From: David Woodhouse <d...@amazon.co.uk>
Signed-off-by: David Woodhouse <d...@amazon.co.uk>
---
arch/x86/kernel/relocate_kernel_64.S | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/kernel/relocate_kernel_64.S
b/arch/x86/kernel/relocate_kernel_64.S
index 67f6853c7abe..ebbd76c9a3e9 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -14,6 +14,8 @@
#include <asm/nospec-branch.h>
#include <asm/unwind_hints.h>
+#define DEBUG
+
/*
* Must be relocatable PIC code callable as a C function, in particular
* there must be a plain RET and not jump to return thunk.
@@ -191,6 +193,8 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
pushw $0xff
lidt (%rsp)
addq $10, %rsp
+
+ int3
#endif /* DEBUG */
/*
--
2.47.0
