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-rw-r--r--include/exec/memory.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 0cd96b152e..06ffa1d185 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -33,6 +33,7 @@
 #include "qemu/notify.h"
 #include "qapi/error.h"
 #include "qom/object.h"
+#include "qemu/rcu.h"
 
 #define MAX_PHYS_ADDR_SPACE_BITS 62
 #define MAX_PHYS_ADDR            (((hwaddr)1 << MAX_PHYS_ADDR_SPACE_BITS) - 1)
@@ -207,9 +208,13 @@ struct MemoryListener {
  */
 struct AddressSpace {
     /* All fields are private. */
+    struct rcu_head rcu;
     char *name;
     MemoryRegion *root;
+
+    /* Accessed via RCU.  */
     struct FlatView *current_map;
+
     int ioeventfd_nb;
     struct MemoryRegionIoeventfd *ioeventfds;
     struct AddressSpaceDispatch *dispatch;