linux-kernel - Re: [PATCH -mm 18/43] powerpc compat_binfmt

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Date:	Fri, 21 Dec 2007 12:51:06 -0500
From:	Kyle McMartin <kyle@...artin.ca>
To:	Roland McGrath <roland@...hat.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	linuxppc-dev@...abs.org, Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH -mm 18/43] powerpc compat_binfmt_elf

On Fri, Dec 21, 2007 at 12:56:09AM -0800, Roland McGrath wrote:
> > On Thu, Dec 20, 2007 at 03:58:16AM -0800, Roland McGrath wrote:
> > > +obj-$(CONFIG_PPC64)		+= ../../../fs/compat_binfmt_elf.o
> > 
> > Building files from another directory is nasty.  Please add a
> > CONFIG_BINFMT_COMPAT_ELF so we can simply build it in fs/
> 
> If that's better, please post the precise Kconfig magic you have in mind to
> have it set when it should be.
> 

Just taking a stab that hch means,

config BINFMT_COMPAT_ELF
	def_bool n
	depends on 64BIT

and then in arch/powerpc/Kconfig

config COMPAT
	bool
	default y if PPC64
	select BINFMT_COMPAT_ELF

or somesuch.

Regards, Kyle
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