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| author | Steven Rostedt <srostedt@redhat.com> | 2009-02-25 20:54:30 (GMT) |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-02-26 02:44:26 (GMT) |
| commit | 3cdfdf91fcc77cfc82592e2b5c2ab35abe819c41 (patch) | |
| tree | 176e2dbbf4e8c6ab59d0243f501338d104d7a31f | |
| parent | eef62a6826b8ab530cefff5aa55c1661a209c803 (diff) | |
| download | linux-fsl-qoriq-3cdfdf91fcc77cfc82592e2b5c2ab35abe819c41.tar.xz | |
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>
| -rw-r--r-- | 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 |