Re: tty: deadlock between n_tracerouter_receivebuf and flush_to_ldisc

[J Freyensee]

On Fri, 2016-01-15 at 16:33 +0000, One Thousand Gnomes wrote:
> On Fri, 15 Jan 2016 08:51:39 +0100
> Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
> 
> > On Wed, Dec 30, 2015 at 11:44 AM, Dmitry Vyukov <dvyukov@xxxxxxxxxx
> > > wrote:
> > > Hello,
> > > 
> > > I've got the following lock order inversion report on
> > > 8513342170278468bac126640a5d2d12ffbff106 (Dec 28). Unfortunately
> > > I
> > > failed to find a reproducer for it.
> > 
> > Ping. This is the most frequent failure during my testing now. J
> > Freyensee, you seem to wrote drivers/tty/n_tracerouter.c. Please
> > take
> > a look. Thanks.

I did look at the report but didn't see how n_tracerouter could be
causing the issue.  I apologize for not responding, and I thank you so
very much for providing the thorough explanation, Alan.

Jay

> 
> Alan