WARNING: line length of 98 exceeds 80 columns
#64: FILE: tools/lib/bpf/libbpf.c:9611:
+	SEC_DEF("fsession+",		TRACING, BPF_TRACE_SESSION, SEC_ATTACH_BTF, attach_trace),

WARNING: line length of 114 exceeds 80 columns
#65: FILE: tools/lib/bpf/libbpf.c:9612:
+	SEC_DEF("fsession.s+",		TRACING, BPF_TRACE_SESSION, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_trace),

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, 36 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 2b3ae730a139 ("libbpf: add support for tracing session") 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, 36 lines checked