// SPDX-License-Identifier: GPL-2.0/* * KUnit compilation/smoke test for Private list primitives. * * Copyright (c) 2025, Google LLC. * Pasha Tatashin <pasha.tatashin@soleen.com> */#include <linux/list_private.h>#include <kunit/test.h> /* * This forces compiler to warn if you access it directly, because list * primitives expect (struct list_head *), not (volatile struct list_head *). */#undef __private#define __private volatile /* Redefine ACCESS_PRIVATE for this test. */#undef ACCESS_PRIVATE#define ACCESS_PRIVATE(p, member) \	(*((struct list_head *)((unsigned long)&((p)->member)))) struct list_test_struct {	int data;	struct list_head __private list;}; static void list_private_compile_test(struct kunit *test){	struct list_test_struct entry;	struct list_test_struct *pos, *n;	LIST_HEAD(head); 	INIT_LIST_HEAD(&ACCESS_PRIVATE(&entry, list));	list_add(&ACCESS_PRIVATE(&entry, list), &head);	pos = &entry; 	pos = list_private_entry(&ACCESS_PRIVATE(&entry, list), struct list_test_struct, list);	pos = list_private_first_entry(&head, struct list_test_struct, list);	pos = list_private_last_entry(&head, struct list_test_struct, list);	pos = list_private_next_entry(pos, list);	pos = list_private_prev_entry(pos, list);	pos = list_private_next_entry_circular(pos, &head, list);	pos = list_private_prev_entry_circular(pos, &head, list); 	if (list_private_entry_is_head(pos, &head, list))		return; 	list_private_for_each_entry(pos, &head, list) { }	list_private_for_each_entry_reverse(pos, &head, list) { }	list_private_for_each_entry_continue(pos, &head, list) { }	list_private_for_each_entry_continue_reverse(pos, &head, list) { }	list_private_for_each_entry_from(pos, &head, list) { }	list_private_for_each_entry_from_reverse(pos, &head, list) { } 	list_private_for_each_entry_safe(pos, n, &head, list)		list_private_safe_reset_next(pos, n, list);	list_private_for_each_entry_safe_continue(pos, n, &head, list) { }	list_private_for_each_entry_safe_from(pos, n, &head, list) { }	list_private_for_each_entry_safe_reverse(pos, n, &head, list) { }} static struct kunit_case list_private_test_cases[] = {	KUNIT_CASE(list_private_compile_test),	{},}; static struct kunit_suite list_private_test_module = {	.name = "list-private-kunit-test",	.test_cases = list_private_test_cases,}; kunit_test_suite(list_private_test_module); MODULE_DESCRIPTION("KUnit compilation test for private list primitives");MODULE_LICENSE("GPL");