The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Francois Romieu <romieu@fr.zoreil.com>
To: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, netdev@vger.kernel.org
Subject: Re: 2.6.20-git14 rtl8139 possible circular locking dependency detected
Date: Sat, 17 Feb 2007 23:12:52 +0100	[thread overview]
Message-ID: <20070217221252.GA16954@electric-eye.fr.zoreil.com> (raw)
In-Reply-To: <45D7569F.9030502@googlemail.com>

Michal Piotrowski <michal.k.k.piotrowski@gmail.com> :
[...]

Did you enable RTL8139_DEBUG ?

If so you can try the patch below.

diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 35ad5cf..da61368 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -634,7 +634,6 @@ static int rtl8139_close (struct net_dev
 static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
 static struct net_device_stats *rtl8139_get_stats (struct net_device *dev);
 static void rtl8139_set_rx_mode (struct net_device *dev);
-static void __set_rx_mode (struct net_device *dev);
 static void rtl8139_hw_start (struct net_device *dev);
 static void rtl8139_thread (struct work_struct *work);
 static void rtl8139_tx_timeout_task(struct work_struct *work);
@@ -2497,10 +2496,11 @@ static struct net_device_stats *rtl8139_
 	return &tp->stats;
 }
 
-/* Set or clear the multicast filter for this adaptor.
-   This routine is not state sensitive and need not be SMP locked. */
-
-static void __set_rx_mode (struct net_device *dev)
+/*
+ * Set or clear the multicast filter for this adaptor.
+ * This routine is not state sensitive and need not be SMP locked.
+ */
+static void rtl8139_set_rx_mode (struct net_device *dev)
 {
 	struct rtl8139_private *tp = netdev_priv(dev);
 	void __iomem *ioaddr = tp->mmio_addr;
@@ -2545,16 +2545,6 @@ static void __set_rx_mode (struct net_de
 	RTL_W32_F (MAR0 + 4, mc_filter[1]);
 }
 
-static void rtl8139_set_rx_mode (struct net_device *dev)
-{
-	unsigned long flags;
-	struct rtl8139_private *tp = netdev_priv(dev);
-
-	spin_lock_irqsave (&tp->lock, flags);
-	__set_rx_mode(dev);
-	spin_unlock_irqrestore (&tp->lock, flags);
-}
-
 #ifdef CONFIG_PM
 
 static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state)

  reply	other threads:[~2007-02-17 22:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-17 19:25 2.6.20-git14 rtl8139 possible circular locking dependency detected Michal Piotrowski
2007-02-17 22:12 ` Francois Romieu [this message]
2007-02-17 22:57   ` netpoll again ? (was: Re: 2.6.20-git14 rtl8139 possible circular locking dependency detected) Francois Romieu
2007-02-17 23:06   ` 2.6.20-git14 rtl8139 possible circular locking dependency detected Michal Piotrowski

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070217221252.GA16954@electric-eye.fr.zoreil.com \
    --to=romieu@fr.zoreil.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=michal.k.k.piotrowski@gmail.com \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox