From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 594F5A0556; Thu, 20 Feb 2020 20:50:31 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 31CED58C4; Thu, 20 Feb 2020 20:50:30 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 126BA4C81 for <dev@dpdk.org>; Thu, 20 Feb 2020 20:50:27 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Feb 2020 11:50:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,465,1574150400"; d="scan'208";a="436706641" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.20]) ([10.237.221.20]) by fmsmga006.fm.intel.com with ESMTP; 20 Feb 2020 11:50:24 -0800 To: "Kinsella, Ray" <ray.kinsella@intel.com>, Thomas Monjalon <thomas@monjalon.net>, "Richardson, Bruce" <bruce.richardson@intel.com> Cc: "nhorman@tuxdriver.com" <nhorman@tuxdriver.com>, "bluca@debian.org" <bluca@debian.org>, "david.marchand@redhat.com" <david.marchand@redhat.com>, "ktraynor@redhat.com" <ktraynor@redhat.com>, "dev@dpdk.org" <dev@dpdk.org> References: <44659287.fMDQidcC6G@xps> <20200218094216.GB875@bricha3-MOBL.ger.corp.intel.com> <4488034.BEx9A2HvPv@xps> <BN6PR11MB414532E5C4EDC33CCB4FE2A590110@BN6PR11MB4145.namprd11.prod.outlook.com> From: Ferruh Yigit <ferruh.yigit@intel.com> Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] ABI version of experimental libraries X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> On 2/18/2020 10:36 AM, Kinsella, Ray wrote: > > >> -----Original Message----- >> From: Thomas Monjalon <thomas@monjalon.net> >> Sent: Tuesday 18 February 2020 09:50 >> To: Richardson, Bruce <bruce.richardson@intel.com> >> Cc: Kinsella, Ray <ray.kinsella@intel.com>; nhorman@tuxdriver.com; >> bluca@debian.org; david.marchand@redhat.com; ktraynor@redhat.com; >> dev@dpdk.org >> Subject: Re: ABI version of experimental libraries >> >> 18/02/2020 10:42, Bruce Richardson: >>> On Tue, Feb 18, 2020 at 12:15:56AM +0100, Thomas Monjalon wrote: >>>> Hi, >>>> >>>> I would like to remind everybody our mistake when defining ABI >> versions. >>>> It has been "fixed" in this commit: >>>> http://git.dpdk.org/dpdk/commit/?id=f26c2b39 >>>> >>>> Please let's think about the consequence for the experimental >> libraries. >>>> >>>> In DPDK 19.11, we use the ABI version 0.200 with soname 0.20 In >> DPDK >>>> 20.02, we use the ABI version 0.2001 with soname 0.201 Numbers are >>>> increasing, that's fine. When we'll switch to the new major ABI >> and >>>> use a normal numbering: In DPDK 20.11, we will use the ABI version >>>> 0.210 with soname 0.21 Numbers are dropping. >>>> >>>> In short, for experimental libs, ABI 20.1 > ABI 21.0 >>>> >>>> Are we OK with this or do we prefer reverting to normal numbering >>>> for experimental libraries in DPDK 20.02? >>>> >>> Personally, I would not be too concerned about the verions of >>> experimental libs, so long as they don't conflict across versions and >>> have some similarity to the major ABI version for the release. >> >> You think sorting of the version numbers is not important? >> If we don't care comparing experimental version numbers, then OK, let's >> drop this patch. But please we need a small vote. >> >> Note: there would be no problem if we did not vote for having a special >> numbering for pure experimental libraries (I am still against). >> > > So while experimental library version numbers are not "important". > I do agree with Thomas they should be sane, increase and should have a consistent format. > > Should we always pad them to 4 places? > i.e. > > DPDK 19.11 ... 0.20 (needs to remain 0.20). > DPDK 20.02 ... 0.2001 > DPDK 20.11 ... 0.2100 > DPDK 21.02 ... 0.2101 > > Make sense? > What about following: DPDK version ABI version soname library name ------------ ----------- ------ ------------ DPDK 19.11 20.0 .so.0.200 .so.0.200 DPDK 20.02 20.0.1 .so.0.200.1 .so.0.200.1 DPDK 20.05 20.0.2 .so.0.200.2 .so.0.200.2 DPDK 20.11 21.0 .so.0.210 .so.0.210 DPDK 21.02 21.1 .so.0.211 .so.0.211 This let us turn back to sane versions when soname fixed in 20.11. Also I think for experimental libraries soname should NOT be same in minor versions, otherwise it can create false impression that it is ABI compatible between two minor versions. I will reply the patch to this email.