virtio_balloon: disable VIOMMU support
virtio balloon bypasses the DMA API entirely so does not support the VIOMMU right now. It's not clear we need that support, for now let's just make sure we don't pretend to support it. Cc: stable@vger.kernel.org Cc: Wei Wang <wei.w.wang@intel.com> Fixes: 1a937693 ("virtio: new feature to detect IOMMU device quirk") Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Acked-by: NJason Wang <jasowang@redhat.com>
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