From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [PATCH for-next 1/7] io_uring: use user visible tail in io_uring_poll()
Date: Mon, 23 Jan 2023 11:25:06 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <228ffcbf30ba98856f66ffdb9a6a60ead1dd96c0.1674484266.git.asml.silence@gmail.com>
On 1/23/23 7:37 AM, Pavel Begunkov wrote:
> We return POLLIN from io_uring_poll() depending on whether there are
> CQEs for the userspace, and so we should use the user visible tail
> pointer instead of a transient cached value.
Should we mark this one for stable as well?
--
Jens Axboe
next prev parent reply other threads:[~2023-01-23 18:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-23 14:37 [PATCH for-next 0/7] normal tw optimisation + refactoring Pavel Begunkov
2023-01-23 14:37 ` [PATCH for-next 1/7] io_uring: use user visible tail in io_uring_poll() Pavel Begunkov
2023-01-23 18:25 ` Jens Axboe [this message]
2023-01-23 20:56 ` Pavel Begunkov
2023-01-23 21:09 ` Jens Axboe
2023-01-23 14:37 ` [PATCH for-next 2/7] io_uring: kill outdated comment about overflow flush Pavel Begunkov
2023-01-23 14:37 ` [PATCH for-next 3/7] io_uring: improve io_get_sqe Pavel Begunkov
2023-01-23 14:37 ` [PATCH for-next 4/7] io_uring: refactor req allocation Pavel Begunkov
2023-01-23 14:37 ` [PATCH for-next 5/7] io_uring: refactor io_put_task helpers Pavel Begunkov
2023-01-23 14:37 ` [PATCH for-next 6/7] io_uring: refactor tctx_task_work Pavel Begunkov
2023-01-23 14:37 ` [PATCH for-next 7/7] io_uring: return normal tw run linking optimisation Pavel Begunkov
2023-01-23 21:14 ` [PATCH for-next 0/7] normal tw optimisation + refactoring Jens Axboe
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