Re: [PATCH v2 23/29] parisc: Move EXCEPTION_TABLE to RO_DATA segment

Helge Deller
2019-10-12T09:50:09Z

On 11.10.19 02:06, Kees Cook wrote:
> Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> arch/parisc/kernel/vmlinux.lds.S | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)

Acked-by: Helge Deller <deller@gmx.de> # parisc

Helge

>
> diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
> index 12b3d7d5e9e4..53e29d88f99c 100644
> --- a/arch/parisc/kernel/vmlinux.lds.S
> +++ b/arch/parisc/kernel/vmlinux.lds.S
> @@ -19,6 +19,7 @@
> *(.data..vm0.pte)
>
> #define CC_USING_PATCHABLE_FUNCTION_ENTRY
> +#define RO_EXCEPTION_TABLE_ALIGN 8
>
> #include <asm-generic/vmlinux.lds.h>
>
> @@ -129,9 +130,6 @@ SECTIONS
>
> RO_DATA(8)
>
> - /* RO because of BUILDTIME_EXTABLE_SORT */
> - EXCEPTION_TABLE(8)
> -
> /* unwind info */
> .PARISC.unwind : {
> __start___unwind = .;
>