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Subject: Re: [PATCH] USB: fix deadlock in HCD code
From: Peter Zijlstra <peterz@infradead.org>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Greg KH <greg@kroah.com>, linux-usb@vger.kernel.org,
       Oliver Neukum <oneukum@suse.de>, Alan Stern <stern@rowland.harvard.edu>,
       lchiquitto@novell.com, linux-kernel@vger.kernel.org
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Date: Thu, 22 May 2008 00:26:08 +0200
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On Wed, 2008-05-21 at 14:09 +0200, Jiri Kosina wrote:
> hcd_urb_list_lock is used for synchronization between IRQ and non-IRQ 
> contexts, so the non-IRQ context has to disable IRQs in order to prevent 
> deadlocking with IRQ context.

Just wondering,... doesn't lockdep say anything about the situation?