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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 DB45AC433DB for ; Wed, 13 Jan 2021 10:31:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F65222CE3 for ; Wed, 13 Jan 2021 10:31:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727256AbhAMKbI (ORCPT ); Wed, 13 Jan 2021 05:31:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727089AbhAMKbH (ORCPT ); Wed, 13 Jan 2021 05:31:07 -0500 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9710C061575 for ; Wed, 13 Jan 2021 02:30:27 -0800 (PST) Received: by mail-pg1-x52b.google.com with SMTP id n25so1238525pgb.0 for ; Wed, 13 Jan 2021 02:30:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=f/KHSc+co25Ee+m78xXCVatn+3QKJ7s6fzi+4PHbpWI=; b=BbAwqI6teqSAc6KDwQj4fLhQFjvM/5r5+sriDGi+g35ai9VawnmiJRKkFp9spkL7fk lfeCAVO0nkP32c2PyVlApc3YP89YaVjAKZvWGnhK71ZvdvScooYAnQ9rGc32yLJxmOJQ xgrbpNImi36EKo3ozUwIRfMEKPsjLU3Afw4jxrzAcXbix7ZPt5dhmzxgMUgXLQ7a+RV6 5igSD1TGtEbhC3k/eZIeCykmHD6m2KgM86Q9EZK38gP5HxA05c5pk3U0IChUsskfFHLL 8+OwBGQDa4TahBtpXE5ja9e02SYjIACQ68hhDC1dw+hLRy4mJQ/Q11BXekz91gnWwr3x 7ySw== 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=f/KHSc+co25Ee+m78xXCVatn+3QKJ7s6fzi+4PHbpWI=; b=sDb682nMJ+FB8SVXzWORJPxU1an+aEoxPzLaeyU5H/YJQlEnWfYgzGgxqBqqdtulTn vygP22exXpM0kqn6uATqeRmTSZyr4B06ACCjyqFleb7BEbkAQC59uBUAmkif3uGLpHlN c/WIDCzRc3ZD2AG2e2njbtBWPPri/CGr05xfB8shCy+tFkA3AbkmaczcF7rZE1ZRn3do pSwn67TgX8+D2dQA5Z1m8pvZcgVkYsabXMCHzroETACw2w8Lri7SMowTB+NanpoiPV+x LpVnf57B6BsZXvM0Yq4o8n0zwOzwO9WZq0OZu62jc7b6I4+rULJQqAVRV9EEenfb126o 1IFA== X-Gm-Message-State: AOAM5337GK0Z7I+0k0WwrtmThOs5pPDV/h4G0fFPGvM269gRAms916uL 6w0uaDqnjl76qbyYmUp3HCKpJ0Npc7xMOuD1kvo= X-Google-Smtp-Source: ABdhPJy6FsxTRaHgaub12BE8T3GrG3UmPrpX/ArkijF8P5oCBqxj4RlpEBYiirx9mhQT6O4LcrpRKBAmDKjPT/bpUrE= X-Received: by 2002:a62:19cc:0:b029:19e:321b:a22e with SMTP id 195-20020a6219cc0000b029019e321ba22emr1501920pfz.73.1610533827214; Wed, 13 Jan 2021 02:30:27 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Andy Shevchenko Date: Wed, 13 Jan 2021 12:30:10 +0200 Message-ID: Subject: Re: Old platforms: bring out your dead To: Arnd Bergmann Cc: Linux ARM , Linux Kernel Mailing List , Krzysztof Adamski , Oleksij Rempel , Baruch Siach , Russell King - ARM Linux , Daniel Tang , =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= , Jamie Iles , Barry Song , Viresh Kumar , Linus Walleij , Jonas Jensen , Marc Gonzalez , Hartley Sweeten , Lubomir Rintel , Neil Armstrong , Shawn Guo , Alex Elder , Alexander Shiyan , Koen Vandeputte , Hans Ulli Kroll , Vladimir Zapolskiy , Wei Xu , Steven Rostedt , Yoshinori Sato , Mark Salter , Michael Ellerman , Geert Uytterhoeven , Thomas Bogendoerfer Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jan 9, 2021 at 12:58 AM Arnd Bergmann wrote: > > After v5.10 was officially declared an LTS kernel, I have a question here. Maybe I have missed something, but how LTS helps in this case? LTS AFAIR has a rule "upstream first". How can you provide a patch to be backported if there is no upstream for it anymore? > * 80486SX/DX: 80386 CPUs were dropped in 2012, and there are > indications that 486 have no users either on recent kernels. > There is still the Vortex86 family of SoCs, and the oldest of those were > 486SX-class, but all the modern ones are 586-class. > * Alpha 2106x: First generation that lacks some of the later features. > Since all Alphas are ancient by now, it's hard to tell whether these have > any fewer users. We still have Intel Quark available. I run vanilla from time to time on it due to the presence of peripherals I can't find elsewhere on x86 boards. -- With Best Regards, Andy Shevchenko