rcu: Add event-tracing for RCU callback invocation
[linux-3.10.git] / include / linux / rcupdate.h
index ae5327d..dd2bc2c 100644 (file)
@@ -794,44 +794,6 @@ static inline notrace void rcu_read_unlock_sched_notrace(void)
 #define RCU_INIT_POINTER(p, v) \
                p = (typeof(*v) __force __rcu *)(v)
 
-/*
- * debug_rcu_head_queue()/debug_rcu_head_unqueue() are used internally
- * by call_rcu() and rcu callback execution, and are therefore not part of the
- * RCU API. Leaving in rcupdate.h because they are used by all RCU flavors.
- */
-
-#ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD
-# define STATE_RCU_HEAD_READY  0
-# define STATE_RCU_HEAD_QUEUED 1
-
-extern struct debug_obj_descr rcuhead_debug_descr;
-
-static inline void debug_rcu_head_queue(struct rcu_head *head)
-{
-       WARN_ON_ONCE((unsigned long)head & 0x3);
-       debug_object_activate(head, &rcuhead_debug_descr);
-       debug_object_active_state(head, &rcuhead_debug_descr,
-                                 STATE_RCU_HEAD_READY,
-                                 STATE_RCU_HEAD_QUEUED);
-}
-
-static inline void debug_rcu_head_unqueue(struct rcu_head *head)
-{
-       debug_object_active_state(head, &rcuhead_debug_descr,
-                                 STATE_RCU_HEAD_QUEUED,
-                                 STATE_RCU_HEAD_READY);
-       debug_object_deactivate(head, &rcuhead_debug_descr);
-}
-#else  /* !CONFIG_DEBUG_OBJECTS_RCU_HEAD */
-static inline void debug_rcu_head_queue(struct rcu_head *head)
-{
-}
-
-static inline void debug_rcu_head_unqueue(struct rcu_head *head)
-{
-}
-#endif /* #else !CONFIG_DEBUG_OBJECTS_RCU_HEAD */
-
 static __always_inline bool __is_kfree_rcu_offset(unsigned long offset)
 {
        return offset < 4096;
@@ -850,18 +812,6 @@ void __kfree_rcu(struct rcu_head *head, unsigned long offset)
        call_rcu(head, (rcu_callback)offset);
 }
 
-extern void kfree(const void *);
-
-static inline void __rcu_reclaim(struct rcu_head *head)
-{
-       unsigned long offset = (unsigned long)head->func;
-
-       if (__is_kfree_rcu_offset(offset))
-               kfree((void *)head - offset);
-       else
-               head->func(head);
-}
-
 /**
  * kfree_rcu() - kfree an object after a grace period.
  * @ptr:       pointer to kfree