59 static void hardwall_add_proc(struct hardwall_info *rect);
60 static void hardwall_remove_proc(struct hardwall_info *rect);
225 	struct hardwall_info *rect;  in do_hardwall_trap()  local
240 	list_for_each_entry(rect, &rectangles, list) {  in do_hardwall_trap()
241 		if (contains(rect, x, y))  in do_hardwall_trap()
250 	BUG_ON(&rect->list == &rectangles);  in do_hardwall_trap()
257 	if (rect->teardown_in_progress) {  in do_hardwall_trap()
272 	rect->teardown_in_progress = 1;  in do_hardwall_trap()
280 	list_for_each_entry(p, &rect->task_head, thread.hardwall_list) {  in do_hardwall_trap()
281 		BUG_ON(p->thread.hardwall != rect);  in do_hardwall_trap()
342 	struct hardwall_info *iter, *rect;  in hardwall_create()  local
374 	rect = kmalloc(sizeof(struct hardwall_info),  in hardwall_create()
376 	if (rect == NULL)  in hardwall_create()
378 	INIT_LIST_HEAD(&rect->task_head);  in hardwall_create()
381 	rc = setup_rectangle(rect, &mask);  in hardwall_create()
383 		kfree(rect);  in hardwall_create()
390 		if (overlaps(iter, rect)) {  in hardwall_create()
392 			kfree(rect);  in hardwall_create()
396 	list_add_tail(&rect->list, &rectangles);  in hardwall_create()
400 	hardwall_setup(rect);  in hardwall_create()
403 	hardwall_add_proc(rect);  in hardwall_create()
405 	return rect;  in hardwall_create()
409 static int hardwall_activate(struct hardwall_info *rect)  in hardwall_activate()  argument
417 	if (rect == NULL)  in hardwall_activate()
421 	if (rect->teardown_in_progress)  in hardwall_activate()
436 	if (!contains(rect, x, y))  in hardwall_activate()
441 		BUG_ON(ts->hardwall != rect);  in hardwall_activate()
446 	ts->hardwall = rect;  in hardwall_activate()
448 	list_add(&ts->hardwall_list, &rect->task_head);  in hardwall_activate()
630 static void hardwall_destroy(struct hardwall_info *rect)  in hardwall_destroy()  argument
637 	if (rect == NULL)  in hardwall_destroy()
648 	list_for_each_entry(task, &rect->task_head, thread.hardwall_list)  in hardwall_destroy()
654 	       rect->width, rect->height, rect->ulhc_x, rect->ulhc_y);  in hardwall_destroy()
655 	fill_mask(rect, &mask);  in hardwall_destroy()
663 	hardwall_remove_proc(rect);  in hardwall_destroy()
667 	BUG_ON(!list_empty(&rect->task_head));  in hardwall_destroy()
668 	list_del(&rect->list);  in hardwall_destroy()
670 	kfree(rect);  in hardwall_destroy()
676 	struct hardwall_info *rect = sf->private;  in hardwall_proc_show()  local
679 	int rc = cpulist_scnprintf(buf, sizeof(buf), &rect->cpumask);  in hardwall_proc_show()
698 static void hardwall_add_proc(struct hardwall_info *rect)  in hardwall_add_proc()  argument
701 	snprintf(buf, sizeof(buf), "%d", rect->id);  in hardwall_add_proc()
703 			 &hardwall_proc_fops, rect);  in hardwall_add_proc()
706 static void hardwall_remove_proc(struct hardwall_info *rect)  in hardwall_remove_proc()  argument
709 	snprintf(buf, sizeof(buf), "%d", rect->id);  in hardwall_remove_proc()
715 	struct hardwall_info *rect = task->thread.hardwall;  in proc_pid_hardwall()  local
716 	return rect ? sprintf(buffer, "%d\n", rect->id) : 0;  in proc_pid_hardwall()
732 	struct hardwall_info *rect = file->private_data;  in hardwall_ioctl()  local
741 		if (rect != NULL)  in hardwall_ioctl()
743 		rect = hardwall_create(_IOC_SIZE(a),  in hardwall_ioctl()
745 		if (IS_ERR(rect))  in hardwall_ioctl()
746 			return PTR_ERR(rect);  in hardwall_ioctl()
747 		file->private_data = rect;  in hardwall_ioctl()
751 		return hardwall_activate(rect);  in hardwall_ioctl()
754 		if (current->thread.hardwall != rect)  in hardwall_ioctl()
759 		return rect ? rect->id : -EINVAL;  in hardwall_ioctl()
778 	struct hardwall_info *rect = file->private_data;  in hardwall_flush()  local
782 	if (rect) {  in hardwall_flush()
792 		list_for_each_entry_safe(task, tmp, &rect->task_head,  in hardwall_flush()