Re: [PATCH 08/23] x86, kaiser: only populate shadow page tables for userspace

[Kees Cook]

On Tue, Oct 31, 2017 at 3:32 PM, Dave Hansen
<dave.hansen@xxxxxxxxxxxxxxx> wrote:
> KAISER has two copies of the page tables: one for the kernel and
> one for when we are running in userspace.  There is also a kernel
> portion of each of the page tables: the part that *maps* the
> kernel.

I wonder if it might make sense to update
arch/x86/mm/debug_pagetables.c to show the shadow table in some way?
Right now, only the "real" page tables are visible there.

-Kees

-- 
Kees Cook
Pixel Security