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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Rob Landley <rob@landley.net>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Gerhard Pircher <gerhard_pircher@gmx.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Sparc kernel list <sparclinux@vger.kernel.org>,
	Linux-sh list <linux-sh@vger.kernel.org>
Subject: Re: Old platforms: bring out your dead
Date: Wed, 13 Jan 2021 09:21:10 +0100	[thread overview]
Message-ID: <CAMuHMdUNe1A0RpkYdyRy9OJ+RDfUe_3KcAVnsCK+pP0jzJwtVA@mail.gmail.com> (raw)
In-Reply-To: <b8eb1c83-d2f8-1c72-ca67-4160b90b3845@landley.net>

Hi Rob,

On Wed, Jan 13, 2021 at 8:58 AM Rob Landley <rob@landley.net> wrote:
> On 1/12/21 4:46 PM, Linus Walleij wrote:
> > On Tue, Jan 12, 2021 at 3:45 PM John Paul Adrian Glaubitz
> > <glaubitz@physik.fu-berlin.de> wrote:
> >> Yeah, I have the same impression that's the strong commercial interest pushes
> >> hobbyist use of the Linux kernel a bit down. A lot of these changes feel like
> >> they're motivated by corporate decisions.
> >>
> >> There has to be a healthy balance between hobbyist and commercial use. I understand
> >> that from a commercial point of view, it doesn't make much sense to run Linux
> >> on a 30-year-old computer. But it's a hobbyist project for many people and hacking
> >> Linux stuff for these old machines has a very entertaining and educational factor.
> >
> > This is actually one of the most interesting things written in this discussion.
> >
> > I have both revamped and deleted subarchitectures in the ARM tree. We
> > never deleted anyone's pet project *unless* they were clearly unwilling to
> > work on it (such as simply testning new patches) and agreed that it will
> > not go on.
>
> Another fun aspect of old hardware is it serves as prior art for patents. The
> j-core hardware implementation schedule has in part been driven by specific
> patents expiring, as in "we can't do $FEATURE until $DATE".

Indeed, so that's why the release of j4 is postponed to 2016...
/me runs date (again).

> When I did an sh4 porting contract in 2018 I got that board updated to a
> current-ish kernel (3 versions back from then-current it hit some intermittent
> nor flash filesystem corruption that only occurred intermittently under
> sustained load; had to ship so I backed off one version and never tracked it
> down). But these days I'm not always on the same continent as my two actual sh4
> hardware boards, have never gotten my physical sh2 board to boot, and $DAYJOB is
> all j-core stuff not sh4.

Which is not upstream, investing in the future?

> Testing that a basic superh system still builds and boots under qemu and j-core
> I can commit to doing regularly. Testing specific hardware devices on boards I
> don't regularly use is a lot harder.

I have the sh7751-based landisk in my board farm, so it's receiving
regular boot testing.  That's one of the simpler SH-based platforms,
though.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  reply	other threads:[~2021-01-13  8:22 UTC|newest]

Thread overview: 122+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-08 22:55 Old platforms: bring out your dead Arnd Bergmann
2021-01-08 23:32 ` Steven Rostedt
2021-01-09 22:04   ` Arnd Bergmann
2021-01-08 23:44 ` Thomas Bogendoerfer
2021-01-09  0:16 ` Linus Walleij
2021-01-09 17:32   ` Florian Fainelli
2021-01-09 21:59   ` Arnd Bergmann
2021-01-09  5:56 ` Willy Tarreau
2021-01-09 21:52   ` Arnd Bergmann
2021-01-10  6:21     ` Willy Tarreau
2021-01-10 10:44       ` Russell King - ARM Linux admin
2021-01-11  9:50     ` David Laight
2021-01-13 10:27       ` Andy Shevchenko
2021-01-13 12:02         ` Linus Walleij
2021-01-13 12:17           ` Andy Shevchenko
2021-01-13 12:21             ` Andy Shevchenko
2021-01-15  0:03               ` Bernd Petrovitsch
2021-01-15  0:24                 ` William Breathitt Gray
2021-01-15  8:59                   ` David Laight
2021-01-13 12:30           ` William Breathitt Gray
2021-01-13 12:56             ` William Breathitt Gray
2021-01-13 13:44           ` Arnd Bergmann
2021-02-04 21:01         ` Pavel Machek
2021-02-05  9:13           ` David Laight
2021-02-05  9:29             ` Pavel Machek
2021-01-09 17:34 ` Florian Fainelli
2021-01-09 21:18   ` Arnd Bergmann
2021-01-09 17:43 ` Russell King - ARM Linux admin
2021-01-09 21:34   ` Arnd Bergmann
2021-01-11 20:09     ` Russell King - ARM Linux admin
2021-01-09 20:19 ` Baruch Siach
2021-01-09 21:19   ` Arnd Bergmann
     [not found] ` <67171E13-6786-4B44-A8C2-3302963B055F@gmail.com>
2021-01-09 22:20   ` Arnd Bergmann
2021-01-10 18:12     ` Fabian Vogt
2021-01-10 19:20       ` Arnd Bergmann
2021-01-10 21:33       ` Linus Walleij
2021-01-11  0:33         ` Russell King - ARM Linux admin
2021-01-11 12:32           ` Arnd Bergmann
2021-01-11 12:36             ` Russell King - ARM Linux admin
2021-01-09 23:12 ` Andrew Lunn
2021-01-10  8:45   ` Arnd Bergmann
2021-01-10 16:46     ` Andrew Lunn
2021-01-10 17:27       ` Arnd Bergmann
2021-01-10 19:51         ` Andrew Lunn
2021-01-10 15:51 ` Neil Armstrong
2021-01-10 15:56   ` Arnd Bergmann
2021-01-10 17:35 ` John Paul Adrian Glaubitz
2021-01-10 21:46   ` Sam Ravnborg
2021-01-11  8:05     ` John Paul Adrian Glaubitz
2021-01-11 14:55       ` chase rayfield
2021-01-12  0:26         ` Rob Landley
2021-01-12  0:50           ` chase rayfield
2021-01-12 14:37         ` John Paul Adrian Glaubitz
2021-01-11 18:09     ` Rob Landley
2021-01-11 15:04   ` Gerhard Pircher
2021-01-12 14:44     ` John Paul Adrian Glaubitz
2021-01-12 22:46       ` Linus Walleij
2021-01-13  8:09         ` Rob Landley
2021-01-13  8:21           ` Geert Uytterhoeven [this message]
2021-01-13 13:25             ` Rob Landley
2021-01-13 12:02           ` Andy Shevchenko
2021-01-13  8:15         ` Geert Uytterhoeven
2021-01-13 10:39         ` Arnd Bergmann
2021-01-14  3:54           ` New platforms: bring out your dead, was " Finn Thain
2021-01-14  9:41         ` John Paul Adrian Glaubitz
2021-01-14  9:48           ` Geert Uytterhoeven
2021-01-14 21:21           ` Arnd Bergmann
2021-01-14 22:54             ` Undesirable code, was Re: Old platforms etc Finn Thain
2021-01-14 23:09             ` Old platforms: bring out your dead Max Filippov
2021-01-15  8:31               ` Arnd Bergmann
2021-01-13  0:12       ` Old platforms never die, was " Finn Thain
2021-01-16  6:54         ` Rob Landley
2021-01-16 23:22           ` Finn Thain
2021-01-13 11:47       ` Andy Shevchenko
2021-01-11  1:39 ` Daniel Palmer
2021-01-11  9:15   ` John Paul Adrian Glaubitz
2021-01-11  9:20     ` Geert Uytterhoeven
2021-01-11  9:26       ` John Paul Adrian Glaubitz
2021-01-11  9:36         ` Geert Uytterhoeven
2021-01-11  9:50           ` Greg Ungerer
2021-01-11  9:42     ` Daniel Palmer
2021-01-11 10:13   ` Arnd Bergmann
2021-01-11  8:19 ` Geert Uytterhoeven
2021-01-11  8:59   ` Arnd Bergmann
2021-01-11  9:16     ` Geert Uytterhoeven
2021-01-11 10:28       ` Geert Uytterhoeven
2021-01-11 10:37         ` Arnd Bergmann
2021-01-11  9:40     ` Thomas Bogendoerfer
2021-01-11 10:34       ` Arnd Bergmann
2021-01-11  8:40 ` efm32 is dead [Was: Old platforms: bring out your dead] Uwe Kleine-König
2021-01-11 11:10 ` Old platforms: bring out your dead Viresh Kumar
2021-01-11 19:59   ` Arnd Bergmann
2021-01-11 21:15     ` Mattias Wallin
2021-01-11 21:47       ` Arnd Bergmann
2021-01-11 13:13 ` Marc Gonzalez
2021-01-11 17:29   ` Måns Rullgård
2021-01-11 21:50     ` Arnd Bergmann
2021-01-12  8:23       ` Marc Gonzalez
2021-01-11 14:22 ` Mark Salter
2021-01-11 15:00   ` Arnd Bergmann
2021-01-11 14:44 ` Alexander Shiyan
2021-01-11 14:58   ` Arnd Bergmann
2021-01-11 16:23 ` Sylvain Lemieux
2021-01-11 22:17   ` Alexandre Belloni
2021-01-11 19:58 ` Thomas Petazzoni
2021-01-11 20:10   ` Arnd Bergmann
2021-01-11 20:25 ` Song Bao Hua (Barry Song)
2021-01-12  8:41   ` Marc Gonzalez
2021-01-13 10:30 ` Andy Shevchenko
2021-01-13 11:02   ` Arnd Bergmann
2021-01-13 16:14 ` [v2] " Arnd Bergmann
2021-01-13 19:00   ` Krzysztof Hałasa
2021-01-14  8:51     ` Arnd Bergmann
2021-01-15  7:08   ` Wei Xu
2021-01-15  9:26     ` Arnd Bergmann
2021-01-15 11:09       ` Leizhen (ThunderTown)
2021-01-15 12:04         ` Arnd Bergmann
2021-01-18 10:46           ` Wei Xu
2021-01-13 22:27 ` Richard Z
2021-02-05 13:37 ` Alexander Lobakin
2021-10-23 17:44 ` Maciej W. Rozycki
2021-01-12  2:05 tedheadster

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