==========
checkpatch - FAILED

WARNING: line length of 94 exceeds 80 columns
#109: FILE: tools/bpf/bpftool/btf.c:478:
+	printf("#define ATTR_PRESERVE_ACCESS_INDEX __attribute__((preserve_access_index))\n");

WARNING: line length of 88 exceeds 80 columns
#120: FILE: tools/bpf/bpftool/btf.c:488:
+			err = btf_dump__dump_type_with_opts(d, root_type_ids[i], &opts);

ERROR: space prohibited before that ':' (ctx:WxV)
#154: FILE: tools/lib/bpf/btf.h:256:
+	size_t :0;
 	       ^

CHECK: Please use a blank line after function/struct/union/enum declarations
#156: FILE: tools/lib/bpf/btf.h:258:
+};
+#define btf_dump_type_opts__last_field record_attrs_str

WARNING: line length of 84 exceeds 80 columns
#159: FILE: tools/lib/bpf/btf.h:261:
+					     const struct btf_dump_type_opts *opts);

ERROR: code indent should use tabs where possible
#175: FILE: tools/lib/bpf/btf_dump.c:122:
+         */$

total: 2 errors, 3 warnings, 1 checks, 104 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.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Commit a89d36372ef2 ("bpf: avoid clang-specific push/pop attribute pragmas in bpftool") 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.