linux-kernel - Re: [PATCH v3 3/6] cpufreq: schedutil: update CFS util only if used

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Message-ID: <20171207051540.larfamrdflctn5pn@vireshk-mac-ubuntu>
Date:   Thu, 7 Dec 2017 10:45:40 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Patrick Bellasi <patrick.bellasi@....com>
Cc:     Juri Lelli <juri.lelli@...hat.com>, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Todd Kjos <tkjos@...roid.com>,
        Joel Fernandes <joelaf@...gle.com>
Subject: Re: [PATCH v3 3/6] cpufreq: schedutil: update CFS util only if used

On 30-11-17, 15:57, Patrick Bellasi wrote:
> Yes, that's a pretty trivial update with a confusing changelog.
> 
> If we think it's worth to keep (and correct as well) I'll update the
> commit message.

We also need to update the commit log based on feedback from Vikram on
V2. Which said that the utilization can't change around the lock here
as we are within rq lock section, though max can change (maybe). So
this patch only takes care of locking before reading max.

-- 
viresh