[dpdk-dev] [PATCH] vhost: fix dirty page logging missing

[Maxime Coquelin]

On 11/4/19 12:15 PM, Marvin Liu wrote:
> Packets data are directly copied when doing batch enqueue, add missed
> dirty page logging after memory copy.
> 
> Fixes: ad3df6dcc0fc ("vhost: add packed ring batch enqueue")
> 
> Signed-off-by: Marvin Liu <yong.liu at intel.com>
> ---
>  lib/librte_vhost/virtio_net.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
> index eae7825f0..0c33af7b1 100644
> --- a/lib/librte_vhost/virtio_net.c
> +++ b/lib/librte_vhost/virtio_net.c
> @@ -1107,6 +1107,10 @@ virtio_dev_rx_batch_packed(struct virtio_net *dev,
>  			   pkts[i]->pkt_len);
>  	}
>  
> +	vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE)
> +		vhost_log_cache_write_iova(dev, vq, descs[avail_idx + i].addr,
> +					   lens[i]);
> +
>  	vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE)
>  		ids[i] = descs[avail_idx + i].id;
>  
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime