Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761347AbXHWKi4 (ORCPT ); Thu, 23 Aug 2007 06:38:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759272AbXHWKiq (ORCPT ); Thu, 23 Aug 2007 06:38:46 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:43598 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758815AbXHWKin (ORCPT ); Thu, 23 Aug 2007 06:38:43 -0400 Date: Thu, 23 Aug 2007 12:38:35 +0200 From: Ingo Molnar To: "Siddha, Suresh B" Cc: nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: [patch] sched: fix broken smt/mc optimizations with CFS Message-ID: <20070823103835.GA10435@elte.hu> References: <20070816010150.GG10033@linux-os.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070816010150.GG10033@linux-os.sc.intel.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 686 Lines: 19 * Siddha, Suresh B wrote: > Ingo, let me know if there any side effects of this change. Thanks. > --- > > On a four package system with HT - HT load balancing optimizations > were broken. For example, if two tasks end up running on two logical > threads of one of the packages, scheduler is not able to pull one of > the tasks to a completely idle package. thanks, i've applied your fix to my queue. 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/