diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2016-07-04 09:50:24 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2016-07-07 08:35:06 (GMT) |
commit | 177ec0a0a531695210b277d734b2f92ee5796303 (patch) | |
tree | 9a74d251e2126eaafd7e7478b3ebfa70b3e86ac9 | |
parent | f3438bc7813c439a06104ba074301c8bdd64ac8b (diff) | |
download | linux-177ec0a0a531695210b277d734b2f92ee5796303.tar.xz |
timers: Remove the deprecated mod_timer_pinned() API
We switched all users to initialize the timers as pinned and call
mod_timer(). Remove the now unused timer API function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Chris Mason <clm@fb.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: George Spelvin <linux@sciencehorizons.net>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160704094341.706205231@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r-- | include/linux/timer.h | 3 | ||||
-rw-r--r-- | kernel/time/timer.c | 39 |
2 files changed, 5 insertions, 37 deletions
diff --git a/include/linux/timer.h b/include/linux/timer.h index 046d6cf..a8f6c70 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -190,12 +190,9 @@ extern void add_timer_on(struct timer_list *timer, int cpu); extern int del_timer(struct timer_list * timer); extern int mod_timer(struct timer_list *timer, unsigned long expires); extern int mod_timer_pending(struct timer_list *timer, unsigned long expires); -extern int mod_timer_pinned(struct timer_list *timer, unsigned long expires); extern void set_timer_slack(struct timer_list *time, int slack_hz); -#define MOD_TIMER_NOT_PINNED 0 -#define MOD_TIMER_PINNED 1 /* * The jiffies value which is added to now, when there is no timer * in the timer wheel: diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 693f6d1..ba49c1c 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -764,8 +764,7 @@ static struct tvec_base *lock_timer_base(struct timer_list *timer, } static inline int -__mod_timer(struct timer_list *timer, unsigned long expires, - bool pending_only, int pinned) +__mod_timer(struct timer_list *timer, unsigned long expires, bool pending_only) { struct tvec_base *base, *new_base; unsigned long flags; @@ -782,7 +781,7 @@ __mod_timer(struct timer_list *timer, unsigned long expires, debug_activate(timer, expires); - new_base = get_target_base(base, pinned || timer->flags & TIMER_PINNED); + new_base = get_target_base(base, timer->flags & TIMER_PINNED); if (base != new_base) { /* @@ -825,7 +824,7 @@ out_unlock: */ int mod_timer_pending(struct timer_list *timer, unsigned long expires) { - return __mod_timer(timer, expires, true, MOD_TIMER_NOT_PINNED); + return __mod_timer(timer, expires, true); } EXPORT_SYMBOL(mod_timer_pending); @@ -900,39 +899,11 @@ int mod_timer(struct timer_list *timer, unsigned long expires) if (timer_pending(timer) && timer->expires == expires) return 1; - return __mod_timer(timer, expires, false, MOD_TIMER_NOT_PINNED); + return __mod_timer(timer, expires, false); } EXPORT_SYMBOL(mod_timer); /** - * mod_timer_pinned - modify a timer's timeout - * @timer: the timer to be modified - * @expires: new timeout in jiffies - * - * mod_timer_pinned() is a way to update the expire field of an - * active timer (if the timer is inactive it will be activated) - * and to ensure that the timer is scheduled on the current CPU. - * - * Note that this does not prevent the timer from being migrated - * when the current CPU goes offline. If this is a problem for - * you, use CPU-hotplug notifiers to handle it correctly, for - * example, cancelling the timer when the corresponding CPU goes - * offline. - * - * mod_timer_pinned(timer, expires) is equivalent to: - * - * del_timer(timer); timer->expires = expires; add_timer(timer); - */ -int mod_timer_pinned(struct timer_list *timer, unsigned long expires) -{ - if (timer->expires == expires && timer_pending(timer)) - return 1; - - return __mod_timer(timer, expires, false, MOD_TIMER_PINNED); -} -EXPORT_SYMBOL(mod_timer_pinned); - -/** * add_timer - start a timer * @timer: the timer to be added * @@ -1512,7 +1483,7 @@ signed long __sched schedule_timeout(signed long timeout) expire = timeout + jiffies; setup_timer_on_stack(&timer, process_timeout, (unsigned long)current); - __mod_timer(&timer, expire, false, MOD_TIMER_NOT_PINNED); + __mod_timer(&timer, expire, false); schedule(); del_singleshot_timer_sync(&timer); |