netdev - Re: [PATCH] sfc: Call netif_napi_add() before registering our interrupt handler

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Message-Id: <20090331.150729.74805590.davem@davemloft.net>
Date:	Tue, 31 Mar 2009 15:07:29 -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] sfc: Call netif_napi_add() before registering our
 interrupt handler

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Tue, 31 Mar 2009 20:07:44 +0100

> If we use a shared legacy IRQ then our interrupt handler may be called
> as soon as it is registered even though IRQs are disabled on the NIC.
> Now that the legacy interrupt handler also checks for event delivery,
> it may decide to schedule polling in this case.  Ensure that the NAPI
> context is valid but disabled at this point.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied, thanks.
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