From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 158A6A0551; Fri, 21 Feb 2020 18:11:10 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8E4A21BFAD; Fri, 21 Feb 2020 18:11:09 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id 208041BFA5 for ; Fri, 21 Feb 2020 18:11:07 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Feb 2020 09:11:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,469,1574150400"; d="scan'208";a="349415738" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.20]) ([10.237.221.20]) by fmsmga001.fm.intel.com with ESMTP; 21 Feb 2020 09:11:05 -0800 To: Ray Kinsella , dev@dpdk.org Cc: john.mcnamara@intel.com, nhorman@tuxdriver.com, marko.kovacevic@intel.co, bruce.richardson@intel.com References: <1580915872-1686-1-git-send-email-mdr@ashroe.eu> <1582022761-1749-1-git-send-email-mdr@ashroe.eu> From: Ferruh Yigit 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] [PATCH v4] doc: alias to experimental tag for stable apis 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 2/18/2020 10:46 AM, Ray Kinsella wrote: > When a maintainer is promoting an API to become part of the next major ABI > version by removing the experimental tag, possibly a few releases in > advance of the declaration of the next ABI version. The maintainer may > choose to offer an alias to the experimental tag, as removing the tag > before the declaration of the next major ABI version, would cause an ABI > breakage for applications using the API. > > Signed-off-by: Ray Kinsella > --- > doc/guides/contributing/abi_policy.rst | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/doc/guides/contributing/abi_policy.rst b/doc/guides/contributing/abi_policy.rst > index 05ca959..7ae7de7 100644 > --- a/doc/guides/contributing/abi_policy.rst > +++ b/doc/guides/contributing/abi_policy.rst > @@ -159,6 +159,11 @@ The requirements for changing the ABI are: > ``experimental``, as described in the section on :ref:`Experimental APIs > and Libraries `. > > + - In situations in which an ``experimental`` API has been stable for some > + time. When promoting the API to become part of the next ABI version, the > + maintainer may choose to provide an alias to the ``experimental`` tag, so > + as not to break consuming applications. > + > #. If a newly proposed API functionally replaces an existing one, when the new > API becomes non-experimental, then the old one is marked with > ``__rte_deprecated``. > @@ -317,6 +322,11 @@ not required. Though, an API should remain in experimental state for at least > one release. Thereafter, the normal process of posting patch for review to > mailing list can be followed. > > +After the experimental tag has been formally removed, a tree/sub-tree maintainer > +may choose to offer an alias to the experimental tag so as not to break > +applications using the API. The alias is then dropped at the declaration of next > +major ABI version. > + > Libraries > ~~~~~~~~~ > > This leaves the decision to author/maintainer, I am more for making this a requirement, but at least this enables it and better than nothing ;) Acked-by: Ferruh Yigit