Re: [PATCH 5.15 000/251] 5.15.47-rc2 review

Suzuki K Poulose
2022-06-16T08:05:09Z

On 15/06/2022 14:38, Jan Kara wrote:
> On Wed 15-06-22 13:00:22, Jan Kara wrote:
>> On Tue 14-06-22 12:00:22, Linus Torvalds wrote:
>>> On Tue, Jun 14, 2022 at 11:51 AM Linus Torvalds
>>> <torvalds@linux-foundation.org> wrote:
>>>>
>>>> Or just make sure that noop_backing_dev_info is fully initialized
>>>> before it's used.
>>>
>>> I don't see any real reason why that
>>>
>>> err = bdi_init(&noop_backing_dev_info);
>>>
>>> couldn't just be done very early. Maybe as the first call in
>>> driver_init(), before the whole devtmpfs_init() etc.
>>
>> I've checked the dependencies and cgroups (which are the only non-trivial
>> dependency besides per-CPU infrastructure) are initialized early enough so
>> it should work fine. So let's try that.
>
> Attached patch boots for me. Guys, who was able to reproduce the failure: Can
> you please confirm this patch fixes your problem?
>
> Honza

Works for me too

Tested-by: Suzuki K Poulose <suzuki.poulose@arm.com>