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

[Max Filippov]

On Thu, Oct 10, 2019 at 5:16 PM Kees Cook  wrote:
>
> Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.
>
> Signed-off-by: Kees Cook 
> ---
>  arch/xtensa/kernel/vmlinux.lds.S | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Acked-by: Max Filippov 

-- 
Thanks.
-- Max

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

[Kees Cook]

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

Signed-off-by: Kees Cook 
---
 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 
  */
 
+#define RO_EXCEPTION_TABLE_ALIGN   16
+
 #include 
 #include 
 #include 
@@ -130,7 +132,6 @@ SECTIONS
 
   .fixup   : { *(.fixup) }
 
-  EXCEPTION_TABLE(16)
   /* Data section */
 
   _sdata = .;
-- 
2.17.1