From 90426cc00c77e4c11f1d23799de44ecb54e8ff27 Mon Sep 17 00:00:00 2001 From: Yuval Avnery Date: Mon, 10 Jun 2019 23:38:30 +0000 Subject: [PATCH] net/mlx5: Move IRQ affinity set to IRQ allocation phase Affinity set/clear is part of the IRQ life-cycle. Signed-off-by: Yuval Avnery Reviewed-by: Parav Pandit Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 25 +++++++++++++------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 1ea983c1ec05..d30bd01cf050 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -934,8 +934,6 @@ static void destroy_comp_eqs(struct mlx5_core_dev *dev) struct mlx5_eq_table *table = dev->priv.eq_table; struct mlx5_eq_comp *eq, *n; - clear_comp_irqs_affinity_hints(dev); - list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { list_del(&eq->list); if (destroy_unmap_eq(dev, &eq->core)) @@ -991,12 +989,6 @@ static int create_comp_eqs(struct mlx5_core_dev *dev) list_add_tail(&eq->list, &table->comp_eqs_list); } - err = set_comp_irq_affinity_hints(dev); - if (err) { - mlx5_core_err(dev, "Failed to alloc affinity hint cpumask\n"); - goto clean; - } - return 0; clean: @@ -1078,6 +1070,16 @@ void mlx5_core_eq_free_irqs(struct mlx5_core_dev *dev) pci_free_irq_vectors(dev->pdev); } +static void unrequest_irqs(struct mlx5_core_dev *dev) +{ + struct mlx5_irq_table *table = dev->priv.irq_table; + int i; + + for (i = 0; i < table->nvec; i++) + free_irq(pci_irq_vector(dev->pdev, i), + &mlx5_irq_get(dev, i)->nh); +} + static int alloc_irq_vectors(struct mlx5_core_dev *dev) { struct mlx5_priv *priv = &dev->priv; @@ -1115,8 +1117,14 @@ static int alloc_irq_vectors(struct mlx5_core_dev *dev) if (err) goto err_request_irqs; + err = set_comp_irq_affinity_hints(dev); + if (err) + goto err_set_affinity; + return 0; +err_set_affinity: + unrequest_irqs(dev); err_request_irqs: irq_clear_rmap(dev); err_set_rmap: @@ -1136,6 +1144,7 @@ static void free_irq_vectors(struct mlx5_core_dev *dev) * which should be called after alloc_irq but before request_irq. */ irq_clear_rmap(dev); + clear_comp_irqs_affinity_hints(dev); for (i = 0; i < table->nvec; i++) free_irq(pci_irq_vector(dev->pdev, i), &mlx5_irq_get(dev, i)->nh); -- GitLab