netdev - Re: [PATCH] NET: Multiqueue network device support.

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Message-Id: <1181255204.4071.31.camel@localhost>
Date:	Thu, 07 Jun 2007 18:26:43 -0400
From:	jamal <hadi@...erus.ca>
To:	"Kok, Auke" <auke-jan.h.kok@...el.com>
Cc:	Jeff Garzik <jeff@...zik.org>, David Miller <davem@...emloft.net>,
	kaber@...sh.net, peter.p.waskiewicz.jr@...el.com,
	netdev@...r.kernel.org,
	Jesse Brandeburg <jesse.brandeburg@...el.com>
Subject: Re: [PATCH] NET: Multiqueue network device support.

On Thu, 2007-07-06 at 15:06 -0700, Kok, Auke wrote:

> the contention isn't between multiple tx attempts, but between e1000_clean and 
> tx. 

I got you the first time but i think i am missing something:  given that
the lock is used only on tx - how is that protecting the contention
between tx and rx?

> You'll need bidirectional traffic with multiple clients probably to hit it...

I did - but it was asymettric i.e very heavy on tx.

cheers,
jamal

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