linux-kernel - Re: [PATCH] Introduce CONFIG_VIRT_TO

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Message-Id: <20070523.001624.112047445.davem@davemloft.net>
Date:	Wed, 23 May 2007 00:16:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	viro@....linux.org.uk
Cc:	sfr@...b.auug.org.au, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Introduce CONFIG_VIRT_TO_BUS

From: Al Viro <viro@....linux.org.uk>
Date: Wed, 23 May 2007 08:04:50 +0100

> On Wed, May 23, 2007 at 05:01:55PM +1000, Stephen Rothwell wrote:
> > Make some offending drivers depend on it and set
> > CONFIG_ARCH_NO_VIRT_TO_BUS for ppc64 so that we don't build those drivers.
> 
> Seeing how few targets _do_ have that, I'd invert the that.  I.e. have
> HAS_VIRT_TO_BUS in arch/*/Kconfig for the few architectures that have
> that stuff.

Great idea.
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