WARNING: line length of 81 exceeds 80 columns
#78: 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
#114: 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
#157: 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
#158: 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
#163: FILE: kernel/bpf/arraymap.c:444:
+			bpf_obj_free_fields(array->map.record, per_cpu_ptr(pptr, cpu));

CHECK: Alignment should match open parenthesis
#200: FILE: kernel/bpf/syscall.c:1669:
+	if (((u32)attr->flags & ~(BPF_F_LOCK | BPF_F_CPU)) ||
+		(!((u32)attr->flags & BPF_F_CPU) && attr->flags >> 32))

CHECK: Alignment should match open parenthesis
#244: FILE: kernel/bpf/syscall.c:1962:
+	if ((elem_flags & BPF_F_CPU) &&
+		map->map_type != BPF_MAP_TYPE_PERCPU_ARRAY)

WARNING: line length of 82 exceeds 80 columns
#258: FILE: kernel/bpf/syscall.c:1992:
+		err = bpf_map_update_value(map, map_file, key, value, elem_flags);

CHECK: Alignment should match open parenthesis
#283: FILE: kernel/bpf/syscall.c:2029:
+	if ((elem_flags & BPF_F_CPU) &&
+		map->map_type != BPF_MAP_TYPE_PERCPU_ARRAY)

total: 0 errors, 6 warnings, 3 checks, 274 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 20aa318c481c ("bpf: Introduce BPF_F_CPU flag 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, 6 warnings, 3 checks, 274 lines checked