Date: Mon, 28 Oct 2013 11:42:45 -0700 (PDT)
From: Seth Goldberg <seth.goldberg@oracle.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
cc: "=?ISO-8859-7?Q?Vladimir_'=F6-coder=2Fphcoder'_Serbinenko?=" 
	<phcoder@gmail.com>,
        seth.goldberg@oracle.com,
        The development of GNU GRUB <grub-devel@gnu.org>,
        Daniel Kiper <daniel.kiper@oracle.com>, boris.ostrovsky@oracle.com,
        david.woodhouse@intel.com, ian.campbell@citrix.com, jbeulich@suse.com,
        keir@xen.org, pjones@redhat.com, richard.l.maliszewski@intel.com,
        ross.philipson@citrix.com, stefano.stabellini@eu.citrix.com,
        xen-devel@lists.xen.org, linux-kernel@vger.kernel.org
Subject: Re: EFI and multiboot2 devlopment work for Xen
In-Reply-To: <20131028162603.GA4716@phenom.dumpdata.com>
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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 '=CF=86-coder/phcoder'=
 Serbinenko wrote:
>> On 21.10.2013 23:16, Vladimir '=CF=86-coder/phcoder' Serbinenko wrote:
>>> Mail is big, I think I got your essential points but I didn't read it w=
hole.
>>> 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 oth=
ers.
>>>>
>>> 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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