From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Patrick McHardy <kaber@trash.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH 2/2] netfilter: conntrack: optional reliable conntrack event delivery
Date: Wed, 10 Jun 2009 14:43:23 +0200 [thread overview]
Message-ID: <4A2FAA6B.3080102@netfilter.org> (raw)
In-Reply-To: <4A2FA6A9.2090709@trash.net>
Patrick McHardy wrote:
> Pablo Neira Ayuso wrote:
>> wrt. the event cache, the missed field can save us from doing the
>> locking in every event caching at the cost of consuming a bit more of
>> memory. I think this is more conservative but safer than my approach (no
>> potential defering by calling cmpxchg forever, even if it's unlikely).
>> Still, we would need to take the spin lock for the event delivery. Let
>> me know what you think.
>
> Would we really have to? The events are incremental anyways, so
> it shouldn't matter if we very rarely deliver an event twice.
No problem. I'll add a comment to tell about this, we can re-visit this
issue later if it becomes a problem.
Please, let me know once you are done with your patch to rebase mine ;).
--
"Los honestos son inadaptados sociales" -- Les Luthiers
next prev parent reply other threads:[~2009-06-10 12:43 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-04 11:07 [PATCH 0/2] Pablo Neira Ayuso
2009-06-04 11:08 ` [PATCH 1/2] netfilter: conntrack: move event cache to conntrack extension infrastructure Pablo Neira Ayuso
2009-06-04 12:16 ` Pablo Neira Ayuso
2009-06-05 11:04 ` Patrick McHardy
2009-06-05 13:06 ` Pablo Neira Ayuso
2009-06-05 14:13 ` Patrick McHardy
2009-06-06 6:24 ` Pablo Neira Ayuso
2009-06-04 11:08 ` [PATCH 2/2] netfilter: conntrack: optional reliable conntrack event delivery Pablo Neira Ayuso
2009-06-05 14:37 ` Patrick McHardy
2009-06-06 6:34 ` Pablo Neira Ayuso
2009-06-08 13:49 ` Patrick McHardy
2009-06-09 22:36 ` Pablo Neira Ayuso
2009-06-09 22:43 ` Patrick McHardy
2009-06-09 22:45 ` Patrick McHardy
2009-06-09 22:58 ` Pablo Neira Ayuso
2009-06-10 1:18 ` Eric Dumazet
2009-06-10 9:55 ` Patrick McHardy
2009-06-10 10:36 ` Pablo Neira Ayuso
2009-06-10 10:55 ` Patrick McHardy
2009-06-10 11:01 ` Patrick McHardy
2009-06-10 11:40 ` Patrick McHardy
2009-06-10 12:22 ` Pablo Neira Ayuso
2009-06-10 12:27 ` Patrick McHardy
2009-06-10 12:43 ` Pablo Neira Ayuso [this message]
2009-06-10 12:56 ` Patrick McHardy
2009-06-10 12:26 ` Jozsef Kadlecsik
2009-06-10 12:30 ` Patrick McHardy
2009-06-10 12:41 ` Patrick McHardy
2009-06-04 11:17 ` [PATCH 0/2] reliable per-conntrack event cache Pablo Neira Ayuso
-- strict thread matches above, loose matches on Subject: below --
2009-05-04 13:53 [PATCH 0/2] conntrack event subsystem updates for 2.6.31 (part 2) Pablo Neira Ayuso
2009-05-04 13:53 ` [PATCH 2/2] netfilter: conntrack: optional reliable conntrack event delivery Pablo Neira Ayuso
2009-05-04 14:02 ` Pablo Neira Ayuso
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