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ARM: CPU hotplug: pass in proper affinity mask on IRQ migration 

Now that the GIC takes care of selecting a target interrupt from the
affinity mask, we don't need all this complexity in the core code
anymore.  Just detect when we need to break affinity.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-07-21 15:07:56 +01:00
parent 5dfc54e087
commit ca15af19ac
1 changed files with 4 additions and 6 deletions
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10
arch/arm/kernel/irq.c
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@ -133,17 +133,15 @@ int __init arch_probe_nr_irqs(void)
static bool migrate_one_irq(struct irq_data *d)
{
unsigned int cpu = cpumask_any_and(d->affinity, cpu_online_mask);
const struct cpumask *affinity = d->affinity;
bool ret = false;
if (cpu >= nr_cpu_ids) {
cpu = cpumask_any(cpu_online_mask);
if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) {
affinity cpu_online_mask;
ret = true;
}
pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", d->irq, d->node, cpu);
d->chip->irq_set_affinity(d, cpumask_of(cpu), true);
d->chip->irq_set_affinity(d, affinity, true);
return ret;
}