Re: [PATCH bpf-next v4 13/13] bpf: Reject tracing progs for struct_ops with arena args
Eduard Zingerman <[email protected]>
| Newsgroups | org.kernel.vger.bpf |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 2026-08-05 at 23:04 +0200, Kumar Kartikeya Dwivedi wrote:
...
> diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
> index b349e0817184..e07af35ed040 100644
> --- a/kernel/bpf/trampoline.c
> +++ b/kernel/bpf/trampoline.c
> @@ -529,16 +529,6 @@ bpf_trampoline_get_progs(const struct bpf_trampoline *tr, int *total, bool *ip_a
> return tnodes;
> }
>
> -static bool bpf_prog_has_arena_ctx_arg(const struct bpf_prog *prog)
> -{
> - int i;
> -
> - for (i = 0; i < prog->aux->ctx_arg_info_size; i++)
> - if (base_type(prog->aux->ctx_arg_info[i].reg_type) == PTR_TO_ARENA)
> - return true;
> - return false;
> -}
Let's pick one place for this function throughout the series and don't
move it.
Also, a selftest?
...