Commit f88c4876 authored Sep 14, 2021 by Shay Drory Committed by Saeed Mahameed Sep 30, 2021

net/mlx5: Fix setting number of EQs of SFs



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: c36326d3 ("net/mlx5: Round-Robin EQs over IRQs")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

parent ac8b7d50

drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -633,8 +633,9 @@ 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);
		}