On 29/05/20 20:10, Krish Sadhukhan wrote: >> Unmapping the nested VMCB in enter_svm_guest_mode is a bit of a wart, >> since the map is not used elsewhere in the function. There are >> just two calls, so move it there. > > The last sentence sounds bit incomplete. Good point---more precisely, "calls" should be "callers". "It" refers to "unmapping". > Also, does it make sense to mention the reason why unmapping is not > required before we enter guest mode ? Unmapping is a host operation and is not visible by the guest; is this what you mean? Paolo