linux-kernel - Re: [RFC 0/9] BKL conversion in TTY drivers

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Message-ID: <20100330233759.00877e80@lxorguk.ukuu.org.uk>
Date:	Tue, 30 Mar 2010 23:37:59 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, Greg KH <gregkh@...e.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	John Kacur <jkacur@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [RFC 0/9] BKL conversion in TTY drivers

> This means we are still safe, because there is no code
> left that the new BTM fails to serialize with.

We hope. I'm currently poking at sorting out the locking properly and
quite frankly the locking rules for the current tty reference have me
baffled. It clearly works as we've not got a pile of dumps in the
bugzilla tree but its also quite a mystery *how*.

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