From: Steven Rostedt While doing some developing, Peter Zijlstra and I have found that if a CREATE_TRACE_POINTS include is done before module.h is included, it can break the build. We have been lucky so far that this has not broke the build since module.h is included in almost everything. Reported-by: Peter Zijlstra Signed-off-by: Steven Rostedt --- include/trace/define_trace.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h index b0b4eb2..da39b22 100644 --- a/include/trace/define_trace.h +++ b/include/trace/define_trace.h @@ -21,6 +21,16 @@ #undef CREATE_TRACE_POINTS #include +/* + * module.h includes tracepoints, and because ftrace.h + * pulls in module.h: + * trace/ftrace.h -> linux/ftrace_event.h -> linux/perf_event.h -> + * linux/ftrace.h -> linux/module.h + * we must include module.h here before we play with any of + * the TRACE_EVENT() macros, otherwise the tracepoints included + * by module.h may break the build. + */ +#include #undef TRACE_EVENT #define TRACE_EVENT(name, proto, args, tstruct, assign, print) \ -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/