diff options
Diffstat (limited to 'test/io_uring_enter.c')
| -rw-r--r-- | test/io_uring_enter.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/test/io_uring_enter.c b/test/io_uring_enter.c index d6e407e..b25afd5 100644 --- a/test/io_uring_enter.c +++ b/test/io_uring_enter.c @@ -262,9 +262,11 @@ main(int argc, char **argv) ktail = *sq->ktail; sq->array[ktail & mask] = index; ++ktail; - write_barrier(); - *sq->ktail = ktail; - write_barrier(); + /* + * Ensure that the kernel sees the SQE update before it sees the tail + * update. + */ + smp_store_release(sq->ktail, ktail); ret = io_uring_enter(ring.ring_fd, 1, 0, 0, NULL); /* now check to see if our sqe was dropped */ |