Re: [PATCH 5.19 000/207] 5.19.12-rc1 review

From: Tetsuo Handa
Date: Thu Sep 29 2022 - 18:16:33 EST


On 2022/09/30 0:43, Naresh Kamboju wrote:
> Anders bisected this reported problem [1] and found this commit caused
> deadlock on all arm64 devices.
>
>> Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
>> workqueue: don't skip lockdep work dependency in cancel_work_sync()

My patch itself is correct; just started reporting possibility of deadlock.
You will see several reports like this, but that is an expected result.

>
>
> [1] https://lore.kernel.org/stable/CA+G9fYtxogp--B0Em6VCL0C3wwVFXa6xW-Rq2kQk3br+FPGLgg@xxxxxxxxxxxxxx/

The line which causes this report will be removed by commit bb87672562f871ed
("Bluetooth: Remove update_scan hci_request dependancy").