Re: [RFC PATCH RESEND bpf-next 0/4] Support bpf trampoline for RV64

From: Björn Töpel
Date: Thu Dec 22 2022 - 08:00:44 EST


Pu Lehui <pulehui@xxxxxxxxxxxxxxx> writes:

> BPF trampoline is the critical infrastructure of the bpf
> subsystem, acting as a mediator between kernel functions
> and BPF programs. Numerous important features, such as
> using ebpf program for zero overhead kernel introspection,
> rely on this key component. We can't wait to support bpf
> trampoline on RV64. The implementation of bpf trampoline
> was closely to x86 and arm64 for future development.

Thank you for working on this! BPF trampoline is the "missing piece"
from getting proper kfunc support.

Unfortunately, I wont be able to do a proper review until next week.


Happy holidays,
Björn