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authorThomas Gleixner <tglx@linutronix.de>2020-12-10 20:25:58 +0100
committerThomas Gleixner <tglx@linutronix.de>2020-12-15 16:19:33 +0100
commit6e745db4ddd072c7f67b37d850bc5aaedcf35400 (patch)
treedd484a7f3e41d6225c96ba27fd15d4dbff362195 /drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
parent197d237077295793a3e4ea0abcbea106f8b4217c (diff)
net/mlx5: Replace irq_to_desc() abuse
No driver has any business with the internals of an interrupt descriptor. Storing a pointer to it just to use yet another helper at the actual usage site to retrieve the affinity mask is creative at best. Just because C does not allow encapsulation does not mean that the kernel has no limits. Retrieve a pointer to the affinity mask itself and use that. It's still using an interface which is usually not for random drivers, but definitely less hideous than the previous hack. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Saeed Mahameed <saeedm@nvidia.com> Link: https://lore.kernel.org/r/20201210194044.769458162@linutronix.de
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index d5868670f8a5..793e313dcb8b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -40,12 +40,8 @@
static inline bool mlx5e_channel_no_affinity_change(struct mlx5e_channel *c)
{
int current_cpu = smp_processor_id();
- const struct cpumask *aff;
- struct irq_data *idata;
- idata = irq_desc_get_irq_data(c->irq_desc);
- aff = irq_data_get_affinity_mask(idata);
- return cpumask_test_cpu(current_cpu, aff);
+ return cpumask_test_cpu(current_cpu, c->aff_mask);
}
static void mlx5e_handle_tx_dim(struct mlx5e_txqsq *sq)