message: conv workaround for padding == EXPLICIT
diff: @@ -3404,6 +3404,16 @@ MklLayoutRewritePass::CheckForNodeRewrite(const Node* n) const {
  return nullptr;
  }
  + // We make an exception for Conv2D, as the corresponding MKL ops
  + // currently do not support the case of padding == EXPLICIT yet.
  + if (n->type_string() == csinfo_.conv2d ||
  + n->type_string() == csinfo_.conv2d_grad_input ||
  + n->type_string() == csinfo_.conv2d_grad_filter) {
  + string padding;
  + TF_CHECK_OK(GetNodeAttr(n->def(), "padding", &padding));
  + if (padding == "EXPLICIT") return nullptr;
  + }
  +
  // We make an exception for __MklDummyConv2DWithBias,
  // __MklConv2DBackpropFilterWithBias, and __MklDummyPadWithConv2D since their
  // names do not match Mkl node names.
  