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| author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2026-07-07 14:34:42 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2026-09-03 10:55:25 -0700 |
| commit | 4bd7f458229a3d63687f9d3178e2e073bcbed47e (patch) | |
| tree | 35e620cb6eb4fbff55965ff3643ccb497b847092 | |
| parent | ac473729f3d7629199269ceb55922eac77535346 (diff) | |
| download | linux-next-4bd7f458229a3d63687f9d3178e2e073bcbed47e.tar.gz linux-next-4bd7f458229a3d63687f9d3178e2e073bcbed47e.zip | |
hazptrtorture: Detach deferred and IPIed hazard pointers
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 <mathieu.desnoyers@efficios.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Boqun Feng <boqun@kernel.org>
Cc: <rcu@vger.kernel.org>
Cc: <lkmm@lists.linux.dev>
| -rw-r--r-- | kernel/rcu/hazptrtorture.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/hazptrtorture.c b/kernel/rcu/hazptrtorture.c index a72375cb3221..e21c5ce3d4dc 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); |