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 12:43:51 +0200 [thread overview]
Message-ID: <20140331124351.43033c93@linux.lan.towertech.it> (raw)
In-Reply-To: <53393AE4.505@metafoo.de>
On Mon, 31 Mar 2014 11:52:36 +0200
Lars-Peter Clausen <lars@metafoo.de> wrote:
> It's the same bug, device_unregister(&rtc->dev) will try to unregister all
> sysfs files attached to the device and that function is still called with
> the rtc mutex held.
rtc-cmos tries to unregister the rtc device in the probe function,
which should not be done.
the last patches fixes it. I'll keep trying to trigger the bug on my systems.
--
Best regards,
Alessandro Zummo,
Tower Technologies - Torino, Italy
http://www.towertech.it
next prev parent reply other threads:[~2014-03-31 10:43 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 [this message]
2014-03-31 11:07 ` Lars-Peter Clausen
2014-03-31 12:03 ` Alessandro Zummo
2014-03-31 12:19 ` Lars-Peter Clausen
2014-04-02 22:51 ` Sasha Levin
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