From patchwork Fri Apr 24 07:07:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Hu X-Patchwork-Id: 69233 Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 67C22A00C2; Fri, 24 Apr 2020 09:07:58 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F15EF1C1CB; Fri, 24 Apr 2020 09:07:56 +0200 (CEST) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by dpdk.org (Postfix) with ESMTP id E16D61C1CD for ; Fri, 24 Apr 2020 09:07:54 +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 4B9DB31B; Fri, 24 Apr 2020 00:07:54 -0700 (PDT) Received: from net-arm-thunderx2-01.shanghai.arm.com (net-arm-thunderx2-01.shanghai.arm.com [10.169.41.214]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8576E3F68F; Fri, 24 Apr 2020 00:07:51 -0700 (PDT) From: Gavin Hu To: dev@dpdk.org Cc: nd@arm.com, david.marchand@redhat.com, thomas@monjalon.net, jerinj@marvell.com, Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, Phil.Yang@arm.com, Joyce.Kong@arm.com Date: Fri, 24 Apr 2020 15:07:39 +0800 Message-Id: <20200424070741.16619-1-gavin.hu@arm.com> X-Mailer: git-send-email 2.17.1 Subject: [dpdk-dev] [PATCH v1 0/2] Use WFE for spinlock and ring 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" 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. [1] http://patches.dpdk.org/cover/62703/ Gavin Hu (2): spinlock: use wfe to reduce contention on aarch64 ring: use wfe to wait for ring tail update on aarch64 lib/librte_eal/include/generic/rte_spinlock.h | 5 ++--- lib/librte_ring/rte_ring_c11_mem.h | 4 ++-- lib/librte_ring/rte_ring_generic.h | 3 +-- 3 files changed, 5 insertions(+), 7 deletions(-)