Re: [PATCH] x86/sev: Do RMP memory coverage check after max_pfn has been set

From: Borislav Petkov
Date: Fri Jun 21 2024 - 10:50:24 EST


On Fri, Jun 21, 2024 at 09:37:46AM -0500, Tom Lendacky wrote:
> Ok, I'll remove the new static and resubmit. There is also a logic error
> in the original check which should be using PFN_UP instead of PHYS_PFN, so
> I'll include that, too.

So we said this fix should not go to stable because SNP host is not upstream
yet.

> Do you want a single patch or two patches, one to fix the PHYS_PFN to
> PFN_UP and one to move the check?

Since this is snp_rmptable_init() and that is also SNP host then I think
a single patch is fine.

Thx.

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette