From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id F1848A0C48 for ; Tue, 13 Jul 2021 02:46:59 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C5B124069D; Tue, 13 Jul 2021 02:46:59 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mails.dpdk.org (Postfix) with ESMTP id 0E6B14069D; Tue, 13 Jul 2021 02:46:57 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10043"; a="210119572" X-IronPort-AV: E=Sophos;i="5.84,235,1620716400"; d="scan'208";a="210119572" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2021 17:46:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,235,1620716400"; d="scan'208";a="561930748" Received: from irsmsx606.ger.corp.intel.com ([163.33.146.139]) by orsmga004.jf.intel.com with ESMTP; 12 Jul 2021 17:46:53 -0700 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by IRSMSX606.ger.corp.intel.com (163.33.146.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Tue, 13 Jul 2021 01:46:51 +0100 Received: from shsmsx601.ccr.corp.intel.com ([10.109.6.141]) by SHSMSX601.ccr.corp.intel.com ([10.109.6.141]) with mapi id 15.01.2242.010; Tue, 13 Jul 2021 08:46:49 +0800 From: "Zhang, Qi Z" To: Joyce Kong , "Xing, Beilei" , "ruifeng.wang@arm.com" , "honnappa.nagarahalli@arm.com" , "Richardson, Bruce" , "Zhang, Helin" CC: "dev@dpdk.org" , "stable@dpdk.org" , "nd@arm.com" Thread-Topic: [PATCH v3 2/2] net/i40e: replace SMP barrier with thread fence Thread-Index: AQHXcjPgn79d19TRw0ycP+68GlyG/qtAHG3w Date: Tue, 13 Jul 2021 00:46:48 +0000 Message-ID: <2175c4cab5f44450b69dc19ac908b47e@intel.com> References: <20210604073405.14880-1-joyce.kong@arm.com> <20210706065404.25137-1-joyce.kong@arm.com> <20210706065404.25137-3-joyce.kong@arm.com> In-Reply-To: <20210706065404.25137-3-joyce.kong@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.5.1.3 dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-stable] [PATCH v3 2/2] net/i40e: replace SMP barrier with thread fence X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > -----Original Message----- > From: Joyce Kong > Sent: Tuesday, July 6, 2021 2:54 PM > To: Xing, Beilei ; Zhang, Qi Z ; > ruifeng.wang@arm.com; honnappa.nagarahalli@arm.com; Richardson, Bruce > ; Zhang, Helin > Cc: dev@dpdk.org; stable@dpdk.org; nd@arm.com > Subject: [PATCH v3 2/2] net/i40e: replace SMP barrier with thread fence >=20 > Simply replace the SMP barrier with atomic thread fence for i40e hw ring = sacn, > if there is no synchronization point. >=20 > Signed-off-by: Joyce Kong > Reviewed-by: Ruifeng Wang Acked-by: Qi Zhang Applied to dpdk-next-net-intel. Thanks Qi