WARNING: line length of 98 exceeds 80 columns
#125: FILE: kernel/bpf/trampoline.c:653:
+#if defined(CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS) && defined(CONFIG_ARCH_HAS_BPF_GLOBAL_CALLER)

WARNING: line length of 82 exceeds 80 columns
#188: FILE: kernel/bpf/trampoline.c:716:
+			bpf_gtrampoline_remove(md->tramp, link->link.prog, false);

CHECK: Please don't use multiple blank lines
#206: FILE: kernel/bpf/trampoline.c:734:
+
+

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, 1 checks, 268 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 f7e1da6fd8e7 ("bpf: introduce bpf_gtramp_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, 1 checks, 268 lines checked