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  • * Re: [PATCH 00/13] Remove metag architecture
       [not found] <20180221233825.10024-1-jhogan@kernel.org>
       [not found] ` <CAK8P3a3CuNn-dSE33mhEZ9-iM7NOE3Y4AiJzpmF6ob5wrMuZpg@mail.gmail.com>
@ 2018-03-07 21:24 ` Arnd Bergmann
  1 sibling, 0 replies; 2+ messages in thread
From: Arnd Bergmann @ 2018-03-07 21:24 UTC (permalink / raw)
  To: James Hogan
  Cc: open list:METAG ARCHITECTURE, Linux Kernel Mailing List,
	Guenter Roeck, Jonathan Corbet, Steven Rostedt, Ingo Molnar,
	Peter Zijlstra, Arnaldo Carvalho de Melo, Alexander Shishkin,
	Jiri Olsa, Namhyung Kim, Thomas Gleixner, Jason Cooper,
	Marc Zyngier, Daniel Lezcano, Greg Kroah-Hartman, Jiri Slaby,
	Linus Walleij, Wim

On Thu, Feb 22, 2018 at 12:38 AM, James Hogan <jhogan@kernel.org> wrote:
> These patches remove the metag architecture and tightly dependent
> drivers from the kernel. With the 4.16 kernel the ancient gcc 4.2.4
> based metag toolchain we have been using is hitting compiler bugs, so
> now seems a good time to drop it altogether.
>
> Quoting from patch 1:
>
> The earliest Meta architecture port of Linux I have a record of was an
> import of a Meta port of Linux v2.4.1 in February 2004, which was worked
> on significantly over the next few years by Graham Whaley, Will Newton,
> Matt Fleming, myself and others.
>
> Eventually the port was merged into mainline in v3.9 in March 2013, not
> long after Imagination Technologies bought MIPS Technologies and shifted
> its CPU focus over to the MIPS architecture.
>
> As a result, though the port was maintained for a while, kept on life
> support for a while longer, and useful for testing a few specific
> drivers for which I don't have ready access to the equivalent MIPS
> hardware, it is now essentially dead with no users.
>
> It is also stuck using an out-of-tree toolchain based on GCC 4.2.4 which
> is no longer maintained, now struggles to build modern kernels due to
> toolchain bugs, and doesn't itself build with a modern GCC. The latest
> buildroot port is still using an old uClibc snapshot which is no longer
> served, and the latest uClibc doesn't build with GCC 4.2.4.
>
> So lets call it a day and drop the Meta architecture port from the
> kernel. RIP Meta.

I've pulled it into my asm-generic tree now, which is also part of linux-next,
and followed up with patches removing frv, m32r, score, unicore32
and blackfin. I have not removed the device drivers yet, but I'm working
on that.

       Arnd

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2018-02-27 13:36       ` [GIT PULL] Remove metag architecture James Hogan
2018-03-07 21:24 ` [PATCH 00/13] " Arnd Bergmann

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