STP_OP_CTRL 521 arch/s390/kernel/time.c rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000, NULL); STP_OP_CTRL 652 arch/s390/kernel/time.c chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000, NULL); STP_OP_CTRL 657 arch/s390/kernel/time.c rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0xb0e0, NULL);