Re: [PATCH RESEND v4 5/9] KVM: VMX: Add init/set/get functions for SPP

[Yang Weijiang]

On Fri, Aug 16, 2019 at 11:19:46AM -0700, Jim Mattson wrote:
> On Fri, Aug 16, 2019 at 6:29 AM Yang Weijiang <weijiang.yang@xxxxxxxxx> wrote:
> 
> > Thanks Jim and Sean! Could we add a new flag in kvm to identify if nested VM is on
> > or off? That would make things easier. When VMLAUNCH is trapped,
> > set the flag, if VMXOFF is trapped, clear the flag.
> 
> KVM_GET_NESTED_STATE has the requested information. If
> data.vmx.vmxon_pa is anything other than -1, then the vCPU is in VMX
> operation. If (flags & KVM_STATE_NESTED_GUEST_MODE), then L2 is
> active.
Thanks Jim, I'll reference the code and make necessary change in next
SPP patch release.