memory: allow MemoryListeners to observe a specific address space

Ignore any regions not belonging to a specified address space.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/exec.c b/exec.c
index 7fb5d4e..aa54eb1 100644
--- a/exec.c
+++ b/exec.c
@@ -3571,7 +3571,7 @@ static void memory_map_init(void)
     memory_region_init(system_io, "io", 65536);
     set_system_io_map(system_io);
 
-    memory_listener_register(&core_memory_listener);
+    memory_listener_register(&core_memory_listener, NULL);
 }
 
 MemoryRegion *get_system_memory(void)