diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-08-09 17:20:21 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-08-09 18:46:46 +0200 |
| commit | dc314886cb3d0e4ab2858003e8de2917f8a3ccbd (patch) | |
| tree | 01c260dbab689b0aa6549e6bc3c24d80be012b5f /io_uring | |
| parent | io_uring: kill io_uring userspace examples (diff) | |
| download | linux-dc314886cb3d0e4ab2858003e8de2917f8a3ccbd.tar.xz linux-dc314886cb3d0e4ab2858003e8de2917f8a3ccbd.zip | |
io_uring: break iopolling on signal
Don't keep spinning iopoll with a signal set. It'll eventually return
back, e.g. by virtue of need_resched(), but it's not a nice user
experience.
Cc: stable@vger.kernel.org
Fixes: def596e9557c9 ("io_uring: support for IO polling")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/eeba551e82cad12af30c3220125eb6cb244cc94c.1691594339.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io_uring.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index d0888907527d..ad4ffd3a876f 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1673,6 +1673,9 @@ static int io_iopoll_check(struct io_ring_ctx *ctx, long min) break; nr_events += ret; ret = 0; + + if (task_sigpending(current)) + return -EINTR; } while (nr_events < min && !need_resched()); return ret; |