Re: [PATCH v6 bpf-next 6/7] bpf: introduce bpf_prog_pack allocator

[Alexei Starovoitov]

On Fri, Jan 21, 2022 at 5:01 PM Song Liu <songliubraving@xxxxxx> wrote:
>
> In this way, we need to allocate rw_image here, and free it in
> bpf_jit_comp.c. This feels a little weird to me, but I guess that
> is still the cleanest solution for now.

You mean inside bpf_jit_binary_alloc?
That won't be arch independent.
It needs to be split into generic piece that stays in core.c
and callbacks like bpf_jit_fill_hole_t
or into multiple helpers with prep in-between.
Don't worry if all archs need to be touched.