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SubjectRe: [git pull] scheduler updates for v2.6.27, phase #2
On Thu, 24 Jul 2008 12:43:13 +0200 Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> On Mon, 2008-07-21 at 13:16 -0700, Daniel Walker wrote:
> > On Mon, 2008-07-21 at 21:23 +0200, Peter Zijlstra wrote:
> >
> > > Does this work for you?
> > >
> >
> > Yours removed the warning .. I made an alternate one below only compile
> > tested, your choice..
>
> How about this one - it seems there is a whole scala of new division
> instructions these days... :-)
>

ain't life grand.

>
>
> diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
> index 47ceac9..3c38686 100644
> --- a/kernel/sched_rt.c
> +++ b/kernel/sched_rt.c
> @@ -253,7 +253,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq)
>
> diff = iter->rt_runtime - iter->rt_time;
> if (diff > 0) {
> - do_div(diff, weight);
> + diff = div_u64((u64)diff, weight);

Can't use div_s64() here?

> if (rt_rq->rt_runtime + diff > rt_period)
> diff = rt_period - rt_rq->rt_runtime;
> iter->rt_runtime -= diff;
>


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