Re: [PATCH v2 00/21] KVM: x86: Event/exception fixes and cleanups

[Jim Mattson]

On Wed, Jul 6, 2022 at 10:52 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:

> Hmm, I'm not entirely convinced that Intel doesn't interpret "internal to the
> processor" as "undocumented SMRAM fields".  But I could also be misremembering
> the SMI flows.

Start using reserved SMRAM, and you will regret it when the vendor
assigns some new bit of state to the same location.