PORT_L0_EXIT 34 tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c : : [port] "d" (PORT_L0_EXIT) : "rax"); PORT_L0_EXIT 76 tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c if (run->io.port == PORT_L0_EXIT)