647 	struct sembuf *sop;  in perform_atomic_semop_slow()  local
656 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop_slow()
657 		int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);  in perform_atomic_semop_slow()
659 		sem_op = sop->sem_op;  in perform_atomic_semop_slow()
671 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop_slow()
672 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop_slow()
676 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop_slow()
682 	sop--;  in perform_atomic_semop_slow()
684 	while (sop >= sops) {  in perform_atomic_semop_slow()
685 		ipc_update_pid(&sma->sems[sop->sem_num].sempid, pid);  in perform_atomic_semop_slow()
686 		sop--;  in perform_atomic_semop_slow()
696 	q->blocking = sop;  in perform_atomic_semop_slow()
698 	if (sop->sem_flg & IPC_NOWAIT)  in perform_atomic_semop_slow()
704 	sop--;  in perform_atomic_semop_slow()
705 	while (sop >= sops) {  in perform_atomic_semop_slow()
706 		sem_op = sop->sem_op;  in perform_atomic_semop_slow()
707 		sma->sems[sop->sem_num].semval -= sem_op;  in perform_atomic_semop_slow()
708 		if (sop->sem_flg & SEM_UNDO)  in perform_atomic_semop_slow()
709 			un->semadj[sop->sem_num] += sem_op;  in perform_atomic_semop_slow()
710 		sop--;  in perform_atomic_semop_slow()
719 	struct sembuf *sop;  in perform_atomic_semop()  local
737 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop()
738 		int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);  in perform_atomic_semop()
741 		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()
763 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop()
764 		curr = &sma->sems[sop->sem_num];  in perform_atomic_semop()
765 		sem_op = sop->sem_op;  in perform_atomic_semop()
768 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop()
769 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()
771 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop()
780 	q->blocking = sop;  in perform_atomic_semop()
781 	return sop->sem_flg & IPC_NOWAIT ? -EAGAIN : 1;  in perform_atomic_semop()
1073 	struct sembuf *sop = q->blocking;  in check_qop()  local
1086 	if (sop->sem_num != semnum)  in check_qop()
1089 	if (count_zero && sop->sem_op == 0)  in check_qop()
1091 	if (!count_zero && sop->sem_op < 0)  in check_qop()
1989 	struct sembuf *sops = fast_sops, *sop;  in do_semtimedop()  local
2024 	for (sop = sops; sop < sops + nsops; sop++) {  in do_semtimedop()
2025 		unsigned long mask = 1ULL << ((sop->sem_num) % BITS_PER_LONG);  in do_semtimedop()
2027 		if (sop->sem_num >= max)  in do_semtimedop()
2028 			max = sop->sem_num;  in do_semtimedop()
2029 		if (sop->sem_flg & SEM_UNDO)  in do_semtimedop()
2040 		if (sop->sem_op != 0) {  in do_semtimedop()