Messages in this thread Patch in this message | | | Date | Fri, 29 Oct 2021 16:57:59 -0400 | From | Dave Jones <> | Subject | mce: Add errata workaround for Skylake SKX37 |
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Errata SKX37 is word-for-word identical to the other errata listed in this workaround. I happened to notice this after investigating a CMCI storm on a Skylake host. While I can't confirm this was the root cause, spurious corrected errors does sound like a likely suspect.
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
diff --git arch/x86/kernel/cpu/mce/intel.c arch/x86/kernel/cpu/mce/intel.c index acfd5d9f93c6..bb9a46a804bf 100644 --- arch/x86/kernel/cpu/mce/intel.c +++ arch/x86/kernel/cpu/mce/intel.c @@ -547,12 +547,13 @@ bool intel_filter_mce(struct mce *m) { struct cpuinfo_x86 *c = &boot_cpu_data; - /* MCE errata HSD131, HSM142, HSW131, BDM48, and HSM142 */ + /* MCE errata HSD131, HSM142, HSW131, BDM48, HSM142 and SKX37 */ if ((c->x86 == 6) && ((c->x86_model == INTEL_FAM6_HASWELL) || (c->x86_model == INTEL_FAM6_HASWELL_L) || (c->x86_model == INTEL_FAM6_BROADWELL) || - (c->x86_model == INTEL_FAM6_HASWELL_G)) && + (c->x86_model == INTEL_FAM6_HASWELL_G) || + (c->x86_model == INTEL_FAM6_SKYLAKE_X)) && (m->bank == 0) && ((m->status & 0xa0000000ffffffff) == 0x80000000000f0005)) return true;
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