Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261638AbVBOHDB (ORCPT ); Tue, 15 Feb 2005 02:03:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261642AbVBOHDB (ORCPT ); Tue, 15 Feb 2005 02:03:01 -0500 Received: from mx1.elte.hu ([157.181.1.137]:31120 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261638AbVBOHC7 (ORCPT ); Tue, 15 Feb 2005 02:02:59 -0500 Date: Tue, 15 Feb 2005 08:02:17 +0100 From: Ingo Molnar To: Nathan Lynch Cc: Zwane Mwaikambo , lkml , Rusty Russell Subject: Re: 2.6-bk: cpu hotplug + preempt = smp_processor_id warnings galore Message-ID: <20050215070217.GB13568@elte.hu> References: <20050211232821.GA14499@otto> <20050214215948.GA22304@otto> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050214215948.GA22304@otto> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 741 Lines: 23 * Nathan Lynch wrote: > Works ok here. > > It looks as if we need to explicitly bind worker threads to a newly > onlined cpu. This gets rid of the smp_processor_id warnings from > cache_reap. Adding a little more instrumentation to the debug > smp_processor_id showed that new worker threads were actually running > on the wrong cpu... > > Does this look ok? indeed - looks much better than the 'turn off the warning' solution. Acked-by: Ingo Molnar 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/