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-rw-r--r--system/memory.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/system/memory.c b/system/memory.c
index cf8cad6961..fe8b28a096 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -3278,7 +3278,14 @@ static void do_address_space_destroy(AddressSpace *as)
     memory_region_unref(as->root);
 }
 
-void address_space_destroy(AddressSpace *as)
+static void do_address_space_destroy_free(AddressSpace *as)
+{
+    do_address_space_destroy(as);
+    g_free(as);
+}
+
+/* Detach address space from global view, notify all listeners */
+static void address_space_detach(AddressSpace *as)
 {
     MemoryRegion *root = as->root;
 
@@ -3293,9 +3300,20 @@ void address_space_destroy(AddressSpace *as)
      * values to expire before freeing the data.
      */
     as->root = root;
+}
+
+void address_space_destroy(AddressSpace *as)
+{
+    address_space_detach(as);
     call_rcu(as, do_address_space_destroy, rcu);
 }
 
+void address_space_destroy_free(AddressSpace *as)
+{
+    address_space_detach(as);
+    call_rcu(as, do_address_space_destroy_free, rcu);
+}
+
 static const char *memory_region_type(MemoryRegion *mr)
 {
     if (mr->alias) {