Changeset 
740b5706b9c4b3767f597b3ea76654c6f2a800b2 moved the protecting
spinlock from __cpcmd to cpcmd. Therefore vmcp can no longer use __cpcmd,
instead we have to use cpcmd.
Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
                return -ENOMEM;
        }
        debug_text_event(vmcp_debug, 1, cmd);
-       session->resp_size = __cpcmd(cmd, session->response,
+       session->resp_size = cpcmd(cmd, session->response,
                                     session->bufsize,
                                     &session->resp_code);
        up(&session->mutex);