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| H A D | net_namespace.c | diff 95f38411df055a0ecefe3a3d119d98241087d5ca Thu May 07 04:02:51 CDT 2015 Nicolas Dichtel <nicolas.dichtel@6wind.com> netns: use a spin_lock to protect nsid management
Before this patch, nsid were protected by the rtnl lock. The goal of this
patch is to be able to find a nsid without needing to hold the rtnl lock.
The next patch will introduce a netlink socket option to listen to all
netns that have a nsid assigned into the netns where the socket is opened.
Thus, it's important to call rtnl_net_notifyid() outside the spinlock, to
avoid a recursive lock (nsid are notified via rtnl). This was the main
reason of the previous patch.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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