diff options
| -rw-r--r-- | kernel/irq/cpuhotplug.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c index 41fe1e04d5d9..09b20e127aee 100644 --- a/kernel/irq/cpuhotplug.c +++ b/kernel/irq/cpuhotplug.c @@ -33,10 +33,15 @@ static bool migrate_one_irq(struct irq_desc *desc) } /* - * If this is a per-CPU interrupt, or the affinity does not - * include this CPU, then we have nothing to do. + * No move required, if: + * - Interrupt is per cpu + * - Interrupt is not started + * - Affinity mask does not include this CPU. + * + * Note: Do not check desc->action as this might be a chained + * interrupt. */ - if (irqd_is_per_cpu(d) || + if (irqd_is_per_cpu(d) || !irqd_is_started(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) return false; |