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-rw-r--r--kernel/irq/cpuhotplug.c11
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;