1 files changed, 8 insertions, 0 deletions

diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index e4d4e2162c7a..207ea8ba7169 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -625,6 +625,14 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code)
         nmi_enter();
 
         cpu = smp_processor_id();
+
+#ifdef CONFIG_HOTPLUG_CPU
+        if (!cpu_online(cpu)) {
+                nmi_exit();
+                return;
+        }
+#endif
+
         ++nmi_count(cpu);
 
         if (!nmi_callback(regs, cpu))