2020-06-17 09:18 UTC-0700 ~ Andrii Nakryiko <andriin@xxxxxx> > Build minimal "bootstrap mode" bpftool to enable skeleton (and, later, > vmlinux.h generation), instead of building almost complete, but slightly > different (w/o skeletons, etc) bpftool to bootstrap complete bpftool build. > > Current approach doesn't scale well (engineering-wise) when adding more BPF > programs to bpftool and other complicated functionality, as it requires > constant adjusting of the code to work in both bootstrapped mode and normal > mode. > > So it's better to build only minimal bpftool version that supports only BPF > skeleton code generation and BTF-to-C conversion. Thankfully, this is quite > easy to accomplish due to internal modularity of bpftool commands. This will > also allow to keep adding new functionality to bpftool in general, without the > need to care about bootstrap mode for those new parts of bpftool. > > Signed-off-by: Andrii Nakryiko <andriin@xxxxxx> Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
