[PATCH] Move functions declarations to header file

[Glauber de Oliveira Costa <gcosta@redhat.com>]

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Some interrupt entry points are currently defined in i8259.c
They probably belong in a header. Right now, their only user is
init_IRQ, justifying their declaration in-file. But when virtualization
comes in, we may be interested in using that functions in late
initializations.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>

-- 
Glauber de Oliveira Costa
Red Hat Inc.
"Free as in Freedom"

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diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 4b32665..948cae6 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -444,24 +444,6 @@ void __init init_ISA_irqs (void)
 	}
 }
 
-void apic_timer_interrupt(void);
-void spurious_interrupt(void);
-void error_interrupt(void);
-void reschedule_interrupt(void);
-void call_function_interrupt(void);
-void irq_move_cleanup_interrupt(void);
-void invalidate_interrupt0(void);
-void invalidate_interrupt1(void);
-void invalidate_interrupt2(void);
-void invalidate_interrupt3(void);
-void invalidate_interrupt4(void);
-void invalidate_interrupt5(void);
-void invalidate_interrupt6(void);
-void invalidate_interrupt7(void);
-void thermal_interrupt(void);
-void threshold_interrupt(void);
-void i8254_timer_resume(void);
-
 static void setup_timer_hardware(void)
 {
 	outb_p(0x34,0x43);		/* binary, mode 2, LSB/MSB, ch 0 */
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 6153ae5..09dfc18 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -95,6 +95,26 @@
 
 
 #ifndef __ASSEMBLY__
+
+/* Interrupt handlers registered during init_IRQ */
+void apic_timer_interrupt(void);
+void spurious_interrupt(void);
+void error_interrupt(void);
+void reschedule_interrupt(void);
+void call_function_interrupt(void);
+void irq_move_cleanup_interrupt(void);
+void invalidate_interrupt0(void);
+void invalidate_interrupt1(void);
+void invalidate_interrupt2(void);
+void invalidate_interrupt3(void);
+void invalidate_interrupt4(void);
+void invalidate_interrupt5(void);
+void invalidate_interrupt6(void);
+void invalidate_interrupt7(void);
+void thermal_interrupt(void);
+void threshold_interrupt(void);
+void i8254_timer_resume(void);
+
 typedef int vector_irq_t[NR_VECTORS];
 DECLARE_PER_CPU(vector_irq_t, vector_irq);
 extern void __setup_vector_irq(int cpu);