Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762822AbYCDGxx (ORCPT ); Tue, 4 Mar 2008 01:53:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757584AbYCDGxb (ORCPT ); Tue, 4 Mar 2008 01:53:31 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:53367 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756726AbYCDGxa (ORCPT ); Tue, 4 Mar 2008 01:53:30 -0500 Date: Tue, 4 Mar 2008 07:53:05 +0100 From: Ingo Molnar To: Arjan van de Ven Cc: Linus Torvalds , hans.rosenfeld@amd.com, linux-kernel@vger.kernel.org, Thomas Gleixner , "H. Peter Anvin" Subject: Re: bisected boot regression post 2.6.25-rc3.. please revert Message-ID: <20080304065305.GA32287@elte.hu> References: <20080301105646.2c8620d9@laptopd505.fenrus.org> <20080303074620.GC5934@elte.hu> <20080303091304.GA17911@elte.hu> <47CC2A3D.1000307@linux.intel.com> <20080303174009.GA19131@elte.hu> <47CC451A.2060501@linux.intel.com> <47CC74E6.60306@linux.intel.com> <47CCA03D.9040007@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47CCA03D.9040007@linux.intel.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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: 689 Lines: 20 * Arjan van de Ven wrote: >> I'm staring at the disassembly and it's quite different but >> follow_page() is rather large; trying to make a smaller testcase now > > sadly a more isolated testcase doesn't show the same behavior yet; so > it's some fun interaction ;( > > more staring at the assembly for me could you post the "bad" and the "good" disassembled functions, and the specific gcc version string? 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/