Warnings before patch:
files: ['tools/testing/selftests/bpf/usdt.h']
<parse fail>: * Underlying C global variable name for user-defined USDT semaphore with
Warning: tools/testing/selftests/bpf/usdt.h:206 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
 * Underlying C global variable name for user-defined USDT semaphore with

Current warnings:
files: ['tools/testing/selftests/bpf/usdt.h']
<parse fail>: * Underlying C global variable name for user-defined USDT semaphore with
Warning: tools/testing/selftests/bpf/usdt.h:206 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
 * Underlying C global variable name for user-defined USDT semaphore with

Warnings before: 2 after: 2