linux-kernel - Re: [PATCH] x86[-64] PCI domain support

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Message-ID: <20060928093332.GG22787@rhun.haifa.ibm.com>
Date:	Thu, 28 Sep 2006 12:33:32 +0300
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Andrew Morton <akpm@...l.org>, Greg KH <greg@...ah.com>,
	Jim Paradis <jparadis@...hat.com>, Andi Kleen <ak@...e.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86[-64] PCI domain support

On Tue, Sep 26, 2006 at 03:15:08PM -0400, Jeff Garzik wrote:
> 
> The x86[-64] PCI domain effort needs to be restarted, because we've got
> machines out in the field that need this in order for some devices to
> work.
> 
This breaks the Calgary IOMMU, since it uses sysdata for other
purposes (going back from a bus to its IO address space). I'm looking
into it.

Cheers,
Muli

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