862 	struct signal_struct *const sig = tsk->signal;  in check_thread_timers()  local
886 	soft = READ_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_cur);  in check_thread_timers()
889 			READ_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_max);  in check_thread_timers()
906 				sig->rlim[RLIMIT_RTTIME].rlim_cur = soft;  in check_thread_timers()
916 static inline void stop_process_timers(struct signal_struct *sig)  in stop_process_timers()  argument
918 	struct thread_group_cputimer *cputimer = &sig->cputimer;  in stop_process_timers()
964 	struct signal_struct *const sig = tsk->signal;  in check_process_timers()  local
967 	struct list_head *timers = sig->cpu_timers;  in check_process_timers()
982 	sig->cputimer.checking_timer = true;  in check_process_timers()
999 	check_cpu_itimer(tsk, &sig->it[CPUCLOCK_PROF], &prof_expires, ptime,  in check_process_timers()
1001 	check_cpu_itimer(tsk, &sig->it[CPUCLOCK_VIRT], &virt_expires, utime,  in check_process_timers()
1003 	soft = READ_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur);  in check_process_timers()
1007 			READ_ONCE(sig->rlim[RLIMIT_CPU].rlim_max);  in check_process_timers()
1024 				sig->rlim[RLIMIT_CPU].rlim_cur = soft;  in check_process_timers()
1033 	sig->cputime_expires.prof_exp = expires_to_cputime(prof_expires);  in check_process_timers()
1034 	sig->cputime_expires.virt_exp = expires_to_cputime(virt_expires);  in check_process_timers()
1035 	sig->cputime_expires.sched_exp = sched_expires;  in check_process_timers()
1036 	if (task_cputime_zero(&sig->cputime_expires))  in check_process_timers()
1037 		stop_process_timers(sig);  in check_process_timers()
1039 	sig->cputimer.checking_timer = false;  in check_process_timers()
1141 	struct signal_struct *sig;  in fastpath_timer_check()  local
1152 	sig = tsk->signal;  in fastpath_timer_check()
1167 	if (READ_ONCE(sig->cputimer.running) &&  in fastpath_timer_check()
1168 	    !READ_ONCE(sig->cputimer.checking_timer)) {  in fastpath_timer_check()
1171 		sample_cputime_atomic(&group_sample, &sig->cputimer.cputime_atomic);  in fastpath_timer_check()
1173 		if (task_cputime_expired(&group_sample, &sig->cputime_expires))  in fastpath_timer_check()