Re: [PATCH v2 5/5] sched: cpu_power: enable ARCH_POWER

[Vincent Guittot]

On 19 June 2012 11:01, Yong Zhang <yong.zhang0@xxxxxxxxx> wrote:
> On Tue, Jun 19, 2012 at 10:28:56AM +0200, Vincent Guittot wrote:
>> Heteregeneous ARM platform uses arch_scale_freq_power function
>> to reflect the relative capacity of each core
>>
>> Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
>> ---
>>  kernel/sched/features.h |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/kernel/sched/features.h b/kernel/sched/features.h
>> index de00a48..d98ae90 100644
>> --- a/kernel/sched/features.h
>> +++ b/kernel/sched/features.h
>> @@ -42,7 +42,7 @@ SCHED_FEAT(CACHE_HOT_BUDDY, true)
>>  /*
>>   * Use arch dependent cpu power functions
>>   */
>> -SCHED_FEAT(ARCH_POWER, false)
>> +SCHED_FEAT(ARCH_POWER, true)
>
> Hmmm...seems we can remove this knob completely.
>

Peter,

Do you prefer to keep it or remove it completely ?

Thanks

> __weak arch_scale_smt_power() is doing all the trick.
>
> Thanks,
> Yong
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