On Mon, Apr 22, 2024 at 11:19 PM Kumar Kartikeya Dwivedi
<memxor@xxxxxxxxx> wrote:
> @@ -10987,6 +11006,8 @@ enum special_kfunc_type {
> KF_bpf_percpu_obj_drop_impl,
> KF_bpf_throw,
> KF_bpf_iter_css_task_new,
> + KF_bpf_preempt_disable,
> + KF_bpf_preempt_enable,
> };
>
> BTF_SET_START(special_kfunc_set)
> @@ -11043,6 +11064,8 @@ BTF_ID(func, bpf_iter_css_task_new)
> #else
> BTF_ID_UNUSED
> #endif
> +BTF_ID(func, bpf_preempt_disable)
> +BTF_ID(func, bpf_preempt_enable)
I suspect this is broken on !CONFIG_CGROUPS,
since KF_bpf_preempt_disable number won't match the ID in the list.
The simplest fix is to move these two up before bpf_iter_css_task_new.
