Re: [PATCH v5 03/15] KVM: SVM: Disable SEV/SEV-ES if NPT is disabled

Paolo Bonzini
2021-04-23T07:09:05Z

On 22/04/21 20:11, Sean Christopherson wrote:
>> Yes, you're right. NPT is easy but we would have to guess what the spec
>> would say about MAXPHYADDR, while nNPT would require the stacking of a PML5.
>> Either way, blocking KVM is the easiest thing todo.
> How about I fold that into the s/lm_root/pml4_root rename[*]? I.e. make the
> blocking of PML5 a functional change, and the rename an opportunistic change?
>
> [*]https://lkml.kernel.org/r/20210318201131.3242619-1-seanjc@google.com
>

Yes, that's a good plan. Thanks,

Paolo