linux-kernel - Re: [PATCH] x86-64: disable the GART before allocate aperture

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Message-Id: <200706230238.20929.ak@suse.de>
Date:	Sat, 23 Jun 2007 02:38:20 +0200
From:	Andi Kleen <ak@...e.de>
To:	Yinghai.Lu@....com
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Muli Ben-Yehuda <muli@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Vivek Goyal <vgoyal@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86-64: disable the GART before allocate aperture


> 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
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