linux-kernel - Re: [PATCH] ARM: multiplatform: remove reference to ARCH_MULTI

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Date:	Mon, 10 Feb 2014 02:20:15 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Richard Weinberger <richard@....at>
Subject: Re: [PATCH] ARM: multiplatform: remove reference to ARCH_MULTI_V4

On Sun, 2013-07-14 at 10:34 +0200, Arnd Bergmann wrote:
> On Saturday 13 July 2013, Paul Bolle wrote:
> > The Kconfig symbol ARCH_MULTI_V4 was removed in commit 24e860fbfd
> > ("ARM: multiplatform: always pick one CPU type"). Remove the last
> > reference to it too.
> > 
> > Signed-off-by: Paul Bolle <pebolle@...cali.nl>
> > ---
> > 0) Untested.
> > 
> > 1) Commit 24e860fbfd is silent on the reason to drop ARCH_MULTI_V4. And
> > the ARM section of the Kconfig files is rather complicated for people,
> > like me, that aren't familiar with the way the ARM universe is divided
> > in architectures, machines, platforms, etc. That makes it hard to say
> > whether ARCH_MULTI_V4 was dropped on purpose or by accident.
> 
> It was dropped on purpose because it is unused in 3.11 but it will
> be used again in 3.12, so I wouldn't bother with your patch.
> 
> Thanks anyway for looking into unused symbols, I think checking for
> unused code like this is very useful in general.

We're now at v3.14-rc1 and ARCH_MULTI_V4 is still unused. Are there still plans to
use it again?


Paul Bolle

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