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Wed, 19 Feb 2020 08:29:23 -0500 To: dev@dpdk.org References: <44659287.fMDQidcC6G@xps> <4488034.BEx9A2HvPv@xps> <20200219114330.GB357121@hmswarspite.think-freely.org> <5254976.hdfAi7Kttb@xps> From: Ray Kinsella Autocrypt: addr=mdr@ashroe.eu; keydata= mQINBFv8B3wBEAC+5ImcgbIvadt3axrTnt7Sxch3FsmWTTomXfB8YiuHT8KL8L/bFRQSL1f6 ASCHu3M89EjYazlY+vJUWLr0BhK5t/YI7bQzrOuYrl9K94vlLwzD19s/zB/g5YGGR5plJr0s JtJsFGEvF9LL3e+FKMRXveQxBB8A51nAHfwG0WSyx53d61DYz7lp4/Y4RagxaJoHp9lakn8j HV2N6rrnF+qt5ukj5SbbKWSzGg5HQF2t0QQ5tzWhCAKTfcPlnP0GymTBfNMGOReWivi3Qqzr S51Xo7hoGujUgNAM41sxpxmhx8xSwcQ5WzmxgAhJ/StNV9cb3HWIoE5StCwQ4uXOLplZNGnS uxNdegvKB95NHZjRVRChg/uMTGpg9PqYbTIFoPXjuk27sxZLRJRrueg4tLbb3HM39CJwSB++ YICcqf2N+GVD48STfcIlpp12/HI+EcDSThzfWFhaHDC0hyirHxJyHXjnZ8bUexI/5zATn/ux TpMbc/vicJxeN+qfaVqPkCbkS71cHKuPluM3jE8aNCIBNQY1/j87k5ELzg3qaesLo2n1krBH bKvFfAmQuUuJT84/IqfdVtrSCTabvDuNBDpYBV0dGbTwaRfE7i+LiJJclUr8lOvHUpJ4Y6a5 0cxEPxm498G12Z3NoY/mP5soItPIPtLR0rA0fage44zSPwp6cQARAQABtBxSYXkgS2luc2Vs bGEgPG1kckBhc2hyb2UuZXU+iQJUBBMBCAA+FiEEcDUDlKDJaDuJlfZfdJdaH/sCCpsFAlv8 B3wCGyMFCQlmAYAFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQdJdaH/sCCptdtRAAl0oE msa+djBVYLIsax+0f8acidtWg2l9f7kc2hEjp9h9aZCpPchQvhhemtew/nKavik3RSnLTAyn B3C/0GNlmvI1l5PFROOgPZwz4xhJKGN7jOsRrbkJa23a8ly5UXwF3Vqnlny7D3z+7cu1qq/f VRK8qFyWkAb+xgqeZ/hTcbJUWtW+l5Zb+68WGEp8hB7TuJLEWb4+VKgHTpQ4vElYj8H3Z94a 04s2PJMbLIZSgmKDASnyrKY0CzTpPXx5rSJ1q+B1FCsfepHLqt3vKSALa3ld6bJ8fSJtDUJ7 JLiU8dFZrywgDIVme01jPbjJtUScW6jONLvhI8Z2sheR71UoKqGomMHNQpZ03ViVWBEALzEt TcjWgJFn8yAmxqM4nBnZ+hE3LbMo34KCHJD4eg18ojDt3s9VrDLa+V9fNxUHPSib9FD9UX/1 +nGfU/ZABmiTuUDM7WZdXri7HaMpzDRJUKI6b+/uunF8xH/h/MHW16VuMzgI5dkOKKv1LejD dT5mA4R+2zBS+GsM0oa2hUeX9E5WwjaDzXtVDg6kYq8YvEd+m0z3M4e6diFeLS77/sAOgaYL 92UcoKD+Beym/fVuC6/55a0e12ksTmgk5/ZoEdoNQLlVgd2INtvnO+0k5BJcn66ZjKn3GbEC VqFbrnv1GnA58nEInRCTzR1k26h9nmS5Ag0EW/wHfAEQAMth1vHr3fOZkVOPfod3M6DkQir5 xJvUW5EHgYUjYCPIa2qzgIVVuLDqZgSCCinyooG5dUJONVHj3nCbITCpJp4eB3PI84RPfDcC hf/V34N/Gx5mTeoymSZDBmXT8YtvV/uJvn+LvHLO4ZJdvq5ZxmDyxfXFmkm3/lLw0+rrNdK5 pt6OnVlCqEU9tcDBezjUwDtOahyV20XqxtUttN4kQWbDRkhT+HrA9WN9l2HX91yEYC+zmF1S OhBqRoTPLrR6g4sCWgFywqztpvZWhyIicJipnjac7qL/wRS+wrWfsYy6qWLIV80beN7yoa6v ccnuy4pu2uiuhk9/edtlmFE4dNdoRf7843CV9k1yRASTlmPkU59n0TJbw+okTa9fbbQgbIb1 pWsAuicRHyLUIUz4f6kPgdgty2FgTKuPuIzJd1s8s6p2aC1qo+Obm2gnBTduB+/n1Jw+vKpt 07d+CKEKu4CWwvZZ8ktJJLeofi4hMupTYiq+oMzqH+V1k6QgNm0Da489gXllU+3EFC6W1qKj tkvQzg2rYoWeYD1Qn8iXcO4Fpk6wzylclvatBMddVlQ6qrYeTmSbCsk+m2KVrz5vIyja0o5Y yfeN29s9emXnikmNfv/dA5fpi8XCANNnz3zOfA93DOB9DBf0TQ2/OrSPGjB3op7RCfoPBZ7u AjJ9dM7VABEBAAGJAjwEGAEIACYWIQRwNQOUoMloO4mV9l90l1of+wIKmwUCW/wHfAIbDAUJ CWYBgAAKCRB0l1of+wIKm3KlD/9w/LOG5rtgtCUWPl4B3pZvGpNym6XdK8cop9saOnE85zWf u+sKWCrxNgYkYP7aZrYMPwqDvilxhbTsIJl5HhPgpTO1b0i+c0n1Tij3EElj5UCg3q8mEc17 c+5jRrY3oz77g7E3oPftAjaq1ybbXjY4K32o3JHFR6I8wX3m9wJZJe1+Y+UVrrjY65gZFxcA thNVnWKErarVQGjeNgHV4N1uF3pIx3kT1N4GSnxhoz4Bki91kvkbBhUgYfNflGURfZT3wIKK +d50jd7kqRouXUCzTdzmDh7jnYrcEFM4nvyaYu0JjSS5R672d9SK5LVIfWmoUGzqD4AVmUW8 pcv461+PXchuS8+zpltR9zajl72Q3ymlT4BTAQOlCWkD0snBoKNUB5d2EXPNV13nA0qlm4U2 GpROfJMQXjV6fyYRvttKYfM5xYKgRgtP0z5lTAbsjg9WFKq0Fndh7kUlmHjuAIwKIV4Tzo75 QO2zC0/NTaTjmrtiXhP+vkC4pcrOGNsbHuaqvsc/ZZ0siXyYsqbctj/sCd8ka2r94u+c7o4l BGaAm+FtwAfEAkXHu4y5Phuv2IRR+x1wTey1U1RaEPgN8xq0LQ1OitX4t2mQwjdPihZQBCnZ wzOrkbzlJMNrMKJpEgulmxAHmYJKgvZHXZXtLJSejFjR0GdHJcL5rwVOMWB8cg== Message-ID: <6de88cc1-4766-b59a-e138-0b3978f58d5d@ashroe.eu> Date: Wed, 19 Feb 2020 13:50:33 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <5254976.hdfAi7Kttb@xps> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-AuthUser: mdr@ashroe.eu 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 19/02/2020 12:43, Thomas Monjalon wrote: > 19/02/2020 12:43, Neil Horman: >> On Tue, Feb 18, 2020 at 10:50:09AM +0100, Thomas Monjalon wrote: >>> 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). >>> >> I don't understand. Why would we change the ABI_VERSION at all in an LTS release at >> all? This operation is meant to take an an experimental API and mark it as >> stable by promoting its version number to the next major releases number. As >> such, in the LTS release, we should keep the soname the same, as there should be >> no other ABI changes in the promoted API. > > The library version number is updated because we add new symbols. > > 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 just pad them to 4 places as the simple solution? 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? Ray K