From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751308AbXCWBut (ORCPT ); Thu, 22 Mar 2007 21:50:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932398AbXCWBut (ORCPT ); Thu, 22 Mar 2007 21:50:49 -0400 Received: from gw.goop.org ([64.81.55.164]:46492 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750878AbXCWBus (ORCPT ); Thu, 22 Mar 2007 21:50:48 -0400 Message-ID: <46033204.8030601@goop.org> Date: Thu, 22 Mar 2007 18:48:52 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Dave Jones , Jeremy Fitzhardinge , "Cestonaro, Thilo (external)" , Lee Revell , linux-kernel@vger.kernel.org Subject: Re: how can I touch softlockup watchdog on all cpus? References: <20070321164404.GF13218@redhat.com> <75b66ecd0703220830wdb4a612u86c80e71d4918cc4@mail.gmail.com> <75b66ecd0703220917w2fa7c6afs4817b689f8a2e98f@mail.gmail.com> <4603075E.4090001@goop.org> <20070323011617.GB1367@redhat.com> In-Reply-To: <20070323011617.GB1367@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dave Jones wrote: > He wants to do this with interrupts off. on_each_cpu won't work in > that situation. > I was thinking just before his big pause. But it sounds like its fairly marginal. > > Or patch the softlockup watchdog to add a way to temporarily disable it. > > Seems pretty much the only way you could make this work. > Yep. The patches I just posted might do the trick. J