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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/lib/lockdep/include/liblockdep/mutex.h
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@@ -7,6 +7,7 @@
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 struct liblockdep_pthread_mutex {
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 	pthread_mutex_t mutex;
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+	struct lock_class_key key;
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 	struct lockdep_map dep_map;
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 };
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@@ -27,11 +28,10 @@
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 	return pthread_mutex_init(&lock->mutex, __mutexattr);
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 }
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-#define liblockdep_pthread_mutex_init(mutex, mutexattr)		\
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-({								\
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-	static struct lock_class_key __key;			\
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-								\
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-	__mutex_init((mutex), #mutex, &__key, (mutexattr));	\
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+#define liblockdep_pthread_mutex_init(mutex, mutexattr)			\
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+({									\
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+	lockdep_register_key(&(mutex)->key);				\
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+	__mutex_init((mutex), #mutex, &(mutex)->key, (mutexattr));	\
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 })
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 static inline int liblockdep_pthread_mutex_lock(liblockdep_pthread_mutex_t *lock)
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@@ -42,7 +42,7 @@
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 static inline int liblockdep_pthread_mutex_unlock(liblockdep_pthread_mutex_t *lock)
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 {
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-	lock_release(&lock->dep_map, 0, (unsigned long)_RET_IP_);
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+	lock_release(&lock->dep_map, (unsigned long)_RET_IP_);
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 	return pthread_mutex_unlock(&lock->mutex);
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 }
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@@ -54,6 +54,8 @@
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 static inline int liblockdep_pthread_mutex_destroy(liblockdep_pthread_mutex_t *lock)
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 {
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+	lockdep_reset_lock(&lock->dep_map);
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+	lockdep_unregister_key(&lock->key);
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 	return pthread_mutex_destroy(&lock->mutex);
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 }
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