Re: [PATCHv13 5/9] efi: Add unaccepted memory support

From: Kirill A. Shutemov
Date: Mon Jun 05 2023 - 17:37:55 EST


On Mon, Jun 05, 2023 at 09:12:25PM +0200, Borislav Petkov wrote:
> On Mon, Jun 05, 2023 at 08:33:03PM +0300, Kirill A. Shutemov wrote:
> > There's nothing to warn about. The range (or part of it) is not
> > represented in the bitmap because it is not unaccepted.
>
> Sorry but how am I supposed to know that?!
>
> I've read the whole patchset up until now and all text talks like *all*
> *memory* needs to be accepted and before that has happeend, it is
> unaccepted.
>
> So how about you explain that explicitly somewhere, perhaps in a comment
> above accept_memory(), that the unaccepted range is not the whole memory
> but only, well, what is unaccepted and the rest is implicitly accepted?

Okay, will do.

> And I went and looked at the final result - we error() if we fail
> accepting.
>
> I guess that's the only action we can do anyway...

Right, there's no recovery from the error.

--
Kiryl Shutsemau / Kirill A. Shutemov