Re: [PATCH 2/3] smp: Adding new function wake_up_all_cpus()

[Peter Zijlstra]

On Mon, Aug 18, 2014 at 04:37:31PM +0800, Chuansheng Liu wrote:
> Currently kick_all_cpus_sync() can break non-polling idle cpus
> thru IPI interrupts.
> 
> But sometimes we need to break the polling idle cpus immediately
> to reselect the suitable c-state, also for non-idle cpus, we need
> to do nothing if we try to wake up them.
> 
> Here adding one new function wake_up_all_cpus() to let all cpus out
> of idle based on function wake_up_if_idle().

wake_up_all_idle_cpus() ?
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