From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755531AbcECHsY (ORCPT ); Tue, 3 May 2016 03:48:24 -0400 Received: from terminus.zytor.com ([198.137.202.10]:37020 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750779AbcECHsE (ORCPT ); Tue, 3 May 2016 03:48:04 -0400 Date: Tue, 3 May 2016 00:46:54 -0700 From: tip-bot for Aravind Gopalakrishnan Message-ID: Cc: Yazen.Ghannam@amd.com, peterz@infradead.org, luto@amacapital.net, hpa@zytor.com, linux-kernel@vger.kernel.org, tony.luck@intel.com, torvalds@linux-foundation.org, Aravind.Gopalakrishnan@amd.com, mingo@kernel.org, dvlasenk@redhat.com, brgerst@gmail.com, bp@suse.de, bp@alien8.de, aravindksg.lkml@gmail.com, tglx@linutronix.de, linux-edac@vger.kernel.org Reply-To: linux-edac@vger.kernel.org, tglx@linutronix.de, aravindksg.lkml@gmail.com, bp@alien8.de, bp@suse.de, brgerst@gmail.com, mingo@kernel.org, dvlasenk@redhat.com, Aravind.Gopalakrishnan@amd.com, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, tony.luck@intel.com, peterz@infradead.org, hpa@zytor.com, luto@amacapital.net, Yazen.Ghannam@amd.com In-Reply-To: <1462019637-16474-2-git-send-email-bp@alien8.de> References: <1459886686-13977-2-git-send-email-Yazen.Ghannam@amd.com> <1462019637-16474-2-git-send-email-bp@alien8.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:ras/core] x86/mce: Log MCEs after a warm rest on AMD, Fam17h and later Git-Commit-ID: 10001d91aa0efc793952051f9070a569cc388ebc X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 10001d91aa0efc793952051f9070a569cc388ebc Gitweb: http://git.kernel.org/tip/10001d91aa0efc793952051f9070a569cc388ebc Author: Aravind Gopalakrishnan AuthorDate: Sat, 30 Apr 2016 14:33:51 +0200 Committer: Ingo Molnar CommitDate: Tue, 3 May 2016 08:24:15 +0200 x86/mce: Log MCEs after a warm rest on AMD, Fam17h and later For Fam17h, we want to report errors that persist across reboots. Error persistence is dependent on HW and no BIOS currently fiddles with values here. So allow reporting of errors upon boot until something goes wrong. Logging is disabled on older families because BIOS didn't clear the MCA banks after a cold reset. Signed-off-by: Aravind Gopalakrishnan Signed-off-by: Yazen Ghannam Signed-off-by: Borislav Petkov Cc: Andy Lutomirski Cc: Aravind Gopalakrishnan Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Tony Luck Cc: linux-edac Link: http://lkml.kernel.org/r/1459886686-13977-2-git-send-email-Yazen.Ghannam@amd.com Link: http://lkml.kernel.org/r/1462019637-16474-2-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/mcheck/mce.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 6b7039c..43f8b49 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1495,7 +1495,7 @@ static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) */ clear_bit(10, (unsigned long *)&mce_banks[4].ctl); } - if (c->x86 <= 17 && cfg->bootlog < 0) { + if (c->x86 < 17 && cfg->bootlog < 0) { /* * Lots of broken BIOS around that don't clear them * by default and leave crap in there. Don't log: