WARNING: line length of 81 exceeds 80 columns
#41: FILE: include/linux/bpf.h:2720:
+int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value, u64 flags);

WARNING: line length of 81 exceeds 80 columns
#72: FILE: kernel/bpf/hashtab.c:955:
+			htab->map.value_size : round_up(htab->map.value_size, 8);

WARNING: line length of 88 exceeds 80 columns
#85: FILE: kernel/bpf/hashtab.c:966:
+			ptr = (map_flags & BPF_F_ALL_CPUS) ? value : value + size * cpu;

WARNING: line length of 83 exceeds 80 columns
#111: FILE: kernel/bpf/hashtab.c:1003:
+					 struct htab_elem *old_elem, u64 map_flags)

WARNING: line length of 97 exceeds 80 columns
#141: FILE: kernel/bpf/hashtab.c:1285:
+	if (unlikely(onallcpus && ((map_flags & BPF_F_LOCK) || (u32)map_flags > BPF_F_ALL_CPUS)))

WARNING: line length of 82 exceeds 80 columns
#160: FILE: kernel/bpf/hashtab.c:1321:
+					hash, percpu, onallcpus, NULL, map_flags);

WARNING: line length of 97 exceeds 80 columns
#172: FILE: kernel/bpf/hashtab.c:1350:
+	if (unlikely(onallcpus && ((map_flags & BPF_F_LOCK) || (u32)map_flags > BPF_F_ALL_CPUS)))

WARNING: line length of 92 exceeds 80 columns
#236: FILE: kernel/bpf/hashtab.c:1829:
+				copy_map_value(&htab->map, dst_val, per_cpu_ptr(pptr, cpu));

WARNING: line length of 86 exceeds 80 columns
#240: FILE: kernel/bpf/hashtab.c:1833:
+					copy_map_value_long(&htab->map, dst_val + off,

WARNING: line length of 84 exceeds 80 columns
#241: FILE: kernel/bpf/hashtab.c:1834:
+							    per_cpu_ptr(pptr, cpu));

WARNING: line length of 92 exceeds 80 columns
#242: FILE: kernel/bpf/hashtab.c:1835:
+					check_and_init_map_value(&htab->map, dst_val + off);

WARNING: line length of 84 exceeds 80 columns
#253: FILE: kernel/bpf/hashtab.c:2393:
+int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value, u64 map_flags)

total: 0 errors, 12 warnings, 0 checks, 231 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 158ce5c577ca ("bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_hash and lru_percpu_hash 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, 12 warnings, 0 checks, 231 lines checked