From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>,
Xiaoguang Wang <[email protected]>,
[email protected]
Cc: [email protected]
Subject: Re: [PATCH v5 2/2] io_uring: avoid unnecessary io_wq_work copy for fast poll feature
Date: Mon, 8 Jun 2020 10:43:07 +0300 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 08/06/2020 02:29, Jens Axboe wrote:
> On 6/7/20 2:57 PM, Pavel Begunkov wrote:
>> -#define INIT_IO_WORK(work, _func) \
>> +#define INIT_IO_WORK(work) \
>> do { \
>> - *(work) = (struct io_wq_work){ .func = _func }; \
>> + *(work) = (struct io_wq_work){}; \
>> } while (0) \
>>
>
> Would be nice to optimize this one, it's a lot of clearing for something
> we'll generally not use at all in the fast path. Or at least keep it
> only for before when we submit the work for async execution.
Let's leave it to Xiaoguang and the series of the topic.
>
> From a quick look at this, otherwise looks great! Please do split and
> submit this.
Sure. Have great time off!
--
Pavel Begunkov
next prev parent reply other threads:[~2020-06-08 7:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-30 14:39 [PATCH v4 1/2] io_uring: avoid whole io_wq_work copy for requests completed inline Xiaoguang Wang
2020-05-30 14:39 ` [PATCH v4 2/2] io_uring: avoid unnecessary io_wq_work copy for fast poll feature Xiaoguang Wang
2020-05-30 16:44 ` [PATCH v4 1/2] io_uring: avoid whole io_wq_work copy for requests completed inline Jens Axboe
2020-05-30 17:14 ` Jens Axboe
2020-05-30 17:29 ` Jens Axboe
2020-05-30 17:36 ` Pavel Begunkov
2020-05-31 13:57 ` Xiaoguang Wang
2020-05-31 14:49 ` Pavel Begunkov
2020-05-31 14:12 ` Xiaoguang Wang
2020-05-31 14:31 ` Xiaoguang Wang
2020-05-31 14:57 ` Pavel Begunkov
2020-05-31 16:15 ` Xiaoguang Wang
2020-06-01 10:43 ` Pavel Begunkov
2020-06-01 11:50 ` Xiaoguang Wang
2020-06-01 4:56 ` [PATCH v5 " Xiaoguang Wang
2020-06-01 4:56 ` [PATCH v5 2/2] io_uring: avoid unnecessary io_wq_work copy for fast poll feature Xiaoguang Wang
2020-06-02 1:16 ` Xiaoguang Wang
2020-06-03 13:46 ` Pavel Begunkov
2020-06-07 15:02 ` Jens Axboe
2020-06-07 20:36 ` Pavel Begunkov
2020-06-07 20:57 ` Pavel Begunkov
2020-06-07 23:29 ` Jens Axboe
2020-06-08 7:43 ` Pavel Begunkov [this message]
2020-06-08 12:14 ` Xiaoguang Wang
2020-06-08 20:08 ` Jens Axboe
2020-06-07 23:26 ` Jens Axboe
2020-05-31 14:33 ` [PATCH v4 1/2] io_uring: avoid whole io_wq_work copy for requests completed inline Pavel Begunkov
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