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rcutorture: Test call_srcu() with preemption disabled and not

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This commit tests invoking call_srcu() with preemption both enabled
and disabled, via acquiring of pi lock.

[ Joel: reword commit message. ]

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
This commit is contained in:
Paul E. McKenney
2026-03-14 06:18:48 -07:00
committed by Joel Fernandes
parent ab875b3e17
commit 95c7d025cc
1 changed files with 7 additions and 0 deletions
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7
kernel/rcu/rcutorture.c
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@@ -842,7 +842,14 @@ static unsigned long srcu_torture_completed(void)
static void srcu_torture_deferred_free(struct rcu_torture *rp)
{
unsigned long flags;
bool lockit = jiffies & 0x1;
if (lockit)
raw_spin_lock_irqsave(&current->pi_lock, flags);
call_srcu(srcu_ctlp, &rp->rtort_rcu, rcu_torture_cb);
if (lockit)
raw_spin_unlock_irqrestore(&current->pi_lock, flags);
}
static void srcu_torture_synchronize(void)