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=-9.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 C4036C433DF for ; Mon, 10 Aug 2020 19:39:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9BCD1207FF for ; Mon, 10 Aug 2020 19:39:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lixom-net.20150623.gappssmtp.com header.i=@lixom-net.20150623.gappssmtp.com header.b="fUXOloVb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728394AbgHJTjZ (ORCPT ); Mon, 10 Aug 2020 15:39:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728253AbgHJTjZ (ORCPT ); Mon, 10 Aug 2020 15:39:25 -0400 Received: from mail-io1-xd43.google.com (mail-io1-xd43.google.com [IPv6:2607:f8b0:4864:20::d43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2663C061787 for ; Mon, 10 Aug 2020 12:39:24 -0700 (PDT) Received: by mail-io1-xd43.google.com with SMTP id h4so4411003ioe.5 for ; Mon, 10 Aug 2020 12:39:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lixom-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KG7HkPdgfYza0KKOehXlJf0mICZpLgyaJzR9GuUofuc=; b=fUXOloVbCXuF+NPnW17bzh2jLA3H8qu/dOC7TPKOL2QUos/sBzQ5CRoxtQJFb8g3G2 AYIyYbs0ZfZ6aDIaEoKZNgRRcvbTvgMlsOjLIYpmuy/J3SQhbHXV5dM/VhBeVH8XellB 6N4elr0PMDoF7N56qBjJa5HD3724dVmbT1YCW1KovZJp2EVcKcAZIlSRmBQ0dOMRG8NV gxciGLPqMXMCMBAt0FPiDJwhSVy/LDGoZp0gSnby2PTGC0UM1mVSjd/0MuGwflaH95zs j03sj8mSaBzXWRfQq5lyPgMhXF45BsJug4i9aO4ErNTiuPZEXVroBiDBsJAczCMY7u9e vg2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=KG7HkPdgfYza0KKOehXlJf0mICZpLgyaJzR9GuUofuc=; b=jXHjEsOgTz+S7YEPkdW6rpDTsfl5uGtMlEcePU+94QaYO+/kjT8qzA9NQBptXNxdBJ DnW/7EJzFzQHiAHjTv/jI71eDNUWtvR9c1QzYwZ9UvOvO/4iEfibEZnd+EOwEG9Zm/Ef 07nI3u/Lu97q+78oiVX+Fe9QmD6aF2Y4hHvOZxMoyCn9OroTKjqF8YNdPUBL7jYEHT7L ey63AvITTTgBWRajwPQV4Sfb1E5jJTJ5Vw2Z0noi2TmNCclSAzupbK0J417bzGlcL6EC qKapdV1UhKv9MHr+ckSl0htQJwcdUVIm+bd20chA32FWda+c5M0UK0TiL4MbYhkBUxz3 b77Q== X-Gm-Message-State: AOAM533c9/Npz7gJqqlIuAyjx3f1cQRQyq58w3K+Wbacy2M4Vr2o0/n1 /DH4sb9D7yR8GcOkUHWICyotfmvcX1WBz35MwaiqpL5k X-Google-Smtp-Source: ABdhPJyNCjBD+ApAm5EKXSFXpNtiLnuZQXUEji/Nk9r66AH8XDVZRUMie+STAQO5PpX/pDgrcUhz8sHf1IdT/5swGmI= X-Received: by 2002:a6b:5c17:: with SMTP id z23mr18928874ioh.67.1597088363879; Mon, 10 Aug 2020 12:39:23 -0700 (PDT) MIME-Version: 1.0 References: <20200805172629.GA1040@bug> <20200805193001.nebwdutcek53pnit@duo.ucw.cz> In-Reply-To: <20200805193001.nebwdutcek53pnit@duo.ucw.cz> From: Olof Johansson Date: Mon, 10 Aug 2020 12:39:12 -0700 Message-ID: Subject: Re: [Ksummit-discuss] [TECH TOPIC] Planning code obsolescence To: Pavel Machek Cc: Geert Uytterhoeven , linux-arch , ksummit , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 5, 2020 at 12:30 PM Pavel Machek wrote: > > On Wed 2020-08-05 20:50:43, Geert Uytterhoeven wrote: > > Hi Pavel, > > > > On Wed, Aug 5, 2020 at 7:26 PM Pavel Machek wrote: > > > > I have submitted the below as a topic for the linux/arch/* MC that Mike > > > > and I run, but I suppose it also makes sense to discuss it on the > > > > ksummit-discuss mailing list (cross-posted to linux-arch and lkml) as well > > > > even if we don't discuss it at the main ksummit track. > > > > > > > * Latest kernel in which it was known to have worked > > > > > > For some old hardware, I started collecting kernel version, .config and dmesg from > > > successful boots. github.com/pavelmachek, click on "missy". > > > > You mean your complete hardware collection doesn't boot v5.8? ;-) > > I need to do some pushing, and yes, maybe some more testing. > > But I was wondering if someone sees this as useful and wants to > contribute more devices? :-). There's in my opinion a big difference between "the last user of this device sent it to Pavel and now it will be supported forever in spite of no users" and "there's a whole group of people using mainline on these old devices and Pavel makes sure it keeps booting for them". -Olof