linux-kernel - Re: [PATCH] forcedeth: hardirq lockdep warning

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Message-ID: <451093A5.20800@linux.intel.com>
Date:	Wed, 20 Sep 2006 09:04:37 +0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Andrew Morton <akpm@...l.org>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ayaz Abdulla <aabdulla@...dia.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>, Ingo Molnar <mingo@...e.hu>,
	Dave Jones <davej@...hat.com>
Subject: Re: [PATCH] forcedeth: hardirq lockdep warning


> That's "fix deadlock", not "fix lockdep warning".  However it's often the
> case that it's not really deadlockable because (often) the card's IRQ line
> has been disabled.  That appears to be the case in nv_do_nic_poll()'s call
> to nv_nic_irq_tx, for example.
> 

except when it's a shared irq line, then the game rules changed ;)
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