[ltt-dev] [PATCH 7/7] urcu, call_rcu: Array initialized before pointer is planted

[Lai Jiangshan]

Signed-off-by: Lai Jiangshan <laijs at cn.fujitsu.com>
---
 urcu-call-rcu-impl.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index 3c68ae7..462139a 100644
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -104,6 +104,10 @@ static void alloc_cpu_call_rcu_data(void)
 	p = malloc(maxcpus * sizeof(*per_cpu_call_rcu_data));
 	if (p != NULL) {
 		memset(p, '\0', maxcpus * sizeof(*per_cpu_call_rcu_data));
+
+		/* Array initialized before pointer is planted. */
+		cmm_smp_mb();
+
 		per_cpu_call_rcu_data = p;
 	} else {
 		if (!warned) {
-- 
1.7.4.4