Re: [PATCHv7 00/19] Boot-time switching between 4- and 5-level paging for 4.15

From: Kirill A. Shutemov
Date: Mon Sep 25 2017 - 09:16:22 EST


On Mon, Sep 18, 2017 at 01:55:34PM +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.
>
> Ingo, if no objections, could you apply the series?

Ingo, any chance you would find time for this?

--
Kirill A. Shutemov