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[RFC,v2,03/17] memory: handle alias in memory_region_is_iommu()

Message ID 1483428594-28880-4-git-send-email-peterx@redhat.com
State New
Headers show

Commit Message

Peter Xu Jan. 3, 2017, 7:29 a.m. UTC 
From: Jason Wang <jasowang@redhat.com>

Cc: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 include/exec/memory.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 64560f6..958f4b2 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;
 }