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>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index bae9351e947..352dcc6c897 100644
--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -426,11 +426,15 @@ static struct notifier_block amd_mce_dec_nb = {
 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;
 }