nfp: take numa node into account when setting irq affinity

Set irq affinity to cpus that belong to the same numa node with
NIC device first.

Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 8c1a870..184ffae 100644 (file)
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -735,8 +735,9 @@ static unsigned int nfp_net_calc_fl_bufsz_xsk(struct nfp_net_dp *dp)
  */
 static void nfp_net_vecs_init(struct nfp_net *nn)
 {
+       int numa_node = dev_to_node(&nn->pdev->dev);
        struct nfp_net_r_vector *r_vec;
-       int r;
+       unsigned int r;
 
        nn->lsc_handler = nfp_net_irq_lsc;
        nn->exn_handler = nfp_net_irq_exn;
@@ -762,7 +763,7 @@ static void nfp_net_vecs_init(struct nfp_net *nn)
                        tasklet_disable(&r_vec->tasklet);
                }
 
-               cpumask_set_cpu(r, &r_vec->affinity_mask);
+               cpumask_set_cpu(cpumask_local_spread(r, numa_node), &r_vec->affinity_mask);
        }
 }