Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937833AbXHPB1q (ORCPT ); Wed, 15 Aug 2007 21:27:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932954AbXHPB1c (ORCPT ); Wed, 15 Aug 2007 21:27:32 -0400 Received: from gate.crashing.org ([63.228.1.57]:34209 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757786AbXHPB1a (ORCPT ); Wed, 15 Aug 2007 21:27:30 -0400 In-Reply-To: <20070815234021.GA28775@gondor.apana.org.au> References: <46C32618.2080108@redhat.com> <20070815234021.GA28775@gondor.apana.org.au> Mime-Version: 1.0 (Apple Message framework v623) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <3694fb2e4ed1e4d9bf873c0d050c911e@kernel.crashing.org> Content-Transfer-Encoding: 7bit Cc: heiko.carstens@de.ibm.com, horms@verge.net.au, linux-kernel@vger.kernel.org, rpjday@mindspring.com, ak@suse.de, netdev@vger.kernel.org, cfriesen@nortel.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, jesper.juhl@gmail.com, linux-arch@vger.kernel.org, zlynx@acm.org, satyam@infradead.org, clameter@sgi.com, schwidefsky@de.ibm.com, Chris Snook , davem@davemloft.net, wensong@linux-vs.org, wjiang@resilience.com From: Segher Boessenkool Subject: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures Date: Thu, 16 Aug 2007 03:26:02 +0200 To: Herbert Xu X-Mailer: Apple Mail (2.623) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 625 Lines: 19 >> Part of the motivation here is to fix heisenbugs. If I knew where >> they > > By the same token we should probably disable optimisations > altogether since that too can create heisenbugs. Almost everything is a tradeoff; and so is this. I don't believe most people would find disabling all compiler optimisations an acceptable price to pay for some peace of mind. Segher - 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/