From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161027AbWGIP2E (ORCPT ); Sun, 9 Jul 2006 11:28:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161029AbWGIP2E (ORCPT ); Sun, 9 Jul 2006 11:28:04 -0400 Received: from smtp.osdl.org ([65.172.181.4]:2730 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1161027AbWGIP2C (ORCPT ); Sun, 9 Jul 2006 11:28:02 -0400 Date: Sun, 9 Jul 2006 08:27:15 -0700 (PDT) From: Linus Torvalds To: Roman Zippel cc: Keith Owens , Andi Kleen , Jan Hubicka , "David S. Miller" , Richard Henderson , Ingo Molnar , Andrew Morton , Linux Kernel Mailing List , arjan@infradead.org Subject: Re: [patch] spinlocks: remove 'volatile' In-Reply-To: Message-ID: References: <31410.1152414469@ocs3.ocs.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 9 Jul 2006, Roman Zippel wrote: > > On Sat, 8 Jul 2006, Linus Torvalds wrote: > > > > but we've been using that "+m" format for a long time already (and I > > _think_ we did so at the suggestion of gcc people), and it would be much > > better if the gcc documentation was just fixed here. > > IIRC early 4.0 had problems with "+m" and did what the documentation says, > but that got quickly fixed. > Here is the old thread http://marc.theaimsgroup.com/?t=108384517900001&r=1&w=2 Thanks. That one implies that we had some strange warnings (but it apparently still worked) with 3.4, and it's since gotten fixed. Goodie. I'll leave the "+m" alone then, both the old and the new ones. Linus