diff options
Diffstat (limited to 'kernel/irq/handle.c')
| -rw-r--r-- | kernel/irq/handle.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 375d68cd5bf0..f51eaee921b6 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -40,6 +40,18 @@ void handle_bad_irq(unsigned int irq, struct irq_desc *desc) ack_bad_irq(irq); } +#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS) +static void __init init_irq_default_affinity(void) +{ + alloc_bootmem_cpumask_var(&irq_default_affinity); + cpumask_setall(irq_default_affinity); +} +#else +static void __init init_irq_default_affinity(void) +{ +} +#endif + /* * Linux has a controller-independent interrupt architecture. * Every controller has a 'controller-template', that is used @@ -133,6 +145,8 @@ int __init early_irq_init(void) int legacy_count; int i; + init_irq_default_affinity(); + /* initialize nr_irqs based on nr_cpu_ids */ arch_probe_nr_irqs(); printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d\n", NR_IRQS, nr_irqs); @@ -229,6 +243,8 @@ int __init early_irq_init(void) int count; int i; + init_irq_default_affinity(); + printk(KERN_INFO "NR_IRQS:%d\n", NR_IRQS); desc = irq_desc; |