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Date:   Sat, 27 Jul 2019 19:03:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tanhuazhong@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        salil.mehta@...wei.com, yisen.zhuang@...wei.com,
        linuxarm@...wei.com, saeedm@...lanox.com, liuyonglong@...wei.com,
        lipeng321@...wei.com
Subject: Re: [PATCH V3 net-next 06/10] net: hns3: add debug messages to
 identify eth down cause

From: Huazhong Tan <tanhuazhong@...wei.com>
Date: Sat, 27 Jul 2019 13:46:08 +0800

> From: Yonglong Liu <liuyonglong@...wei.com>
> 
> Some times just see the eth interface have been down/up via
> dmesg, but can not know why the eth down. So adds some debug
> messages to identify the cause for this.
> 
> Signed-off-by: Yonglong Liu <liuyonglong@...wei.com>
> Signed-off-by: Peng Li <lipeng321@...wei.com>
> Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
> ---
>  drivers/net/ethernet/hisilicon/hns3/hns3_enet.c       | 18 ++++++++++++++++++
>  drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c    | 19 +++++++++++++++++++
>  .../net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c    | 11 +++++++++++
>  3 files changed, 48 insertions(+)
> 
> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
> index 4d58c53..973c57b 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
> @@ -459,6 +459,9 @@ static int hns3_nic_net_open(struct net_device *netdev)
>  		h->ae_algo->ops->set_timer_task(priv->ae_handle, true);
>  
>  	hns3_config_xps(priv);
> +
> +	netif_info(h, drv, netdev, "net open\n");

These will pollute everyone's kernel logs for normal operations.

This is not reasonable at all, sorry.

Furthermore, even if it was appropriate, "netif_info()" is not "debug".

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