generic-ipi: fixlet

create proper stackframe.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 56546e8..361b7a4 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -198,7 +198,7 @@
 	irq_exit();
 }
 
-void smp_call_function_single_interrupt(void)
+void smp_call_function_single_interrupt(struct pt_regs *regs)
 {
 	ack_APIC_irq();
 	irq_enter();