Re: [PATCH v11 0/8] x86/resctrl: mba_MBps enhancement

Moger, Babu
2024-12-09T19:15:31Z

On 12/9/24 11:57, Borislav Petkov wrote:
> On Mon, Dec 09, 2024 at 05:53:12PM +0000, Luck, Tony wrote:
>> v6.13-rc1 may give a lockdep splat when mounting /sys/fs/resctrl
>> (known CONFIG options to trigger this are:
>>
>> PROVE_LOCKING && SELINUX && (EXT4 || BTRFS)
>>
>> but there may be others).
>>
>> These resctrl patches are not directly dependent on the fixes that
>> went into -rc2:
>>
>> 22465bbac53c blk-mq: move cpuhp callback registering out of q->sysfs_lock
>> 4bf485a7db5d blk-mq: register cpuhp callback after hctx is added to xarray table
>>
>> they work ok on top of -rc1 (as long as you ignore the lockdep splat).
>
> Thanks for the details.
>
>> I see you already have one patch in TIP x86/cache on top of v6.13-rc1
>>
>> Your choice whether to rebase that to -rc2 and then apply my series. It
>> might make testing smoother.
>
> Yah, I can rebase. Not worth the hassle of dealing with bogus reports.
>

Sanity tested on AMD system. Changes look good.

Tested-by: Babu Moger <babu.moger@amd.com>

--
Thanks
Babu Moger