Re: [PATCH 1/2] KVM: SEV: IBPB-on-Entry guest support

[Borislav Petkov]

On Wed, Jan 28, 2026 at 06:38:29PM -0600, Kim Phillips wrote:
> For that last paragraph, how about:
> 
> "Allow guests to make use of IBPB-on-Entry when supported by the
> hypervisor, as the bit is now architecturally defined and safe to
> expose."

Better.

> SNP_FEATURES_PRESENT is for the non-trivial variety: Its bits get set as
> part of the patchseries that add the explicit guest support *code*.

Yes, and I'm asking why can't SNP_FEATURES_PRESENT contain *all* SNP features?

-- 
Regards/Gruss,
    Boris.

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