[Qemu-devel] [RFC v5 29/29] vfio: Remove VFIO/SMMUv3 assert

[Eric Auger <eric.auger@redhat.com>]

Now all the bricks are there, let allow VFIO/SMMUv3 use case.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 hw/vfio/common.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 8a2d201058..c849b084bf 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -834,17 +834,9 @@ static void vfio_listener_region_add(MemoryListener *listener,
         IOMMUNotify notify;
         VFIOGuestIOMMU *giommu;
         IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr);
-        bool nested;
         int iommu_idx, flags;
 
         trace_vfio_listener_region_add_iommu(iova, end);
-
-        if (!memory_region_iommu_get_attr(iommu_mr, IOMMU_ATTR_VFIO_NESTED,
-                                          (void *)&nested) && nested) {
-            error_report("VFIO/vIOMMU integration based on HW nested paging "
-                         "is not yet supported");
-            abort();
-        }
         /*
          * FIXME: For VFIO iommu types which have KVM acceleration to
          * avoid bouncing all map/unmaps through qemu this way, this
-- 
2.20.1