[Qemu-devel] [PATCH] savevm: check vmsd for migratability status

[Marcelo Tosatti]

Check vmsd for unmigratable field, allowing migratibility status
to be modified after vmstate_register.

Signed-off-by: Marcelo Tosatti <address@hidden>

diff --git a/savevm.c b/savevm.c
index 22123be..61a25c0 100644
--- a/savevm.c
+++ b/savevm.c
@@ -452,7 +452,7 @@ bool qemu_savevm_state_blocked(Error **errp)
     SaveStateEntry *se;
 
     QTAILQ_FOREACH(se, &savevm_handlers, entry) {
-        if (se->no_migrate) {
+        if (se->no_migrate || (se->vmsd && se->vmsd->unmigratable)) {
             error_set(errp, QERR_MIGRATION_NOT_SUPPORTED, se->idstr);
             return true;
         }