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(parent: e2e48b4) | patch
netfilter: conntrack: gre: convert rwlock to rcu
authorFlorian Westphal <fw@strlen.de>
Tue, 15 Jan 2019 21:03:34 +0000 (22:03 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Fri, 18 Jan 2019 14:02:33 +0000 (15:02 +0100)
commit202e651cd43c69a43f75b445e90f55b59f9af0ad
tree0f8ee9c7397fa2878e6451d1f01f6f22205e4c1etree
parente2e48b471634faa6958718c27208d366b13fe878commit | diff
netfilter: conntrack: gre: convert rwlock to rcu

We can use gre.  Lock is only needed when a new expectation is added.

In case a single spinlock proves to be problematic we can either add one
per netns or use an array of locks combined with net_hash_mix() or similar
to pick the 'correct' one.

But given this is only needed for an expectation rather than per packet
a single one should be ok.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
include/linux/netfilter/nf_conntrack_proto_gre.h diff | blob | history
net/netfilter/nf_conntrack_proto_gre.c diff | blob | history
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