diff options
Diffstat (limited to 'arch/x86/kernel/cpu/mce/inject.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mce/inject.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c index 94953d749475..49ed3428785d 100644 --- a/arch/x86/kernel/cpu/mce/inject.c +++ b/arch/x86/kernel/cpu/mce/inject.c @@ -487,12 +487,16 @@ static void prepare_msrs(void *info) wrmsrl(MSR_AMD64_SMCA_MCx_ADDR(b), m.addr); } - wrmsrl(MSR_AMD64_SMCA_MCx_MISC(b), m.misc); wrmsrl(MSR_AMD64_SMCA_MCx_SYND(b), m.synd); + + if (m.misc) + wrmsrl(MSR_AMD64_SMCA_MCx_MISC(b), m.misc); } else { wrmsrl(MSR_IA32_MCx_STATUS(b), m.status); wrmsrl(MSR_IA32_MCx_ADDR(b), m.addr); - wrmsrl(MSR_IA32_MCx_MISC(b), m.misc); + + if (m.misc) + wrmsrl(MSR_IA32_MCx_MISC(b), m.misc); } } @@ -795,4 +799,5 @@ static void __exit inject_exit(void) module_init(inject_init); module_exit(inject_exit); +MODULE_DESCRIPTION("Machine check injection support"); MODULE_LICENSE("GPL"); |