From: Jens Axboe <[email protected]>
To: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>,
Jann Horn <[email protected]>, io-uring <[email protected]>,
stable <[email protected]>, Josef <[email protected]>
Subject: Re: [PATCH 2/2] io_uring: use TWA_SIGNAL for task_work if the task isn't running
Date: Tue, 11 Aug 2020 08:12:25 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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
next prev parent reply other threads:[~2020-08-11 14:12 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-08 18:34 [PATCHSET 0/2] io_uring: use TWA_SIGNAL more carefully Jens Axboe
2020-08-08 18:34 ` [PATCH 1/2] kernel: split task_work_add() into two separate helpers Jens Axboe
2020-08-10 11:37 ` peterz
2020-08-10 15:01 ` Jens Axboe
2020-08-10 15:28 ` peterz
2020-08-10 17:51 ` Jens Axboe
2020-08-10 19:53 ` Peter Zijlstra
2020-08-08 18:34 ` [PATCH 2/2] io_uring: use TWA_SIGNAL for task_work if the task isn't running Jens Axboe
2020-08-10 11:42 ` peterz
2020-08-10 15:02 ` Jens Axboe
2020-08-10 19:21 ` Jens Axboe
2020-08-10 20:12 ` Peter Zijlstra
2020-08-10 20:13 ` Jens Axboe
2020-08-10 20:25 ` Jens Axboe
2020-08-10 20:32 ` Peter Zijlstra
2020-08-10 20:35 ` Jens Axboe
2020-08-10 20:35 ` Jann Horn
2020-08-10 21:06 ` Jens Axboe
2020-08-10 21:10 ` Peter Zijlstra
2020-08-10 21:12 ` Jens Axboe
2020-08-10 21:26 ` Jann Horn
2020-08-10 21:28 ` Jens Axboe
2020-08-10 22:01 ` Jens Axboe
2020-08-10 22:41 ` Jann Horn
2020-08-11 1:25 ` Jens Axboe
2020-08-11 6:45 ` Oleg Nesterov
2020-08-11 6:56 ` Peter Zijlstra
2020-08-11 7:14 ` Oleg Nesterov
2020-08-11 7:26 ` Oleg Nesterov
2020-08-11 7:49 ` Peter Zijlstra
2020-08-11 7:45 ` Peter Zijlstra
2020-08-11 8:10 ` Oleg Nesterov
2020-08-11 13:06 ` Jens Axboe
2020-08-11 14:05 ` Oleg Nesterov
2020-08-11 14:12 ` Jens Axboe [this message]
2020-08-10 21:27 ` Jens Axboe
2020-08-10 20:16 ` Jens Axboe
2020-08-13 16:25 ` Sasha Levin
2020-08-19 23:57 ` Sasha Levin
2020-08-19 23:59 ` Jens Axboe
2020-08-20 0:02 ` Jens Axboe
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