gld_lock
kmutex_t gld_lock;
mutex_enter(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_enter(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_enter(&qede->gld_lock);
mutex_enter(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_enter(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_exit(&qede->gld_lock);
mutex_destroy(&qede->gld_lock);
mutex_init(&qede->gld_lock, NULL,