From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761383AbZEOOmx (ORCPT ); Fri, 15 May 2009 10:42:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753892AbZEOOmq (ORCPT ); Fri, 15 May 2009 10:42:46 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:40923 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753442AbZEOOmp (ORCPT ); Fri, 15 May 2009 10:42:45 -0400 Date: Fri, 15 May 2009 16:42:26 +0200 From: Ingo Molnar To: Steven Rostedt Cc: LKML , Frederic Weisbecker , Andrew Morton , stable@kernel.org Subject: Re: [PATCH][GIT PULL] x86/function-graph: fix constraint for recording old return value Message-ID: <20090515144226.GA10559@elte.hu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) 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 * Steven Rostedt wrote: > Ingo, > > After upgrading my distcc boxes from gcc 4.2.2 to 4.4.0, function > graph tracer broke. Seems that the variable "old" needs to be > denoted as an "early clobber". I've put this against the urgent > tree and I'm Cc'ing stable because by the time 30 (and other) > kernels get to users, they may be using gcc 4.4.0. I would expect > that we will get more complaints about this as more people start > using the newer gcc. > > -- Steve > > > Please pull the latest tip/tracing/urgent tree, which can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.git > tip/tracing/urgent > > > Steven Rostedt (1): > x86/function-graph: fix constraint for recording old return value > > ---- > arch/x86/kernel/ftrace.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) Pulled, thanks Steve! Ingo