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SubjectRe: [RESEND PATCH v12 2/2] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()
On Tue, Jun 19, 2018 at 02:16:36PM +0900, Byungchul Park wrote:
> On Tue, Jun 19, 2018 at 6:42 AM, Steven Rostedt <rostedt@goodmis.org> wrote:
> > On Mon, 18 Jun 2018 13:58:09 +0900
> > Byungchul Park <byungchul.park@lge.com> wrote:
> >
> >> Hello Steven,
> >>
> >> I've changed the code a little bit to avoid a compile warning caused by
> >> 'const' args of find_cpu(). Can I keep your Reviewed-by?
> >>
> >> BEFORE:
> >> static int find_cpu(const struct cpumask *mask,
> >> const struct sched_domain *sd,
> >> const struct sched_domain *prefer)
> >>
> >> AFTER:
> >> static int find_cpu(const struct cpumask *mask,
> >> struct sched_domain *sd,
> >> struct sched_domain *prefer)
> >>
> >> (I temporarily removed the Reviewed-by you gave me.)
> >> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
> >
> > I would fix sched_domain_span() to take a constant and keep the
> > previous patch.
>
> Right. I also considered it like you and asked it here:
>
> https://lkml.org/lkml/2018/1/11/106
>
> But I didn't get any answer so tried to keep sched_domain_span()
> unchanged conservatively.
>
> Peterz, what's your opinion?

Maintainers, Peter and Ingo,

I believe it would be OK, even better to change sched_domain_span()
itself. But I wonder if you also think so, do you?

> >
> > -- Steve
>
> --
> Thanks,
> Byungchul

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