linux-kernel - Re: [PATCH 10/14] alpha: remove DECpc AXP150 (Jensen) support

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Message-ID: <CAHk-=whUDyvBNVna_vbYGfN0SUjt1jN6hUgRjoLFq_XTV_0gMQ@mail.gmail.com>
Date: Fri, 3 May 2024 09:07:48 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: linux-alpha@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, 
	Richard Henderson <richard.henderson@...aro.org>, Ivan Kokshaysky <ink@...assic.park.msu.ru>, 
	Matt Turner <mattst88@...il.com>, Alexander Viro <viro@...iv.linux.org.uk>, 
	Marc Zyngier <maz@...nel.org>, "Paul E. McKenney" <paulmck@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/14] alpha: remove DECpc AXP150 (Jensen) support

On Fri, 3 May 2024 at 01:12, Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> This is one of the hackiest Alpha machines, and the only one without
> PCI support. Removing this allows cleaning up code in eise and tty
> drivers in addition to the architecture code.

Oh well, The axp150 was the machine I used originally, so it's a bit
sad to see it go.

But yeah, good riddance. The lack of byte and word operations were a
fundamental mistake and made those early alphas very painful.

The design team obviously made other technical mistakes (sw fill tlb
etc, with memory ordering being the one that never got fixed), but the
byte were the killer for any sanity both on the IO side and the code
generation side.

                  Linus