netdev - Re: [net-next PATCH 3/3] ixgbe: Fixup the watchdog interrupt scheduling on 82599

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Message-Id: <20090320.013210.108262229.davem@davemloft.net>
Date:	Fri, 20 Mar 2009 01:32:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	jesse.brandeburg@...el.com, peter.p.waskiewicz.jr@...el.com
Subject: Re: [net-next PATCH 3/3] ixgbe: Fixup the watchdog interrupt
 scheduling on 82599

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Thu, 19 Mar 2009 04:24:04 -0700

> The watchdog will schedule an interrupt to help make sure queues are
> cleaned in the case when an interrupt is missed, most likely due to very
> high load.  On 82599, there are extra interrupt registers to account for
> the larger number of MSI-X vectors (64 total for 82599 vs. 18 total for
> 82598).  These must be taken into account when performing this operation in
> the watchdog.
> 
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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