-/* are we a protected virtualization guest? */
-bool sev_active(void)
-{
-	return is_prot_virt_guest();
-}
-
 bool force_dma_unencrypted(struct device *dev)
 {
-	return sev_active();
+	return is_prot_virt_guest();
 }

Do we want to keep the comment for force_dma_unencrypted?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>