intel-iommu: pass in address space when page walk
We pass in the VTDAddressSpace too. It'll be used in the follow up patches. CC: QEMU Stable <qemu-stable@nongnu.org> Signed-off-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
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