Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'ras-urgent-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MCE fix from Ingo Molnar:
"Fix incorrect hardware errors reported on Zen3 CPUs, such as bogus
L3 cache deferred errors (Yazen Ghannam)"
* tag 'ras-urgent-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce/amd: Filter bogus hardware errors on Zen3 clients
+8
+8
arch/x86/kernel/cpu/mce/amd.c
+8
arch/x86/kernel/cpu/mce/amd.c
···
604
604
enum smca_bank_types bank_type = smca_get_bank_type(m->extcpu, m->bank);
605
605
struct cpuinfo_x86 *c = &boot_cpu_data;
606
606
607
+
/* Bogus hw errors on Cezanne A0. */
608
+
if (c->x86 == 0x19 &&
609
+
c->x86_model == 0x50 &&
610
+
c->x86_stepping == 0x0) {
611
+
if (!(m->status & MCI_STATUS_EN))
612
+
return true;
613
+
}
614
+
607
615
/* See Family 17h Models 10h-2Fh Erratum #1114. */
608
616
if (c->x86 == 0x17 &&
609
617
c->x86_model >= 0x10 && c->x86_model <= 0x2F &&