1 files changed, 6 insertions, 5 deletions

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 5a18b2b9852e..ff1342325efc 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -793,15 +793,14 @@ void __init find_smp_config(void)
                             ACPI-based MP Configuration
    -------------------------------------------------------------------------- */
 
-/*
- * Keep this outside and initialized to 0, for !CONFIG_ACPI builds:
- */
-int es7000_plat;
-
 #ifdef CONFIG_ACPI
 
 #ifdef  CONFIG_X86_IO_APIC
 
+#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH)
+extern int es7000_plat;
+#endif
+
 #define MP_ISA_BUS              0
 
 static struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
@@ -928,11 +927,13 @@ void __init mp_config_acpi_legacy_irqs(void)
         set_bit(MP_ISA_BUS, mp_bus_not_pci);
         Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
 
+#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH)
         /*
          * Older generations of ES7000 have no legacy identity mappings
          */
         if (es7000_plat == 1)
                 return;
+#endif
 
         /*
          * Locate the IOAPIC that manages the ISA IRQs (0-15).