Re: [dpdk-stable] [PATCH v2 2/2] net/virtio: fix virtio-user Rx interrupts with multi queue

[Maxime Coquelin <maxime.coquelin@redhat.com>]

On 8/31/21 5:54 PM, David Marchand wrote:
> The callfds[] array stores eventfds sequentially for Rx and Tx vq.
> 
> Fixes: 3d4fb6fd2505 ("net/virtio-user: support Rx interrupt")
> Cc: stable@dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> ---
>  drivers/net/virtio/virtio_user/virtio_user_dev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> index 16c58710d7..89f8b2271f 100644
> --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> @@ -416,7 +416,7 @@ virtio_user_fill_intr_handle(struct virtio_user_dev *dev)
>  	}
>  
>  	for (i = 0; i < dev->max_queue_pairs; ++i)
> -		eth_dev->intr_handle->efds[i] = dev->callfds[i];
> +		eth_dev->intr_handle->efds[i] = dev->callfds[2 * i];
>  	eth_dev->intr_handle->nb_efd = dev->max_queue_pairs;
>  	eth_dev->intr_handle->max_intr = dev->max_queue_pairs + 1;
>  	eth_dev->intr_handle->type = RTE_INTR_HANDLE_VDEV;
> 

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

Thanks,
Maxime