Re: [PATCH] x86/boot/64: Initialize 5-level paging variables earlier

From: Kirill A. Shutemov
Date: Thu Oct 15 2020 - 09:52:15 EST


On Tue, Oct 13, 2020 at 10:33:58AM +0200, Borislav Petkov wrote:
> On Tue, Oct 13, 2020 at 11:20:47AM +0300, Kirill A. Shutemov wrote:
> > With TCG or KVM? I use -machine "type=q35,accel=tcg".
>
> Thx, that triggered it - it was KVM before.
>
> Btw, are 5level boxes shipping already or not yet? Because I've not seen
> one yet. If you have access to the hw, I'd appreciate it if you could
> test Arvind's patch ontop of
>
> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=x86/seves
>
> which does that early pagetable rework.

Yes, the patch helps to fix 5-level paging boot:

Tested-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

--
Kirill A. Shutemov