From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753392Ab0HZOF6 (ORCPT ); Thu, 26 Aug 2010 10:05:58 -0400 Received: from s15228384.onlinehome-server.info ([87.106.30.177]:34060 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751093Ab0HZOF4 (ORCPT ); Thu, 26 Aug 2010 10:05:56 -0400 From: Borislav Petkov To: Cc: , , , Borislav Petkov Subject: [PATCH 1/2] MCE, AMD: Limit MCE decoding to current families for now Date: Thu, 26 Aug 2010 16:06:28 +0200 Message-Id: <1282831589-4274-2-git-send-email-bp@amd64.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1282831589-4274-1-git-send-email-bp@amd64.org> References: <1282831589-4274-1-git-send-email-bp@amd64.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Limit MCE error decoding to current and older families only (K8-F11h). Signed-off-by: Borislav Petkov --- drivers/edac/edac_mce_amd.c | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) 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 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; } -- 1.7.1