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Re: [Xen-devel] [PATCH 3/3] xen/sched: add minimalistic idle scheduler for free cpus
- To: Juergen Gross <JGross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Dario Faggioli <dfaggioli@xxxxxxxx>
- Date: Tue, 13 Aug 2019 17:07:03 +0000
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- Cc: "george.dunlap@xxxxxxxxxxxxx" <george.dunlap@xxxxxxxxxxxxx>
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- Thread-topic: [Xen-devel] [PATCH 3/3] xen/sched: add minimalistic idle scheduler for free cpus
On Fri, 2019-08-02 at 15:07 +0200, Juergen Gross wrote:
> Instead of having a full blown scheduler running for the free cpus
> add a very minimalistic scheduler for that purpose only ever
> scheduling
> the related idle vcpu. This has the big advantage of not needing any
> per-cpu, per-domain or per-scheduling unit data for free cpus and in
> turn simplifying moving cpus to and from cpupools a lot.
>
> This new scheduler will just use a common lock for all free cpus.
>
> As this new scheduler is not user selectable don't register it as an
> official scheduler, but just include it in schedule.c.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
>
This patch looks fine to me.
With the changelog adapted as I mentioned in my reply to patch 0, this
is:
Acked-by: Dario Faggioli <dfaggioli@xxxxxxxx>
Regards
--
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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