linux-kernel - Re: [bisected] Re: tty lockdep trace

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Message-ID: <1496677312.10610.21.camel@gmx.de>
Date:   Mon, 05 Jun 2017 17:41:52 +0200
From:   Mike Galbraith <efault@....de>
To:     Alan Cox <gnomes@...rguk.ukuu.org.uk>
Cc:     Vegard Nossum <vegard.nossum@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dave Jones <davej@...emonkey.org.uk>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Jiri Slaby <jslaby@...e.com>
Subject: Re: [bisected] Re: tty lockdep trace

On Mon, 2017-06-05 at 16:09 +0100, Alan Cox wrote:
> On Sun, 04 Jun 2017 13:34:31 +0200
> Mike Galbraith <efault@....de> wrote:
> 
> > On Sun, 2017-06-04 at 12:00 +0200, Vegard Nossum wrote:
> > > 
> > > I don't know how you did it, but this passes my testing (reproducers for
> > > both the original issue and the lockdep splat/hang).  
> > 
> > I suppose I can sign it off, see if that inspires anyone to come up
> > with something better.
> > 
> > drivers/tty: Fix 925bb1ce47f4 circular locking dependency
> 
> This is still completely broken and has the same underlying flaw as the
> original.

Thanks for looking.  It didn't look the least bit lovely, it being
equally busted (well, ever so slightly less, lockdep did sthu;) is not
a shocker.  Off to the bin ya go little patchlet.

	-Mike