Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762258AbZD3MVa (ORCPT ); Thu, 30 Apr 2009 08:21:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753837AbZD3MVU (ORCPT ); Thu, 30 Apr 2009 08:21:20 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:56332 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753136AbZD3MVU (ORCPT ); Thu, 30 Apr 2009 08:21:20 -0400 Date: Thu, 30 Apr 2009 14:21:01 +0200 From: Ingo Molnar To: Borislav Petkov Cc: Andi Kleen , akpm@linux-foundation.org, greg@kroah.com, tglx@linutronix.de, hpa@zytor.com, dougthompson@xmission.com, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 00/21 v2] amd64_edac: EDAC module for AMD64 Message-ID: <20090430122101.GA32751@elte.hu> References: <1241024107-14535-1-git-send-email-borislav.petkov@amd.com> <87iqknp8a0.fsf@basil.nowhere.org> <20090430115741.GA23634@aftab> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090430115741.GA23634@aftab> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1026 Lines: 24 * Borislav Petkov wrote: > > -Andi (who thinks all of this decoding should be in user space > > anyways) > > Think of a big data center with a thousands of 2,4,8 socket blades > and the admin collecting mce output and running around decoding > the errors on his workstation. Even worse, the blades have > different DIMM configurations due to hw upgrades/newer machines. > I'd much rather have the complete decoding done in kernel, where > all the information needed for proper decoding is present and with > the error landing in syslog or some other monitored buffer instead > of reconstructing it in userspace. Yes, this aspect of the design is correct. The MCE code is seriously mis-designed that way, lets not repeat it for EDAC :) Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/