提交 8bfe0298 编写于 作者: R Rabin Vincent 提交者: Ingo Molnar

lockdep: handle chains involving classes defined in modules

Solve this by marking the classes as unused and not printing information
about the unused classes.
Reported-by: NEric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: NRabin Vincent <rabin@rab.in>
Acked-by: NHuang Ying <ying.huang@intel.com>
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 7cd5a02f
......@@ -3176,6 +3176,7 @@ static void zap_class(struct lock_class *class)
list_del_rcu(&class->hash_entry);
list_del_rcu(&class->lock_entry);
class->key = NULL;
}
static inline int within(const void *addr, void *start, unsigned long size)
......
......@@ -201,6 +201,9 @@ static int lc_show(struct seq_file *m, void *v)
for (i = 0; i < chain->depth; i++) {
class = lock_chain_get_class(chain, i);
if (!class->key)
continue;
seq_printf(m, "[%p] ", class->key);
print_name(m, class);
seq_puts(m, "\n");
......
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