On 08.10.20 01:41, kernel test robot wrote: > 2ea2a6099ae3d1708f90f43c81a98cba3d4bb74c [73/81] s390/ap: add error response code field for ap queue devices Fixed ... but why do these warnings not appear with normal build or with C=1 build ? Maybe there is some pragma needed somewhere at where the debug feature printfs expand to ? drivers/s390/crypto/ap_debug.h:26:47: note: expanded from macro 'AP_DBF_WARN' debug_sprintf_event(ap_dbf_info, DBF_WARN, ##__VA_ARGS__)