From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Burakov, Anatoly" Subject: Re: [PATCH v4 06/24] ethdev: enable hotplug on multi-process Date: Tue, 26 Jun 2018 14:20:55 +0100 Message-ID: <365fd549-14c6-ae72-84be-3ec7389eaa84@intel.com> References: <20180607123849.14439-1-qi.z.zhang@intel.com> <20180626070832.3055-1-qi.z.zhang@intel.com> <20180626070832.3055-7-qi.z.zhang@intel.com> <969f0cb7-4186-d05c-442f-6341f1c44e93@intel.com> <039ED4275CED7440929022BC67E706115323E71A@SHSMSX103.ccr.corp.intel.com> <30b1c93c-1d7c-07d9-d41a-76e84f63d6a1@intel.com> <039ED4275CED7440929022BC67E706115323E7A5@SHSMSX103.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "Ananyev, Konstantin" , "dev@dpdk.org" , "Richardson, Bruce" , "Yigit, Ferruh" , "Shelton, Benjamin H" , "Vangati, Narender" To: "Zhang, Qi Z" , "thomas@monjalon.net" Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 814FC1B5AA for ; Tue, 26 Jun 2018 15:20:59 +0200 (CEST) In-Reply-To: <039ED4275CED7440929022BC67E706115323E7A5@SHSMSX103.ccr.corp.intel.com> Content-Language: en-US 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 26-Jun-18 1:58 PM, Zhang, Qi Z wrote: > > my understand is peer is identified by a string (or filename) > what I mean is clone the content of the buffer that peer point to , > So I don't need to worry if the original peer be used to point to some other data > As far as the application is concerned, peer is an opaque pointer, and should be treated as such. Peeking behind a void pointer that is not designed for this purpose is not a good idea, even if technically you know what's in there. -- Thanks, Anatoly