In comparison to DeviceClass::vmsd, CPU VMState is split in two,
"cpu_common" and "cpu", and uses cpu_index as instance_id instead of -1.
Therefore add a CPU-specific CPUClass::vmsd field.
Unlike the legacy CPUArchState registration, rather register CPUState.
Signed-off-by: Juan Quintela <quint...@redhat.com>
Signed-off-by: Andreas Färber <afaer...@suse.de>
---
exec.c | 13 +++++++++++--
include/qom/cpu.h | 3 +++
2 Dateien geändert, 14 Zeilen hinzugefügt(+), 2 Zeilen entfernt(-)
diff --git a/exec.c b/exec.c
index b85508b..5eee174 100644
--- a/exec.c
+++ b/exec.c
@@ -219,7 +219,7 @@ void cpu_exec_init_all(void)
#endif
}
-#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
+#if !defined(CONFIG_USER_ONLY)
static int cpu_common_post_load(void *opaque, int version_id)
{
@@ -266,6 +266,9 @@ CPUState *qemu_get_cpu(int index)
void cpu_exec_init(CPUArchState *env)
{
CPUState *cpu = ENV_GET_CPU(env);
+#if !defined(CONFIG_USER_ONLY) && !defined(CPU_SAVE_VERSION)
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+#endif
CPUArchState **penv;
int cpu_index;
@@ -290,10 +293,16 @@ void cpu_exec_init(CPUArchState *env)
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
-#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
+#if !defined(CONFIG_USER_ONLY)
vmstate_register(NULL, cpu_index, &vmstate_cpu_common, env);
+#if defined(CPU_SAVE_VERSION)
register_savevm(NULL, "cpu", cpu_index, CPU_SAVE_VERSION,
cpu_save, cpu_load, env);
+#else
+ if (cc->vmsd != NULL) {
+ vmstate_register(NULL, cpu_index, cc->vmsd, cpu);
+ }
+#endif
#endif
}
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 46f2247..b870752 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -43,6 +43,7 @@ typedef struct CPUState CPUState;
* @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type.
* @reset: Callback to reset the #CPUState to its initial state.
+ * @vmsd: State description for migration.
*
* Represents a CPU family or model.
*/
@@ -54,6 +55,8 @@ typedef struct CPUClass {
ObjectClass *(*class_by_name)(const char *cpu_model);
void (*reset)(CPUState *cpu);
+
+ const struct VMStateDescription *vmsd;
} CPUClass;
struct KVMState;
--
1.7.10.4
