On Fri, 31 Oct 2025 at 21:57, Jose E. Marchesi <[email protected]> wrote: > > > > On Tue, 28 Oct 2025 at 23:18, Jose E. Marchesi <[email protected]> > > wrote: > >> > >> > >> A question, bpftool is listed as a DEPENDENCY to > >> > >> 1) Generate vmlinux.h and > >> 2) Generate skeletons when you do make check-bpf ... > >> > >> The bpftool in my Devuan system is too old, so it doesn't understand the > >> skeleton gen command. > >> > >> Since bpftool is part of the kernel, would it be possible for > >> bpf-vmtest-tool to also build it, make it available, generate vmlinux.h, > >> etc? > >> > > > > I can definitely add that. Would you prefer bpftool to be installed in > > the shell’s $PATH, or just for internal use by the tool? > > But, how should we handle which bpftool version to use? Should I store > > a separate bpftool build for each kernel version, or have a single > > shared one? > > > > I haven’t run into issues using Fedora’s bpftool with 6.x kernels, but > > behavior across major releases might vary, so it might indeed be best > > to use the bpftool build from that kernel version’s source. thoughts > > ? > > AFAIK each kernel provides its own bpftool in linux/tools/bpf/bpftool, > so I would build it and make it available for internal use.
sure, i would also generate the vmlinux.h from the kernel image so that we don't depend on any host vmlinux.h
