netdev - Re: [PATCH v2 1/2] rhashtable: require max_shift if grow

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Date:	Tue, 24 Feb 2015 22:49:15 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	David Miller <davem@...emloft.net>
Cc:	daniel@...earbox.net, johunt@...mai.com, pablo@...filter.org,
	kaber@...sh.net, netfilter-devel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH v2 1/2] rhashtable: require max_shift if grow_decision
 defined

On 02/24/15 at 04:31pm, David Miller wrote:
> From: Daniel Borkmann <daniel@...earbox.net>
> > Fwiw, I believe this behavior came in as a regression via commit
> > c0c09bfdc415 ("rhashtable: avoid unnecessary wakeup for worker
> > queue").
> > Initially, if no max_shift was specified, we'd just expand further.
> >
> > I can take care of these above two fixups tomorrow, if you want.

Thanks!

> > I presume you want to route both via -net, or just the growth limit
> > issue via -net?
> 
> Let's fix as much crap as we can in -net.  I'm going to have to do
> a huge backport of all the rhashtables to -stable at some point
> too.

All fixes except 2-3 should only affect the post per bucket lock
era. The fixes tags should be correct but I'll double check. I can
take care of the backports if you like.
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