Re: [patch] Real-Time Preemption, plist fixes

[Ingo Molnar]

* Esben Nielsen <simlo@xxxxxxxxxx> wrote:

> > i dont think fusyn's should be made available to non-RT tasks. If this 
> > restriction is preserved then fusyn's would become O(max_nr_RT_tasks) 
> > too.
> 
> My pragmatic side agrees with you. My sense of beauty does not. I think
> you make 2 small hacks here:
>
> 1) Adding a limit like above smells wrong.
> 2) Making PI only apply to RT tasks isn't beautifull either.

Enabling PI for all tasks would certainly make plists the only viable 
choice. To achieve that we'd have to do quite careful coding, as the 
priorities of SCHED_OTHER tasks can change quite frequently, and the PI 
code doesnt follow priority changes that well currently.

	Ingo
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