On Wed, 26 May 2021 04:24:43 -0400 Michael S. Tsirkin wrote:> @@ -1605,12 +1608,17 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)> struct netdev_queue *txq = netdev_get_tx_queue(dev, qnum);> bool kick = !netdev_xmit_more();> bool use_napi = sq->napi.weight;> + unsigned int bytes = skb->len;FWIW GCC says bytes is unused.