From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eliezer Tamir Subject: Re: [PATCH v9 net-next 2/7] net: add low latency socket poll Date: Wed, 05 Jun 2013 18:30:56 +0300 Message-ID: <51AF59B0.6080101@linux.intel.com> References: <20130605103400.11172.49099.stgit@ladj378.jer.intel.com> <20130605103421.11172.82925.stgit@ladj378.jer.intel.com> <1370445714.24311.268.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 , Eliezer Tamir To: Eric Dumazet Return-path: Received: from mga02.intel.com ([134.134.136.20]:50711 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756479Ab3FEPbI (ORCPT ); Wed, 5 Jun 2013 11:31:08 -0400 In-Reply-To: <1370445714.24311.268.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: On 05/06/2013 18:21, Eric Dumazet wrote: > On Wed, 2013-06-05 at 13:34 +0300, Eliezer Tamir wrote: > > > This is probably too big to be inlined, and nonblock should be a bool > It would also make sense to give end_time as a parameter, so that the > polling() code could really give a end_time for the whole duration of > poll(). > > (You then should test can_poll_ll(end_time) _before_ call to > ndo_ll_poll()) how would you handle a nonblocking operation in that case? I guess if we have a socket option, then we don't need to handle none blocking any diffrent, since the user specified exactly how much time to waste polling. right?