23 void posix_cputimers_group_init(struct posix_cputimers *pct, u64 cpu_limit)  in posix_cputimers_group_init()  argument
25 	posix_cputimers_init(pct);  in posix_cputimers_group_init()
27 		pct->bases[CPUCLOCK_PROF].nextevt = cpu_limit * NSEC_PER_SEC;  in posix_cputimers_group_init()
28 		pct->timers_active = true;  in posix_cputimers_group_init()
145 static inline bool expiry_cache_is_inactive(const struct posix_cputimers *pct)  in expiry_cache_is_inactive()  argument
147 	return !(~pct->bases[CPUCLOCK_PROF].nextevt |  in expiry_cache_is_inactive()
148 		 ~pct->bases[CPUCLOCK_VIRT].nextevt |  in expiry_cache_is_inactive()
149 		 ~pct->bases[CPUCLOCK_SCHED].nextevt);  in expiry_cache_is_inactive()
270 	struct posix_cputimers *pct = &tsk->signal->posix_cputimers;  in thread_group_sample_cputime()  local
272 	WARN_ON_ONCE(!pct->timers_active);  in thread_group_sample_cputime()
292 	struct posix_cputimers *pct = &tsk->signal->posix_cputimers;  in thread_group_start_cputime()  local
295 	if (!READ_ONCE(pct->timers_active)) {  in thread_group_start_cputime()
313 		WRITE_ONCE(pct->timers_active, true);  in thread_group_start_cputime()
335 	struct posix_cputimers *pct = &p->signal->posix_cputimers;  in cpu_clock_sample_group()  local
338 	if (!READ_ONCE(pct->timers_active)) {  in cpu_clock_sample_group()
474 static void cleanup_timers(struct posix_cputimers *pct)  in cleanup_timers()  argument
476 	cleanup_timerqueue(&pct->bases[CPUCLOCK_PROF].tqhead);  in cleanup_timers()
477 	cleanup_timerqueue(&pct->bases[CPUCLOCK_VIRT].tqhead);  in cleanup_timers()
478 	cleanup_timerqueue(&pct->bases[CPUCLOCK_SCHED].tqhead);  in cleanup_timers()
794 static void collect_posix_cputimers(struct posix_cputimers *pct, u64 *samples,  in collect_posix_cputimers()  argument
797 	struct posix_cputimer_base *base = pct->bases;  in collect_posix_cputimers()
836 	struct posix_cputimers *pct = &tsk->posix_cputimers;  in check_thread_timers()  local
843 	if (expiry_cache_is_inactive(pct))  in check_thread_timers()
847 	collect_posix_cputimers(pct, samples, firing);  in check_thread_timers()
870 	if (expiry_cache_is_inactive(pct))  in check_thread_timers()
876 	struct posix_cputimers *pct = &sig->posix_cputimers;  in stop_process_timers()  local
879 	WRITE_ONCE(pct->timers_active, false);  in stop_process_timers()
914 	struct posix_cputimers *pct = &sig->posix_cputimers;  in check_process_timers()  local
923 	if (!READ_ONCE(pct->timers_active) || pct->expiry_active)  in check_process_timers()
930 	pct->expiry_active = true;  in check_process_timers()
937 	collect_posix_cputimers(pct, samples, firing);  in check_process_timers()
943 			 &pct->bases[CPUCLOCK_PROF].nextevt,  in check_process_timers()
946 			 &pct->bases[CPUCLOCK_VIRT].nextevt,  in check_process_timers()
969 		if (softns < pct->bases[CPUCLOCK_PROF].nextevt)  in check_process_timers()
970 			pct->bases[CPUCLOCK_PROF].nextevt = softns;  in check_process_timers()
973 	if (expiry_cache_is_inactive(pct))  in check_process_timers()
976 	pct->expiry_active = false;  in check_process_timers()
1030 task_cputimers_expired(const u64 *samples, struct posix_cputimers *pct)  in task_cputimers_expired()  argument
1035 		if (samples[i] >= pct->bases[i].nextevt)  in task_cputimers_expired()
1053 	struct posix_cputimers *pct = &tsk->posix_cputimers;  in fastpath_timer_check()  local
1056 	if (!expiry_cache_is_inactive(pct)) {  in fastpath_timer_check()
1060 		if (task_cputimers_expired(samples, pct))  in fastpath_timer_check()
1065 	pct = &sig->posix_cputimers;  in fastpath_timer_check()
1081 	if (READ_ONCE(pct->timers_active) && !READ_ONCE(pct->expiry_active)) {  in fastpath_timer_check()
1087 		if (task_cputimers_expired(samples, pct))  in fastpath_timer_check()