[PATCH bpf-next 0/6] Introduce BTF ID

[Martin KaFai Lau <kafai@fb.com>]

This series introduces BTF ID which is exposed through
the new BPF_BTF_GET_FD_BY_ID cmd, new "struct bpf_btf_info"
and new members in the "struct bpf_map_info".

Please see individual patch for details.

Martin KaFai Lau (6):
  bpf: btf: Avoid WARN_ON when CONFIG_REFCOUNT_FULL=y
  bpf: btf: Introduce BTF ID
  bpf: btf: Add struct bpf_btf_info
  bpf: btf: Some test_btf clean up
  bpf: btf: Update tools/include/uapi/linux/btf.h with BTF ID
  bpf: btf: Tests for BPF_OBJ_GET_INFO_BY_FD and BPF_BTF_GET_FD_BY_ID

 include/linux/btf.h                    |   2 +
 include/uapi/linux/bpf.h               |  11 +
 kernel/bpf/btf.c                       | 136 ++++++++--
 kernel/bpf/syscall.c                   |  41 ++-
 tools/include/uapi/linux/bpf.h         |  11 +
 tools/lib/bpf/bpf.c                    |  10 +
 tools/lib/bpf/bpf.h                    |   1 +
 tools/testing/selftests/bpf/test_btf.c | 478 +++++++++++++++++++++++++--------
 8 files changed, 563 insertions(+), 127 deletions(-)

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2.9.5