WARNING: line length of 81 exceeds 80 columns
#41: FILE: include/linux/bpf.h:2699:
+int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value, u64 flags);

WARNING: line length of 87 exceeds 80 columns
#73: FILE: kernel/bpf/hashtab.c:951:
+			copy_map_value_long(&htab->map, per_cpu_ptr(pptr, cpu), value);

WARNING: line length of 83 exceeds 80 columns
#110: FILE: kernel/bpf/hashtab.c:998:
+					 struct htab_elem *old_elem, u64 map_flags)

WARNING: line length of 82 exceeds 80 columns
#155: FILE: kernel/bpf/hashtab.c:1314:
+					hash, percpu, onallcpus, NULL, map_flags);

WARNING: line length of 90 exceeds 80 columns
#189: FILE: kernel/bpf/hashtab.c:1713:
+		ret = bpf_map_check_op_flags(map, elem_map_flags, BPF_F_LOCK | BPF_F_CPU);

WARNING: line length of 94 exceeds 80 columns
#206: FILE: kernel/bpf/hashtab.c:1745:
+		value_size = (elem_map_flags & BPF_F_CPU) ? size : size * num_possible_cpus();

WARNING: line length of 97 exceeds 80 columns
#220: FILE: kernel/bpf/hashtab.c:1829:
+				copy_map_value_long(&htab->map, dst_val, per_cpu_ptr(pptr, cpu));

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

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

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

WARNING: line length of 84 exceeds 80 columns
#237: 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, 11 warnings, 0 checks, 215 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 c8f0bda8eab0 ("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, 11 warnings, 0 checks, 215 lines checked