Eric W. Biederman
5efeac44cf
netpoll: Respect NETIF_F_LLTX
...
Stop taking the transmit lock when a network device has specified
NETIF_F_LLTX.
If no locks needed to trasnmit a packet this is the ideal scenario for
netpoll as all packets can be trasnmitted immediately.
Even if some locks are needed in ndo_start_xmit skipping any unnecessary
serialization is desirable for netpoll as it makes it more likely a
debugging packet may be trasnmitted immediately instead of being
deferred until later.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
2014-03-29 17:58:37 -04:00
..
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