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Re: [RFC PATCH 18/19] cpufreq: remove transition_lock

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 18/19] cpufreq: remove transition_lock
Date 2016-01-12 12:30 +0100
Message-ID <qQ5jb-cc-5@gated-at.bofh.it> (permalink)
References <qPOBH-5zs-9@gated-at.bofh.it> <qPOBI-5zs-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 11-01-16, 17:35, Juri Lelli wrote:
> From: Michael Turquette <mturquette@baylibre.com>
> 
> transition_lock was introduced to serialize cpufreq transition
> notifiers. Instead of using a different lock for protecting concurrent
> modifications of policy, it is better to require that callers of
> transition notifiers implement appropriate locking (this is already the
> case AFAICS). Removing transition_lock also simplifies current locking
> scheme.

So, are you saying that the reasoning mentioned in this patch are all
wrong?

commit 12478cf0c55e ("cpufreq: Make sure frequency transitions are
serialized")

-- 
viresh

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Thread

[RFC PATCH 18/19] cpufreq: remove transition_lock Juri Lelli <juri.lelli@arm.com> - 2016-01-11 18:40 +0100
  Re: [RFC PATCH 18/19] cpufreq: remove transition_lock Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-12 12:30 +0100
    Re: [RFC PATCH 18/19] cpufreq: remove transition_lock Michael Turquette <mturquette@baylibre.com> - 2016-01-13 02:10 +0100
      Re: [RFC PATCH 18/19] cpufreq: remove transition_lock Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-13 07:40 +0100
        Re: [RFC PATCH 18/19] cpufreq: remove transition_lock Juri Lelli <juri.lelli@arm.com> - 2016-01-14 10:50 +0100
        Re: [RFC PATCH 18/19] cpufreq: remove transition_lock Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-14 11:40 +0100
          Re: [RFC PATCH 18/19] cpufreq: remove transition_lock Juri Lelli <juri.lelli@arm.com> - 2016-01-14 15:00 +0100

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