message: Use custom Conv2DBackpropInput op by default.
diff: @@ -729,12 +729,8 @@ class Conv2DCustomBackpropInputOp : public OpKernel {
  TF_DISALLOW_COPY_AND_ASSIGN(Conv2DCustomBackpropInputOp);
  };
  -// TODO(ezhulenev): Add XSMM support to LaunchConv2DBackpropInputOp functor.
  -#ifdef TENSORFLOW_USE_LIBXSMM_CONVOLUTIONS
  +// TODO(ezhulenev): Add a cost model to switch between custom/Eigen ops.
  #define DEFAULT_CPU_OP Conv2DCustomBackpropInputOp
  -#else
  -#define DEFAULT_CPU_OP Conv2DBackpropInputOp
  -#endif
  #define REGISTER_CPU_KERNELS(T) \
  REGISTER_KERNEL_BUILDER( \
  