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Re: [bisected] Re: tty lockdep trace

From Mike Galbraith <efault@gmx.de>
Newsgroups linux.kernel
Subject Re: [bisected] Re: tty lockdep trace
Date 2017-06-05 17:50 +0200
Message-ID <tP2qt-4Jd-5@gated-at.bofh.it> (permalink)
References (2 earlier) <tOzeO-2mD-3@gated-at.bofh.it> <tOzHQ-2Og-5@gated-at.bofh.it> <tOADT-3sO-3@gated-at.bofh.it> <tOC2Z-4oc-9@gated-at.bofh.it> <tP1NM-4wR-7@gated-at.bofh.it>
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On Mon, 2017-06-05 at 16:09 +0100, Alan Cox wrote:
> On Sun, 04 Jun 2017 13:34:31 +0200
> Mike Galbraith <efault@gmx.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

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Thread

tty lockdep trace Dave Jones <davej@codemonkey.org.uk> - 2017-05-31 19:30 +0200
  [bisected] Re: tty lockdep trace Mike Galbraith <efault@gmx.de> - 2017-06-03 08:40 +0200
    Re: [bisected] Re: tty lockdep trace Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-04 10:40 +0200
      Re: [bisected] Re: tty lockdep trace Mike Galbraith <efault@gmx.de> - 2017-06-04 11:10 +0200
        Re: [bisected] Re: tty lockdep trace Vegard Nossum <vegard.nossum@oracle.com> - 2017-06-04 12:10 +0200
          Re: [bisected] Re: tty lockdep trace Mike Galbraith <efault@gmx.de> - 2017-06-04 13:40 +0200
            Re: [bisected] Re: tty lockdep trace Alan Cox <gnomes@lxorguk.ukuu.org.uk> - 2017-06-05 17:10 +0200
              Re: [bisected] Re: tty lockdep trace Mike Galbraith <efault@gmx.de> - 2017-06-05 17:50 +0200
          [patch] tty: fix port buffer locking V2 Mike Galbraith <efault@gmx.de> - 2017-06-05 07:00 +0200
            Re: [patch] tty: fix port buffer locking V2 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-05 08:50 +0200
              Re: [patch] tty: fix port buffer locking V2 Mike Galbraith <efault@gmx.de> - 2017-06-05 09:20 +0200

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