[RFC PATCH 05/12] debugobjects: Mark pool_lock as a terminal lock

Waiman Long
2018-11-08T20:35:39Z

By marking the internal pool_lock as a terminal lock, lockdep will be
able to skip full validation to improve locking performance.

Signed-off-by: Waiman Long <longman@redhat.com>
---
lib/debugobjects.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 70935ed..403dd95 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -39,7 +39,7 @@ struct debug_bucket {

static struct debug_obj obj_static_pool[ODEBUG_POOL_SIZE] __initdata;

-static DEFINE_RAW_SPINLOCK(pool_lock);
+static DEFINE_RAW_TERMINAL_SPINLOCK(pool_lock);

static HLIST_HEAD(obj_pool);
static HLIST_HEAD(obj_to_free);
--
1.8.3.1