From: Glenn Griffin <ggriffin.kernel@gmail.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>,
Glenn Griffin <ggriffin.kernel@gmail.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Andi Kleen <andi@firstfloor.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Add IPv6 support to TCP SYN cookies
Date: Thu, 7 Feb 2008 21:32:30 -0800 [thread overview]
Message-ID: <47abe7b1.20588c0a.7013.75b7@mx.google.com> (raw)
In-Reply-To: <47AAD203.4030706@cosmosbay.com>
> Or maybe use percpu storage for that...
That seems like a good approach. I'll incorporate it into my v6 patch,
and send out an update. Thanks.
> I am not sure if cookie_hash() is always called with preemption disabled.
> (If not, we have to use get_cpu_var()/put_cpu_var())
cookie_hash is always called within NET_RX_SOFTIRQ context so I believe
preemption will always be disabled by __do_softirq(). So there
shouldn't be a need to use get_cpu_var/put_cpu_var, somebody correct me
if I'm wrong.
--Glenn
next prev parent reply other threads:[~2008-02-08 5:25 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-04 23:01 [PATCH] Add IPv6 support to TCP SYN cookies Glenn Griffin
2008-02-05 15:55 ` Andi Kleen
2008-02-05 15:42 ` Alan Cox
2008-02-05 16:39 ` Andi Kleen
2008-02-05 16:03 ` Alan Cox
2008-02-05 16:48 ` Andi Kleen
2008-02-05 16:14 ` Alan Cox
2008-02-05 20:50 ` Willy Tarreau
2008-02-05 18:29 ` Glenn Griffin
2008-02-05 19:25 ` Ross Vandegrift
2008-02-05 20:11 ` Andi Kleen
2008-02-05 21:23 ` Ross Vandegrift
2008-02-06 8:53 ` Andi Kleen
2008-02-07 19:44 ` Ross Vandegrift
2008-02-08 12:07 ` Andi Kleen
2008-02-12 20:38 ` Ross Vandegrift
2008-02-05 20:02 ` Andi Kleen
2008-02-05 20:39 ` Evgeniy Polyakov
2008-02-05 20:53 ` Andi Kleen
2008-02-05 21:50 ` Evgeniy Polyakov
2008-02-05 21:20 ` Alan Cox
2008-02-05 21:52 ` Evgeniy Polyakov
2008-02-05 21:20 ` Willy Tarreau
2008-02-05 22:05 ` Alan Cox
2008-02-06 1:52 ` Glenn Griffin
2008-02-06 7:50 ` Andi Kleen
2008-02-06 17:36 ` Glenn Griffin
2008-02-06 18:45 ` Andi Kleen
2008-02-06 23:03 ` Glenn Griffin
2008-02-06 9:13 ` Evgeniy Polyakov
2008-02-06 18:30 ` Glenn Griffin
2008-02-07 7:24 ` Evgeniy Polyakov
2008-02-07 9:40 ` Eric Dumazet
2008-02-08 5:32 ` Glenn Griffin [this message]
2008-02-08 5:49 ` Glenn Griffin
2008-02-11 16:07 ` YOSHIFUJI Hideaki / 吉藤英明
2008-02-18 23:45 ` Glenn Griffin
2008-02-13 7:31 ` YOSHIFUJI Hideaki / 吉藤英明
2008-02-05 19:57 ` Jan Engelhardt
2008-02-05 21:25 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2008-02-04 23:01 Glenn Griffin
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