WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#29: FILE: tools/testing/selftests/bpf/progs/verifier_ctx.c:329:
+	volatile __u32 val;

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#61: FILE: tools/testing/selftests/bpf/progs/verifier_ctx.c:384:
+	volatile __u32 val;

total: 0 errors, 2 warnings, 0 checks, 163 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 e640d7e4c919 ("selftests/bpf: Add tests for unaligned syscall ctx accesses") 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, 163 lines checked