Re: [PATCH v4 3/5] efi: Drop all uses of efi_call_XX wrappers

[Daniel Kiper]

On Mon, Jun 12, 2023 at 07:19:53PM +0200, Christian Hesse wrote:
> Ard Biesheuvel <ardb@kernel.org> on Tue, 2023/05/23 17:31:
> > Now that GCC can generate function calls using the correct calling
> > convention for us, we can stop using the efi_call_XX () wrappers, and
> > just dereference the function pointers directly.
> >
> > This avoids the untyped variadic wrapper routines, which means better
> > type checking for the method calls.
>
> Building an Arch package from current git master makes the system unbootable
> with just a black screen. We did biscect this and found this commit
> (bb4aa6e06ee3877110a1dc0eb0d766ffac978993 in master) to be the first bad one.
>
> As gcc is mentioned in the commit message... We are building with gcc
> 13.1.1-1. Any idea what is going on here?

Could you provide us more details? On which architecture/target do
you run tests? Does GRUB start? If yes which kernel version do you
try to boot? Could you send us a link to the GRUB and kernel packages
and sources? Etc...

Daniel