MCE, AMD: Limit MCE decoding to current families for now
Limit MCE error decoding to current and older families only (K8-F11h).
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index bae9351..352dcc6 100644
--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -426,11 +426,15 @@
static int __init mce_amd_init(void)
{
/*
- * We can decode MCEs for Opteron and later CPUs:
+ * We can decode MCEs for K8, F10h and F11h CPUs:
*/
- if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
- (boot_cpu_data.x86 >= 0xf))
- atomic_notifier_chain_register(&x86_mce_decoder_chain, &amd_mce_dec_nb);
+ if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
+ return 0;
+
+ if (boot_cpu_data.x86 < 0xf || boot_cpu_data.x86 > 0x11)
+ return 0;
+
+ atomic_notifier_chain_register(&x86_mce_decoder_chain, &amd_mce_dec_nb);
return 0;
}