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SubjectRe: The O(1) scheduler breaks UML
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davidel@xmailserver.org said:
> Yes, this should work :
> if (likely(prev != next)) {
> rq->nr_switches++;
> rq->curr = next;
> next->cpu = prev->cpu;
> spin_unlock_irq(&rq->lock);
> context_switch(prev, next);
> } else
> spin_unlock_irq(&rq->lock);
> and there's no need for barrier() and rq reload in this way.

Yup, UML works much better with that.

Jeff

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