netdev - Re: [RFC PATCH net-next] net: Add l3mdev cgroup

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Date:	Mon, 4 Jan 2016 11:53:55 -0700
From:	David Ahern <dsa@...ulusnetworks.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	netdev@...r.kernel.org, cgroups@...r.kernel.org,
	shm@...ulusnetworks.com, roopa@...ulusnetworks.com
Subject: Re: [RFC PATCH net-next] net: Add l3mdev cgroup

Hi Tejun:

On 1/4/16 10:58 AM, Tejun Heo wrote:
> Please don't create any new controller whose sole purpose is
> identifying group membership.  Please take a look at how libxt_cgroup
> handles identification w/o creating a new controller.
>
>   http://lkml.kernel.org/g/1449527935-27056-1-git-send-email-tj@kernel.org
>

This controller applies a cgroup specific setting to tasks associated 
with an instance (similar to cpuset restricting tasks to specifics 
CPUs), so it is more than just identifying membership.

I looked at the commits referenced above and net/netfilter/xt_cgroup.c 
code in particular and I don't see how it applies to this use case. Can 
you elaborate?

Thanks,
David
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