xenstore_chain 79 drivers/xen/xenbus/xenbus_probe.c static BLOCKING_NOTIFIER_HEAD(xenstore_chain); xenstore_chain 673 drivers/xen/xenbus/xenbus_probe.c blocking_notifier_chain_register(&xenstore_chain, nb); xenstore_chain 681 drivers/xen/xenbus/xenbus_probe.c blocking_notifier_chain_unregister(&xenstore_chain, nb); xenstore_chain 690 drivers/xen/xenbus/xenbus_probe.c blocking_notifier_call_chain(&xenstore_chain, 0, NULL);