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-rw-r--r--include/linux/rcupdate.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 3bc5de08c0b7..1aa62e1a761b 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -613,6 +613,12 @@ static inline void rcu_preempt_sleep_check(void)
rcu_dereference_sparse(p, space); \
((typeof(*p) __force __kernel *)(p)); \
})
+#define rcu_dereference_raw(p) \
+({ \
+ /* Dependency order vs. p above. */ \
+ typeof(p) ________p1 = lockless_dereference(p); \
+ ((typeof(*p) __force __kernel *)(________p1)); \
+})
/**
* RCU_INITIALIZER() - statically initialize an RCU-protected global variable
@@ -740,8 +746,6 @@ static inline void rcu_preempt_sleep_check(void)
__rcu_dereference_check((p), (c) || rcu_read_lock_sched_held(), \
__rcu)
-#define rcu_dereference_raw(p) rcu_dereference_check(p, 1) /*@@@ needed? @@@*/
-
/*
* The tracing infrastructure traces RCU (we want that), but unfortunately
* some of the RCU checks causes tracing to lock up the system.