Re: [PATCH v7 04/12] x86/cpufeatures: Add TDX Guest CPU feature

From: Borislav Petkov
Date: Thu Sep 23 2021 - 06:03:07 EST


On Thu, Sep 16, 2021 at 11:35:42AM -0700, Kuppuswamy Sathyanarayanan wrote:
> @@ -495,6 +496,8 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data)
>
> copy_bootdata(__va(real_mode_data));
>
> + tdx_early_init();
> +

| Changes since v4:
| * Moved tdx_early_init() below copy_bootdata() because of
| cmdline and IDT dependencies.


What "cmdline and IDT dependencies"?

Without a comment explaining why that thing must be there in the boot
order, you're adding more to the already fragile house of cards.

Explain please.

--
Regards/Gruss,
Boris.

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