On Wed, 2025-02-26 at 12:12 -0600, Tom Lendacky wrote: > > As long as you keep the ASID value in EDX[15:0] as 0, then you won't > #GP. ASID 0 is the host/hypervisor. An ASID > 0 belongs to a guest. > I've been spending some time reading the KVM code, and I don't think invlpgb would be currently useful with KVM.