From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759224AbZEZXSr (ORCPT ); Tue, 26 May 2009 19:18:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759094AbZEZXSb (ORCPT ); Tue, 26 May 2009 19:18:31 -0400 Received: from one.firstfloor.org ([213.235.205.2]:53146 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758340AbZEZXSa (ORCPT ); Tue, 26 May 2009 19:18:30 -0400 From: Andi Kleen To: linux-kernel@vger.kernel.org, x86@kernel.org, hpa@zytor.com Cc: Andi Kleen Subject: [PATCH 03/17] x86: MCE: Port K7 bank 0 quirk to 64bit mce code Date: Wed, 27 May 2009 01:18:02 +0200 Message-Id: <5a2337a03ce794fe7cf69e338ffacacb3770797c.1243377662.git.ak@linux.intel.com> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <86b35f6b0b17e1edc38fb5c3178967ffc4d1fa0a.1243377662.git.ak@linux.intel.com> References: <1243379896-26869-1-git-send-email-andi@firstfloor.org> <86b35f6b0b17e1edc38fb5c3178967ffc4d1fa0a.1243377662.git.ak@linux.intel.com> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Various K7 have broken bank 0s. Don't enable it by default Port from the 32bit code. Signed-off-by: Andi Kleen --- arch/x86/kernel/cpu/mcheck/mce.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 89c9d6b..26048b5 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -651,6 +651,12 @@ static void mce_cpu_quirks(struct cpuinfo_x86 *c) */ mce_bootlog = 0; } + /* + * Various K7s with broken bank 0 around. Always disable + * by default. + */ + if (c->x86 == 6) + bank[0] = 0; } if (c->x86_vendor == X86_VENDOR_INTEL) { -- 1.6.0.2