[PATCH-for-9.0 4/9] hw/xen/hvm: Expose xen_memory_listener declaration

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

There can only be a single xen_memory_listener definition
in a qemu-system binary.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/xen/xen-hvm-common.h | 1 +
 hw/arm/xen_arm.c                | 2 +-
 hw/i386/xen/xen-hvm.c           | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/hw/xen/xen-hvm-common.h b/include/hw/xen/xen-hvm-common.h
index 83ed16f425..0fed15ed04 100644
--- a/include/hw/xen/xen-hvm-common.h
+++ b/include/hw/xen/xen-hvm-common.h
@@ -18,6 +18,7 @@
 extern MemoryRegion xen_memory;
 extern MemoryListener xen_io_listener;
 extern DeviceListener xen_device_listener;
+extern const MemoryListener xen_memory_listener;
 
 //#define DEBUG_XEN_HVM
 
diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c
index b478d74ea0..39dcd74d07 100644
--- a/hw/arm/xen_arm.c
+++ b/hw/arm/xen_arm.c
@@ -38,7 +38,7 @@
 #define TYPE_XEN_ARM  MACHINE_TYPE_NAME("xenpvh")
 OBJECT_DECLARE_SIMPLE_TYPE(XenArmState, XEN_ARM)
 
-static const MemoryListener xen_memory_listener = {
+const MemoryListener xen_memory_listener = {
     .region_add = xen_region_add,
     .region_del = xen_region_del,
     .log_start = NULL,
diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c
index b64204ea94..a65a96f0de 100644
--- a/hw/i386/xen/xen-hvm.c
+++ b/hw/i386/xen/xen-hvm.c
@@ -469,7 +469,7 @@ static void xen_log_global_stop(MemoryListener *listener)
     xen_in_migration = false;
 }
 
-static const MemoryListener xen_memory_listener = {
+const MemoryListener xen_memory_listener = {
     .name = "xen-memory",
     .region_add = xen_region_add,
     .region_del = xen_region_del,
-- 
2.41.0