return (a > b) - (a < b);
}
-int migration_stop_vm(RunState state)
+static int migration_stop_vm(MigrationState *s, RunState state)
{
- int ret = vm_stop_force_state(state);
+ int ret;
+
+ migration_downtime_start(s);
+
+ s->vm_old_state = runstate_get();
+ global_state_store();
+
+ ret = vm_stop_force_state(state);
trace_vmstate_downtime_checkpoint("src-vm-stopped");
+ trace_migration_completion_vm_stop(ret);
return ret;
}
s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE);
}
+bool migrate_mode_is_cpr(MigrationState *s)
+{
+ return s->parameters.mode == MIG_MODE_CPR_REBOOT;
+}
+
int migrate_init(MigrationState *s, Error **errp)
{
int ret;
bql_lock();
trace_postcopy_start_set_run();
- migration_downtime_start(ms);
-
- global_state_store();
- ret = migration_stop_vm(RUN_STATE_FINISH_MIGRATE);
+ ret = migration_stop_vm(ms, RUN_STATE_FINISH_MIGRATE);
if (ret < 0) {
goto fail;
}
int ret;
bql_lock();
- migration_downtime_start(s);
-
- s->vm_old_state = runstate_get();
- global_state_store();
- ret = migration_stop_vm(RUN_STATE_FINISH_MIGRATE);
- trace_migration_completion_vm_stop(ret);
- if (ret < 0) {
- goto out_unlock;
+ if (!migrate_mode_is_cpr(s)) {
+ ret = migration_stop_vm(s, RUN_STATE_FINISH_MIGRATE);
+ if (ret < 0) {
+ goto out_unlock;
+ }
}
ret = migration_maybe_pause(s, current_active_state,
s->setup_time = qemu_clock_get_ms(QEMU_CLOCK_HOST) - setup_start;
trace_migration_thread_setup_complete();
- migration_downtime_start(s);
bql_lock();
- s->vm_old_state = runstate_get();
-
- global_state_store();
- /* Forcibly stop VM before saving state of vCPUs and devices */
- if (migration_stop_vm(RUN_STATE_PAUSED)) {
+ if (migration_stop_vm(s, RUN_STATE_PAUSED)) {
goto fail;
}
/*
Error *local_err = NULL;
uint64_t rate_limit;
bool resume = s->state == MIGRATION_STATUS_POSTCOPY_PAUSED;
+ int ret;
/*
* If there's a previous error, free it and prepare for another one.
return;
}
+ if (migrate_mode_is_cpr(s)) {
+ ret = migration_stop_vm(s, RUN_STATE_FINISH_MIGRATE);
+ if (ret < 0) {
+ error_setg(&local_err, "migration_stop_vm failed, error %d", -ret);
+ goto fail;
+ }
+ }
+
if (migrate_background_snapshot()) {
qemu_thread_create(&s->thread, "bg_snapshot",
bg_migration_thread, s, QEMU_THREAD_JOINABLE);