Re: [PATCH v5 2/2] io_uring: avoid unnecessary io_wq_work copy for fast poll feature

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On 6/3/20 7:46 AM, Pavel Begunkov wrote:
> On 02/06/2020 04:16, Xiaoguang Wang wrote:
>> hi Jens, Pavel,
>>
>> Will you have a look at this V5 version? Or we hold on this patchset, and
>> do the refactoring work related io_wq_work firstly.
> 
> It's entirely up to Jens, but frankly, I think it'll bring more bugs than
> merits in the current state of things.

Well, I'd really like to reduce the overhead where we can, particularly
when the overhead just exists to cater to the slow path.

Planning on taking the next week off and not do too much, but I'll see
if I can get some testing in with the current patches.

-- 
Jens Axboe




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