From: Auke Kok <auke-jan.h.kok@intel.com>
To: Ingo Oeser <ioe-lkml@rameria.de>
Cc: "Jörn Engel" <joern@wohnheim.fh-wedel.de>,
"Ingo Oeser" <netdev@axxeo.de>,
"David S. Miller" <davem@davemloft.net>,
simlo@phys.au.dk, linux-kernel@vger.kernel.org, mingo@elte.hu,
netdev@vger.kernel.org
Subject: Re: Van Jacobson's net channels and real-time
Date: Mon, 24 Apr 2006 09:42:13 -0700 [thread overview]
Message-ID: <444CFFE5.1020509@intel.com> (raw)
In-Reply-To: <200604230205.33668.ioe-lkml@rameria.de>
Ingo Oeser wrote:
> On Saturday, 22. April 2006 15:49, Jörn Engel wrote:
>> That was another main point, yes. And the endpoints should be as
>> little burden on the bottlenecks as possible. One bottleneck is the
>> receive interrupt, which shouldn't wait for cachelines from other cpus
>> too much.
>
> Thats right. This will be made a non issue with early demuxing
> on the NIC and MSI (or was it MSI-X?) which will select
> the right CPU based on hardware channels.
MSI-X. with MSI you still have only one cpu handling all MSI interrupts and
that doesn't look any different than ordinary interrupts. MSI-X will allow
much better interrupt handling across several cpu's.
Auke
next prev parent reply other threads:[~2006-04-24 16:43 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-20 16:29 Van Jacobson's net channels and real-time Esben Nielsen
2006-04-20 19:09 ` David S. Miller
2006-04-21 16:52 ` Ingo Oeser
2006-04-22 11:48 ` Jörn Engel
2006-04-22 13:29 ` Ingo Oeser
2006-04-22 13:49 ` Jörn Engel
2006-04-23 0:05 ` Ingo Oeser
2006-04-23 5:50 ` David S. Miller
2006-04-24 16:42 ` Auke Kok [this message]
2006-04-24 16:59 ` linux-os (Dick Johnson)
2006-04-24 17:19 ` Rick Jones
2006-04-24 18:12 ` linux-os (Dick Johnson)
2006-04-24 23:17 ` Michael Chan
2006-04-25 1:49 ` Auke Kok
2006-04-25 11:29 ` linux-os (Dick Johnson)
2006-05-02 12:41 ` Vojtech Pavlik
2006-05-02 15:58 ` Andi Kleen
2006-04-23 5:52 ` David S. Miller
2006-04-23 9:23 ` Avi Kivity
2006-04-23 5:51 ` David S. Miller
2006-04-23 5:56 ` David S. Miller
2006-04-23 14:15 ` Ingo Oeser
2006-04-22 19:30 ` bert hubert
2006-04-23 5:53 ` David S. Miller
2006-04-21 8:53 ` Jan Kiszka
2006-04-24 14:22 ` Esben Nielsen
2006-04-27 8:09 ` Jan Kiszka
2006-04-27 8:16 ` David S. Miller
2006-04-27 10:00 ` Jan Kiszka
2006-04-27 19:50 ` David S. Miller
-- strict thread matches above, loose matches on Subject: below --
2006-04-24 17:28 Caitlin Bestler
[not found] <63KcN-6lD-25@gated-at.bofh.it>
[not found] ` <64wrg-2cg-41@gated-at.bofh.it>
[not found] ` <64wAE-2Cs-9@gated-at.bofh.it>
[not found] ` <64AkV-8cG-7@gated-at.bofh.it>
[not found] ` <65cqo-5tR-33@gated-at.bofh.it>
[not found] ` <65cJF-66i-11@gated-at.bofh.it>
2006-04-24 23:48 ` Robert Hancock
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