linux-kernel - Re: aperture_64: use symbolic constants

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Message-ID: <8763t8h2l2.fsf@basil.nowhere.org>
Date:	Wed, 21 May 2008 03:23:53 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Dave Jones <davej@...hat.com>
Cc:	Pavel Machek <pavel@...e.cz>, Ingo Molnar <mingo@...e.hu>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: aperture_64: use symbolic constants

Dave Jones <davej@...hat.com> writes:
>
> If you enable IOMMU, you _have_ to enable AGP.  (well, you don't have to,
> it does a 'select AGP' for you when you enable it :-)

That's actually not needed. The IOMMU code was carefully
written to not require AGP. The only requirement it has is that
if AGP is enabled it has to be built in.

-Andi
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