From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by dpdk.org (Postfix) with ESMTP id A7D7E1B129 for ; Wed, 12 Dec 2018 07:24:40 +0100 (CET) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E0FE880D; Tue, 11 Dec 2018 22:24:39 -0800 (PST) Received: from net-debian.shanghai.arm.com (net-debian.shanghai.arm.com [10.169.36.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id B364F3F614; Tue, 11 Dec 2018 22:24:38 -0800 (PST) From: Gavin Hu To: dev@dpdk.org Cc: nd@arm.com, Gavin Hu , thomas@monjalon.net, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, Honnappa.Nagarahalli@arm.com Date: Wed, 12 Dec 2018 14:24:02 +0800 Message-Id: <20181212062404.30243-1-gavin.hu@arm.com> X-Mailer: git-send-email 2.11.0 Subject: [dpdk-dev] [PATCH v1 0/2] add rte_ring_reset and use it to flush a 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: , X-List-Received-Date: Wed, 12 Dec 2018 06:24:40 -0000 To flush a ring not in use, dequeue one by one is wasting cpu cycles. The patch is to just resetting the head and tail indices to save cpu cycle. Gavin Hu (2): ring: add rte_ring_reset api to flush the ring hash: flush the rings instead of dequeuing one by one lib/librte_hash/Makefile | 2 +- lib/librte_hash/rte_cuckoo_hash.c | 11 ++++------- lib/librte_ring/rte_ring.h | 20 ++++++++++++++++++++ lib/librte_ring/rte_ring_version.map | 7 +++++++ 4 files changed, 32 insertions(+), 8 deletions(-) -- 2.11.0