linux-kernel - Re: [PATCH v2 1/2] TTY: don't allow reopen when ldisc is changing

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Message-ID: <20101129223229.GC14663@kroah.com>
Date:	Mon, 29 Nov 2010 14:32:29 -0800
From:	Greg KH <greg@...ah.com>
To:	Kyle McMartin <kyle@...artin.ca>
Cc:	Jiri Slaby <jslaby@...e.cz>, gregkh@...e.de,
	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH v2 1/2] TTY: don't allow reopen when ldisc is changing

On Mon, Nov 29, 2010 at 05:23:42PM -0500, Kyle McMartin wrote:
> On Mon, Nov 29, 2010 at 01:48:37PM -0800, Greg KH wrote:
> > >  [<ffffffff8103b189>] warn_slowpath_common+0x80/0x98
> > >  [<ffffffff8103b1b6>] warn_slowpath_null+0x15/0x17
> > >  [<ffffffff8128a3ab>] tty_open+0x2a2/0x49a
> > >  [<ffffffff810fd53f>] chrdev_open+0x11d/0x146
> > 
> > Are these two patches also for the .36 kernel?  Kyle, you were seeing
> > the warnings show up there, right?
> > 
> 
> Yup, I guess they turned up when the BKL went away. (I reverted the BKL
> removal patches on top of 2.6.36, and never saw this WARN_ON trigger at
> least.)

Ok, thanks, that helps.

greg k-h
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