WARNING: line length of 87 exceeds 80 columns
#70: FILE: kernel/bpf/stackmap.c:457:
+		trace = get_perf_callchain(regs, (struct perf_callchain_entry *)&entry,

WARNING: line length of 86 exceeds 80 columns
#71: FILE: kernel/bpf/stackmap.c:458:
+					   kernel, user, max_depth, crosstask, false);

total: 0 errors, 2 warnings, 0 checks, 49 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 ff060c9d1b97 ("bpf: Pass external callchain entry to get_perf_callchain") 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, 2 warnings, 0 checks, 49 lines checked