diff options
| author | Jens Axboe <axboe@kernel.dk> | 2021-08-31 13:53:00 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-17 11:04:47 +0100 |
| commit | 9f9d088a4b7d0b6451e9cdd5225d7b192608ca38 (patch) | |
| tree | 924855724b36c714841db23295bb3938d1317d6f /tools/perf/scripts/python/stackcollapse.py | |
| parent | 92b69466102b456c58ae9725540013f893850b6d (diff) | |
io-wq: fix queue stalling race
commit 0242f6426ea78fbe3933b44f8c55ae93ec37f6cc upstream.
We need to set the stalled bit early, before we drop the lock for adding
us to the stall hash queue. If not, then we can race with new work being
queued between adding us to the stall hash and io_worker_handle_work()
marking us stalled.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions