Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753286AbYKSMv6 (ORCPT ); Wed, 19 Nov 2008 07:51:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752520AbYKSMvt (ORCPT ); Wed, 19 Nov 2008 07:51:49 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:34982 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752401AbYKSMvt (ORCPT ); Wed, 19 Nov 2008 07:51:49 -0500 Date: Wed, 19 Nov 2008 13:51:35 +0100 From: Ingo Molnar To: Max Krasnyansky Cc: Nish Aravamudan , Peter Zijlstra , Gregory Haskins , Dimitri Sivanich , "linux-kernel@vger.kernel.org" Subject: Re: Using cpusets for configuration/isolation [Was Re: RT sched: cpupri_vec lock contention with def_root_domain and no load balance] Message-ID: <20081119125135.GB20475@elte.hu> References: <29495f1d0811071123x37d910a8w6c1604b8159954ec@mail.gmail.com> <4923731E.7010601@qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4923731E.7010601@qualcomm.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00,DNS_FROM_SECURITYSAGE autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] 0.0 DNS_FROM_SECURITYSAGE RBL: Envelope sender in blackholes.securitysage.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 616 Lines: 16 * Max Krasnyansky wrote: > What you described is almost exactly what I did in my original cpu > isolation patch, which did get NAKed :). Basically I used global > cpu_isolated_map and exposed 'isolated' bit, etc. Please extend cpusets according to the plan outlined by PeterZ a few months ago - that's the right place to do partitioning. 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/