timer.c: cleanup recently introduced whitespace damage

[powerpc.git] / kernel / lockdep.c

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 156fce4..734da57 100644 (file)
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -375,6 +375,11 @@ unsigned int max_recursion_depth;
  * about it later on, in lockdep_info().
  */
 static int lockdep_init_error;
+static unsigned long lockdep_init_trace_data[20];
+static struct stack_trace lockdep_init_trace = {
+       .max_entries = ARRAY_SIZE(lockdep_init_trace_data),
+       .entries = lockdep_init_trace_data,
+};
 
 /*
  * Various lockdep statistics:
@@ -662,6 +667,7 @@ look_up_lock_class(struct lockdep_map *lock, unsigned int subclass)
        if (unlikely(!lockdep_initialized)) {
                lockdep_init();
                lockdep_init_error = 1;
+               save_stack_trace(&lockdep_init_trace);
        }
 #endif
 
@@ -3040,8 +3046,11 @@ void __init lockdep_info(void)
                sizeof(struct held_lock) * MAX_LOCK_DEPTH);
 
 #ifdef CONFIG_DEBUG_LOCKDEP
-       if (lockdep_init_error)
-               printk("WARNING: lockdep init error! Arch code didnt call lockdep_init() early enough?\n");
+       if (lockdep_init_error) {
+               printk("WARNING: lockdep init error! Arch code didn't call lockdep_init() early enough?\n");
+               printk("Call stack leading to lockdep invocation was:\n");
+               print_stack_trace(&lockdep_init_trace, 0);
+       }
 #endif
 }