From c89fcfd42cbcf839b6737c977f280188eeea92d7 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 28 Aug 2014 01:39:49 -0700 Subject: [PATCH] virtio_net: flush when in xmit_more mode and under descriptor pressure Mirror the changes made to ixgbe in commit 2367a17390138f68b3aa28f2f220b8d7ff8d91f4 ("ixgbe: flush when in xmit_more mode and under descriptor pressure") Signed-off-by: David S. Miller --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f0c2824f5e0f..9359a13d285a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -953,7 +953,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) } } - if (!skb->xmit_more) + if (__netif_subqueue_stopped(dev, qnum) || !skb->xmit_more) virtqueue_kick(sq->vq); return NETDEV_TX_OK; -- 2.11.0