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

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Date:	Thu, 07 Jun 2007 15:30:30 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	hadi@...erus.ca
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.

jamal wrote:
> 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?

our rx interrupt/clean can trigger tx cleans, reaching the same code...

Auke
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