Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754130AbZJAPM5 (ORCPT ); Thu, 1 Oct 2009 11:12:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753660AbZJAPM5 (ORCPT ); Thu, 1 Oct 2009 11:12:57 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:41484 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753612AbZJAPM4 (ORCPT ); Thu, 1 Oct 2009 11:12:56 -0400 Date: Thu, 1 Oct 2009 17:12:11 +0200 From: Ingo Molnar To: Andrew Morton , Arnaldo Carvalho de Melo , Clark Williams , Steven Rostedt , Peter Zijlstra , =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker Cc: Tejun Heo , jeff@garzik.org, linux-kernel@vger.kernel.org, jens.axboe@oracle.com, rusty@rustcorp.com.au, cl@linux-foundation.org, dhowells@redhat.com, arjan@linux.intel.com Subject: Re: [PATCH 19/19] workqueue: implement concurrency managed workqueue Message-ID: <20091001151211.GA24308@elte.hu> References: <1254384558-1018-1-git-send-email-tj@kernel.org> <1254384558-1018-20-git-send-email-tj@kernel.org> <20091001074959.dbdf6f6a.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091001074959.dbdf6f6a.akpm@linux-foundation.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 932 Lines: 27 * Andrew Morton wrote: > On Thu, 1 Oct 2009 17:09:18 +0900 Tejun Heo wrote: > > > To solve the above issues, this patch implements concurrency-managed > > workqueue. > > Seems reasonable. > > This approach would appear to rule out the option of setting a work > thread's state (scheduling policy, scheduling priority, uid, etc) to > anything other than some default. > > I guess that's unlikely to be a problem if we haven't yet had a need > to do that, but I'd be a bit surprised to discover that nobody has > done that sort of thing yet? Nobody has niced up their workqueue > threads? tuna in -rt might do that perhaps? Ingo -- 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/