Commit 2ee91f19 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

[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: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 50cc670a
......@@ -24,7 +24,7 @@ extern int debug_locks_off(void);
int __ret = 0; \
\
if (unlikely(c)) { \
if (debug_locks_off()) \
if (debug_locks_silent || debug_locks_off()) \
WARN_ON(1); \
__ret = 1; \
} \
......
......@@ -77,6 +77,9 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
void debug_mutex_unlock(struct mutex *lock)
{
if (unlikely(!debug_locks))
return;
DEBUG_LOCKS_WARN_ON(lock->owner != current_thread_info());
DEBUG_LOCKS_WARN_ON(lock->magic != lock);
DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next);
......
......@@ -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++;
......
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