netdev - [PATCH v2 net-next 2/2] net: dsa: mv88e6xxx: Make VTU miss violations less spammy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 28 Mar 2018 23:50:29 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v2 net-next 2/2] net: dsa: mv88e6xxx: Make VTU miss violations less spammy

VTU miss violations can happen under normal conditions. Don't spam the
kernel log, downgrade the output to debug level only. The statistics
counter will indicate it is happening, if anybody not debugging is
interested.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
v2: Rather than delete, use dev_dbg_ratelimited()
---
 drivers/net/dsa/mv88e6xxx/global1_vtu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 2cbaf946e7ed..058326924f3e 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -548,10 +548,11 @@ static irqreturn_t mv88e6xxx_g1_vtu_prob_irq_thread_fn(int irq, void *dev_id)
 	}
 
 	if (val & MV88E6XXX_G1_VTU_OP_MISS_VIOLATION) {
-		dev_err_ratelimited(chip->dev, "VTU miss violation for vid %d, source port %d\n",
+		dev_dbg_ratelimited(chip->dev, "VTU miss violation for vid %d, source port %d\n",
 				    entry.vid, spid);
 		chip->ports[spid].vtu_miss_violation++;
 	}
+
 	mutex_unlock(&chip->reg_lock);
 
 	return IRQ_HANDLED;
-- 
2.16.2