Re: [PATCH v2 06/28] KVM: nVMX: Introduce KVM_CAP_HYPERV_ENLIGHTENED_VMCS2

[Sean Christopherson]

On Thu, Jul 07, 2022, Sean Christopherson wrote:
> On Thu, Jul 07, 2022, Vitaly Kuznetsov wrote:
> > luckily, Microsoft added a new PV CPUID feature bit inidicating the support
> > for the new features in eVMCSv1 so KVM can just observe whether the bit was
> > set by VMM or not and filter accordingly.
> 
> If there's a CPUID feature bit, why does KVM need to invent its own revision scheme?

Doh, just saw your other mail.