linux-kernel - Re: [PATCH v7 00/15] Add support for devices in the Energy Model

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <abff69b6-b033-18e2-f380-ceccb42c6b01@linaro.org>
Date:   Fri, 22 May 2020 12:43:13 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Lukasz Luba <lukasz.luba@....com>, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-omap@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        linux-imx@....com
Cc:     Dietmar.Eggemann@....com, cw00.choi@...sung.com,
        b.zolnierkie@...sung.com, rjw@...ysocki.net, sudeep.holla@....com,
        viresh.kumar@...aro.org, nm@...com, sboyd@...nel.org,
        rui.zhang@...el.com, amit.kucheria@...durent.com, mingo@...hat.com,
        peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, rostedt@...dmis.org,
        qperret@...gle.com, bsegall@...gle.com, mgorman@...e.de,
        shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com,
        kernel@...gutronix.de, khilman@...nel.org, agross@...nel.org,
        bjorn.andersson@...aro.org, robh@...nel.org,
        matthias.bgg@...il.com, steven.price@....com,
        tomeu.vizoso@...labora.com, alyssa.rosenzweig@...labora.com,
        airlied@...ux.ie, daniel@...ll.ch, liviu.dudau@....com,
        lorenzo.pieralisi@....com, patrick.bellasi@...bug.net,
        orjan.eide@....com, rdunlap@...radead.org, mka@...omium.org
Subject: Re: [PATCH v7 00/15] Add support for devices in the Energy Model


Hi Lukasz,

On 11/05/2020 13:18, Lukasz Luba wrote:
> Hi all,
> 
> This patch set introduces support for devices in the Energy Model (EM)
> framework. It will unify the power model for thermal subsystem. It will
> make simpler to add support for new devices willing to use more
> advanced features (like Intelligent Power Allocation). Now it should
> require less knowledge and effort for driver developer to add e.g.
> GPU driver with simple energy model. A more sophisticated energy model
> in the thermal framework is also possible, driver needs to provide
> a dedicated callback function. More information can be found in the
> updated documentation file.
> 
> First 7 patches are refactoring Energy Model framework to add support
> of other devices that CPUs. They change:
> - naming convention from 'capacity' to 'performance' state,
> - API arguments adding device pointer and not rely only on cpumask,
> - change naming when 'cpu' was used, now it's a 'device'
> - internal structure to maintain registered devices
> - update users to the new API
> Patch 8 updates OPP framework helper function to be more generic, not
> CPU specific.
> Patches 9-14 change devfreq cooling, dropping part of old power model and
> adding registration with Energy Model via exported GPL function.
> The last path is a simple change for Panfrost GPU driver.
> 
> The patch set is based on linux-next tag next-20200508.

Do you think it is possible to respin against linux-pm next ?

I wanted to try the series but I'm getting non trivial conflicts with
the devfreq_cooling changes


-- 
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog