diff options
| author | Shay Drory <shayd@nvidia.com> | 2023-04-17 10:57:50 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-05-22 22:38:06 -0700 |
| commit | 1da438c0ae02396dc5018b63237492cb5908608d (patch) | |
| tree | 407ccbe6f923c78574919373895f693e823895de | |
| parent | ef8c063cf88e1a3d99ab4ada1cbab5ba7248a4f2 (diff) | |
| download | linux-1da438c0ae02396dc5018b63237492cb5908608d.tar.gz | |
net/mlx5: Fix indexing of mlx5_irq
After the cited patch, mlx5_irq xarray index can be different then
mlx5_irq MSIX table index.
Fix it by storing both mlx5_irq xarray index and MSIX table index.
Fixes: 3354822cde5a ("net/mlx5: Use dynamic msix vectors allocation")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 86b528aae6d42..db5687d9fec97 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -32,6 +32,7 @@ struct mlx5_irq { struct mlx5_irq_pool *pool; int refcount; struct msi_map map; + u32 pool_index; }; struct mlx5_irq_table { @@ -132,7 +133,7 @@ static void irq_release(struct mlx5_irq *irq) struct cpu_rmap *rmap; #endif - xa_erase(&pool->irqs, irq->map.index); + xa_erase(&pool->irqs, irq->pool_index); /* free_irq requires that affinity_hint and rmap will be cleared before * calling it. To satisfy this requirement, we call * irq_cpu_rmap_remove() to remove the notifier @@ -276,11 +277,11 @@ struct mlx5_irq *mlx5_irq_alloc(struct mlx5_irq_pool *pool, int i, } irq->pool = pool; irq->refcount = 1; - irq->map.index = i; - err = xa_err(xa_store(&pool->irqs, irq->map.index, irq, GFP_KERNEL)); + irq->pool_index = i; + err = xa_err(xa_store(&pool->irqs, irq->pool_index, irq, GFP_KERNEL)); if (err) { mlx5_core_err(dev, "Failed to alloc xa entry for irq(%u). err = %d\n", - irq->map.index, err); + irq->pool_index, err); goto err_xa; } return irq; |