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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 16:01:31 +0400
committerDavid S. Miller <davem@davemloft.net>2010-05-10 16:01:31 +0400
commit1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch)
treed1955a7639e99832590df26466a34d5786a880ae /drivers/net/tun.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadlinux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.xz
net: trans_start cleanups
Now that core network takes care of trans_start updates, dont do it in drivers themselves, if possible. Drivers can avoid one cache miss (on dev->trans_start) in their start_xmit() handler. Exceptions are NETIF_F_LLTX drivers Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 6b150c072a41..dbdfb1ff7ca0 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -396,7 +396,6 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
/* Enqueue packet */
skb_queue_tail(&tun->socket.sk->sk_receive_queue, skb);
- dev->trans_start = jiffies;
/* Notify and wake up reader process */
if (tun->flags & TUN_FASYNC)