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-rw-r--r--arch/arm/kernel/irq.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 6874c7dca75a..b7c3490eaa24 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -98,17 +98,6 @@ unlock:
return 0;
}
-/* Handle bad interrupts */
-static struct irq_desc bad_irq_desc = {
- .handle_irq = handle_bad_irq,
- .lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
-};
-
-#ifdef CONFIG_CPUMASK_OFFSTACK
-/* We are not allocating bad_irq_desc.affinity or .pending_mask */
-#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK."
-#endif
-
/*
* do_IRQ handles all hardware IRQ's. Decoded IRQs should not
* come via this function. Instead, they should provide their
@@ -124,10 +113,13 @@ asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
* Some hardware gives randomly wrong interrupts. Rather
* than crashing, do something sensible.
*/
- if (irq >= NR_IRQS)
- handle_bad_irq(irq, &bad_irq_desc);
- else
+ if (unlikely(irq >= NR_IRQS)) {
+ if (printk_ratelimit())
+ printk(KERN_WARNING "Bad IRQ%u\n", irq);
+ ack_bad_irq(irq);
+ } else {
generic_handle_irq(irq);
+ }
/* AT91 specific workaround */
irq_finish(irq);
@@ -165,10 +157,6 @@ void __init init_IRQ(void)
for (irq = 0; irq < NR_IRQS; irq++)
irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
-#ifdef CONFIG_SMP
- cpumask_setall(bad_irq_desc.affinity);
- bad_irq_desc.cpu = smp_processor_id();
-#endif
init_arch_irq();
}
@@ -176,7 +164,7 @@ void __init init_IRQ(void)
static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
{
- pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->cpu, cpu);
+ pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu);
spin_lock_irq(&desc->lock);
desc->chip->set_affinity(irq, cpumask_of(cpu));
@@ -195,7 +183,7 @@ void migrate_irqs(void)
for (i = 0; i < NR_IRQS; i++) {
struct irq_desc *desc = irq_desc + i;
- if (desc->cpu == cpu) {
+ if (desc->node == cpu) {
unsigned int newcpu = cpumask_any_and(desc->affinity,
cpu_online_mask);
if (newcpu >= nr_cpu_ids) {
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