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Date: Mon, 7 Nov 2011 18:41:03 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Ilya Zykov <ilya@ilyx.ru>, Alan Cox <alan@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@suse.de>, linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: Race condition in tty buffer's function
 flush_to_ldisc().
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> see why the paths you indicate cause it ? If you make mthread a cpu
> struct variable and add a WARN_ON(1) in the error case do you get any

I mean tty struct (ie tty->mthread) of course sorry