linux-kernel - Re: [PATCH v7 12/22] x86/decompressor: Call trampoline directly from C code

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Message-ID: <20230801115154.GFZMjx2gx6+Pgoe1XT@fat_crate.local>
Date:   Tue, 1 Aug 2023 13:51:54 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Evgeniy Baskov <baskov@...ras.ru>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alexey Khoroshilov <khoroshilov@...ras.ru>,
        Peter Jones <pjones@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Dave Young <dyoung@...hat.com>,
        Mario Limonciello <mario.limonciello@....com>,
        Kees Cook <keescook@...omium.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Joerg Roedel <jroedel@...e.de>
Subject: Re: [PATCH v7 12/22] x86/decompressor: Call trampoline directly from
 C code

On Tue, Aug 01, 2023 at 01:48:52PM +0200, Ard Biesheuvel wrote:
> configure_5level_paging()? At least, that conveys to some extent that
> nothing will happen unless the hardware supports it to begin with.

Yap, and it says what it does exactly.

Thx.

-- 
Regards/Gruss,
    Boris.

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