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SubjectRe: [ 105/128] efi: Make efi_enabled a function to query EFI facilities
On Tue, Feb 05, 2013 at 03:46:04AM +0000, Ben Hutchings wrote:
> On Mon, 2013-02-04 at 16:44 +0000, Matt Fleming wrote:
> > On Sun, 2013-02-03 at 16:15 +0100, Ben Hutchings wrote:
> > > As you can see this needed quite a lot of work to backport, and I
> > > haven't been able to test it yet. So I would particularly appreciate
> > > careful review of this.
> >
> > Everything looks fine to me but I haven't actually booted with these
> > changes.
>
> Thanks. I've now tested this on a 64-bit EFI system myself:
>
> x86_64 kernel build:
> - Boots successfully
> - x86_efi_facilities = 0x3f
> - efifb works
> - efivars can be loaded and creates /sys/firmware/efi/vars
>
> i386 kernel build:
> - Boots as far as an initramfs shell, but the machine doesn't have an
> i386 installation to continue with
> - x86_efi_facilities = 0x21
> - efifb works
> - efivars can be loaded but does nothing
>
> All of which I think is correct.

Yeah, if it's running 64-bit EFI, that looks correct.

--
Peter


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