From: "David S. Miller" <davem@redhat.com>
To: Andi Kleen <ak@suse.de>
Cc: ak@suse.de, modica@sgi.com, johnip@sgi.com, netdev@oss.sgi.com,
jgarzik@pobox.com, jes@sgi.com
Subject: Re: Tigon3 5701 PCI-X recv performance problem
Date: Wed, 8 Oct 2003 13:24:02 -0700 [thread overview]
Message-ID: <20031008132402.64984528.davem@redhat.com> (raw)
In-Reply-To: <20031008202248.GA15611@oldwotan.suse.de>
On Wed, 8 Oct 2003 22:22:48 +0200
Andi Kleen <ak@suse.de> wrote:
> It's not that it's a new problem - we had this since the Alpha port
> and it hasn't gotten more urgent suddenly.
Frankly, I just want to shut all the ia64 users up because they keep
barking due to the kernel unaligned trap message that port spits out.
> Hmm - you mean it allocates a full page and does suballocation by itself?
We could write some helper routines.
> The suballocation would need to be per CPU to be SMP efficient I guess,
> which would complicate it.
Andi, stop right there, we're talking about mitigating the horrible
performance some $6.00 USD Taiwaneese network cards get on expensive
ia64 systems. How much effort do you think we should drain into
optimizing this? :-)
next prev parent reply other threads:[~2003-10-08 20:24 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-08 17:12 Tigon3 5701 PCI-X recv performance problem John Partridge
2003-10-08 17:10 ` David S. Miller
2003-10-08 17:52 ` John Partridge
2003-10-08 18:26 ` David S. Miller
2003-10-08 19:02 ` John Partridge
2003-10-08 19:11 ` Steve Modica
2003-10-08 19:15 ` David S. Miller
2003-10-08 18:21 ` Steve Modica
2003-10-08 18:29 ` David S. Miller
2003-10-08 18:37 ` Andi Kleen
2003-10-08 19:22 ` David S. Miller
2003-10-08 20:22 ` Andi Kleen
2003-10-08 20:24 ` David S. Miller [this message]
2003-10-08 20:33 ` Andi Kleen
2003-10-08 20:32 ` David S. Miller
2003-10-08 20:46 ` Andi Kleen
2003-10-08 20:50 ` David S. Miller
2003-10-10 19:05 ` Steve Modica
2003-10-10 19:20 ` Andi Kleen
2003-10-11 13:17 ` Steve Modica
2003-10-11 13:19 ` Andi Kleen
2003-10-11 17:50 ` David S. Miller
2003-10-13 19:53 ` John Partridge
2003-10-13 19:51 ` David S. Miller
2003-10-14 16:49 ` John Partridge
2003-10-14 16:53 ` David S. Miller
2003-11-11 1:24 ` John Partridge
2003-11-11 2:29 ` David S. Miller
2003-11-11 20:04 ` John Partridge
2003-11-11 20:24 ` David S. Miller
2003-11-11 21:26 ` John Partridge
2003-11-11 21:32 ` Jeff Garzik
2003-12-03 22:11 ` John Partridge
2003-11-11 21:39 ` John Partridge
2003-11-11 23:09 ` David S. Miller
2003-11-11 23:53 ` Andi Kleen
2003-11-12 1:46 ` John Partridge
2003-11-12 6:19 ` Andi Kleen
2003-11-12 7:05 ` Jeff Garzik
2003-11-12 15:32 ` John Partridge
2003-11-12 15:43 ` Christoph Hellwig
2003-11-11 20:25 ` David S. Miller
2003-11-11 20:57 ` Jeff Garzik
2003-10-14 18:47 ` John Partridge
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