diff options
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/gdma_main.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c index 6c4e143972a1..6e468c0f2c40 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c @@ -1329,7 +1329,8 @@ void mana_gd_free_res_map(struct gdma_resource *r) * do the same thing. */ -static int irq_setup(unsigned int *irqs, unsigned int len, int node) +static int irq_setup(unsigned int *irqs, unsigned int len, int node, + bool skip_first_cpu) { const struct cpumask *next, *prev = cpu_none_mask; cpumask_var_t cpus __free(free_cpumask_var); @@ -1344,11 +1345,18 @@ static int irq_setup(unsigned int *irqs, unsigned int len, int node) while (weight > 0) { cpumask_andnot(cpus, next, prev); for_each_cpu(cpu, cpus) { + cpumask_andnot(cpus, cpus, topology_sibling_cpumask(cpu)); + --weight; + + if (unlikely(skip_first_cpu)) { + skip_first_cpu = false; + continue; + } + if (len-- == 0) goto done; + irq_set_affinity_and_hint(*irqs++, topology_sibling_cpumask(cpu)); - cpumask_andnot(cpus, cpus, topology_sibling_cpumask(cpu)); - --weight; } } prev = next; @@ -1444,7 +1452,7 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev) } } - err = irq_setup(irqs, (nvec - start_irq_index), gc->numa_node); + err = irq_setup(irqs, nvec - start_irq_index, gc->numa_node, false); if (err) goto free_irq; |