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Date: Thu, 25 Sep 2014 10:53:28 +0200 From: Nicolas Dichtel <nicolas.dichtel@...nd.com> To: Cong Wang <cwang@...pensource.com> CC: netdev <netdev@...r.kernel.org>, containers@...ts.linux-foundation.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux-api@...r.kernel.org, David Miller <davem@...emloft.net>, "Eric W. Biederman" <ebiederm@...ssion.com>, Stephen Hemminger <stephen@...workplumber.org>, Andrew Morton <akpm@...ux-foundation.org>, Andy Lutomirski <luto@...capital.net> Subject: Re: [RFC PATCH net-next v2 0/5] netns: allow to identify peer netns Le 24/09/2014 18:48, Cong Wang a écrit : > On Wed, Sep 24, 2014 at 9:31 AM, Nicolas Dichtel > <nicolas.dichtel@...nd.com> wrote: >>> I think in this case your ID's are still available, but aren't you >>> providing a new way >>> for the inner netns device to escape which we are trying to avoid? >> >> It's why the ids depend on user ns. Only if user ns are the same we allow to >> get an id for a peer netns. > > Too late, userns is relatively new, relying on it breaks our existing > assumption. > I don't get your point. netns has been added in kernel after user ns: acce292c82d4 user namespace: add the framework => 2.6.23 5f256becd868 [NET]: Basic network namespace infrastructure. => 2.6.24 In the kernel, each netns is linked with a user ns. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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