207 #define  pagemap_check_wp(value, wp) do {				\  argument
208 		if (!!(value & PM_UFFD_WP) != wp)			\
209 			err("pagemap uffd-wp bit error: 0x%"PRIx64, value); \
314 		 * After fork(), we should handle uffd-wp bit differently:  in pagemap_test_fork()
402 		uffd_test_fail("Detected %s uffd-wp bit in child in present pte",  in uffd_wp_fork_test_common()
429 	/* Uffd-wp should persist even swapped out */  in uffd_wp_fork_test_common()
433 		uffd_test_fail("Detected %s uffd-wp bit in child in zapped pte",  in uffd_wp_fork_test_common()
493 		uffd_test_fail("Detected %s uffd-wp bit in early CoW of fork()",  in uffd_wp_fork_pin_test_common()
506 		uffd_test_fail("Detected %s uffd-wp bit when RO pin",  in uffd_wp_fork_pin_test_common()
551 	 * NOTE: MADV_COLLAPSE is not yet compatible with WP, so testing  in uffd_minor_test_common()
557 			  /* NOTE! MADV_COLLAPSE may not work with uffd-wp */  in uffd_minor_test_common()
658 static int faulting_process(uffd_global_test_opts_t *gopts, int signal_test, bool wp)  in faulting_process()  argument
693 						if (copy_page(gopts, offset, wp))  in faulting_process()
696 						/* This is a WP request */  in faulting_process()
756 static void uffd_sigbus_test_common(uffd_global_test_opts_t *gopts, bool wp)  in uffd_sigbus_test_common()  argument
771 			  true, wp, false))  in uffd_sigbus_test_common()
774 	if (faulting_process(gopts, 1, wp))  in uffd_sigbus_test_common()
779 	args.apply_wp = wp;  in uffd_sigbus_test_common()
791 		exit(faulting_process(gopts, 2, wp));  in uffd_sigbus_test_common()
817 static void uffd_events_test_common(uffd_global_test_opts_t *gopts, bool wp)  in uffd_events_test_common()  argument
830 			  true, wp, false))  in uffd_events_test_common()
833 	args.apply_wp = wp;  in uffd_events_test_common()
845 		exit(faulting_process(gopts, 0, wp));  in uffd_events_test_common()
1466 			bool wp,  in do_register_ioctls_test()  argument
1474 					miss, wp, minor, &ioctls);  in do_register_ioctls_test()
1484 	    (!miss && !wp && !minor)) {  in do_register_ioctls_test()
1486 			err("register (miss=%d, wp=%d, minor=%d) failed "  in do_register_ioctls_test()
1487 			    "with wrong errno=%d", miss, wp, minor, ret);  in do_register_ioctls_test()
1494 	if (wp)  in do_register_ioctls_test()
1501 		    "(miss=%d, wp=%d, minor=%d): expected=0x%"PRIx64", "  in do_register_ioctls_test()
1502 		    "returned=0x%"PRIx64, miss, wp, minor, expected, ioctls);  in do_register_ioctls_test()
1510 	int miss, wp, minor;  in uffd_register_ioctls_test()  local
1513 		for (wp = 0; wp <= 1; wp++)  in uffd_register_ioctls_test()
1515 				do_register_ioctls_test(gopts, args, miss, wp, minor);  in uffd_register_ioctls_test()
1561 		.name = "wp-fork",
1568 		.name = "wp-fork-with-event",
1573 		/* when set, child process should inherit uffd-wp bits */
1577 		.name = "wp-fork-pin",
1584 		.name = "wp-fork-pin-with-event",
1589 		/* when set, child process should inherit uffd-wp bits */
1593 		.name = "wp-unpopulated",
1607 		.name = "minor-wp",
1636 		.name = "sigbus-wp",
1651 		.name = "events-wp",