24 void posix_cputimers_group_init(struct posix_cputimers *pct, u64 cpu_limit)  in posix_cputimers_group_init()  argument
26 	posix_cputimers_init(pct);  in posix_cputimers_group_init()
28 		pct->bases[CPUCLOCK_PROF].nextevt = cpu_limit * NSEC_PER_SEC;  in posix_cputimers_group_init()
29 		pct->timers_active = true;  in posix_cputimers_group_init()
152 static inline bool expiry_cache_is_inactive(const struct posix_cputimers *pct)  in expiry_cache_is_inactive()  argument
154 	return !(~pct->bases[CPUCLOCK_PROF].nextevt |  in expiry_cache_is_inactive()
155 		 ~pct->bases[CPUCLOCK_VIRT].nextevt |  in expiry_cache_is_inactive()
156 		 ~pct->bases[CPUCLOCK_SCHED].nextevt);  in expiry_cache_is_inactive()
276 	struct posix_cputimers *pct = &tsk->signal->posix_cputimers;  in thread_group_sample_cputime()  local
278 	WARN_ON_ONCE(!pct->timers_active);  in thread_group_sample_cputime()
298 	struct posix_cputimers *pct = &tsk->signal->posix_cputimers;  in thread_group_start_cputime()  local
303 	if (!READ_ONCE(pct->timers_active)) {  in thread_group_start_cputime()
321 		WRITE_ONCE(pct->timers_active, true);  in thread_group_start_cputime()
343 	struct posix_cputimers *pct = &p->signal->posix_cputimers;  in cpu_clock_sample_group()  local
346 	if (!READ_ONCE(pct->timers_active)) {  in cpu_clock_sample_group()
531 static void cleanup_timers(struct posix_cputimers *pct)  in cleanup_timers()  argument
533 	cleanup_timerqueue(&pct->bases[CPUCLOCK_PROF].tqhead);  in cleanup_timers()
534 	cleanup_timerqueue(&pct->bases[CPUCLOCK_VIRT].tqhead);  in cleanup_timers()
535 	cleanup_timerqueue(&pct->bases[CPUCLOCK_SCHED].tqhead);  in cleanup_timers()
858 static void collect_posix_cputimers(struct posix_cputimers *pct, u64 *samples,  in collect_posix_cputimers()  argument
861 	struct posix_cputimer_base *base = pct->bases;  in collect_posix_cputimers()
900 	struct posix_cputimers *pct = &tsk->posix_cputimers;  in check_thread_timers()  local
907 	if (expiry_cache_is_inactive(pct))  in check_thread_timers()
911 	collect_posix_cputimers(pct, samples, firing);  in check_thread_timers()
934 	if (expiry_cache_is_inactive(pct))  in check_thread_timers()
940 	struct posix_cputimers *pct = &sig->posix_cputimers;  in stop_process_timers()  local
943 	WRITE_ONCE(pct->timers_active, false);  in stop_process_timers()
978 	struct posix_cputimers *pct = &sig->posix_cputimers;  in check_process_timers()  local
987 	if (!READ_ONCE(pct->timers_active) || pct->expiry_active)  in check_process_timers()
994 	pct->expiry_active = true;  in check_process_timers()
1001 	collect_posix_cputimers(pct, samples, firing);  in check_process_timers()
1007 			 &pct->bases[CPUCLOCK_PROF].nextevt,  in check_process_timers()
1010 			 &pct->bases[CPUCLOCK_VIRT].nextevt,  in check_process_timers()
1033 		if (softns < pct->bases[CPUCLOCK_PROF].nextevt)  in check_process_timers()
1034 			pct->bases[CPUCLOCK_PROF].nextevt = softns;  in check_process_timers()
1037 	if (expiry_cache_is_inactive(pct))  in check_process_timers()
1040 	pct->expiry_active = false;  in check_process_timers()
1094 task_cputimers_expired(const u64 *samples, struct posix_cputimers *pct)  in task_cputimers_expired()  argument
1099 		if (samples[i] >= pct->bases[i].nextevt)  in task_cputimers_expired()
1117 	struct posix_cputimers *pct = &tsk->posix_cputimers;  in fastpath_timer_check()  local
1120 	if (!expiry_cache_is_inactive(pct)) {  in fastpath_timer_check()
1124 		if (task_cputimers_expired(samples, pct))  in fastpath_timer_check()
1129 	pct = &sig->posix_cputimers;  in fastpath_timer_check()
1145 	if (READ_ONCE(pct->timers_active) && !READ_ONCE(pct->expiry_active)) {  in fastpath_timer_check()
1151 		if (task_cputimers_expired(samples, pct))  in fastpath_timer_check()