WARNING: line length of 81 exceeds 80 columns
#88: FILE: arch/x86/net/bpf_jit_comp.c:3400:
+		nr_regs += (((cookie_off - regs_off) / 8) << BPF_TRAMP_M_COOKIE);

WARNING: line length of 83 exceeds 80 columns
#94: FILE: arch/x86/net/bpf_jit_comp.c:3405:
+			       flags & BPF_TRAMP_F_RET_FENTRY_RET, image, rw_image,

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, 0 checks, 75 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 e1f5033b4a87 ("bpf,x86: add tracing session supporting for x86_64") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 0 checks, 75 lines checked