linux-kernel - [PATCH rcu 6/9] torture: Move torture

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Date:   Mon, 17 Jul 2023 11:20:39 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...a.com,
        rostedt@...dmis.org, "Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH rcu 6/9] torture: Move torture_shuffle() timeouts to hrtimers

In order to gain better race coverage, move the CPU-migration timed
waits in torture_shuffle() to torture_hrtimeout_jiffies().

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 kernel/torture.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/torture.c b/kernel/torture.c
index fc873116a399..3ab4930b9fdb 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -560,9 +560,11 @@ static void torture_shuffle_tasks(void)
  */
 static int torture_shuffle(void *arg)
 {
+	DEFINE_TORTURE_RANDOM(rand);
+
 	VERBOSE_TOROUT_STRING("torture_shuffle task started");
 	do {
-		schedule_timeout_interruptible(shuffle_interval);
+		torture_hrtimeout_jiffies(shuffle_interval, &rand);
 		torture_shuffle_tasks();
 		torture_shutdown_absorb("torture_shuffle");
 	} while (!torture_must_stop());
-- 
2.40.1