Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index

[PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arnd Bergmann <arnd@kernel.org> · 2021-01-07
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Nathan Chancellor <hidden> · 2021-01-07
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Ard Biesheuvel <ardb@kernel.org> · 2021-01-13
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Nathan Chancellor <hidden> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arnd Bergmann <arnd@kernel.org> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-01-15
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Ard Biesheuvel <ardb@kernel.org> · 2021-01-16
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-01-18
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-01-18
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Ard Biesheuvel <ardb@kernel.org> · 2021-01-20
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-01-20
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Nathan Chancellor <nathan@kernel.org> · 2021-02-03
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Ard Biesheuvel <ardb@kernel.org> · 2021-02-03
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-02-04
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Ard Biesheuvel <ardb@kernel.org> · 2021-02-04
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Nathan Chancellor <nathan@kernel.org> · 2021-02-04
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-02-04
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-02-04
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Arvind Sankar <hidden> · 2021-02-05
[PATCH] x86/efi: Remove EFI PGD build time checks · Borislav Petkov <bp@alien8.de> · 2021-02-05
Re: [PATCH] x86/efi: Remove EFI PGD build time checks · Ard Biesheuvel <ardb@kernel.org> · 2021-02-05
Re: [PATCH] x86/efi: Remove EFI PGD build time checks · Nick Desaulniers <hidden> · 2021-02-05
Re: [PATCH] x86/efi: Remove EFI PGD build time checks · Nathan Chancellor <nathan@kernel.org> · 2021-02-05
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Borislav Petkov <bp@alien8.de> · 2021-02-05
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Nick Desaulniers <hidden> · 2021-02-05
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Nathan Chancellor <nathan@kernel.org> · 2021-02-05
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Kirill A. Shutemov <hidden> · 2021-01-20
Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index · Kirill A. Shutemov <hidden> · 2021-01-20

From: Borislav Petkov <bp@alien8.de>
Date: 2021-01-15 18:24:11
Also in: lkml, platform-driver-x86

On Thu, Jan 07, 2021 at 11:34:15PM +0100, Arnd Bergmann wrote:

From: Arnd Bergmann <arnd@arndb.de>

When 5-level page tables are enabled, clang triggers a BUILD_BUG_ON():

I have CONFIG_X86_5LEVEL=y, CONFIG_EFI=y and am using Debian clang
version 10.0.1-8+b1 but my .config builds just fine.

How do you trigger this?

Thx.

-- 
Regards/Gruss,
    Boris.

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