Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754020AbYG1FMS (ORCPT ); Mon, 28 Jul 2008 01:12:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750920AbYG1FMJ (ORCPT ); Mon, 28 Jul 2008 01:12:09 -0400 Received: from relay2.sgi.com ([192.48.171.30]:46215 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750795AbYG1FMI (ORCPT ); Mon, 28 Jul 2008 01:12:08 -0400 Date: Mon, 28 Jul 2008 00:12:05 -0500 From: Paul Jackson To: Paul Jackson Cc: lizf@cn.fujitsu.com, akpm@linux-foundation.org, menage@google.com, seto.hidetoshi@jp.fujitsu.com, laijs@cn.fujitsu.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] cpuset: clean up cpuset hierarchy traversal code Message-Id: <20080728001205.f3801aca.pj@sgi.com> In-Reply-To: <20080727233746.7f057e74.pj@sgi.com> References: <488D332A.1030008@cn.fujitsu.com> <20080727233746.7f057e74.pj@sgi.com> Organization: SGI X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.12.0; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 674 Lines: 17 pj wrote: > Can you figure out if we are holding any system wide lock, such as > cgroup_mutex, at this point? Nevermind ... this is in rebuild_sched_domains(), which must be called with cgroup_mutex held. So we danged well better be holding a system wide lock. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.940.382.4214 -- 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/