Re: [PATCH bpf-next v2 00/13] bpf: Kernel functions with KF_IMPLICIT_ARGS

[Eduard Zingerman]

On Fri, 2026-01-16 at 12:16 -0800, Ihor Solodrai wrote:

[...]

> v1->v2:
>   - Replace the following kernel functions with KF_IMPLICIT_ARGS version:
>     - bpf_stream_vprintk_impl -> bpf_stream_vprintk
>     - bpf_task_work_schedule_resume_impl -> bpf_task_work_schedule_resume
>     - bpf_task_work_schedule_signal_impl -> bpf_task_work_schedule_signal
>     - bpf_wq_set_callback_impl -> bpf_wq_set_callback_impl

Just to clarify my understanding, this is a breaking change, right?
E.g. bpf_stream_vprintk_impl is no longer in vmlinux.h and on a load
attempt an error is reported:

  kfunc 'bpf_stream_vprintk_impl' is referenced but wasn't resolved

Maybe call it out explicitly in the cover letter?