From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754443Ab3FLMzI (ORCPT ); Wed, 12 Jun 2013 08:55:08 -0400 Received: from mga02.intel.com ([134.134.136.20]:54957 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751402Ab3FLMzH (ORCPT ); Wed, 12 Jun 2013 08:55:07 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,852,1363158000"; d="scan'208";a="348687644" Message-ID: <51B86FA3.1030306@linux.intel.com> Date: Wed, 12 Jun 2013 15:54:59 +0300 From: Eliezer Tamir User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 MIME-Version: 1.0 To: Eric Dumazet CC: David Miller , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Jesse Brandeburg , Don Skidmore , e1000-devel@lists.sourceforge.net, Willem de Bruijn , Ben Hutchings , Andi Kleen , HPA , Eilon Greenstien , Or Gerlitz , Amir Vadai , Alex Rosenbaum , Avner Ben Hanoch , Or Kehati , Eliezer Tamir Subject: Re: [PATCH v2 net-next 3/3] net: add socket option for low latency polling References: <20130612111942.19288.12131.stgit@ladj378.jer.intel.com> <20130612112016.19288.86849.stgit@ladj378.jer.intel.com> <1371041065.3252.59.camel@edumazet-glaptop> In-Reply-To: <1371041065.3252.59.camel@edumazet-glaptop> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/06/2013 15:44, Eric Dumazet wrote: > On Wed, 2013-06-12 at 14:20 +0300, Eliezer Tamir wrote: >> adds a socket option for low latency polling. >> This allows overriding the global sysctl value with a per-socket one. >> >> Signed-off-by: Eliezer Tamir >> --- > > It seems EXPORT_SYMBOL_GPL(sysctl_net_ll_poll) can now be removed ? I think we would need it for poll. Poll needs a way that is not dependent on any individual socket to know how long to busy-wait, since we have to know it before we poll any individual socket. The patch I have right now for poll is not ready (and not fully tested). But I can post it as an RFC if you want. -Eliezer From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eliezer Tamir Subject: Re: [PATCH v2 net-next 3/3] net: add socket option for low latency polling Date: Wed, 12 Jun 2013 15:54:59 +0300 Message-ID: <51B86FA3.1030306@linux.intel.com> References: <20130612111942.19288.12131.stgit@ladj378.jer.intel.com> <20130612112016.19288.86849.stgit@ladj378.jer.intel.com> <1371041065.3252.59.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Willem de Bruijn , Or Kehati , Or Gerlitz , e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, HPA , Amir Vadai , Jesse Brandeburg , Alex Rosenbaum , linux-kernel@vger.kernel.org, Eliezer Tamir , Avner Ben Hanoch , Andi Kleen , Ben Hutchings , Eilon Greenstien , David Miller To: Eric Dumazet Return-path: In-Reply-To: <1371041065.3252.59.camel@edumazet-glaptop> 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 12/06/2013 15:44, Eric Dumazet wrote: > On Wed, 2013-06-12 at 14:20 +0300, Eliezer Tamir wrote: >> adds a socket option for low latency polling. >> This allows overriding the global sysctl value with a per-socket one. >> >> Signed-off-by: Eliezer Tamir >> --- > > It seems EXPORT_SYMBOL_GPL(sysctl_net_ll_poll) can now be removed ? I think we would need it for poll. Poll needs a way that is not dependent on any individual socket to know how long to busy-wait, since we have to know it before we poll any individual socket. The patch I have right now for poll is not ready (and not fully tested). But I can post it as an RFC if you want. -Eliezer ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ 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