This patch set makes some changes to cleanup the unused bits in BTF uapi. It also makes the btf_header extensible.
Please see individual patches for details. Martin KaFai Lau (7): bpf: Expose check_uarg_tail_zero() bpf: btf: Change how section is supported in btf_header bpf: btf: Check array->index_type bpf: btf: Remove unused bits from uapi/linux/btf.h bpf: btf: Rename btf_key_id and btf_value_id in bpf_map_info bpf: btf: Sync bpf.h and btf.h to tools/include/uapi/linux/ bpf: btf: Add tests for the btf uapi changes include/linux/bpf.h | 6 +- include/uapi/linux/bpf.h | 8 +- include/uapi/linux/btf.h | 28 +- kernel/bpf/arraymap.c | 2 +- kernel/bpf/btf.c | 318 ++++++++++++++------ kernel/bpf/syscall.c | 32 +- tools/include/uapi/linux/bpf.h | 8 +- tools/include/uapi/linux/btf.h | 28 +- tools/lib/bpf/bpf.c | 4 +- tools/lib/bpf/bpf.h | 4 +- tools/lib/bpf/btf.c | 5 +- tools/lib/bpf/libbpf.c | 34 +-- tools/lib/bpf/libbpf.h | 4 +- tools/testing/selftests/bpf/test_btf.c | 528 ++++++++++++++++++++++++++------- 14 files changed, 724 insertions(+), 285 deletions(-) -- 2.9.5
