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Message-Id: <20201206235919.393158-2-vladimir.oltean@nxp.com>
Date: Mon, 7 Dec 2020 01:59:07 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: "David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Pablo Neira Ayuso <pablo@...filter.org>,
Jiri Benc <jbenc@...hat.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Jamal Hadi Salim <jhs@...atatu.com>,
Stephen Hemminger <stephen@...workplumber.org>,
Eric Dumazet <edumazet@...gle.com>,
George McCollister <george.mccollister@...il.com>,
Oleksij Rempel <o.rempel@...gutronix.de>,
Leon Romanovsky <leon@...nel.org>
Subject: [RFC PATCH net-next 01/13] RDMA/mlx4: remove bogus dev_base_lock usage
The dev_base_lock does not protect dev->dev_addr, so it serves no
purpose here.
Cc: Leon Romanovsky <leon@...nel.org>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
drivers/infiniband/hw/mlx4/main.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index f0864f40ea1a..e3cd402c079a 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -2265,10 +2265,7 @@ static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
u64 release_mac = MLX4_IB_INVALID_MAC;
struct mlx4_ib_qp *qp;
- read_lock(&dev_base_lock);
new_smac = mlx4_mac_to_u64(dev->dev_addr);
- read_unlock(&dev_base_lock);
-
atomic64_set(&ibdev->iboe.mac[port - 1], new_smac);
/* no need for update QP1 and mac registration in non-SRIOV */
--
2.25.1
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