From: Steven Rostedt The tracing infrastructure is adding a macro TRACE_SYSTEM_STRING, and hit the following build failure: In file included from include/trace/define_trace.h:90:0, from drivers/gpu/drm/.//radeon/radeon_trace.h:209, from drivers/gpu/drm/.//radeon/radeon_trace_points.c:9: >> include/trace/ftrace.h:28:0: warning: "TRACE_SYSTEM_STRING" redefined #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name) Seems that the DRM folks have added their own use to the TRACE_SYSTEM_STRING, with: #define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM) Although, I can not find its use anywhere. I could simply use another name, but if this macro is not being used, it should be removed. Link: http://lkml.kernel.org/r/20150402123736.01eda052@gandalf.local.home Cc: Alex Deucher Cc: Christian Koenig Cc: David Airlie Cc: Daniel Vetter Cc: Jani Nikula Reviewed-by: Masami Hiramatsu Tested-by: Masami Hiramatsu Reported-by: kbuild test robot Signed-off-by: Steven Rostedt --- drivers/gpu/drm/drm_trace.h | 1 - drivers/gpu/drm/i915/i915_trace.h | 1 - drivers/gpu/drm/radeon/radeon_trace.h | 1 - 3 files changed, 3 deletions(-) diff --git a/drivers/gpu/drm/drm_trace.h b/drivers/gpu/drm/drm_trace.h index 27cc95f36381..ce3c42813fbb 100644 --- a/drivers/gpu/drm/drm_trace.h +++ b/drivers/gpu/drm/drm_trace.h @@ -7,7 +7,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM drm -#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM) #define TRACE_INCLUDE_FILE drm_trace TRACE_EVENT(drm_vblank_event, diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 6058a01b4443..d776621c8521 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -12,7 +12,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM i915 -#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM) #define TRACE_INCLUDE_FILE i915_trace /* pipe updates */ diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h index ce075cb08cb2..fdce4062901f 100644 --- a/drivers/gpu/drm/radeon/radeon_trace.h +++ b/drivers/gpu/drm/radeon/radeon_trace.h @@ -9,7 +9,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM radeon -#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM) #define TRACE_INCLUDE_FILE radeon_trace TRACE_EVENT(radeon_bo_create, -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/