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Diffstat (limited to 'kernel/timer.c')
-rw-r--r--kernel/timer.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/timer.c b/kernel/timer.c
index 43ca9936f2d..d6459923d24 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -959,7 +959,7 @@ EXPORT_SYMBOL(try_to_del_timer_sync);
*
* Synchronization rules: Callers must prevent restarting of the timer,
* otherwise this function is meaningless. It must not be called from
- * hardirq contexts. The caller must not hold locks which would prevent
+ * interrupt contexts. The caller must not hold locks which would prevent
* completion of the timer's handler. The timer's handler must not call
* add_timer_on(). Upon exit the timer is not queued and the handler is
* not running on any CPU.
@@ -969,10 +969,12 @@ EXPORT_SYMBOL(try_to_del_timer_sync);
int del_timer_sync(struct timer_list *timer)
{
#ifdef CONFIG_LOCKDEP
- local_bh_disable();
+ unsigned long flags;
+
+ local_irq_save(flags);
lock_map_acquire(&timer->lockdep_map);
lock_map_release(&timer->lockdep_map);
- local_bh_enable();
+ local_irq_restore(flags);
#endif
/*
* don't use it in hardirq context, because it