linux-kernel - Re: [PATCH 1/3] make access_process

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Message-ID: <20080429190132.GA25793@uranus.ravnborg.org>
Date:	Tue, 29 Apr 2008 21:01:32 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Rik van Riel <riel@...hat.com>, linux-kernel@...r.kernel.org,
	ajackson@...hat.com, airlied@...hat.com, benh@...nel.crashing.org
Subject: Re: [PATCH 1/3] make access_process_vm work on device memory

> urgh.
> 
> We have HAVE_ARCH*
> We have __HAVE_ARCH*
> We have ARCH_HAS*
> We have __ARCH_HAS*
> 
> what a mess.
> 
> Probably the preferred (but still ugly) approach is to implement
> CONFIG_ARCH_*.
Only if it is a Kconfig symbol.

We have recently started to use 'HAVE_*' for boolean symbols used
to select a specific function for one architecture.
See arch/Kconfig for a few samples.

And Documentation/kbuild/kconfig-language.txt for usage hints.

	Sam
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