linux-kernel - Re: Lockdep false positive in sysfs

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Message-ID: <20120427201704.GK26595@google.com>
Date:	Fri, 27 Apr 2012 13:17:04 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Lockdep false positive in sysfs

On Fri, Apr 27, 2012 at 02:27:26PM -0400, Alan Stern wrote:
> Which do you prefer: temporarily dropping the lockdep annotation, or
> deferring the work to the per-task work queue?  Note that these "flush
> before returning to userspace" things aren't in the kernel yet.

It's about lockdep.  Let's not spill out to other areas unnecessarily.
I'd much prefer just working around lockdep annotation.

Thanks.

-- 
tejun
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