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Date:   Wed, 29 Nov 2017 20:19:02 +0100
From:   Borislav Petkov <>
To:     "H. Peter Anvin" <>
Cc:     "Kirill A. Shutemov" <>,
        Thomas Gleixner <>,
        "Kirill A. Shutemov" <>,
        Ingo Molnar <>,,
        Linus Torvalds <>,
        Andy Lutomirski <>,
        Cyrill Gorcunov <>,
        Andi Kleen <>,,
Subject: Re: [PATCHv2 0/4] x86: 5-level related changes into decompression

On Wed, Nov 29, 2017 at 11:01:35AM -0800, H. Peter Anvin wrote:
> We can hang the machine, or we can triple-fault it in the hope of
> triggering a reset, and that way if the bootloader has been configured
> with a backup kernel there is a hope of recovery.

Well, it triple-faults right now and that's not really user-friendly. If
we can't dump a message than we should make X86_5LEVEL depend on BROKEN
for the time being...


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