Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754456Ab0F2Vi6 (ORCPT ); Tue, 29 Jun 2010 17:38:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41852 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751903Ab0F2Vi5 (ORCPT ); Tue, 29 Jun 2010 17:38:57 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <4C2A2688.1020206@kernel.org> References: <4C2A2688.1020206@kernel.org> <1277759063-24607-1-git-send-email-tj@kernel.org> <1277759063-24607-35-git-send-email-tj@kernel.org> <20100628225513.GB10104@nowhere> <4C299FD8.7030904@kernel.org> <20100629121855.GA5318@nowhere> <4C2A1558.7060007@kernel.org> <20100629155228.GK5318@nowhere> <4C2A176F.1090101@kernel.org> <4C2A220B.8080006@linux.intel.com> To: Tejun Heo Cc: dhowells@redhat.com, Arjan van de Ven , Frederic Weisbecker , torvalds@linux-foundation.org, mingo@elte.hu, linux-kernel@vger.kernel.org, jeff@garzik.org, akpm@linux-foundation.org, rusty@rustcorp.com.au, cl@linux-foundation.org, oleg@redhat.com, axboe@kernel.dk, dwalker@codeaurora.org, stefanr@s5r6.in-berlin.de, florian@mickler.org, andi@firstfloor.org, mst@redhat.com, randy.dunlap@oracle.com, Arjan van de Ven Subject: Re: [PATCH 34/35] async: use workqueue for worker pool Date: Tue, 29 Jun 2010 22:37:35 +0100 Message-ID: <25085.1277847455@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 643 Lines: 18 Tejun Heo wrote: > Hmmm... workqueue workers are bound to certain cpu, so if you schedule > a work on a specific CPU, it will run there. That's my main problem with using cmwq to replace slow-work. > Once a cpu gets saturated, the issuing thread will be moved elsewhere. Assuming that the issuing thread isn't bound by the condition specified in the previous sentence... David -- 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/