WARNING: line length of 98 exceeds 80 columns
#66: FILE: kernel/bpf/core.c:2426:
+			priv_stack_ptr = __alloc_percpu_gfp(fp->aux->stack_depth, 16, GFP_KERNEL);

WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#82: FILE: kernel/bpf/core.c:2439:
+				*err = -ENOTSUPP;

WARNING: line length of 87 exceeds 80 columns
#105: FILE: kernel/bpf/verifier.c:20174:
+		if (env->subprog_info[i].use_priv_stack && func[i]->aux->stack_depth) {

WARNING: line length of 90 exceeds 80 columns
#106: FILE: kernel/bpf/verifier.c:20175:
+			priv_stack_ptr = __alloc_percpu_gfp(func[i]->aux->stack_depth, 16,

total: 0 errors, 4 warnings, 0 checks, 78 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 22eaa64a7602 ("bpf: Allocate private stack for eligible main prog or subprogs") 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, 78 lines checked