88 	if (timer->it.cpu.incr == 0)  in bump_cpu_timer()
91 	if (now < timer->it.cpu.expires)  in bump_cpu_timer()
94 	incr = timer->it.cpu.incr;  in bump_cpu_timer()
95 	delta = now + incr - timer->it.cpu.expires;  in bump_cpu_timer()
105 		timer->it.cpu.expires += incr;  in bump_cpu_timer()
328 	INIT_LIST_HEAD(&new_timer->it.cpu.entry);  in posix_cpu_timer_create()
348 	new_timer->it.cpu.task = p;  in posix_cpu_timer_create()
370 	struct task_struct *p = timer->it.cpu.task;  in posix_cpu_timer_del()
384 		WARN_ON_ONCE(!list_empty(&timer->it.cpu.entry));  in posix_cpu_timer_del()
386 		if (timer->it.cpu.firing)  in posix_cpu_timer_del()
389 			list_del(&timer->it.cpu.entry);  in posix_cpu_timer_del()
449 	struct task_struct *p = timer->it.cpu.task;  in arm_timer()
452 	struct cpu_timer_list *const nt = &timer->it.cpu;  in arm_timer()
509 		timer->it.cpu.expires = 0;  in cpu_timer_fire()
516 		timer->it.cpu.expires = 0;  in cpu_timer_fire()
517 	} else if (timer->it.cpu.incr == 0) {  in cpu_timer_fire()
522 		timer->it.cpu.expires = 0;  in cpu_timer_fire()
605 	struct task_struct *p = timer->it.cpu.task;  in posix_cpu_timer_set()
632 	old_incr = timer->it.cpu.incr;  in posix_cpu_timer_set()
633 	old_expires = timer->it.cpu.expires;  in posix_cpu_timer_set()
634 	if (unlikely(timer->it.cpu.firing)) {  in posix_cpu_timer_set()
635 		timer->it.cpu.firing = -1;  in posix_cpu_timer_set()
638 		list_del_init(&timer->it.cpu.entry);  in posix_cpu_timer_set()
670 			if (val < timer->it.cpu.expires) {  in posix_cpu_timer_set()
671 				old_expires = timer->it.cpu.expires - val;  in posix_cpu_timer_set()
702 	timer->it.cpu.expires = new_expires;  in posix_cpu_timer_set()
712 	timer->it.cpu.incr = timespec_to_sample(timer->it_clock,  in posix_cpu_timer_set()
748 	struct task_struct *p = timer->it.cpu.task;  in posix_cpu_timer_get()
756 			   timer->it.cpu.incr, &itp->it_interval);  in posix_cpu_timer_get()
758 	if (timer->it.cpu.expires == 0) {	/* Timer not armed at all.  */  in posix_cpu_timer_get()
784 			timer->it.cpu.expires = 0;  in posix_cpu_timer_get()
785 			sample_to_timespec(timer->it_clock, timer->it.cpu.expires,  in posix_cpu_timer_get()
793 	if (now < timer->it.cpu.expires) {  in posix_cpu_timer_get()
795 				   timer->it.cpu.expires - now,  in posix_cpu_timer_get()
897 static void check_cpu_itimer(struct task_struct *tsk, struct cpu_itimer *it,  in check_cpu_itimer()  argument
901 	if (!it->expires)  in check_cpu_itimer()
904 	if (cur_time >= it->expires) {  in check_cpu_itimer()
905 		if (it->incr) {  in check_cpu_itimer()
906 			it->expires += it->incr;  in check_cpu_itimer()
907 			it->error += it->incr_error;  in check_cpu_itimer()
908 			if (it->error >= onecputick) {  in check_cpu_itimer()
909 				it->expires -= cputime_one_jiffy;  in check_cpu_itimer()
910 				it->error -= onecputick;  in check_cpu_itimer()
913 			it->expires = 0;  in check_cpu_itimer()
922 	if (it->expires && (!*expires || it->expires < *expires)) {  in check_cpu_itimer()
923 		*expires = it->expires;  in check_cpu_itimer()
957 	check_cpu_itimer(tsk, &sig->it[CPUCLOCK_PROF], &prof_expires, ptime,  in check_process_timers()
959 	check_cpu_itimer(tsk, &sig->it[CPUCLOCK_VIRT], &virt_expires, utime,  in check_process_timers()
1006 	struct task_struct *p = timer->it.cpu.task;  in posix_cpu_timer_schedule()
1035 			timer->it.cpu.expires = 0;  in posix_cpu_timer_schedule()
1179 	list_for_each_entry_safe(timer, next, &firing, it.cpu.entry) {  in run_posix_cpu_timers()
1183 		list_del_init(&timer->it.cpu.entry);  in run_posix_cpu_timers()
1184 		cpu_firing = timer->it.cpu.firing;  in run_posix_cpu_timers()
1185 		timer->it.cpu.firing = 0;  in run_posix_cpu_timers()
1248 			    struct timespec *rqtp, struct itimerspec *it)  in do_cpu_nanosleep()  argument
1265 		memset(it, 0, sizeof *it);  in do_cpu_nanosleep()
1266 		it->it_value = *rqtp;  in do_cpu_nanosleep()
1269 		error = posix_cpu_timer_set(&timer, flags, it, NULL);  in do_cpu_nanosleep()
1276 			if (timer.it.cpu.expires == 0) {  in do_cpu_nanosleep()
1298 		sample_to_timespec(which_clock, timer.it.cpu.expires, rqtp);  in do_cpu_nanosleep()
1299 		error = posix_cpu_timer_set(&timer, 0, &zero_it, it);  in do_cpu_nanosleep()
1319 		if ((it->it_value.tv_sec | it->it_value.tv_nsec) == 0) {  in do_cpu_nanosleep()
1338 	struct itimerspec it;  in posix_cpu_nsleep()  local
1349 	error = do_cpu_nanosleep(which_clock, flags, rqtp, &it);  in posix_cpu_nsleep()
1358 		if (rmtp && copy_to_user(rmtp, &it.it_value, sizeof *rmtp))  in posix_cpu_nsleep()
1373 	struct itimerspec it;  in posix_cpu_nsleep_restart()  local
1378 	error = do_cpu_nanosleep(which_clock, TIMER_ABSTIME, &t, &it);  in posix_cpu_nsleep_restart()
1385 		if (rmtp && copy_to_user(rmtp, &it.it_value, sizeof *rmtp))  in posix_cpu_nsleep_restart()