From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759096Ab3K1PCP (ORCPT ); Thu, 28 Nov 2013 10:02:15 -0500 Received: from mail-qa0-f50.google.com ([209.85.216.50]:53209 "EHLO mail-qa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753335Ab3K1PCO (ORCPT ); Thu, 28 Nov 2013 10:02:14 -0500 Date: Thu, 28 Nov 2013 10:02:10 -0500 From: Tejun Heo To: Peter Zijlstra Cc: Oleg Nesterov , zhang.yi20@zte.com.cn, lkml , Tetsuo Handa , Ingo Molnar Subject: Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into userspace child Message-ID: <20131128150210.GI3925@htj.dyndns.org> References: <20131128091358.GH10022@twins.programming.kicks-ass.net> <20131128114542.GA3826@redhat.com> <20131128121748.GN10022@twins.programming.kicks-ass.net> <20131128133152.GA821@redhat.com> <20131128133947.GR10022@twins.programming.kicks-ass.net> <20131128141329.GB3925@htj.dyndns.org> <20131128143145.GT10022@twins.programming.kicks-ass.net> <20131128144359.GL3694@twins.programming.kicks-ass.net> <20131128145325.GG3925@htj.dyndns.org> <20131128145755.GY10022@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131128145755.GY10022@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 28, 2013 at 03:57:55PM +0100, Peter Zijlstra wrote: > Do you have a better definition that doesn't get in the way of people > wanting to do actual work? As written multiple times now, workqueue does have per-workqueue attributes and if you really want a dedicated worker thread, use a dedicated kthread. > So far I just see you breaking existing setups because you don't want to > support things that work perfectly well. It doesn't work as explained multiple times in this thread. -- tejun