From: Peter Zijlstra <pet...@infradead.org> For the paranoid amongst us GCC would be in its right to use byte stores to write our NULL value, tell it not to do that.
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com> --- include/linux/rcupdate.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index def6d45ad61c..c63428c1ed8a 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -995,7 +995,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) #define RCU_INIT_POINTER(p, v) \ do { \ rcu_dereference_sparse(p, __rcu); \ - p = RCU_INITIALIZER(v); \ + WRITE_ONCE(p, RCU_INITIALIZER(v)); \ } while (0) /** -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/