975ef94a0284 ("pvcalls-front: fixes incorrect error handling")
cb1c7d9bbc87 ("xen/pvcalls: implement connect command")
2195046bfd69 ("xen/pvcalls: implement socket command and handle events")
aa7ba3767830 ("xen/pvcalls: implement frontend disconnect")
416efba0bd69 ("xen/pvcalls: introduce the pvcalls xenbus frontend")