From: Sasha Levin <sasha.levin@oracle.com>
To: Alessandro Zummo <a.zummo@towertech.it>
Cc: 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: Tue, 25 Mar 2014 20:19:16 -0400 [thread overview]
Message-ID: <53321D04.2040102@oracle.com> (raw)
In-Reply-To: <20140325233936.655a798e@linux.lan.towertech.it>
On 03/25/2014 06:39 PM, Alessandro Zummo wrote:
> On Tue, 25 Mar 2014 17:52:30 -0400
> Sasha Levin <sasha.levin@oracle.com> wrote:
>
>>>
>>> Pretty interesting indeed. One option would be to remove
>>> the sys files before acquiring the lock. But I wonder
>>> if this could lead to other issues.
>>>
>>
>> Ping? Seems this thing got lost.
>
> What if we move
>
> rtc_sysfs_del_device(rtc);
>
> before acquiring the lock?
Trying it now, I'll leave it going for a week and see if it reproduces.
Thanks,
Sasha
next prev parent reply other threads:[~2014-03-26 0:19 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 [this message]
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
2014-03-31 12:19 ` Lars-Peter Clausen
2014-04-02 22:51 ` Sasha Levin
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