Re: [PATCH] cpufreq: Call cpufreq_disable_fast_switch() in sugov_exit()

[Viresh Kumar]

On 07-04-16, 23:38, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> Due to differences in the cpufreq core's handling of runtime CPU
> offline and nonboot CPUs disabling during system suspend-to-RAM,
> fast frequency switching gets disabled after a suspend-to-RAM and
> resume cycle on all of the nonboot CPUs.
> 
> To prevent that from happening, move the invocation of
> cpufreq_disable_fast_switch() from cpufreq_exit_governor() to
> sugov_exit(), as the schedutil governor is the only user of fast
> frequency switching today anyway.
> 
> That simply prevents cpufreq_disable_fast_switch() from being called
> without invoking the ->governor callback for the CPUFREQ_GOV_POLICY_EXIT
> event (which happens during system suspend now).
> 
> Fixes: b7898fda5bc7 (cpufreq: Support for fast frequency switching)
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

-- 
viresh