Adding arch_prepare_bpf_trampoline support for aarch64?

[Alexei Starovoitov]

On Wed, Dec 29, 2021 at 2:12 AM Huichun Feng <foxhoundsk.tw at gmail.com> wrote:
>
> Hi Jean and the list,
>
> Attaching BPF to fentry/fexit hooks requires
> arch_prepare_bpf_trampoline(), which
> AFAIK has only been implemented on x86. Is there any related ongoing patch for
> aarch64?
>
> I've found a discussion [0] on this, and seems there has no further discussion.

No patches have been posted since then.
If you have cycles to pick up this work it would be awesome!

> Any thoughts?
>
> Thanks!
> Huichun
>
> [0] https://www.spinics.net/lists/bpf/msg35573.html