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authorBorislav Petkov <borislav.petkov@amd.com>2010-08-06 18:55:45 +0200
committerBorislav Petkov <borislav.petkov@amd.com>2010-08-24 18:06:54 +0200
commite045c29126eae3a8cfdf8507baa75b5c70fd4f53 (patch)
tree64579b87a85654b4da96a82e426f61868a165915 /drivers
parent76be97c1fc945db08aae1f1b746012662d643e97 (diff)
downloadlinux-e045c29126eae3a8cfdf8507baa75b5c70fd4f53.tar.bz2
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/edac/edac_mce_amd.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index bae9351e9473..352dcc6c8971 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;
}