WARNING: line length of 81 exceeds 80 columns
#69: FILE: kernel/bpf/arraymap.c:298:
+int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value, u64 flags)

WARNING: line length of 86 exceeds 80 columns
#105: FILE: kernel/bpf/arraymap.c:328:
+			copy_map_value_long(map, value + off, per_cpu_ptr(pptr, cpu));

WARNING: line length of 86 exceeds 80 columns
#148: FILE: kernel/bpf/arraymap.c:438:
+			copy_map_value_long(map, per_cpu_ptr(pptr, cpu), value + off);

WARNING: line length of 86 exceeds 80 columns
#149: FILE: kernel/bpf/arraymap.c:439:
+			/* same user-provided value is used if BPF_F_CPU is specified,

WARNING: line length of 87 exceeds 80 columns
#154: FILE: kernel/bpf/arraymap.c:444:
+			bpf_obj_free_fields(array->map.record, per_cpu_ptr(pptr, cpu));

WARNING: line length of 86 exceeds 80 columns
#253: FILE: kernel/bpf/syscall.c:1963:
+	if ((flags & BPF_F_LOCK) && !btf_record_has_field(map->record, BPF_SPIN_LOCK))

WARNING: line length of 94 exceeds 80 columns
#295: FILE: kernel/bpf/syscall.c:2015:
+		err = bpf_map_update_value(map, map_file, key, value, attr->batch.elem_flags);

WARNING: line length of 82 exceeds 80 columns
#325: FILE: kernel/bpf/syscall.c:2080:
+		err = bpf_map_copy_value(map, key, value, attr->batch.elem_flags);

total: 0 errors, 8 warnings, 0 checks, 287 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 c5e972f3d22e ("bpf: Introduce BPF_F_CPU flag for percpu_array maps") 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, 0 checks, 287 lines checked