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authorShay Drory <shayd@nvidia.com>2023-04-17 10:57:50 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2023-05-23 08:38:06 +0300
commit1da438c0ae02396dc5018b63237492cb5908608d (patch)
tree407ccbe6f923c78574919373895f693e823895de /drivers
parentef8c063cf88e1a3d99ab4ada1cbab5ba7248a4f2 (diff)
downloadlinux-1da438c0ae02396dc5018b63237492cb5908608d.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c9
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 86b528aae6d4..db5687d9fec9 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;