linux-kernel - Re: [PATCH 2/2] lockdep: annotate bcsp driver

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Message-ID: <20061030090655.GA28026@elte.hu>
Date:	Mon, 30 Oct 2006 10:06:55 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Jiri Kosina <jikos@...os.cz>,
	Marcel Holtmann <marcel@...tmann.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 2/2] lockdep: annotate bcsp driver


* Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> =============================================
> [ INFO: possible recursive locking detected ]
> 2.6.18-1.2699.fc6 #1
> ---------------------------------------------
> swapper/0 is trying to acquire lock:
>  (&list->lock#3){+...}, at: [<c05ad307>] skb_dequeue+0x12/0x43
> 
> but task is already holding lock:
>  (&list->lock#3){+...}, at: [<df98cd79>] bcsp_dequeue+0x6a/0x11e [hci_uart]
> 
> 
> Two different list locks nest, annotate so.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
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