Messages in this thread | | | From | Andy Lutomirski <> | Date | Tue, 23 Sep 2014 12:26:37 -0700 | Subject | Re: [RFC PATCH net-next v2 0/5] netns: allow to identify peer netns |
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On Tue, Sep 23, 2014 at 6:20 AM, Nicolas Dichtel <nicolas.dichtel@6wind.com> 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?
--Andy
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