1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c
index 4319142413d7..e4b8a3833fc5 100644
--- a/arch/x86/kernel/cpu/mcheck/threshold.c
+++ b/arch/x86/kernel/cpu/mcheck/threshold.c
@@ -15,10 +15,11 @@ void (*mce_threshold_vector)(void) = default_threshold_interrupt;
 
 asmlinkage void mce_threshold_interrupt(void)
 {
-        ack_APIC_irq();
         exit_idle();
         irq_enter();
         inc_irq_stat(irq_threshold_count);
         mce_threshold_vector();
         irq_exit();
+        /* Ack only at the end to avoid potential reentry */
+        ack_APIC_irq();
 }