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Date: Fri, 21 Dec 2018 12:04:49 -0500
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Subject: Re: [Qemu-devel] [PATCH v3 1/2] intel-iommu: differentiate host
 address width from IOVA address width.
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To: Yu Zhang <yu.c.zhang@linux.intel.com>
Cc: Igor Mammedov <imammedo@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, qemu-devel@nongnu.org, Peter Xu <peterx@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <rth@twiddle.net>

On Sat, Dec 22, 2018 at 12:09:44AM +0800, Yu Zhang wrote:
> Well, my understanding of the vt-d spec is that the address limitation in
> DMAR are referring to the same concept of CPUID.MAXPHYSADDR. I do not think
> there's any different in the native scenario. :)

I think native machines exist on which the two values are different.
Is that true?