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From: Andrew Morton <akpm@linux-foundation.org>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: riel@redhat.com, linux-kernel@vger.kernel.org,
	ajackson@redhat.com, airlied@redhat.com,
	benh@kernel.crashing.org
Subject: Re: [PATCH 1/3] make access_process_vm work on device memory
Date: Tue, 29 Apr 2008 12:13:22 -0700	[thread overview]
Message-ID: <20080429121322.6da6b176.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080429190132.GA25793@uranus.ravnborg.org>

On Tue, 29 Apr 2008 21:01:32 +0200
Sam Ravnborg <sam@ravnborg.org> wrote:

> > 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.
> 

I think what you're telling us is to use CONFIG_HAVE_IOREMAP_PROT?

  reply	other threads:[~2008-04-29 19:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-29 15:32 Rik van Riel
2008-04-29 18:09 ` Andrew Morton
2008-04-29 18:32   ` Rik van Riel
2008-04-29 19:01   ` Sam Ravnborg
2008-04-29 19:13     ` Andrew Morton [this message]
2008-04-29 19:19       ` Sam Ravnborg

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