diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2024-10-09 11:00:43 -0700 |
|---|---|---|
| committer | Frederic Weisbecker <frederic@kernel.org> | 2024-11-12 21:44:59 +0100 |
| commit | de2ad0e72cb0343d151903f97bf7c449fb69a7d1 (patch) | |
| tree | f29576a11562766a139efa4e881e634c44052626 /kernel | |
| parent | a30763800b04e384f4123d984997bf5c6a2179a9 (diff) | |
rcutorture: Test start-poll primitives with interrupts disabled
This commit tests the ->start_poll() and ->start_poll_full() functions
with interrupts disabled, but only for RCU variants setting the
->start_poll_irqsoff flag.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index bb75dbf5c800..b4cb7623a8bf 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -393,6 +393,7 @@ struct rcu_torture_ops { int slow_gps; int no_pi_lock; int debug_objects; + int start_poll_irqsoff; const char *name; }; @@ -581,6 +582,7 @@ static struct rcu_torture_ops rcu_ops = { .can_boost = IS_ENABLED(CONFIG_RCU_BOOST), .extendables = RCUTORTURE_MAX_EXTEND, .debug_objects = 1, + .start_poll_irqsoff = 1, .name = "rcu" }; @@ -1695,14 +1697,22 @@ rcu_torture_fakewriter(void *arg) cur_ops->cond_sync_exp_full(&gp_snap_full); break; case RTWS_POLL_GET: + if (cur_ops->start_poll_irqsoff) + local_irq_disable(); gp_snap = cur_ops->start_gp_poll(); + if (cur_ops->start_poll_irqsoff) + local_irq_enable(); while (!cur_ops->poll_gp_state(gp_snap)) { torture_hrtimeout_jiffies(torture_random(&rand) % 16, &rand); } break; case RTWS_POLL_GET_FULL: + if (cur_ops->start_poll_irqsoff) + local_irq_disable(); cur_ops->start_gp_poll_full(&gp_snap_full); + if (cur_ops->start_poll_irqsoff) + local_irq_enable(); while (!cur_ops->poll_gp_state_full(&gp_snap_full)) { torture_hrtimeout_jiffies(torture_random(&rand) % 16, &rand); |