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Subject: Re: [PATCH for-next] io_uring: remove ctx referencing from
 complete_post
To:     Pavel Begunkov <asml.silence@gmail.com>,
        Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org
References: <60a0e96434c16ab4fe587651448290d61ec9a113.1631703756.git.asml.silence@gmail.com>
From:   Hao Xu <haoxu@linux.alibaba.com>
Message-ID: <27450ede-6a8a-1262-82a1-3e8749faba79@linux.alibaba.com>
Date:   Wed, 15 Sep 2021 21:00:57 +0800
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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.
> will be staying alive by mutexing, explicit referencing or req
> references by iowq. Remove extra ctx pinning from
> io_req_complete_post().