diff options
| -rw-r--r-- | kernel/irq/manage.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index f9a59f6cabd2..a4360f0f62a5 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1790,9 +1790,10 @@ int setup_percpu_irq(unsigned int irq, struct irqaction *act) * @devname: An ascii name for the claiming device * @dev_id: A percpu cookie passed back to the handler function * - * This call allocates interrupt resources, but doesn't - * automatically enable the interrupt. It has to be done on each - * CPU using enable_percpu_irq(). + * This call allocates interrupt resources and enables the + * interrupt on the local CPU. If the interrupt is supposed to be + * enabled on other CPUs, it has to be done on each CPU using + * enable_percpu_irq(). * * Dev_id must be globally unique. It is a per-cpu variable, and * the handler gets called with the interrupted CPU's instance of |