Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753277Ab2E3MKT (ORCPT ); Wed, 30 May 2012 08:10:19 -0400 Received: from mx2.parallels.com ([64.131.90.16]:54697 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753124Ab2E3MKR (ORCPT ); Wed, 30 May 2012 08:10:17 -0400 Message-ID: <4FC60D9D.8080705@parallels.com> Date: Wed, 30 May 2012 16:07:57 +0400 From: Glauber Costa User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Peter Zijlstra CC: , , , Paul Turner , Tejun Heo , "Eric W. Biederman" , , , Serge Hallyn Subject: Re: [PATCH v3 4/6] add a new scheduler hook for context switch References: <1338371317-5980-1-git-send-email-glommer@parallels.com> <1338371317-5980-5-git-send-email-glommer@parallels.com> <1338376851.26856.260.camel@twins> In-Reply-To: <1338376851.26856.260.camel@twins> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1014 Lines: 27 On 05/30/2012 03:20 PM, Peter Zijlstra wrote: > /me cries a little.. I was hoping to fix put_prev_task.. see: > > https://lkml.org/lkml/2012/2/16/487 > > (I've actually got a 4 patch split out of that if anybody cares) > > Its just one of those things stuck behind the -ENOTIME tree :/ > > The plan is to 'merge' put_prev_task and pick_next_task into one and > avoid a lot of the up-down walking. > > You just added a constraint for always having to walk the entire thing > up -- cgroups is too damn expensive already, we should be trimming this > nonsense not bloating it. if they are merged, then I don't need a new hook. Do you have plans to do it? I'd be happy to continue the work if you lack the time, since I am directly interested in the functionality. -- 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/