netdev - Re: [PATCH v10 net-next 4/6] tcp: add low latency socket poll support.

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Message-ID: <CA+FuTScdGoeocndgGM9=rE+1BAa3urxHWXSpimJ7o7726NhF9g@mail.gmail.com>
Date:	Mon, 10 Jun 2013 12:38:35 -0400
From:	Willem de Bruijn <willemb@...gle.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Eliezer Tamir <eliezer.tamir@...ux.intel.com>,
	David Miller <davem@...emloft.net>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Don Skidmore <donald.c.skidmore@...el.com>,
	e1000-devel <e1000-devel@...ts.sourceforge.net>,
	Ben Hutchings <bhutchings@...arflare.com>,
	Andi Kleen <andi@...stfloor.org>, HPA <hpa@...or.com>,
	Eilon Greenstien <eilong@...adcom.com>,
	Or Gerlitz <or.gerlitz@...il.com>,
	Amir Vadai <amirv@...lanox.com>,
	Eliezer Tamir <eliezer@...ir.org.il>
Subject: Re: [PATCH v10 net-next 4/6] tcp: add low latency socket poll support.

On Mon, Jun 10, 2013 at 10:32 AM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> On Mon, 2013-06-10 at 11:40 +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@...el.com>
>> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
>> Signed-off-by: Eliezer Tamir <eliezer.tamir@...ux.intel.com>
>> ---
>
> Acked-by: Eric Dumazet <edumazet@...gle.com>
>

Tested-by: Willem de Bruijn <willemb@...gle.com>

(per Eliezer's request)
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