From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f65.google.com (mail-pl0-f65.google.com [209.85.160.65]) by dpdk.org (Postfix) with ESMTP id 1B2221B2C7 for ; Wed, 14 Feb 2018 19:08:38 +0100 (CET) Received: by mail-pl0-f65.google.com with SMTP id k8so8959747pli.8 for ; Wed, 14 Feb 2018 10:08:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WB9a4iOt9mMcUKSrCWcGih/3321i48QGs+3bRnPIxbk=; b=NWkIXj+gDPrlUGKB/ICx+tQ7kPu7s58hqyiZIZ1QPqEL+kPeFsRxL/w7jvd7xXl5x0 RENCT0hkwq2SvW+jMN/Zj/nJxR1jJ/P8wHcp7TQuIaQZc3H95oVM2cl5IYRZtoBYAmZn F2SHGTSYp7v9Xh5iQ6qUepvO6R+vrCLyKuvvIgM+myErH2Po0njVzFdDLnDSlMfuvB+N zaMEJ6YV9VJZ23dlAHHcMgf7vtwWu8VlcWU99siTznjXUYSvmLGsohEGm5cgnrwhGl6c SflcR0hNgKY/TMgIgI1qn7DRlsNe+iIG75DphArqnxNF8u14p1gEH1JKYZQRaOOz+HuT n06w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WB9a4iOt9mMcUKSrCWcGih/3321i48QGs+3bRnPIxbk=; b=WpCFqueAHRA1a0YUIHLIG3oRspgYmW9J0m4PjHhdRM13ZSIOr/MCEKCd+5EQj3Aef8 oXLxcflPog3IwvQQgWid7+P3S6IdCdWM8vcqh8urFqbArVc7yEzlWJlzxdrv0yTw9AVF qCjSsDj9xrNMFbqmTgLgu/vAYKBodIDjGWHOhSq8ikDYqSxvO7I2ZrKvNiZRmZPzXQvP itIfXxdvV9x3+JFa3wFMkUahXStYjcBaFjdyHkvLfhxX+zupuAyKZ4V3gXCupctCgXQb 9LV8Fuio6+vL5/zVFOfkXjnKzIczD7Y8HHlTW8l76MaIuRORqAtZQUkk3aVJSNa0MKtt eXjQ== X-Gm-Message-State: APf1xPAJTT0oHDJ2tZmkZxs4TSTSHyr6UpvfbmuFmB4qwmsKD2NzEg6E u3JsecNchs2szECoWP8RZ6XozA== X-Google-Smtp-Source: AH8x226Ydr0EEq6e4+l6Cae3ZD2/U41OmZoC8WbEK01Z2+kGNjMkxJsgY9sZ8ZUCeLu2my0QoEDFow== X-Received: by 2002:a17:902:14cb:: with SMTP id y11-v6mr11808plg.294.1518631717192; Wed, 14 Feb 2018 10:08:37 -0800 (PST) Received: from xeon-e3 (204-195-71-95.wavecable.com. [204.195.71.95]) by smtp.gmail.com with ESMTPSA id m1sm38612879pfi.120.2018.02.14.10.08.36 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 14 Feb 2018 10:08:36 -0800 (PST) Date: Wed, 14 Feb 2018 10:08:34 -0800 From: Stephen Hemminger To: Bruce Richardson Cc: Luca Boccassi , Maxime Coquelin , Thomas Monjalon , dev@dpdk.org Message-ID: <20180214100834.54cfcf6b@xeon-e3> In-Reply-To: <20180214114415.GA1880@bricha3-MOBL3.ger.corp.intel.com> References: <20180131152709.13853-1-stephen@networkplumber.org> <2393289.cND9ge7AvX@xps> <1518604285.4059.14.camel@debian.org> <470fdbc6-7280-1523-da8b-91fda8fafbcf@redhat.com> <1518605684.4059.16.camel@debian.org> <20180214114415.GA1880@bricha3-MOBL3.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-dev] [PATCH] doc: add kernel version deprecation notice 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: , X-List-Received-Date: Wed, 14 Feb 2018 18:08:38 -0000 On Wed, 14 Feb 2018 11:44:15 +0000 Bruce Richardson wrote: > On Wed, Feb 14, 2018 at 10:54:44AM +0000, Luca Boccassi wrote: > > On Wed, 2018-02-14 at 11:38 +0100, Maxime Coquelin wrote: =20 > > >=20 > > > On 02/14/2018 11:31 AM, Luca Boccassi wrote: =20 > > > > On Wed, 2018-02-14 at 00:58 +0100, Thomas Monjalon wrote: =20 > > > > > 31/01/2018 16:27, Stephen Hemminger: =20 > > > > > > Notify users of upcoming change in kernel requirement. > > > > > > Encourage users to use current LTS kernel version. > > > > > >=20 > > > > > > Signed-off-by: Stephen Hemminger > > > > > > --- +* linux: Linux kernel version 3.2 (which is the current > > > > > > minimum required +=C2=A0=C2=A0version for the DPDK) will be end= of life > > > > > > in May 2018. Therefore the planned +=C2=A0=C2=A0minimum requir= ed kernel > > > > > > version for DPDK 18.5 will be next oldest Long +=C2=A0=C2=A0Ter= m Stable > > > > > > (LTS) version which is 3.10. The recommended kernel version is > > > > > > +=C2=A0=C2=A0the latest LTS kernel which currently is 4.14. =20 > > > > >=20 > > > > > We could print a warning at EAL init if kernel version does not > > > > > satisfy the minimal requirement. > > > > >=20 > > > > > Acked-by: Thomas Monjalon =20 > > > >=20 > > > > Note that 3.10 is dead as well since last year (as I discovered > > > > with immense joy when I had to backport meltdown fixes...), the > > > > next LTS in 3.16 which will be maintained until 04/2020. > > > > =20 > > >=20 > > > In this case we should differentiate upstream Kernel versions from > > > downstream ones. For example, RHEL7/CentOS7 are based on v3.10 ans > > > still maintained. =20 > >=20 > > Ubuntu does 3.13 as well - I think the problem is that if we want to > > support distro-specific LTS kernel versions, we need volunteers to do > > the work for them :-) > >=20 > > -- =20 > I think our kernel support plans need to be two-fold: >=20 > 1) we need to support a minimum "kernel.org" kernel version, which is > what the deprecation notice is about. > 2) we also will be supporting LTS distributions, e.g. I would expect us to > always support the latest RHEL, so that should be noted explicitly in the > GSG IMHO. For distributions, we need to have a maintainer. Ideally, from the vendor or project doing the distribution.