On Tue, Sep 29, 2020 at 5:26 AM Alan Maguire <alan.maguire@xxxxxxxxxx> wrote: > > Andrii reports that bpf selftests relying on "struct btf_ptr" and BTF_F_* > values will not build as vmlinux.h for older kernels will not include > "struct btf_ptr" or the BTF_F_* enum values. Undefine and redefine > them to work around this. > > Fixes: b72091bd4ee4 ("selftests/bpf: Add test for bpf_seq_printf_btf helper") > Fixes: 076a95f5aff2 ("selftests/bpf: Add bpf_snprintf_btf helper tests") > Reported-by: Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> > Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx> > --- That works, thanks! Acked-by: Andrii Nakryiko <andriin@xxxxxx> > tools/testing/selftests/bpf/progs/bpf_iter.h | 23 ++++++++++++++++++ > tools/testing/selftests/bpf/progs/btf_ptr.h | 27 ++++++++++++++++++++++ > .../selftests/bpf/progs/netif_receive_skb.c | 2 +- > 3 files changed, 51 insertions(+), 1 deletion(-) > create mode 100644 tools/testing/selftests/bpf/progs/btf_ptr.h > [...]