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-rw-r--r--arch/s390/kernel/process.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 1c59ec161cf..ce203154d8c 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -152,6 +152,10 @@ static void default_idle(void)
local_mcck_disable();
if (test_thread_flag(TIF_MCCK_PENDING)) {
local_mcck_enable();
+ /* disable monitor call class 0 */
+ __ctl_clear_bit(8, 15);
+ atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
+ hcpu);
local_irq_enable();
s390_handle_mcck();
return;