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authorSaeed Mahameed <saeedm@mellanox.com>2018-05-14 15:38:10 -0700
committerDavid S. Miller <davem@davemloft.net>2018-05-16 12:16:45 -0400
commite3ca34880652250f524022ad89e516f8ba9a805b (patch)
tree0cfffa6a2dbdc3bf42eac77ebedaa2eae2d4d16e /include
parentab452c3ce7bacb27ffe2fc0144aecd0c399e1e24 (diff)
downloadlinux-e3ca34880652250f524022ad89e516f8ba9a805b.tar.bz2
net/mlx5: Fix build break when CONFIG_SMP=n
Avoid using the kernel's irq_descriptor and return IRQ vector affinity directly from the driver. This fixes the following build break when CONFIG_SMP=n include/linux/mlx5/driver.h: In function ‘mlx5_get_vector_affinity_hint’: include/linux/mlx5/driver.h:1299:13: error: ‘struct irq_desc’ has no member named ‘affinity_hint’ Fixes: 6082d9c9c94a ("net/mlx5: Fix mlx5_get_vector_affinity function") Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> CC: Randy Dunlap <rdunlap@infradead.org> CC: Guenter Roeck <linux@roeck-us.net> CC: Thomas Gleixner <tglx@linutronix.de> Tested-by: Israel Rukshin <israelr@mellanox.com> Reported-by: kbuild test robot <lkp@intel.com> Reported-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mlx5/driver.h12
1 files changed, 1 insertions, 11 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 2a156c5dfadd..d703774982ca 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1286,17 +1286,7 @@ enum {
static inline const struct cpumask *
mlx5_get_vector_affinity_hint(struct mlx5_core_dev *dev, int vector)
{
- struct irq_desc *desc;
- unsigned int irq;
- int eqn;
- int err;
-
- err = mlx5_vector2eqn(dev, vector, &eqn, &irq);
- if (err)
- return NULL;
-
- desc = irq_to_desc(irq);
- return desc->affinity_hint;
+ return dev->priv.irq_info[vector].mask;
}
#endif /* MLX5_DRIVER_H */