From 42ba9654acad33efe34e5125fb373889f46a3f1c Mon Sep 17 00:00:00 2001 From: Yinjun Zhang Date: Wed, 9 Nov 2022 15:04:42 -0500 Subject: [PATCH] nfp: take numa node into account when setting irq affinity MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Set irq affinity to cpus that belong to the same numa node with NIC device first. Signed-off-by: Yinjun Zhang Reviewed-by: Louis Peens Reviewed-by: Niklas Söderlund Signed-off-by: Simon Horman Signed-off-by: David S. Miller --- drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 8c1a870bc0e52..184ffae2ac94a 100644 --- 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); } }