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@@ -0,0 +1,23 @@
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+diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
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+index 2c25863..3eca9f9 100644
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+--- a/include/linux/lockdep.h
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++++ b/include/linux/lockdep.h
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+@@ -321,6 +321,10 @@ extern void lock_unpin_lock(struct lockdep_map *lock, struct pin_cookie);
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+ WARN_ON_ONCE(debug_locks && !lockdep_is_held(l)); \
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+ } while (0)
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+
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++#define lockdep_assert_none_held_once() do { \
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++ WARN_ON_ONCE(debug_locks && current->lockdep_depth); \
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++ } while (0)
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++
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+ #define lockdep_recursing(tsk) ((tsk)->lockdep_recursion)
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+
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+ #define lockdep_pin_lock(l) lock_pin_lock(&(l)->dep_map)
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+@@ -394,6 +398,7 @@ static inline void lockdep_unregister_key(struct lock_class_key *key)
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+ #define lockdep_assert_held_write(l) do { (void)(l); } while (0)
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+ #define lockdep_assert_held_read(l) do { (void)(l); } while (0)
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+ #define lockdep_assert_held_once(l) do { (void)(l); } while (0)
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++#define lockdep_assert_none_held_once() do { } while (0)
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+
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+ #define lockdep_recursing(tsk) (0)
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+
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