WARNING: Prefer 'fallthrough;' over fallthrough comment
#113: FILE: kernel/bpf/verifier.c:16058:
+		/* FALLTHROUGH from t already processed */

WARNING: line length of 86 exceeds 80 columns
#155: FILE: tools/testing/selftests/bpf/progs/verifier_precision.c:109:
+__msg("mark_precise: frame0: parent state regs=r0 stack=:  R0_rw=P6 R1=ctx() R10=fp0")

WARNING: line length of 83 exceeds 80 columns
#163: FILE: tools/testing/selftests/bpf/progs/verifier_precision.c:114:
+__msg("mark_precise: frame0: regs=r0 stack= before 1: (35) if r0 >= 0xa goto pc+3")

WARNING: line length of 84 exceeds 80 columns
#164: FILE: tools/testing/selftests/bpf/progs/verifier_precision.c:115:
+__msg("mark_precise: frame0: parent state regs= stack=:  R0_rw=P4 R1=ctx() R10=fp0")

total: 0 errors, 4 warnings, 0 checks, 67 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 15c7a945756e ("bpf: force checkpoints at loop back-edges") 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, 4 warnings, 0 checks, 67 lines checked