WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#45: 
new file mode 100644

WARNING: line length of 82 exceeds 80 columns
#120: FILE: include/linux/kfunc_md.h:71:
+static __always_inline notrace struct kfunc_md *kfunc_md_get_rcu(unsigned long ip)

CHECK: Please use a blank line after function/struct/union/enum declarations
#179: FILE: kernel/bpf/kfunc_md.c:21:
+};
+struct kfunc_md_array __rcu *kfunc_mds = &default_mds;

WARNING: line length of 87 exceeds 80 columns
#229: FILE: kernel/bpf/kfunc_md.c:71:
+static struct kfunc_md *__kfunc_md_create(struct kfunc_md_array *mds, unsigned long ip,

WARNING: line length of 83 exceeds 80 columns
#299: FILE: kernel/bpf/kfunc_md.c:141:
+			new_md = __kfunc_md_create(new_mds, md->func, md->nr_args);

WARNING: line length of 88 exceeds 80 columns
#307: FILE: kernel/bpf/kfunc_md.c:149:
+			memcpy(new_md->bpf_progs, md->bpf_progs, sizeof(md->bpf_progs));

WARNING: line length of 83 exceeds 80 columns
#344: FILE: kernel/bpf/kfunc_md.c:186:
+	if (atomic_read(&kfunc_mds->used) * 10 < (1 << (kfunc_mds->hash_bits)) * 9)

CHECK: Unnecessary parentheses around 'kfunc_mds->hash_bits'
#344: FILE: kernel/bpf/kfunc_md.c:186:
+	if (atomic_read(&kfunc_mds->used) * 10 < (1 << (kfunc_mds->hash_bits)) * 9)

WARNING: line length of 83 exceeds 80 columns
#352: FILE: kernel/bpf/kfunc_md.c:194:
+	if (atomic_read(&kfunc_mds->used) * 10 > (1 << (kfunc_mds->hash_bits)) * 3)

CHECK: Unnecessary parentheses around 'kfunc_mds->hash_bits'
#352: FILE: kernel/bpf/kfunc_md.c:194:
+	if (atomic_read(&kfunc_mds->used) * 10 > (1 << (kfunc_mds->hash_bits)) * 3)

CHECK: Alignment should match open parenthesis
#501: FILE: kernel/bpf/kfunc_md.c:343:
+	WRITE_ONCE(md->bpf_origin_call, progs[BPF_TRAMP_MODIFY_RETURN] ||
+					progs[BPF_TRAMP_FEXIT]);

WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong <menglong8.dong@gmail.com>' != 'Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>'

total: 0 errors, 8 warnings, 4 checks, 450 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 ca32a5926833 ("bpf: add function hash table for tracing-multi") 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, 4 checks, 450 lines checked