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

From: Michael S. Tsirkin
Date: Wed Dec 05 2018 - 17:54:31 EST


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@xxxxxxxxxx>
---
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