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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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2
drivers/net/sungem.c
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@@ -1136,7 +1136,7 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
writel(gp->tx_new, gp->regs + TXDMA_KICK);
spin_unlock_irqrestore(&gp->tx_lock, flags);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
return NETDEV_TX_OK;
}