Re: [PATCH 05/16] efi: Add EFI_SECURE_BOOT bit

[David Howells]

Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote:

> > @@ -1164,6 +1164,7 @@ void __init setup_arch(char **cmdline_p)
> >         if (boot_params.secure_boot &&
> >             IS_ENABLED(CONFIG_EFI_SECURE_BOOT_LOCK_DOWN)) {
> >                 lock_kernel_down();
> > +               set_bit(EFI_SECURE_BOOT, &efi.flags);
> 
> Why is this x86 only?

It probably doesn't really need to be, but that's what the patches I ported
do.

> And why is this bit only set if CONFIG_EFI_SECURE_BOOT_LOCK_DOWN is enabled?

Actually, the EFI_SECURE_BOOT bit should probably be set outside of that
portion of the if-condition.

David