Hi everyone,
I think we need a check in the function add_timer_on() to avoid adding a
timer into the timer list of an offline cpu.
This patch fixes this problem in add_timer_on().
Signed-off-by: Miao Xie <[email protected]>
---
kernel/timer.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/timer.c b/kernel/timer.c
index a05817c..6189561 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -451,6 +451,7 @@ void add_timer_on(struct timer_list *timer, int cpu)
timer_stats_timer_set_start_info(timer);
BUG_ON(timer_pending(timer) || !timer->function);
spin_lock_irqsave(&base->lock, flags);
+ BUG_ON(cpu_is_offline(cpu));
timer_set_base(timer, base);
internal_add_timer(base, timer);
spin_unlock_irqrestore(&base->lock, flags);
--
1.5.3.7
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