Commit-ID: 177ec0a0a531695210b277d734b2f92ee5796303 Gitweb: http://git.kernel.org/tip/177ec0a0a531695210b277d734b2f92ee5796303 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Mon, 4 Jul 2016 09:50:24 +0000 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Thu, 7 Jul 2016 10:35:06 +0200
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 <t...@linutronix.de> Reviewed-by: Frederic Weisbecker <fweis...@gmail.com> Cc: Arjan van de Ven <ar...@infradead.org> Cc: Chris Mason <c...@fb.com> Cc: Eric Dumazet <eduma...@google.com> Cc: George Spelvin <li...@sciencehorizons.net> Cc: Josh Triplett <j...@joshtriplett.org> Cc: Len Brown <l...@kernel.org> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Rik van Riel <r...@redhat.com> Cc: r...@linutronix.de Link: http://lkml.kernel.org/r/20160704094341.706205...@linutronix.de Signed-off-by: Ingo Molnar <mi...@kernel.org> --- include/linux/timer.h | 3 --- 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);
