WARNING: line length of 85 exceeds 80 columns
#156: FILE: tools/lib/bpf/btf.c:5956:
+		err = btf_ext_visit_type_ids(btf_ext, btf_permute_remap_type_id, &p);

WARNING: line length of 91 exceeds 80 columns
#185: FILE: tools/lib/bpf/btf.c:5985:
+		btf->raw_size = btf->hdr->hdr_len + btf->hdr->type_len + btf->hdr->str_len;

ERROR: space prohibited before that ':' (ctx:WxV)
#210: FILE: tools/lib/bpf/btf.h:280:
+	size_t :0;
 	       ^

CHECK: Please use a blank line after function/struct/union/enum declarations
#212: FILE: tools/lib/bpf/btf.h:282:
+};
+#define btf_permute_opts__last_field btf_ext

WARNING: line length of 81 exceeds 80 columns
#222: FILE: tools/lib/bpf/btf.h:292:
+ * **btf__permute()** rearranges BTF types according to the specified ID mapping.

WARNING: line length of 83 exceeds 80 columns
#232: FILE: tools/lib/bpf/btf.h:302:
+ * - @id_map_cnt should be `btf__type_cnt(btf) - btf__type_cnt(btf__base_btf(btf))`

WARNING: line length of 84 exceeds 80 columns
#233: FILE: tools/lib/bpf/btf.h:303:
+ * - Mapping uses `id_map[original_id - btf__type_cnt(btf__base_btf(btf))] = new_id`

WARNING: line length of 84 exceeds 80 columns
#235: FILE: tools/lib/bpf/btf.h:305:
+ * Setting @id_map element to 0 drops the corresponding type. Dropped types must not

WARNING: line length of 81 exceeds 80 columns
#236: FILE: tools/lib/bpf/btf.h:306:
+ * be referenced by any retained types. After permutation, type references in BTF

WARNING: line length of 86 exceeds 80 columns
#239: FILE: tools/lib/bpf/btf.h:309:
+ * Note: Dropping types may orphan some strings, requiring subsequent **btf__dedup()**

total: 1 errors, 8 warnings, 1 checks, 223 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 4d51d954c7ac ("libbpf: Add BTF permutation support for type reordering") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.