linux-kernel - Re: [PATCH 2/3, RFC] watchdog dev BKL pushdown

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Message-ID: <20080520094253.646c7198@core>
Date:	Tue, 20 May 2008 09:42:53 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Jonathan Corbet <corbet@....net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexander Viro <viro@....linux.org.uk>,
	linux-kernel@...r.kernel.org, Wim Van Sebroeck <wim@...ana.be>
Subject: Re: [PATCH 2/3, RFC] watchdog dev BKL pushdown

On Tue, 20 May 2008 01:14:23 +0200
Arnd Bergmann <arnd@...db.de> wrote:

> The Big Kernel Lock has been pushed down from chardev_open
> to misc_open, this change moves it to the individual watchdog
> driver open functions.

NAK. I've posted set of bigger patches which actually fix up all the
watchdog locking code - and simply adding lock/unlock kernel isn't enough
because of all the bugs in the code (it won't make it worse but it won't
fix it either).

Alan
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