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Diffstat (limited to 'tools/testing/radix-tree/idr-test.c')
-rw-r--r--tools/testing/radix-tree/idr-test.c34
1 files changed, 31 insertions, 3 deletions
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c
index 86de901fa5c6..30cd0b296f1a 100644
--- a/tools/testing/radix-tree/idr-test.c
+++ b/tools/testing/radix-tree/idr-test.c
@@ -363,7 +363,7 @@ void ida_check_random(void)
{
DEFINE_IDA(ida);
DECLARE_BITMAP(bitmap, 2048);
- int id;
+ int id, err;
unsigned int i;
time_t s = time(NULL);
@@ -377,8 +377,11 @@ void ida_check_random(void)
ida_remove(&ida, bit);
} else {
__set_bit(bit, bitmap);
- ida_pre_get(&ida, GFP_KERNEL);
- assert(!ida_get_new_above(&ida, bit, &id));
+ do {
+ ida_pre_get(&ida, GFP_KERNEL);
+ err = ida_get_new_above(&ida, bit, &id);
+ } while (err == -ENOMEM);
+ assert(!err);
assert(id == bit);
}
}
@@ -476,11 +479,36 @@ void ida_checks(void)
radix_tree_cpu_dead(1);
}
+static void *ida_random_fn(void *arg)
+{
+ rcu_register_thread();
+ ida_check_random();
+ rcu_unregister_thread();
+ return NULL;
+}
+
+void ida_thread_tests(void)
+{
+ pthread_t threads[10];
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(threads); i++)
+ if (pthread_create(&threads[i], NULL, ida_random_fn, NULL)) {
+ perror("creating ida thread");
+ exit(1);
+ }
+
+ while (i--)
+ pthread_join(threads[i], NULL);
+}
+
int __weak main(void)
{
radix_tree_init();
idr_checks();
ida_checks();
+ ida_thread_tests();
+ radix_tree_cpu_dead(1);
rcu_barrier();
if (nr_allocated)
printf("nr_allocated = %d\n", nr_allocated);