[PATCH 2/2] routetorture.h: Switch from ACCESS_ONCE() to READ_ONCE()/WRITE_ONCE()

[Junchang Wang <junchangwang@xxxxxxxxx>]

Signed-off-by: Junchang Wang <junchangwang@xxxxxxxxx>
---
 CodeSamples/defer/routetorture.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/CodeSamples/defer/routetorture.h b/CodeSamples/defer/routetorture.h
index 86693e9..b0d642a 100644
--- a/CodeSamples/defer/routetorture.h
+++ b/CodeSamples/defer/routetorture.h
@@ -104,7 +104,7 @@ void *perftest_reader(void *arg)
 	/* Announce our presence and enter the test loop. */
 	atomic_inc(&nthreads_running);
 	for (;;) {
-		gf = ACCESS_ONCE(goflag);
+		gf = READ_ONCE(goflag);
 		if (gf != GOFLAG_RUN) {
 			if (gf == GOFLAG_STOP)
 				break;
@@ -149,7 +149,7 @@ void perftest(void)
 	pap = malloc(sizeof(*pap) * nreaders);
 	BUG_ON(pap == NULL);
 	atomic_set(&nthreads_running, 0);
-	goflag = GOFLAG_INIT;
+	WRITE_ONCE(goflag, GOFLAG_INIT);
 
 	/* Populate route table. */
 	for (i = 0; i < nelems; i++)
@@ -173,9 +173,9 @@ void perftest(void)
 
 	/* Run the test. */
 	starttime = get_microseconds();
-	ACCESS_ONCE(goflag) = GOFLAG_RUN;
+	WRITE_ONCE(goflag, GOFLAG_RUN);
 	poll(NULL, 0, duration);
-	ACCESS_ONCE(goflag) = GOFLAG_STOP;
+	WRITE_ONCE(goflag, GOFLAG_STOP);
 	starttime = get_microseconds() - starttime;
 	wait_all_threads();
 
@@ -225,7 +225,7 @@ void *stresstest_updater(void *arg)
 	/* Announce our presence and enter the test loop. */
 	atomic_inc(&nthreads_running);
 	for (;;) {
-		gf = ACCESS_ONCE(goflag);
+		gf = READ_ONCE(goflag);
 		if (gf != GOFLAG_RUN) {
 			if (gf == GOFLAG_STOP)
 				break;
@@ -286,7 +286,7 @@ void stresstest(void)
 	pap = malloc(sizeof(*pap) * nupdaters);
 	BUG_ON(pap == NULL);
 	atomic_set(&nthreads_running, 0);
-	goflag = GOFLAG_INIT;
+	WRITE_ONCE(goflag, GOFLAG_INIT);
 
 	for (i = 0; i < nupdaters; i++) {
 		pap[i].myid = i;
@@ -306,9 +306,9 @@ void stresstest(void)
 
 	/* Run the test. */
 	starttime = get_microseconds();
-	ACCESS_ONCE(goflag) = GOFLAG_RUN;
+	WRITE_ONCE(goflag, GOFLAG_RUN);
 	poll(NULL, 0, duration);
-	ACCESS_ONCE(goflag) = GOFLAG_STOP;
+	WRITE_ONCE(goflag, GOFLAG_STOP);
 	starttime = get_microseconds() - starttime;
 	wait_all_threads();
 
-- 
2.7.4

--
To unsubscribe from this list: send the line "unsubscribe perfbook" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html