Re: [PATCH v2 2/4] mm: x86: Invoke hypercall when page encryption status is changed

From: Ashish Kalra
Date: Fri May 14 2021 - 05:33:55 EST


On Fri, May 14, 2021 at 11:24:03AM +0200, Borislav Petkov wrote:
> On Fri, May 14, 2021 at 10:03:18AM +0200, Paolo Bonzini wrote:
> > Ok, so explain to me how this looks from the submitter standpoint: he reads
> > your review of his patch, he acknowledges your point with "Yes, it makes
> > sense to signal it with a WARN or so", and still is treated as shit.
>
> How is me asking about the user experience of it all, treating him like
> shit?!
>
> How should I have asked this so that it is not making you think I'm
> treating him like shit?
>
> Because treating someone like shit is not in my goals.
>

As i mentioned in my previous reply, this has to be treated as a fatal
error from the user point of view, and the kernel needs to inform the
userspace VMM to block/stop migration as response to this failure.

Thanks,
Ashish