Re: [PATCH 10/16] x86/mm/pti: Populate valid user pud entries
From: Dave Hansen
Date: Tue Jan 16 2018 - 13:06:55 EST
On 01/16/2018 08:36 AM, Joerg Roedel wrote:
>
> In PAE page-tables at the top-level most bits we usually set
> with _KERNPG_TABLE are reserved, resulting in a #GP when
> they are loaded by the processor.
Can you save me the trip to the SDM and remind me which bits actually
cause trouble here?