Re: [PATCH bpf-next v3 0/6] bpf trampoline support "jmp" mode

Alexei Starovoitov
2025-11-19T00:28:40Z

On Tue, Nov 18, 2025 at 4:36 AM Menglong Dong <menglong8.dong@gmail.com> wrote:
>
> As we can see above, the performance of fexit increase from 80.544M/s to
> 136.540M/s, and the "fmodret" increase from 78.301M/s to 159.248M/s.

Nice! Now we're talking.

I think arm64 CPUs have a similar RSB-like return address predictor.
Do we need to do something similar there?
The question is not targeted to you, Menglong,
just wondering.