Re: [PATCH V3 1/7] sched: Create sched_select_cpu() to give preferredCPU for power saving

From: Frederic Weisbecker
Date: Mon Mar 18 2013 - 11:57:42 EST


2013/3/18 Viresh Kumar <viresh.kumar@xxxxxxxxxx>:
> On Mon, Mar 18, 2013 at 9:09 PM, Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
>> 2013/3/18 Viresh Kumar <viresh.kumar@xxxxxxxxxx>:
>
>>> +static inline int sched_select_cpu(unsigned int sd_flags)
>>> +{
>>> + return raw_smp_processor_id();
>>
>> I feel this should be symetric with the requirement of having
>> preemption disabled as in the CONFIG_NO_HZ version. This should be
>> smp_processor_id().
>
> Yes, my fault.
>
>>> +int sched_select_cpu(unsigned int sd_flags)
>>
>> It would be nice to have some more precise naming. sched_select_busy_cpu() ?
>
> You are correct that name can be improved but busy may give it a different
> meaning. Maybe sched_select_non_idle_cpu()?

That works too yeah.

Thanks.
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