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path: root/drivers/net/ethernet/intel/i40e
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ea20aacd5e1d..b2cde9b16d82 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2874,14 +2874,15 @@ static void i40e_vsi_free_rx_resources(struct i40e_vsi *vsi)
static void i40e_config_xps_tx_ring(struct i40e_ring *ring)
{
struct i40e_vsi *vsi = ring->vsi;
+ int cpu;
if (!ring->q_vector || !ring->netdev)
return;
if ((vsi->tc_config.numtc <= 1) &&
!test_and_set_bit(__I40E_TX_XPS_INIT_DONE, &ring->state)) {
- netif_set_xps_queue(ring->netdev,
- get_cpu_mask(ring->q_vector->v_idx),
+ cpu = cpumask_local_spread(ring->q_vector->v_idx, -1);
+ netif_set_xps_queue(ring->netdev, get_cpu_mask(cpu),
ring->queue_index);
}
@@ -3471,6 +3472,7 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename)
int tx_int_idx = 0;
int vector, err;
int irq_num;
+ int cpu;
for (vector = 0; vector < q_vectors; vector++) {
struct i40e_q_vector *q_vector = vsi->q_vectors[vector];
@@ -3506,10 +3508,14 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename)
q_vector->affinity_notify.notify = i40e_irq_affinity_notify;
q_vector->affinity_notify.release = i40e_irq_affinity_release;
irq_set_affinity_notifier(irq_num, &q_vector->affinity_notify);
- /* get_cpu_mask returns a static constant mask with
- * a permanent lifetime so it's ok to use here.
+ /* Spread affinity hints out across online CPUs.
+ *
+ * get_cpu_mask returns a static constant mask with
+ * a permanent lifetime so it's ok to pass to
+ * irq_set_affinity_hint without making a copy.
*/
- irq_set_affinity_hint(irq_num, get_cpu_mask(q_vector->v_idx));
+ cpu = cpumask_local_spread(q_vector->v_idx, -1);
+ irq_set_affinity_hint(irq_num, get_cpu_mask(cpu));
}
vsi->irqs_ready = true;