Messages in this thread | | | Subject | Re: [RFC] sched: make callers check lock contention for cond_resched_lock() | From | Peter Zijlstra <> | Date | Thu, 03 May 2012 10:35:27 +0200 |
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On Thu, 2012-05-03 at 17:12 +0900, Takuya Yoshikawa wrote: > > Although we can do that using spin_is_contended() and cond_resched(), > changing cond_resched_lock() to satisfy such a need is another option. > Yeah, not a pretty patch. Changing all cond_resched_lock() sites just to change one and in such an ugly way too.
So what's the impact of making spin_needbreak() work for !PREEMPT?
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