783 static void __tasklet_schedule_common(struct tasklet_struct *t,  in __tasklet_schedule_common()  argument
792 	t->next = NULL;  in __tasklet_schedule_common()
793 	*head->tail = t;  in __tasklet_schedule_common()
794 	head->tail = &(t->next);  in __tasklet_schedule_common()
799 void __tasklet_schedule(struct tasklet_struct *t)  in __tasklet_schedule()  argument
801 	__tasklet_schedule_common(t, &tasklet_vec,  in __tasklet_schedule()
806 void __tasklet_hi_schedule(struct tasklet_struct *t)  in __tasklet_hi_schedule()  argument
808 	__tasklet_schedule_common(t, &tasklet_hi_vec,  in __tasklet_hi_schedule()
813 static bool tasklet_clear_sched(struct tasklet_struct *t)  in tasklet_clear_sched()  argument
815 	if (test_and_clear_bit(TASKLET_STATE_SCHED, &t->state)) {  in tasklet_clear_sched()
816 		wake_up_var(&t->state);  in tasklet_clear_sched()
821 		  t->use_callback ? "callback" : "func",  in tasklet_clear_sched()
822 		  t->use_callback ? (void *)t->callback : (void *)t->func);  in tasklet_clear_sched()
840 		struct tasklet_struct *t = list;  in tasklet_action_common()  local
844 		if (tasklet_trylock(t)) {  in tasklet_action_common()
845 			if (!atomic_read(&t->count)) {  in tasklet_action_common()
846 				if (tasklet_clear_sched(t)) {  in tasklet_action_common()
847 					if (t->use_callback) {  in tasklet_action_common()
848 						trace_tasklet_entry(t->callback);  in tasklet_action_common()
849 						t->callback(t);  in tasklet_action_common()
850 						trace_tasklet_exit(t->callback);  in tasklet_action_common()
852 						trace_tasklet_entry(t->func);  in tasklet_action_common()
853 						t->func(t->data);  in tasklet_action_common()
854 						trace_tasklet_exit(t->func);  in tasklet_action_common()
857 				tasklet_unlock(t);  in tasklet_action_common()
860 			tasklet_unlock(t);  in tasklet_action_common()
864 		t->next = NULL;  in tasklet_action_common()
865 		*tl_head->tail = t;  in tasklet_action_common()
866 		tl_head->tail = &t->next;  in tasklet_action_common()
882 void tasklet_setup(struct tasklet_struct *t,  in tasklet_setup()  argument
885 	t->next = NULL;  in tasklet_setup()
886 	t->state = 0;  in tasklet_setup()
887 	atomic_set(&t->count, 0);  in tasklet_setup()
888 	t->callback = callback;  in tasklet_setup()
889 	t->use_callback = true;  in tasklet_setup()
890 	t->data = 0;  in tasklet_setup()
894 void tasklet_init(struct tasklet_struct *t,  in tasklet_init()  argument
897 	t->next = NULL;  in tasklet_init()
898 	t->state = 0;  in tasklet_init()
899 	atomic_set(&t->count, 0);  in tasklet_init()
900 	t->func = func;  in tasklet_init()
901 	t->use_callback = false;  in tasklet_init()
902 	t->data = data;  in tasklet_init()
911 void tasklet_unlock_spin_wait(struct tasklet_struct *t)  in tasklet_unlock_spin_wait()  argument
913 	while (test_bit(TASKLET_STATE_RUN, &(t)->state)) {  in tasklet_unlock_spin_wait()
932 void tasklet_kill(struct tasklet_struct *t)  in tasklet_kill()  argument
937 	while (test_and_set_bit(TASKLET_STATE_SCHED, &t->state))  in tasklet_kill()
938 		wait_var_event(&t->state, !test_bit(TASKLET_STATE_SCHED, &t->state));  in tasklet_kill()
940 	tasklet_unlock_wait(t);  in tasklet_kill()
941 	tasklet_clear_sched(t);  in tasklet_kill()
946 void tasklet_unlock(struct tasklet_struct *t)  in tasklet_unlock()  argument
949 	clear_bit(TASKLET_STATE_RUN, &t->state);  in tasklet_unlock()
951 	wake_up_var(&t->state);  in tasklet_unlock()
955 void tasklet_unlock_wait(struct tasklet_struct *t)  in tasklet_unlock_wait()  argument
957 	wait_var_event(&t->state, !test_bit(TASKLET_STATE_RUN, &t->state));  in tasklet_unlock_wait()