diff options
| -rw-r--r-- | include/sysemu/sysemu.h | 2 | ||||
| -rw-r--r-- | migration/migration.c | 10 | ||||
| -rw-r--r-- | migration/savevm.c | 10 |
3 files changed, 17 insertions, 5 deletions
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index f992494..3bb8897 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -112,7 +112,7 @@ void qemu_savevm_state_header(QEMUFile *f); int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); void qemu_savevm_state_cleanup(void); void qemu_savevm_state_complete_postcopy(QEMUFile *f); -void qemu_savevm_state_complete_precopy(QEMUFile *f); +void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only); void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, uint64_t *res_non_postcopiable, uint64_t *res_postcopiable); diff --git a/migration/migration.c b/migration/migration.c index c5c977e..5df490a 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1429,6 +1429,12 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) } /* + * Cause any non-postcopiable, but iterative devices to + * send out their final data. + */ + qemu_savevm_state_complete_precopy(ms->file, true); + + /* * in Finish migrate and with the io-lock held everything should * be quiet, but we've potentially still got dirty pages and we * need to tell the destination to throw any pages it's already received @@ -1471,7 +1477,7 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) */ qemu_savevm_send_postcopy_listen(fb); - qemu_savevm_state_complete_precopy(fb); + qemu_savevm_state_complete_precopy(fb, false); qemu_savevm_send_ping(fb, 3); qemu_savevm_send_postcopy_run(fb); @@ -1538,7 +1544,7 @@ static void migration_completion(MigrationState *s, int current_active_state, ret = vm_stop_force_state(RUN_STATE_FINISH_MIGRATE); if (ret >= 0) { qemu_file_set_rate_limit(s->file, INT64_MAX); - qemu_savevm_state_complete_precopy(s->file); + qemu_savevm_state_complete_precopy(s->file, false); } } qemu_mutex_unlock_iothread(); diff --git a/migration/savevm.c b/migration/savevm.c index be52314..d90e228 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1026,7 +1026,7 @@ void qemu_savevm_state_complete_postcopy(QEMUFile *f) qemu_fflush(f); } -void qemu_savevm_state_complete_precopy(QEMUFile *f) +void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only) { QJSON *vmdesc; int vmdesc_len; @@ -1041,9 +1041,11 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f) QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { if (!se->ops || (in_postcopy && se->ops->save_live_complete_postcopy) || + (in_postcopy && !iterable_only) || !se->ops->save_live_complete_precopy) { continue; } + if (se->ops && se->ops->is_active) { if (!se->ops->is_active(se->opaque)) { continue; @@ -1062,6 +1064,10 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f) } } + if (iterable_only) { + return; + } + vmdesc = qjson_new(); json_prop_int(vmdesc, "page_size", TARGET_PAGE_SIZE); json_start_array(vmdesc, "devices"); @@ -1176,7 +1182,7 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp) ret = qemu_file_get_error(f); if (ret == 0) { - qemu_savevm_state_complete_precopy(f); + qemu_savevm_state_complete_precopy(f, false); ret = qemu_file_get_error(f); } qemu_savevm_state_cleanup(); |
