From: Andi Kleen <andi@firstfloor.org>
To: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: David Miller <davem@davemloft.net>,
jgarzik@pobox.com, netdev@vger.kernel.org
Subject: Re: [RFC] netdevice ops
Date: 19 May 2007 16:18:02 +0200 [thread overview]
Message-ID: <p737ir4ew2t.fsf@bingen.suse.de> (raw)
In-Reply-To: <20070517225833.1b7e6acf@localhost>
Stephen Hemminger <shemminger@linux-foundation.org> writes:
>
> I would think a non-conditional deref would be easily pipelined.
> If the net_device struct was more cache dense, it probably would
> even out.
It might be a good idea to consider strategic prefetch points for it.
e.g. TCP executes quite a lot of code until it finally decides to dev_queue_xmit.
Prefetching before that might be a good idea.
-Andi
prev parent reply other threads:[~2007-05-19 13:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-18 4:07 [RFC] netdevice ops Stephen Hemminger
2007-05-18 4:23 ` Ben Greear
2007-05-18 4:49 ` David Miller
2007-05-18 6:42 ` Ben Greear
2007-05-18 4:50 ` David Miller
2007-05-18 4:54 ` Jeff Garzik
2007-05-18 5:05 ` David Miller
2007-05-18 5:58 ` Stephen Hemminger
2007-05-19 14:18 ` Andi Kleen [this message]
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