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path: root/drivers/net/ethernet/microsoft/mana/gdma_main.c
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Diffstat (limited to 'drivers/net/ethernet/microsoft/mana/gdma_main.c')
-rw-r--r--drivers/net/ethernet/microsoft/mana/gdma_main.c30
1 files changed, 27 insertions, 3 deletions
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;