From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752908AbbKXHl0 (ORCPT ); Tue, 24 Nov 2015 02:41:26 -0500 Received: from mail.skyhub.de ([78.46.96.112]:52606 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751714AbbKXHlX (ORCPT ); Tue, 24 Nov 2015 02:41:23 -0500 From: Borislav Petkov To: Ingo Molnar Cc: LKML Subject: [PATCH 3/4] x86/mce: Add the missing memory error check on AMD Date: Tue, 24 Nov 2015 08:41:19 +0100 Message-Id: <1448350880-5573-4-git-send-email-bp@alien8.de> X-Mailer: git-send-email 2.3.5 In-Reply-To: <1448350880-5573-1-git-send-email-bp@alien8.de> References: <1448350880-5573-1-git-send-email-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov We simply need to look at the extended error code when detecting whether the error is of type memory. Signed-off-by: Borislav Petkov Acked-by: Tony Luck --- arch/x86/kernel/cpu/mcheck/mce.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index fb8b1db7b150..e00e85ab7387 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -522,10 +522,10 @@ static bool memory_error(struct mce *m) struct cpuinfo_x86 *c = &boot_cpu_data; if (c->x86_vendor == X86_VENDOR_AMD) { - /* - * coming soon - */ - return false; + /* ErrCodeExt[20:16] */ + u8 xec = (m->status >> 16) & 0x1f; + + return (xec == 0x0 || xec == 0x8); } else if (c->x86_vendor == X86_VENDOR_INTEL) { /* * Intel SDM Volume 3B - 15.9.2 Compound Error Codes -- 2.3.5