On Tue, Mar 30, 2021 at 2:43 AM Lorenz Bauer <lmb@xxxxxxxxxxxxxx> wrote: > > On Thu, 25 Mar 2021 at 01:52, Martin KaFai Lau <kafai@xxxxxx> wrote: > > > > This series adds support to allow bpf program calling kernel function. > > I think there are more build problems with this. Has anyone hit this before? > > $ CLANG=clang-12 O=../kbuild/vm ./tools/testing/selftests/bpf/vmtest.sh -j 7 > > GEN-SKEL [test_progs-no_alu32] bind6_prog.skel.h > libbpf: elf: skipping unrecognized data section(5) .rodata.str1.1 > GEN-SKEL [test_progs-no_alu32] bind_perm.skel.h > libbpf: elf: skipping unrecognized data section(5) .rodata.str1.1 > GEN-SKEL [test_progs-no_alu32] bpf_cubic.skel.h > GEN-SKEL [test_progs-no_alu32] bpf_dctcp.skel.h > GEN-SKEL [test_progs-no_alu32] bpf_flow.skel.h > libbpf: failed to find BTF for extern 'tcp_cong_avoid_ai' [27] section: -2 > Error: failed to open BPF object file: No such file or directory The doc update is on its way: https://patchwork.kernel.org/project/netdevbpf/patch/20210330054156.2933804-1-kafai@xxxxxx/
