Finish non-postcopiable iterative devices before package

Where we have iterable, but non-postcopiable devices (e.g. htab
or block migration), complete them before forming the 'package'
but with the CPUs stopped.  This stops them filling up the package.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-11-11 14:02:27 +00:00 committed by Juan Quintela
parent 80e60c6e1c
commit 1c0d249ddf
3 changed files with 17 additions and 5 deletions

View file

@ -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();