[PATCH] lockdep: show more details about self-test failures

Make the locking self-test failures (of 'FAILURE' type) easier to debug by
printing more information.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c
index 7945787f439a..280332c1827c 100644
--- a/lib/locking-selftest.c
+++ b/lib/locking-selftest.c
@@ -963,7 +963,9 @@ static void dotest(void (*testcase_fn)(void), int expected, int lockclass_mask)
                         printk("failed|");
                 } else {
                         unexpected_testcase_failures++;
+
                         printk("FAILED|");
+                        dump_stack();
                 }
         } else {
                 testcase_successes++;