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-rw-r--r--arch/s390/kernel/smp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 734e644972ab..d15b6c937088 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -40,6 +40,7 @@
#include <asm/lowcore.h>
#include <asm/sclp.h>
#include <asm/vdso.h>
+#include <asm/debug.h>
#include "entry.h"
enum {
@@ -406,6 +407,7 @@ void smp_send_stop(void)
__load_psw_mask(psw_kernel_bits | PSW_MASK_DAT);
trace_hardirqs_off();
+ debug_set_critical();
cpumask_copy(&cpumask, cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), &cpumask);