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-rw-r--r--hw/i386/intel_iommu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index f046f85913..dcc334060c 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -3791,7 +3791,7 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n)
                              n->start, size);
 
     map.iova = n->start;
-    map.size = size;
+    map.size = size - 1; /* Inclusive */
     iova_tree_remove(as->iova_tree, map);
 }