diff options
Diffstat (limited to 'kernel/timer.c')
| -rw-r--r-- | kernel/timer.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/timer.c b/kernel/timer.c index 2d30f7fd0ecb..58c80293060b 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -135,6 +135,26 @@ void add_timer(timer_t *timer) } /*** + * add_timer_on - start a timer on a particular CPU + * @timer: the timer to be added + * @cpu: the CPU to start it on + * + * This is not very scalable on SMP. + */ +void add_timer_on(struct timer_list *timer, int cpu) +{ + tvec_base_t *base = tvec_bases+ cpu; + unsigned long flags; + + BUG_ON(timer_pending(timer) || !timer->function); + + spin_lock_irqsave(&base->lock, flags); + internal_add_timer(base, timer); + timer->base = base; + spin_unlock_irqrestore(&base->lock, flags); +} + +/*** * mod_timer - modify a timer's timeout * @timer: the timer to be modified * |