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Re: [Xen-devel] [PATCH] AMD/guest_iommu: Disable guest iommu support



>>> On 06.10.14 at 08:46, <Suravee.Suthikulpanit@xxxxxxx> wrote:
> The function guest_iommu_set_base() was added by Wei before my time. I 
> checked the log and didn't see the evidence that this code has ever been 
> used. Do you remember why he added this code to begin with, and how this 
> was planned to be used?

The plan here clearly was to allow guests to see a virtual IOMMU,
and the setting of the respective base address would then be
a requirement for tool stack and/or virtual firmware to set up the
environment for the guest.

Jan


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