Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752175AbdCAMkU (ORCPT ); Wed, 1 Mar 2017 07:40:20 -0500 Received: from LGEAMRELO12.lge.com ([156.147.23.52]:43298 "EHLO lgeamrelo12.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750993AbdCAMj7 (ORCPT ); Wed, 1 Mar 2017 07:39:59 -0500 X-Original-SENDERIP: 156.147.1.151 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 165.244.249.23 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com Date: Wed, 1 Mar 2017 21:09:39 +0900 From: Byungchul Park To: Juri Lelli CC: , , , , , Subject: Re: [PATCH v3] sched/deadline: Change the time to replenish runtime for sleep tasks Message-ID: <20170301120939.GI11663@X58A-UD3R> References: <1487830499-1691-1-git-send-email-byungchul.park@lge.com> <20170228113515.GM19665@e106622-lin> <20170228130903.GF3817@X58A-UD3R> <20170228174753.GS19665@e106622-lin> <20170301033749.GB11663@X58A-UD3R> <20170301095933.GV19665@e106622-lin> MIME-Version: 1.0 In-Reply-To: <20170301095933.GV19665@e106622-lin> User-Agent: Mutt/1.5.21 (2010-09-15) X-MIMETrack: Itemize by SMTP Server on LGEKRMHUB02/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2017/03/01 21:09:53, Serialize by Router on LGEKRMHUB02/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2017/03/01 21:09:53, Serialize complete at 2017/03/01 21:09:53 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1211 Lines: 28 On Wed, Mar 01, 2017 at 09:59:33AM +0000, Juri Lelli wrote: > I'd err on the side of clearness and safety (where I assume the current > code is safer only because it has been tested for a while :). However, > if you can prove in a reproducible manner that the changes you are > proposing make overhead way smaller, we might still consider them. Then.. I will check how much it reduces the overhead. > Anyway, IMVHO, there are still lot of known issues and missing features > that deserve time; so, if your have some time to look at DEADLINE stuff, > I'd kindly point you at > > https://github.com/jlelli/sched-deadline/wiki/TODOs > > You would be very welcome if you think you can pick something of what > above up, and we should synchronize in that case, as several people are > already working on some of the aforementioned bits. Why not? I would be very honored if I can work together. To be honest with you, I'm currently developing another patch set about task migration in dl/rt. I will let you know after making it clear. Unfortunately I have little time until 19th Mar, so I can do my work and your TODOs after the day. I will continue the works after the day. :) Thank you very much, Byungchul