memdev: remove "id" property
The "id" property is unnecessary and can be replaced simply with
object_get_canonical_path_component. This patch mostly undoes commit
e1ff3c67e8 ("monitor: fix qmp/hmp query-memdev not reporting IDs of
memory backends", 2017-01-12).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/backends/hostmem.c b/backends/hostmem.c
index 6a0c474..3627e61 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -369,24 +369,6 @@
}
}
-static char *get_id(Object *o, Error **errp)
-{
- HostMemoryBackend *backend = MEMORY_BACKEND(o);
-
- return g_strdup(backend->id);
-}
-
-static void set_id(Object *o, const char *str, Error **errp)
-{
- HostMemoryBackend *backend = MEMORY_BACKEND(o);
-
- if (backend->id) {
- error_setg(errp, "cannot change property value");
- return;
- }
- backend->id = g_strdup(str);
-}
-
static bool host_memory_backend_get_share(Object *o, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(o);
@@ -434,18 +416,11 @@
&HostMemPolicy_lookup,
host_memory_backend_get_policy,
host_memory_backend_set_policy, &error_abort);
- object_class_property_add_str(oc, "id", get_id, set_id, &error_abort);
object_class_property_add_bool(oc, "share",
host_memory_backend_get_share, host_memory_backend_set_share,
&error_abort);
}
-static void host_memory_backend_finalize(Object *o)
-{
- HostMemoryBackend *backend = MEMORY_BACKEND(o);
- g_free(backend->id);
-}
-
static const TypeInfo host_memory_backend_info = {
.name = TYPE_MEMORY_BACKEND,
.parent = TYPE_OBJECT,
@@ -454,7 +429,6 @@
.class_init = host_memory_backend_class_init,
.instance_size = sizeof(HostMemoryBackend),
.instance_init = host_memory_backend_init,
- .instance_finalize = host_memory_backend_finalize,
.interfaces = (InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h
index bc36899..5beb0ef 100644
--- a/include/sysemu/hostmem.h
+++ b/include/sysemu/hostmem.h
@@ -52,7 +52,6 @@
Object parent;
/* protected */
- char *id;
uint64_t size;
bool merge, dump;
bool prealloc, force_prealloc, is_mapped, share;
diff --git a/numa.c b/numa.c
index 70b150e..aac22a9 100644
--- a/numa.c
+++ b/numa.c
@@ -580,7 +580,7 @@
m->value = g_malloc0(sizeof(*m->value));
- m->value->id = object_property_get_str(obj, "id", NULL);
+ m->value->id = object_get_canonical_path_component(obj);
m->value->has_id = !!m->value->id;
m->value->size = object_property_get_uint(obj, "size",
diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index 980ffc2..72b97a8 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -65,12 +65,6 @@
assert(qdict);
obj = object_new(type);
- if (object_property_find(obj, "id", NULL)) {
- object_property_set_str(obj, id, "id", &local_err);
- if (local_err) {
- goto out;
- }
- }
visit_start_struct(v, NULL, NULL, 0, &local_err);
if (local_err) {
goto out;