linux-kernel - Re: [PATCH] x86: x86_{phys,virt}

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Date:	Fri, 19 Sep 2008 16:32:55 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Jan Beulich <jbeulich@...ell.com>, Ingo Molnar <mingo@...e.hu>,
	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] x86: x86_{phys,virt}_bits field also for i386 (v3)

Jeremy Fitzhardinge wrote:
> 
> CONFIG_RESOURCES_64BIT was removed, so testing for it makes no sense. 
> (Not being able to distinguish between non-existent and unset config
> variables is an outstanding Kconfig problem.)
> 

IMO we should change it to use #if instead of #ifdef.  The transition 
problem has been discussed elsewhere.

	-hpa

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