Quoting Eric W. Biederman (ebiederm@xxxxxxxxxxxx): > I am not currently working on a patch for this, but I will be happy to > review one. At a quick glance it looks like this could just be as > simple as calling kobject_uevent at the proper time, but testing and > reading through the relevant code paths is probably a good idea as there > always seems to be gotchas in that code. > > Eric This (the simple fix) works for me, actually. I do notice the ifdef shouldn't be needed, all the better. >From b436802aa8ae80f699b3d7bcf584d3e86af7355a Mon Sep 17 00:00:00 2001 From: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx> Date: Fri, 12 Oct 2012 21:42:05 +0100 Subject: [PATCH 1/1] dev_change_net_namespace: send a KOBJ_REMOVED to original netns Signed-off-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx> --- net/core/dev.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/core/dev.c b/net/core/dev.c index e2215ee..8062a5a 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6172,6 +6172,10 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char dev_uc_flush(dev); dev_mc_flush(dev); + /* Send a netdev-removed uevent to the old namespace */ +#ifdef CONFIG_HOTPLUG + kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE); +#endif /* Actually switch the network namespace */ dev_net_set(dev, net); -- 1.7.9.5 _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
