linux-imx
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committed 04547728b7bx
*/void debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter){ memset(waiter, MUTEX_DEBUG_INIT, sizeof(*waiter)); waiter->magic = waiter; INIT_LIST_HEAD(&waiter->list);}void debug_mutex_wake_waiter(struct mutex *lock, struct mutex_waiter *waiter){ SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock)); lockdep_assert_held(&lock->wait_lock); DEBUG_LOCKS_WARN_ON(list_empty(&lock->wait_list)); DEBUG_LOCKS_WARN_ON(waiter->magic != waiter); DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list));}void debug_mutex_free_waiter(struct mutex_waiter *waiter){ DEBUG_LOCKS_WARN_ON(!list_empty(&waiter->list)); memset(waiter, MUTEX_DEBUG_FREE, sizeof(*waiter));}void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, struct task_struct *task){ SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock)); lockdep_assert_held(&lock->wait_lock); /* Mark the current thread as blocked on the lock: */ task->blocked_on = waiter;}void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, struct task_struct *task){ DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list)); DEBUG_LOCKS_WARN_ON(waiter->task != task);