From mboxrd@z Thu Jan 1 00:00:00 1970 From: Saeed Mahameed Subject: [net 1/1] net/mlx5: Fix build break when CONFIG_SMP=n Date: Mon, 14 May 2018 15:38:10 -0700 Message-ID: <20180514223810.21197-1-saeedm@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: netdev@vger.kernel.org, Saeed Mahameed , Randy Dunlap , Guenter Roeck , Thomas Gleixner To: "David S. Miller" Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:42499 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752009AbeENWiU (ORCPT ); Mon, 14 May 2018 18:38:20 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Avoid using the kernel's irq_descriptor and return IRQ vector affinity directly from the driver. This fixes the following build break when CONFIG_SMP=n include/linux/mlx5/driver.h: In function ‘mlx5_get_vector_affinity_hint’: include/linux/mlx5/driver.h:1299:13: error: ‘struct irq_desc’ has no member named ‘affinity_hint’ Fixes: 6082d9c9c94a ("net/mlx5: Fix mlx5_get_vector_affinity function") Signed-off-by: Saeed Mahameed CC: Randy Dunlap CC: Guenter Roeck CC: Thomas Gleixner Tested-by: Israel Rukshin --- For -stable v4.14 include/linux/mlx5/driver.h | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 2a156c5dfadd..d703774982ca 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1286,17 +1286,7 @@ enum { static inline const struct cpumask * mlx5_get_vector_affinity_hint(struct mlx5_core_dev *dev, int vector) { - struct irq_desc *desc; - unsigned int irq; - int eqn; - int err; - - err = mlx5_vector2eqn(dev, vector, &eqn, &irq); - if (err) - return NULL; - - desc = irq_to_desc(irq); - return desc->affinity_hint; + return dev->priv.irq_info[vector].mask; } #endif /* MLX5_DRIVER_H */ -- 2.17.0