netdev - Re: [PATCH] ixgbe: initialize interrupt throttle rate

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Date:	Wed, 03 Sep 2008 09:27:04 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC:	netdev@...r.kernel.org, davem@...emloft.net, stable@...nel.org,
	andy@...yhouse.net, jesse.brandeburg@...el.com
Subject: Re: [PATCH] ixgbe: initialize interrupt throttle rate

Jeff Kirsher wrote:
> From: Andy Gospodarek <andy@...yhouse.net>
> 
> This commit dropped the setting of the default interrupt throttle rate.
> 
> commit 021230d40ae0e6508d6c717b6e0d6d81cd77ac25
> Author: Ayyappan Veeraiyan <ayyappan.veeraiyan@...el.com>
> Date:   Mon Mar 3 15:03:45 2008 -0800
> 
>     ixgbe: Introduce MSI-X queue vector code
> 
> The following patch adds it back.  Without this the default value of 0
> causes the performance of this card to be awful.  Restoring these to the
> default values yields much better performance.
> 
> This regression has been around since 2.6.25.
> 
> Signed-off-by: Andy Gospodarek <andy@...yhouse.net>
> Acked-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> CC: stable@...nel.org [2.6.25 and later]
> ---
> 
>  drivers/net/ixgbe/ixgbe_main.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)

applied


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