Lines Matching refs:timer
483 static inline unsigned int timer_get_idx(struct timer_list *timer) in timer_get_idx() argument
485 return (timer->flags & TIMER_ARRAYMASK) >> TIMER_ARRAYSHIFT; in timer_get_idx()
488 static inline void timer_set_idx(struct timer_list *timer, unsigned int idx) in timer_set_idx() argument
490 timer->flags = (timer->flags & ~TIMER_ARRAYMASK) | in timer_set_idx()
555 trigger_dyntick_cpu(struct timer_base *base, struct timer_list *timer) in trigger_dyntick_cpu() argument
564 if (timer->flags & TIMER_DEFERRABLE) { in trigger_dyntick_cpu()
584 static void enqueue_timer(struct timer_base *base, struct timer_list *timer, in enqueue_timer() argument
588 hlist_add_head(&timer->entry, base->vectors + idx); in enqueue_timer()
590 timer_set_idx(timer, idx); in enqueue_timer()
592 trace_timer_start(timer, timer->expires, timer->flags); in enqueue_timer()
607 trigger_dyntick_cpu(base, timer); in enqueue_timer()
611 static void internal_add_timer(struct timer_base *base, struct timer_list *timer) in internal_add_timer() argument
616 idx = calc_wheel_index(timer->expires, base->clk, &bucket_expiry); in internal_add_timer()
617 enqueue_timer(base, timer, idx, bucket_expiry); in internal_add_timer()
631 struct timer_list *timer = addr; in timer_is_static_object() local
633 return (timer->entry.pprev == NULL && in timer_is_static_object()
634 timer->entry.next == TIMER_ENTRY_STATIC); in timer_is_static_object()
643 struct timer_list *timer = addr; in timer_fixup_init() local
647 del_timer_sync(timer); in timer_fixup_init()
648 debug_object_init(timer, &timer_debug_descr); in timer_fixup_init()
668 struct timer_list *timer = addr; in timer_fixup_activate() local
672 timer_setup(timer, stub_timer, 0); in timer_fixup_activate()
689 struct timer_list *timer = addr; in timer_fixup_free() local
693 del_timer_sync(timer); in timer_fixup_free()
694 debug_object_free(timer, &timer_debug_descr); in timer_fixup_free()
707 struct timer_list *timer = addr; in timer_fixup_assert_init() local
711 timer_setup(timer, stub_timer, 0); in timer_fixup_assert_init()
728 static inline void debug_timer_init(struct timer_list *timer) in debug_timer_init() argument
730 debug_object_init(timer, &timer_debug_descr); in debug_timer_init()
733 static inline void debug_timer_activate(struct timer_list *timer) in debug_timer_activate() argument
735 debug_object_activate(timer, &timer_debug_descr); in debug_timer_activate()
738 static inline void debug_timer_deactivate(struct timer_list *timer) in debug_timer_deactivate() argument
740 debug_object_deactivate(timer, &timer_debug_descr); in debug_timer_deactivate()
743 static inline void debug_timer_assert_init(struct timer_list *timer) in debug_timer_assert_init() argument
745 debug_object_assert_init(timer, &timer_debug_descr); in debug_timer_assert_init()
748 static void do_init_timer(struct timer_list *timer,
753 void init_timer_on_stack_key(struct timer_list *timer, in init_timer_on_stack_key() argument
758 debug_object_init_on_stack(timer, &timer_debug_descr); in init_timer_on_stack_key()
759 do_init_timer(timer, func, flags, name, key); in init_timer_on_stack_key()
763 void destroy_timer_on_stack(struct timer_list *timer) in destroy_timer_on_stack() argument
765 debug_object_free(timer, &timer_debug_descr); in destroy_timer_on_stack()
770 static inline void debug_timer_init(struct timer_list *timer) { } in debug_timer_init() argument
771 static inline void debug_timer_activate(struct timer_list *timer) { } in debug_timer_activate() argument
772 static inline void debug_timer_deactivate(struct timer_list *timer) { } in debug_timer_deactivate() argument
773 static inline void debug_timer_assert_init(struct timer_list *timer) { } in debug_timer_assert_init() argument
776 static inline void debug_init(struct timer_list *timer) in debug_init() argument
778 debug_timer_init(timer); in debug_init()
779 trace_timer_init(timer); in debug_init()
782 static inline void debug_deactivate(struct timer_list *timer) in debug_deactivate() argument
784 debug_timer_deactivate(timer); in debug_deactivate()
785 trace_timer_cancel(timer); in debug_deactivate()
788 static inline void debug_assert_init(struct timer_list *timer) in debug_assert_init() argument
790 debug_timer_assert_init(timer); in debug_assert_init()
793 static void do_init_timer(struct timer_list *timer, in do_init_timer() argument
798 timer->entry.pprev = NULL; in do_init_timer()
799 timer->function = func; in do_init_timer()
802 timer->flags = flags | raw_smp_processor_id(); in do_init_timer()
803 lockdep_init_map(&timer->lockdep_map, name, key, 0); in do_init_timer()
818 void init_timer_key(struct timer_list *timer, in init_timer_key() argument
822 debug_init(timer); in init_timer_key()
823 do_init_timer(timer, func, flags, name, key); in init_timer_key()
827 static inline void detach_timer(struct timer_list *timer, bool clear_pending) in detach_timer() argument
829 struct hlist_node *entry = &timer->entry; in detach_timer()
831 debug_deactivate(timer); in detach_timer()
839 static int detach_if_pending(struct timer_list *timer, struct timer_base *base, in detach_if_pending() argument
842 unsigned idx = timer_get_idx(timer); in detach_if_pending()
844 if (!timer_pending(timer)) in detach_if_pending()
847 if (hlist_is_singular_node(&timer->entry, base->vectors + idx)) { in detach_if_pending()
852 detach_timer(timer, clear_pending); in detach_if_pending()
935 static struct timer_base *lock_timer_base(struct timer_list *timer, in lock_timer_base() argument
937 __acquires(timer->base->lock) in lock_timer_base()
948 tf = READ_ONCE(timer->flags); in lock_timer_base()
953 if (timer->flags == tf) in lock_timer_base()
966 __mod_timer(struct timer_list *timer, unsigned long expires, unsigned int options) in __mod_timer() argument
973 BUG_ON(!timer->function); in __mod_timer()
980 if (!(options & MOD_TIMER_NOTPENDING) && timer_pending(timer)) { in __mod_timer()
986 long diff = timer->expires - expires; in __mod_timer()
999 base = lock_timer_base(timer, &flags); in __mod_timer()
1002 if (timer_pending(timer) && (options & MOD_TIMER_REDUCE) && in __mod_timer()
1003 time_before_eq(timer->expires, expires)) { in __mod_timer()
1016 if (idx == timer_get_idx(timer)) { in __mod_timer()
1018 timer->expires = expires; in __mod_timer()
1019 else if (time_after(timer->expires, expires)) in __mod_timer()
1020 timer->expires = expires; in __mod_timer()
1025 base = lock_timer_base(timer, &flags); in __mod_timer()
1029 ret = detach_if_pending(timer, base, false); in __mod_timer()
1033 new_base = get_target_base(base, timer->flags); in __mod_timer()
1043 if (likely(base->running_timer != timer)) { in __mod_timer()
1045 timer->flags |= TIMER_MIGRATING; in __mod_timer()
1050 WRITE_ONCE(timer->flags, in __mod_timer()
1051 (timer->flags & ~TIMER_BASEMASK) | base->cpu); in __mod_timer()
1056 debug_timer_activate(timer); in __mod_timer()
1058 timer->expires = expires; in __mod_timer()
1066 enqueue_timer(base, timer, idx, bucket_expiry); in __mod_timer()
1068 internal_add_timer(base, timer); in __mod_timer()
1086 int mod_timer_pending(struct timer_list *timer, unsigned long expires) in mod_timer_pending() argument
1088 return __mod_timer(timer, expires, MOD_TIMER_PENDING_ONLY); in mod_timer_pending()
1112 int mod_timer(struct timer_list *timer, unsigned long expires) in mod_timer() argument
1114 return __mod_timer(timer, expires, 0); in mod_timer()
1127 int timer_reduce(struct timer_list *timer, unsigned long expires) in timer_reduce() argument
1129 return __mod_timer(timer, expires, MOD_TIMER_REDUCE); in timer_reduce()
1147 void add_timer(struct timer_list *timer) in add_timer() argument
1149 BUG_ON(timer_pending(timer)); in add_timer()
1150 __mod_timer(timer, timer->expires, MOD_TIMER_NOTPENDING); in add_timer()
1161 void add_timer_on(struct timer_list *timer, int cpu) in add_timer_on() argument
1166 BUG_ON(timer_pending(timer) || !timer->function); in add_timer_on()
1168 new_base = get_timer_cpu_base(timer->flags, cpu); in add_timer_on()
1175 base = lock_timer_base(timer, &flags); in add_timer_on()
1177 timer->flags |= TIMER_MIGRATING; in add_timer_on()
1182 WRITE_ONCE(timer->flags, in add_timer_on()
1183 (timer->flags & ~TIMER_BASEMASK) | cpu); in add_timer_on()
1187 debug_timer_activate(timer); in add_timer_on()
1188 internal_add_timer(base, timer); in add_timer_on()
1204 int del_timer(struct timer_list *timer) in del_timer() argument
1210 debug_assert_init(timer); in del_timer()
1212 if (timer_pending(timer)) { in del_timer()
1213 base = lock_timer_base(timer, &flags); in del_timer()
1214 ret = detach_if_pending(timer, base, true); in del_timer()
1229 int try_to_del_timer_sync(struct timer_list *timer) in try_to_del_timer_sync() argument
1235 debug_assert_init(timer); in try_to_del_timer_sync()
1237 base = lock_timer_base(timer, &flags); in try_to_del_timer_sync()
1239 if (base->running_timer != timer) in try_to_del_timer_sync()
1240 ret = detach_if_pending(timer, base, true); in try_to_del_timer_sync()
1291 static void del_timer_wait_running(struct timer_list *timer) in del_timer_wait_running() argument
1295 tf = READ_ONCE(timer->flags); in del_timer_wait_running()
1318 static inline void del_timer_wait_running(struct timer_list *timer) { } in del_timer_wait_running() argument
1358 int del_timer_sync(struct timer_list *timer) in del_timer_sync() argument
1370 lock_map_acquire(&timer->lockdep_map); in del_timer_sync()
1371 lock_map_release(&timer->lockdep_map); in del_timer_sync()
1378 WARN_ON(in_irq() && !(timer->flags & TIMER_IRQSAFE)); in del_timer_sync()
1381 ret = try_to_del_timer_sync(timer); in del_timer_sync()
1384 del_timer_wait_running(timer); in del_timer_sync()
1394 static void call_timer_fn(struct timer_list *timer, in call_timer_fn() argument
1410 lockdep_copy_map(&lockdep_map, &timer->lockdep_map); in call_timer_fn()
1419 trace_timer_expire_entry(timer, baseclk); in call_timer_fn()
1420 fn(timer); in call_timer_fn()
1421 trace_timer_expire_exit(timer); in call_timer_fn()
1448 struct timer_list *timer; in expire_timers() local
1451 timer = hlist_entry(head->first, struct timer_list, entry); in expire_timers()
1453 base->running_timer = timer; in expire_timers()
1454 detach_timer(timer, true); in expire_timers()
1456 fn = timer->function; in expire_timers()
1458 if (timer->flags & TIMER_IRQSAFE) { in expire_timers()
1460 call_timer_fn(timer, fn, baseclk); in expire_timers()
1465 call_timer_fn(timer, fn, baseclk); in expire_timers()
1802 struct timer_list timer; member
1808 struct process_timer *timeout = from_timer(timeout, t, timer); in process_timeout()
1846 struct process_timer timer; in schedule_timeout() local
1880 timer.task = current; in schedule_timeout()
1881 timer_setup_on_stack(&timer.timer, process_timeout, 0); in schedule_timeout()
1882 __mod_timer(&timer.timer, expire, MOD_TIMER_NOTPENDING); in schedule_timeout()
1884 del_singleshot_timer_sync(&timer.timer); in schedule_timeout()
1887 destroy_timer_on_stack(&timer.timer); in schedule_timeout()
1935 struct timer_list *timer; in migrate_timer_list() local
1939 timer = hlist_entry(head->first, struct timer_list, entry); in migrate_timer_list()
1940 detach_timer(timer, false); in migrate_timer_list()
1941 timer->flags = (timer->flags & ~TIMER_BASEMASK) | cpu; in migrate_timer_list()
1942 internal_add_timer(new_base, timer); in migrate_timer_list()