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Date:	Thu, 06 Sep 2007 14:44:45 +0200
From:	Johannes Berg <>
To:	Herbert Xu <>
Subject: Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

On Thu, 2007-09-06 at 20:36 +0800, Herbert Xu wrote:
> Johannes Berg <> wrote:
> >
> > Hah, I suspected as much but didn't have a chance to look yet. I had
> > plans to replace that sub_if_list with an RCU list and not require the
> > lock there, but that's far off. Any ideas how to fix this? We can't
> > reject the master stop so we have to walk the list, I guess we'll have
> > to audit the other list manipulation places, I think they're all under
> > RTNL.
> Yeah I think they're all under RTNL too.  So you don't need to
> take the lock here at all since you should already have the RTNL.

I'll take a look at them and post appropriate patches.


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