2023-07-17 18:48:17

by Paul E. McKenney

[permalink] [raw]
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 <[email protected]>
---
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