To improve performance and latency, this patch set Rx polling mode
default delay time to zero.
Signed-off-by: Xueming Li <xuemi...@nvidia.com>
Acked-by: Matan Azrad <ma...@nvidia.com>
---
drivers/vdpa/mlx5/mlx5_vdpa.h | 2 +-
drivers/vdpa/mlx5/mlx5_vdpa_event.c | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.h b/drivers/vdpa/mlx5/mlx5_vdpa.h
index d039ada65b..08e04a86c4 100644
--- a/drivers/vdpa/mlx5/mlx5_vdpa.h
+++ b/drivers/vdpa/mlx5/mlx5_vdpa.h
@@ -36,7 +36,7 @@
#define VIRTIO_F_RING_PACKED 34
#endif
-#define MLX5_VDPA_DEFAULT_TIMER_DELAY_US 100u
+#define MLX5_VDPA_DEFAULT_TIMER_DELAY_US 0u
#define MLX5_VDPA_DEFAULT_TIMER_STEP_US 1u
struct mlx5_vdpa_cq {
diff --git a/drivers/vdpa/mlx5/mlx5_vdpa_event.c
b/drivers/vdpa/mlx5/mlx5_vdpa_event.c
index 3aeaeb893f..5366937e03 100644
--- a/drivers/vdpa/mlx5/mlx5_vdpa_event.c
+++ b/drivers/vdpa/mlx5/mlx5_vdpa_event.c
@@ -265,7 +265,8 @@ mlx5_vdpa_timer_sleep(struct mlx5_vdpa_priv *priv, uint32_t
max)
break;
}
}
- usleep(priv->timer_delay_us);
+ if (priv->timer_delay_us)
+ usleep(priv->timer_delay_us);
}
static void *
--
2.25.1
