Re: nommu_map_sg: overflow with ata_piix?

> nommu_map_sg: overflow 11b8a9000+4096 of device mask ffffffff

Never mind, I'm (sort of) an idiot.  The kernel that complained like
that had CONFIG_GART_IOMMU=n -- I foolishly thought, "I have a Xeon,
which can't do GART IOMMU, so I don't need that option."  I didn't
realize that it also enables swiotlb.  Once I read the help text I was
OK.

 - R.
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