diff options
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/gdma.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/gdma_main.c | 30 |
2 files changed, 28 insertions, 3 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/gdma.h b/drivers/net/ethernet/microsoft/mana/gdma.h index 4a6efe6ada08..db340f36ef29 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma.h +++ b/drivers/net/ethernet/microsoft/mana/gdma.h @@ -353,6 +353,7 @@ struct gdma_context { void __iomem *shm_base; void __iomem *db_page_base; u32 db_page_size; + int numa_node; /* Shared memory chanenl (used to bootstrap HWC) */ struct shm_channel shm_channel; diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c index a6f99b4344d9..726ac94d96ae 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c @@ -1208,8 +1208,10 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev) struct gdma_context *gc = pci_get_drvdata(pdev); struct gdma_irq_context *gic; unsigned int max_irqs; + u16 *cpus; + cpumask_var_t req_mask; int nvec, irq; - int err, i, j; + int err, i = 0, j; if (max_queues_per_port > MANA_MAX_NUM_QUEUES) max_queues_per_port = MANA_MAX_NUM_QUEUES; @@ -1228,7 +1230,21 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev) goto free_irq_vector; } + if (!zalloc_cpumask_var(&req_mask, GFP_KERNEL)) { + err = -ENOMEM; + goto free_irq; + } + + cpus = kcalloc(nvec, sizeof(*cpus), GFP_KERNEL); + if (!cpus) { + err = -ENOMEM; + goto free_mask; + } + for (i = 0; i < nvec; i++) + cpus[i] = cpumask_local_spread(i, gc->numa_node); + for (i = 0; i < nvec; i++) { + cpumask_set_cpu(cpus[i], req_mask); gic = &gc->irq_contexts[i]; gic->handler = NULL; gic->arg = NULL; @@ -1236,13 +1252,17 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev) irq = pci_irq_vector(pdev, i); if (irq < 0) { err = irq; - goto free_irq; + goto free_mask; } err = request_irq(irq, mana_gd_intr, 0, "mana_intr", gic); if (err) - goto free_irq; + goto free_mask; + irq_set_affinity_and_hint(irq, req_mask); + cpumask_clear(req_mask); } + free_cpumask_var(req_mask); + kfree(cpus); err = mana_gd_alloc_res_map(nvec, &gc->msix_resource); if (err) @@ -1253,6 +1273,9 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev) return 0; +free_mask: + free_cpumask_var(req_mask); + kfree(cpus); free_irq: for (j = i - 1; j >= 0; j--) { irq = pci_irq_vector(pdev, j); @@ -1382,6 +1405,7 @@ static int mana_gd_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!bar0_va) goto free_gc; + gc->numa_node = dev_to_node(&pdev->dev); gc->is_pf = mana_is_pf(pdev->device); gc->bar0_va = bar0_va; gc->dev = &pdev->dev; |