Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757374AbZKSQQz (ORCPT ); Thu, 19 Nov 2009 11:16:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753706AbZKSQQy (ORCPT ); Thu, 19 Nov 2009 11:16:54 -0500 Received: from terminus.zytor.com ([198.137.202.10]:42992 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753543AbZKSQQy (ORCPT ); Thu, 19 Nov 2009 11:16:54 -0500 Message-ID: <4B056E32.3010809@zytor.com> Date: Thu, 19 Nov 2009 08:11:30 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091014 Fedora/3.0-2.8.b4.fc11 Thunderbird/3.0b4 MIME-Version: 1.0 To: rostedt@goodmis.org CC: Andrew Haley , Thomas Gleixner , Ingo Molnar , LKML , Andrew Morton , Heiko Carstens , feng.tang@intel.com, Fr??d??ric Weisbecker , Peter Zijlstra , jakub@redhat.com, gcc@gcc.gnu.org Subject: Re: BUG: GCC-4.4.x changes the function frame on some functions References: <20091119072040.GA23579@elte.hu> <4B0567E0.5080803@redhat.com> <1258646552.22249.493.camel@gandalf.stny.rr.com> In-Reply-To: <1258646552.22249.493.camel@gandalf.stny.rr.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 795 Lines: 25 On 11/19/2009 08:02 AM, Steven Rostedt wrote: > On Thu, 2009-11-19 at 15:44 +0000, Andrew Haley wrote: >> Thomas Gleixner wrote: > >> We're aligning the stack properly, as per the ABI requirements. Can't >> you just fix the tracer? > > And how do we do that? The hooks that are in place have no idea of what > happened before they were called? > Furthermore, it is nonsense -- ABI stack alignment on *32 bits* is 4 bytes, not 16. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/