diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index d7dff234dd28488d7b5ee2d872a115d3cbc5da9b..3c9a25b9353857542688e0b3e4f5ff94a7dd8ede 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -441,6 +441,20 @@ static inline void mce_gather_info(struct mce *m, struct pt_regs *regs) if (mca_cfg.rip_msr) m->ip = mce_rdmsrl(mca_cfg.rip_msr); } + + /* + * Error handlers should save the values in MCA_ADDR, MCA_MISC0, and + * MCA_SYND even if MCA_STATUS[AddrV], MCA_STATUS[MiscV], and + * MCA_STATUS[SyndV] are zero. + */ + if (m->cpuvendor == X86_VENDOR_AMD) { + u64 status = MCI_STATUS_ADDRV | MCI_STATUS_MISCV; + + if (mce_flags.smca) + status |= MCI_STATUS_SYNDV; + + m->status |= status; + } } int mce_available(struct cpuinfo_x86 *c)