On Thu, 2020-04-30 at 17:15 +0200, Juergen Gross wrote:
> Commit cb563d7665f2 ("xen/sched: support core scheduling for moving
> cpus to/from cpupools") introduced a regression when trying to remove
> an offline cpu from a cpupool, as the system would crash in this
> situation.
> 
> Fix that by testing the cpu to be online.
> 
> Fixes: cb563d7665f2 ("xen/sched: support core scheduling for moving
> cpus to/from cpupools")
> Signed-off-by: Juergen Gross <jgross@suse.com>
>
Acked-by: Dario Faggioli <dfaggioli@suse.com>

Thanks and Regards
-- 
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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