Hi all, After merging the ftrace tree, today's linux-next build (htmldocs) produced this warning: Documentation/trace/ftrace.rst:2797: WARNING: Literal block expected; none found. Documentation/trace/ftrace.rst:2816: WARNING: Literal block expected; none found. Introduced by commit 21c094d3f8a6 ("tracing: Add documentation for funcgraph-retval and funcgraph-retval-hex") -- Cheers, Stephen Rothwell