From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] EAL:fix memory barrier implementation on IBM
	POWER
Date: Thu, 21 Jul 2016 16:24:23 +0200
Message-ID: <2952292.tI9mo3Bcbg@xps13>
References: <1468549819-22764-1-git-send-email-chaozhu@linux.vnet.ibm.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7Bit
Cc: dev@dpdk.org
To: Chao Zhu <chaozhu@linux.vnet.ibm.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mail-lf0-f46.google.com (mail-lf0-f46.google.com
 [209.85.215.46]) by dpdk.org (Postfix) with ESMTP id 487C54CE6
 for <dev@dpdk.org>; Thu, 21 Jul 2016 16:24:25 +0200 (CEST)
Received: by mail-lf0-f46.google.com with SMTP id b199so63570466lfe.0
 for <dev@dpdk.org>; Thu, 21 Jul 2016 07:24:25 -0700 (PDT)
In-Reply-To: <1468549819-22764-1-git-send-email-chaozhu@linux.vnet.ibm.com>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

2016-07-15 10:30, Chao Zhu:
> On weak memory order architecture like POWER, rte_smp_wmb/rte_smp_rmb
> need to use CPU instructions, not compiler barrier. This patch fixes
> this. Also, to improve performance on PPC64, use light weight sync
> instruction instead of sync instruction.
> 
> Signed-off-by: Chao Zhu <chaozhu@linux.vnet.ibm.com>

Applied, thanks