Re: [PATCHv4 00/14] Boot-time switching between 4- and 5-level paging

[Kirill A. Shutemov]

On Tue, Aug 08, 2017 at 03:54:01PM +0300, Kirill A. Shutemov wrote:
> The basic idea is to implement the same logic as pgtable-nop4d.h provides,
> but at runtime.
> 
> Runtime folding is only implemented for CONFIG_X86_5LEVEL=y case. With the
> option disabled, we do compile-time folding as before..
> 
> Initially, I tried to fold pgd instread. I've got to shell, but it
> required a lot of hacks as kernel threats pgd in a special way.
> 
> Please review and consider applying.

Ingo, any feedback on this?

-- 
 Kirill A. Shutemov