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>
Subject: Re: [PATCH v10 net-next 3/6] udp: add low latency socket poll support
Date: Mon, 10 Jun 2013 07:31:08 -0700 [thread overview]
Message-ID: <1370874668.3252.4.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130610084000.6955.20487.stgit@ladj378.jer.intel.com>
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@intel.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
> ---
>
> 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@google.com>
next prev parent reply other threads:[~2013-06-10 14:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 8:39 [PATCH v10 net-next 0/6] net: low latency Ethernet device polling Eliezer Tamir
2013-06-10 8:39 ` [PATCH v10 net-next 1/6] net: add napi_id and hash Eliezer Tamir
2013-06-10 9:22 ` Eric Dumazet
2013-06-10 16:38 ` Willem de Bruijn
2013-06-10 8:39 ` [PATCH v10 net-next 2/6] net: add low latency socket poll Eliezer Tamir
2013-06-10 14:29 ` Eric Dumazet
2013-06-10 16:36 ` Willem de Bruijn
2013-06-10 8:40 ` [PATCH v10 net-next 3/6] udp: add low latency socket poll support Eliezer Tamir
2013-06-10 14:31 ` Eric Dumazet [this message]
2013-06-10 16:38 ` Willem de Bruijn
2013-06-10 8:40 ` [PATCH v10 net-next 4/6] tcp: " Eliezer Tamir
2013-06-10 14:32 ` Eric Dumazet
2013-06-10 16:38 ` Willem de Bruijn
2013-06-10 8:40 ` [PATCH v10 net-next 5/6] ixgbe: add support for ndo_ll_poll Eliezer Tamir
2013-06-10 14:59 ` Eric Dumazet
2013-06-11 21:40 ` Keller, Jacob E
2013-06-10 8:40 ` [PATCH v10 net-next 6/6] ixgbe: add extra stats " Eliezer Tamir
2013-06-10 20:41 ` [PATCH v10 net-next 0/6] net: low latency Ethernet device polling David Miller
2013-06-11 2:25 ` Eliezer Tamir
2013-06-11 4:24 ` David Miller
2013-06-11 6:49 ` Eliezer Tamir
2013-06-11 7:32 ` Eric Dumazet
2013-06-11 9:29 ` Eliezer Tamir
2013-06-11 8:14 ` David Miller
2013-06-11 12:49 ` Eliezer Tamir
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