linux-kernel - Re: lockdep says circular locking since "tty: localise the lock"

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Message-ID: <Pine.LNX.4.44L0.1210241112430.1481-100000@iolanthe.rowland.org>
Date:	Wed, 24 Oct 2012 11:13:18 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
cc:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Alan Cox <alan@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>
Subject: Re: lockdep says circular locking since "tty: localise the lock"

On Wed, 24 Oct 2012, Sebastian Andrzej Siewior wrote:

> On Wed, Oct 17, 2012 at 09:20:35PM +0200, Sebastian Andrzej Siewior wrote:
> > With dummy_hcd and g_nokia (that is CONFIG_USB_GADGET=m,
> > CONFIG_USB_DUMMY_HCD=m, CONFIG_USB_G_NOKIA=m) I see a lockdep complaing
> > about a "circular locking dependency" after executing
> 
> ping? Or is it an obvious false positive?
> 
> Sebastian

Are you pinging yourself?  That's what it looks like...  :-)

Alan Stern

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