1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 481ae38f6a44..ad28db7e6bde 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1996,7 +1996,8 @@ static inline void __smp_error_interrupt(struct pt_regs *regs)
         };
 
         /* First tickle the hardware, only then report what went on. -- REW */
-        apic_write(APIC_ESR, 0);
+        if (lapic_get_maxlvt() > 3)     /* Due to the Pentium erratum 3AP. */
+                apic_write(APIC_ESR, 0);
         v = apic_read(APIC_ESR);
         ack_APIC_irq();
         atomic_inc(&irq_err_count);