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

From: Borislav Petkov
Date: Fri Jan 15 2021 - 13:24:10 EST


On Thu, Jan 07, 2021 at 11:34:15PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> 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.

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