Re: [PATCH v8 00/23] efi/x86: Avoid bare metal decompressor during EFI boot

[Borislav Petkov]

On Sun, Aug 06, 2023 at 12:05:25PM +0200, Ard Biesheuvel wrote:
> I suspect this should fix the issue:
> 
> --- a/arch/x86/kernel/head_64.S
> +++ b/arch/x86/kernel/head_64.S
> @@ -110,6 +110,7 @@ SYM_CODE_START_NOALIGN(startup_64)
>          * programmed into CR3.
>          */
>         leaq    _text(%rip), %rdi
> +       movq    %r15, %rsi
>         call    __startup_64

Yah, I was suspecting we're not passing boot_params properly somewhere.
Aaand there it is.

So yes, that fixes it.

Lemme know when you've refreshed your branch so that I can continue
testing.

Thx.

-- 
Regards/Gruss,
    Boris.

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