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SubjectRe: kernfs/rtc: circular dependency between kernfs and ops_lock
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



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