On Wed, Mar 16, 2016 at 4:35 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Wed, Mar 16, 2016 at 03:52:28PM +0100, Rafael J. Wysocki wrote:
>> +/**
>> + * cpufreq_enable_fast_switch - Enable fast frequency switching for policy.
>> + * @policy: cpufreq policy to enable fast frequency switching for.
>> + *
>> + * Try to enable fast frequency switching for @policy.
>> + *
>> + * The attempt will fail if there is at least one transition notifier registered
>> + * at this point, as fast frequency switching is quite fundamentally at odds
>> + * with transition notifiers. Thus if successful, it will make registration of
>> + * transition notifiers fail going forward.
>> + *
>> + * Call under policy->rwsem.
>
> Nobody reads a comment..
>
>> + */
>> +void cpufreq_enable_fast_switch(struct cpufreq_policy *policy)
>> +{
>
> lockdep_assert_held(&policy->rwsem);
>
> While everybody complains when there's a big nasty splat in their dmesg
> ;-)
OK
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