Re: [PATCH v11 4/6] x86/sev: Add support t o perform RMP optimizations asynchronously

Borislav Petkov <[email protected]> Mon, 03 Aug 2026 21:10:03 +0000
Newsgroups org.kernel.vger.kvm,dev.linux.lists.linux-coco,org.kernel.vger.linux-crypto,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On July 31, 2026 12:37:15 PM UTC, "Kalra, Ashish" <ashish=2Ekalra@amd=2Ecom=
> wrote:
>Yes, the checks are done on *all* memory but for ensuring the integrity o=
f SNP=20
>guest memory, so that is what the above paragraph is mentioning=2E

I don't understand: we're checking *all* memory in order to ensure SNP gue=
st memory integrity?=20

We're ensuring the integrity of the other memory just as well :-)

>The other way i can put it is: "RMP checks are skipped for 1-GB ranges th=
at don't contain SNP guest memory and=20
>as SNP guests are launched, RMPUPDATE disables the corresponding optimiza=
tions"=2E

Ok=2E

--=20
Small device=2E Typos and formatting crap