Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756392AbYHUVZE (ORCPT ); Thu, 21 Aug 2008 17:25:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751371AbYHUVYz (ORCPT ); Thu, 21 Aug 2008 17:24:55 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:47446 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751004AbYHUVYz (ORCPT ); Thu, 21 Aug 2008 17:24:55 -0400 Date: Thu, 21 Aug 2008 14:18:27 -0700 (PDT) From: Linus Torvalds To: Jeremy Fitzhardinge cc: Nick Piggin , jmerkey@wolfmountaingroup.com, Stefan Richter , paulmck@linux.vnet.ibm.com, Peter Zijlstra , linux-kernel@vger.kernel.org, David Howells Subject: Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc4 released In-Reply-To: <48ADD8DE.3010209@goop.org> Message-ID: References: <200808210250.m7L2obNX028353@wolfmountaingroup.com> <48AD5A21.7020801@s5r6.in-berlin.de> <43593.166.70.238.46.1219321595.squirrel@webmail.wolfmountaingroup.com> <200808212337.38626.nickpiggin@yahoo.com.au> <48ADD8DE.3010209@goop.org> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 555 Lines: 16 On Thu, 21 Aug 2008, Jeremy Fitzhardinge wrote: > > "asm volatile" also has no effect on the ordering of the asm with > respect to other code; you must use constraints to do that. Well, the gcc docs at _used_ to say that volatile asms are not moved around "significantly". They've removed that. Linus -- 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/