[Qemu-devel] [PATCH V2 10/11] memory: handle alias in memory_region_is_iommu()

[Jason Wang <jasowang@redhat.com>]

Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 include/exec/memory.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index e605de3..ab37499 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -628,6 +628,9 @@ static inline bool memory_region_is_romd(MemoryRegion *mr)
  */
 static inline bool memory_region_is_iommu(MemoryRegion *mr)
 {
+    if (mr->alias) {
+        return memory_region_is_iommu(mr->alias);
+    }
     return mr->iommu_ops;
 }
 
-- 
2.7.4