X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=urcu-qsbr-static.h;h=8735c7fd3fe081f36e86af5cc6292e827ff8802b;hb=bd1a5e15ab6d3e42be1af622bbc53a30f5ae3769;hp=1cac56cb8a561ae509f1f4722a7c94504b914b48;hpb=4f8e33808fdc08d3182a656d509fe42487d19b86;p=urcu.git

diff --git a/urcu-qsbr-static.h b/urcu-qsbr-static.h
index 1cac56c..8735c7f 100644
--- a/urcu-qsbr-static.h
+++ b/urcu-qsbr-static.h
@@ -184,8 +184,10 @@ static inline void reader_barrier()
 extern unsigned long urcu_gp_ctr;
 
 struct urcu_reader {
+	/* Data used by both reader and synchronize_rcu() */
 	unsigned long ctr;
-	struct list_head head;
+	/* Data used for registry */
+	struct list_head head __attribute__((aligned(CACHE_LINE_SIZE)));
 	pthread_t tid;
 };