X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu-defer-static.h;h=dd24c61d85d7885d685323757f83c52c2df2f15f;hb=4ce9e4f28aa6de3f3443066c7a64d12156904d6b;hp=4cfa837e502632cc2f66b8f6cd5fe084efba11c0;hpb=29cdb8d893d97704e4a5c893709e81c3b6da6f63;p=urcu.git

diff --git a/urcu-defer-static.h b/urcu-defer-static.h
index 4cfa837..dd24c61 100644
--- a/urcu-defer-static.h
+++ b/urcu-defer-static.h
@@ -125,6 +125,7 @@ struct defer_queue {
 extern struct defer_queue __thread defer_queue;
 
 extern void rcu_defer_barrier_thread(void);
+extern void wake_up_defer(void);
 
 /*
  * not signal-safe.
@@ -150,7 +151,6 @@ static inline void _rcu_defer_queue(void (*fct)(void *p), void *p)
 		assert(head - LOAD_SHARED(defer_queue.tail) == 0);
 	}
 
-	smp_wmb();	/* Publish new pointer before write q[] */
 	if (unlikely(defer_queue.last_fct_in != fct)) {
 		defer_queue.last_fct_in = fct;
 		if (unlikely(DQ_IS_FCT_BIT(fct) || fct == DQ_FCT_MARK)) {
@@ -181,8 +181,13 @@ static inline void _rcu_defer_queue(void (*fct)(void *p), void *p)
 		}
 	}
 	_STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK], p);
-	smp_wmb();	/* Write q[] before head. */
+	smp_wmb();	/* Publish new pointer before head */
+			/* Write q[] before head. */
 	STORE_SHARED(defer_queue.head, head);
+	/*
+	 * Wake-up any waiting defer thread.
+	 */
+	wake_up_defer();
 }
 
 #endif /* _URCU_DEFER_STATIC_H */