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net: remove support for per driver ndo_busy_poll()

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We added generic support for busy polling in NAPI layer in linux-4.5

No network driver uses ndo_busy_poll() anymore, we can get rid
of the pointer in struct net_device_ops, and its use in sk_busy_loop()

Saves NETIF_F_BUSY_POLL features bit.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-02-02 18:43:28 -08:00 • committed by David S. Miller
parent 7a655c6324
commit 79e7fff47b
4 changed files with 0 additions and 21 deletions
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1
net/core/ethtool.c
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@ -102,7 +102,6 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_RXFCS_BIT] = "rx-fcs",
[NETIF_F_RXALL_BIT] = "rx-all",
[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
[NETIF_F_BUSY_POLL_BIT] = "busy-poll",
[NETIF_F_HW_TC_BIT] = "hw-tc-offload",
};