Re: [2.4.17/18pre] VM and swap - it's really unusable

Alan Cox
2002-01-14T17:33:02Z

> Oliver> You can have an rt task block on a lock held by a normal task that was
> Oliver> preempted by a rt task of lower priority. The same problem as with the
> Oliver> sched_idle patches.
>
> This can happen with a non-preemptible kernel too. And it has nothing to
> do with scheduling policy.

So why bother adding pre-emption. As you keep saying - it doesnt
gain anything

Alan