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.linux-kernel,dev.linux.lists.linux-coco,org.kernel.vger.kvm,org.kernel.vger.linux-crypto
Message-ID <[email protected]>
On July 31, 2026 12:37:15 PM UTC, "Kalra, Ashish" <[email protected]> wrote:
>Yes, the checks are done on *all* memory but for ensuring the integrity of SNP 
>guest memory, so that is what the above paragraph is mentioning.

I don't understand: we're checking *all* memory in order to ensure SNP guest memory integrity? 

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 that don't contain SNP guest memory and 
>as SNP guests are launched, RMPUPDATE disables the corresponding optimizations".

Ok.

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