Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761768AbXHEUOx (ORCPT ); Sun, 5 Aug 2007 16:14:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752755AbXHEUOq (ORCPT ); Sun, 5 Aug 2007 16:14:46 -0400 Received: from mtagate5.uk.ibm.com ([195.212.29.138]:46785 "EHLO mtagate5.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753498AbXHEUOp (ORCPT ); Sun, 5 Aug 2007 16:14:45 -0400 Date: Sun, 5 Aug 2007 22:14:28 +0200 From: Heiko Carstens To: Jan Engelhardt Cc: =?iso-8859-1?Q?J=F6rg?= Hoffmann , linux-kernel@vger.kernel.org Subject: Re: [Patch] panic.c Message-ID: <20070805201428.GA18654@osiris.ibm.com> References: <006701c7d775$53137cc0$6800a8c0@jhnotebook> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.15 (2007-04-06) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 746 Lines: 14 > >The idea behind this is to keep the power usage on panic?d machines > >(without auto-reboot) low. Another point is in an Virtual Machine > >environment the process of the VM is using 100% of the host-cpu. This > >would stuck other programs or VMs. This patch brings the VM to stop and > >keeps the cpu usage below 1%. For VM environments it would be better to have an interface that tells the hypervisor that your guest is dead. That's what the disabled_wait() line in panic() is good for on s390. - 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/