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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 18:15:17 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 18:15:17 -0400
commit168f1a7163b37294a0ef33829e1ed54d41e33c42 (patch)
tree16fa34f24156c28f0a3060d984e98bf4df878f91 /arch/x86/kernel/cpu/mcheck
parent825a3b2605c3aa193e0075d0f9c72e33c17ab16a (diff)
parent4afd0565552c87f23834db9121dd9cf6955d0b43 (diff)
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar: "The main changes in this cycle were: - MSR access API fixes and enhancements (Andy Lutomirski) - early exception handling improvements (Andy Lutomirski) - user-space FS/GS prctl usage fixes and improvements (Andy Lutomirski) - Remove the cpu_has_*() APIs and replace them with equivalents (Borislav Petkov) - task switch micro-optimization (Brian Gerst) - 32-bit entry code simplification (Denys Vlasenko) - enhance PAT handling in enumated CPUs (Toshi Kani) ... and lots of other cleanups/fixlets" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (70 commits) x86/arch_prctl/64: Restore accidentally removed put_cpu() in ARCH_SET_GS x86/entry/32: Remove asmlinkage_protect() x86/entry/32: Remove GET_THREAD_INFO() from entry code x86/entry, sched/x86: Don't save/restore EFLAGS on task switch x86/asm/entry/32: Simplify pushes of zeroed pt_regs->REGs selftests/x86/ldt_gdt: Test set_thread_area() deletion of an active segment x86/tls: Synchronize segment registers in set_thread_area() x86/asm/64: Rename thread_struct's fs and gs to fsbase and gsbase x86/arch_prctl/64: Remove FSBASE/GSBASE < 4G optimization x86/segments/64: When load_gs_index fails, clear the base x86/segments/64: When loadsegment(fs, ...) fails, clear the base x86/asm: Make asm/alternative.h safe from assembly x86/asm: Stop depending on ptrace.h in alternative.h x86/entry: Rename is_{ia32,x32}_task() to in_{ia32,x32}_syscall() x86/asm: Make sure verify_cpu() has a good stack x86/extable: Add a comment about early exception handlers x86/msr: Set the return value to zero when native_rdmsr_safe() fails x86/paravirt: Make "unsafe" MSR accesses unsafe even if PARAVIRT=y x86/paravirt: Add paravirt_{read,write}_msr() x86/msr: Carry on after a non-"safe" MSR access fails ...
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck')
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_intel.c2
-rw-r--r--arch/x86/kernel/cpu/mcheck/therm_throt.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 1e8bb6c94f14..1defb8ea882c 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -84,7 +84,7 @@ static int cmci_supported(int *banks)
84 */ 84 */
85 if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) 85 if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
86 return 0; 86 return 0;
87 if (!cpu_has_apic || lapic_get_maxlvt() < 6) 87 if (!boot_cpu_has(X86_FEATURE_APIC) || lapic_get_maxlvt() < 6)
88 return 0; 88 return 0;
89 rdmsrl(MSR_IA32_MCG_CAP, cap); 89 rdmsrl(MSR_IA32_MCG_CAP, cap);
90 *banks = min_t(unsigned, MAX_NR_BANKS, cap & 0xff); 90 *banks = min_t(unsigned, MAX_NR_BANKS, cap & 0xff);
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index ac780cad3b86..6b9dc4d18ccc 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -450,7 +450,7 @@ asmlinkage __visible void smp_trace_thermal_interrupt(struct pt_regs *regs)
450/* Thermal monitoring depends on APIC, ACPI and clock modulation */ 450/* Thermal monitoring depends on APIC, ACPI and clock modulation */
451static int intel_thermal_supported(struct cpuinfo_x86 *c) 451static int intel_thermal_supported(struct cpuinfo_x86 *c)
452{ 452{
453 if (!cpu_has_apic) 453 if (!boot_cpu_has(X86_FEATURE_APIC))
454 return 0; 454 return 0;
455 if (!cpu_has(c, X86_FEATURE_ACPI) || !cpu_has(c, X86_FEATURE_ACC)) 455 if (!cpu_has(c, X86_FEATURE_ACPI) || !cpu_has(c, X86_FEATURE_ACC))
456 return 0; 456 return 0;