tz_vsys 229 tools/testing/selftests/x86/test_vsyscall.c struct timezone tz_sys, tz_vdso, tz_vsys; tz_vsys 241 tools/testing/selftests/x86/test_vsyscall.c ret_vsys = vgtod(&tv_vsys, &tz_vsys); tz_vsys 256 tools/testing/selftests/x86/test_vsyscall.c nerrs += check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vsyscall", &tv_vsys, &tz_vsys);