From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] ixgbe: get rid of custom busy polling code Date: Fri, 03 Feb 2017 17:18:06 -0500 (EST) Message-ID: <20170203.171806.592509011760010145.davem@davemloft.net> References: <1486081599.21871.38.camel@edumazet-glaptop3.roam.corp.google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jeffrey.t.kirsher@intel.com To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:56820 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752356AbdBCWSJ (ORCPT ); Fri, 3 Feb 2017 17:18:09 -0500 In-Reply-To: <1486081599.21871.38.camel@edumazet-glaptop3.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Thu, 02 Feb 2017 16:26:39 -0800 > From: Eric Dumazet > > In linux-4.5, busy polling was implemented in core > NAPI stack, meaning that all custom implementation can > be removed from drivers. > > Not only we remove lot's of code, we also remove one lock > operation in fast path, and allow GRO to do its job. > > Signed-off-by: Eric Dumazet Applied.