On 29/05/19 04:25, Tao Xu wrote: >> > OK, but should we just drop this patch? > Or add the VMX_EXIT_REASONS bits of UMWAIT and TPAUSE and handle like > XSAVES/XRSTORS: > "kvm_skip_emulated_instruction(vcpu);" > "WARN(1, "this should never happen\n");" Yes, this sounds good to me. Paolo