X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu-qsbr.c;h=b387536adc6ef923d8254934b41955389002f0fc;hb=4e27f05811113a4444d142811d38e77bcbabbf04;hp=e077eac8f2b4b4bc7c44cadaf0f96d012be60fe3;hpb=4e560c1794fe68ca77ae9bcaa60c5e4f5ed0856e;p=userspace-rcu.git

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index e077eac..b387536 100644
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -156,12 +156,12 @@ void synchronize_rcu(void)
 	if (was_online)
 		_rcu_thread_offline();
 
-	internal_urcu_lock();
 	force_mb_all_threads();
+	internal_urcu_lock();
 	STORE_SHARED(urcu_gp_ctr, urcu_gp_ctr + 2);
 	wait_for_quiescent_state();
-	force_mb_all_threads();
 	internal_urcu_unlock();
+	force_mb_all_threads();
 
 	if (was_online)
 		_rcu_thread_online();