From: Mathieu Desnoyers <[email protected]> Pass to hazptr_detach() those hazard pointers that are to be released in some other task or within the context of an IPI handler.
[ paulmck: s/hazptr_detach_from_task/hazptr_detach/ per Mathieu. ] Signed-off-by: Mathieu Desnoyers <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcu/hazptrtorture.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/rcu/hazptrtorture.c b/kernel/rcu/hazptrtorture.c index 311b387d6ae755..ac0cb5b9f4f0f6 100644 --- a/kernel/rcu/hazptrtorture.c +++ b/kernel/rcu/hazptrtorture.c @@ -411,6 +411,7 @@ hazptr_torture_reader_tail(struct hazptr_pending *hppp, struct torture_random_st preempt_enable(); if (irq_release && !(torture_random(trsp) % irq_release)) { guard(preempt)(); + hazptr_detach(&hppp->hpp_hc); cpu = cpumask_next_wrap(smp_processor_id(), cpu_online_mask); smp_call_function_single(cpu, hazptr_torture_release, hppp, 1); } else { @@ -428,6 +429,7 @@ static void hazptr_torture_defer(struct hazptr_pending *hppp, struct torture_ran struct llist_head *llhp; guard(preempt)(); + hazptr_detach(&hppp->hpp_hc); cpu = cpumask_next_wrap(cpu, cpu_online_mask); llhp = per_cpu_ptr(&hazptr_pending, cpu); llist_add(&hppp->hpp_node, llhp); -- 2.40.1
