From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0E065A0613 for ; Mon, 26 Aug 2019 12:39:58 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4D5011BF0F; Mon, 26 Aug 2019 12:39:57 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id A61621BEF7 for ; Mon, 26 Aug 2019 12:39:55 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Aug 2019 03:39:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,431,1559545200"; d="scan'208";a="379604780" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.4]) ([10.237.221.4]) by fmsmga005.fm.intel.com with ESMTP; 26 Aug 2019 03:39:52 -0700 To: "Ruifeng Wang (Arm Technology China)" , Ye Xiaolong Cc: "jerinj@marvell.com" , "Gavin Hu (Arm Technology China)" , "dev@dpdk.org" , Honnappa Nagarahalli , nd , Kevin Traynor , Luca Boccassi References: <20190813100248.8000-1-ruifeng.wang@arm.com> <20190825013357.GA114581@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH 0/2] IXGBE vPMD changes for aarch64 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 8/26/2019 3:52 AM, Ruifeng Wang (Arm Technology China) wrote: > Hi Xiaolong, > >> -----Original Message----- >> From: Ye Xiaolong >> Sent: Sunday, August 25, 2019 09:34 >> To: Ruifeng Wang (Arm Technology China) >> Cc: jerinj@marvell.com; Gavin Hu (Arm Technology China) >> ; dev@dpdk.org; Honnappa Nagarahalli >> ; nd >> Subject: Re: [dpdk-dev] [PATCH 0/2] IXGBE vPMD changes for aarch64 >> >> Hi, >> >> Thanks for the patches, could you also provide the Fixes tag and cc stable? >> The patchset looks good to me. > > Code changes in both patches are not for bug fixing. > Patch 1/2 includes fix for code comments. I don't think it deserves a Fixes tag or backporting. Can we skip the Fixes tag? In 1/2 a memory barrier is removed, it means it was wrong to add it at first place and you are fixing it, no? Performance improvements are in gray are, but if there is no ABI/API break why not take is performance fix and backport and have the performance improvement in LTS? Also I think taking as much as possible may help to maintain LTS, since it reduces the chance of conflict in later commits, LTS is two years and these small things can accumulate and make getting important fixes hard by time. Is there any specific reason not to backport these patches to LTS releases? > >> >> Thanks, >> Xiaolong >> >> On 08/13, Ruifeng Wang wrote: >>> Couple of changes to IXGBE vector PMD on aarch64 platform. >>> An unnecessary memory barrier was identified and removed. >>> Also part of processing was replaced with NEON intrinsics. >>> Both of the changes will help to improve performance. >>> >>> Ruifeng Wang (2): >>> net/ixgbe: remove barrier in vPMD for aarch64 >>> net/ixgbe: use neon intrinsics to count packet for aarch64 >>> >>> drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c | 32 ++++++++++++------------- >>> 1 file changed, 16 insertions(+), 16 deletions(-) >>> >>> -- >>> 2.17.1 >>>