netdev - [PATCH net-next 05/10] net/mlx4_core: Set EQ affinity hint to local NUMA CPUs

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Message-Id: <1480261877-19720-6-git-send-email-tariqt@mellanox.com>
Date:   Sun, 27 Nov 2016 17:51:12 +0200
From:   Tariq Toukan <tariqt@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Eran Ben Elisha <eranbe@...lanox.com>,
        Daniel Jurgens <danielj@...lanox.com>,
        Tariq Toukan <tariqt@...lanox.com>
Subject: [PATCH net-next 05/10] net/mlx4_core: Set EQ affinity hint to local NUMA CPUs

From: Daniel Jurgens <danielj@...lanox.com>

Use CPUs on the close NUMA when setting the EQ affinity hints.

Signed-off-by: Daniel Jurgens <danielj@...lanox.com>
Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 41cd05f37b20..4a9497e9778d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2825,7 +2825,8 @@ static int mlx4_init_affinity_hint(struct mlx4_dev *dev, int port, int eqn)
 	if (!zalloc_cpumask_var(&eq->affinity_mask, GFP_KERNEL))
 		return -ENOMEM;
 
-	cpumask_set_cpu(requested_cpu, eq->affinity_mask);
+	cpumask_set_cpu(cpumask_local_spread(requested_cpu, dev->numa_node),
+			eq->affinity_mask);
 
 	return 0;
 }
-- 
1.8.3.1