Re: [PATCH] intel-iommu: Work around yet another BIOS bug

From: David Woodhouse
Date: Thu Aug 20 2009 - 15:34:14 EST


On Thu, 2009-08-20 at 12:29 -0700, Ray Lee wrote:
> Think about changing this to a warning that "Your IOMMU appears to be
> disabled." All ones is, after all, the traditional hint that the
> device is turned off.

Hints are all very well, but the BIOS provided an ACPI table explicitly
telling us that there was an active IOMMU at this location.

--
David Woodhouse Open Source Technology Centre
David.Woodhouse@xxxxxxxxx Intel Corporation

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