Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751960AbWAEF57 (ORCPT ); Thu, 5 Jan 2006 00:57:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751961AbWAEF56 (ORCPT ); Thu, 5 Jan 2006 00:57:58 -0500 Received: from b3162.static.pacific.net.au ([203.143.238.98]:46475 "EHLO cunningham.myip.net.au") by vger.kernel.org with ESMTP id S1751960AbWAEF56 (ORCPT ); Thu, 5 Jan 2006 00:57:58 -0500 From: Nigel Cunningham Organization: Cyclades To: Nathan Lynch Subject: Re: [PATCH] fix workqueue oops during cpu offline Date: Thu, 5 Jan 2006 15:58:13 +1000 User-Agent: KMail/1.9.1 Cc: linux-kernel@vger.kernel.org, Ben Collins , Andrew Morton References: <20060105045810.GE16729@localhost.localdomain> In-Reply-To: <20060105045810.GE16729@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200601051558.14275.ncunningham@cyclades.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 761 Lines: 20 Hi. On Thursday 05 January 2006 14:58, Nathan Lynch wrote: > With 2.6.15, powerpc systems oops when cpu 0 is offlined. This is a > regression from 2.6.14, caused by commit id > bce61dd49d6ba7799be2de17c772e4c701558f14 ("Fix hardcoded cpu=0 in > workqueue for per_cpu_ptr() calls"). So it's valid on ppc for cpu 0 to be taken offline? IIRC, trying that on my P4 a while back did nothing. I think you'll find other places that assume that cpu 0 is always up (swsusp? ... I should check suspend2). Regards, Nigel - 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/