Re: [RFC -v2 PATCH 2/3] sched: add yield_to function

From: Avi Kivity
Date: Mon Dec 20 2010 - 05:50:13 EST


On 12/20/2010 12:46 PM, Mike Galbraith wrote:
>
> 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.

Yes.

> > 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.

Who is "you" in this? the scheduler?

I'm fine with hints so long as they are usually acted upon (if it isn't, I'll go back to the guest, spin a bit more, and retry).

--
error compiling committee.c: too many arguments to function

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