On Thu, 18 Jul 2019, Dexuan Cui wrote:
>
> The concept of the "overlay page" seems weird, and frankly speaking,
> I don't really understand why the Hyper-V guys invented it, but as far
> as this patch here is concerned, I think the patch is safe and it can
> indeed fix the CPU offlining issue I described.
Then this needs some really good explanation and in the change log because
that's really obscure behaviour.
Thanks,
tglx
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