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[209.132.180.67]) by mx.google.com with ESMTP id gz25si3623875ejb.81.2019.10.26.11.24.19; Sat, 26 Oct 2019 11:24:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=puri.sm Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726527AbfJZSXp (ORCPT + 99 others); Sat, 26 Oct 2019 14:23:45 -0400 Received: from comms.puri.sm ([159.203.221.185]:45326 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726340AbfJZSXp (ORCPT ); Sat, 26 Oct 2019 14:23:45 -0400 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id B8911DFB25; Sat, 26 Oct 2019 11:23:43 -0700 (PDT) Received: from comms.puri.sm ([127.0.0.1]) by localhost (comms.puri.sm [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xW0Z14cBaj-C; Sat, 26 Oct 2019 11:23:42 -0700 (PDT) Subject: Re: [PATCH v3 6/7] thermal/drivers/cpu_cooling: Introduce the cpu idle cooling driver To: Daniel Lezcano , viresh.kumar@linaro.org, leo.yan@linaro.org, edubezval@gmail.com, vincent.guittot@linaro.org, javi.merino@kernel.org, rui.zhang@intel.com, daniel.thompson@linaro.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org References: <34b1ed94-1223-60ec-ac4f-0b32be67eab2@linaro.org> <20191025112255.9253-1-martin.kepplinger@puri.sm> <13c20cd3-7e08-6d90-148d-67aaf5a6ad31@linaro.org> From: Martin Kepplinger Openpgp: preference=signencrypt Autocrypt: addr=martin.kepplinger@puri.sm; keydata= mQINBFULfZABEADRxJqDOYAHfrp1w8Egcv88qoru37k1x0Ugy8S6qYtKLAAt7boZW+q5gPv3 Sj2KjfkWA7gotXpASN21OIfE/puKGwhDLAySY1DGNMQ0gIVakUO0ji5GJPjeB9JlmN5hbA87 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Af4wUksA+TEUl2XPu84pjLMUbm0FA+sUnGvMkhCn8YdQtEbcgNYq4eIlOjHW+h7zU2G5/pm+ FmxNAJx7iiXaUY9KQ3snoEz3r37RxEDcvTY9KKahwxEzk2Mf58OPVaV4PEsRianrmErSUfmp l93agbtZK1r5LaxeItFOj+O2hWFLNDenJRlBYwXwlJCiHxM/O273hZZPoP8L5p54uXhaS5EJ uV2Xzgbi3VEbw3GZr+EnDC7XNE2wUrnlD/w2W6RzVYjVT6IX4SamNlV+MWX0/1fYCutfqZl8 6BSKmJjlWpfkPKzyzjhGQVZrTZYnKAu471hRv8/6Dx5JuZJgDCnYanNx3DDreRMu/nq6TfaO ekMtxgNYb/8oDry09UFHbGHLsWn6oBo= Message-ID: <2b1f48d4-c1ec-22db-3bf9-d42d94c29e8e@puri.sm> Date: Sat, 26 Oct 2019 20:23:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 In-Reply-To: <13c20cd3-7e08-6d90-148d-67aaf5a6ad31@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25.10.19 16:45, Daniel Lezcano wrote: > > Hi Martin, > > On 25/10/2019 13:22, Martin Kepplinger wrote: >> Hi Daniel, >> >> Quick note: You're missing a kref_init() in this version of the cooling driver. >> >> Also, as already mentioned, set_freezable() doesn't seem to work without >> supporting suspend/resume. > > Right, it is removed. > >> And since cpuidle got somewhat completely reworked in 5.4, could you create >> a new, rebased version of this? Let me know in case I missed an earlier update. > > Yes, I'm on it. There is a bug in the cpuidle registering I'm > investigating right now. If you want I can put a branch with the idle > injection cooling device as soon as it is fixed. > > Note most of the patches are now merged. The cpuidle cooling device was > split into the idle injection mechanism in the drivers/powercap [1] and > the cooling device initialization which is the part to be merged. > > The idle injection resolution was increased [2]. > > The idle state injection selection is currently in the review process [3]. > > The remaining part is the thermal cooling device itself which is a > separated cooling device from the existing cpu one. > > -- Daniel > > [1] https://lwn.net/Articles/757393/ > [2] https://patchwork.kernel.org/patch/11074003/ > [3] https://lkml.org/lkml/2019/9/9/447 > Hi Daniel, Putting up a branch may make sense and seems like it would make testing easy. I'll definitely try to test early as soon as you have the pieces in place one way or another :) thanks for your work on this, martin