From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH v9 net-next 3/7] udp: add low latency
	socket poll support
Date: Wed, 05 Jun 2013 06:25:15 -0700
Message-ID: <1370438715.24311.244.camel@edumazet-glaptop>
References: <20130605103400.11172.49099.stgit@ladj378.jer.intel.com>
	<20130605103431.11172.62957.stgit@ladj378.jer.intel.com>
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Cc: Willem de Bruijn <willemb@google.com>, Don,
	Or Gerlitz <or.gerlitz@gmail.com>,
	e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org,
	HPA <hpa@zytor.com>, Amir Vadai <amirv@mellanox.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Eliezer Tamir <eliezer@tamir.org.il>,
	linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
	Ben Hutchings <bhutchings@solarflare.com>,
	Eilon Greenstien <eilong@broadcom.com>, David Miller <davem@davemloft.net>
To: Eliezer Tamir <eliezer.tamir@linux.intel.com>
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On Wed, 2013-06-05 at 13:34 +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@intel.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> Tested-by: Willem de Bruijn <willemb@google.com>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
> ---

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



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