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-rw-r--r--kernel/irq/manage.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index f0de36f13a4..61c679db468 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -451,6 +451,7 @@ static int irq_wait_for_interrupt(struct irqaction *action)
return -1;
}
+#ifdef CONFIG_SMP
/*
* Check whether we need to change the affinity of the interrupt thread.
*/
@@ -478,6 +479,10 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
set_cpus_allowed_ptr(current, mask);
free_cpumask_var(mask);
}
+#else
+static inline void
+irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) { }
+#endif
/*
* Interrupt handler thread