Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760738AbYGJTWR (ORCPT ); Thu, 10 Jul 2008 15:22:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754498AbYGJTWF (ORCPT ); Thu, 10 Jul 2008 15:22:05 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:39631 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753964AbYGJTWC (ORCPT ); Thu, 10 Jul 2008 15:22:02 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Christoph Lameter Cc: "H. Peter Anvin" , Jeremy Fitzhardinge , Ingo Molnar , Mike Travis , Andrew Morton , Jack Steiner , linux-kernel@vger.kernel.org, Arjan van de Ven References: <20080709165129.292635000@polaris-admin.engr.sgi.com> <20080709200757.GD14009@elte.hu> <48751B57.8030605@goop.org> <48751CF9.4020901@linux-foundation.org> <4875209D.8010603@goop.org> <48752CCD.30507@linux-foundation.org> <48753C99.5050408@goop.org> <487555A8.2050007@zytor.com> <487556A5.5090907@goop.org> <4876194E.4080205@linux-foundation.org> <48761C06.3020003@zytor.com> <48762A3B.5050104@linux-foundation.org> <48762DD2.5090802@zytor.com> <487637A1.4080403@linux-foundation.org> <4876492E.90901@linux-foundation.org> Date: Thu, 10 Jul 2008 12:12:58 -0700 In-Reply-To: <4876492E.90901@linux-foundation.org> (Christoph Lameter's message of "Thu, 10 Jul 2008 12:38:54 -0500") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SA-Exim-Connect-IP: 24.130.11.59 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-DCC: XMission; sa03 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Christoph Lameter X-Spam-Relay-Country: X-Spam-Report: * -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -1.1 BAYES_05 BODY: Bayesian spam probability is 1 to 5% * [score: 0.0111] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa03 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 XM_SPF_Neutral SPF-Neutral Subject: Re: [RFC 00/15] x86_64: Optimize percpu accesses X-SA-Exim-Version: 4.2 (built Thu, 03 Mar 2005 10:44:12 +0100) X-SA-Exim-Scanned: Yes (on mgr1.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 734 Lines: 23 Christoph Lameter writes: > The patches are reasonably small. The problem that Mike seems to have is early > boot debugging. I didn't say small. I said do one thing at a time. Mike is addressing this. Fundamentally the problem is that we are seeing weird failures and there is not enough granularity in the patches to test which part of the patch the failure comes from. The fact that the failures happen early in boot just makes it worse to debug. Eric -- 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/