Re: [PATCH 1/3] netfilter: nft_hash: no need for rcu in the hash set destroy path

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On Tue, Sep 02, 2014 at 11:38:39AM +0200, Pablo Neira Ayuso wrote:
> The sets are released from the rcu callback, after the rule is removed
> from the chain list, which implies that nfnetlink cannot update the
> hashes (thus, no resizing may occur) and no packets are walking on the
> set anymore.

Unrelated to your patch, but to the RCU destruction: how does that make
sure that nfnetlink notifications are received in the proper order?
I mean, theoretically a new set with the same name could exist at that
time. The same problem exists for all objects that have user defined
identifiers or refer to them.
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