Re: [RFC PATCH net-next v2 0/5] netns: allow to identify peer netns

[Nicolas Dichtel]

Le 23/09/2014 21:26, Andy Lutomirski a Ãcrit :
> On Tue, Sep 23, 2014 at 6:20 AM, Nicolas Dichtel
> <nicolas.dichtel@xxxxxxxxx> wrote:
> > The goal of this serie is to be able to multicast netlink messages with an
> > attribute that identify a peer netns.
> > This is needed by the userland to interpret some informations contained in
> > netlink messages (like IFLA_LINK value, but also some other attributes in case
> > of x-netns netdevice (see also
> > http://thread.gmane.org/gmane.linux.network/315933/focus=316064 and
> > http://thread.gmane.org/gmane.linux.kernel.containers/28301/focus=4239)).
> >
> > Ids are stored in the parent user namespace. These ids are valid only inside
> > this user namespace. The user can retrieve these ids via a new netlink messages,
> > but only if peer netns are in the same user namespace.
>
> What about the parent / ancestors of the owning userns?  Can processes
> in those usernses see any form of netns id?
With this serie no. I'm not sure if ancestors really needs to be able to
get these ids. What is your opinion?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/