Merge tag 'for-linus-7.0a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "A single fix for a very rare bug introduced in rc5"

* tag 'for-linus-7.0a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/privcmd: unregister xenstore notifier on module exit

Author: torvalds

drivers/xen/privcmd.c

@@ -1765,6 +1765,9 @@ static int __init privcmd_init(void)
 
 static void __exit privcmd_exit(void)
 {
+	if (!xen_initial_domain())
+		unregister_xenstore_notifier(&xenstore_notifier);
+
 	privcmd_ioeventfd_exit();
 	privcmd_irqfd_exit();
 	misc_deregister(&privcmd_dev);