Function virtqueue_kick_prepare

dpdk/drivers/net/virtio/virtqueue.h:493–502

}

static inline int
virtqueue_kick_prepare(struct virtqueue *vq)
{
	/*
	 * Ensure updated avail->idx is visible to vhost before reading
	 * the used->flags.
	 */
	virtio_mb(vq->hw->weak_barriers);
	return !(vq->vq_split.ring.used->flags & VRING_USED_F_NO_NOTIFY);
}

static inline int
virtqueue_kick_prepare_packed(struct virtqueue *vq)