Re: [PATCH 1/2] x86/microcode/AMD: Load late on both threads too

[Jim Mattson]

On Wed, Aug 16, 2023 at 2:18 PM Borislav Petkov <bp@xxxxxxxxx> wrote:
>
> On Wed, Aug 16, 2023 at 01:17:00PM -0700, Jim Mattson wrote:
> > Is there any way to tell that a microcode patch has been loaded on
> > only one thread?
>
> Only the example you see in the bugzilla link above.
>
> > And what does this mean for SEV-SNP attestation?
>
> More specifically? The CPUID page or microcode revision?

Specifically, "Security Version Numbers (SVNs) of the currently
executing platform firmware and microcode."

> --
> Regards/Gruss,
>     Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette