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-rw-r--r--arch/s390/kernel/entry.S6
-rw-r--r--arch/s390/kernel/entry64.S6
2 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index bc7ff3658c3..f3bceb16532 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -624,9 +624,11 @@ io_work_loop:
# _TIF_MCCK_PENDING is set, call handler
#
io_mcck_pending:
+ TRACE_IRQS_OFF
l %r1,BASED(.Ls390_handle_mcck)
- la %r14,BASED(io_work_loop)
- br %r1 # TIF bit will be cleared by handler
+ basr %r14,%r1 # TIF bit will be cleared by handler
+ TRACE_IRQS_ON
+ b BASED(io_work_loop)
#
# _TIF_NEED_RESCHED is set, call schedule
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 2a7b1304418..9c0d5cc8269 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -611,8 +611,10 @@ io_work_loop:
# _TIF_MCCK_PENDING is set, call handler
#
io_mcck_pending:
- larl %r14,io_work_loop
- jg s390_handle_mcck # TIF bit will be cleared by handler
+ TRACE_IRQS_OFF
+ brasl %r14,s390_handle_mcck # TIF bit will be cleared by handler
+ TRACE_IRQS_ON
+ j io_work_loop
#
# _TIF_NEED_RESCHED is set, call schedule