Messages in this thread Patch in this message | | | From | Hitoshi Mitake <> | Subject | [PATCH 5/5] lockdep: Fix the way to initialize class_mutex for information of file and line | Date | Thu, 7 Jan 2010 19:39:55 +0900 |
| |
This patch adds __FILE__ and __LINE__ to arguments passed for __mutex_init() called in __class_register(). This affects to lockdep_map of class_mutex of struct class_private, and these will be used to make trace lock events more human friendly.
Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/base/class.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/base/class.c b/drivers/base/class.c index 161746d..cc0630f 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -162,7 +162,8 @@ int __class_register(struct class *cls, struct lock_class_key *key) klist_init(&cp->class_devices, klist_class_dev_get, klist_class_dev_put); INIT_LIST_HEAD(&cp->class_interfaces); kset_init(&cp->class_dirs); - __mutex_init(&cp->class_mutex, "struct class mutex", key); + __mutex_init(&cp->class_mutex, "struct class mutex", key, + __FILE__, __LINE__); error = kobject_set_name(&cp->class_subsys.kobj, "%s", cls->name); if (error) { kfree(cp); -- 1.6.5.2
| |