Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756862AbYCEPgm (ORCPT ); Wed, 5 Mar 2008 10:36:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753362AbYCEPge (ORCPT ); Wed, 5 Mar 2008 10:36:34 -0500 Received: from mga06.intel.com ([134.134.136.21]:29395 "EHLO orsmga101.jf.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753302AbYCEPgd (ORCPT ); Wed, 5 Mar 2008 10:36:33 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.25,451,1199692800"; d="scan'208";a="260950977" Message-ID: <47CEBDC2.4070608@linux.intel.com> Date: Wed, 05 Mar 2008 07:35:30 -0800 From: Arjan van de Ven User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) MIME-Version: 1.0 To: Ingo Molnar 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 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> <20080304065305.GA32287@elte.hu> In-Reply-To: <20080304065305.GA32287@elte.hu> 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 Content-Length: 833 Lines: 21 Ingo Molnar wrote: > * 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? > http://www.fenrus.org/memory.asm.macro <-- failing one http://www.fenrus.org/memory.asm.inline <-- working one -- 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/