From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753448Ab1DOIqZ (ORCPT ); Fri, 15 Apr 2011 04:46:25 -0400 Received: from s15228384.onlinehome-server.info ([87.106.30.177]:40321 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753177Ab1DOIqU (ORCPT ); Fri, 15 Apr 2011 04:46:20 -0400 From: Borislav Petkov To: "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner Cc: Prarit Bhargava , Tony Luck , Russ Anderson , LKML , EDAC devel , Borislav Petkov Subject: [PATCH 1/2] x86, MCE: Do not taint when handling correctable errors Date: Fri, 15 Apr 2011 10:45:40 +0200 Message-Id: <1302857141-17580-1-git-send-email-bp@amd64.org> X-Mailer: git-send-email 1.7.4.rc2 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