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.