1 files changed, 0 insertions, 22 deletions

diff --git a/ipc/namespace.c b/ipc/namespace.c
index b54468e48e32..1a3ffd40356e 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -45,14 +45,6 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns,
         msg_init_ns(ns);
         shm_init_ns(ns);
 
-        /*
-         * msgmni has already been computed for the new ipc ns.
-         * Thus, do the ipcns creation notification before registering that
-         * new ipcns in the chain.
-         */
-        ipcns_notify(IPCNS_CREATED);
-        register_ipcns_notifier(ns);
-
         ns->user_ns = get_user_ns(user_ns);
 
         return ns;
@@ -99,25 +91,11 @@ void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
 
 static void free_ipc_ns(struct ipc_namespace *ns)
 {
-        /*
-         * Unregistering the hotplug notifier at the beginning guarantees
-         * that the ipc namespace won't be freed while we are inside the
-         * callback routine. Since the blocking_notifier_chain_XXX routines
-         * hold a rw lock on the notifier list, unregister_ipcns_notifier()
-         * won't take the rw lock before blocking_notifier_call_chain() has
-         * released the rd lock.
-         */
-        unregister_ipcns_notifier(ns);
         sem_exit_ns(ns);
         msg_exit_ns(ns);
         shm_exit_ns(ns);
         atomic_dec(&nr_ipc_ns);
 
-        /*
-         * Do the ipcns removal notification after decrementing nr_ipc_ns in
-         * order to have a correct value when recomputing msgmni.
-         */
-        ipcns_notify(IPCNS_REMOVED);
         put_user_ns(ns->user_ns);
         proc_free_inum(ns->proc_inum);
         kfree(ns);