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| author |   Olivier Langlois <olivier@trillion01.com> | 2021-06-23 11:50:11 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-06-23 20:38:21 -0600 |
| commit | 997135017716c33f3405e86cca5da9567b40a08e (patch) | |
| tree | 4b1c07912309b22cfefe2f242dae82543493de26 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | io_uring: improve in tctx_task_work() resubmission (diff) | |
| download | linux-dev-997135017716c33f3405e86cca5da9567b40a08e.tar.xz linux-dev-997135017716c33f3405e86cca5da9567b40a08e.zip | |
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.
Cc: stable@vger.kernel.org
Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d1419dc32ec6a97b453bee34dc03fa6a02797142.1624473200.git.olivier@trillion01.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions