diff options
Diffstat (limited to 'kernel/time/timer.c')
| -rw-r--r-- | kernel/time/timer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 903705687b52..2d8b82d90c9f 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -42,6 +42,7 @@ #include <linux/sched/sysctl.h> #include <linux/slab.h> #include <linux/compat.h> +#include <linux/random.h> #include <asm/uaccess.h> #include <asm/unistd.h> @@ -797,6 +798,7 @@ static struct tvec_base *lock_timer_base(struct timer_list *timer, spin_unlock_irqrestore(&base->lock, *flags); } cpu_relax(); + ndelay(TIMER_LOCK_TIGHT_LOOP_DELAY_NS); } } @@ -1147,6 +1149,7 @@ int del_timer_sync(struct timer_list *timer) if (ret >= 0) return ret; cpu_relax(); + ndelay(TIMER_LOCK_TIGHT_LOOP_DELAY_NS); } } EXPORT_SYMBOL(del_timer_sync); |