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net: trans_start cleanups

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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>
This commit is contained in:
Eric Dumazet
2010-05-10 05:01:31 -07:00
committed by David S. Miller
parent 2b0b05ddc0
commit 1ae5dc342a
168 changed files with 103 additions and 314 deletions
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drivers/net/arcnet/arcnet.c
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@@ -654,7 +654,6 @@ netdev_tx_t arcnet_send_packet(struct sk_buff *skb,
}
}
retval = NETDEV_TX_OK;
dev->trans_start = jiffies;
lp->next_tx = txbuf;
} else {
retval = NETDEV_TX_BUSY;