netdev - Re: netlink circular locking dependency

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Date:	Tue, 17 Jun 2008 13:09:10 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Marcel Holtmann <marcel@...tmann.org>, netdev@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>, Thomas Graf <tgraf@...g.ch>
Subject: Re: netlink circular locking dependency

On Tue, Jun 17, 2008 at 02:50:19PM +0200, Patrick McHardy wrote:
...
> Thanks for testing. Unfortunately the module unload races look
> more complicated to fix and I'm busy with other things, so it
> would great if someone else could fix this.

Patrick, I wonder if simply adding an additional mutex e.g.
genl_lock_table() around all the rest (after your patch) genl_locks
could be enough until some major rework. This should prevent any
new races and there are no lockups, I guess?

Jarek P.
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