[PATCH v3 0/2] bpftool: improve error handing for missing .BTF section

Display error message for missing ".BTF" section and clean up empty vmlinux.h file.

v3: - fix typo and make error message consistent. (Andrii Nakryiko) - split out perf change. v2: - remove vmlinux specific error info. - use builtin target .DELETE_ON_ERROR: to delete empty vmlinux.h

Changbin Du (2): libbpf: show error info about missing ".BTF" section bpf: makefiles: do not generate empty vmlinux.h

tools/bpf/bpftool/Makefile | 3 +++ tools/lib/bpf/btf.c | 1 + tools/testing/selftests/bpf/Makefile | 3 +++ 3 files changed, 7 insertions(+)