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| author |   Mark Brown <broonie@kernel.org> | 2015-03-10 10:37:02 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-10 10:37:02 +0000 |
| commit | eb5bc2a213f96bd43b5f00a625acb0c669613645 (patch) | |
| tree | 6093a86c9e704ebfed54adb426ff3079a428da93 /arch/x86/kernel/cpu/mcheck/p5.c | |
| parent | ASoC: rt5670: Check sysclk source by private data (diff) | |
| parent | Linux 4.0-rc3 (diff) | |
| download | linux-dev-eb5bc2a213f96bd43b5f00a625acb0c669613645.tar.xz linux-dev-eb5bc2a213f96bd43b5f00a625acb0c669613645.zip | |
Merge tag 'v4.0-rc3' into asoc-rt5670
Linux 4.0-rc3
Conflicts:
sound/soc/codecs/rt5670.c
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/p5.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/p5.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c index a3042989398c..737b0ad4e61a 100644 --- a/arch/x86/kernel/cpu/mcheck/p5.c +++ b/arch/x86/kernel/cpu/mcheck/p5.c @@ -8,6 +8,8 @@ #include <linux/smp.h> #include <asm/processor.h> +#include <asm/traps.h> +#include <asm/tlbflush.h> #include <asm/mce.h> #include <asm/msr.h> @@ -17,8 +19,11 @@ int mce_p5_enabled __read_mostly; /* Machine check handler for Pentium class Intel CPUs: */ static void pentium_machine_check(struct pt_regs *regs, long error_code) { + enum ctx_state prev_state; u32 loaddr, hi, lotype; + prev_state = ist_enter(regs); + rdmsr(MSR_IA32_P5_MC_ADDR, loaddr, hi); rdmsr(MSR_IA32_P5_MC_TYPE, lotype, hi); @@ -33,6 +38,8 @@ static void pentium_machine_check(struct pt_regs *regs, long error_code) } add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); + + ist_exit(regs, prev_state); } /* Set up machine check reporting for processors with Intel style MCE: */ @@ -59,7 +66,7 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c) "Intel old style machine check architecture supported.\n"); /* Enable MCE: */ - set_in_cr4(X86_CR4_MCE); + cr4_set_bits(X86_CR4_MCE); printk(KERN_INFO "Intel old style machine check reporting enabled on CPU#%d.\n", smp_processor_id()); |