linux-kernel - Re: architectures with ARCH_SUPPORTS_AOUT but no binfmt

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Message-ID: <20080617122346.GA10598@uranus.ravnborg.org>
Date:	Tue, 17 Jun 2008 14:23:46 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Adrian Bunk <bunk@...nel.org>, Peter Korsgaard <jacmet@...site.dk>,
	linux-kernel@...r.kernel.org, dhowells@...hat.com,
	andi@...stfloor.org, "Kirill A. Shutemov" <k.shutemov@...il.com>,
	ysato@...rs.sourceforge.jp, takata@...ux-m32r.org,
	linux-m32r@...linux-m32r.org, kyle@...artin.ca, matthew@....cx,
	grundler@...isc-linux.org, linux-parisc@...r.kernel.org,
	lethal@...ux-sh.org, linux-sh@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: Re: architectures with ARCH_SUPPORTS_AOUT but no binfmt_aout

On Tue, Jun 17, 2008 at 12:28:33PM +0100, David Woodhouse wrote:
> On Tue, 2008-06-17 at 13:11 +0300, Adrian Bunk wrote:
> > The pattern for this stuff is to provide a HAVE_AOUT kconfig variable 
> > that gets select'ed by these architectures.
> 
> http://git.infradead.org/users/dwmw2/aout-2.6.git?a=commitdiff;h=a5db5179
> 
> Subject: [PATCH] Introduce HAVE_AOUT symbol to remove hard-coded arch list for BINFMT_AOUT
> 
> HAVE_AOUT doesn't quite do the same thing as the recently removed
> ARCH_SUPPORTS_AOUT config option. That was set even on platforms where
> binfmt_aout isn't supported, although it's not entirely clear why.
> 
> So it's best just to introduce a new symbol, handled consistently with
> other similar HAVE_xxx symbols; with a simple 'select' the arch Kconfig.

Looks good.
One minor issue...


> @@ -7,6 +7,7 @@ config ALPHA
>  	default y
>  	select HAVE_IDE
>  	select HAVE_OPROFILE
> +	select HAVE_AOUT
Sorting these alphabetically will result in less merge conflicts when the list grows.

	Sam
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