CHECK: No space is necessary after a cast
#46: FILE: tools/lib/bpf/bpf.c:412:
+	flags = ((__u64) cpu) << 32 | OPTS_GET(opts, flags, 0);

CHECK: No space is necessary after a cast
#64: FILE: tools/lib/bpf/bpf.c:454:
+	flags = ((__u64) cpu) << 32 | OPTS_GET(opts, flags, 0);

WARNING: line length of 83 exceeds 80 columns
#97: FILE: tools/lib/bpf/bpf.h:176:
+LIBBPF_API int bpf_map_update_elem_opts(int fd, const void *key, const void *value,

WARNING: line length of 85 exceeds 80 columns
#98: FILE: tools/lib/bpf/bpf.h:177:
+					const struct bpf_map_update_elem_opts *opts);

WARNING: line length of 85 exceeds 80 columns
#112: FILE: tools/lib/bpf/bpf.h:191:
+					const struct bpf_map_lookup_elem_opts *opts);

CHECK: Please don't use multiple blank lines
#114: FILE: tools/lib/bpf/bpf.h:193:
+
+

CHECK: Please use a blank line after function/struct/union/enum declarations
#123: FILE: tools/lib/bpf/bpf.h:201:
 };
+#define bpf_map_batch_opts__last_field cpu

WARNING: line length of 92 exceeds 80 columns
#284: FILE: tools/lib/bpf/libbpf.h:1187:
+ * @param key_sz size in bytes of key data, needs to match BPF map definition's **key_size**

WARNING: line length of 86 exceeds 80 columns
#303: FILE: tools/lib/bpf/libbpf.h:1206:
+					 const struct bpf_map_lookup_elem_opts *opts);

WARNING: line length of 81 exceeds 80 columns
#313: FILE: tools/lib/bpf/libbpf.h:1233:
+ * @brief **bpf_map__update_elem_opts()** allows to insert or update value in BPF

WARNING: line length of 92 exceeds 80 columns
#317: FILE: tools/lib/bpf/libbpf.h:1237:
+ * @param key_sz size in bytes of key data, needs to match BPF map definition's **key_size**

WARNING: line length of 86 exceeds 80 columns
#329: FILE: tools/lib/bpf/libbpf.h:1249:
+					 const struct bpf_map_update_elem_opts *opts);

total: 0 errors, 8 warnings, 4 checks, 302 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 797b9f46789d ("bpf, libbpf: Support BPF_F_CPU for percpu_array map") 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, 8 warnings, 4 checks, 302 lines checked