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| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-04-30 17:42:30 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-04-30 21:06:27 +0200 |
| commit | ef42b85a5609cd822ca0a68dd2bef2b12b5d1ca3 (patch) | |
| tree | 5e8cd61c6849935dcdf005fe36654f97d314af66 /io_uring | |
| parent | io_uring/msg_ring: reuse ctx->submitter_task read using READ_ONCE instead of ... (diff) | |
| download | linux-ef42b85a5609cd822ca0a68dd2bef2b12b5d1ca3.tar.xz linux-ef42b85a5609cd822ca0a68dd2bef2b12b5d1ca3.zip | |
io_uring/net: fix sendzc lazy wake polling
SEND[MSG]_ZC produces multiple CQEs via notifications, LAZY_WAKE doesn't
handle it and so disable LAZY_WAKE for sendzc polling. It should be
fine, sends are not likely to be polled in the first place.
Fixes: 6ce4a93dbb5b ("io_uring/poll: use IOU_F_TWQ_LAZY_WAKE for wakeups")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/5b360fb352d91e3aec751d75c87dfb4753a084ee.1714488419.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/net.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index 51c41d771c50..503debecad32 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1198,6 +1198,7 @@ int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) struct io_kiocb *notif; zc->done_io = 0; + req->flags |= REQ_F_POLL_NO_LAZY; if (unlikely(READ_ONCE(sqe->__pad2[0]) || READ_ONCE(sqe->addr3))) return -EINVAL; |