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

[Willem de Bruijn]

On Mon, Jun 10, 2013 at 10:31 AM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> 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 <alexander.h.duyck@xxxxxxxxx>
>> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
>> Signed-off-by: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>
>> ---
>>
>>  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 <edumazet@xxxxxxxxxx>
>

Tested-by: Willem de Bruijn <willemb@xxxxxxxxxx>

(per Eliezer's request)
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