[Intel-gfx] [PATCH 1/2] drm/i915: introduce GEM_WARN_ON

[Ville Syrjälä]

On Fri, Dec 02, 2016 at 01:23:13PM +0000, Matthew Auld wrote:
> In a similar spirit to GEM_BUG_ON we now also have GEM_WARN_ON, this
> will enable us to freely add warnings which our CI will hopefully catch
> but without fear of impacting production machines.

Impacting performance?

> 
> Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_gem.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h
> index 51ec793f2e20..04c777e6d0bf 100644
> --- a/drivers/gpu/drm/i915/i915_gem.h
> +++ b/drivers/gpu/drm/i915/i915_gem.h
> @@ -27,8 +27,10 @@
>  
>  #ifdef CONFIG_DRM_I915_DEBUG_GEM
>  #define GEM_BUG_ON(expr) BUG_ON(expr)
> +#define GEM_WARN_ON(expr) WARN_ON(expr)
>  #else
>  #define GEM_BUG_ON(expr) do { } while (0)
> +#define GEM_WARN_ON(expr) do { } while (0)
>  #endif
>  
>  #define I915_NUM_ENGINES 5
> -- 
> 2.9.3
> 
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-- 
Ville Syrjälä
Intel OTC