Re: [Xen-devel] [PATCH v4 41/46] xen/sched: protect scheduling resource via rcu

[Dario Faggioli <dfaggioli@xxxxxxxx>]

On Fri, 2019-09-27 at 09:00 +0200, Juergen Gross wrote:
> In order to be able to move cpus to cpupools with core scheduling
> active it is mandatory to merge multiple cpus into one scheduling
> resource or to split a scheduling resource with multiple cpus in it
> into multiple scheduling resources. This in turn requires to modify
> the cpu <-> scheduling resource relation. In order to be able to free
> unused resources protect struct sched_resource via RCU. This ensures
> there are no users left when freeing such a resource.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
>
Reviewed-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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