linux-kernel - Re: [PATCH 14/14] alpha: drop pre-EV56 support

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Date: Tue, 4 Jun 2024 15:58:08 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Jiri Slaby <jirislaby@...nel.org>
Cc: Arnd Bergmann <arnd@...nel.org>, 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>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 14/14] alpha: drop pre-EV56 support

On Mon, Jun 03, 2024 at 08:02:03AM +0200, Jiri Slaby wrote:
> Cc Greg for awareness too.
> 
> On 03. 05. 24, 10:11, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@...db.de>
> > 
> > All EV4 machines are already gone, and the remaining EV5 based machines
> > all support the slightly more modern EV56 generation as well.
> > Debian only supports EV56 and later.
> > 
> > Drop both of these and build kernels optimized for EV56 and higher
> > when the "generic" options is selected, tuning for an out-of-order
> > EV6 pipeline, same as Debian userspace.
> > 
> > Since this was the only supported architecture without 8-bit and
> > 16-bit stores, common kernel code no longer has to worry about
> > aligning struct members, and existing workarounds from the block
> > and tty layers can be removed.
> 
> Yes!
> 
> For TTY pieces below:
> Reviewed-by: Jiri Slaby <jirislaby@...nel.org>

Nice!

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>