[PATCH 2/3] exec/memory: Add symbol for memory listener priority for dev backend

[Isaku Yamahata]

Add MEMORY_LISTNER_PRIORITY_DEV_BAKCNED for the symbolic value for memory
listener to replace the hard-coded value 10 for the device backend.

No functional change intended.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
---
 accel/kvm/kvm-all.c               | 2 +-
 hw/remote/proxy-memory-listener.c | 2 +-
 hw/virtio/vhost.c                 | 2 +-
 include/exec/memory.h             | 1 +
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 36ed4ca246b5..ae6ecf8326d1 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -1800,7 +1800,7 @@ static MemoryListener kvm_io_listener = {
     .name = "kvm-io",
     .eventfd_add = kvm_io_ioeventfd_add,
     .eventfd_del = kvm_io_ioeventfd_del,
-    .priority = 10,
+    .priority = MEMORY_LISTENER_PRIORITY_DEV_BAKCNED,
 };
 
 int kvm_set_irq(KVMState *s, int irq, int level)
diff --git a/hw/remote/proxy-memory-listener.c 
b/hw/remote/proxy-memory-listener.c
index 18d96a1d04dc..a7f53a0ba464 100644
--- a/hw/remote/proxy-memory-listener.c
+++ b/hw/remote/proxy-memory-listener.c
@@ -217,7 +217,7 @@ void proxy_memory_listener_configure(ProxyMemoryListener 
*proxy_listener,
     proxy_listener->listener.commit = proxy_memory_listener_commit;
     proxy_listener->listener.region_add = proxy_memory_listener_region_addnop;
     proxy_listener->listener.region_nop = proxy_memory_listener_region_addnop;
-    proxy_listener->listener.priority = 10;
+    proxy_listener->listener.priority = MEMORY_LISTENER_PRIORITY_DEV_BAKCNED;
     proxy_listener->listener.name = "proxy";
 
     memory_listener_register(&proxy_listener->listener,
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 23da579ce290..75f7418369cb 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1445,7 +1445,7 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
         .log_sync = vhost_log_sync,
         .log_global_start = vhost_log_global_start,
         .log_global_stop = vhost_log_global_stop,
-        .priority = 10
+        .priority = MEMORY_LISTENER_PRIORITY_DEV_BAKCNED
     };
 
     hdev->iommu_listener = (MemoryListener) {
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 6d95d5917544..5c9e04bf1208 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -812,6 +812,7 @@ struct IOMMUMemoryRegion {
     QLIST_FOREACH((n), &(mr)->iommu_notify, node)
 
 #define MEMORY_LISTENER_PRIORITY_ACCEL          10
+#define MEMORY_LISTENER_PRIORITY_DEV_BAKCNED    10
 
 /**
  * struct MemoryListener: callbacks structure for updates to the physical 
memory map
-- 
2.25.1