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From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: Andrew Morton <andrewm@uow.edu.au>
Cc: David Brownell <david-b@pacbell.net>,
	lkml <linux-kernel@vger.kernel.org>,
	"linux-usb-devel@lists.sourceforge.net" 
	<linux-usb-devel@lists.sourceforge.net>,
	Linus Torvalds <torvalds@transmeta.com>,
	"David S. Miller" <davem@redhat.com>
Subject: Re: hotplug mopup
Date: Sun, 10 Dec 2000 07:58:25 -0500	[thread overview]
Message-ID: <3A337DF1.DD9516C7@mandrakesoft.com> (raw)
In-Reply-To: <3A3377B3.FDCBE4AD@uow.edu.au>

Andrew Morton wrote:
> - On the unregister/removal path, the netdevice layer ensures that
>   the interface is removed from the kernel namespace prior to launching
>   `/sbin/hotplug net unregister eth0'.
> 
>   This means that when handling netdevice unregistration
>   /sbin/hotplug cannot and must not attempt to do anything with eth0!
>   Generally it'll fail to find an interface with this name.  If it does
>   find eth0, it'll be the wrong one due to a race.

This is not a bug.  'unregister eth0' says to userspace "eth0 just
disappeared."

Read my previous messages on the subject:  Add events like NETDEV_UP,
NETDEV_DOWN, and NETDEV_GOING_DOWN to netdev_event_names[] if you want
to call /sbin/hotplug for other netdev events.

	Jeff


-- 
Jeff Garzik         |
Building 1024       | These are not the J's you're lookin' for.
MandrakeSoft        | It's an old Jedi mind trick.
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Please read the FAQ at http://www.tux.org/lkml/

  reply	other threads:[~2000-12-10 13:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-12-10 12:31 hotplug mopup Andrew Morton
2000-12-10 12:58 ` Jeff Garzik [this message]
2000-12-10 13:25   ` Andrew Morton
2000-12-10 15:10 ` Marcus Meissner
2000-12-11  2:36   ` Albert D. Cahalan
2000-12-11  7:04     ` Andrew Morton
2000-12-10 16:35 ` David Brownell
  -- strict thread matches above, loose matches on Subject: below --
2000-12-11 21:10 David Brownell

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