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Re: [Xen-devel] [PATCH RFC v1 12/13] xen: allow 64bit HVM guests to use XENMEM_memory_map

To: "Roger Pau Monne" <roger.pau@xxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Tue, 23 Jun 2015 10:43:31 +0100
Cc: Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Delivery-date: Tue, 23 Jun 2015 09:43:38 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 22.06.15 at 18:11, <roger.pau@xxxxxxxxxx> wrote:
> Enable this hypercall for 64bit HVM guests in order to fetch the e820 memory
> map in the absence of an emulated BIOS. The memory map is populated and
> notified to Xen in arch_setup_meminit_hvm.

I see no reason why this should be limited to 64-bit guests.

Jan


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References:
- [Xen-devel] [PATCH RFC v1 00/13] Introduce HMV without dm and new boot ABI
  - From: Roger Pau Monne
- [Xen-devel] [PATCH RFC v1 12/13] xen: allow 64bit HVM guests to use XENMEM_memory_map
  - From: Roger Pau Monne

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