From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752120AbbHMK4t (ORCPT ); Thu, 13 Aug 2015 06:56:49 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:60463 "EHLO lgemrelse6q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751692AbbHMK4r (ORCPT ); Thu, 13 Aug 2015 06:56:47 -0400 X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com Date: Thu, 13 Aug 2015 19:56:15 +0900 From: Byungchul Park To: Yuyang Du Cc: Peter Zijlstra , mingo@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched: sync with the cfs_rq when changing sched class Message-ID: <20150813105615.GR3956@byungchulpark-X58A-UD3R> References: <1439445355-24137-1-git-send-email-byungchul.park@lge.com> <20150813074600.GB16853@twins.programming.kicks-ass.net> <20150813082127.GO3956@byungchulpark-X58A-UD3R> <20150813021527.GB2143@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150813021527.GB2143@intel.com> 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 Thu, Aug 13, 2015 at 10:15:28AM +0800, Yuyang Du wrote: > On Thu, Aug 13, 2015 at 05:21:27PM +0900, Byungchul Park wrote: > > > > yuyang said that switched_to don't need to consider task's load because it > > can have meaningless value. but i think considering task's load is better > > than leaving it unattended at all. and we can also use switched_to if we > > consider task's load in switched_to. > > when did I say "don't need to consider..."? > > Doing more does not mean better, or just trivial. BTW, the task switched_to > does not have to be switched_from before. i see.. i need to add initialization routine for fair class.. thanks, byungchul > -- > 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/