linux-kernel - Re: [PATCH] intel-iommu: Fix alloc_coherent for pass-through devices

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Date:	Fri, 23 Oct 2009 00:49:51 +0900
From:	David Woodhouse <dwmw2@...radead.org>
To:	Alex Williamson <alex.williamson@...com>
Cc:	iommu@...ts.linux-foundation.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Miller, Mike (OS Dev)" <mike.miller@...com>
Subject: Re: [PATCH] intel-iommu: Fix alloc_coherent for pass-through
 devices

On Wed, 2009-10-21 at 21:41 -0600, Alex Williamson wrote:
> This device also doesn't exactly play nice when using VT-d in anything other
> than pass-through mode, so switching it into mapped mode is not really
> an option.

Going back to this, now I'm slightly more awake and spotted it...

Er, why? Can you define "doesn't exactly play nice"?

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation

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