From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756044Ab1DMNhS (ORCPT ); Wed, 13 Apr 2011 09:37:18 -0400 Received: from s15228384.onlinehome-server.info ([87.106.30.177]:42986 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755767Ab1DMNhP (ORCPT ); Wed, 13 Apr 2011 09:37:15 -0400 From: Borislav Petkov To: Cc: Borislav Petkov , Russ Anderson , Prarit Bhargava , "Luck, Tony" , "dzickus@redhat.com" , "mstowe@redhat.com" , "dnelson@redhat.com" , "rja@americas.sgi.com" Subject: [PATCH 1/3] x86, MCE: Do not taint when correctable errors Date: Wed, 13 Apr 2011 15:36:48 +0200 Message-Id: <1302701810-2471-1-git-send-email-bp@amd64.org> X-Mailer: git-send-email 1.7.4.rc2 In-Reply-To: <20110413132409.GB1900@gere.osrc.amd.com> References: <20110413132409.GB1900@gere.osrc.amd.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Correctable errors are considered something rather normal on modern hardware these days. Even more importantly, correctable errors mean exactly that - they've been corrected by the hardware - and there's no need to taint the kernel since execution hasn't been compromised so far. Suggested-by: Tony Luck Signed-off-by: Borislav Petkov --- arch/x86/kernel/cpu/mcheck/mce.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 3385ea2..68e2303 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -590,7 +590,6 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b) if (!(flags & MCP_DONTLOG) && !mce_dont_log_ce) { mce_log(&m); atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, &m); - add_taint(TAINT_MACHINE_CHECK); } /* -- 1.7.4.rc2