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-rw-r--r--arch/x86_64/kernel/entry.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 6f810424df4..aa8d8939abc 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -973,6 +973,8 @@ ENTRY(kernel_thread)
ENDPROC(kernel_thread)
child_rip:
+ pushq $0 # fake return address
+ CFI_STARTPROC
/*
* Here we are in the child and the registers are set as they were
* at kernel_thread() invocation in the parent.
@@ -983,6 +985,7 @@ child_rip:
# exit
xorl %edi, %edi
call do_exit
+ CFI_ENDPROC
ENDPROC(child_rip)
/*