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Message-ID: <20210104174307.GD3665355@sasha-vm>
Date: Mon, 4 Jan 2021 12:43:07 -0500
From: Sasha Levin <sashal@...nel.org>
To: Pavel Begunkov <asml.silence@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org, stable@...r.kernel.org,
Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH 5.10 21/63] kernel/io_uring: cancel io_uring before task
works
On Mon, Jan 04, 2021 at 04:06:39PM +0000, Pavel Begunkov wrote:
>On 04/01/2021 15:57, Greg Kroah-Hartman wrote:
>> From: Pavel Begunkov <asml.silence@...il.com>
>>
>> commit b1b6b5a30dce872f500dc43f067cba8e7f86fc7d upstream.
>>
>> For cancelling io_uring requests it needs either to be able to run
>> currently enqueued task_works or having it shut down by that moment.
>> Otherwise io_uring_cancel_files() may be waiting for requests that won't
>> ever complete.
>
>Greg, can you drop it from stable for now? I'll backport it later when
>related problems are sorted.
I've dropped it, let us know when it's good to go back in.
--
Thanks,
Sasha
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