netdev - [PATCH RFC 2/2] virtio_net: bulk free tx skbs

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Message-ID: <20181205225323.12555-3-mst@redhat.com>
Date:   Wed, 5 Dec 2018 17:54:24 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     maxime.coquelin@...hat.com, tiwei.bie@...el.com, wexu@...hat.com,
        jfreimann@...hat.com, Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: [PATCH RFC 2/2] virtio_net: bulk free tx skbs

Use napi_consume_skb() to get bulk free.  Note that napi_consume_skb is
safe to call in a non-napi context as long as the napi_budget flag is
correct.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 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 b657bde6b94b..18c06322be40 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1339,7 +1339,7 @@ static void free_old_xmit_skbs(struct send_queue *sq, struct netdev_queue *txq,
 		bytes += skb->len;
 		packets++;
 
-		dev_consume_skb_any(skb);
+		napi_consume_skb(skb, use_napi);
 	}
 
 	/* Avoid overhead when no packets have been processed
-- 
MST