From: Borislav Petkov <borislav.petkov@amd.com>
Date: Fri, 6 Aug 2010 16:55:45 +0000 (+0200)
Subject: MCE, AMD: Limit MCE decoding to current families for now
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e045c29126eae3a8cfdf8507baa75b5c70fd4f53;p=linux-beck.git

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 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;
 }