Re: [PATCH 0/3] io_uring: clean wq path

From: Jens Axboe
Date: Thu Feb 06 2020 - 09:26:27 EST


On 2/6/20 2:51 AM, Pavel Begunkov wrote:
> On 2/6/2020 5:50 AM, Jens Axboe wrote:
>> On 2/5/20 3:29 PM, Pavel Begunkov wrote:
>>> On 05/02/2020 22:07, Pavel Begunkov wrote:
>>>> This is the first series of shaving some overhead for wq-offloading.
>>>> The 1st removes extra allocations, and the 3rd req->refs abusing.
>>>
>>> Rechecked a couple of assumptions, this patchset is messed up.
>>> Drop it for now.
>>
>> OK, will do, haven't had time to look at it yet anyway.
>
> Sorry for the fuss. I'll return to it later.

No worries

>> Are you going to do the ->has_user removal? We should just do that
>> separately first.
> Yes. I've spotted a few bugs, so I'm going to patch them first with
> merging/backporting in mind, and then deal with ->has_user. IMO, this
> order makes more sense.

I think it probably makes sense to do it in the opposite order, as the
->has_user cleanup/clarification should go into 5.6 whereas the other
stuff is likely 5.7 material.

--
Jens Axboe