1 files changed, 6 insertions, 3 deletions

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 7f1f030da7ee..4fa2a8620c26 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -158,11 +158,14 @@ void __cpuinit enable_NMI_through_LVT0(void)
  */
 int lapic_get_maxlvt(void)
 {
-        unsigned int v, maxlvt;
+        unsigned int v;
 
         v = apic_read(APIC_LVR);
-        maxlvt = GET_APIC_MAXLVT(v);
-        return maxlvt;
+        /*
+         * - we always have APIC integrated on 64bit mode
+         * - 82489DXs do not report # of LVT entries
+         */
+        return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
 }
 
 /*