38 static struct key *get_user_register(struct user_namespace *user_ns)  in get_user_register()  argument
40 	struct key *reg_keyring = READ_ONCE(user_ns->user_keyring_register);  in get_user_register()
45 	down_write(&user_ns->keyring_sem);  in get_user_register()
50 	reg_keyring = user_ns->user_keyring_register;  in get_user_register()
53 					    user_ns->owner, INVALID_GID,  in get_user_register()
60 			smp_store_release(&user_ns->user_keyring_register,  in get_user_register()
64 	up_write(&user_ns->keyring_sem);  in get_user_register()
78 	struct user_namespace *user_ns = current_user_ns();  in look_up_user_keyrings()  local
82 	uid_t uid = from_kuid(user_ns, cred->user->uid);  in look_up_user_keyrings()
90 	reg_keyring = get_user_register(user_ns);  in look_up_user_keyrings()
94 	down_write(&user_ns->keyring_sem);  in look_up_user_keyrings()
158 	up_write(&user_ns->keyring_sem);  in look_up_user_keyrings()
176 	up_write(&user_ns->keyring_sem);  in look_up_user_keyrings()
187 	struct key *reg_keyring = READ_ONCE(cred->user_ns->user_keyring_register);  in get_user_session_keyring_rcu()
205 					  from_kuid(cred->user_ns,  in get_user_session_keyring_rcu()
938 	new->user_ns	= get_user_ns(old->user_ns);  in key_change_session_keyring()