diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2025-12-29 11:13:53 -0800 |
|---|---|---|
| committer | Boqun Feng <boqun.feng@gmail.com> | 2026-01-01 16:43:21 +0800 |
| commit | e8a534a6718c3ac99823a61230139555672112a1 (patch) | |
| tree | b892c19dda9ba1a5a7daf32aebc0591903b4e5d6 /kernel | |
| parent | 8f0b4cce4481fb22653697cced8d0d04027cb1e8 (diff) | |
rcutorture: Add context checks to rcu_torture_timer()
This commit adds irq, NMI, and softirq context checks to the
rcu_torture_timer() function. Just because you are paranoid does not
mean that they are not out to get you... ;-)
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 07e51974b06b..d24b5c199e3b 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -2455,6 +2455,9 @@ static DEFINE_TORTURE_RANDOM_PERCPU(rcu_torture_timer_rand); */ static void rcu_torture_timer(struct timer_list *unused) { + WARN_ON_ONCE(!in_serving_softirq()); + WARN_ON_ONCE(in_hardirq()); + WARN_ON_ONCE(in_nmi()); atomic_long_inc(&n_rcu_torture_timers); (void)rcu_torture_one_read(this_cpu_ptr(&rcu_torture_timer_rand), -1); |