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From: Nadav Amit <nadav.amit@gmail.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org,
	Nadav Amit <namit@vmware.com>,
	Pavel Begunkov <asml.silence@gmail.com>
Subject: [PATCH 0/2] io_uring: bug fixes
Date: Sat,  7 Aug 2021 17:13:40 -0700	[thread overview]
Message-ID: <20210808001342.964634-1-namit@vmware.com> (raw)

From: Nadav Amit <namit@vmware.com>

Two small bug fixes. The first fix is for a real issue that encountered
on 5.13, which caused my workload not to work with a submission queue.
Apparently, on 5.14 it is only a performance issue (i.e., not a
functionality issue).

The second fix is for a theoretical issue.

I did not cc stable, as I leave this decision to the maintainer.

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Pavel Begunkov <asml.silence@gmail.com>

Nadav Amit (2):
  io_uring: clear TIF_NOTIFY_SIGNAL when running task work
  io_uring: Use WRITE_ONCE() when writing to sq_flags

 fs/io_uring.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

-- 
2.25.1


             reply	other threads:[~2021-08-08  0:14 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-08  0:13 Nadav Amit [this message]
2021-08-08  0:13 ` [PATCH 1/2] io_uring: clear TIF_NOTIFY_SIGNAL when running task work Nadav Amit
2021-08-08 12:55   ` Pavel Begunkov
2021-08-08 17:31     ` Nadav Amit
2021-08-09  4:07       ` Hao Xu
2021-08-09  4:50         ` Nadav Amit
2021-08-09 10:35           ` Pavel Begunkov
2021-08-09 10:18       ` Pavel Begunkov
2021-08-09 21:48   ` Olivier Langlois
2021-08-10  8:28     ` Nadav Amit
2021-08-10 13:33       ` Olivier Langlois
2021-08-10 21:32       ` Pavel Begunkov
2021-08-11  2:33         ` Nadav Amit
2021-08-11  2:51           ` Jens Axboe
2021-08-11  5:40             ` I/O cancellation in io-uring (was: io_uring: clear TIF_NOTIFY_SIGNAL ...) Nadav Amit
2021-08-08  0:13 ` [PATCH 2/2] io_uring: Use WRITE_ONCE() when writing to sq_flags Nadav Amit
2021-08-09 13:53 ` [PATCH 0/2] io_uring: bug fixes Jens Axboe

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