netdev - Re: [RFC net-next 07/14] Fix intel/ixgbe

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Message-ID: <1340182514.4604.843.camel@edumazet-glaptop>
Date:	Wed, 20 Jun 2012 10:55:14 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alexander Duyck <alexander.h.duyck@...el.com>
Cc:	Yuval Mintz <yuvalmin@...adcom.com>, netdev@...r.kernel.org,
	davem@...emloft.net, eilong@...adcom.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: Re: [RFC net-next 07/14] Fix intel/ixgbe

On Tue, 2012-06-19 at 08:54 -0700, Alexander Duyck wrote:

> This patch doesn't limit the number of queues.  It is limiting the
> number of interrupts.  The two are not directly related as we can
> support multiple queues per interrupt.
> 
> Also this change assumes we are only using receive side scaling.  We
> have other features such as DCB, FCoE, and Flow Director which require
> additional queues.
> 

Yet, it would be good if ixgbe doesnt allocate 36 queues on a 4 cpu
machine.

"tc -s class show dev eth0" output is full of not used classes.



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