[PATCH] genirq: add genirq sw IRQ-retrigger

Enable platforms that do not have a hardware-assisted hardirq-resend mechanism
to resend them via a softirq-driven IRQ emulation mechanism.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index b268815..9a39756 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -246,6 +246,9 @@
 			   int action_ret, struct pt_regs *regs);
 extern int can_request_irq(unsigned int irq, unsigned long irqflags);
 
+/* Resending of interrupts :*/
+void check_irq_resend(struct irq_desc *desc, unsigned int irq);
+
 extern void init_irq_proc(void);
 
 #endif /* CONFIG_GENERIC_HARDIRQS */