Re: [PATCH 4/5] conntrack: ecache: move event cache to conntrack extension infrastructure

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Pablo Neira Ayuso wrote:
Patrick McHardy wrote:
Generally, I'd say a better approach is to get rid of the notifier
chain (unnecessary overhead for the single user we have), replace it
by a function pointer for event delivery and use that as an indication
that events should be tracked.

I have a fuzzy morning. I get the idea of replacing the notifier chain
by a function pointer but I don't get the idea of the indication.

Something like:

if (nf_ct_deliver_events == NULL)
	don't cache events, try to avoid any other event-related overhead

with nf_ct_deliver_events being the function pointer. Similar to
the sysctl, that allows to enable/disable hopefully most of the
event stuff at runtime.
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