| commit | bc924dd21ecf8a8363091ef02fdac3115d024b91 | [log] [tgz] |
|---|---|---|
| author | Pavel Begunkov <asml.silence@gmail.com> | Tue Jan 12 21:17:25 2021 +0000 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Sun Jan 17 14:16:53 2021 +0100 |
| tree | 4fa0fad6b0f63edac4d9b18b00ad5f7b3c73aa6f | |
| parent | 1d5e50da5cc7483849b815ee34559be4f3902a3b [diff] |
io_uring: limit {io|sq}poll submit locking scope
commit 89448c47b8452b67c146dc6cad6f737e004c5caf upstream
We don't need to take uring_lock for SQPOLL|IOPOLL to do
io_cqring_overflow_flush() when cq_overflow_list is empty, remove it
from the hot path.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>