Free sq check had a bug, causing jobs to overwrite.
Fixes: 8740ba5fe57f ("regex/mlx5: add enqueue implementation")
Signed-off-by: Yuval Avnery <yuva...@mellanox.com>
Acked-by: Ori Kam <or...@mellanox.com>
---
drivers/regex/mlx5/mlx5_regex_fastpath.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/regex/mlx5/mlx5_regex_fastpath.c
b/drivers/regex/mlx5/mlx5_regex_fastpath.c
index fc5a7fc..8dfa72c 100644
--- a/drivers/regex/mlx5/mlx5_regex_fastpath.c
+++ b/drivers/regex/mlx5/mlx5_regex_fastpath.c
@@ -152,10 +152,7 @@ struct mlx5_regex_job {
static inline int
can_send(struct mlx5_regex_sq *sq) {
- return unlikely(sq->ci > sq->pi) ?
- MLX5_REGEX_MAX_WQE_INDEX + sq->pi - sq->ci <
- sq_size_get(sq) :
- sq->pi - sq->ci < sq_size_get(sq);
+ return ((sq->ci - sq->pi) & (sq_size_get(sq) - 1)) != 1;
}
static inline uint32_t
--
1.8.3.1
