netdev - Re: [PATCH net-next v2 0/7] netns: ease netlink use with a lot of netns

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Message-Id: <20150509.221554.38834063932093195.davem@davemloft.net>
Date:	Sat, 09 May 2015 22:15:54 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	nicolas.dichtel@...nd.com
Cc:	netdev@...r.kernel.org, tgraf@...g.ch, ebiederm@...ssion.com
Subject: Re: [PATCH net-next v2 0/7] netns: ease netlink use with a lot of
 netns

From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Date: Thu,  7 May 2015 11:02:46 +0200

> This idea was informally discussed in Ottawa / netdev0.1. The goal is to
> ease the use/scalability of netns, from a userland point of view.
> Today, users need to open one netlink socket per family and per netns.
> Thus, when the number of netns inscreases (for example 5K or more), the
> number of sockets needed to manage them grows a lot.
> 
> The goal of this series is to be able to monitor netlink events, for a
> specified family, for a set of netns, with only one netlink socket. For
> this purpose, a netlink socket option is added: NETLINK_LISTEN_ALL_NSID.
> When this option is set on a netlink socket, this socket will receive
> netlink notifications from all netns that have a nsid assigned into the
> netns where the socket has been opened.
> The nsid is sent to userland via an anscillary data.

Series applied, thanks Nicolas.
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