Re: [PATCH net-next v10 3/6] net: add a generation counter for dev->mc changes

[Yuyang Huang]

> - [Medium] netlink: AF_PACKET multicast dump misses changes due to
>   reading sequence after loop

This  seems real, I will send a v11 patch, will sample before the
walk, and once more after it for the
NLMSG_DONE check.

> - [Low] __hw_addr_changed() (net/core/dev_addr_lists.c) does
>   atomic_inc(&dev_net(list->mc_dev)->dev_mc_genid).

Same as every other dev->mc writer under the address lock, nothing new.