[PATCH v2 25/29] xtensa: Move EXCEPTION_TABLE to RO_DATA segment

Kees Cook
2019-10-11T00:06:05Z

Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.

Signed-off-by: Kees Cook <keescook@chromium.org>
---
arch/xtensa/kernel/vmlinux.lds.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index bdbd7c4056c1..0043d5858f14 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -14,6 +14,8 @@
* Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
*/

+#define RO_EXCEPTION_TABLE_ALIGN 16
+
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/thread_info.h>
@@ -130,7 +132,6 @@ SECTIONS

.fixup : { *(.fixup) }

- EXCEPTION_TABLE(16)
/* Data section */

_sdata = .;
--
2.17.1