perf/x86: Warn to early_printk() in case irq_work is too slow

[cascardo/linux.git] / kernel / irq_work.c

diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index 55fcce6..a82170e 100644 (file)
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -61,11 +61,11 @@ void __weak arch_irq_work_raise(void)
  *
  * Can be re-enqueued while the callback is still in progress.
  */
-void irq_work_queue(struct irq_work *work)
+bool irq_work_queue(struct irq_work *work)
 {
        /* Only queue if not already pending */
        if (!irq_work_claim(work))
-               return;
+               return false;
 
        /* Queue the entry and raise the IPI if needed. */
        preempt_disable();
@@ -83,6 +83,8 @@ void irq_work_queue(struct irq_work *work)
        }
 
        preempt_enable();
+
+       return true;
 }
 EXPORT_SYMBOL_GPL(irq_work_queue);