WARNING: line length of 96 exceeds 80 columns
#40: FILE: kernel/bpf/liveness.c:300:
+static int mark_stack_read(struct func_instance *instance, u32 frame, u32 insn_idx, spis_t mask)

WARNING: line length of 89 exceeds 80 columns
#55: FILE: kernel/bpf/liveness.c:322:
+	err = err ?: mark_stack_read(env->liveness->cur_instance, frame, insn_idx, mask);

WARNING: line length of 97 exceeds 80 columns
#61: FILE: kernel/bpf/liveness.c:326:
+static void reset_stack_write_marks(struct bpf_verifier_env *env, struct func_instance *instance)

WARNING: line length of 105 exceeds 80 columns
#111: FILE: kernel/bpf/liveness.c:403:
+	return commit_stack_write_marks(env, env->liveness->cur_instance, env->liveness->write_insn_idx);

WARNING: line length of 90 exceeds 80 columns
#128: FILE: kernel/bpf/liveness.c:583:
+		err = mark_stack_read(outer_instance, frame, callsite, insn->live_before);

total: 0 errors, 5 warnings, 0 checks, 138 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 cfbbc386b254 ("bpf: prepare liveness internal API for static analysis pass") 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, 5 warnings, 0 checks, 138 lines checked