Re: [PATCH v4 7/7] cpufreq: schedutil: New governor based on scheduler utilization data

From: Peter Zijlstra
Date: Wed Mar 16 2016 - 18:39:28 EST

On Wed, Mar 16, 2016 at 10:38:14PM +0100, Rafael J. Wysocki wrote:
> > If you care what cpu the work runs on, you should schedule_work_on(),
> > regular schedule_work() can end up on any random cpu (although typically
> > it does not).
> I know, but I don't care too much.
> "ondemand" and "conservative" use schedule_work() for the same thing, so
> drivers need to cope with that if they need things to run on a particular
> CPU.

Or are just plain buggy -- like a lot of code that uses schedule_work()
for per-cpu thingies; that is, its a fairly common bug and only recently
did we add that RR thing.