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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

  parent reply	other threads:[~2006-04-24 16:43 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.44L0.0604201819040.19330-100000@lifa01.phys.au.dk>
2006-04-20 19:09 ` Van Jacobson's net channels and real-time 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
2006-04-24 17:28 Caitlin Bestler

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