Messages in this thread Patch in this message | | | Date | Wed, 25 Feb 2009 17:13:06 -0500 | From | Steven Rostedt <> | Subject | [PATCH 2/2] tracing: wrap arguments with PARAMS |
| |
From: Steven Rostedt <srostedt@redhat.com>
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> --- include/linux/tracepoint.h | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 3de09fa..62d1339 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -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 -- 1.5.6.5 --
| |