From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id B65B7CD6E4A for ; Thu, 4 Jun 2026 15:39:56 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F07ED402CC; Thu, 4 Jun 2026 17:39:55 +0200 (CEST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by mails.dpdk.org (Postfix) with ESMTP id 6C7DD402B6 for ; Thu, 4 Jun 2026 17:39:54 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.18.224.107]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4gWTJ25f03zHnGdN; Thu, 4 Jun 2026 23:38:58 +0800 (CST) Received: from dubpeml500002.china.huawei.com (unknown [7.214.145.83]) by mail.maildlp.com (Postfix) with ESMTPS id 892FA4058B; Thu, 4 Jun 2026 23:39:52 +0800 (CST) Received: from dubpeml500001.china.huawei.com (7.214.147.241) by dubpeml500002.china.huawei.com (7.214.145.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 4 Jun 2026 16:39:52 +0100 Received: from dubpeml500001.china.huawei.com ([7.214.147.241]) by dubpeml500001.china.huawei.com ([7.214.147.241]) with mapi id 15.02.1544.011; Thu, 4 Jun 2026 16:39:52 +0100 From: Konstantin Ananyev To: Stephen Hemminger , "dev@dpdk.org" CC: Wathsala Vithanage Subject: RE: [PATCH 3/5] ring: use C11 for update_tail Thread-Topic: [PATCH 3/5] ring: use C11 for update_tail Thread-Index: AQHc8rN+g2eOaMYXukKPxvnnZXFd9LYuiiOQ Date: Thu, 4 Jun 2026 15:39:52 +0000 Message-ID: <2dab6a8213b04883b9cab8adbdb9414e@huawei.com> References: <20260602171552.686349-1-stephen@networkplumber.org> <20260602171552.686349-4-stephen@networkplumber.org> In-Reply-To: <20260602171552.686349-4-stephen@networkplumber.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.206.138.220] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > The GCC builtin atomic special case is not needed for updating tail. > The performance is the same with C11 memory model. >=20 > Signed-off-by: Stephen Hemminger > --- > lib/ring/rte_ring_c11_pvt.h | 24 ------------------------ > lib/ring/rte_ring_elem_pvt.h | 22 ++++++++++++++++++++++ > lib/ring/rte_ring_gcc_pvt.h | 25 ------------------------- > 3 files changed, 22 insertions(+), 49 deletions(-) >=20 > -- Acked-by: Konstantin Ananyev Tested-by: Konstantin Ananyev =20 > 2.53.0