X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=include%2Flinux%2Frcupdate.h;h=4cf5f51b4c9c43c2900d8fd5fad2ea93f873b33b;hb=02201e3f1b46aed7c6348f406b7b40de80ba6de3;hp=33a056bb886faeedeb9690faefd3a4adeeedd14b;hpb=c11d716218910c3aa2bac1bb641e6086ad649555;p=uclinux-h8%2Flinux.git

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 33a056bb886f..4cf5f51b4c9c 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -633,21 +633,6 @@ static inline void rcu_preempt_sleep_check(void)
 #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
 
 /**
- * lockless_dereference() - safely load a pointer for later dereference
- * @p: The pointer to load
- *
- * Similar to rcu_dereference(), but for situations where the pointed-to
- * object's lifetime is managed by something other than RCU.  That
- * "something other" might be reference counting or simple immortality.
- */
-#define lockless_dereference(p) \
-({ \
-	typeof(p) _________p1 = READ_ONCE(p); \
-	smp_read_barrier_depends(); /* Dependency order vs. p above. */ \
-	(_________p1); \
-})
-
-/**
  * rcu_assign_pointer() - assign to RCU-protected pointer
  * @p: pointer to assign to
  * @v: value to assign (publish)