Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932094AbYF3Tdv (ORCPT ); Mon, 30 Jun 2008 15:33:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753870AbYF3Tdk (ORCPT ); Mon, 30 Jun 2008 15:33:40 -0400 Received: from relay1.sgi.com ([192.48.171.29]:54712 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1764148AbYF3Tdj (ORCPT ); Mon, 30 Jun 2008 15:33:39 -0400 Date: Mon, 30 Jun 2008 14:33:34 -0500 From: Paul Jackson To: Max Krasnyansky Cc: heiko.carstens@de.ibm.com, oleg@tv-sign.ru, akpm@linux-foundation.org, ego@in.ibm.com, menage@google.com, peterz@infradead.org, vegard.nossum@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] S390 topology: don't use kthread() for arch_reinit_sched_domains() Message-Id: <20080630143334.66033f60.pj@sgi.com> In-Reply-To: <48692D7C.10403@qualcomm.com> References: <20080629165132.GA11218@tv-sign.ru> <20080630134537.GC7686@osiris.boeblingen.de.ibm.com> <48692D7C.10403@qualcomm.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: 774 Lines: 18 Max wrote: > we either have to ... or change arch_init_sched_domains() to no destroy > current domains. I might be misreading this, but I doubt that just not destroying current domains is an option. Once any CPU goes on or off line, the only way back to the new correct sched domain configuration is via the rebuild_sched_domains() routine in kernel/cpuset.c. -- 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/