diff options
Diffstat (limited to 'arch/x86/kernel/cpu/mce/p5.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mce/p5.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mce/p5.c b/arch/x86/kernel/cpu/mce/p5.c index eaebc4ce7398..19e90cae8e97 100644 --- a/arch/x86/kernel/cpu/mce/p5.c +++ b/arch/x86/kernel/cpu/mce/p5.c @@ -21,10 +21,11 @@ int mce_p5_enabled __read_mostly; /* Machine check handler for Pentium class Intel CPUs: */ -static void pentium_machine_check(struct pt_regs *regs) +static noinstr void pentium_machine_check(struct pt_regs *regs) { u32 loaddr, hi, lotype; + instrumentation_begin(); rdmsr(MSR_IA32_P5_MC_ADDR, loaddr, hi); rdmsr(MSR_IA32_P5_MC_TYPE, lotype, hi); @@ -37,6 +38,7 @@ static void pentium_machine_check(struct pt_regs *regs) } add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); + instrumentation_end(); } /* Set up machine check reporting for processors with Intel style MCE: */ |