WARNING: line length of 82 exceeds 80 columns
#256: FILE: arch/x86/kernel/ftrace_64.S:501:
+	/* modify_return case, break the loop and skip the origin function call */

WARNING: line length of 87 exceeds 80 columns
#330: FILE: arch/x86/kernel/ftrace_64.S:575:
+	/* call the origin function from the stack, just like BPF_TRAMP_F_ORIG_STACK */

WARNING: line length of 85 exceeds 80 columns
#381: FILE: include/linux/bpf.h:3557:
+u64 __bpf_prog_enter_recur(struct bpf_prog *prog, struct bpf_tramp_run_ctx *run_ctx);

WARNING: line length of 92 exceeds 80 columns
#397: FILE: kernel/bpf/trampoline.c:897:
+u64 notrace __bpf_prog_enter_recur(struct bpf_prog *prog, struct bpf_tramp_run_ctx *run_ctx)

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, 5 warnings, 0 checks, 310 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 f413273b5dd9 ("x86,bpf: add bpf_global_caller for global trampoline") 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, 5 warnings, 0 checks, 310 lines checked