Re: [PATCH v3 4/7] x86/hyper-v: redirect reenlightment notifications on CPU offlining

Thomas Gleixner
2018-01-16T18:32:32Z

On Tue, 16 Jan 2018, Vitaly Kuznetsov wrote:

> It is very unlikely for CPUs to get offlined when we run on Hyper-V as
> we have a protection in vmbus module which prevents it when we have any
> VMBus devices assigned. This, however, may change in future if an option
> to reassign an already active channel will be added. It is also possible
> to run without any Hyper-V devices of have a CPU with no assigned channels.
>
> Reassign reenlightenment notifications to some other active CPU when
> the CPU which is assigned to get them goes offline.
>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>