WARNING: line length of 98 exceeds 80 columns
#57: FILE: include/uapi/linux/bpf.h:1375:
+	BPF_F_CPU	= 8, /* cpu flag for percpu maps, upper 32-bit of flags is a cpu number */

WARNING: line length of 81 exceeds 80 columns
#71: 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
#107: 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
#152: FILE: kernel/bpf/arraymap.c:439:
+			copy_map_value_long(map, per_cpu_ptr(pptr, cpu), value + off);

WARNING: line length of 87 exceeds 80 columns
#159: FILE: kernel/bpf/arraymap.c:446:
+			bpf_obj_free_fields(array->map.record, per_cpu_ptr(pptr, cpu));

WARNING: line length of 97 exceeds 80 columns
#176: FILE: kernel/bpf/syscall.c:136:
+	if (map->map_type == BPF_MAP_TYPE_PERCPU_ARRAY && (flags & (BPF_F_CPU | BPF_F_ALL_CPUS)))

CHECK: Alignment should match open parenthesis
#179: FILE: kernel/bpf/syscall.c:139:
+	else if (map->map_type == BPF_MAP_TYPE_PERCPU_HASH ||
 	    map->map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH ||

WARNING: line length of 84 exceeds 80 columns
#196: FILE: kernel/bpf/syscall.c:1661:
+	if (check_flag && ((u32)flags & ~(BPF_F_LOCK | BPF_F_CPU | BPF_F_ALL_CPUS)))

CHECK: Alignment should match open parenthesis
#206: FILE: kernel/bpf/syscall.c:1671:
+	if ((flags & (BPF_F_CPU | BPF_F_ALL_CPUS)) &&
+		map->map_type != BPF_MAP_TYPE_PERCPU_ARRAY)

WARNING: line length of 98 exceeds 80 columns
#265: FILE: tools/include/uapi/linux/bpf.h:1375:
+	BPF_F_CPU	= 8, /* cpu flag for percpu maps, upper 32-bit of flags is a cpu number */

total: 0 errors, 8 warnings, 2 checks, 200 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 04c8f1d9746c ("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, 2 checks, 200 lines checked