On 12/20/24 3:23 AM, Nilay Shroff wrote:
> On 12/18/24 15:46, Ming Lei wrote:
>> This reverts commit be26ba96421ab0a8fa2055ccf7db7832a13c44d2.
>>
>> Commit be26ba96421a ("block: Fix potential deadlock while freezing queue and
>> acquiring sysfs_loc") actually reverts commit 22465bbac53c ("blk-mq: move cpuhp
>> callback registering out of q->sysfs_lock"), and causes the original resctrl
>> lockdep warning.
>>
>> So revert it and we need to fix the issue in another way.
>>
> Hi Ming,
>
> Can we wait here for some more time before we revert this as this is
> currently being discussed[1] and we don't know yet how we may fix it?
>
> [1]https://lore.kernel.org/all/20241219061514.GA19575@xxxxxx/
It's already queued up and will go out today. Doesn't exclude people
working on solving this for real.
--
Jens Axboe
