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Date:   Fri, 30 Sep 2022 07:16:23 +0900
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Subject: Re: [PATCH 5.19 000/207] 5.19.12-rc1 review
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To:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org,
        lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com,
        f.fainelli@gmail.com, sudipm.mukherjee@gmail.com,
        slade@sladewatkins.com, Johannes Berg <johannes.berg@intel.com>,
        Hillf Danton <hdanton@sina.com>,
        Anders Roxell <anders.roxell@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>
References: <20220926100806.522017616@linuxfoundation.org>
 <CA+G9fYtxogp--B0Em6VCL0C3wwVFXa6xW-Rq2kQk3br+FPGLgg@mail.gmail.com>
 <YzKyIfQUq9eRbomG@kroah.com>
 <CA+G9fYu1L_qwCQ9x0FukJ=0J5sg5z0ttejT9BT_bPAgCEtmAnQ@mail.gmail.com>
From:   Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
In-Reply-To: <CA+G9fYu1L_qwCQ9x0FukJ=0J5sg5z0ttejT9BT_bPAgCEtmAnQ@mail.gmail.com>
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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@I-love.SAKURA.ne.jp>
>>     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@mail.gmail.com/

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