diff options
Diffstat (limited to 'kernel/irq_work.c')
| -rw-r--r-- | kernel/irq_work.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/irq_work.c b/kernel/irq_work.c index 64eddd59ed8..b3c113a1472 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -99,6 +99,17 @@ bool irq_work_queue(struct irq_work *work) } EXPORT_SYMBOL_GPL(irq_work_queue); +bool irq_work_needs_cpu(void) +{ + struct llist_head *this_list; + + this_list = &__get_cpu_var(irq_work_list); + if (llist_empty(this_list)) + return false; + + return true; +} + /* * Run the irq_work entries on this cpu. Requires to be ran from hardirq * context with local IRQs disabled. |