116 static struct lock_torture_cxt cxt = { 0, 0, false,  variable
134 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_lock_busted_write_delay()
137 	if (!(torture_random(trsp) % (cxt.nrealwriters_stress * 20000)))  in torture_lock_busted_write_delay()
180 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_spin_lock_write_delay()
183 	      (cxt.nrealwriters_stress * 2 * shortdelay_us)))  in torture_spin_lock_write_delay()
186 	if (!(torture_random(trsp) % (cxt.nrealwriters_stress * 20000)))  in torture_spin_lock_write_delay()
213 	cxt.cur_ops->flags = flags;  in torture_spin_lock_write_lock_irq()
220 	spin_unlock_irqrestore(&torture_spinlock, cxt.cur_ops->flags);  in torture_lock_spin_write_unlock_irq()
251 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_rwlock_write_delay()
277 	      (cxt.nrealreaders_stress * 2000 * longdelay_ms)))  in torture_rwlock_read_delay()
304 	cxt.cur_ops->flags = flags;  in torture_rwlock_write_lock_irq()
311 	write_unlock_irqrestore(&torture_rwlock, cxt.cur_ops->flags);  in torture_rwlock_write_unlock_irq()
319 	cxt.cur_ops->flags = flags;  in torture_rwlock_read_lock_irq()
326 	read_unlock_irqrestore(&torture_rwlock, cxt.cur_ops->flags);  in torture_rwlock_read_unlock_irq()
354 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_mutex_delay()
359 	if (!(torture_random(trsp) % (cxt.nrealwriters_stress * 20000)))  in torture_mutex_delay()
402 		      (cxt.nrealwriters_stress * factor))) {  in torture_rtmutex_boost()
416 			       (cxt.nrealwriters_stress * factor * 2))) {  in torture_rtmutex_boost()
436 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_rtmutex_delay()
439 	      (cxt.nrealwriters_stress * 2 * shortdelay_us)))  in torture_rtmutex_delay()
442 	if (!(torture_random(trsp) % (cxt.nrealwriters_stress * 20000)))  in torture_rtmutex_delay()
477 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_rwsem_write_delay()
482 	if (!(torture_random(trsp) % (cxt.nrealwriters_stress * 20000)))  in torture_rwsem_write_delay()
504 	      (cxt.nrealwriters_stress * 2000 * longdelay_ms)))  in torture_rwsem_read_delay()
509 	if (!(torture_random(trsp) % (cxt.nrealreaders_stress * 20000)))  in torture_rwsem_read_delay()
588 		cxt.cur_ops->task_boost(&rand);  in lock_torture_writer()
589 		cxt.cur_ops->writelock();  in lock_torture_writer()
597 		cxt.cur_ops->write_delay(&rand);  in lock_torture_writer()
599 		cxt.cur_ops->writeunlock();  in lock_torture_writer()
604 	cxt.cur_ops->task_boost(NULL); /* reset prio */  in lock_torture_writer()
625 		cxt.cur_ops->readlock();  in lock_torture_reader()
631 		cxt.cur_ops->read_delay(&rand);  in lock_torture_reader()
633 		cxt.cur_ops->readunlock();  in lock_torture_reader()
653 	n_stress = write ? cxt.nrealwriters_stress : cxt.nrealreaders_stress;  in __torture_print_stats()
669 		atomic_inc(&cxt.n_lock_torture_errors);  in __torture_print_stats()
682 	int size = cxt.nrealwriters_stress * 200 + 8192;  in lock_torture_stats_print()
685 	if (cxt.cur_ops->readlock)  in lock_torture_stats_print()
686 		size += cxt.nrealreaders_stress * 200 + 8192;  in lock_torture_stats_print()
695 	__torture_print_stats(buf, cxt.lwsa, true);  in lock_torture_stats_print()
699 	if (cxt.cur_ops->readlock) {  in lock_torture_stats_print()
707 		__torture_print_stats(buf, cxt.lrsa, false);  in lock_torture_stats_print()
738 		 torture_type, tag, cxt.debug_lock ? " [debug]": "",  in lock_torture_print_module_parms()
739 		 cxt.nrealwriters_stress, cxt.nrealreaders_stress, stat_interval,  in lock_torture_print_module_parms()
752 		for (i = 0; i < cxt.nrealwriters_stress; i++)  in lock_torture_cleanup()
760 		for (i = 0; i < cxt.nrealreaders_stress; i++)  in lock_torture_cleanup()
770 	if (atomic_read(&cxt.n_lock_torture_errors))  in lock_torture_cleanup()
771 		lock_torture_print_module_parms(cxt.cur_ops,  in lock_torture_cleanup()
774 		lock_torture_print_module_parms(cxt.cur_ops,  in lock_torture_cleanup()
777 		lock_torture_print_module_parms(cxt.cur_ops,  in lock_torture_cleanup()
803 		cxt.cur_ops = torture_ops[i];  in lock_torture_init()
804 		if (strcmp(torture_type, cxt.cur_ops->name) == 0)  in lock_torture_init()
817 	if (cxt.cur_ops->init)  in lock_torture_init()
818 		cxt.cur_ops->init();  in lock_torture_init()
821 		cxt.nrealwriters_stress = nwriters_stress;  in lock_torture_init()
823 		cxt.nrealwriters_stress = 2 * num_online_cpus();  in lock_torture_init()
827 		cxt.debug_lock = true;  in lock_torture_init()
831 		cxt.debug_lock = true;  in lock_torture_init()
836 		cxt.debug_lock = true;  in lock_torture_init()
842 	cxt.lwsa = kmalloc(sizeof(*cxt.lwsa) * cxt.nrealwriters_stress, GFP_KERNEL);  in lock_torture_init()
843 	if (cxt.lwsa == NULL) {  in lock_torture_init()
848 	for (i = 0; i < cxt.nrealwriters_stress; i++) {  in lock_torture_init()
849 		cxt.lwsa[i].n_lock_fail = 0;  in lock_torture_init()
850 		cxt.lwsa[i].n_lock_acquired = 0;  in lock_torture_init()
853 	if (cxt.cur_ops->readlock) {  in lock_torture_init()
855 			cxt.nrealreaders_stress = nreaders_stress;  in lock_torture_init()
863 				cxt.nrealwriters_stress = num_online_cpus();  in lock_torture_init()
864 			cxt.nrealreaders_stress = cxt.nrealwriters_stress;  in lock_torture_init()
868 		cxt.lrsa = kmalloc(sizeof(*cxt.lrsa) * cxt.nrealreaders_stress, GFP_KERNEL);  in lock_torture_init()
869 		if (cxt.lrsa == NULL) {  in lock_torture_init()
872 			kfree(cxt.lwsa);  in lock_torture_init()
876 		for (i = 0; i < cxt.nrealreaders_stress; i++) {  in lock_torture_init()
877 			cxt.lrsa[i].n_lock_fail = 0;  in lock_torture_init()
878 			cxt.lrsa[i].n_lock_acquired = 0;  in lock_torture_init()
881 	lock_torture_print_module_parms(cxt.cur_ops, "Start of test");  in lock_torture_init()
907 	writer_tasks = kzalloc(cxt.nrealwriters_stress * sizeof(writer_tasks[0]),  in lock_torture_init()
915 	if (cxt.cur_ops->readlock) {  in lock_torture_init()
916 		reader_tasks = kzalloc(cxt.nrealreaders_stress * sizeof(reader_tasks[0]),  in lock_torture_init()
933 	for (i = 0, j = 0; i < cxt.nrealwriters_stress ||  in lock_torture_init()
934 		    j < cxt.nrealreaders_stress; i++, j++) {  in lock_torture_init()
935 		if (i >= cxt.nrealwriters_stress)  in lock_torture_init()
939 		firsterr = torture_create_kthread(lock_torture_writer, &cxt.lwsa[i],  in lock_torture_init()
945 		if (cxt.cur_ops->readlock == NULL || (j >= cxt.nrealreaders_stress))  in lock_torture_init()
948 		firsterr = torture_create_kthread(lock_torture_reader, &cxt.lrsa[j],  in lock_torture_init()