Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754218Ab1BUJFf (ORCPT ); Mon, 21 Feb 2011 04:05:35 -0500 Received: from mail-yw0-f46.google.com ([209.85.213.46]:63313 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751596Ab1BUJFe (ORCPT ); Mon, 21 Feb 2011 04:05:34 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=AYjj1P6XWtBH96zGvSRAKrnX8fxkoVSOLEbMCB4Zynz85ojxM1IKLPImQHi04c5Tgl 6dAK0OjX3dcV0fdT2WlTuUaLDbq7jwwI8iCCU/XRf0xLBufmvcO+m35teAEuRqtcxFIM R5LA53cPgqbgZexVmq5QkySCN3bPcWGS/oCmY= MIME-Version: 1.0 In-Reply-To: <1298258005.7853.2.camel@marge.simson.net> References: <1298185696-4403-1-git-send-email-yong.zhang0@gmail.com> <1298185696-4403-6-git-send-email-yong.zhang0@gmail.com> <1298207379.7998.11.camel@marge.simson.net> <20110220141003.GA6006@zhy> <1298222533.7881.15.camel@marge.simson.net> <1298258005.7853.2.camel@marge.simson.net> Date: Mon, 21 Feb 2011 17:05:33 +0800 Message-ID: Subject: Re: [PATCH 5/5] sched, autogroup: runtime enable/disable tuning fix From: Yong Zhang To: Mike Galbraith Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Peter Zijlstra Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1029 Lines: 29 On Mon, Feb 21, 2011 at 11:13 AM, Mike Galbraith wrote: >> Your whole series looked fine to me at a glance (sunday;), with the >> exception of #2, that one is maybe iffy, depending on point of view. > > Hm, my mind wandered off to different file somewhere along the line :) Never mind :) If we relax the runtime autogroup switch, maybe patch-2 is a little overkill, because after autogroup is disabled there still could have some tasks staying on it's autogroup. So if we wan to keep current autogroup switch behavior, I think we can make autogroup_path() independent on sysctl_sched_autogroup_enabled, thus user will not be confused by lots of groups named "cfs_rq[*]:" But if this patch is accepted, IMHO, patch-2 is ok. Thanks, Yong -- Only stand for myself -- 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/