From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH v4 2/2] ring: move the atomic load of head above the loop Date: Thu, 1 Nov 2018 10:26:01 -0700 Message-ID: <20181101102601.7933b8d1@xeon-e3> References: <1541066031-29125-1-git-send-email-gavin.hu@arm.com> <1541066031-29125-3-git-send-email-gavin.hu@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org, thomas@monjalon.net, olivier.matz@6wind.com, chaozhu@linux.vnet.ibm.com, bruce.richardson@intel.com, konstantin.ananyev@intel.com, jerin.jacob@caviumnetworks.com, Honnappa.Nagarahalli@arm.com, stable@dpdk.org To: Gavin Hu Return-path: Received: from mail-pl1-f196.google.com (mail-pl1-f196.google.com [209.85.214.196]) by dpdk.org (Postfix) with ESMTP id 3CD4B1B10D for ; Thu, 1 Nov 2018 18:26:11 +0100 (CET) Received: by mail-pl1-f196.google.com with SMTP id b9-v6so9254033pls.7 for ; Thu, 01 Nov 2018 10:26:11 -0700 (PDT) In-Reply-To: <1541066031-29125-3-git-send-email-gavin.hu@arm.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Thu, 1 Nov 2018 17:53:51 +0800 Gavin Hu wrote: > +* **Updated the ring library with C11 memory model.** > + > + Updated the ring library with C11 memory model including the following changes: > + > + * Synchronize the load and store of the tail > + * Move the atomic load of head above the loop > + Does this really need to be in the release notes? Is it a user visible change or just an internal/optimization and fix.