---

yaml
---
r: 54818
b: refs/heads/master
c: d85a60d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 951744fea0aea9adbd7c8cacb3605f2d69a66f96
+refs/heads/master: d85a60d85ea5b7c597508c1510c88e657773d378

trunk/include/linux/interrupt.h

@@ -44,6 +44,9 @@
  * IRQF_TIMER - Flag to mark this interrupt as timer interrupt
  * IRQF_PERCPU - Interrupt is per cpu
  * IRQF_NOBALANCING - Flag to exclude this interrupt from irq balancing
+ * IRQF_IRQPOLL - Interrupt is used for polling (only the interrupt that is
+ *                registered first in an shared interrupt is considered for
+ *                performance reasons)
  */
 #define IRQF_DISABLED		0x00000020
 #define IRQF_SAMPLE_RANDOM	0x00000040
@@ -52,6 +55,7 @@
 #define IRQF_TIMER		0x00000200
 #define IRQF_PERCPU		0x00000400
 #define IRQF_NOBALANCING	0x00000800
+#define IRQF_IRQPOLL		0x00001000
 
 /*
  * Migration helpers. Scheduled for removal in 9/2007

trunk/kernel/irq/handle.c

@@ -180,6 +180,8 @@ fastcall unsigned int __do_IRQ(unsigned int irq)
 		if (desc->chip->ack)
 			desc->chip->ack(irq);
 		action_ret = handle_IRQ_event(irq, desc->action);
+		if (!noirqdebug)
+			note_interrupt(irq, desc, action_ret);
 		desc->chip->end(irq);
 		return 1;
 	}

trunk/kernel/irq/spurious.c

@@ -146,7 +146,9 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
 
 	if (unlikely(irqfixup)) {
 		/* Don't punish working computers */
-		if ((irqfixup == 2 && irq == 0) || action_ret == IRQ_NONE) {
+		if ((irqfixup == 2 && ((irq == 0) ||
+				(desc->action->flags & IRQF_IRQPOLL))) ||
+				action_ret == IRQ_NONE) {
 			int ok = misrouted_irq(irq);
 			if (action_ret == IRQ_NONE)
 				desc->irqs_unhandled -= ok;