diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b33ebf6ea4f1..9cf575184536 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -320,6 +320,8 @@ acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long e
 
 #ifdef CONFIG_X86_IO_APIC
 
+struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
+
 static int __init
 acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
 {
diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
index 302253cbfc6a..b6f1e4e235e3 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -837,12 +837,7 @@ void __cpuinit mp_register_lapic (int id, u8 enabled)
 #define MP_ISA_BUS		0
 #define MP_MAX_IOAPIC_PIN	127
 
-static struct mp_ioapic_routing {
-	int			apic_id;
-	int			gsi_base;
-	int			gsi_end;
-	u32			pin_programmed[4];
-} mp_ioapic_routing[MAX_IO_APICS];
+extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
 
 static int mp_find_ioapic (int gsi)
 {
diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c
index f1015bf53cf0..813057cb2ddb 100644
--- a/arch/x86/kernel/mpparse_64.c
+++ b/arch/x86/kernel/mpparse_64.c
@@ -630,12 +630,7 @@ void __cpuinit mp_register_lapic(int id, u8 enabled)
 #define MP_ISA_BUS		0
 #define MP_MAX_IOAPIC_PIN	127
 
-static struct mp_ioapic_routing {
-	int apic_id;
-	int gsi_base;
-	int gsi_end;
-	u32 pin_programmed[4];
-} mp_ioapic_routing[MAX_IO_APICS];
+extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
 
 static int mp_find_ioapic(int gsi)
 {
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index 095e8e30a345..0c9e17c73e05 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -110,6 +110,13 @@ extern int nr_ioapic_registers[MAX_IO_APICS];
  * MP-BIOS irq configuration table structures:
  */
 
+struct mp_ioapic_routing {
+	int apic_id;
+	int gsi_base;
+	int gsi_end;
+	u32 pin_programmed[4];
+};
+
 /* I/O APIC entries */
 extern struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];