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From: Alessandro Zummo <a.zummo@towertech.it>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: Sasha Levin <sasha.levin@oracle.com>, Tejun Heo <tj@kernel.org>,
	Greg KH <greg@kroah.com>,
	rtc-linux@googlegroups.com, LKML <linux-kernel@vger.kernel.org>
Subject: Re: kernfs/rtc: circular dependency between kernfs and ops_lock
Date: Mon, 31 Mar 2014 14:03:44 +0200	[thread overview]
Message-ID: <20140331140344.6030c7da@linux.lan.towertech.it> (raw)
In-Reply-To: <53394C5E.2030207@metafoo.de>

On Mon, 31 Mar 2014 13:07:10 +0200
Lars-Peter Clausen <lars@metafoo.de> wrote:

> It doesn't really matter where it is unregistered. device_unregister() will 
> (somewhere down it's callchain) take the kernfs lock, hence it must be 
> callled with the rtc mutex being held.

 Maybe device_remove_attrs could be called in the rtc base class,
 before the device removal?

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it


  reply	other threads:[~2014-03-31 12:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-22 17:51 kernfs/rtc: circular dependency between kernfs and ops_lock Sasha Levin
2014-02-22 20:52 ` Tejun Heo
2014-02-24 11:04   ` Alessandro Zummo
2014-03-25 21:52     ` Sasha Levin
2014-03-25 22:39       ` Alessandro Zummo
2014-03-26  0:19         ` Sasha Levin
2014-03-30  0:28           ` Sasha Levin
2014-03-30 16:04             ` Sasha Levin
2014-03-31  9:46               ` Alessandro Zummo
2014-03-31  9:52                 ` Lars-Peter Clausen
2014-03-31 10:43                   ` Alessandro Zummo
2014-03-31 11:07                     ` Lars-Peter Clausen
2014-03-31 12:03                       ` Alessandro Zummo [this message]
2014-03-31 12:19                         ` Lars-Peter Clausen
2014-04-02 22:51                           ` Sasha Levin

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