WARNING: line length of 90 exceeds 80 columns
#68: FILE: tools/bpf/bpftool/gen.c:95:
+	static const char *sfxs[] = { ".data", ".rodata", ".percpu", ".bss", ".kconfig" };

WARNING: static const char * array should probably be static const char * const
#68: FILE: tools/bpf/bpftool/gen.c:95:
+	static const char *sfxs[] = { ".data", ".rodata", ".percpu", ".bss", ".kconfig" };

WARNING: line length of 90 exceeds 80 columns
#77: FILE: tools/bpf/bpftool/gen.c:120:
+	static const char *pfxs[] = { ".data", ".rodata", ".percpu", ".bss", ".kconfig" };

WARNING: static const char * array should probably be static const char * const
#77: FILE: tools/bpf/bpftool/gen.c:120:
+	static const char *pfxs[] = { ".data", ".rodata", ".percpu", ".bss", ".kconfig" };

WARNING: line length of 82 exceeds 80 columns
#96: FILE: tools/bpf/bpftool/gen.c:232:
+	printf("	}%s *%s;\n", is_percpu ? " __aligned(8)" : "", sec_ident);

WARNING: line length of 90 exceeds 80 columns
#114: FILE: tools/bpf/bpftool/gen.c:291:
+		/* only generate definitions for memory-mapped or .percpu internal maps */

WARNING: line length of 86 exceeds 80 columns
#116: FILE: tools/bpf/bpftool/gen.c:293:
+		if (!is_mmapable_map(map, map_ident, sizeof(map_ident)) && !is_percpu)

WARNING: line length of 99 exceeds 80 columns
#118: FILE: tools/bpf/bpftool/gen.c:295:
+		if (is_percpu && (use_loader || !get_map_ident(map, map_ident, sizeof(map_ident))))

WARNING: line length of 89 exceeds 80 columns
#127: FILE: tools/bpf/bpftool/gen.c:311:
+			err = codegen_datasec_def(obj, btf, d, sec, obj_name, is_percpu);

ERROR: trailing statements should be on next line
#151: FILE: tools/bpf/bpftool/gen.c:1446:
+			if (err)					    \n\

CHECK: spaces preferred around that '%' (ctx:OxV)
#162: FILE: tools/bpf/bpftool/gen.c:1457:
+				printf("\tobj->%s = NULL;\n", ident);
 				               ^

WARNING: Avoid unnecessary line continuations
#167: FILE: tools/bpf/bpftool/gen.c:1462:
+	codegen("\

WARNING: Avoid line continuations in quoted strings
#167: FILE: tools/bpf/bpftool/gen.c:1462:
+	codegen("\

total: 1 errors, 11 warnings, 1 checks, 101 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 463d58f97749 ("bpf, bpftool: Generate skeleton for global percpu data") 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.