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

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Message-ID: <20201013083358.GB28215@zn.tnic>
Date:   Tue, 13 Oct 2020 10:33:58 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     Arvind Sankar <nivedita@...m.mit.edu>, x86@...nel.org,
        Joerg Roedel <jroedel@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/boot/64: Initialize 5-level paging variables earlier

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.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette