From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: Re: [PATCH 0/3] task/files cancellation fixes
Date: Sun, 20 Dec 2020 18:01:20 +0000 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 20/12/2020 13:21, Pavel Begunkov wrote:
> First two are only for task cancellation, the last one for both.
>
> Jens, do you remember the exact reason why you added the check
> removed in [3/3]? I have a clue, but that stuff doesn't look
> right regardless. See "exit: do exit_task_work() before shooting
> off mm" thread.
The question is answered, the bug is still here, but that's too
early for 3/3. Please consider first 2 patches.
>
> Pavel Begunkov (3):
> io_uring: always progress task_work on task cancel
> io_uring: end waiting before task cancel attempts
> io_uring: fix cancellation hangs
>
> fs/io_uring.c | 10 ++--------
> 1 file changed, 2 insertions(+), 8 deletions(-)
>
--
Pavel Begunkov
next prev parent reply other threads:[~2020-12-20 18:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 13:21 [PATCH 0/3] task/files cancellation fixes Pavel Begunkov
2020-12-20 13:21 ` [PATCH 1/3] io_uring: always progress task_work on task cancel Pavel Begunkov
2020-12-20 13:21 ` [PATCH 2/3] io_uring: end waiting before task cancel attempts Pavel Begunkov
2020-12-20 13:21 ` [PATCH 3/3] io_uring: fix cancellation hangs Pavel Begunkov
2020-12-20 18:01 ` Pavel Begunkov [this message]
2020-12-20 18:05 ` [PATCH 0/3] task/files cancellation fixes Jens Axboe
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