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SubjectRe: EFI and multiboot2 devlopment work for Xen
Hi,

Quoting Konrad Rzeszutek Wilk, who wrote the following on Mon, 28 Oct 2013:

> On Tue, Oct 22, 2013 at 10:54:44AM +0200, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
>> On 21.10.2013 23:16, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
>>> Mail is big, I think I got your essential points but I didn't read it whole.
>>> On 21.10.2013 14:57, Daniel Kiper wrote:
>>>> Hi,
>>>>
>>>> During work on multiboot2 protocol support for Xen it was discovered
>>>> that memory map passed via relevant tag could not represent wide range
>>>> of memory types available on EFI platforms. Additionally, GRUB2
>>>> implementation calls ExitBootServices() on them just before jumping
>>>> into loaded image. In this situation loaded system could not clearly
>>>> identify reserved memory regions, EFI runtime services regions and others.
>>>>
>>> Will a multiboot2 tag with whole EFI memory map solve your problem?
>> I added such a tag in documentation and wrote a patch for it (attached).
>> Awaiting for someone to test it to commit
>
> Great! I think from Xen perspective we first need to have Xen be able
> to understand multiboot2 - that is something Daniel had been working on.
> I will let Daniel talk more about it.
>
> Seth, would you have any time to test the patch against Solaris to
> make sure it works?

I'd love to, yes. I'm just a bit short on time this week.

Thanks,
--S
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