Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---

No code change on binary level.

Index: linux-2.6.git/arch/x86/kernel/apic_32.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic_32.c	2008-07-24 14:16:55.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic_32.c	2008-07-24 14:22:00.000000000 +0400
@@ -205,11 +205,15 @@ EXPORT_SYMBOL_GPL(apic_ops);
  */
 void __cpuinit enable_NMI_through_LVT0(void)
 {
-	unsigned int v = APIC_DM_NMI;
+	unsigned int v;
+
+	/* unmask and set to NMI */
+	v = APIC_DM_NMI;
 
-	/* Level triggered for 82489DX */
+	/* Level triggered for 82489DX (32bit mode) */
 	if (!lapic_is_integrated())
 		v |= APIC_LVT_LEVEL_TRIGGER;
+
 	apic_write(APIC_LVT0, v);
 }
 
Index: linux-2.6.git/arch/x86/kernel/apic_64.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic_64.c	2008-07-24 14:16:55.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic_64.c	2008-07-24 14:22:09.000000000 +0400
@@ -220,6 +220,11 @@ void __cpuinit enable_NMI_through_LVT0(v
 
 	/* unmask and set to NMI */
 	v = APIC_DM_NMI;
+
+	/* Level triggered for 82489DX (32bit mode) */
+	if (!lapic_is_integrated())
+		v |= APIC_LVT_LEVEL_TRIGGER;
+
 	apic_write(APIC_LVT0, v);
 }
 

-- 
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