From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761600AbXGJLa2 (ORCPT ); Tue, 10 Jul 2007 07:30:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754044AbXGJLaV (ORCPT ); Tue, 10 Jul 2007 07:30:21 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:56890 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752272AbXGJLaU (ORCPT ); Tue, 10 Jul 2007 07:30:20 -0400 Date: Tue, 10 Jul 2007 13:30:06 +0200 From: Ingo Molnar To: Avi Kivity Cc: kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaohua.li@intel.com Subject: Re: [PATCH][RFC] kvm-scheduler integration Message-ID: <20070710113006.GA21053@elte.hu> References: <11838994974161-git-send-email-avi@qumranet.com> <20070708133539.GA12597@elte.hu> <4690E973.7000606@qumranet.com> <20070708134850.GB22911@elte.hu> <4690EC47.6060904@qumranet.com> <20070708135905.GA24991@elte.hu> <46936AF2.9010400@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46936AF2.9010400@qumranet.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=3.0.3 -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 * Avi Kivity wrote: > How do you feel about some variant of this going into 2.6.23-rc1? I > initially thought of this as a 2.6.24 thing, but as it now looks > solid, maybe we can hurry things along. yeah, fine by me. You were working on a more generic patch, right? I think a good approach would be an atomic notifier chain. > If Shaohua ports his spinlock->mutex convertion to the sched branch, > we get some real benefits: > > - reduced latencies for desktop users > - less kvm patches to carry in -rt (maybe none?) yeah, and i think we can reach 'none'. Ingo