diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 11a8d638bcd0ba1b8c8f4e0c7b9961fb604eb39f..5130d65dd41a8b5a786a7fc5e168a91c7b08796e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -512,7 +512,7 @@ static void init_eq_buf(struct mlx5_eq *eq)
 
 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
 		       int nent, u64 mask, const char *name,
-		       struct mlx5_uar *uar, enum mlx5_eq_type type)
+		       enum mlx5_eq_type type)
 {
 	u32 out[MLX5_ST_SZ_DW(create_eq_out)] = {0};
 	struct mlx5_priv *priv = &dev->priv;
@@ -556,7 +556,7 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
 
 	eqc = MLX5_ADDR_OF(create_eq_in, in, eq_context_entry);
 	MLX5_SET(eqc, eqc, log_eq_size, ilog2(eq->nent));
-	MLX5_SET(eqc, eqc, uar_page, uar->index);
+	MLX5_SET(eqc, eqc, uar_page, priv->uar->index);
 	MLX5_SET(eqc, eqc, intr, vecidx);
 	MLX5_SET(eqc, eqc, log_page_size,
 		 eq->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT);
@@ -571,7 +571,7 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
 	eq->eqn = MLX5_GET(create_eq_out, out, eq_number);
 	eq->irqn = priv->msix_arr[vecidx].vector;
 	eq->dev = dev;
-	eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET;
+	eq->doorbell = priv->uar->map + MLX5_EQ_DOORBEL_OFFSET;
 	err = request_irq(eq->irqn, handler, 0,
 			  priv->irq_info[vecidx].name, eq);
 	if (err)
@@ -686,8 +686,7 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev)
 
 	err = mlx5_create_map_eq(dev, &table->cmd_eq, MLX5_EQ_VEC_CMD,
 				 MLX5_NUM_CMD_EQE, 1ull << MLX5_EVENT_TYPE_CMD,
-				 "mlx5_cmd_eq", &dev->priv.bfregi.uars[0],
-				 MLX5_EQ_TYPE_ASYNC);
+				 "mlx5_cmd_eq", MLX5_EQ_TYPE_ASYNC);
 	if (err) {
 		mlx5_core_warn(dev, "failed to create cmd EQ %d\n", err);
 		return err;
@@ -697,8 +696,7 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev)
 
 	err = mlx5_create_map_eq(dev, &table->async_eq, MLX5_EQ_VEC_ASYNC,
 				 MLX5_NUM_ASYNC_EQE, async_event_mask,
-				 "mlx5_async_eq", &dev->priv.bfregi.uars[0],
-				 MLX5_EQ_TYPE_ASYNC);
+				 "mlx5_async_eq", MLX5_EQ_TYPE_ASYNC);
 	if (err) {
 		mlx5_core_warn(dev, "failed to create async EQ %d\n", err);
 		goto err1;
@@ -708,7 +706,6 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev)
 				 MLX5_EQ_VEC_PAGES,
 				 /* TODO: sriov max_vf + */ 1,
 				 1 << MLX5_EVENT_TYPE_PAGE_REQUEST, "mlx5_pages_eq",
-				 &dev->priv.bfregi.uars[0],
 				 MLX5_EQ_TYPE_ASYNC);
 	if (err) {
 		mlx5_core_warn(dev, "failed to create pages EQ %d\n", err);
@@ -722,7 +719,6 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev)
 					 MLX5_NUM_ASYNC_EQE,
 					 1 << MLX5_EVENT_TYPE_PAGE_FAULT,
 					 "mlx5_page_fault_eq",
-					 &dev->priv.bfregi.uars[0],
 					 MLX5_EQ_TYPE_PF);
 		if (err) {
 			mlx5_core_warn(dev, "failed to create page fault EQ %d\n",
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 634e96a025169aee13e4326eabf0c92e177edac1..2882d0483ed87b74cad22fb097d0ed2ff6742229 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -753,8 +753,7 @@ static int alloc_comp_eqs(struct mlx5_core_dev *dev)
 		snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", i);
 		err = mlx5_create_map_eq(dev, eq,
 					 i + MLX5_EQ_VEC_COMP_BASE, nent, 0,
-					 name, &dev->priv.bfregi.uars[0],
-					 MLX5_EQ_TYPE_COMP);
+					 name, MLX5_EQ_TYPE_COMP);
 		if (err) {
 			kfree(eq);
 			goto clean;
@@ -1094,12 +1093,18 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 		goto err_cleanup_once;
 	}
 
-	err = mlx5_alloc_bfregs(dev, &priv->bfregi);
-	if (err) {
+	dev->priv.uar = mlx5_get_uars_page(dev);
+	if (!dev->priv.uar) {
 		dev_err(&pdev->dev, "Failed allocating uar, aborting\n");
 		goto err_disable_msix;
 	}
 
+	err = mlx5_alloc_bfregs(dev, &priv->bfregi);
+	if (err) {
+		dev_err(&pdev->dev, "Failed allocating uuars, aborting\n");
+		goto err_uar_cleanup;
+	}
+
 	err = mlx5_start_eqs(dev);
 	if (err) {
 		dev_err(&pdev->dev, "Failed to start pages and async EQs\n");
@@ -1172,6 +1177,9 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 err_free_uar:
 	mlx5_free_bfregs(dev, &priv->bfregi);
 
+err_uar_cleanup:
+	mlx5_put_uars_page(dev, priv->uar);
+
 err_disable_msix:
 	mlx5_disable_msix(dev);
 
@@ -1231,6 +1239,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 	free_comp_eqs(dev);
 	mlx5_stop_eqs(dev);
 	mlx5_free_bfregs(dev, &priv->bfregi);
+	mlx5_put_uars_page(dev, priv->uar);
 	mlx5_disable_msix(dev);
 	if (cleanup)
 		mlx5_cleanup_once(dev);
@@ -1305,6 +1314,11 @@ static int init_one(struct pci_dev *pdev,
 		goto clean_dev;
 	}
 #endif
+	mutex_init(&priv->bfregs.reg_head.lock);
+	mutex_init(&priv->bfregs.wc_head.lock);
+	INIT_LIST_HEAD(&priv->bfregs.reg_head.list);
+	INIT_LIST_HEAD(&priv->bfregs.wc_head.list);
+
 	err = mlx5_pci_init(dev, priv);
 	if (err) {
 		dev_err(&pdev->dev, "mlx5_pci_init failed with error code %d\n", err);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 6a081a8787a7322c2e3013f9c1d82924b8c10dd3..fcc0270ea72f804826230940aa243f633ccbb6a6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -332,6 +332,38 @@ static struct mlx5_uars_page *alloc_uars_page(struct mlx5_core_dev *mdev,
 	return ERR_PTR(err);
 }
 
+struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev)
+{
+	struct mlx5_uars_page *ret;
+
+	mutex_lock(&mdev->priv.bfregs.reg_head.lock);
+	if (list_empty(&mdev->priv.bfregs.reg_head.list)) {
+		ret = alloc_uars_page(mdev, false);
+		if (IS_ERR(ret)) {
+			ret = NULL;
+			goto out;
+		}
+		list_add(&ret->list, &mdev->priv.bfregs.reg_head.list);
+	} else {
+		ret = list_first_entry(&mdev->priv.bfregs.reg_head.list,
+				       struct mlx5_uars_page, list);
+		kref_get(&ret->ref_count);
+	}
+out:
+	mutex_unlock(&mdev->priv.bfregs.reg_head.lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(mlx5_get_uars_page);
+
+void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up)
+{
+	mutex_lock(&mdev->priv.bfregs.reg_head.lock);
+	kref_put(&up->ref_count, up_rel_func);
+	mutex_unlock(&mdev->priv.bfregs.reg_head.lock);
+}
+EXPORT_SYMBOL(mlx5_put_uars_page);
+
 static unsigned long map_offset(struct mlx5_core_dev *mdev, int dbi)
 {
 	/* return the offset in bytes from the start of the page to the
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 969aa1fe17e2395b9a8d4cef5052884a4ac11b32..9a3a0954855b87af505b8de0e0aa729036d34c4f 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -679,6 +679,7 @@ struct mlx5_priv {
 	struct srcu_struct      pfault_srcu;
 #endif
 	struct mlx5_bfreg_data		bfregs;
+	struct mlx5_uars_page	       *uar;
 };
 
 enum mlx5_device_state {
@@ -1007,7 +1008,7 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
 		       int nent, u64 mask, const char *name,
-		       struct mlx5_uar *uar, enum mlx5_eq_type type);
+		       enum mlx5_eq_type type);
 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
 int mlx5_start_eqs(struct mlx5_core_dev *dev);
 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
@@ -1118,6 +1119,8 @@ int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
+struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
+void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
 
 struct mlx5_profile {
 	u64	mask;