X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=kernel%2Fmutex.c;h=4f45d4b658ef6ab1fda9357725b01361a6768a76;hb=7e0f7cf582abd6c85232331dfe726a4e4b0fd98e;hp=bcdc9ac8ef60da5a2937ce8205e58ab2a2350deb;hpb=6ad36762d7a88d747f6fed95194b4f7ff5da8df4;p=safe%2Fjmp%2Flinux-2.6

diff --git a/kernel/mutex.c b/kernel/mutex.c
index bcdc9ac..4f45d4b 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -34,6 +34,7 @@
 /***
  * mutex_init - initialize the mutex
  * @lock: the mutex to be initialized
+ * @key: the lock_class_key for the class; used by mutex lock debugging
  *
  * Initialize the mutex to unlocked state.
  *
@@ -58,7 +59,7 @@ EXPORT_SYMBOL(__mutex_init);
  * We also put the fastpath first in the kernel image, to make sure the
  * branch is predicted by the CPU as default-untaken.
  */
-static void noinline __sched
+static __used noinline void __sched
 __mutex_lock_slowpath(atomic_t *lock_count);
 
 /***
@@ -95,7 +96,7 @@ void inline __sched mutex_lock(struct mutex *lock)
 EXPORT_SYMBOL(mutex_lock);
 #endif
 
-static noinline void __sched __mutex_unlock_slowpath(atomic_t *lock_count);
+static __used noinline void __sched __mutex_unlock_slowpath(atomic_t *lock_count);
 
 /***
  * mutex_unlock - release the mutex
@@ -183,7 +184,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 	}
 
 done:
-	lock_acquired(&lock->dep_map);
+	lock_acquired(&lock->dep_map, ip);
 	/* got the lock - rejoice! */
 	mutex_remove_waiter(lock, &waiter, task_thread_info(task));
 	debug_mutex_set_owner(lock, task_thread_info(task));
@@ -267,7 +268,7 @@ __mutex_unlock_common_slowpath(atomic_t *lock_count, int nested)
 /*
  * Release the lock, slowpath:
  */
-static noinline void
+static __used noinline void
 __mutex_unlock_slowpath(atomic_t *lock_count)
 {
 	__mutex_unlock_common_slowpath(lock_count, 1);
@@ -312,7 +313,7 @@ int __sched mutex_lock_killable(struct mutex *lock)
 }
 EXPORT_SYMBOL(mutex_lock_killable);
 
-static noinline void __sched
+static __used noinline void __sched
 __mutex_lock_slowpath(atomic_t *lock_count)
 {
 	struct mutex *lock = container_of(lock_count, struct mutex, count);