Re: [PATCH v3 03/11] net/mlx5e: Remove unlikely() from WARN*() condition

From: Saeed Mahameed
Date: Thu Aug 29 2019 - 17:23:38 EST


On Thu, 2019-08-29 at 19:50 +0300, Denis Efremov wrote:
> "unlikely(WARN_ON_ONCE(x))" is excessive. WARN_ON_ONCE() already uses
> unlikely() internally.
>
> Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
> Cc: Boris Pismenny <borisp@xxxxxxxxxxxx>
> Cc: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
> Cc: Leon Romanovsky <leon@xxxxxxxxxx>
> Cc: Joe Perches <joe@xxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> ---
> drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
> a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
> b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
> index 7833ddef0427..e5222d17df35 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
> @@ -408,7 +408,7 @@ struct sk_buff *mlx5e_ktls_handle_tx_skb(struct
> net_device *netdev,
> goto out;
>
> tls_ctx = tls_get_ctx(skb->sk);
> - if (unlikely(WARN_ON_ONCE(tls_ctx->netdev != netdev)))
> + if (WARN_ON_ONCE(tls_ctx->netdev != netdev))
> goto err_out;
>
> priv_tx = mlx5e_get_ktls_tx_priv_ctx(tls_ctx);

Acked-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>

Dave, you can take this one.