From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>,
Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>,
io-uring@vger.kernel.org
Cc: joseph.qi@linux.alibaba.com
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: <820263b3-b5e5-bca9-eedb-4ee4e23be2b7@gmail.com> (raw)
In-Reply-To: <35bcf4cb-1985-74aa-5748-6ee4095acb20@kernel.dk>
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=820263b3-b5e5-bca9-eedb-4ee4e23be2b7@gmail.com \
--to=asml.silence@gmail.com \
--cc=axboe@kernel.dk \
--cc=io-uring@vger.kernel.org \
--cc=joseph.qi@linux.alibaba.com \
--cc=xiaoguang.wang@linux.alibaba.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.