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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-05-27 21:26:37 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-05-29 10:46:26 +0200 |
| commit | 28679751a924c11f7135641f26e99249385de5b4 (patch) | |
| tree | 79e05e9ee10e62b02c52e3a5af11dd3dfa28a0e2 /drivers/net/bnx2x_main.c | |
| parent | Merge branch 'linux-2.6.31.y' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-28679751a924c11f7135641f26e99249385de5b4.tar.xz linux-28679751a924c11f7135641f26e99249385de5b4.zip | |
net: dont update dev->trans_start in 10GB drivers
Followup of commits 9d21493b4beb8f918ba248032fefa393074a5e2b
and 08baf561083bc27a953aa087dd8a664bb2b88e8e
(net: tx scalability works : trans_start)
(net: txq_trans_update() helper)
Now that core network takes care of trans_start updates, dont do it
in drivers themselves, if possible. Multi queue drivers can
avoid one cache miss (on dev->trans_start) in their start_xmit()
handler.
Exceptions are NETIF_F_LLTX drivers (vxge & tehuti)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x_main.c')
| -rw-r--r-- | drivers/net/bnx2x_main.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index e01539c33b8a..fbf1352e9c1c 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -10617,7 +10617,6 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) mmiowb(); fp->tx_bd_prod += nbd; - dev->trans_start = jiffies; if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { /* We want bnx2x_tx_int to "see" the updated tx_bd_prod |