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

[Ingo Molnar]

* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> > but i think the fundamental question remains even on Sunday mornings -
> > is the plist overhead worth it? Compared to the simple sorted list we 
> > exchange O(nr_RT_tasks_running) for O(nr_RT_levels_used) [which is in 
> > the 1-100 range], is that a significant practical improvement? By 
> > overhead i dont just mean cycle cost, but also architectural flexibility 
> > and maintainability.
> 
> That was my question too.

i think it would be handy to resurrect ALL_TASKS_PI. It was one of the 
things that stabilized the sorted list approach so quickly. Nothing 
beats the coverage of running a full graphical desktop with all the PI 
code active :-)

	Ingo
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