From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH v8 net-next 4/7] tcp: add low latency socket poll support. Date: Mon, 03 Jun 2013 06:09:57 -0700 Message-ID: <1370264997.24311.131.camel@edumazet-glaptop> References: <20130603080107.18273.34279.stgit@ladj378.jer.intel.com> <20130603080149.18273.27347.stgit@ladj378.jer.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Willem de Bruijn , Don, Or Gerlitz , e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, HPA , Jesse Brandeburg , Alex Rosenbaum , linux-kernel@vger.kernel.org, Eliezer Tamir , Andi Kleen , Ben Hutchings , Eilon Greenstien , David Miller To: Eliezer Tamir Return-path: In-Reply-To: <20130603080149.18273.27347.stgit@ladj378.jer.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org 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 > Signed-off-by: Jesse Brandeburg > Tested-by: Willem de Bruijn > Signed-off-by: Eliezer Tamir > --- Reviewed-by: Eric Dumazet ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite It's a free troubleshooting tool designed for production Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap2 _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired