https://lists.ubuntu.com/archives/kernel-team/2014-September/047765.html
[PATCH 3.13 166/187] s390/locking: Reenable optimistic spinning
patchlockingreenableoptimisticspinning
https://ory.wordpress.org/plugins/reenable-shortlink-item-in-admin-toolbar/
Reenable Shortlink Item In Admin Toolbar – WordPress plugin | WordPress.org ଓଡିଆ
This plugin will display the shortlink menu item in the admin toolbar.
wordpress pluginreenableshortlinkitemadmin