On Thu, Mar 10, 2016 at 09:31:44AM -0800, Kees Cook wrote:
> This is a temporary fix to let lkdtm run again on s390, though it'll
> still fail the ro_after_init tests. Until rodata and ro_after_init
> sections can be split on s390, disable special handling of ro_after_init.
>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> ---
> for -next ...
> ---
> arch/s390/include/asm/cache.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
> index 4d7ccac5fd1d..22da3b34c655 100644
> --- a/arch/s390/include/asm/cache.h
> +++ b/arch/s390/include/asm/cache.h
> @@ -15,4 +15,7 @@
>
> #define __read_mostly __attribute__((__section__(".data..read_mostly")))
>
> +/* Read-only memory is marked before mark_rodata_ro() is called. */
> +#define __ro_after_init __read_mostly
> +
> #endif
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
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