WARNING: line length of 94 exceeds 80 columns
#58: FILE: tools/lib/bpf/libbpf.c:6779:
+		BTF_TYPE_ENC(1 /* "a" */, BTF_INFO_ENC(BTF_KIND_FUNC, 0, BTF_FUNC_GLOBAL), 3),

WARNING: line length of 94 exceeds 80 columns
#63: FILE: tools/lib/bpf/libbpf.c:6784:
+		BTF_TYPE_ENC(3 /* "b" */, BTF_INFO_ENC(BTF_KIND_FUNC, 0, BTF_FUNC_GLOBAL), 5),

CHECK: spaces preferred around that '+' (ctx:BxV)
#69: FILE: tools/lib/bpf/libbpf.c:6790:
+		BPF_CALL_REL(+1),
 		             ^

WARNING: line length of 88 exceeds 80 columns
#85: FILE: tools/lib/bpf/libbpf.c:6806:
+	btf_fd = libbpf__load_raw_btf((char *)types, sizeof(types), strs, sizeof(strs));

WARNING: line length of 92 exceeds 80 columns
#131: FILE: tools/testing/selftests/bpf/prog_tests/test_global_funcs.c:57:
+	if (btf__find_by_name_kind(kern_btf, "bpf_subprog_arg_info", BTF_KIND_STRUCT) > 0) {

total: 0 errors, 4 warnings, 1 checks, 98 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 8e815dc6993a ("libbpf: feature-detect arg:ctx tag support in kernel") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 4 warnings, 1 checks, 98 lines checked