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-rw-r--r--kernel/irq/manage.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index e667912d0e9c..c65f282cbc9a 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -381,7 +381,8 @@ int irq_select_affinity_usr(unsigned int irq)
/**
* irq_set_vcpu_affinity - Set vcpu affinity for the interrupt
* @irq: interrupt number to set affinity
- * @vcpu_info: vCPU specific data
+ * @vcpu_info: vCPU specific data or pointer to a percpu array of vCPU
+ * specific data for percpu_devid interrupts
*
* This function uses the vCPU specific data to set the vCPU
* affinity for an irq. The vCPU specific data is passed from