linux-kernel - Re: [PATCH v5 00/27] x86_64: Improvements at compressed kernel stage

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Message-ID: <20230405161714.GCZC2fCg0SrV5v9LZg@fat_crate.local>
Date:   Wed, 5 Apr 2023 18:17:14 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Peter Jones <pjones@...hat.com>
Cc:     Andy Lutomirski <luto@...nel.org>,
        Evgeniy Baskov <baskov@...ras.ru>,
        Ard Biesheuvel <ardb@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alexey Khoroshilov <khoroshilov@...ras.ru>,
        Gerd Hoffmann <kraxel@...hat.com>,
        "Limonciello, Mario" <mario.limonciello@....com>,
        joeyli <jlee@...e.com>, lvc-project@...uxtesting.org,
        the arch/x86 maintainers <x86@...nel.org>,
        linux-efi@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH v5 00/27] x86_64: Improvements at compressed kernel stage

On Wed, Mar 15, 2023 at 01:57:33PM -0400, Peter Jones wrote:
> Currently I think the only shipping systems that implement
> NX-requirements are from Microsoft - the Surface product line and
> Windows Dev Kit - and they don't allow you to disable it at all.  Other
> vendors have produced firmware that isn't shipping yet (I *think*) that
> has it as a setting in the firmware menu, and they're looking to move to
> enabling it by default on some product lines.

I hope they realize that they must leave the off switch in the BIOS for
older kernels...

-- 
Regards/Gruss,
    Boris.

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