Re: commit e9e9250b: sync wakeup bustage when waker is an RT task

From: Mike Galbraith
Date: Mon May 31 2010 - 14:03:38 EST


On Mon, 2010-05-31 at 16:28 +0200, Peter Zijlstra wrote:
> On Mon, 2010-05-31 at 15:56 +0200, Mike Galbraith wrote:
>
> > > Does the below work?
> >
> > Had to make a dinky adjustment for x86-tip-rt33, but yeah, the horrid
> > latencies are gone. (hm, skinnier than expected too)
>
>
> Here's one that should be even skinnier ;-)

Cool, box is into skeletal.

> I knew I already had an accessor: power_of(), also, I duplicated the
> cpu_power variable inside struct rq so we don't have to chase three
> pointers to get it.

Looks good, but I'll retest anyway.

-Mike


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