linux-kernel - Re: [PATCH] driver core: fix shutdown races with probe/remove(v2)

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Message-ID: <Pine.LNX.4.44L0.1206211210510.1164-100000@iolanthe.rowland.org>
Date:	Thu, 21 Jun 2012 12:12:43 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Ming Lei <ming.lei@...onical.com>
cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<stable@...r.kernel.org>
Subject: Re: [PATCH] driver core: fix shutdown races with probe/remove(v2)

On Fri, 22 Jun 2012, Ming Lei wrote:

> On Thu, Jun 21, 2012 at 9:49 PM, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> 
> > We also have not made the rule that a shutdown will complete in a
> > specific amount of time either, so there is no problem if that takes a
> > long time as well.
> 
> OK, I will submit a new patch which just holds device lock.
> 
> Alan, do you have objections on the new one?

No objections.  It should end up being pretty much like one of the 
patches you posted earlier.

Should there be an option for a debug log of each device name just 
before its shutdown routine is called?

Alan Stern

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