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Message-Id: <00144561cf7efd96216a1046d1887dc0fd9e1c65.1666630548.git.leonro@nvidia.com> Date: Mon, 24 Oct 2022 19:59:59 +0300 From: Leon Romanovsky <leon@...nel.org> To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org> Cc: Leon Romanovsky <leonro@...dia.com>, Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>, Saeed Mahameed <saeedm@...dia.com> Subject: [PATCH net-next v1 6/6] net/mlx5e: Use read lock for eswitch get callbacks From: Leon Romanovsky <leonro@...dia.com> In commit 367dfa121205 ("net/mlx5: Remove devl_unlock from mlx5_eswtich_mode_callback_enter") all functions were converted to use write lock without relation to their actual purpose. Change the devlink eswitch getters to use read and not write locks. Signed-off-by: Leon Romanovsky <leonro@...dia.com> --- .../ethernet/mellanox/mlx5/core/eswitch_offloads.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 4e50df3139c6..23ada3a71c60 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -3553,9 +3553,9 @@ int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) if (IS_ERR(esw)) return PTR_ERR(esw); - down_write(&esw->mode_lock); + down_read(&esw->mode_lock); err = esw_mode_to_devlink(esw->mode, mode); - up_write(&esw->mode_lock); + up_read(&esw->mode_lock); return err; } @@ -3653,9 +3653,9 @@ int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode) if (IS_ERR(esw)) return PTR_ERR(esw); - down_write(&esw->mode_lock); + down_read(&esw->mode_lock); err = esw_inline_mode_to_devlink(esw->offloads.inline_mode, mode); - up_write(&esw->mode_lock); + up_read(&esw->mode_lock); return err; } @@ -3727,9 +3727,9 @@ int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, if (IS_ERR(esw)) return PTR_ERR(esw); - down_write(&esw->mode_lock); + down_read(&esw->mode_lock); *encap = esw->offloads.encap; - up_write(&esw->mode_lock); + up_read(&esw->mode_lock); return 0; } -- 2.37.3
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