linux-kernel - Re: [PATCH 00/36] AArch64 Linux kernel port

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Message-ID: <20120708111736.GA11121@gallifrey>
Date:	Sun, 8 Jul 2012 12:17:36 +0100
From:	"Dr. David Alan Gilbert" <linux@...blig.org>
To:	Jon Masters <jcm@...hat.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/36] AArch64 Linux kernel port

* Jon Masters (jcm@...hat.com) wrote:
> On 07/07/2012 03:27 PM, Arnd Bergmann wrote:
> > On Saturday 07 July 2012, Olof Johansson wrote:
> > 
> >>> ARM introduced AArch64 as part of the ARMv8 architecture
> >>
> >> With the risk of bikeshedding here, but I find the name awkward. How
> >> about just naming the arch port arm64 instead? It's considerably more
> >> descriptive in the context of the kernel.  For reference, we didn't
> >> name ppc64, nor powerpc, after what the IBM/power.org marketing people
> >> were currently calling the architecture at the time either.
> > 
> > I agree the name sucks, and I'd much prefer to just call it arm64
> > as well. The main advantage of the aarch64 name is that it's the
> > same as the identifier in the elf triplet, and it makes sense to
> > keep the same name for all places where we need to identify the
> > architecture. This also includes the rpm and dpkg architecture names,
> > and the string returned by the uname syscall. If everything else
> > is aarch64, we should use that in the kernel directory too, but
> > if everyone calls it arm64 anyway, we should probably use that name
> > for as many things as possible.
> 
> FWIW I actually really like the aarch64 name (but you know that already
> :) ). I think it clearly spells out that this is not just a 64-bit
> extension to the existing 32-bit ARM Architecture, it is a new (inspired
> by ARM) architecture. Implementations will also run in AArch32 state
> (A32 and T32), but it's not like x86->x86_64.

It's one advantage is that it won't trigger the infinite number
of broken scripts out there that do something on arm*

Dave
-- 
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/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
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