virtio: Use shared mappings for virtio PCI devices

In a TDX guest the pci device mappings of virtio must be shared
with the host, so use explicit shared mappings.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

drivers/virtio/virtio_pci_modern_dev.c

@@ -83,7 +83,7 @@ vp_modern_map_capability(struct virtio_pci_modern_device *mdev, int off,
 		return NULL;
 	}
 
-	p = pci_iomap_range(dev, bar, offset, length);
+	p = pci_iomap_host_shared_range(dev, bar, offset, length);
 	if (!p)
 		dev_err(&dev->dev,
 			"virtio_pci: unable to map virtio %u@%u on bar %i\n",