From: Stephen Hemminger <shemminger@vyatta.com>
To: David Miller <davem@davemloft.net>
Cc: arjan@infradead.org, netdev@vger.kernel.org
Subject: Re: Printing the driver name as part of the netdev watchdog message
Date: Sun, 6 Jul 2008 18:08:42 -0700 [thread overview]
Message-ID: <20080706180842.36cc0b1c@extreme> (raw)
In-Reply-To: <20080706.155318.46569612.davem@davemloft.net>
On Sun, 06 Jul 2008 15:53:18 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:
> From: Arjan van de Ven <arjan@infradead.org>
> Date: Sun, 6 Jul 2008 13:08:01 -0700
>
> > Does this patch look like the right approach for achieving the goal?
>
> It's almost there.
>
> You can issue an ethtool_ops->get_drvinfo() call, on devices which
> support ethtool, and fetch the driver info from there.
>
> Your current method of obtaining this info can be used as the
> fallback when the ethtool op fails.
Maybe not. For consistency each call through ethtool_ops should
be holding rtnl mutex. And since dev_watchdog is a timer routine,
it is not safe to acquire a mutex there.
next prev parent reply other threads:[~2008-07-07 1:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-06 20:08 Printing the driver name as part of the netdev watchdog message Arjan van de Ven
2008-07-06 22:53 ` David Miller
2008-07-06 23:56 ` Arjan van de Ven
2008-07-07 1:51 ` Wang Chen
2008-07-07 3:59 ` David Miller
2008-07-07 4:34 ` Arjan van de Ven
2008-07-07 4:49 ` David Miller
2008-07-07 4:57 ` Arjan van de Ven
2008-07-07 6:44 ` David Miller
2008-07-07 15:23 ` Arjan van de Ven
2008-07-07 1:08 ` Stephen Hemminger [this message]
2008-07-07 1:22 ` David Miller
2008-07-07 1:53 ` Jeff Garzik
2008-07-07 17:05 ` Stephen Hemminger
2008-07-07 22:45 ` Roland Dreier
2008-07-07 22:57 ` David Miller
2008-07-07 23:14 ` Roland Dreier
2008-07-07 23:44 ` Stephen Hemminger
2008-07-08 0:10 ` Arjan van de Ven
2008-07-08 19:13 ` Steve Wise
2008-07-08 21:31 ` David Miller
2008-07-08 21:47 ` Arjan van de Ven
2008-07-08 21:57 ` David Miller
2008-07-08 23:48 ` Arjan van de Ven
2008-07-08 23:53 ` David Miller
2008-07-09 0:17 ` Arjan van de Ven
2008-07-09 1:44 ` Arjan van de Ven
2008-07-09 3:16 ` Stephen Hemminger
2008-07-09 17:20 ` Joe Perches
2008-07-09 17:56 ` Arjan van de Ven
2008-07-09 18:20 ` Joe Perches
2008-07-09 18:50 ` Arjan van de Ven
2008-07-09 18:28 ` Ben Hutchings
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