Re: [PATCH v10 net-next 3/6] udp: add low latency socket poll support

On Mon, 2013-06-10 at 11:40 +0300, Eliezer Tamir wrote:

Add upport for busy-polling on UDP sockets.
In __udp[46]_lib_rcv add a call to sk_mark_ll() to copy the napi_id
from the skb into the sk.
This is done at the earliest possible moment, right after we identify
which socket this skb is for.
In __skb_recv_datagram When there is no data and the user
tries to read we busy poll.

Signed-off-by: Alexander Duyck <redacted>
Signed-off-by: Jesse Brandeburg <redacted>
Signed-off-by: Eliezer Tamir <redacted>
---

 net/core/datagram.c |    4 ++++
 net/ipv4/udp.c      |    6 +++++-
 net/ipv6/udp.c      |    6 +++++-
 3 files changed, 14 insertions(+), 2 deletions(-)

Acked-by: Eric Dumazet <redacted>