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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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