netdev - Re: [net-next-2.6 PATCH 3/3] ixgbevf: Cache PF ack bit in interrupt

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Message-Id: <20100506.003220.42791584.davem@davemloft.net>
Date:	Thu, 06 May 2010 00:32:20 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, gregory.v.rose@...el.com
Subject: Re: [net-next-2.6 PATCH 3/3] ixgbevf: Cache PF ack bit in interrupt

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 05 May 2010 22:57:49 -0700

> From: Greg Rose <gregory.v.rose@...el.com>
> 
> When the PF acks a message from the VF the VF gets an interrupt.  It
> must cache the ack bit so that polling SW will not miss the ack.  Also
> avoid reading the message buffer on acks because that also will clear
> the ack bit.
> 
> Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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