diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/helpers.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index a4f039cee88b..0458597134da 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -1276,12 +1276,24 @@ static void bpf_async_cb_rcu_tasks_trace_free(struct rcu_head *rcu) bpf_async_cb_rcu_free(rcu); } +static void worker_for_call_rcu(struct irq_work *work) +{ + struct bpf_async_cb *cb = container_of(work, struct bpf_async_cb, worker); + + call_rcu_tasks_trace(&cb->rcu, bpf_async_cb_rcu_tasks_trace_free); +} + static void bpf_async_refcount_put(struct bpf_async_cb *cb) { if (!refcount_dec_and_test(&cb->refcnt)) return; - call_rcu_tasks_trace(&cb->rcu, bpf_async_cb_rcu_tasks_trace_free); + if (irqs_disabled()) { + cb->worker = IRQ_WORK_INIT(worker_for_call_rcu); + irq_work_queue(&cb->worker); + } else { + call_rcu_tasks_trace(&cb->rcu, bpf_async_cb_rcu_tasks_trace_free); + } } static void bpf_async_cancel_and_free(struct bpf_async_kern *async); |