Re: [PATCH v2 36/66] KVM: x86: Handle GBPAGE CPUID adjustment for EPT in VMX code

Sean Christopherson
2020-03-03T15:44:57Z

On Tue, Mar 03, 2020 at 04:40:32PM +0100, Paolo Bonzini wrote:
> On 03/03/20 16:35, Sean Christopherson wrote:
> > Oof, that took me a long time to process. You're saying that KVM can
> > allow the guest to use GBPAGES when shadow paging is enabled because KVM
> > can effectively emulate GBPAGES. And IIUC, you're also saying that
> > cpuid.GBPAGES should never be influenced by EPT restrictions.
> >
> > That all makes sense.
>
> Yes, exactly.

I'll tack that on to the front of the series. Should it be tagged Fixes?
Feels like a fix, but is also more than a bit scary.