[ewg] mlx4_core: request MSIX vectors as much as there CPU cores

Commit Message

Eli Cohen May 6, 2010, 7:49 a.m. UTC

None

Patch

diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c
index 21786ad..07c0779 100644
--- a/drivers/net/mlx4/en_cq.c
+++ b/drivers/net/mlx4/en_cq.c
@@ -49,11 +49,12 @@  int mlx4_en_create_cq(struct mlx4_en_priv *priv,
 {
 	struct mlx4_en_dev *mdev = priv->mdev;
 	int err;
+	int num_active_vectors = min_t(int, num_online_cpus(), mdev->dev->caps.num_comp_vectors);
 
 	cq->size = entries;
 	if (mode == RX) {
 		cq->buf_size = cq->size * sizeof(struct mlx4_cqe);
-		cq->vector   = ring % mdev->dev->caps.num_comp_vectors;
+		cq->vector   = ring % num_active_vectors;
 	} else {
 		cq->buf_size = sizeof(struct mlx4_cqe);
 		cq->vector   = 0;