Re: [PATCH] microblaze: Stop printing the virtual memory layout

Tycho Andersen
2020-03-05T20:50:28Z

On Thu, Mar 05, 2020 at 10:05:03AM -0500, Arvind Sankar wrote:
> For security, don't display the kernel's virtual memory layout.
>
> Kees Cook points out:
> "These have been entirely removed on other architectures, so let's
> just do the same for ia32 and remove it unconditionally."
>
> 071929dbdd86 ("arm64: Stop printing the virtual memory layout")
> 1c31d4e96b8c ("ARM: 8820/1: mm: Stop printing the virtual memory layout")
> 31833332f798 ("m68k/mm: Stop printing the virtual memory layout")
> fd8d0ca25631 ("parisc: Hide virtual kernel memory layout")
> adb1fe9ae2ee ("mm/page_alloc: Remove kernel address exposure in free_reserved_area()")
>
> Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>

Acked-by: Tycho Andersen <tycho@tycho.ws>