From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759453Ab2AMXNz (ORCPT ); Fri, 13 Jan 2012 18:13:55 -0500 Received: from mga02.intel.com ([134.134.136.20]:55372 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756145Ab2AMXNx (ORCPT ); Fri, 13 Jan 2012 18:13:53 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="98292684" Message-ID: <4F10BAB0.70308@linux.intel.com> Date: Fri, 13 Jan 2012 15:13:52 -0800 From: Andi Kleen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 MIME-Version: 1.0 To: Linus Torvalds CC: "Srivatsa S. Bhat" , Ming Lei , Djalal Harouni , Borislav Petkov , Tony Luck , Hidetoshi Seto , Ingo Molnar , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Kay Sievers , gouders@et.bocholt.fh-gelsenkirchen.de, Marcos Souza , Linux PM mailing list , "Rafael J. Wysocki" , "tglx@linutronix.de" , prasad@linux.vnet.ibm.com, justinmattock@gmail.com, Jeff Chua Subject: Re: x86/mce: machine check warning during poweroff References: <20120111000051.GA28874@dztty> <4F10929E.8070007@linux.vnet.ibm.com> <4F1099CA.7090209@linux.vnet.ibm.com> <4F10A0FD.9040504@linux.intel.com> In-Reply-To: <4F10A0FD.9040504@linux.intel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Assuming the problem is with the multiple devices (not fully sure): > > The redundant devices don't make much sense anyways, they are all > mirrors of each other > (state changes always affect all CPUs) Could just collapse down to a > single device and symlink > the others. Checking again it seems like the AMD threshold code reports per CPU counters so it would still need per CPU devices. All the other code is just a single instance I believe and doesn't actually need all the complicated per CPU code. -Andi