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.
