"cpufreq: fix serialization issues with freq change notifiers" breaks cpufreq too

Viresh Kumar viresh.kumar at linaro.org
Tue Sep 10 07:29:29 EDT 2013


On 9 September 2013 20:41, Guennadi Liakhovetski <g.liakhovetski at gmx.de> wrote:
> Sorry guys, I'm trying my best to stop this patch from propagating to
> stable and to get it fixed asap, so, the CC list might be a bit excessive.
> Also trying to fix the originally spare cc list, which makes it impossible
> for me to reply to the original thread, instead have to start a new one.
>
> Commit
>
> commit dceff5ce18801dddc220d6238628619c93bc3cb6
> Author: Viresh Kumar <viresh.kumar at linaro.org>
> Date:   Sun Sep 1 22:19:37 2013 +0530
>
>     cpufreq: fix serialization issues with freq change notifiers
>
> breaks .transition_ongoing counting. This leads to cpufreq-cpu0 not
> working any more. In particular switching the governor from performance to
> powersave directly after boot doesn't result in a frequency switch any
> more. Reverting this patch fixes the problem again. Tested with today's
> -next.

I have tested it again on my exynos and intel machines and couldn't see
a single problem with this patch..

I am afraid you need to give us some more information on how it broke
your stuff.. :)

And I am also not sure cpufreq-cpu0 is different then any other driver..

--
viresh



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