Quoting Tvrtko Ursulin (2018-08-09 10:07:51)
> diff --git a/drivers/gpu/drm/i915/i915_tracing.h b/drivers/gpu/drm/i915/i915_tracing.h
> new file mode 100644
> index 000000000000..4d8710f5687b
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/i915_tracing.h
> @@ -0,0 +1,29 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright © 2018 Intel Corporation
> + *
> + */
> +#ifndef _I915_TRACING_H_
> +#define _I915_TRACING_H_
> +
> +#if IS_ENABLED(CONFIG_TRACEPOINTS)
> +
> +#include "i915_drv.h"
Nit here. You can just have a struct drm_i915_private; forward decl,
that you need for both paths.
> +
> +void i915_tracing_register(struct drm_i915_private *i915);
> +void i915_tracing_unregister(struct drm_i915_private *i915);
> +
> +int intel_engine_notify_tracepoint_register(void);
> +void intel_engine_notify_tracepoint_unregister(void);
> +
> +#else
> +
> +static inline void i915_tracing_register(struct drm_i915_private *i915) { }
> +static inline void i915_tracing_unregister(struct drm_i915_private *i915) { }
> +
> +static inline int intel_engine_notify_tracepoint_register(void) { }
> +static inline void intel_engine_notify_tracepoint_unregister(void) { }
> +
> +#endif
> +
> +#endif
>
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