From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E767EA0548; Sun, 25 Apr 2021 07:57:28 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6444C40685; Sun, 25 Apr 2021 07:57:28 +0200 (CEST) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mails.dpdk.org (Postfix) with ESMTP id 0A7354013F for <dev@dpdk.org>; Sun, 25 Apr 2021 07:57:27 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6ADFB1FB; Sat, 24 Apr 2021 22:57:26 -0700 (PDT) Received: from net-arm-n1amp-01.shanghai.arm.com (net-arm-n1amp-01.shanghai.arm.com [10.169.210.102]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 09C7C3F774; Sat, 24 Apr 2021 22:57:23 -0700 (PDT) From: Ruifeng Wang <ruifeng.wang@arm.com> To: Cc: dev@dpdk.org, david.marchand@redhat.com, thomas@monjalon.net, jerinj@marvell.com, nd@arm.com, honnappa.nagarahalli@arm.com, ruifeng.wang@arm.com Date: Sun, 25 Apr 2021 05:56:51 +0000 Message-Id: <20210425055653.1509261-1-ruifeng.wang@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200424070741.16619-1-gavin.hu@arm.com> References: <20200424070741.16619-1-gavin.hu@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] Use WFE for spinlock and ring X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> The rte_wait_until_equal_xxx APIs abstract the functionality of 'polling for a memory location to become equal to a given value'[1]. Use the API for the rte spinlock and ring implementations. With the wait until equal APIs being stable, changes will not impact ABI. [1] http://patches.dpdk.org/cover/62703/ v3: Series rebased. (David) Gavin Hu (1): spinlock: use wfe to reduce contention on aarch64 Ruifeng Wang (1): ring: use wfe to wait for ring tail update on aarch64 lib/eal/include/generic/rte_spinlock.h | 4 ++-- lib/ring/rte_ring_c11_pvt.h | 4 ++-- lib/ring/rte_ring_generic_pvt.h | 3 +-- 3 files changed, 5 insertions(+), 6 deletions(-) -- 2.25.1