Re: [PATCH v8 net-next 4/7] tcp: add low latency socket pollsupport.

From: Eric Dumazet
Date: Mon Jun 03 2013 - 09:10:08 EST


On Mon, 2013-06-03 at 11:01 +0300, Eliezer Tamir wrote:
> Adds low latency socket poll support for TCP.
> In tcp_v[46]_rcv() add a call to sk_mark_ll() to copy the napi_id
> from the skb to the sk.
> In tcp_recvmsg(), when there is no data in the socket we busy-poll.
> This is a good example of how to add busy-poll support to more protocols.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxx>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
> Tested-by: Willem de Bruijn <willemb@xxxxxxxxxx>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>
> ---

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>


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