diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 48215d15762b..e8ef21c51bbe 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -571,6 +571,7 @@ pgm_svcper: mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP TRACE_IRQS_ON + lm %r2,%r6,SP_R2(%r15) # load svc arguments stosm __SF_EMPTY(%r15),0x03 # reenable interrupts b BASED(sysc_do_svc) diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 9aff1d449b6e..f33658f09dd7 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -549,6 +549,7 @@ pgm_svcper: mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP TRACE_IRQS_ON + lmg %r2,%r6,SP_R2(%r15) # load svc arguments stosm __SF_EMPTY(%r15),0x03 # reenable interrupts j sysc_do_svc