From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751249AbaC1G7U (ORCPT ); Fri, 28 Mar 2014 02:59:20 -0400 Received: from mga09.intel.com ([134.134.136.24]:41351 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbaC1G7T (ORCPT ); Fri, 28 Mar 2014 02:59:19 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,749,1389772800"; d="scan'208";a="481949491" Date: Fri, 28 Mar 2014 07:00:22 +0800 From: Yuyang Du To: Mike Galbraith Cc: Ingo Molnar , "peterz@infradead.org" , "mingo@redhat.com" , "linux-kernel@vger.kernel.org" , "linux-pm@vger.kernel.org" , "morten.rasmussen@arm.com" , "Van De Ven, Arjan" , "Brown, Len" , "Wysocki, Rafael J" , "Cox, Alan" Subject: Re: [RFC II] Splitting scheduler into two halves Message-ID: <20140327230022.GA27225@intel.com> References: <20140326183721.GC24116@intel.com> <1395896233.5512.45.camel@marge.simpson.net> <20140327072511.GA2555@gmail.com> <20140327221320.GA26843@intel.com> <1395989431.4877.19.camel@marge.simpson.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1395989431.4877.19.camel@marge.simpson.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 28, 2014 at 07:50:31AM +0100, Mike Galbraith wrote: > On Fri, 2014-03-28 at 06:13 +0800, Yuyang Du wrote: > > > Spitting does feel brutal... > > FWIW, "split" stuck hard in my gullet because task placement is core Oh, sorry for that, :) > fastpath mission. If the fastpath could afford to and did task > placement perfectly, task placement EDC (if you will) mechanisms would > not exist. Sometimes, we have to if not get to. Yuyang