633 	struct sembuf *sop;  in perform_atomic_semop_slow()  local
642 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop_slow()
643 		int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);  in perform_atomic_semop_slow()
645 		sem_op = sop->sem_op;  in perform_atomic_semop_slow()
657 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop_slow()
658 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop_slow()
662 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop_slow()
668 	sop--;  in perform_atomic_semop_slow()
670 	while (sop >= sops) {  in perform_atomic_semop_slow()
671 		ipc_update_pid(&sma->sems[sop->sem_num].sempid, pid);  in perform_atomic_semop_slow()
672 		sop--;  in perform_atomic_semop_slow()
682 	q->blocking = sop;  in perform_atomic_semop_slow()
684 	if (sop->sem_flg & IPC_NOWAIT)  in perform_atomic_semop_slow()
690 	sop--;  in perform_atomic_semop_slow()
691 	while (sop >= sops) {  in perform_atomic_semop_slow()
692 		sem_op = sop->sem_op;  in perform_atomic_semop_slow()
693 		sma->sems[sop->sem_num].semval -= sem_op;  in perform_atomic_semop_slow()
694 		if (sop->sem_flg & SEM_UNDO)  in perform_atomic_semop_slow()
695 			un->semadj[sop->sem_num] += sem_op;  in perform_atomic_semop_slow()
696 		sop--;  in perform_atomic_semop_slow()
705 	struct sembuf *sop;  in perform_atomic_semop()  local
723 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop()
724 		int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);  in perform_atomic_semop()
727 		sem_op = sop->sem_op;  in perform_atomic_semop()
740 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop()
741 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()
749 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop()
750 		curr = &sma->sems[sop->sem_num];  in perform_atomic_semop()
751 		sem_op = sop->sem_op;  in perform_atomic_semop()
754 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop()
755 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()
757 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop()
766 	q->blocking = sop;  in perform_atomic_semop()
767 	return sop->sem_flg & IPC_NOWAIT ? -EAGAIN : 1;  in perform_atomic_semop()
1060 	struct sembuf *sop = q->blocking;  in check_qop()  local
1073 	if (sop->sem_num != semnum)  in check_qop()
1076 	if (count_zero && sop->sem_op == 0)  in check_qop()
1078 	if (!count_zero && sop->sem_op < 0)  in check_qop()
1949 	struct sembuf *sops = fast_sops, *sop;  in do_semtimedop()  local
1984 	for (sop = sops; sop < sops + nsops; sop++) {  in do_semtimedop()
1985 		unsigned long mask = 1ULL << ((sop->sem_num) % BITS_PER_LONG);  in do_semtimedop()
1987 		if (sop->sem_num >= max)  in do_semtimedop()
1988 			max = sop->sem_num;  in do_semtimedop()
1989 		if (sop->sem_flg & SEM_UNDO)  in do_semtimedop()
2000 		if (sop->sem_op != 0) {  in do_semtimedop()