linux-kernel - Re: [PATCH v3] x86, kconfig: Default to ARCH=x86 to avoid overriding CONFIG

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Message-ID: <4E3483DA.8080305@zytor.com>
Date:	Sat, 30 Jul 2011 15:21:14 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	David Woodhouse <dwmw2@...radead.org>
CC:	Arnaud Lacombe <lacombar@...il.com>, Michal Marek <mmarek@...e.cz>,
	"Ted Ts'o" <tytso@....edu>, Ingo Molnar <mingo@...e.hu>,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kernel.org
Subject: Re: [PATCH v3] x86, kconfig: Default to ARCH=x86 to avoid overriding
 CONFIG_64BIT

On 07/30/2011 03:17 PM, David Woodhouse wrote:
> On Sat, 2011-07-30 at 15:03 -0700, H. Peter Anvin wrote:
>> It isn't meaningless for exactly that reason.  For example,
>> "make ARCH=x86 USERARCH=i386" and "make ARCH=x86 USERARCH=x86_64" both
>> make sense.  Similarly, "make ARCH=um USERARCH=i386" is different from
>> "make ARCH=um USERARCH=x86_64". 
> 
> In that case it's redundant with CONFIG_64BIT, isn't it?

Yes, but some architectures have more than one ABI for a particular bitness.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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