[PATCH RFC 0/4] Scheduler idle notifiers and users

[Peter Zijlstra]

On Fri, 2012-02-17 at 10:00 +0100, Dominik Brodowski wrote:
> 
> Well, we can actually have both: Adding a new cpufreq governor "scheduler"
> is easy. The scheduler stores the target frequency (in per-cent or
> per-mille) in (per-cpu) data available to this governor, and kick a
> (per-cpu?) thread which then handels the rest -- by existing cpufreq means.
> The cpufreq part is easy, the sched part less so (I think). 

You might not have been reading what I wrote, kicking a kthread (or
doing any other scheduler activity) from within the scheduler is way
ugly and something I'd really rather avoid if at all possible.

Yes I could do it, but I really really don't want to.