Message-ID: <1370874744.3252.5.camel@edumazet-glaptop>
Subject: Re: [PATCH v10 net-next 4/6] tcp: add low latency socket poll
 support.
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Cc: David Miller <davem@davemloft.net>, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, Jesse Brandeburg <jesse.brandeburg@intel.com>,
        Don Skidmore <donald.c.skidmore@intel.com>,
        e1000-devel@lists.sourceforge.net,
        Willem de Bruijn <willemb@google.com>,
        Ben Hutchings <bhutchings@solarflare.com>,
        Andi Kleen <andi@firstfloor.org>, HPA <hpa@zytor.com>,
        Eilon Greenstien <eilong@broadcom.com>,
        Or Gerlitz <or.gerlitz@gmail.com>, Amir Vadai <amirv@mellanox.com>,
        Eliezer Tamir <eliezer@tamir.org.il>
Date: Mon, 10 Jun 2013 07:32:24 -0700
In-Reply-To: <20130610084010.6955.14413.stgit@ladj378.jer.intel.com>
References: <20130610083929.6955.87206.stgit@ladj378.jer.intel.com>
	 <20130610084010.6955.14413.stgit@ladj378.jer.intel.com>
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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@intel.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
> ---

Acked-by: Eric Dumazet <edumazet@google.com>


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