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Date: Tue, 19 Jun 2018 10:47:56 +1000
From: Samuel Mendoza-Jonas <sam@...dozajonas.com>
To: Joe Perches <joe@...ches.com>, Joel Stanley <joel@....id.au>,
"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 13:53 -0700, Joe Perches wrote:
> 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.
Right this is fine for these sort of messages; very noisy and not particularly
critical.
For this and the other logging updates:
Acked-by: Samuel Mendoza-Jonas <sam@...dozajonas.com>
>
> > 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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