Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756355AbbGQPnV (ORCPT ); Fri, 17 Jul 2015 11:43:21 -0400 Received: from mail-yk0-f175.google.com ([209.85.160.175]:35281 "EHLO mail-yk0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752150AbbGQPnT (ORCPT ); Fri, 17 Jul 2015 11:43:19 -0400 Date: Fri, 17 Jul 2015 11:43:16 -0400 From: Tejun Heo To: Frederic Weisbecker Cc: Mike Galbraith , Daniel Bristot de Oliveira , LKML , Lai Jiangshan , Rik van Riel , "Luis Claudio R. Goncalves" Subject: Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by default Message-ID: <20150717154316.GE15934@mtj.duckdns.org> References: <9e53de7c91c885ee255e16ee25f401d9eedf08d9.1437067317.git.bristot@redhat.com> <20150716192448.GY15934@mtj.duckdns.org> <1437107190.3438.23.camel@gmail.com> <20150717152720.GD15934@mtj.duckdns.org> <20150717153507.GB20260@lerouge> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150717153507.GB20260@lerouge> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1065 Lines: 31 Hello, On Fri, Jul 17, 2015 at 05:35:09PM +0200, Frederic Weisbecker wrote: > Initializing wq unbound cpumask to housekeeping_mask is still the > plan. I just remember we didn't do it in Lai's series because it > was slightly unrelated. When a patchset is complicated, like Lai's, > it's better to keep it focus to a single purpose. > > Anyway that patch is welcome. Ah, cool, can you ack it explicitly? > > Yeah, I think I asked Lai to try a different approach where we > > regulate it from queueing path rather than playing with pwqs. I think > > that'd end up quite a bit simpler. > > Ordered workqueues aren't handled currently? I tried setting the unbound > cpumask and it also applied to khelper which is a singlethread (and thus > ordered) workqueue. Hmmm... AFAICS, it shouldn't work. Thanks. -- tejun -- 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/