mlx5_blocking_notifier_unregister
mlx5_blocking_notifier_unregister(dev->mdev, &roce->mdev_nb);
mlx5_blocking_notifier_unregister(mdev, &mdpll->mdev_nb);
mlx5_blocking_notifier_unregister(priv->mdev, &priv->blocking_events_nb);
EXPORT_SYMBOL(mlx5_blocking_notifier_unregister);
mlx5_blocking_notifier_unregister(dev, &dev->priv.sf_table_mdev_nb);
int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);