Replace the global iface lock which protects the array and number of attached ifaces with a global mutex to prevent concurrent modifications and RCU to protect readers.
Replace the global iface lock which protects the array
and number of attached ifaces with a global mutex to
prevent concurrent modifications and RCU to protect
readers.



git-svn-id: 29c1264a5cf5e3532df57b06678e7347571c1a3c@1013 f1ba3bf5-cb5c-402b-92a9-7c6bdc83a356

ananos/open-mx,ananos/open-mx,ananos/xen2mx,ananos/xen2mx,ananos/open-mx,ananos/xen2mx,ananos/xen2mx