[PATCH v12 07/40] virtio_ring: split: introduce vring_free_split()

[Jason Wang]

在 2022/7/20 11:04, Xuan Zhuo 写道:
> Free the structure struct vring_vritqueue_split.
>
> Subsequent patches require it.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com>


Acked-by: Jason Wang <jasowang at redhat.com>


> ---
>   drivers/virtio/virtio_ring.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
>
> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
> index 87ce17562b29..c94c5461e702 100644
> --- a/drivers/virtio/virtio_ring.c
> +++ b/drivers/virtio/virtio_ring.c
> @@ -939,6 +939,17 @@ static void *virtqueue_detach_unused_buf_split(struct virtqueue *_vq)
>   	return NULL;
>   }
>   
> +static void vring_free_split(struct vring_virtqueue_split *vring_split,
> +			     struct virtio_device *vdev)
> +{
> +	vring_free_queue(vdev, vring_split->queue_size_in_bytes,
> +			 vring_split->vring.desc,
> +			 vring_split->queue_dma_addr);
> +
> +	kfree(vring_split->desc_state);
> +	kfree(vring_split->desc_extra);
> +}
> +
>   static struct virtqueue *vring_create_virtqueue_split(
>   	unsigned int index,
>   	unsigned int num,