On Mon, 2010-12-20 at 12:39 +0200, Avi Kivity wrote: > On 12/20/2010 12:33 PM, Mike Galbraith wrote: > > > > > > Correct. I don't want the other task to run before me, I just don't > > > want to run before it. > > > > OK, so what I gather is that if you can preempt another of your own > > threads to get the target to cpu, that would be a good thing whether > > he's on the same cpu as yield_to() caller or not. If the target is > > sharing a cpu with you, that's even better. Correct? > > Correct. I'm not interested in scheduling wrt other tasks, just my tasks. > > However, if I'm all alone on my cpu, and the other task is runnable but > not running, behind some unrelated task, then I do need that task to be > preempted (or to move tasks around). So in that case, a pull may be advantageous. > > Would a kick/hint option be useful? > > Depends on what it does... Let you decide whether you only want to drop a hint and leave it at that, or also attempt a preemption. -Mike -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
