linux-kernel - Re: [RFC PULL] remove arch/h8300

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Date:   Thu, 7 Apr 2022 09:17:17 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Rob Landley <rob@...dley.net>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>,
        Christoph Hellwig <hch@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "moderated list:H8/300 ARCHITECTURE" 
        <uclinux-h8-devel@...ts.sourceforge.jp>,
        "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@...ux-xtensa.org>, Max Filippov <jcmvbkbc@...il.com>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Damien Le Moal <damien.lemoal@....com>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Rich Felker <dalias@...c.org>
Subject: Re: [RFC PULL] remove arch/h8300

On Wed, Apr 6, 2022 at 11:25 PM Rob Landley <rob@...dley.net> wrote:

> I'm interested in H8300 because it's a tiny architecture (under 6k lines total,
> in 93 files) and thus a good way to see what a minimal Linux port looks like. If
> somebody would like to suggest a different one for that...

Anything that is maintained is usually a better example, and it helps when the
code is not old enough to have accumulated a lot of historic baggage.

The arch/riscv/ code is generally a good example base for others to copy.
It's not nearly as small, but that is mostly because it implements optional
features that could be left out. csky is a smaller example that is also
fairly clean and new, but less featureful.

         Arnd