netdev - Re: [next-queue/net-next PATCH] e1000e: Use netdev_info instead of pr

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Date:   Thu, 31 Oct 2019 13:48:25 -0400
From:   Neil Horman <nhorman@...hat.com>
To:     Alexander Duyck <alexander.duyck@...il.com>
Cc:     joe@...ches.com, jeffrey.t.kirsher@...el.com, davem@...emloft.net,
        zdai@...ux.vnet.ibm.com, netdev@...r.kernel.org,
        smorumu1@...ibm.com, intel-wired-lan@...ts.osuosl.org,
        aaron.f.brown@...el.com, sassmann@...hat.com
Subject: Re: [next-queue/net-next PATCH] e1000e: Use netdev_info instead of
 pr_info for link messages

On Thu, Oct 31, 2019 at 09:58:51AM -0700, Alexander Duyck wrote:
> From: Alexander Duyck <alexander.h.duyck@...ux.intel.com>
> 
> Replace the pr_info calls with netdev_info in all cases related to the
> netdevice link state.
> 
> As a result of this patch the link messages will change as shown below.
> Before:
> e1000e: ens3 NIC Link is Down
> e1000e: ens3 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
> 
> After:
> e1000e 0000:00:03.0 ens3: NIC Link is Down
> e1000e 0000:00:03.0 ens3: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
> 
> Suggested-by: Joe Perches <joe@...ches.com>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...ux.intel.com>
> ---
> 
> Since Joe hasn't gotten back to me on if he wanted to do the patch or if
> he wanted me to do it I just went ahead and did it. This should address the
> concerns he had about the message formatting in "e1000e: Use rtnl_lock to
> prevent race".
> 
>  drivers/net/ethernet/intel/e1000e/netdev.c |    9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
> index ef8ca0c134b0..a1aa48168855 100644
> --- a/drivers/net/ethernet/intel/e1000e/netdev.c
> +++ b/drivers/net/ethernet/intel/e1000e/netdev.c
> @@ -4720,7 +4720,7 @@ int e1000e_close(struct net_device *netdev)
>  		e1000_free_irq(adapter);
>  
>  		/* Link status message must follow this format */
> -		pr_info("%s NIC Link is Down\n", netdev->name);
> +		netdev_info(netdev, "NIC Link is Down\n");
>  	}
>  
>  	napi_disable(&adapter->napi);
> @@ -5070,8 +5070,9 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
>  	u32 ctrl = er32(CTRL);
>  
>  	/* Link status message must follow this format for user tools */
> -	pr_info("%s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
> -		adapter->netdev->name, adapter->link_speed,
> +	netdev_info(adapter->netdev,
> +		"NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
> +		adapter->link_speed,
>  		adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
>  		(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
>  		(ctrl & E1000_CTRL_RFCE) ? "Rx" :
> @@ -5304,7 +5305,7 @@ static void e1000_watchdog_task(struct work_struct *work)
>  			adapter->link_speed = 0;
>  			adapter->link_duplex = 0;
>  			/* Link status message must follow this format */
> -			pr_info("%s NIC Link is Down\n", adapter->netdev->name);
> +			netdev_info(netdev, "NIC Link is Down\n");
>  			netif_carrier_off(netdev);
>  			netif_stop_queue(netdev);
>  			if (!test_bit(__E1000_DOWN, &adapter->state))
> 
Acked-by: Neil Horman <nhorman@...driver.com>