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-rw-r--r--kernel/hrtimer.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index f1c4155..f580dd9 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -550,6 +550,7 @@ static inline void run_hrtimer_queue(struct hrtimer_base *base)
fn = timer->function;
data = timer->data;
set_curr_timer(base, timer);
+ timer->state = HRTIMER_RUNNING;
__remove_hrtimer(timer, base);
spin_unlock_irq(&base->lock);
@@ -565,6 +566,10 @@ static inline void run_hrtimer_queue(struct hrtimer_base *base)
spin_lock_irq(&base->lock);
+ /* Another CPU has added back the timer */
+ if (timer->state != HRTIMER_RUNNING)
+ continue;
+
if (restart == HRTIMER_RESTART)
enqueue_hrtimer(timer, base);
else