diff options
Diffstat (limited to 'kernel/rcupdate.c')
| -rw-r--r-- | kernel/rcupdate.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 2c2dd8410dc4..130214f3d229 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -49,6 +49,14 @@ #include <linux/cpu.h> #include <linux/mutex.h> +#ifdef CONFIG_DEBUG_LOCK_ALLOC +static struct lock_class_key rcu_lock_key; +struct lockdep_map rcu_lock_map = + STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key); + +EXPORT_SYMBOL_GPL(rcu_lock_map); +#endif + /* Definition for rcupdate control block. */ static struct rcu_ctrlblk rcu_ctrlblk = { .cur = -300, |