From: "Steven Rostedt (Red Hat)" New code will require TRACE_SYSTEM to be a valid C variable name, but some tracepoints have TRACE_SYSTEM with '-' and not '_', so it can not be used. Instead, add a TRACE_SYSTEM_VAR that can give the tracing infrastructure a unique name for the trace system. Link: http://lkml.kernel.org/r/20150402142831.GT6023@sirena.org.uk Acked-by: Mark Brown Signed-off-by: Steven Rostedt --- include/trace/events/intel-sst.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/trace/events/intel-sst.h b/include/trace/events/intel-sst.h index 76c72d3f1902..edc24e6dea1b 100644 --- a/include/trace/events/intel-sst.h +++ b/include/trace/events/intel-sst.h @@ -1,6 +1,13 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM intel-sst +/* + * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a + * legitimate C variable. It is not exported to user space. + */ +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR intel_sst + #if !defined(_TRACE_INTEL_SST_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_INTEL_SST_H -- 2.1.4