| commit | c10bb64684813a326174c3eebcafb3ee5af52ca3 | [log] [tgz] |
|---|---|---|
| author | Pavel Begunkov <asml.silence@gmail.com> | Mon Jan 23 14:37:13 2023 +0000 |
| committer | Jens Axboe <axboe@kernel.dk> | Sun Jan 29 15:17:41 2023 -0700 |
| tree | cbddc7fbefd26342f9ec9ba77a1c8c9ba3c8a03e | |
| parent | f499254474a83bf60191c86de82c1fec1d8eb9f9 [diff] |
io_uring: use user visible tail in io_uring_poll() We return POLLIN from io_uring_poll() depending on whether there are CQEs for the userspace, and so we should use the user visible tail pointer instead of a transient cached value. Cc: stable@vger.kernel.org Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/228ffcbf30ba98856f66ffdb9a6a60ead1dd96c0.1674484266.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>