migration: Constify VMState

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-67-richard.henderson@linaro.org>

migration/global_state.c

@@ -131,7 +131,7 @@ static const VMStateDescription vmstate_globalstate = {
     .post_load = global_state_post_load,
     .pre_save = global_state_pre_save,
     .needed = global_state_needed,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(size, GlobalState),
         VMSTATE_BUFFER(runstate, GlobalState),
         VMSTATE_END_OF_LIST()

migration/savevm.c

@@ -438,7 +438,7 @@ static const VMStateDescription vmstate_target_page_bits = {
     .version_id = 1,
     .minimum_version_id = 1,
     .needed = vmstate_target_page_bits_needed,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(target_page_bits, SaveState),
         VMSTATE_END_OF_LIST()
     }
@@ -454,7 +454,7 @@ static const VMStateDescription vmstate_capabilites = {
     .version_id = 1,
     .minimum_version_id = 1,
     .needed = vmstate_capabilites_needed,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32_V(caps_count, SaveState, 1),
         VMSTATE_VARRAY_UINT32_ALLOC(capabilities, SaveState, caps_count, 1,
                                     vmstate_info_capability,
@@ -499,7 +499,7 @@ static const VMStateDescription vmstate_uuid = {
     .minimum_version_id = 1,
     .needed = vmstate_uuid_needed,
     .post_load = vmstate_uuid_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8_ARRAY_V(uuid.data, SaveState, sizeof(QemuUUID), 1),
         VMSTATE_END_OF_LIST()
     }
@@ -512,12 +512,12 @@ static const VMStateDescription vmstate_configuration = {
     .post_load = configuration_post_load,
     .pre_save = configuration_pre_save,
     .post_save = configuration_post_save,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(len, SaveState),
         VMSTATE_VBUFFER_ALLOC_UINT32(name, SaveState, 0, NULL, len),
         VMSTATE_END_OF_LIST()
     },
-    .subsections = (const VMStateDescription *[]) {
+    .subsections = (const VMStateDescription * const []) {
         &vmstate_target_page_bits,
         &vmstate_capabilites,
         &vmstate_uuid,