Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp4581692pxa; Mon, 10 Aug 2020 12:40:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw8i4oMHqK+DcD4FYhN2QHzMacqJrpRYdbnZZtLtr/Pn5If51Wij8/dvw0NgSPJwlpZkPs3 X-Received: by 2002:a17:906:2a49:: with SMTP id k9mr11179575eje.117.1597088436834; Mon, 10 Aug 2020 12:40:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597088436; cv=none; d=google.com; s=arc-20160816; b=lZX2Tlsq1/M8xJpjtcvozszl+nNLRvQNzzek7Wi/+PCp545tNU3SbKxVsdfB5S40Br fHgeUW0VMW3sYB770AFuTcZ6xoBelzYDC4+WgJGkNRx1031lNvponqHrMubsK8m1DTBU k2YR8lEYPBjS+QOt0HrTqcswj5hpPG4zTIuxwtEkAKpxBEYazVNBblfM3tSFKgL8X0n9 VODuW3gqR9f5A9lTURC65U4krDKbgTxjvypRsy+pV6BCJGIubl00dEd5WI5sNUSzHUdx DXV6LQFuP6pNIxVpeuSpa4xqQNQeRO/T6FblnxWhtS/txX9X/Y2lXyyE58Y1Ac0CR+oc NJVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=KG7HkPdgfYza0KKOehXlJf0mICZpLgyaJzR9GuUofuc=; b=rZmEOE+nHRCJDU31oAbHqgh0Fbh4HG2SC0hNEOxaBLfMIDkmnMqahzVGqsRq7BUteC iT46GUepxLyXical9xLstQ/JWvxn58hMBMbXkN4OHg3K/88jTl1hgB9uoaegNuiPRltZ 6sV4bIHNsLgxjo0ctC4E7u8Ud/LPsCiQymAwghKqxw+NJt2XcExf9+iqtqk5tF8L6Io+ /WRGAluhI3F2HYi13vddCcEvnDvFP2ceYdwu9uhDTdPUlB+Q2T8j0iDlSBVRhgkxgJlZ dglXisi6TZwxKnSMReV00PEWze7wTUp86pnj8v6LVj7hCKzOWzoGs5lMqh1xL4iru0Xs DctQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@lixom-net.20150623.gappssmtp.com header.s=20150623 header.b=fUXOloVb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a6si10850539edr.403.2020.08.10.12.40.14; Mon, 10 Aug 2020 12:40:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@lixom-net.20150623.gappssmtp.com header.s=20150623 header.b=fUXOloVb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728342AbgHJTjZ (ORCPT + 99 others); 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-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