Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753055Ab0G0Rxm (ORCPT ); Tue, 27 Jul 2010 13:53:42 -0400 Received: from terminus.zytor.com ([198.137.202.10]:39321 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752865Ab0G0Rxk (ORCPT ); Tue, 27 Jul 2010 13:53:40 -0400 Message-ID: <4C4F1CE4.70605@zytor.com> Date: Tue, 27 Jul 2010 10:52:36 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1 MIME-Version: 1.0 To: Jeremy Fitzhardinge CC: Linus Torvalds , Avi Kivity , Ingo Molnar , Peter Palfrader , Greg KH , linux-kernel@vger.kernel.org, stable@kernel.org, stable-review@kernel.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Glauber Costa , Zachary Amsden , Marcelo Tosatti Subject: Re: [patch 134/149] x86, paravirt: Add a global synchronization point for pvclock References: <20100701175144.GA2116@kroah.com> <20100701173218.125822294@clark.site> <20100707124731.GJ15122@anguilla.noreply.org> <4C359D5A.1050906@redhat.com> <20100713102350.GW15122@anguilla.noreply.org> <4C3C68C8.4060409@redhat.com> <20100713141902.GB15122@anguilla.noreply.org> <4C3C8CE5.1080705@redhat.com> <4C3CAAC6.501@redhat.com> <4C4F1B6D.1070207@goop.org> In-Reply-To: <4C4F1B6D.1070207@goop.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1043 Lines: 28 On 07/27/2010 10:46 AM, Jeremy Fitzhardinge wrote: > On 07/13/2010 11:15 AM, Linus Torvalds wrote: >> On Tue, Jul 13, 2010 at 11:04 AM, Avi Kivity wrote: >>> Well, current upstream uses "m": >> Yes, I'd expect current 2.6.34 to also show the same problem. >> >>> and works; I also failed to reproduce with 2.6.32.16. So I expect some >>> toolchain involvement. >> And yes, I do believe it's likely a newer gcc that triggers it too, >> otherwise we'd have seen more reports of it. > > Did anyone get around to doing a proper fix for this? I don't see one > in tip.git or linux-2.6.git. And it needs to get back into stable... > I'll go ahead and write it up. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/