Commit 6d90aa5c authored by Matan Barak's avatar Matan Barak Committed by David S. Miller

net/mlx4_core: Make sure there are no pending async events when freeing CQ

When freeing a CQ, we need to make sure there are no
asynchronous events (on the ASYNC EQ) that could
relate to this CQ before freeing it.

This is done by introducing synchronize_irq.
Signed-off-by: default avatarMatan Barak <matanb@mellanox.com>
Signed-off-by: default avatarIdo Shamay <idos@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent de161803
...@@ -369,6 +369,9 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq) ...@@ -369,6 +369,9 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq)
mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn); mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn);
synchronize_irq(priv->eq_table.eq[MLX4_CQ_TO_EQ_VECTOR(cq->vector)].irq); synchronize_irq(priv->eq_table.eq[MLX4_CQ_TO_EQ_VECTOR(cq->vector)].irq);
if (priv->eq_table.eq[MLX4_CQ_TO_EQ_VECTOR(cq->vector)].irq !=
priv->eq_table.eq[MLX4_EQ_ASYNC].irq)
synchronize_irq(priv->eq_table.eq[MLX4_EQ_ASYNC].irq);
spin_lock_irq(&cq_table->lock); spin_lock_irq(&cq_table->lock);
radix_tree_delete(&cq_table->tree, cq->cqn); radix_tree_delete(&cq_table->tree, cq->cqn);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment