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Date: Mon, 18 Jun 2018 13:53:18 -0700
From: Joe Perches <joe@...ches.com>
To: Joel Stanley <joel@....id.au>,
Samuel Mendoza-Jonas <sam@...dozajonas.com>,
"David S . Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH 3/4] net/ncsi: Use netdev_dbg for debug messages
On Mon, 2018-06-18 at 16:49 +0930, Joel Stanley wrote:
> This moves all of the netdev_printk(KERN_DEBUG, ...) messages over to
> netdev_dbg. There is no change in behaviour.
Not quite, but I think the patch is fine anyway.
netdev_printk(KERN_DEBUG ... is always emitted as
long as the console level includes debug output.
netdev_dbg is not included in object code unless
DEBUG is defined or CONFIG_DYNAMIC_DEBUG is set.
And then, it is not emitted into the log unless
DEBUG is set or this specific netdev_dbg is enabled
via the dynamic debug control file.
> Signed-off-by: Joel Stanley <joel@....id.au>
> ---
> net/ncsi/ncsi-aen.c | 6 +++---
> net/ncsi/ncsi-manage.c | 33 +++++++++++++++------------------
> 2 files changed, 18 insertions(+), 21 deletions(-)
>
> diff --git a/net/ncsi/ncsi-aen.c b/net/ncsi/ncsi-aen.c
> index f899ed61bb57..25e483e8278b 100644
> --- a/net/ncsi/ncsi-aen.c
> +++ b/net/ncsi/ncsi-aen.c
> @@ -148,9 +148,9 @@ static int ncsi_aen_handler_hncdsc(struct ncsi_dev_priv *ndp,
> hncdsc = (struct ncsi_aen_hncdsc_pkt *)h;
> ncm->data[3] = ntohl(hncdsc->status);
> spin_unlock_irqrestore(&nc->lock, flags);
> - netdev_printk(KERN_DEBUG, ndp->ndev.dev,
> - "NCSI: host driver %srunning on channel %u\n",
> - ncm->data[3] & 0x1 ? "" : "not ", nc->id);
> + netdev_dbg(ndp->ndev.dev,
> + "NCSI: host driver %srunning on channel %u\n",
> + ncm->data[3] & 0x1 ? "" : "not ", nc->id);
>
> return 0;
> }
> diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c
> index 716493a61ba6..091284760d21 100644
> --- a/net/ncsi/ncsi-manage.c
> +++ b/net/ncsi/ncsi-manage.c
> @@ -788,8 +788,8 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
> }
> break;
> case ncsi_dev_state_config_done:
> - netdev_printk(KERN_DEBUG, ndp->ndev.dev,
> - "NCSI: channel %u config done\n", nc->id);
> + netdev_dbg(ndp->ndev.dev, "NCSI: channel %u config done\n",
> + nc->id);
> spin_lock_irqsave(&nc->lock, flags);
> if (nc->reconfigure_needed) {
> /* This channel's configuration has been updated
> @@ -804,8 +804,7 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
> list_add_tail_rcu(&nc->link, &ndp->channel_queue);
> spin_unlock_irqrestore(&ndp->lock, flags);
>
> - netdev_printk(KERN_DEBUG, dev,
> - "Dirty NCSI channel state reset\n");
> + netdev_dbg(dev, "Dirty NCSI channel state reset\n");
> ncsi_process_next_channel(ndp);
> break;
> }
> @@ -908,9 +907,9 @@ static int ncsi_choose_active_channel(struct ncsi_dev_priv *ndp)
> }
>
> ncm = &found->modes[NCSI_MODE_LINK];
> - netdev_printk(KERN_DEBUG, ndp->ndev.dev,
> - "NCSI: Channel %u added to queue (link %s)\n",
> - found->id, ncm->data[2] & 0x1 ? "up" : "down");
> + netdev_dbg(ndp->ndev.dev,
> + "NCSI: Channel %u added to queue (link %s)\n",
> + found->id, ncm->data[2] & 0x1 ? "up" : "down");
>
> out:
> spin_lock_irqsave(&ndp->lock, flags);
> @@ -1316,9 +1315,9 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp)
> if ((ndp->ndev.state & 0xff00) ==
> ncsi_dev_state_config ||
> !list_empty(&nc->link)) {
> - netdev_printk(KERN_DEBUG, nd->dev,
> - "NCSI: channel %p marked dirty\n",
> - nc);
> + netdev_dbg(nd->dev,
> + "NCSI: channel %p marked dirty\n",
> + nc);
> nc->reconfigure_needed = true;
> }
> spin_unlock_irqrestore(&nc->lock, flags);
> @@ -1336,8 +1335,7 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp)
> list_add_tail_rcu(&nc->link, &ndp->channel_queue);
> spin_unlock_irqrestore(&ndp->lock, flags);
>
> - netdev_printk(KERN_DEBUG, nd->dev,
> - "NCSI: kicked channel %p\n", nc);
> + netdev_dbg(nd->dev, "NCSI: kicked channel %p\n", nc);
> n++;
> }
> }
> @@ -1368,8 +1366,8 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
> list_for_each_entry_rcu(vlan, &ndp->vlan_vids, list) {
> n_vids++;
> if (vlan->vid == vid) {
> - netdev_printk(KERN_DEBUG, dev,
> - "NCSI: vid %u already registered\n", vid);
> + netdev_dbg(dev, "NCSI: vid %u already registered\n",
> + vid);
> return 0;
> }
> }
> @@ -1388,7 +1386,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
> vlan->vid = vid;
> list_add_rcu(&vlan->list, &ndp->vlan_vids);
>
> - netdev_printk(KERN_DEBUG, dev, "NCSI: Added new vid %u\n", vid);
> + netdev_dbg(dev, "NCSI: Added new vid %u\n", vid);
>
> found = ncsi_kick_channels(ndp) != 0;
>
> @@ -1417,8 +1415,7 @@ int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
> /* Remove the VLAN id from our internal list */
> list_for_each_entry_safe(vlan, tmp, &ndp->vlan_vids, list)
> if (vlan->vid == vid) {
> - netdev_printk(KERN_DEBUG, dev,
> - "NCSI: vid %u found, removing\n", vid);
> + netdev_dbg(dev, "NCSI: vid %u found, removing\n", vid);
> list_del_rcu(&vlan->list);
> found = true;
> kfree(vlan);
> @@ -1545,7 +1542,7 @@ void ncsi_stop_dev(struct ncsi_dev *nd)
> }
> }
>
> - netdev_printk(KERN_DEBUG, ndp->ndev.dev, "NCSI: Stopping device\n");
> + netdev_dbg(ndp->ndev.dev, "NCSI: Stopping device\n");
> ncsi_report_link(ndp, true);
> }
> EXPORT_SYMBOL_GPL(ncsi_stop_dev);
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