From mboxrd@z Thu Jan  1 00:00:00 1970
From: James Hogan <jhogan@kernel.org>
Subject: Re: [GIT PULL] arch: remove obsolete architecture ports
Date: Wed, 4 Apr 2018 14:28:16 +0100
Message-ID: <20180404132815.GC25517@saruman>
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To: Arnd Bergmann <arnd@arndb.de>
Cc: Pavel Machek <pavel@ucw.cz>, Geert Uytterhoeven <geert@linux-m68k.org>, Linus Torvalds <torvalds@linux-foundation.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-arch <linux-arch@vger.kernel.org>, David Howells <dhowells@redhat.com>, "moderated list:PANASONIC MN10300..." <linux-am33-list@redhat.com>, Hirokazu Takata <takata@linux-m32r.org>, Lennox Wu <lennox.wu@gmail.com>, Aaron Wu <Aaron.Wu@analog.com>, Bryan Wu <cooloney@gmail.com>, Chris Metcalf <chris.d.metcalf@gmail.com>, Jesper Nilsson <jesper.nilsson@axis.com>
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On Wed, Apr 04, 2018 at 10:38:41AM +0200, Arnd Bergmann wrote:
> Also, now that the other architectures are gone, a lot of changes can
> be done more easily that will be incompatible with a pure revert, so
> the more time passes, the harder it will get to do that.

Yes, and an out-of-tree arch port (as effectively these arches now are)
requires constant maintenance (often subtle runtime breakage) to keep up
to date with each new kernel release, which happens mostly automatically
=66rom arch maintainer POV while they're merged.

Even without changes intentionally taking advantage of not having to
care about these arches, it'll be only a few cycles at the most before a
plain revert won't "just work".

Cheers
James

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