commit bd9262d95f9172a5f4897aeea341c219a6c6cf96
author Hu Tao <hutao@cn.fujitsu.com> Tue Jun 10 19:15:19 2014 +0800
committer Michael S. Tsirkin <mst@redhat.com> Thu Jun 19 18:44:20 2014 +0300
tree 32f8d88adff799545a71253f6cbdb08cbb60ba08
parent 58f4662c6c98a9fd05519745661177792d7aeede

hostmem: separate allocation from UserCreatable complete method

This allows the superclass to set various policies on the memory
region that the subclass creates. Drops hostmem-ram's complete method
accordingly.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

backends/hostmem.c

diff --git a/backends/hostmem.c b/backends/hostmem.c
index 2d9fd00..1738774 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -75,11 +75,31 @@
     return memory_region_size(&backend->mr) ? &backend->mr : NULL;
 }
 
+static void
+host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
+{
+    HostMemoryBackend *backend = MEMORY_BACKEND(uc);
+    HostMemoryBackendClass *bc = MEMORY_BACKEND_GET_CLASS(uc);
+
+    if (bc->alloc) {
+        bc->alloc(backend, errp);
+    }
+}
+
+static void
+host_memory_backend_class_init(ObjectClass *oc, void *data)
+{
+    UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
+
+    ucc->complete = host_memory_backend_memory_complete;
+}
+
 static const TypeInfo host_memory_backend_info = {
     .name = TYPE_MEMORY_BACKEND,
     .parent = TYPE_OBJECT,
     .abstract = true,
     .class_size = sizeof(HostMemoryBackendClass),
+    .class_init = host_memory_backend_class_init,
     .instance_size = sizeof(HostMemoryBackend),
     .instance_init = host_memory_backend_init,
     .instance_finalize = host_memory_backend_finalize,