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From: jamal <hadi@cyberus.ca>
To: Changli Gao <xiaosuo@gmail.com>
Cc: David Miller <davem@davemloft.net>,
	Tom Herbert <therbert@google.com>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	netdev@vger.kernel.org
Subject: Re: [PATCH v3] rps: optimize rps_get_cpu()
Date: Sat, 24 Apr 2010 12:22:30 -0400	[thread overview]
Message-ID: <1272126150.8918.20.camel@bigi> (raw)
In-Reply-To: <q2i412e6f7f1004240919la9825819i81a4d3063ed781a5@mail.gmail.com>

On Sun, 2010-04-25 at 00:19 +0800, Changli Gao wrote:

> Maybe I have used the wrong word. Sorry. If the ports are already in
> cache, the new code has only one cache access for ports, and the later
> operations are in registers.

Ok, that makes more sense - so your commit log is confusing.
You are saving a shift operation per packet - probably not a big deal
but better than zero ;->

cheers,
jamal


  reply	other threads:[~2010-04-24 16:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-24 15:17 [PATCH v3] rps: optimize rps_get_cpu() Changli Gao
2010-04-24 16:04 ` jamal
2010-04-24 16:19   ` Changli Gao
2010-04-24 16:22     ` jamal [this message]
2010-04-25  5:51 ` David Miller
2010-04-25  6:48   ` Changli Gao
2010-04-25  7:38     ` David Miller
2010-04-25  7:48       ` David Miller
2010-04-25  8:03         ` Changli Gao

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