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-rw-r--r--migration/savevm.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index 0c12e373b4..006514c3e3 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1523,6 +1523,39 @@ void qemu_savevm_state_complete_postcopy(QEMUFile *f)
     qemu_fflush(f);
 }
 
+bool qemu_savevm_state_postcopy_prepare(QEMUFile *f, Error **errp)
+{
+    SaveStateEntry *se;
+    bool ret;
+
+    QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
+        if (!se->ops || !se->ops->save_postcopy_prepare) {
+            continue;
+        }
+
+        if (se->ops->is_active) {
+            if (!se->ops->is_active(se->opaque)) {
+                continue;
+            }
+        }
+
+        trace_savevm_section_start(se->idstr, se->section_id);
+
+        save_section_header(f, se, QEMU_VM_SECTION_PART);
+        ret = se->ops->save_postcopy_prepare(f, se->opaque, errp);
+        save_section_footer(f, se);
+
+        trace_savevm_section_end(se->idstr, se->section_id, ret);
+
+        if (!ret) {
+            assert(*errp);
+            return false;
+        }
+    }
+
+    return true;
+}
+
 int qemu_savevm_state_complete_precopy_iterable(QEMUFile *f, bool in_postcopy)
 {
     int64_t start_ts_each, end_ts_each;