From: Pavel Begunkov <[email protected]>
To: Hao Xu <[email protected]>, Jens Axboe <[email protected]>,
[email protected]
Subject: Re: [PATCH for-next] io_uring: remove ctx referencing from complete_post
Date: Wed, 15 Sep 2021 14:07:21 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 9/15/21 2:00 PM, Hao Xu wrote:
> 在 2021/9/15 下午7:04, Pavel Begunkov 写道:
>> Now completions are done from task context, that means that it's either
>> the task itself, task_work or io-wq worker. In all those cases the ctx
> system-wq as well, not sure if that matters.
Yep, missed in the description.
fwiw, io_fallback_req_func() explicitly pins ctx.
>> will be staying alive by mutexing, explicit referencing or req
>> references by iowq. Remove extra ctx pinning from
>> io_req_complete_post().
--
Pavel Begunkov
next prev parent reply other threads:[~2021-09-15 13:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-15 11:04 [PATCH for-next] io_uring: remove ctx referencing from complete_post Pavel Begunkov
2021-09-15 13:00 ` Hao Xu
2021-09-15 13:07 ` Pavel Begunkov [this message]
2021-09-16 1:53 ` Jens Axboe
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