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-rw-r--r--arch/s390/kernel/switch_cpu.S4
-rw-r--r--arch/s390/kernel/switch_cpu64.S4
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/s390/kernel/switch_cpu.S b/arch/s390/kernel/switch_cpu.S
index 469f11b574fa..20530dd2eab1 100644
--- a/arch/s390/kernel/switch_cpu.S
+++ b/arch/s390/kernel/switch_cpu.S
@@ -46,7 +46,9 @@ smp_restart_cpu:
ltr %r4,%r4 /* New stack ? */
jz 1f
lr %r15,%r4
-1: basr %r14,%r2
+1: lr %r14,%r2 /* r14: Function to call */
+ lr %r2,%r3 /* r2 : Parameter for function*/
+ basr %r14,%r14 /* Call function */
.gprregs_addr:
.long .gprregs
diff --git a/arch/s390/kernel/switch_cpu64.S b/arch/s390/kernel/switch_cpu64.S
index d94aacc898cb..5be3f43898f9 100644
--- a/arch/s390/kernel/switch_cpu64.S
+++ b/arch/s390/kernel/switch_cpu64.S
@@ -42,7 +42,9 @@ smp_restart_cpu:
ltgr %r4,%r4 /* New stack ? */
jz 1f
lgr %r15,%r4
-1: basr %r14,%r2
+1: lgr %r14,%r2 /* r14: Function to call */
+ lgr %r2,%r3 /* r2 : Parameter for function*/
+ basr %r14,%r14 /* Call function */
.section .data,"aw",@progbits
.gprregs: