From e045c29126eae3a8cfdf8507baa75b5c70fd4f53 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <borislav.petkov@amd.com>
Date: Fri, 6 Aug 2010 18:55:45 +0200
Subject: [PATCH] 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>
---
drivers/edac/edac_mce_amd.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index bae9351e947387..352dcc6c8971ad 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;
}
--
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