Re: [PATCH 2/2] io_uring: use TWA_SIGNAL for task_work if the task isn't running

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On 8/11/20 8:05 AM, Oleg Nesterov wrote:
> On 08/11, Jens Axboe wrote:
>>
>> I'd really like to get this done at the same time as the io_uring
>> change. Are you open to doing the READ_ONCE() based JOBCTL_TASK_WORK
>> addition for 5.9?
> 
> Yes, the patch looks fine to me. In fact I was going to add this
> optimization from the very beginning, but then decided to make that
> patch as simple as possible.

OK great, I'll send that out separately.

> And in any case I personally like this change much more than 1/2 +
> 2/2 which I honestly don't understand ;)

Yes, in retrospect, me too :-)

-- 
Jens Axboe




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