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Diffstat (limited to 'arch/x86/kernel/apic_32.c')
-rw-r--r--arch/x86/kernel/apic_32.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 447dd8c5c0e..01708f128ee 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -172,11 +172,15 @@ u32 safe_apic_wait_icr_idle(void)
*/
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);
}