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Diffstat (limited to 'migration')
-rw-r--r--migration/migration.c89
1 files changed, 49 insertions, 40 deletions
diff --git a/migration/migration.c b/migration/migration.c
index fc5e50b0be..0129d9f420 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -323,10 +323,56 @@ void qemu_start_incoming_migration(const char *uri, Error **errp)
}
}
+static void process_incoming_migration_bh(void *opaque)
+{
+ Error *local_err = NULL;
+ MigrationIncomingState *mis = opaque;
+
+ /* Make sure all file formats flush their mutable metadata */
+ bdrv_invalidate_cache_all(&local_err);
+ if (local_err) {
+ migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
+ MIGRATION_STATUS_FAILED);
+ error_report_err(local_err);
+ migrate_decompress_threads_join();
+ exit(EXIT_FAILURE);
+ }
+
+ /*
+ * This must happen after all error conditions are dealt with and
+ * we're sure the VM is going to be running on this host.
+ */
+ qemu_announce_self();
+
+ /* If global state section was not received or we are in running
+ state, we need to obey autostart. Any other state is set with
+ runstate_set. */
+
+ if (!global_state_received() ||
+ global_state_get_runstate() == RUN_STATE_RUNNING) {
+ if (autostart) {
+ vm_start();
+ } else {
+ runstate_set(RUN_STATE_PAUSED);
+ }
+ } else {
+ runstate_set(global_state_get_runstate());
+ }
+ migrate_decompress_threads_join();
+ /*
+ * This must happen after any state changes since as soon as an external
+ * observer sees this event they might start to prod at the VM assuming
+ * it's ready to use.
+ */
+ migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
+ MIGRATION_STATUS_COMPLETED);
+ qemu_bh_delete(mis->bh);
+ migration_incoming_state_destroy();
+}
+
static void process_incoming_migration_co(void *opaque)
{
QEMUFile *f = opaque;
- Error *local_err = NULL;
MigrationIncomingState *mis;
PostcopyState ps;
int ret;
@@ -369,45 +415,8 @@ static void process_incoming_migration_co(void *opaque)
exit(EXIT_FAILURE);
}
- /* Make sure all file formats flush their mutable metadata */
- bdrv_invalidate_cache_all(&local_err);
- if (local_err) {
- migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
- MIGRATION_STATUS_FAILED);
- error_report_err(local_err);
- migrate_decompress_threads_join();
- exit(EXIT_FAILURE);
- }
-
- /*
- * This must happen after all error conditions are dealt with and
- * we're sure the VM is going to be running on this host.
- */
- qemu_announce_self();
-
- /* If global state section was not received or we are in running
- state, we need to obey autostart. Any other state is set with
- runstate_set. */
-
- if (!global_state_received() ||
- global_state_get_runstate() == RUN_STATE_RUNNING) {
- if (autostart) {
- vm_start();
- } else {
- runstate_set(RUN_STATE_PAUSED);
- }
- } else {
- runstate_set(global_state_get_runstate());
- }
- migrate_decompress_threads_join();
- /*
- * This must happen after any state changes since as soon as an external
- * observer sees this event they might start to prod at the VM assuming
- * it's ready to use.
- */
- migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
- MIGRATION_STATUS_COMPLETED);
- migration_incoming_state_destroy();
+ mis->bh = qemu_bh_new(process_incoming_migration_bh, mis);
+ qemu_bh_schedule(mis->bh);
}
void process_incoming_migration(QEMUFile *f)