tz_vdso 229 tools/testing/selftests/x86/test_vsyscall.c struct timezone tz_sys, tz_vdso, tz_vsys; tz_vdso 239 tools/testing/selftests/x86/test_vsyscall.c ret_vdso = vdso_gtod(&tv_vdso, &tz_vdso); tz_vdso 247 tools/testing/selftests/x86/test_vsyscall.c nerrs += check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vDSO", &tv_vdso, &tz_vdso);