WARNING: line length of 116 exceeds 80 columns
#48: FILE: include/linux/bpf.h:1583:
+	u16			subtree_stack_depth; /* Subtree stack depth if PSTACK_TREE_ROOT prog, 0 otherwise */

WARNING: line length of 96 exceeds 80 columns
#83: FILE: kernel/bpf/core.c:2432:
+					__alloc_percpu_gfp(fp->aux->stack_depth, 8, GFP_KERNEL);

WARNING: line length of 81 exceeds 80 columns
#117: FILE: kernel/bpf/verifier.c:20147:
+					env->subprog_info[i].subtree_stack_depth;

WARNING: line length of 91 exceeds 80 columns
#121: FILE: kernel/bpf/verifier.c:20151:
+				if (env->subprog_info[subtree_top_idx].subtree_stack_depth)

WARNING: line length of 95 exceeds 80 columns
#132: FILE: kernel/bpf/verifier.c:20162:
+					__alloc_percpu_gfp(subtree_stack_depth, 8, GFP_KERNEL);

total: 0 errors, 5 warnings, 0 checks, 103 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 07f041471be5 ("bpf: Mark each subprog with proper pstack states") 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, 5 warnings, 0 checks, 103 lines checked