[RFC PATCH v2 20/20] migration/vmstate: Simplify vmstate for user-mode CPU

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

User-mode wants an empty vmstate for the CPUs. We can
use the generic vmstate_no_state_to_migrate object which
is the same.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/core/cpu.h       | 2 +-
 include/migration/vmstate.h | 3 ---
 stubs/vmstate.c             | 9 ---------
 3 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index c79a58db9b9..01e75cc7403 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -1132,7 +1132,7 @@ bool target_words_bigendian(void);
 #ifdef CONFIG_SOFTMMU
 extern const VMStateDescription vmstate_cpu_common;
 #else
-#define vmstate_cpu_common vmstate_user_mode_cpu_dummy
+#define vmstate_cpu_common vmstate_no_state_to_migrate
 #endif
 
 #define VMSTATE_CPU() {                                                     \
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 50559598eac..dfe20b5caa1 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -194,9 +194,6 @@ struct VMStateDescription {
     const VMStateDescription **subsections;
 };
 
-#if defined(CONFIG_USER_ONLY)
-extern const VMStateDescription vmstate_user_mode_cpu_dummy;
-#endif
 extern const VMStateDescription vmstate_no_state_to_migrate;
 
 extern const VMStateInfo vmstate_info_bool;
diff --git a/stubs/vmstate.c b/stubs/vmstate.c
index 1d0e03e233b..c360a929f60 100644
--- a/stubs/vmstate.c
+++ b/stubs/vmstate.c
@@ -1,15 +1,6 @@
 #include "qemu/osdep.h"
 #include "migration/vmstate.h"
 
-#if defined(CONFIG_USER_ONLY)
-const VMStateDescription vmstate_user_mode_cpu_dummy = {
-    .name = "cpu_common_user",
-    .fields = (VMStateField[]) {
-        VMSTATE_END_OF_LIST()
-    },
-};
-#endif
-
 const VMStateDescription vmstate_no_state_to_migrate = {
     .name = "empty-state",
     .fields = (VMStateField[]) {
-- 
2.26.2