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Re: [Xen-devel] [PATCH] AMD IOMMU: Hanlde sibling device assignment corr

To: Wei Wang2 <wei.wang2@xxxxxxx>
Subject: Re: [Xen-devel] [PATCH] AMD IOMMU: Hanlde sibling device assignment correctly
From: Muli Ben-Yehuda <muli@xxxxxxxxxx>
Date: Wed, 7 May 2008 12:53:10 +0300
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, keir.fraser@xxxxxxxxxxxxx
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On Wed, May 07, 2008 at 11:27:01AM +0200, Wei Wang2 wrote:

> Devices on AMD IOMMU system share a same set of IO page tables if
> they are indexed by a same device ID in device table.

Hi Wei,

Could you please explain in which cases two devices would end up
sharing the same device ID? Am I correct in the assumption that this
can only happen for devices on the HT fabric, rather than for
PCI/PCI-e devices?

Thanks,
Muli

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