From 12d37882f0c0def5dee1c21be5d8fea9c21baada Mon Sep 17 00:00:00 2001
From: Jason Wang <jasowang@redhat.com>
Date: Fri, 30 Dec 2016 18:09:18 +0800
Subject: [PATCH] memory: handle alias in memory_region_is_iommu()
Cc: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@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 358edfbbc7..bec9756667 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;
}
--
2.30.2