From: Sanggil Kim <sanggil2....@samsung.com>
We have a solution to protect kernel code section(autually from _text to
_etext) by not MMU. In order to do this, we have to know the addresses
of _text and _etext at runtime.
Signed-off-by: Sanggil Kim <sanggil2....@samsung.com>
---
arch/arm64/kernel/head.S | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 037421c..09b405e 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -1003,3 +1003,6 @@ SYM_FUNC_START_LOCAL(__primary_switch)
adrp x0, __PHYS_OFFSET
br x8
SYM_FUNC_END(__primary_switch)
+
+EXPORT_SYMBOL(_text)
+EXPORT_SYMBOL(_etext)
--
2.7.4
