X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu-qsbr.c;h=3f21be3160731979b6f39455b1202ccf00849237;hb=8f50d1ce191ad5f85384c0afbf1ac5b7516ea79f;hp=b387536adc6ef923d8254934b41955389002f0fc;hpb=4e27f05811113a4444d142811d38e77bcbabbf04;p=urcu.git

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index b387536..3f21be3 100644
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -106,11 +106,6 @@ static void force_mb_single_thread(struct reader_registry *index)
 }
 #endif /* #ifdef HAS_INCOHERENT_CACHES */
 
-static void force_mb_all_threads(void)
-{
-	smp_mb();
-}
-
 static void wait_for_quiescent_state(void)
 {
 	struct reader_registry *index;
@@ -153,18 +148,18 @@ void synchronize_rcu(void)
 	 * our own quiescent state. This allows using synchronize_rcu() in
 	 * threads registered as readers.
 	 */
+	smp_mb();
 	if (was_online)
-		_rcu_thread_offline();
+		STORE_SHARED(rcu_reader_qs_gp, 0);
 
-	force_mb_all_threads();
 	internal_urcu_lock();
 	STORE_SHARED(urcu_gp_ctr, urcu_gp_ctr + 2);
 	wait_for_quiescent_state();
 	internal_urcu_unlock();
-	force_mb_all_threads();
 
 	if (was_online)
-		_rcu_thread_online();
+		_STORE_SHARED(rcu_reader_qs_gp, LOAD_SHARED(urcu_gp_ctr) + 1);
+	smp_mb();
 }
 
 /*