/*
- * IOPL. Priviledge level dependent I/O permission which is
+ * IOPL. Privilege level dependent I/O permission which is
* emulated via the I/O bitmap to prevent user space from disabling
* interrupts.
*/
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index b6a9d51d1d79..8c5d1910a848 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -4,6 +4,8 @@
#include <asm/ldt.h>
+struct task_struct;
+
/* misc architecture specific prototypes */
void syscall_init(void);
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index 4352f08bfbb5..43fa081a1adb 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -8,8 +8,8 @@
/*
* The set_memory_* API can be used to change various attributes of a virtual
* address range. The attributes include:
- * Cachability : UnCached, WriteCombining, WriteThrough, WriteBack
- * Executability : eXeutable, NoteXecutable
+ * Cacheability : UnCached, WriteCombining, WriteThrough, WriteBack
+ * Executability : eXecutable, NoteXecutable
* Read/Write : ReadOnly, ReadWrite
* Presence : NotPresent
* Encryption : Encrypted, Decrypted
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 389d851a02c4..a12458a7a8d4 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -130,11 +130,6 @@ void *extend_brk(size_t size, size_t align);
: : "i" (sz)); \
}
-/* Helper for reserving space for arrays of things */
-#define RESERVE_BRK_ARRAY(type, name, entries) \
- type *name; \
- RESERVE_BRK(name, sizeof(type) * entries)
-
extern void probe_roms(void);
#ifdef __i386__
diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h
index a16e2c9154a3..9c31e0ebc55b 100644
--- a/arch/x86/include/asm/sgx.h
+++ b/arch/x86/include/asm/sgx.h
@@ -296,7 +296,7 @@ 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 {
diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
index 9f69cc497f4b..b5f0d2ff47e4 100644
--- a/arch/x86/include/asm/switch_to.h
+++ b/arch/x86/include/asm/switch_to.h
@@ -71,12 +71,7 @@ static inline void update_task_stack(struct task_struct *task)
else
this_cpu_write(cpu_tss_rw.x86_tss.sp1, task->thread.sp0);
#else
- /*
- * x86-64 updates x86_tss.sp1 via cpu_current_top_of_stack. That
- * doesn't work on x86-32 because sp1 and
- * cpu_current_top_of_stack have different values (because of
- * the non-zero stack-padding on 32bit).
- */
+ /* Xen PV enters the kernel on the thread stack. */
if (static_cpu_has(X86_FEATURE_XENPV))
load_sp0(task_top_of_stack(task));
#endif
diff --git a/arch/x86/include/asm/syscall_wrapper.h b/arch/x86/include/asm/syscall_wrapper.h
index a84333adeef2..80c08c7d5e72 100644
--- a/arch/x86/include/asm/syscall_wrapper.h
+++ b/arch/x86/include/asm/syscall_wrapper.h
@@ -80,6 +80,7 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
}
#define __COND_SYSCALL(abi, name) \
+ __weak long __##abi##_##name(const struct pt_regs *__unused); \
__weak long __##abi##_##name(const struct pt_regs *__unused) \
{ \
return sys_ni_syscall(); \
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 06b740bae431..de406d93b515 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -197,13 +197,7 @@ static inline int arch_within_stack_frames(const void * const stack,
#endif
}
-#else /* !__ASSEMBLY__ */
-
-#ifdef CONFIG_X86_64
-# define cpu_current_top_of_stack (cpu_tss_rw + TSS_sp1)
-#endif
-
-#endif
+#endif /* !__ASSEMBLY__ */
/*
* Thread-synchronous status.
diff --git a/arch/x86/include/asm/uv/uv_geo.h b/arch/x86/include/asm/uv/uv_geo.h
index f241451035fb..027a9258dbca 100644
--- a/arch/x86/include/asm/uv/uv_geo.h
+++ b/arch/x86/include/asm/uv/uv_geo.h
@@ -10,7 +10,7 @@
#ifndef _ASM_UV_GEO_H
#define _ASM_UV_GEO_H
-/* Type declaractions */
+/* Type declarations */
/* Size of a geoid_s structure (must be before decl. of geoid_u) */
#define GEOID_SIZE 8
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 5002f52be332..d3e3197917be 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -353,7 +353,7 @@ union uvh_apicid {
*
* Note there are NO leds on a UV system. This register is only
* used by the system controller to monitor system-wide operation.
- * There are 64 regs per node. With Nahelem cpus (2 cores per node,
+ * There are 64 regs per node. With Nehalem cpus (2 cores per node,
* 8 cpus per core, 2 threads per cpu) there are 32 cpu threads on
* a node.
*
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 600a141c8805..b25d3f82c2f3 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -234,7 +234,7 @@ struct boot_params {
* handling of page tables.
*
* These enums should only ever be used by x86 code, and the code that uses
- * it should be well contained and compartamentalized.
+ * it should be well contained and compartmentalized.
*
* KVM and Xen HVM do not have a subarch as these are expected to follow
* standard x86 boot entries. If there is a genuine need for "hypervisor" type
@@ -252,7 +252,7 @@ struct boot_params {
* @X86_SUBARCH_XEN: Used for Xen guest types which follow the PV boot path,
* which start at asm startup_xen() entry point and later jump to the C
* xen_start_kernel() entry point. Both domU and dom0 type of guests are
- * currently supportd through this PV boot path.
+ * currently supported through this PV boot path.
* @X86_SUBARCH_INTEL_MID: Used for Intel MID (Mobile Internet Device) platform
* systems which do not have the PCI legacy interfaces.
* @X86_SUBARCH_CE4100: Used for Intel CE media processor (CE4100) SoC
diff --git a/arch/x86/include/uapi/asm/msgbuf.h b/arch/x86/include/uapi/asm/msgbuf.h
index b3d0664fadc9..ac83e25bbf37 100644
--- a/arch/x86/include/uapi/asm/msgbuf.h
+++ b/arch/x86/include/uapi/asm/msgbuf.h
@@ -12,7 +12,7 @@
* The msqid64_ds structure for x86 architecture with x32 ABI.
*
* On x86-32 and x86-64 we can just use the generic definition, but
- * x32 uses the same binary layout as x86_64, which is differnet
+ * x32 uses the same binary layout as x86_64, which is different
* from other 32-bit architectures.
*/
diff --git a/arch/x86/include/uapi/asm/sgx.h b/arch/x86/include/uapi/asm/sgx.h
index 9034f3007c4e..9690d6899ad9 100644
--- a/arch/x86/include/uapi/asm/sgx.h
+++ b/arch/x86/include/uapi/asm/sgx.h
@@ -152,7 +152,7 @@ struct sgx_enclave_run {
* Most exceptions reported on ENCLU, including those that occur within the
* enclave, are fixed up and reported synchronously instead of being delivered
* via a standard signal. Debug Exceptions (#DB) and Breakpoints (#BP) are
- * never fixed up and are always delivered via standard signals. On synchrously
+ * never fixed up and are always delivered via standard signals. On synchronously
* reported exceptions, -EFAULT is returned and details about the exception are
* recorded in @run.exception, the optional sgx_enclave_exception struct.
*
diff --git a/arch/x86/include/uapi/asm/shmbuf.h b/arch/x86/include/uapi/asm/shmbuf.h
index f0305dc660c9..fce18eaa070c 100644
--- a/arch/x86/include/uapi/asm/shmbuf.h
+++ b/arch/x86/include/uapi/asm/shmbuf.h
@@ -9,7 +9,7 @@
* The shmid64_ds structure for x86 architecture with x32 ABI.
*
* On x86-32 and x86-64 we can just use the generic definition, but
- * x32 uses the same binary layout as x86_64, which is differnet
+ * x32 uses the same binary layout as x86_64, which is different
* from other 32-bit architectures.
*/
diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index 844d60eb1882..d0d9b331d3a1 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -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.
*
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 14cd3186dc77..e90310cbe73a 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -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
@@ -1656,7 +1656,7 @@ 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;
}
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index cc1fea76aab0..3f85fcae450c 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -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)
{
diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index b4396952c9a6..09083094eb57 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Shared support code for AMD K8 northbridges and derivates.
+ * Shared support code for AMD K8 northbridges and derivatives.
* Copyright 2006 Andi Kleen, SUSE Labs.
*/
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 4f26700f314d..4a39fb429f15 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -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);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 73ff4dd426a8..d5c691a3208b 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -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) {
@@ -1752,7 +1752,7 @@ 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
@@ -1830,7 +1830,7 @@ 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.
*/
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 3c9c7492252f..6aa27e08b3e2 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -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.
*
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 660270359d39..241dda687eb9 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -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 seconds/minutes at current power
* consumption.
*/
diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c
index 3ca9be482a9e..d66af2950e06 100644
--- a/arch/x86/kernel/cpu/cacheinfo.c
+++ b/arch/x86/kernel/cpu/cacheinfo.c
@@ -877,7 +877,7 @@ void init_intel_cacheinfo(struct cpuinfo_x86 *c)
static int __cache_amd_cpumap_setup(unsigned int cpu, int index,
struct _cpuid4_info_regs *base)
{
- struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+ struct cpu_cacheinfo *this_cpu_ci;
struct cacheinfo *this_leaf;
int i, sibling;
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index ab640abe26b6..340107800b36 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -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
@@ -1748,6 +1748,8 @@ DEFINE_PER_CPU(bool, hardirq_stack_inuse);
DEFINE_PER_CPU(int, __preempt_count) = INIT_PREEMPT_COUNT;
EXPORT_PER_CPU_SYMBOL(__preempt_count);
+DEFINE_PER_CPU(unsigned long, cpu_current_top_of_stack) = TOP_OF_INIT_STACK;
+
/* May not be marked __init: used by software suspend */
void syscall_init(void)
{
diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index 1d9b8aaea06c..7227c15299d0 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -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) {
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 0e422a544835..63e381a46153 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -301,7 +301,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
* The operating system must reload CR3 to cause the TLB to be flushed"
*
* As a result, boot_cpu_has(X86_FEATURE_PGE) in arch/x86/include/asm/tlbflush.h
- * should be false so that __flush_tlb_all() causes CR3 insted of CR4.PGE
+ * should be false so that __flush_tlb_all() causes CR3 instead of CR4.PGE
* to be modified.
*/
if (c->x86 == 5 && c->x86_model == 9) {
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 7962355436da..bf7fe87a7e88 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -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)
{
diff --git a/arch/x86/kernel/cpu/mce/severity.c b/arch/x86/kernel/cpu/mce/severity.c
index 83df991314c5..55ffa84d30d6 100644
--- a/arch/x86/kernel/cpu/mce/severity.c
+++ b/arch/x86/kernel/cpu/mce/severity.c
@@ -142,7 +142,7 @@ static struct severity {
MASK(MCI_STATUS_OVER|MCI_UC_SAR, MCI_STATUS_UC|MCI_STATUS_AR)
),
MCESEV(
- KEEP, "Non signalled machine check",
+ KEEP, "Non signaled machine check",
SER, BITCLR(MCI_STATUS_S)
),
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index e88bc296afca..415bc05d3dc7 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -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.
*/
diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c
index 9231640782fa..0c3b372318b7 100644
--- a/arch/x86/kernel/cpu/mtrr/cleanup.c
+++ b/arch/x86/kernel/cpu/mtrr/cleanup.c
@@ -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)
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c
index 28c8a23aa42e..a76694bffe86 100644
--- a/arch/x86/kernel/cpu/mtrr/mtrr.c
+++ b/arch/x86/kernel/cpu/mtrr/mtrr.c
@@ -799,7 +799,7 @@ void mtrr_ap_init(void)
*
* This routine is called in two cases:
*
- * 1. very earily time of software resume, when there absolutely
+ * 1. very early time of software resume, when there absolutely
* isn't mtrr entry changes;
*
* 2. cpu hotadd time. We let mtrr_add/del_page hold cpuhotplug
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index 698bb26aeb6e..23001ae03e82 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -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.
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index 7ac31210e452..dbeaa8409313 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -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
@@ -397,7 +397,7 @@ void mon_event_count(void *info)
* timer. Having 1s interval makes the calculation of bandwidth simpler.
*
* Although MBA's goal is to restrict the bandwidth to a maximum, there may
- * be a need to increase the bandwidth to avoid uncecessarily restricting
+ * be a need to increase the bandwidth to avoid unnecessarily restricting
* the L2 <-> L3 traffic.
*
* Since MBA controls the L2 external bandwidth where as MBM measures the
@@ -480,7 +480,7 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm)
/*
* Delta values are updated dynamically package wise for each
- * rdtgrp everytime the throttle MSR changes value.
+ * rdtgrp every time the throttle MSR changes value.
*
* This is because (1)the increase in bandwidth is not perfectly
* linear and only "approximately" linear even when the hardware
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
index e916646adc69..935af2ac6b1a 100644
--- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
+++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
@@ -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 @@ out:
* 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().
*
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index f9190adc52cb..01fd30e7829d 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -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)
@@ -2555,7 +2555,7 @@ static int mkdir_mondata_subdir_alldom(struct kernfs_node *parent_kn,
/*
* This creates a directory mon_data which contains the monitored data.
*
- * mon_data has one directory for each domain whic are named
+ * mon_data has one directory for each domain which are named
* in the format mon_<domain_name>_<domain_id>. For ex: A mon_data
* with L3 domain looks as below:
* ./mon_data:
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index ad904747419e..63d3de02bbcc 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -214,10 +214,10 @@ 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.
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index 8678864ce712..132a2de44d2f 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -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)
{
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 22aad412f965..f74cb7da9557 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.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.
*
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 683749b80ae2..a85c64000218 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -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);
/*
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 5e9beb77cafd..18be44163a50 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -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))
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c
index ee1a283f8e96..d552f177eca0 100644
--- a/arch/x86/kernel/idt.c
+++ b/arch/x86/kernel/idt.c
@@ -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.
*/
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 58aa712973ac..e28f6a5d14f1 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -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...).
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index ff7878df96b4..3a43a2dee658 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -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.
*/
diff --git a/arch/x86/kernel/kprobes/ftrace.c b/arch/x86/kernel/kprobes/ftrace.c
index 51c7f5271aee..596de2f6d3a5 100644
--- a/arch/x86/kernel/kprobes/ftrace.c
+++ b/arch/x86/kernel/kprobes/ftrace.c
@@ -12,7 +12,7 @@
#include "common.h"
-/* Ftrace callback handler for kprobes -- called under preepmt disabled */
+/* 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)
{
diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index a29a44a98e5b..f01cd9a08155 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -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;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 9c214d7085a4..43cbfc84153a 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -63,14 +63,9 @@ __visible DEFINE_PER_CPU_PAGE_ALIGNED(struct tss_struct, cpu_tss_rw) = {
*/
.sp0 = (1UL << (BITS_PER_LONG-1)) + 1,
- /*
- * .sp1 is cpu_current_top_of_stack. The init task never
- * runs user code, but cpu_current_top_of_stack should still
- * be well defined before the first context switch.
- */
+#ifdef CONFIG_X86_32
.sp1 = TOP_OF_INIT_STACK,
-#ifdef CONFIG_X86_32
.ss0 = __KERNEL_DS,
.ss1 = __KERNEL_CS,
#endif
@@ -451,7 +446,7 @@ 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;
}
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 11065dc03f5b..eda37df016f0 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -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,
diff --git a/arch/x86/kernel/relocate_kernel_32.S b/arch/x86/kernel/relocate_kernel_32.S
index 94b33885f8d2..f469153eca8a 100644
--- a/arch/x86/kernel/relocate_kernel_32.S
+++ b/arch/x86/kernel/relocate_kernel_32.S
@@ -107,7 +107,7 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
* - Write protect disabled
* - No task switch
* - Don't do FP software emulation.
- * - Proctected mode enabled
+ * - Protected mode enabled
*/
movl %cr0, %eax
andl $~(X86_CR0_PG | X86_CR0_AM | X86_CR0_WP | X86_CR0_TS | X86_CR0_EM), %eax
diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index a4d9a261425b..c53271aebb64 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -121,7 +121,7 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
* - Write protect disabled
* - No task switch
* - Don't do FP software emulation.
- * - Proctected mode enabled
+ * - Protected mode enabled
*/
movq %cr0, %rax
andq $~(X86_CR0_AM | X86_CR0_WP | X86_CR0_TS | X86_CR0_EM), %rax
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 0e3175551a56..69757fac7462 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -65,7 +65,7 @@ RESERVE_BRK(dmi_alloc, 65536);
/*
* Range of the BSS area. The size of the BSS area is determined
- * at link time, with RESERVE_BRK*() facility reserving additional
+ * at link time, with RESERVE_BRK() facility reserving additional
* chunks.
*/
unsigned long _brk_start = (unsigned long)__brk_base;
@@ -1043,8 +1043,8 @@ void __init setup_arch(char **cmdline_p)
/*
* Need to conclude brk, before e820__memblock_setup()
- * it could use memblock_find_in_range, could overlap with
- * brk area.
+ * it could use memblock_find_in_range, could overlap with
+ * brk area.
*/
reserve_brk();
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index f306e85a08a6..a06cb107c0e8 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -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
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index eff4ce3b10da..06db901fabe8 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -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
*
@@ -204,7 +204,7 @@ static void native_stop_other_cpus(int wait)
}
/*
* Don't wait longer than 10 ms if the caller didn't
- * reqeust it. If wait is true, the machine hangs here if
+ * request it. If wait is true, the machine hangs here if
* one or more CPUs do not reach shutdown state.
*/
timeout = USEC_PER_MSEC * 10;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 16703c35a944..1e2050c4f94a 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -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();
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 8627fda8d993..15b058eefc4e 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -29,12 +29,6 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
}
}
-/*
- * This function returns an error if it detects any unreliable features of the
- * stack. Otherwise it guarantees that the stack trace is reliable.
- *
- * If the task is not 'current', the caller *must* ensure the task is inactive.
- */
int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
void *cookie, struct task_struct *task)
{
diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c
index 653b7f617b61..8a56a6d80098 100644
--- a/arch/x86/kernel/sysfb_efi.c
+++ b/arch/x86/kernel/sysfb_efi.c
@@ -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>
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index f5477eab5692..bd83748e2bde 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -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.
*/
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 651e3e508959..48881db8dca1 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -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.
*
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 9f592923f956..57ec01192180 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -740,7 +740,7 @@ 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.
@@ -1080,7 +1080,7 @@ 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
@@ -1265,7 +1265,7 @@ 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.
*/
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index 3d3c761eb74a..50a4515fe0ad 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -472,7 +472,7 @@ retry:
/*
* Add the result to the previous adjustment value.
*
- * The adjustement value is slightly off by the overhead of the
+ * The adjustment value is slightly off by the overhead of the
* sync mechanism (observed values are ~200 TSC cycles), but this
* really depends on CPU, node distance and frequency. So
* compensating for this is hard to get right. Experiments show
diff --git a/arch/x86/kernel/umip.c b/arch/x86/kernel/umip.c
index f6225bf22c02..fac1daae7994 100644
--- a/arch/x86/kernel/umip.c
+++ b/arch/x86/kernel/umip.c
@@ -272,7 +272,7 @@ static int emulate_umip_insn(struct insn *insn, int umip_inst,
* by whether the operand is a register or a memory location.
* If operand is a register, return as many bytes as the operand
* size. If operand is memory, return only the two least
- * siginificant bytes.
+ * significant bytes.
*/
if (X86_MODRM_MOD(insn->modrm.value) == 3)
*data_size = insn->opnd_bytes;
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 6bd2f8b830e4..c02466a1410b 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -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:
*
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index f7970ba6219f..cdd2a2b6550e 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -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,
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 8a4de3f12820..d5b72a08e566 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -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) {
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 951dae4e7175..62b1729277ef 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -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);
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index 1f6f98c76bdf..360983865398 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -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
};
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 018d82e73e31..34207b874886 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -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();
}
@@ -529,7 +529,7 @@ 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.
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index 7b30bc967af3..67e753edfa22 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -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)
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 78bdcfac4e40..3e55674098be 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -727,7 +727,7 @@ static int svm_ir_list_add(struct vcpu_svm *svm, struct amd_iommu_pi_data *pi)
struct amd_svm_iommu_ir *ir;
/**
- * In some cases, the existing irte is updaed and re-set,
+ * In some cases, the existing irte is updated and re-set,
* so we need to check here if it's already been * added
* to the ir_list.
*/
@@ -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 &&
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 874ea309279f..2b27a9452403 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -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 */
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 58a45bb139f8..6dad89248312 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -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:
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index bcca0b80e0d0..1e069aac7410 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3537,7 +3537,7 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
* snapshot restore (migration).
*
* In this flow, it is assumed that vmcs12 cache was
- * trasferred as part of captured nVMX state and should
+ * transferred as part of captured nVMX state and should
* therefore not be read from guest memory (which may not
* exist on destination host yet).
*/
diff --git a/arch/x86/kvm/vmx/posted_intr.c b/arch/x86/kvm/vmx/posted_intr.c
index 4831bc44ce66..459748680daf 100644
--- a/arch/x86/kvm/vmx/posted_intr.c
+++ b/arch/x86/kvm/vmx/posted_intr.c
@@ -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);
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 29b40e092d13..bcbf0d2139e9 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -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;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index ee0dc58ac3a5..efc7a82ab140 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -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);
@@ -1287,7 +1287,7 @@ static const u32 emulated_msrs_all[] = {
MSR_KVM_PV_EOI_EN, MSR_KVM_ASYNC_PF_INT, MSR_KVM_ASYNC_PF_ACK,
MSR_IA32_TSC_ADJUST,
- MSR_IA32_TSCDEADLINE,
+ MSR_IA32_TSC_DEADLINE,
MSR_IA32_ARCH_CAPABILITIES,
MSR_IA32_PERF_CAPABILITIES,
MSR_IA32_MISC_ENABLE,
@@ -1372,7 +1372,7 @@ 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;
@@ -1849,7 +1849,7 @@ fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu)
ret = EXIT_FASTPATH_EXIT_HANDLED;
}
break;
- case MSR_IA32_TSCDEADLINE:
+ case MSR_IA32_TSC_DEADLINE:
data = kvm_read_edx_eax(vcpu);
if (!handle_fastpath_set_tscdeadline(vcpu, data)) {
kvm_skip_emulated_instruction(vcpu);
@@ -3087,7 +3087,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
return kvm_set_apic_base(vcpu, msr_info);
case APIC_BASE_MSR ... APIC_BASE_MSR + 0xff:
return kvm_x2apic_msr_write(vcpu, msr, data);
- case MSR_IA32_TSCDEADLINE:
+ case MSR_IA32_TSC_DEADLINE:
kvm_set_lapic_tscdeadline_msr(vcpu, data);
break;
case MSR_IA32_TSC_ADJUST:
@@ -3449,7 +3449,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
break;
case APIC_BASE_MSR ... APIC_BASE_MSR + 0xff:
return kvm_x2apic_msr_read(vcpu, msr_info->index, &msr_info->data);
- case MSR_IA32_TSCDEADLINE:
+ case MSR_IA32_TSC_DEADLINE:
msr_info->data = kvm_get_lapic_tscdeadline_msr(vcpu);
break;
case MSR_IA32_TSC_ADJUST:
diff --git a/arch/x86/lib/insn-eval.c b/arch/x86/lib/insn-eval.c
index bb0b3fe1e0a0..2bf07e18e38c 100644
--- a/arch/x86/lib/insn-eval.c
+++ b/arch/x86/lib/insn-eval.c
@@ -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) &&
diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c
index 419365c48b2a..cc5f4ea943d3 100644
--- a/arch/x86/lib/mmx_32.c
+++ b/arch/x86/lib/mmx_32.c
@@ -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>
diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c
index 75a0915b0d01..40bbe56bde32 100644
--- a/arch/x86/lib/msr-smp.c
+++ b/arch/x86/lib/msr-smp.c
@@ -252,7 +252,7 @@ static void __wrmsr_safe_regs_on_cpu(void *info)
rv->err = wrmsr_safe_regs(rv->regs);
}
-int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
+int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
{
int err;
struct msr_regs_info rv;
@@ -265,7 +265,7 @@ int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
}
EXPORT_SYMBOL(rdmsr_safe_regs_on_cpu);
-int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
+int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
{
int err;
struct msr_regs_info rv;
diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c
index 3bd905e10ee2..b09cd2ad426c 100644
--- a/arch/x86/lib/msr.c
+++ b/arch/x86/lib/msr.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(msrs_free);
* argument @m.
*
*/
-int msr_read(u32 msr, struct msr *m)
+static int msr_read(u32 msr, struct msr *m)
{
int err;
u64 val;
@@ -54,7 +54,7 @@ int msr_read(u32 msr, struct msr *m)
* @msr: MSR to write
* @m: value to write
*/
-int msr_write(u32 msr, struct msr *m)
+static int msr_write(u32 msr, struct msr *m)
{
return wrmsrl_safe(msr, m->q);
}
diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c
index 4a9887851ad8..990d847ae902 100644
--- a/arch/x86/math-emu/fpu_trig.c
+++ b/arch/x86/math-emu/fpu_trig.c
@@ -547,7 +547,7 @@ static void frndint_(FPU_REG *st0_ptr, u_char st0_tag)
single_arg_error(st0_ptr, st0_tag);
}
-static int fsin(FPU_REG *st0_ptr, u_char tag)
+static int f_sin(FPU_REG *st0_ptr, u_char tag)
{
u_char arg_sign = getsign(st0_ptr);
@@ -608,6 +608,11 @@ static int fsin(FPU_REG *st0_ptr, u_char tag)
}
}
+static void fsin(FPU_REG *st0_ptr, u_char tag)
+{
+ f_sin(st0_ptr, tag);
+}
+
static int f_cos(FPU_REG *st0_ptr, u_char tag)
{
u_char st0_sign;
@@ -724,7 +729,7 @@ static void fsincos(FPU_REG *st0_ptr, u_char st0_tag)
}
reg_copy(st0_ptr, &arg);
- if (!fsin(st0_ptr, st0_tag)) {
+ if (!f_sin(st0_ptr, st0_tag)) {
push();
FPU_copy_to_reg0(&arg, st0_tag);
f_cos(&st(0), st0_tag);
@@ -1635,7 +1640,7 @@ void FPU_triga(void)
}
static FUNC_ST0 const trig_table_b[] = {
- fprem, fyl2xp1, fsqrt_, fsincos, frndint_, fscale, (FUNC_ST0) fsin, fcos
+ fprem, fyl2xp1, fsqrt_, fsincos, frndint_, fscale, fsin, fcos
};
void FPU_trigb(void)
diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c
index fe6246ff9887..7ca6417c0c8d 100644
--- a/arch/x86/math-emu/reg_ld_str.c
+++ b/arch/x86/math-emu/reg_ld_str.c
@@ -964,7 +964,7 @@ int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d)
/* The return value (in eax) is zero if the result is exact,
if bits are changed due to rounding, truncation, etc, then
a non-zero value is returned */
-/* Overflow is signalled by a non-zero return value (in eax).
+/* Overflow is signaled by a non-zero return value (in eax).
In the case of overflow, the returned significand always has the
largest possible value */
int FPU_round_to_int(FPU_REG *r, u_char tag)
diff --git a/arch/x86/math-emu/reg_round.S b/arch/x86/math-emu/reg_round.S
index 11a1f798451b..4a9fc3cc5a4d 100644
--- a/arch/x86/math-emu/reg_round.S
+++ b/arch/x86/math-emu/reg_round.S
@@ -575,7 +575,7 @@ Normalise_result:
#ifdef PECULIAR_486
/*
* This implements a special feature of 80486 behaviour.
- * Underflow will be signalled even if the number is
+ * Underflow will be signaled even if the number is
* not a denormal after rounding.
* This difference occurs only for masked underflow, and not
* in the unmasked case.
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index a73347e2cdfc..1c548ad00752 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -1497,7 +1497,7 @@ DEFINE_IDTENTRY_RAW_ERRORCODE(exc_page_fault)
* userspace task is trying to access some valid (from guest's point of
* view) memory which is not currently mapped by the host (e.g. the
* memory is swapped out). Note, the corresponding "page ready" event
- * which is injected when the memory becomes available, is delived via
+ * which is injected when the memory becomes available, is delivered via
* an interrupt mechanism and not a #PF exception
* (see arch/x86/kernel/kvm.c: sysvec_kvm_asyncpf_interrupt()).
*
@@ -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);
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index dd694fb93916..fbf41dd142ca 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -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>
@@ -756,7 +756,7 @@ void __init init_mem_mapping(void)
#ifdef CONFIG_X86_64
if (max_pfn > max_low_pfn) {
- /* can we preseve max_low_pfn ?*/
+ /* can we preserve max_low_pfn ?*/
max_low_pfn = max_pfn;
}
#else
@@ -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()
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index b5a3fa4033d3..55247451ba85 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -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.
*/
diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c
index 6e6b39710e5f..557f0fe25dff 100644
--- a/arch/x86/mm/kaslr.c
+++ b/arch/x86/mm/kaslr.c
@@ -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;
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index be020a7bc414..d3efbc5b3449 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -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>
diff --git a/arch/x86/mm/mem_encrypt_boot.S b/arch/x86/mm/mem_encrypt_boot.S
index 7a84fc8bc5c3..17d292b7072f 100644
--- a/arch/x86/mm/mem_encrypt_boot.S
+++ b/arch/x86/mm/mem_encrypt_boot.S
@@ -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
diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c
index ca311aaa67b8..3112ca7786ed 100644
--- a/arch/x86/mm/pat/memtype.c
+++ b/arch/x86/mm/pat/memtype.c
@@ -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
@@ -800,6 +800,7 @@ void memtype_free_io(resource_size_t start, resource_size_t end)
memtype_free(start, end);
}
+#ifdef CONFIG_X86_PAT
int arch_io_reserve_memtype_wc(resource_size_t start, resource_size_t size)
{
enum page_cache_mode type = _PAGE_CACHE_MODE_WC;
@@ -813,6 +814,7 @@ void arch_io_free_memtype_wc(resource_size_t start, resource_size_t size)
memtype_free_io(start, start + size);
}
EXPORT_SYMBOL(arch_io_free_memtype_wc);
+#endif
pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot)
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 16f878c26667..427980617557 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -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.
*/
diff --git a/arch/x86/mm/pkeys.c b/arch/x86/mm/pkeys.c
index 8873ed1438a9..a2332eef66e9 100644
--- a/arch/x86/mm/pkeys.c
+++ b/arch/x86/mm/pkeys.c
@@ -128,7 +128,7 @@ u32 init_pkru_value = PKRU_AD_KEY( 1) | PKRU_AD_KEY( 2) | PKRU_AD_KEY( 3) |
/*
* Called from the FPU code when creating a fresh set of FPU
* registers. This is called from a very specific context where
- * we know the FPU regstiers are safe for use and we can use PKRU
+ * we know the FPU registers are safe for use and we can use PKRU
* directly.
*/
void copy_init_pkru_to_fpregs(void)
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 1aab92930569..5d5c7bb50ce9 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -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))
@@ -440,10 +440,9 @@ static void __init pti_clone_user_shared(void)
for_each_possible_cpu(cpu) {
/*
- * The SYSCALL64 entry code needs to be able to find the
- * thread stack and needs one word of scratch space in which
- * to spill a register. All of this lives in the TSS, in
- * the sp1 and sp2 slots.
+ * The SYSCALL64 entry code needs one word of scratch space
+ * in which to spill a register. It lives in the sp2 slot
+ * of the CPU's TSS.
*
* This is done for all possible CPUs during boot to ensure
* that it's propagated to all mms.
@@ -512,7 +511,7 @@ 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))
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 569ac1d57f55..98f269560d40 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -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
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 7f1b3a862e14..220e72434f3c 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -1556,7 +1556,7 @@ emit_cond_jmp: /* Convert BPF opcode to x86 */
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 @@ emit_jmp:
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).
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index 0a0e168be1cb..02dc64625e64 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -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)
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 1b82d77019b1..df7b5477fc4f 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -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)
{
diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c
index 67d93a243c35..7850111008a8 100644
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -441,7 +441,7 @@ void __init efi_free_boot_services(void)
* 1.4.4 with SGX enabled booting Linux via Fedora 24's
* grub2-efi on a hard disk. (And no, I don't know why
* this happened, but Linux should still try to boot rather
- * panicing early.)
+ * panicking early.)
*/
rm_size = real_mode_size_needed();
if (rm_size && (start + rm_size) < (1<<20) && size >= rm_size) {
@@ -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.
*/
diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c
index 0286fe1b14b5..d3d456925b2a 100644
--- a/arch/x86/platform/intel-quark/imr.c
+++ b/arch/x86/platform/intel-quark/imr.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* imr.c -- Intel Isolated Memory Region driver
*
* Copyright(c) 2013 Intel Corporation.
@@ -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.
diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c
index 570e3062faac..761f3689f60a 100644
--- a/arch/x86/platform/intel-quark/imr_selftest.c
+++ b/arch/x86/platform/intel-quark/imr_selftest.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/**
+/*
* imr_selftest.c -- Intel Isolated Memory Region self-test driver
*
* Copyright(c) 2013 Intel Corporation.
diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c
index 526f70f27c1c..fdd49d70b437 100644
--- a/arch/x86/platform/intel/iosf_mbi.c
+++ b/arch/x86/platform/intel/iosf_mbi.c
@@ -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);
}
diff --git a/arch/x86/platform/olpc/olpc-xo15-sci.c b/arch/x86/platform/olpc/olpc-xo15-sci.c
index 85f4638764d6..994a229cb79f 100644
--- a/arch/x86/platform/olpc/olpc-xo15-sci.c
+++ b/arch/x86/platform/olpc/olpc-xo15-sci.c
@@ -27,7 +27,7 @@ static bool lid_wake_on_close;
* wake-on-close. This is implemented as standard by the XO-1.5 DSDT.
*
* We provide here a sysfs attribute that will additionally enable
- * wake-on-close behavior. This is useful (e.g.) when we oportunistically
+ * wake-on-close behavior. This is useful (e.g.) when we opportunistically
* suspend with the display running; if the lid is then closed, we want to
* wake up to turn the display off.
*
diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c
index 26d1f6693789..75e3319e8bee 100644
--- a/arch/x86/platform/olpc/olpc_dt.c
+++ b/arch/x86/platform/olpc/olpc_dt.c
@@ -131,7 +131,7 @@ void * __init prom_early_alloc(unsigned long size)
const size_t chunk_size = max(PAGE_SIZE, size);
/*
- * To mimimize the number of allocations, grab at least
+ * To minimize the number of allocations, grab at least
* PAGE_SIZE of memory (that's an arbitrary choice that's
* fast enough on the platforms we care about while minimizing
* wasted bootmem) and hand off chunks of it to callers.
diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S
index d2ccadc247e6..66b317398b8a 100644
--- a/arch/x86/platform/pvh/head.S
+++ b/arch/x86/platform/pvh/head.S
@@ -30,10 +30,10 @@
* the boot start info structure.
* - `cr0`: bit 0 (PE) must be set. All the other writeable bits are cleared.
* - `cr4`: all bits are cleared.
- * - `cs `: must be a 32-bit read/execute code segment with a base of ‘0’
- * and a limit of ‘0xFFFFFFFF’. The selector value is unspecified.
+ * - `cs `: must be a 32-bit read/execute code segment with a base of `0`
+ * and a limit of `0xFFFFFFFF`. The selector value is unspecified.
* - `ds`, `es`: must be a 32-bit read/write data segment with a base of
- * ‘0’ and a limit of ‘0xFFFFFFFF’. The selector values are all
+ * `0` and a limit of `0xFFFFFFFF`. The selector values are all
* unspecified.
* - `tr`: must be a 32-bit TSS (active) with a base of '0' and a limit
* of '0x67'.
diff --git a/arch/x86/platform/uv/uv_nmi.c b/arch/x86/platform/uv/uv_nmi.c
index eafc530c8767..35d1a6ecb711 100644
--- a/arch/x86/platform/uv/uv_nmi.c
+++ b/arch/x86/platform/uv/uv_nmi.c
@@ -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)
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index db1378c6ff26..c9908bcdb249 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -321,7 +321,7 @@ int hibernate_resume_nonboot_cpu_disable(void)
/*
* When bsp_check() is called in hibernate and suspend, cpu hotplug
- * is disabled already. So it's unnessary to handle race condition between
+ * is disabled already. So it's unnecessary to handle race condition between
* cpumask query and cpu hotplug.
*/
static int bsp_check(void)
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 22fda7d99159..1be71ef5e4c4 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -103,7 +103,7 @@ static void __init setup_real_mode(void)
*ptr += phys_base;
}
- /* Must be perfomed *after* relocation. */
+ /* Must be performed *after* relocation. */
trampoline_header = (struct trampoline_header *)
__va(real_mode_header->trampoline_header);
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index cf2ade864c30..1e28c880f642 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -2410,7 +2410,7 @@ int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr,
rmd.prot = prot;
/*
* We use the err_ptr to indicate if there we are doing a contiguous
- * mapping or a discontigious mapping.
+ * mapping or a discontiguous mapping.
*/
rmd.contiguous = !err_ptr;
rmd.no_translate = no_translate;
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index 50e2df30b0aa..9edecb494e9e 100644
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -52,8 +52,27 @@ typedef bool (*stack_trace_consume_fn)(void *cookie, unsigned long addr);
*/
void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
struct task_struct *task, struct pt_regs *regs);
+
+/**
+ * arch_stack_walk_reliable - Architecture specific function to walk the
+ * stack reliably
+ *
+ * @consume_entry: Callback which is invoked by the architecture code for
+ * each entry.
+ * @cookie: Caller supplied pointer which is handed back to
+ * @consume_entry
+ * @task: Pointer to a task struct, can be NULL
+ *
+ * This function returns an error if it detects any unreliable
+ * features of the stack. Otherwise it guarantees that the stack
+ * trace is reliable.
+ *
+ * If the task is not 'current', the caller *must* ensure the task is
+ * inactive and its stack is pinned.
+ */
int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry, void *cookie,
struct task_struct *task);
+
void arch_stack_walk_user(stack_trace_consume_fn consume_entry, void *cookie,
const struct pt_regs *regs);
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index 546d6ecf0a35..45029354e0a8 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -628,8 +628,6 @@
#define MSR_IA32_APICBASE_ENABLE (1<<11)
#define MSR_IA32_APICBASE_BASE (0xfffff<<12)
-#define MSR_IA32_TSCDEADLINE 0x000006e0
-
#define MSR_IA32_UCODE_WRITE 0x00000079
#define MSR_IA32_UCODE_REV 0x0000008b
diff --git a/tools/perf/trace/beauty/tracepoints/x86_msr.sh b/tools/perf/trace/beauty/tracepoints/x86_msr.sh
index 27ee1ea1fe94..9b0614a87831 100755
--- a/tools/perf/trace/beauty/tracepoints/x86_msr.sh
+++ b/tools/perf/trace/beauty/tracepoints/x86_msr.sh
@@ -15,7 +15,7 @@ x86_msr_index=${arch_x86_header_dir}/msr-index.h
printf "static const char *x86_MSRs[] = {\n"
regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0x00000[[:xdigit:]]+)[[:space:]]*.*'
-egrep $regex ${x86_msr_index} | egrep -v 'MSR_(ATOM|P[46]|IA32_(TSCDEADLINE|UCODE_REV)|IDT_FCR4)' | \
+egrep $regex ${x86_msr_index} | egrep -v 'MSR_(ATOM|P[46]|IA32_(TSC_DEADLINE|UCODE_REV)|IDT_FCR4)' | \
sed -r "s/$regex/\2 \1/g" | sort -n | \
xargs printf "\t[%s] = \"%s\",\n"
printf "};\n\n"
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index a7c4f0772e53..5939615265f1 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2449,7 +2449,7 @@ dump_knl_turbo_ratio_limits(void)
fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n",
base_cpu, msr);
- /**
+ /*
* Turbo encoding in KNL is as follows:
* [0] -- Reserved
* [7:1] -- Base value of number of active cores of bucket 1.