linux-kernel - Re: [GIT PULL] sh: remove sh5 support

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Date:   Thu, 28 May 2020 04:40:28 -0500
From:   Rob Landley <rob@...dley.net>
To:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Christoph Hellwig <hch@...radead.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     linux-sh@...r.kernel.org, ysato@...rs.sourceforge.jp,
        dalias@...c.org, linux-kernel@...r.kernel.org,
        viro@...iv.linux.org.uk, Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [GIT PULL] sh: remove sh5 support

On 5/28/20 12:55 AM, John Paul Adrian Glaubitz wrote:
> On 5/28/20 7:46 AM, Christoph Hellwig wrote:
>> [adding Linus]
>>
>> On Thu, May 07, 2020 at 07:35:52AM -0700, Christoph Hellwig wrote:
>>> Any progress on this?  I plan to resend the sh dma-mapping I've been
>>> trying to get upstream for a year again, and they would conflict,
>>> so I could look into rebasing them first.
>>
>> So for years now it has been close to and in the end impossible to
>> provoke sh maintainer action.  At the same point hardware is pretty much
>> long gone for the real commercial variants, and never took off for the
>> open hardware nommu variant.
>>
>> Linus, would you ok with a 5.8 pull request to just kill off arch/sh/?
> 
> We're maintaining SH in Debian so I'm interested in keeping arch/sh, but
> I'm also let down that SH maintainers aren't that active at the moment.
> 
> I do know that Yoshinori Sato has a tree where he takes patches and sends
> PRs from time to time, but I have no idea what is going on.

There are still people who care about the architecture and try to get fixes in:

  https://www.spinics.net/lists/linux-sh/msg56844.html

Alas, I haven't had better luck getting Rich's attention, and I say that as
someone who has his phone number.

It met Sato-san for lunch once years ago, but he lives in Tokyo and english is
not his first language. I was under the impression he became co-maintainer to
show Rich the ropes of maintainership and to answer obscure architectural
questions, not because he was volunteering for significantly more work. Rich was
supposed to be load bearing.

I don't really have the domain expertise to do it myself... :(

Rob