linux-kernel - Re: [PATCH] netfilter: per netns nf_conntrack

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Message-Id: <1265290950.2861.460.camel@tonnant>
Date:	Thu, 04 Feb 2010 08:42:30 -0500
From:	Jon Masters <jonathan@...masters.org>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Alexey Dobriyan <adobriyan@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	netfilter-devel <netfilter-devel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH] netfilter: per netns nf_conntrack_cachep

On Thu, 2010-02-04 at 14:37 +0100, Patrick McHardy wrote:
> Jon Masters wrote:
> > On Thu, 2010-02-04 at 14:04 +0100, Patrick McHardy wrote:
> >> In any case, we need a fix for this suitable for 2.6.33. If
> >> you don't like using the pointer, please send a patch to add
> >> an id to the network namespaces.
> > 
> > Right. I think the quick solution is fine for 2.6.33. So that makes the
> > hashtable non-resize patch, the crash fix, and the cachep bits. I will
> > try to get involved and help you out with the per-ns hashtable clean
> > rather than just being a whiner :)
> 
> This is the patch I'm going to commit unless unless there are further
> objections. Its Eric's patch with a change on top to allocate a unique
> name for the slab.
> 
> > Thanks a bunch! Fedora kernels have already been built with this fix,
> > since it will allow us to close a fair number of "KVM goes boom" bugs.
> 
> Thanks as well for your help.

Patch looks fine to me for the moment, unless it *really* matters about
the pointer exposure.

Jon.


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