linux-kernel - Re: [patch 11/28] nvram: Drop the bkl from nvram

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Message-ID: <20091011221448.GA8146@nowhere>
Date:	Mon, 12 Oct 2009 00:14:49 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Arnd Bergmann <arndbergmann@...glemail.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Vincent Sanders <vince@...tec.co.uk>,
	John Kacur <jkacur@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Christoph Hellwig <hch@...radead.org>,
	Sven-Thorsten Dietrich <sven@...bigcorporation.com>,
	Alessio Igor Bogani <abogani@...ware.it>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Greg KH <gregkh@...e.de>
Subject: Re: [patch 11/28] nvram: Drop the bkl from nvram_llseek()

On Sun, Oct 11, 2009 at 11:50:24PM +0200, Arnd Bergmann wrote:
> On Sunday 11 October 2009, Frederic Weisbecker wrote:
> > Now I'm adding the ioctl() sites too:
> > 
> > git-grep "\.ioctl *=" | grep -P "^\S+\.c" | wc -l
> > 452
> > 
> > Hehe :)
> 
> Not all of them, fortunately.
> 
> There are various *_operations structures that have a .ioctl pointer.
> While there are a lot of struct file_operations with a locked .ioctl
> operation, stuff like block_device_operations does not hold the
> BKL in .ioctl but in .locked_ioctl.
> 
> 	Arnd <><


Oh right. Thanks for the tip.

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