netdev - Re: [PATCH 1/8] ibm_newemac: Fix possible lockup on close

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Date:	Wed, 21 Nov 2007 16:41:23 +0100
From:	Christoph Hellwig <hch@....de>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	jgarzik@...ox.com, netdev@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: [PATCH 1/8] ibm_newemac: Fix possible lockup on close

On Wed, Nov 21, 2007 at 05:06:39PM +1100, Benjamin Herrenschmidt wrote:
> It's a bad idea to call flush_scheduled_work from within a
> netdev->stop because the linkwatch will occasionally take the
> rtnl lock from a workqueue context, and thus that can deadlock.
> 
> This reworks things a bit in that area to avoid the problem.

So from the name of the driver you want to keep the previous emac
driver around.  Is there a good reason for that?

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