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From: Andi Kleen <ak@suse.de>
Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)
To: Yinghai.Lu@sun.com
Subject: Re: [PATCH] x86-64: disable the GART before allocate aperture
Date: Sat, 23 Jun 2007 02:38:20 +0200
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Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
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> current I only test kexec only. So clean shut GART in first kernel will help.
> 
> where is hook for shutdown? add one in dma_ops?

The low level code could just register its own shutdown handler.
No need to go through dma_ops I think.

-Andi