linux-kernel - Re: [PATCH RESEND] tty: don't dead lock while flushing workqueue

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Date:	Fri, 30 Nov 2012 09:21:43 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, Alan Cox <alan@...ux.intel.com>
Subject: Re: [PATCH RESEND] tty: don't dead lock while flushing workqueue

On Fri, Nov 30, 2012 at 06:09:38PM +0100, Sebastian Andrzej Siewior wrote:
> On Tue, Nov 27, 2012 at 07:01:08PM +0100, Sebastian Andrzej Siewior wrote:
> > Since commit 89c8d91e31f2 ("tty: localise the lock") I see a dead lock
> > in one of my dummy_hcd + g_nokia test cases. The first run one was usually
> > okay, the second often resulted in a splat by lockdep and the third was
> > usually a dead lock.
> 
> Ping. Can you feed this to your tty tree? :)

It's really late in the release cycle, I would like to have this get
more testing in linux-next before I send it to Linus, so I was going to
wait until after 3.8-rc1 is out before doing it.

I'm doing the same thing for all tty/serial patches right now, so don't
feel like I'm picking on you :)

thanks,

greg k-h
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