From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933563AbaCQPQi (ORCPT ); Mon, 17 Mar 2014 11:16:38 -0400 Received: from merlin.infradead.org ([205.233.59.134]:35704 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933452AbaCQPQP (ORCPT ); Mon, 17 Mar 2014 11:16:15 -0400 Date: Mon, 17 Mar 2014 16:16:01 +0100 From: Peter Zijlstra To: "Jason J. Herne" Cc: Tejun Heo , Lai Jiangshan , linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: Subject: Warning in workqueue.c Message-ID: <20140317151601.GH25546@laptop.programming.kicks-ass.net> References: <52FB90C6.4010701@linux.vnet.ibm.com> <52FC3C83.8020303@cn.fujitsu.com> <52FD07B2.5080402@linux.vnet.ibm.com> <20140213204102.GC17608@htj.dyndns.org> <20140214160923.GK27965@twins.programming.kicks-ass.net> <20140214162556.GF31544@htj.dyndns.org> <530B5EE3.8050200@linux.vnet.ibm.com> <20140224183501.GC2522@htj.dyndns.org> <20140225103726.GJ9987@twins.programming.kicks-ass.net> <531DCE36.8010906@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <531DCE36.8010906@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 10, 2014 at 10:37:42AM -0400, Jason J. Herne wrote: > > Did you intend for me to run with this patch or was it posted for discussion > only? If you want it run, please tell me what to look for. > Also, if I should run this, should I include any other patches, either the > last one you posted in this thread or any of Tejun's? It needs some workqueue side debugging too; I'm not entirely sure where the moving back to the online cpu happens, but you want to check the set_cpus_allowed_ptr() return value there.