netdev - Re: [PATCH net-next-2.6 1/2] can: add driver for Softing card

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Message-ID: <20110103162826.GC320@e-circ.dyndns.org>
Date:	Mon, 3 Jan 2011 17:28:26 +0100
From:	Kurt Van Dijck <kurt.van.dijck@....be>
To:	Marc Kleine-Budde <mkl@...gutronix.de>
Cc:	netdev@...r.kernel.org, socketcan-core@...ts.berlios.de
Subject: Re: [PATCH net-next-2.6 1/2] can: add driver for Softing card

On Thu, Dec 23, 2010 at 03:25:07PM +0100, Marc Kleine-Budde wrote:
> 
> Another option is to write a threaded interrupt handler.
It seems a threaded irq is the way to go.
During the implementation, a locking issue came up.
Am I right that within a threaded irq handler, I should use spin_lock_bh()
to prevent the ndo_start_xmit() to be called (ie. prevent the softirq).
> 

Kurt
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