netdev - Re: [PATCH 2/5] sfc: Work around unreliable legacy interrupt status

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Message-Id: <20090321.190947.16125988.davem@davemloft.net>
Date:	Sat, 21 Mar 2009 19:09:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH 2/5] sfc: Work around unreliable legacy interrupt status

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Fri, 20 Mar 2009 23:26:41 +0000

> In rare cases, reading the legacy interrupt status register can
> acknowledge an event queue whose attention flag has not yet been set
> in the register.  Until we service this event queue it will not
> generate any more interrupts.  Therefore, as a secondary check, poll
> the next slot in each active event queue whose flag is not set.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
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