linux-kernel - Re: [Patch 0/2] sysfs: fix s

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Date:	Fri, 29 Jan 2010 18:57:28 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Greg KH <gregkh@...e.de>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Cong Wang <amwang@...hat.com>, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>, Miles Lane <miles.lane@...il.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	akpm@...ux-foundation.org
Subject: Re: [Patch 0/2] sysfs: fix s_active lockdep warning

On Fri, 2010-01-29 at 06:22 -0800, Greg KH wrote:
> 
> Heh, this whole mess is the very reason we didn't add lockdep support to
> the driver core.  Nested devices that all look alike from the driver
> core, are really different objects and the locking lifetimes are
> separate, but lockdep can't see that. 

And here I through Alan Stern had a handle on making the driver core
play nice.

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