[PATCH v3 9/9] SHOWCASE: net/mlx5e: Leverage for_each_numa_hop_cpu()

From: Valentin Schneider
Date: Thu Aug 25 2022 - 14:13:49 EST


Not-signed-off-by: Valentin Schneider <vschneid@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/eq.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 229728c80233..0a5432903edd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -812,6 +812,7 @@ static int comp_irqs_request(struct mlx5_core_dev *dev)
int ncomp_eqs = table->num_comp_eqs;
u16 *cpus;
int ret;
+ int cpu;
int i;

ncomp_eqs = table->num_comp_eqs;
@@ -830,8 +831,15 @@ static int comp_irqs_request(struct mlx5_core_dev *dev)
ret = -ENOMEM;
goto free_irqs;
}
- for (i = 0; i < ncomp_eqs; i++)
- cpus[i] = cpumask_local_spread(i, dev->priv.numa_node);
+
+ rcu_read_lock();
+ for_each_numa_hop_cpus(cpu, dev->priv.numa_node) {
+ cpus[i] = cpu;
+ if (++i == ncomp_eqs)
+ goto spread_done;
+ }
+spread_done:
+ rcu_read_unlock();
ret = mlx5_irqs_request_vectors(dev, cpus, ncomp_eqs, table->comp_irqs);
kfree(cpus);
if (ret < 0)
--
2.31.1