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tracing: Include module.h in define_trace.h

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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 <a.p.zijlstra@chello.nl>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2011-01-07 15:40:10 -05:00 committed by Steven Rostedt
parent cb600d2f83
commit 3a9f987b31
1 changed files with 10 additions and 0 deletions
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10
include/trace/define_trace.h
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@ -21,6 +21,16 @@
#undef CREATE_TRACE_POINTS
#include <linux/stringify.h>
/*
* 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 <linux/module.h>
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \