[PATCH 1/2] count_stat_eventual: Switch from ACCESS_ONCE() to READ_ONCE()/WRITE_ONCE()

[Junchang Wang <junchangwang@xxxxxxxxx>]

Signed-off-by: Junchang Wang <junchangwang@xxxxxxxxx>
---
 CodeSamples/count/count_stat_eventual.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/CodeSamples/count/count_stat_eventual.c b/CodeSamples/count/count_stat_eventual.c
index 059ab8b..cbde4aa 100644
--- a/CodeSamples/count/count_stat_eventual.c
+++ b/CodeSamples/count/count_stat_eventual.c
@@ -27,12 +27,12 @@ int stopflag;
 
 void inc_count(void)
 {
-	ACCESS_ONCE(__get_thread_var(counter))++;
+	READ_ONCE(__get_thread_var(counter))++;
 }
 
 unsigned long read_count(void)
 {
-	return ACCESS_ONCE(global_count);
+	return READ_ONCE(global_count);
 }
 
 void *eventual(void *arg)
@@ -43,8 +43,8 @@ void *eventual(void *arg)
 	while (stopflag < 3) {
 		sum = 0;
 		for_each_thread(t)
-			sum += ACCESS_ONCE(per_thread(counter, t));
-		ACCESS_ONCE(global_count) = sum;
+			sum += READ_ONCE(per_thread(counter, t));
+		WRITE_ONCE(global_count, sum);
 		poll(NULL, 0, 1);
 		if (stopflag) {
 			smp_mb();
-- 
2.7.4

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