netdev - Re: Multiqueue and virtualization WAS(Re: [PATCH 3/3] NET: [SCHED] Qdisc changes and sch

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Date:	Tue, 03 Jul 2007 22:20:11 -0400
From:	jamal <hadi@...erus.ca>
To:	David Miller <davem@...emloft.net>
Cc:	kaber@...sh.net, peter.p.waskiewicz.jr@...el.com,
	netdev@...r.kernel.org, jeff@...zik.org, auke-jan.h.kok@...el.com
Subject: Re: Multiqueue and virtualization WAS(Re: [PATCH 3/3] NET: [SCHED]
	Qdisc changes and sch_rr added for multiqueue

On Tue, 2007-03-07 at 14:24 -0700, David Miller wrote:
[.. some useful stuff here deleted ..]

> That's why you have to copy into a purpose-built set of memory
> that is composed of pages that _ONLY_ contain TX packet buffers
> and nothing else.
> 
> The cost of going through the switch is too high, and the copies are
> necessary, so concentrate on allowing me to map the guest ports to the
> egress queues.  Anything else is a waste of discussion time, I've been
> pouring over these issues endlessly for weeks, so if I'm saying doing
> copies and avoiding the switch is necessary I do in fact mean it. :-)

ok, i get it Dave ;-> Thanks for your patience, that was useful.
Now that is clear for me, I will go back and look at your original email
and try to get back on track to what you really asked ;->

cheers,
jamal

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