From: Andi Kleen <ak@suse.de>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: linux-kernel@vger.kernel.org,
netfilter-devel@lists.netfilter.org, netdev@vger.kernel.org
Subject: Re: [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance
Date: Thu, 22 Sep 2005 15:03:21 +0200 [thread overview]
Message-ID: <200509221503.21650.ak@suse.de> (raw)
In-Reply-To: <4331CFA7.50104@cosmosbay.com>
> 1) No more central rwlock protecting each table (filter, nat, mangle, raw),
> but one lock per CPU. It avoids cache line ping pongs for each packet.
Another useful change would be to not take the lock when there are no
rules. Currently just loading iptables has a large overhead.
-Andi
next prev parent reply other threads:[~2005-09-22 13:03 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-19 17:09 [PATCH, netfilter] NUMA aware ipv4/netfilter/ip_tables.c Eric dumazet
2005-09-19 17:20 ` Eric Dumazet
2005-09-19 17:48 ` Andi Kleen
2005-09-19 19:09 ` Eric Dumazet
2005-09-20 9:47 ` Eric Dumazet
2005-09-20 16:30 ` Andi Kleen
2005-09-20 17:02 ` Eric Dumazet
2005-09-20 21:45 ` [PATCH] Adds sys_set_mempolicy() in include/linux/syscalls.h , " Eric Dumazet
2005-09-20 21:46 ` [PATCH] Adds sys_set_mempolicy() in include/linux/syscalls.h Eric Dumazet
2005-09-21 21:24 ` [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance Eric Dumazet
2005-09-21 22:43 ` Christoph Lameter
2005-09-22 0:34 ` David S. Miller
2005-09-22 1:44 ` Christoph Lameter
2005-09-22 12:11 ` Eric Dumazet
2005-09-22 12:49 ` Christoph Hellwig
2005-09-22 12:54 ` Andi Kleen
2005-09-22 12:58 ` Christoph Hellwig
2005-09-22 13:05 ` Andi Kleen
2005-09-22 15:37 ` Christoph Lameter
2005-09-22 15:50 ` Eric Dumazet
2005-09-22 15:55 ` Christoph Lameter
2005-09-23 17:11 ` Harald Welte
2005-09-23 17:44 ` Christoph Lameter
2005-09-23 18:04 ` Dave Hansen
2005-09-23 17:47 ` Eric Dumazet
2005-09-23 18:00 ` Kyle Moffett
2005-09-22 4:18 ` James Morris
2005-09-22 5:07 ` Eric Dumazet
2005-09-22 13:03 ` Andi Kleen [this message]
2005-09-22 13:30 ` Eric Dumazet
2005-09-23 17:09 ` Harald Welte
2005-09-27 16:23 ` Andi Kleen
2005-09-28 0:25 ` Henrik Nordstrom
2005-09-28 8:32 ` Harald Welte
2005-09-28 8:37 ` Andi Kleen
2005-10-04 17:01 ` Patrick McHardy
2005-10-05 16:53 ` Andi Kleen
2005-10-07 2:38 ` Harald Welte
2005-10-06 17:59 ` Andi Kleen
2005-10-07 17:08 ` Patrick McHardy
2005-10-07 17:21 ` Andi Kleen
2005-10-07 17:50 ` Patrick McHardy
2005-09-28 10:34 ` Henrik Nordstrom
2005-11-25 11:23 ` [PATCH] netfilter : zap get_cpu()/put_cpu() calls from ip_tables Eric Dumazet
2005-11-25 11:28 ` [PATCH (resent with the attachment !)] " Eric Dumazet
2005-11-25 18:20 ` Patrick McHardy
2005-09-21 21:29 ` [PATCH 1/3] netfilter : 3 patches to boost ip_tables performance Eric Dumazet
2005-09-22 12:57 ` Harald Welte
2005-09-22 13:17 ` Eric Dumazet
2005-09-21 21:32 ` [PATCH 2/3] " Eric Dumazet
2005-09-22 12:48 ` Harald Welte
2005-09-22 13:05 ` Eric Dumazet
2005-09-23 4:02 ` Willy Tarreau
2005-09-23 5:14 ` Eric Dumazet
2005-09-23 11:33 ` Willy Tarreau
2005-09-23 14:00 ` Tim Mattox
2005-09-21 21:37 ` [PATCH 3/3] " Eric Dumazet
2005-09-22 12:50 ` Harald Welte
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