1 files changed, 2 insertions, 0 deletions

diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c
index 3f5f680726e..97c1eca83cc 100644
--- a/arch/s390/lib/delay.c
+++ b/arch/s390/lib/delay.c
@@ -36,9 +36,11 @@ static void __udelay_disabled(unsigned long usecs)
         cr0 = (cr0_saved & 0xffff00e0) | 0x00000800;
         __ctl_load(cr0 , 0, 0);
         mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_EXT;
+        lockdep_off();
         trace_hardirqs_on();
         __load_psw_mask(mask);
         local_irq_disable();
+        lockdep_on();
         __ctl_load(cr0_saved, 0, 0);
         local_tick_enable(clock_saved);
         set_clock_comparator(S390_lowcore.clock_comparator);