diff options
Diffstat (limited to 'include/linux/tracepoint.h')
| -rw-r--r-- | include/linux/tracepoint.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 846a4ae501eb..63a3f7a80580 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -165,6 +165,15 @@ static inline void tracepoint_synchronize_unregister(void) #define PARAMS(args...) args +#endif /* _LINUX_TRACEPOINT_H */ + +/* + * Note: we keep the TRACE_EVENT outside the include file ifdef protection. + * This is due to the way trace events work. If a file includes two + * trace event headers under one "CREATE_TRACE_POINTS" the first include + * will override the TRACE_EVENT and break the second include. + */ + #ifndef TRACE_EVENT /* * For use with the TRACE_EVENT macro: @@ -276,6 +285,5 @@ static inline void tracepoint_synchronize_unregister(void) #define TRACE_EVENT_FN(name, proto, args, struct, \ assign, print, reg, unreg) \ DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) -#endif -#endif +#endif /* ifdef TRACE_EVENT (see note above) */ |