From: Lars-Peter Clausen <lars@metafoo.de>
To: Alessandro Zummo <a.zummo@towertech.it>
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 11:52:36 +0200 [thread overview]
Message-ID: <53393AE4.505@metafoo.de> (raw)
In-Reply-To: <20140331114627.5e1a4609@linux.lan.towertech.it>
On 03/31/2014 11:46 AM, Alessandro Zummo wrote:
> On Sun, 30 Mar 2014 12:04:16 -0400
> Sasha Levin <sasha.levin@oracle.com> wrote:
>
>>> Look good, thanks!
>>
>> Or not...
>>
>> Hit it again during overnight fuzzing:
>>
>
> I think this is a different bug, please try this.
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.
- Lars
next prev parent reply other threads:[~2014-03-31 9:51 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 [this message]
2014-03-31 10:43 ` Alessandro Zummo
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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