From: Jens Axboe <[email protected]>
To: [email protected], Pavel Begunkov <[email protected]>
Subject: Re: [RFC 1/1] io_uring: pin context while queueing deferred tw
Date: Wed, 04 Jan 2023 09:13:51 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <1a79362b9c10b8523ef70b061d96523650a23344.1672795998.git.asml.silence@gmail.com>
On Wed, 04 Jan 2023 01:34:02 +0000, Pavel Begunkov wrote:
> Unlike normal tw, nothing prevents deferred tw to be executed right
> after an tw item added to ->work_llist in io_req_local_work_add(). For
> instance, the waiting task may get waken up by CQ posting or a normal
> tw. Thus we need to pin the ring for the rest of io_req_local_work_add()
>
>
Applied, thanks!
[1/1] io_uring: pin context while queueing deferred tw
(no commit info)
Best regards,
--
Jens Axboe
next reply other threads:[~2023-01-04 16:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-04 16:13 Jens Axboe [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-01-04 1:34 [RFC 1/1] io_uring: pin context while queueing deferred tw Pavel Begunkov
2023-01-04 1:36 ` Pavel Begunkov
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