linux-kernel - Re: [PATCH stable-5.10] io_uring: fix clear IORING_SETUP_R

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Message-ID: <YPBxP6kNmTKLrxKI@kroah.com>
Date:   Thu, 15 Jul 2021 19:32:47 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Yang Yingliang <yangyingliang@...wei.com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH stable-5.10] io_uring: fix clear IORING_SETUP_R_DISABLED
 in wrong function

On Thu, Jul 15, 2021 at 09:27:53AM -0600, Jens Axboe wrote:
> On 7/15/21 7:22 AM, Greg KH wrote:
> > On Thu, Jul 15, 2021 at 09:18:25PM +0800, Yang Yingliang wrote:
> >> In commit 3ebba796fa25 ("io_uring: ensure that SQPOLL thread is started for exit"),
> >> the IORING_SETUP_R_DISABLED is cleared in io_sq_offload_start(), but when backport
> >> it to stable-5.10, IORING_SETUP_R_DISABLED is cleared in __io_req_task_submit(),
> >> move clearing IORING_SETUP_R_DISABLED to io_sq_offload_start() to fix this.
> >>
> >> Fixes: 6cae8095490ca ("io_uring: ensure that SQPOLL thread is started for exit")
> >> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> >> ---
> >>  fs/io_uring.c | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > I need an ack from Jens before I can take this...
> 
> Ack, that looks like a bad merge. Fine to apply this patch, thanks.

THanks, now queued up.

greg k-h