Re: [PATCH v7 14/22] x86/decompressor: Merge trampoline cleanup with switching code

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To: Ard Biesheuvel <ardb@xxxxxxxxxx>
Subject: Re: [PATCH v7 14/22] x86/decompressor: Merge trampoline cleanup with switching code
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Tue, 1 Aug 2023 14:40:54 +0200
Cc: linux-efi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Evgeniy Baskov <baskov@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Alexey Khoroshilov <khoroshilov@xxxxxxxxx>, Peter Jones <pjones@xxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, Dave Young <dyoung@xxxxxxxxxx>, Mario Limonciello <mario.limonciello@xxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Joerg Roedel <jroedel@xxxxxxx>
In-reply-to: <CAMj1kXF+=W_oe7MS87rWdJ_z555iz2A8iR42fJ1mwZ+bgCgjmw@mail.gmail.com>
References: <20230728090916.1538550-1-ardb@kernel.org> <20230728090916.1538550-15-ardb@kernel.org> <20230801120827.GFZMj1uzNMDs2gIi1f@fat_crate.local> <CAMj1kXF+=W_oe7MS87rWdJ_z555iz2A8iR42fJ1mwZ+bgCgjmw@mail.gmail.com>

On Tue, Aug 01, 2023 at 02:11:21PM +0200, Ard Biesheuvel wrote:
> Removing it breaks the build for !CONFIG_X86_5LEVEL

How come?

$ grep 5LEVEL .config
# CONFIG_X86_5LEVEL is not set

and it builds fine here.

-- 
Regards/Gruss,
    Boris.

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

Follow-Ups:
- Re: [PATCH v7 14/22] x86/decompressor: Merge trampoline cleanup with switching code
  - From: Ard Biesheuvel

References:
- [PATCH v7 00/22] efi/x86: Avoid bare metal decompressor during EFI boot
  - From: Ard Biesheuvel
- [PATCH v7 14/22] x86/decompressor: Merge trampoline cleanup with switching code
  - From: Ard Biesheuvel
- Re: [PATCH v7 14/22] x86/decompressor: Merge trampoline cleanup with switching code
  - From: Borislav Petkov
- Re: [PATCH v7 14/22] x86/decompressor: Merge trampoline cleanup with switching code
  - From: Ard Biesheuvel

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