diff options
Diffstat (limited to 'tools/testing/radix-tree/idr-test.c')
| -rw-r--r-- | tools/testing/radix-tree/idr-test.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c index 3b796dd5e577..ca24f6839d50 100644 --- a/tools/testing/radix-tree/idr-test.c +++ b/tools/testing/radix-tree/idr-test.c @@ -296,21 +296,34 @@ static void *idr_throbber(void *arg) return NULL; } +/* + * There are always either 1 or 2 objects in the IDR. If we find nothing, + * or we find something at an ID we didn't expect, that's a bug. + */ void idr_find_test_1(int anchor_id, int throbber_id) { pthread_t throbber; time_t start = time(NULL); - pthread_create(&throbber, NULL, idr_throbber, &throbber_id); - BUG_ON(idr_alloc(&find_idr, xa_mk_value(anchor_id), anchor_id, anchor_id + 1, GFP_KERNEL) != anchor_id); + pthread_create(&throbber, NULL, idr_throbber, &throbber_id); + + rcu_read_lock(); do { int id = 0; void *entry = idr_get_next(&find_idr, &id); - BUG_ON(entry != xa_mk_value(id)); + rcu_read_unlock(); + if ((id != anchor_id && id != throbber_id) || + entry != xa_mk_value(id)) { + printf("%s(%d, %d): %p at %d\n", __func__, anchor_id, + throbber_id, entry, id); + abort(); + } + rcu_read_lock(); } while (time(NULL) < start + 11); + rcu_read_unlock(); pthread_join(throbber, NULL); @@ -577,6 +590,7 @@ void ida_tests(void) int __weak main(void) { + rcu_register_thread(); radix_tree_init(); idr_checks(); ida_tests(); @@ -584,5 +598,6 @@ int __weak main(void) rcu_barrier(); if (nr_allocated) printf("nr_allocated = %d\n", nr_allocated); + rcu_unregister_thread(); return 0; } |