From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: config files maintenance Date: Fri, 31 Jul 2015 17:43:02 +0200 Message-ID: <1508851.EJxvAFadW3@xps13> References: <2490473.jjJga3lrlm@xps13> <3062043.oWgikOttml@xps13> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: "Zhang, Helin" Return-path: Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) by dpdk.org (Postfix) with ESMTP id CCB62C710 for ; Fri, 31 Jul 2015 17:44:18 +0200 (CEST) Received: by wibxm9 with SMTP id xm9so37334000wib.1 for ; Fri, 31 Jul 2015 08:44:18 -0700 (PDT) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2015-07-31 15:39, Zhang, Helin: > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > > 2015-07-31 15:29, Zhang, Helin: > > > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > > > > Can we remove i40e bulk alloc option? > > > > > > As the receiving functions are different for bulk_alloc or not, we need this flag. > > > > What brings the non bulk alloc function? > > Bulk-alloc means it will allocate mbufs in bulk, which was added before we supporting > Vector PMD long long ago, to show the possible better performance. > I think all was disabled by default, and later it is enabled by default for Linux. Yes, I know that. My question was: Why not removing the non bulk alloc Rx in i40e? Who needs to disable I40E_RX_ALLOW_BULK_ALLOC? I think you understand that the goal is remove some options and code useless nowadays (maintenance stuff).