Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030347AbWJSJAI (ORCPT ); Thu, 19 Oct 2006 05:00:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030328AbWJSJAI (ORCPT ); Thu, 19 Oct 2006 05:00:08 -0400 Received: from mailout1.vmware.com ([65.113.40.130]:48052 "EHLO mailout1.vmware.com") by vger.kernel.org with ESMTP id S1030347AbWJSJAD (ORCPT ); Thu, 19 Oct 2006 05:00:03 -0400 Message-ID: <45373E92.1070200@vmware.com> Date: Thu, 19 Oct 2006 02:00:02 -0700 From: Zachary Amsden User-Agent: Thunderbird 1.5.0.7 (X11/20060909) MIME-Version: 1.0 To: Jeremy Fitzhardinge Cc: caglar@pardus.org.tr, Andi Kleen , lkml , Virtualization Mailing List , Greg KH , Andrew Morton Subject: Re: [PATCH] Fix potential interrupts during alternative patching [was Re: [RFC] Avoid PIT SMP lockups] References: <1160170736.6140.31.camel@localhost.localdomain> <453404F6.5040202@vmware.com> <200610170121.51492.caglar@pardus.org.tr> <200610171505.53576.caglar@pardus.org.tr> <453730B7.3040906@vmware.com> <45373C1D.9080808@goop.org> In-Reply-To: <45373C1D.9080808@goop.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 709 Lines: 16 Jeremy Fitzhardinge wrote: > Zachary Amsden wrote: >> So this patch is an obvious bugfix - please apply, and to stable as >> well. I'm not sure when this broke, but taking interrupts in the >> middle of self modifying code is not a pretty sight. > > I had actually seen this when I built the Xen paravirt kernel with SMP > on, but I assumed it was something in the pv_ops tree rather than > mainline... Very likely to show up in qemu as well, if you use that. - 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/