From: Stephen Hemminger <shemminger@vyatta.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: David Miller <davem@davemloft.net>,
arjan@infradead.org, netdev@vger.kernel.org
Subject: Re: Printing the driver name as part of the netdev watchdog message
Date: Mon, 7 Jul 2008 10:05:56 -0700 [thread overview]
Message-ID: <20080707100556.6a3dd3d7@extreme> (raw)
In-Reply-To: <48717714.9060800@garzik.org>
On Sun, 06 Jul 2008 21:53:24 -0400
Jeff Garzik <jeff@garzik.org> wrote:
> David Miller wrote:
> > From: Stephen Hemminger <shemminger@vyatta.com>
> > Date: Sun, 6 Jul 2008 18:08:42 -0700
> >
> >> 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.
> >
> > I think "get driver info", which does nothing but copy strings out of
> > the driver software state, is a safe exception to these strict locking
> > rules.
> >
> > Don't you think? :-)
>
> Indeed...
>
It is save exception, but documentation needed?
next prev parent reply other threads:[~2008-07-07 17:06 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
2008-07-07 1:22 ` David Miller
2008-07-07 1:53 ` Jeff Garzik
2008-07-07 17:05 ` Stephen Hemminger [this message]
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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