[PATCH 5.14 064/151] net/mlx5: Fix setting number of EQs of SFs

[Greg Kroah-Hartman]

From: Shay Drory <shayd@xxxxxxxxxx>

[ Upstream commit f88c4876347400a577598e06f1b230a7b19ee0e9 ]

When setting number of completion EQs of the SF, consider number of
online CPUs.
Without this consideration, when number of online cpus are less than 8,
unnecessary 8 completion EQs are allocated.

Fixes: c36326d38d93 ("net/mlx5: Round-Robin EQs over IRQs")
Signed-off-by: Shay Drory <shayd@xxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index 49e6f5003991..d9345c9ebbff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -610,8 +610,9 @@ void mlx5_irq_table_destroy(struct mlx5_core_dev *dev)
 int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table)
 {
 	if (table->sf_comp_pool)
-		return table->sf_comp_pool->xa_num_irqs.max -
-			table->sf_comp_pool->xa_num_irqs.min + 1;
+		return min_t(int, num_online_cpus(),
+			     table->sf_comp_pool->xa_num_irqs.max -
+			     table->sf_comp_pool->xa_num_irqs.min + 1);
 	else
 		return mlx5_irq_table_get_num_comp(table);
 }
-- 
2.33.0