From: Greg KH <[email protected]>
To: Jens Axboe <[email protected]>
Cc: Olivier Langlois <[email protected]>,
Pavel Begunkov <[email protected]>,
[email protected], [email protected],
[email protected]
Subject: Re: [PATCH io_uring backport to 5.13.y] io_uring: Fix race condition when sqp thread goes to sleep
Date: Mon, 26 Jul 2021 09:42:51 +0200 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Sun, Jul 25, 2021 at 01:10:22PM -0600, Jens Axboe wrote:
> On 7/24/21 11:07 PM, Olivier Langlois wrote:
> > [ Upstream commit 997135017716 ("io_uring: Fix race condition when sqp thread goes to sleep") ]
> >
> > If an asynchronous completion happens before the task is preparing
> > itself to wait and set its state to TASK_INTERRUPTIBLE, the completion
> > will not wake up the sqp thread.
>
> Looks good to me - Greg, would you mind queueing this one up?
>
Now queued up, thanks!
greg k-h
prev parent reply other threads:[~2021-07-26 7:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-25 5:07 [PATCH io_uring backport to 5.13.y] io_uring: Fix race condition when sqp thread goes to sleep Olivier Langlois
2021-07-25 19:10 ` Jens Axboe
2021-07-26 7:42 ` Greg KH [this message]
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