netdev - [PATCH net-next 11/15] mlxsw: spectrum_acl: Don't take mutex in mlxsw_sp_acl_tcam_vregion_rehash

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Date:   Sun, 24 Feb 2019 06:46:31 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>, mlxsw <mlxsw@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 11/15] mlxsw: spectrum_acl: Don't take mutex in
 mlxsw_sp_acl_tcam_vregion_rehash_work()

From: Jiri Pirko <jiri@...lanox.com>

Other mutexes are taking care of proper locking for this, no longer
needed to take RTNL mutex here.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 5c8976e471ad..822766f81236 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -732,12 +732,7 @@ static void mlxsw_sp_acl_tcam_vregion_rehash_work(struct work_struct *work)
 		container_of(work, struct mlxsw_sp_acl_tcam_vregion,
 			     rehash_dw.work);
 
-	/* TODO: Take rtnl lock here as the rest of the code counts on it
-	 * now. Later, this should be replaced by per-vregion lock.
-	 */
-	rtnl_lock();
 	mlxsw_sp_acl_tcam_vregion_rehash(vregion->mlxsw_sp, vregion);
-	rtnl_unlock();
 	mlxsw_sp_acl_tcam_vregion_rehash_work_schedule(vregion);
 }
 
-- 
2.20.1