On Tue, Jul 7, 2015 at 1:20 PM, Yinghai Lu <ying...@kernel.org> wrote:
> remove not needed clear_page for init_level4_page in x86_64_start_kernel(),
> as it is with fill 512,8,0 already in head_64.S

Will all possible entry points have come through head_64.S?

-Kees

>
> Signed-off-by: Yinghai Lu <ying...@kernel.org>
> ---
>  arch/x86/kernel/head64.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
> index 44dc63b..a9f0299 100644
> --- a/arch/x86/kernel/head64.c
> +++ b/arch/x86/kernel/head64.c
> @@ -178,7 +178,6 @@ asmlinkage __visible void __init x86_64_start_kernel(char 
> * real_mode_data)
>          */
>         load_ucode_bsp();
>
> -       clear_page(init_level4_pgt);
>         /* set init_level4_pgt kernel high mapping*/
>         init_level4_pgt[511] = early_level4_pgt[511];
>
> --
> 1.8.4.5
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/



-- 
Kees Cook
Chrome OS Security
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to