CHECK: Prefer using the BIT macro
#36: FILE: include/linux/kfunc_md.h:6:
+#define KFUNC_MD_FL_TRACING_ORIGIN	(1 << 1)

CHECK: Prefer using the BIT macro
#37: FILE: include/linux/kfunc_md.h:7:
+#define KFUNC_MD_FL_BPF_REMOVING	(1 << 2)

WARNING: line length of 88 exceeds 80 columns
#100: FILE: kernel/trace/kfunc_md.c:144:
+			if (md->bpf_prog_cnt > !!(md->flags & KFUNC_MD_FL_BPF_REMOVING))

WARNING: line length of 93 exceeds 80 columns
#134: FILE: kernel/trace/kfunc_md.c:475:
+		if (md->users && md->bpf_prog_cnt > !!(md->flags & KFUNC_MD_FL_BPF_REMOVING))

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, 3 warnings, 2 checks, 194 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 e0bae5178ee8 ("bpf: make kfunc_md support global trampoline link") 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, 3 warnings, 2 checks, 194 lines checked