This is a note to let you know that I've just added the patch titled

net: Resend IGMP memberships upon peer notification.

to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: net-resend-igmp-memberships-upon-peer-notification.patch and it can be found in the queue-3.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Mon Dec 18 15:03:25 CET 2017

From: Vlad Yasevich vyasevich@gmail.com Date: Tue, 14 Mar 2017 08:58:08 -0400 Subject: net: Resend IGMP memberships upon peer notification.

From: Vlad Yasevich vyasevich@gmail.com

[ Upstream commit 37c343b4f4e70e9dc328ab04903c0ec8d154c1a4 ]

When we notify peers of potential changes, it's also good to update IGMP memberships. For example, during VM migration, updating IGMP memberships will redirect existing multicast streams to the VM at the new location.

Signed-off-by: Vladislav Yasevich vyasevic@redhat.com Acked-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/core/dev.c | 1 + 1 file changed, 1 insertion(+)

--- a/net/core/dev.c +++ b/net/core/dev.c @@ -1248,6 +1248,7 @@ void netdev_notify_peers(struct net_devi { rtnl_lock(); call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev); + call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev); rtnl_unlock(); } EXPORT_SYMBOL(netdev_notify_peers);

Patches currently in stable-queue which might be from vyasevich@gmail.com are

queue-3.18/net-resend-igmp-memberships-upon-peer-notification.patch