382 struct stress {  struct
413 static void dummy_load(struct stress *stress)  in dummy_load()  argument
420 	struct stress *stress = container_of(work, typeof(*stress), work);  in stress_inorder_work()  local
421 	const int nlocks = stress->nlocks;  in stress_inorder_work()
422 	struct ww_mutex *locks = stress->locks;  in stress_inorder_work()
446 			dummy_load(stress);  in stress_inorder_work()
466 	} while (!time_after(jiffies, stress->timeout));  in stress_inorder_work()
469 	kfree(stress);  in stress_inorder_work()
479 	struct stress *stress = container_of(work, typeof(*stress), work);  in stress_reorder_work()  local
486 	order = get_random_order(stress->nlocks);  in stress_reorder_work()
490 	for (n = 0; n < stress->nlocks; n++) {  in stress_reorder_work()
495 		ll->lock = &stress->locks[order[n]];  in stress_reorder_work()
523 		dummy_load(stress);  in stress_reorder_work()
528 	} while (!time_after(jiffies, stress->timeout));  in stress_reorder_work()
534 	kfree(stress);  in stress_reorder_work()
539 	struct stress *stress = container_of(work, typeof(*stress), work);  in stress_one_work()  local
540 	const int nlocks = stress->nlocks;  in stress_one_work()
541 	struct ww_mutex *lock = stress->locks + prandom_u32_max(nlocks);  in stress_one_work()
547 			dummy_load(stress);  in stress_one_work()
554 	} while (!time_after(jiffies, stress->timeout));  in stress_one_work()
556 	kfree(stress);  in stress_one_work()
564 static int stress(int nlocks, int nthreads, unsigned int flags)  in stress()  function
577 		struct stress *stress;  in stress()  local
599 		stress = kmalloc(sizeof(*stress), GFP_KERNEL);  in stress()
600 		if (!stress)  in stress()
603 		INIT_WORK(&stress->work, fn);  in stress()
604 		stress->locks = locks;  in stress()
605 		stress->nlocks = nlocks;  in stress()
606 		stress->timeout = jiffies + 2*HZ;  in stress()
608 		queue_work(wq, &stress->work);  in stress()
654 	ret = stress(16, 2*ncpus, STRESS_INORDER);  in test_ww_mutex_init()
658 	ret = stress(16, 2*ncpus, STRESS_REORDER);  in test_ww_mutex_init()
662 	ret = stress(4095, hweight32(STRESS_ALL)*ncpus, STRESS_ALL);  in test_ww_mutex_init()