diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bpf.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 17b2a425e05e..ff0436781293 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -2240,9 +2240,11 @@ struct btf_member; * and its progs. It is unnecessary if the @unreg * has waited for the correct rcu gp or the @unreg * has ensured all struct_ops prog has finished running. - * @free_after_mult_rcu_gp: Same as @free_after_tasks_rcu_gp but waiting for - * both tasks_trace_rcu and regular rcu grace period. - * It is usually needed if the struct_ops has sleepable prog. + * @free_after_mult_rcu_gp: Set to true if the cgroup prog array of this + * struct_ops needs a tasks_trace_rcu gp, besides a + * regular rcu gp, before it is freed. It is usually + * needed if the struct_ops has sleepable prog. A + * struct_ops map always waits for both. */ struct bpf_struct_ops { const struct bpf_verifier_ops *verifier_ops; |