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[Xen-users] iommu options?

from [David White]

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Subject:	[Xen-users] iommu options?
From:	David White <David.White@xxxxxxxxxxxxxx>
Date:	Wed, 2 Feb 2011 21:56:58 +0000
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Thread-topic:	iommu options?

Can someone enlighten me on the implications of these iommu parameters?

iommu=dom0-passthrough

iommu=dom0-strict

xen/drivers/passthrough/iommu.c notes:

dom0-passthrough No DMA translation at all for Dom0

dom0-strict No 1:1 memory mapping for Dom0

What are the implications of these settings? Will they affect pci passthrough to HVM guests? To PV guests?

This is xen 4.0.1

-dmw

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