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SubjectRe: [patch] improve SMP reschedule and idle routines

* Nick Piggin <nickpiggin@yahoo.com.au> wrote:

> Make some changes to the NEED_RESCHED and POLLING_NRFLAG to reduce
> confusion, and make their semantics rigid. Also have preempt
> explicitly disabled in idle routines. Improves efficiency of
> resched_task and some cpu_idle routines.

Acked-by: Ingo Molnar <mingo@elte.hu>

Ingo
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