Re: [Xen-devel] [PATCH v5 00/16] x86: multiboot2 protocol support

[Daniel Kiper <daniel.kiper@xxxxxxxxxx>]

On Mon, Aug 22, 2016 at 04:10:04AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, <daniel.kiper@xxxxxxxxxx> wrote:
> > The final goal is xen.efi binary file which could be loaded by EFI
> > loader, multiboot (v1) protocol (only on legacy BIOS platforms) and
> > multiboot2 protocol. This way we will have:
> >   - smaller Xen code base,
> >   - one code base for xen.gz and xen.efi,
> >   - one build method for xen.gz and xen.efi;
> >     xen.efi will be extracted from xen(-syms)
> >     file using objcopy or special custom tool,
> >   - xen.efi build will not so strongly depend
> >     on a given GCC and binutils version.
>
> Just in case you aren't aware: The partial revert done by
> 0b8a172444 ("x86: partially revert use of 2M mappings for
> hypervisor image") now puts us a step further away from that
> goal, compared to when you had started your work.

I am not sure about that. Andrew patches changed xen.gz size significantly.
My patches does not do that in significant way. They (precisely it) just
move load address from 1 MiB to 2 MiB. So, I do not expect major issues
here. However, anyway it should be tested (and it was tested, IIRC, by
Konrad some time ago).

Daniel

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