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-rw-r--r--arch/s390/kernel/mcount.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 0cfd5a83a1da..151f001a90ff 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -40,6 +40,7 @@ EXPORT_SYMBOL(_mcount)
ENTRY(ftrace_caller)
.globl ftrace_regs_caller
.set ftrace_regs_caller,ftrace_caller
+ stg %r14,(__SF_GPRS+8*8)(%r15) # save traced function caller
lgr %r1,%r15
#ifndef CC_USING_HOTPATCH
aghi %r0,MCOUNT_RETURN_FIXUP