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

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@linaro.org

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.

__weak arch_scale_smt_power() is doing all the trick.

Thanks, Yong