Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755621AbXKDR6d (ORCPT ); Sun, 4 Nov 2007 12:58:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753509AbXKDR60 (ORCPT ); Sun, 4 Nov 2007 12:58:26 -0500 Received: from mx1.redhat.com ([66.187.233.31]:33325 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753026AbXKDR6Z (ORCPT ); Sun, 4 Nov 2007 12:58:25 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18222.2107.914484.284023@zebedee.pink> Date: Sun, 4 Nov 2007 17:58:19 +0000 From: Andrew Haley To: Linus Torvalds Cc: Bart Van Assche , Linux Kernel Mailing List , Tomash Brechko Subject: Re: Is gcc thread-unsafe? In-Reply-To: References: <18210.2314.57767.962503@zebedee.pink> <18215.1394.294830.944162@zebedee.pink> <18219.17505.443550.620503@zebedee.pink> X-Mailer: VM 7.19 under Emacs 22.0.93.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1266 Lines: 31 Linus Torvalds writes: > > > On Sun, 4 Nov 2007, Bart Van Assche wrote: > > > > Has it already been decided who will do this audit, and when this > > audit will happen ? Has a target date been set when this audit > > should be complete, or is the completion of this audit a > > requirement for the release of a specific gcc version ? > > I am told that the gcc people realized that was indeed a bug > (people were able to show problems even in non-threaded > environments with mprotect()), and have now fixed it in the current > gcc sources. That still leaves the old versions with potential > problems, but I think it makes it much less interesting to audit > for these things. We're back-porting the patch to all open branches. However, this patch only affects one paticular case where gcc introduces a data race; we're sure there are others not fixed. Andrew. -- Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, UK Registered in England and Wales No. 3798903 - 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/