linux-kernel - Re: [PATCH V4 1/3] cpufreq: Fix locking issues with governors

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Message-ID: <20200629093750.GA1228312@google.com>
Date:   Mon, 29 Jun 2020 10:37:50 +0100
From:   Quentin Perret <qperret@...gle.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Rafael Wysocki <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        kernel-team@...roid.com, tkjos@...gle.com, adharmap@...eaurora.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 1/3] cpufreq: Fix locking issues with governors

On Monday 29 Jun 2020 at 13:54:58 (+0530), Viresh Kumar wrote:
> The locking around governors handling isn't adequate currently. The list
> of governors should never be traversed without locking in place. Also we
> must make sure the governor isn't removed while it is still referenced
> by code.
> 
> Reported-by: Quentin Perret <qperret@...gle.com>

Reviewed-by: Quentin Perret <qperret@...gle.com>

Thanks!
Quentin