netdev - Re: rtnl_mutex deadlock?

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Date:	Sat, 8 Aug 2015 19:22:41 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Daniel Borkmann <daniel@...earbox.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Pirko <jiri@...nulli.us>,
	Cong Wang <cwang@...pensource.com>,
	David Miller <davem@...emloft.net>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Scott Feldman <sfeldma@...il.com>,
	Network Development <netdev@...r.kernel.org>
Subject: Re: rtnl_mutex deadlock?

On 08/07/15 at 08:00am, Herbert Xu wrote:
> On Fri, Aug 07, 2015 at 01:58:15AM +0200, Daniel Borkmann wrote:
> >
> > Looks like we had a WARN_ON() in rhashtable_insert_rehash() before, but
> > was removed in a87b9ebf1709 ("rhashtable: Do not schedule more than one
> > rehash if we can't grow further"). Do you want to re-add a WARN_ON_ONCE()?
> 
> I think so.  Thomas?

Makes sense. I removed it because I thought it was not possible to
reach.
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