Hi! > +int tst_check_preempt_rt(void) > +{ > + struct utsname uval; > + > + uname(&uval); > + if (strstr(uval.version, "PREEMPT_RT")) > + return -1; Maybe just return 1; here instead. Otherwise: Reviewed-by: Cyril Hrubis <chrubis@suse.cz> -- Cyril Hrubis chrubis@suse.cz