[Qemu-devel] [PATCH 32/46] mig fd_connect: open return path

[Dr. David Alan Gilbert (git)]

From: "Dr. David Alan Gilbert" <dgilb...@redhat.com>

Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
---
 migration.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/migration.c b/migration.c
index c73fcfa..c7ba6a1 100644
--- a/migration.c
+++ b/migration.c
@@ -1164,6 +1164,18 @@ void migrate_fd_connect(MigrationState *s)
     /* Notify before starting migration thread */
     notifier_list_notify(&migration_state_notifiers, s);
 
+    /* Open the return path; currently for postcopy but other things might
+     * also want it.
+     */
+    if (migrate_postcopy_ram()) {
+        if (open_outgoing_return_path(s)) {
+            error_report("Unable to open return-path for postcopy");
+            migrate_set_state(s, MIG_STATE_SETUP, MIG_STATE_ERROR);
+            migrate_fd_cleanup(s);
+            return;
+        }
+    }
+
     qemu_thread_create(&s->thread, "migration", migration_thread, s,
                        QEMU_THREAD_JOINABLE);
 }
-- 
1.9.3