Sean Christopherson <seanjc@xxxxxxxxxx> writes: > On Tue, Oct 04, 2022, Vitaly Kuznetsov wrote: ... >> >> + /* L2 TLB flush setup */ >> + current_evmcs->partition_assist_page = hv_pages->partition_assist_gpa; >> + current_evmcs->hv_enlightenments_control.nested_flush_hypercall = 1; >> + current_evmcs->hv_vm_id = 1; >> + current_evmcs->hv_vp_id = 1; >> + current_vp_assist->nested_control.features.directhypercall = 1; >> + *(u32 *)(hv_pages->partition_assist) = 0; >> + >> GUEST_ASSERT(!vmlaunch()); > > Pre-existing code, but would it make sense to add an assert here to verify L2 > exited due to an NMI? Feel free to ignore this for now if it's not straightforward, > this series is plenty big :-) > Well, simple + GUEST_ASSERT_EQ(vmreadz(VM_EXIT_REASON), EXIT_REASON_EXCEPTION_NMI); + GUEST_ASSERT_EQ((vmreadz(VM_EXIT_INTR_INFO) & 0xff), NMI_VECTOR); seems to be working (passing) so why not :-) -- Vitaly