389 struct stress {  struct
431 static void dummy_load(struct stress *stress)  in dummy_load()  argument
438 	struct stress *stress = container_of(work, typeof(*stress), work);  in stress_inorder_work()  local
439 	const int nlocks = stress->nlocks;  in stress_inorder_work()
440 	struct ww_mutex *locks = stress->locks;  in stress_inorder_work()
452 		ww_acquire_init(&ctx, stress->class);  in stress_inorder_work()
464 			dummy_load(stress);  in stress_inorder_work()
473 			if (!time_after(jiffies, stress->timeout)) {  in stress_inorder_work()
485 	} while (!time_after(jiffies, stress->timeout));  in stress_inorder_work()
497 	struct stress *stress = container_of(work, typeof(*stress), work);  in stress_reorder_work()  local
504 	order = get_random_order(stress->nlocks);  in stress_reorder_work()
508 	for (n = 0; n < stress->nlocks; n++) {  in stress_reorder_work()
513 		ll->lock = &stress->locks[order[n]];  in stress_reorder_work()
520 		ww_acquire_init(&ctx, stress->class);  in stress_reorder_work()
541 		dummy_load(stress);  in stress_reorder_work()
546 	} while (!time_after(jiffies, stress->timeout));  in stress_reorder_work()
556 	struct stress *stress = container_of(work, typeof(*stress), work);  in stress_one_work()  local
557 	const int nlocks = stress->nlocks;  in stress_one_work()
558 	struct ww_mutex *lock = stress->locks + get_random_u32_below(nlocks);  in stress_one_work()
564 			dummy_load(stress);  in stress_one_work()
571 	} while (!time_after(jiffies, stress->timeout));  in stress_one_work()
579 static int stress(struct ww_class *class, int nlocks, int nthreads, unsigned int flags)  in stress()  function
582 	struct stress *stress_array;  in stress()
600 		struct stress *stress;  in stress()  local
622 		stress = &stress_array[count++];  in stress()
624 		INIT_WORK(&stress->work, fn);  in stress()
625 		stress->class = class;  in stress()
626 		stress->locks = locks;  in stress()
627 		stress->nlocks = nlocks;  in stress()
628 		stress->timeout = jiffies + 2*HZ;  in stress()
630 		queue_work(wq, &stress->work);  in stress()
671 	ret = stress(class, 16, 2 * ncpus, STRESS_INORDER);  in run_tests()
675 	ret = stress(class, 16, 2 * ncpus, STRESS_REORDER);  in run_tests()
679 	ret = stress(class, 2046, hweight32(STRESS_ALL) * ncpus, STRESS_ALL);  in run_tests()