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| author |   Pavel Begunkov <asml.silence@gmail.com> | 2022-09-08 16:56:53 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2022-09-21 13:14:55 -0600 |
| commit | 6567506b68b0cae3934f1a58b35d709f38fc2e90 (patch) | |
| tree | 182940a046b826d267fbd759d6b8f5841405836f /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | io_uring: further limit non-owner defer-tw cq waiting (diff) | |
| download | linux-dev-6567506b68b0cae3934f1a58b35d709f38fc2e90.tar.xz linux-dev-6567506b68b0cae3934f1a58b35d709f38fc2e90.zip | |
io_uring: disallow defer-tw run w/ no submitters
We try to restrict CQ waiters when IORING_SETUP_DEFER_TASKRUN is set,
but if nothing has been submitted yet it'll allow any waiter, which
violates the contract.
Fixes: c0e0d6ba25f1 ("io_uring: add IORING_SETUP_DEFER_TASKRUN")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/b4f0d3f14236d7059d08c5abe2661ef0b78b5528.1662652536.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions