Re: [PATCH 0/3] Resolve problems with kexec identity mapping

[Borislav Petkov]

On Mon, Jun 24, 2024 at 10:13:44AM -0500, Steve Wahl wrote:
> These accesses are a problem because they happen prior to establishing
> the page fault interrupt handler that would mend the identity map.  I
> know very little about the AMD SEV feature but reading the code I
> think it may be required to do this before setting up that handler.

Yeah, from looking at it, we should be able to establish a #PF handler that
early too but the devil's in the detail, especially in that early boot code.

Lemme poke some things and people...

-- 
Regards/Gruss,
    Boris.

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