linux-kernel - Re: [tip:bkl/drivers] drivers: Remove BKL from misc

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Date:	Wed, 14 Oct 2009 18:07:55 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Arnd Bergmann <arndbergmann@...glemail.com>
cc:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	gregkh@...e.de, linux-tip-commits@...r.kernel.org
Subject: Re: [tip:bkl/drivers] drivers: Remove BKL from misc_open

On Wed, 14 Oct 2009, Arnd Bergmann wrote:
> On Wednesday 14 October 2009, tip-bot for Thomas Gleixner wrote:
> > Commit-ID:  40b798efe3460797a4ac928ee2e038774e2758eb
> > Gitweb:     http://git.kernel.org/tip/40b798efe3460797a4ac928ee2e038774e2758eb
> > Author:     Thomas Gleixner <tglx@...utronix.de>
> > AuthorDate: Sat, 10 Oct 2009 15:35:43 +0000
> > Committer:  Thomas Gleixner <tglx@...utronix.de>
> > CommitDate: Wed, 14 Oct 2009 17:33:32 +0200
> > 
> > drivers: Remove BKL from misc_open
> > 
> > misc_open() is already serialized with misc_mtx. Remove the BKL
> > locking which got there via the BKL pushdown.
> 
> Did you check the misc drivers to make sure this is not silently
> removing the BKL from drivers that need it?

Yep, they are plastered with cycle_kernel_lock and lock/unlock_kernel
already. I might have missed some, but ...

Thanks,

	tglx


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