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-rw-r--r--arch/powerpc/kernel/irq.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index a018f5cae899..8ee7b44450eb 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -442,46 +442,6 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
return sum;
}
-#ifdef CONFIG_HOTPLUG_CPU
-void migrate_irqs(void)
-{
- struct irq_desc *desc;
- unsigned int irq;
- static int warned;
- cpumask_var_t mask;
- const struct cpumask *map = cpu_online_mask;
-
- alloc_cpumask_var(&mask, GFP_KERNEL);
-
- for_each_irq_desc(irq, desc) {
- struct irq_data *data;
- struct irq_chip *chip;
-
- data = irq_desc_get_irq_data(desc);
- if (irqd_is_per_cpu(data))
- continue;
-
- chip = irq_data_get_irq_chip(data);
-
- cpumask_and(mask, irq_data_get_affinity_mask(data), map);
- if (cpumask_any(mask) >= nr_cpu_ids) {
- pr_warn("Breaking affinity for irq %i\n", irq);
- cpumask_copy(mask, map);
- }
- if (chip->irq_set_affinity)
- chip->irq_set_affinity(data, mask, true);
- else if (desc->action && !(warned++))
- pr_err("Cannot set affinity for irq %i\n", irq);
- }
-
- free_cpumask_var(mask);
-
- local_irq_enable();
- mdelay(1);
- local_irq_disable();
-}
-#endif
-
static inline void check_stack_overflow(void)
{
#ifdef CONFIG_DEBUG_STACKOVERFLOW