From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751468AbXCVWqw (ORCPT ); Thu, 22 Mar 2007 18:46:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752577AbXCVWqw (ORCPT ); Thu, 22 Mar 2007 18:46:52 -0400 Received: from gw.goop.org ([64.81.55.164]:35585 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751468AbXCVWqv (ORCPT ); Thu, 22 Mar 2007 18:46:51 -0400 Message-ID: <4603075E.4090001@goop.org> Date: Thu, 22 Mar 2007 15:46:54 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: "Cestonaro, Thilo \(external\)" CC: 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> In-Reply-To: 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 Cestonaro, Thilo (external) wrote: > It's a condition of a customer of us, so I can't change it. > > But it happens not often that my part is used. So I thought there is a mechanism to disable or reset the watchdog > because it is a legal pause for it. And there is one "touch_softlockup_watchdog()", that does what I want, > BUT just for the current cpu. And so the watchdog blats from the other cpu. > on_each_cpu(touch_softlockup_watchdog, NULL, 0, 0)? Or patch the softlockup watchdog to add a way to temporarily disable it. J