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Date:	Thu, 06 Sep 2007 20:36:32 +0800
From:	Herbert Xu <>
To: (Johannes Berg)
Subject: Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

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

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.

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