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SubjectRe:[PATCH v5] locking/rwsem: Make handoff bit handling more consistent
Date
>>>>> Hi Waiman, Greg,
>>>>> This patch has been merged in branch linux-5.16.y.
>>>>> Can we take it to the linux-5.10.y LTS version?
>>>> What is "this patch"?
>>> commit d257cc8cb8d5355ffc43a96bab94db7b5a324803 ("locking/rwsem: Make handoff bit handling more consistent")
>> Have you tested it on the 5.10.y branch to verify it actually works
>> properly for you?
>>
>> If so, please provide a working backport to the stable list, as it does
>> not apply cleanly as-is.
>>
>> thanks,
>>
>> greg k-h
>>
> I have attached the 5.10.y backport of commit
> d257cc8cb8d5355ffc43a96bab94db7b5a324803 ("locking/rwsem: Make handoff
> bit handling more consistent"). I also include a backport of commit
> 2f06f702925b512a95b95dca3855549c047eef58 ("locking/rwsem: Prevent
> potential lock starvation") which I think may help Jaegeuk. I had run
> some sanity tests and the backported patches work fine. However, I don't
> have access to their testing environments to verify if they can fix the
> problems seem by Chen or Jaegeuk. So please test these patches to see if
> they can address your problems.

Hi Longman,

I'll do some stability testing on our 5.10 phone.

thanks,
Guanyou.Chen

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