Messages in this thread | | | Date | Tue, 29 Jan 2002 15:57:02 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: [patch] [sched] yield speedup, 2.5.3-pre5 |
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On Mon, 28 Jan 2002, Oliver Xymoron wrote:
> > > > - spin_unlock_irq(&rq->lock); > > > > + spin_unlock(&rq->lock);
> > normally yes, but in this case it's an optimization: schedule() will > > disable interrupts within a few cycles, so there is no point in enabling > > irqs for a short amount of time.
> Needs a comment.
agreed, John Levon suggested this too. I've added a comment to my tree, should show up in the next patches.
Ingo
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