WARNING: line length of 111 exceeds 80 columns
#29: FILE: kernel/bpf/verifier.c:11732:
+			verbose(env, "func %s#%d supported only for fentry/fexit/fsession/fmod_ret programs\n",

WARNING: line length of 131 exceeds 80 columns
#65: FILE: kernel/bpf/verifier.c:26016:
+		verbose(env, "Only fentry/fexit/fsession/fmod_ret, lsm, iter, uprobe, and struct_ops programs can be sleepable\n");

WARNING: line length of 117 exceeds 80 columns
#118: FILE: tools/testing/selftests/bpf/verifier/sleepable.c:88:
+	.errstr = "Only fentry/fexit/fsession/fmod_ret, lsm, iter, uprobe, and struct_ops programs can be sleepable",

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, 4 warnings, 0 checks, 80 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 027f87288146 ("bpf: add missing fsession to the verifier log") 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, 4 warnings, 0 checks, 80 lines checked