Commit 3cdfdf91 authored Feb 25, 2009 by Steven Rostedt

tracing: wrap arguments with PARAMS



Peter Zijlstra warned that TPPROTO and TPARGS might become something
other than a simple copy of itself. To prevent this from having
side effects in the TRACE_FORMAT macro in tracepoint.h, we add a
PARAMS() macro to be defined as just a wrapper.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

parent eef62a68

include/linux/tracepoint.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -153,7 +153,8 @@ static inline void tracepoint_synchronize_unregister(void)
		synchronize_sched();
		}

		#define PARAMS(args...) args
		#define TRACE_FORMAT(name, proto, args, fmt) \
		DECLARE_TRACE(name, TPPROTO(proto), TPARGS(args))
		DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))

		#endif