From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60288C04AB5 for ; Mon, 3 Jun 2019 18:30:15 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 28F8326C51 for ; Mon, 3 Jun 2019 18:30:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28F8326C51 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass 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AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B3F3B2F8BF1; Mon, 3 Jun 2019 18:21:16 +0000 (UTC) Received: from [10.18.17.164] (dhcp-17-164.bos.redhat.com [10.18.17.164]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6A67417CC0; Mon, 3 Jun 2019 18:21:11 +0000 (UTC) To: Peter Maydell References: <20190531192429.GH22103@habkost.net> <93e5101f-67f1-a416-5e80-f16371a35e6a@redhat.com> <871s0asvli.fsf@dusky.pond.sub.org> <236db86d-52df-5537-4f33-f3c09bbb6289@redhat.com> From: John Snow Openpgp: preference=signencrypt Autocrypt: addr=jsnow@redhat.com; prefer-encrypt=mutual; keydata= mQINBFTKefwBEAChvwqYC6saTzawbih87LqBYq0d5A8jXYXaiFMV/EvMSDqqY4EY6whXliNO IYzhgrPEe7ZmPxbCSe4iMykjhwMh5byIHDoPGDU+FsQty2KXuoxto+ZdrP9gymAgmyqdk3aV vzzmCa3cOppcqKvA0Kqr10UeX/z4OMVV390V+DVWUvzXpda45/Sxup57pk+hyY52wxxjIqef rj8u5BN93s5uCVTus0oiVA6W+iXYzTvVDStMFVqnTxSxlpZoH5RGKvmoWV3uutByQyBPHW2U 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List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Daniel P. Berrange" , Eduardo Habkost , QEMU Developers , Markus Armbruster , Cleber Rosa , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 6/3/19 2:17 PM, Peter Maydell wrote: > On Mon, 3 Jun 2019 at 19:02, John Snow wrote: >> That policy strikes me as weird, because RHEL7 is not going to be, in >> general, using the latest and greatest QEMU. Usually stable versions of >> distros stick with the versions of the programs that came out at the time. >> >> What's the benefit of making sure that stable platforms can continue to >> run the *newest* QEMU? Is this even a reasonable restriction? If you are >> running RHEL7, how many projects do you expect to be able to git clone >> and build and have that work with the rest of your legacy/stable >> dependencies? > > The benefit is that in general people who want to build QEMU > from source can do so. I don't want us to be the kind of > project that needs latest-and-greatest-foo for everything > to build, because that sort of project is pretty infuriating > to try to work with if you're an occasional contributor. > "Builds on LTS distros" is an easy-to-express way to keep > things from getting out of hand. > > Plus a bunch of the build machines we do testing on are > not running bleeding edge distros, and as Connie says plenty > of developers do QEMU development on non-bleeding-edge versions > (my primary dev box run an LTS Ubuntu). > I get it, we don't want to require Python 3.8 because some dev wanted assignment conditionals -- but we're talking about Python 2 here, which suffers its EOL by the end of this calendar year. So do we think it's reasonable to drop support for Python2 for the release that comes out after Python2's EOL, or do we insist on 2x3 simultaneous support for years more? --js